Ametek Soresen XTR 6-110 Operating Manual
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Ametek Soresen XTR 6-110 Operating Manual

Xtr 850 watt series programmable dc power supply
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XTR 6-110
XTR 20-42
XTR 60-14
XTR 150-5.6
M370185-01 Rev B
XTR 850 Watt Series
Programmable DC

Power Supply

Operating Manual
(firmware v 1.11 and higher)
Models:
XTR 8-100
XTR 33-25
XTR 80-10.5 XTR 100-8.5
XTR 300-2.8 XTR 600-1.4
XTR 12-70
XTR 40-21
www.programmablepower.com

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Summary of Contents for Ametek Soresen XTR 6-110

  • Page 1: Power Supply

    XTR 850 Watt Series Programmable DC Power Supply Operating Manual (firmware v 1.11 and higher) Models: XTR 6-110 XTR 8-100 XTR 12-70 XTR 20-42 XTR 33-25 XTR 40-21 XTR 60-14 XTR 80-10.5 XTR 100-8.5 XTR 150-5.6 XTR 300-2.8 XTR 600-1.4 M370185-01 Rev B www.programmablepower.com...

  • Page 3: Contact Information

    About AMETEK AMETEK Programmable Power, Inc., a Division of AMETEK, Inc., is a global leader in the design and manufacture of precision, programmable power supplies for R&D, test and measurement, process control, power bus simulation and power conditioning applications across diverse industrial segments.
  • Page 4 AMETEK will, at its expense, deliver the repaired or replaced Product or parts to the Buyer. Any warranty of AMETEK will not apply if the Buyer is in default under the Purchase Order Agreement or where the Product or any part...
  • Page 5 About This Manual (firmware v1.11 and higher) Purpose The Operating Manual provides installation and operating information for the XTR 850 Watt Series Programmable DC Power Supply. Scope The Manual provides safety information, features and specifications, installation procedures, functional test procedures, and operating procedures for both local (front panel) operation and remote operation.

  • Page 6: Related Information

    • Rack Mount Kit Options Installation Instructions (Part number M370046-05) provides information on rack mounting a single or dual XTR 850 Watt. More information about AMETEK Programmable as well as its products and services, is available at www.programmablepower.com. Acronyms Acronym...

  • Page 7: Important Safety Instructions

    Important Safety Instructions WARNING: High energy and high voltage Exercise caution when using a power supply. High energy levels can be stored at the output voltage terminals on a power supply in normal operation. In addition, potentially lethal voltages exist in the power circuit and on the output and sense connectors of a power supply with a rated output greater than 40 V.
  • Page 8 Safety Standard Warnings WARNING: Keep these instructions This chapter contains important safety and operating instructions. Read and keep this Operating Manual for future reference. 1. Before installing and using the XTR 850 Watt Series Programmable DC Power Supply, read all instructions and cautionary markings on the XTR and all appropriate sections of this Manual.

  • Page 9: Table Of Contents

    Contents 1 Introduction Features and Options - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1–2 XTR 850 Watt Models (firmware version 1.11 and higher)- - - - - - - - - - - - - - - - - -1–3 Front Panel - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1–4 Front Panel Display and Controls - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1–5...
  • Page 10 Contents Step 7: Connecting Remote Sensing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–13 3 Local Operation Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–2 Configuring Settings from the Front Panel - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–2 Using the 9-Position Mode Control - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–2...
  • Page 11 Contents Defining the Polarity of the External Shutdown Signal - - - - - - - - - - - - - - - - - 3–32 Interlock Function - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–33 Defining the Interlock Mode - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–33 Power On Status Signal - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–34 Hardware Malfunction Alarms - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–34...
  • Page 12 Contents Voltage and Current Readback (Isolated) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4–33 5 Remote Operation Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -5–2 Hardware and Connection Setup- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -5–3 Configuring Remote Control Using RS-232 - - - - - - - - - - - - - - - - - - - - - - - - -5–3 Configuring Remote Control Using RS-485 - - - - - - - - - - - - - - - - - - - - - - - - -5–7...
  • Page 13 Contents Shutdown Sub-Register Commands - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–41 Protection Sub-Register Commands - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–42 QUEStionable Status Register - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–43 VOLTage Sub-Register - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–46 TEMPerature Sub-Register - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–46...

  • Page 14: Non-Isolated Voltage Programming Of Current Calibration - - - - - - - - - - - - - -

    Contents Over Voltage Protection Calibration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -6–9 Non-isolated Analog Programming Calibration- - - - - - - - - - - - - - - - - - - - - - - - - 6–10 Non-isolated Voltage Monitoring Calibration - - - - - - - - - - - - - - - - - - - - - - - 6–10 Non-isolated Current Monitoring Calibration - - - - - - - - - - - - - - - - - - - - - - - 6–11 Non-isolated Voltage Programming of Voltage Calibration - - - - - - - - - - - - - - 6–12...

  • Page 15: Specifications

    Contents Device-Specific Error List - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - B–5 Query Error List - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - B–6 C Specifications Electrical Specifications for XTR 850 Watt - - - - - - - - - - - - - - - - - - - - - - - - - - - C–2...
  • Page 17 Figures Figure 1-1 XTR 850 Watt Front Panel - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–4 Figure 1-2 Front Panel Display and Controls - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–5 Figure 1-3...
  • Page 18 Figures Figure 4-15 Isolated Voltage Monitoring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4–33 Figure 4-16 Isolated Current Monitoring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4–33 Figure 5-1 Remote Control Connectors - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–3 Figure 5-2...
  • Page 19 Tables Table 1-1 XTR 850 Watt Series Voltage and Current Ranges - - - - - - - - - - - - - - - - 1–3 Table 2-1 Basic Setup Procedure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2 Table 2-2 Current Carrying Capacity for Load Wiring - - - - - - - - - - - - - - - - - - - - - 2–6 Table 3-1...
  • Page 20 Tables Table 5-17 QUEStionable TEMPerature Status Register - - - - - - - - - - - - - - - - - - - - 5–46 Table 5-18 Preset Values of User Configurable Registers - - - - - - - - - - - - - - - - - - - 5–54 Table 5-19 Alarms Bit Mask - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–69 Table 6-1...

  • Page 21: Introduction

    Introduction Chapter 1, Introduction, describes the features of the XTR 850 Watt Series Programmable DC Power Supply.

  • Page 22: Features And Options

    Introduction Features and Options The XTR 850 Watt Series Programmable DC Power Supply provides stable, variable output voltage and current for a broad range of development and system requirements. The power supplies have a high power density and numerous industry standard interfaces: •...

  • Page 23: Xtr 850 Watt Models (Firmware Version 1.11 And Higher)

    XTR 850 Watt Models (firmware version 1.11 and higher) XTR 850 Watt Models (firmware version 1.11 and higher) Table 1-1 lists the models in the XTR 850 Watt series covered by this Manual. Table 1-1 XTR 850 Watt Series Voltage and Current Ranges Model Output Voltage Output Current...

  • Page 24: Front Panel

    Introduction Front Panel Figure 1-1 XTR 850 Watt Front Panel Item Description Front panel power switch Front panel display. See Figure 1-2 for details. Air Intake Vents M370185-01...

  • Page 25: Front Panel Display And Controls

    Front Panel Front Panel Display and Controls Figure 1-2 Front Panel Display and Controls Item Description Rotary Adjust/Enter control Constant Voltage (CV) Mode LED (green) Model Identification Label Output Voltage Display Constant Current (CC) Mode LED (green) Output Current Display Alarm Indicator LED (red) OUTPUT ENABLE Main button OUTPUT ENABLE Aux button...

  • Page 26: Rear Panel Connectors

    Introduction Rear Panel Connectors 100 - 240 Vac 47-63 Hz, 11.5 –6A MADE IN CANADA Figure 1-3 Rear Panel: 6 V to 40 V Models 100 - 240 Vac 47-63 Hz, 11.5 –6A MADE IN CANADA Figure 1-4 Rear Panel: 60 V to 150 V Models 100 - 240 Vac 47-63 Hz, 11.5 –6A MADE IN CANADA...
  • Page 27 Rear Panel Connectors Item Description 6 V– 40 V Models: DC Output Terminal Positive 60 V–150 V Models: DC Output Connectors Positive (6.5 mm hole diameter) 300 V–600 V Models: DC Output Connectors Positive (6.5 mm hole diameter) 6 V– 40 V Models: DC Output Terminal Negative 60 V–150 V Models: DC Output Connectors Negative (6.5 mm hole diameter) 300 V–600 V Models: DC Output Connectors Negative (6.5 mm hole diameter) 3 (J2)

  • Page 29: Installation

    Installation Chapter 2, Installation, provides information and procedures for inspecting, installing, and testing the power supply.

  • Page 30: Basic Setup Procedure

    Installation Basic Setup Procedure Table 2-1 provides a summary of the basic setup procedure with references to the relevant sections in this chapter. Refer to this table if you are unfamiliar with the installation requirements for the power supply. Complete each step in the sequence given. Table 2-1 Basic Setup Procedure Step Description...

  • Page 31: Step 1: Inspecting And Cleaning

    Step 1: Inspecting and Cleaning Step 1: Inspecting and Cleaning Initial Inspection When you first receive your unit, perform a physical check: 1. Inspect the unit for any scratches and cracks, broken switches, connectors or displays. 2. Ensure that the packing box contains the 7.5 foot (2.5 m) power cord. 3.

  • Page 32: Step 2: Location And Mounting

    Installation Step 2: Location and Mounting The power supply may be rack-mounted or used in benchtop applications. Rack Mounting The XTR 850 Watt power supply is designed to fill half of a standard 19 inch (483 mm) equipment rack. Units can be combined with the same models in the 850 W series for customer applications.

  • Page 33: Step 3: Connecting Ac Input Power

    Step 3: Connecting AC Input Power Step 3: Connecting AC Input Power WARNING: Shock hazard Disconnect AC power from the unit before removing the cover. Even with the front panel power switch in the Off position, live line voltages are exposed when the cover is removed.

  • Page 34: Step 4: Selecting Load Wires

    Installation Step 4: Selecting Load Wires This section provides recommendations for selecting minimum load wire sizes. Load Wiring To select the wiring for connecting the load to the power supply, consider the following factors: • Insulation rating of the wire. •...

  • Page 35: Figure 2-1 Maximum Load Wire Length For 1 V Line Drop

    Step 4: Selecting Load Wires Maximum Load Wiring Length For Operation With Sense Lines Figure 2-1 Maximum Load Wire Length for 1 V Line Drop Noise and Impedance Effects To minimize noise pickup or radiation, use shielded twisted pair wiring of the shortest possible length for load sense wires.

  • Page 36: Step 5: Performing Functional Tests

    Installation Step 5: Performing Functional Tests The functional test procedures include: • Power-on and front panel functional checks • Voltage mode operation and current mode operation checks. For information on local operation, see “Local Operation” on page 3–1 for adjusting front panel controls and settings. Powering the Power Supply On/Off To power on the power supply: 1.

  • Page 37: Voltage And Current Mode Operation Checks

    Step 5: Performing Functional Tests Voltage and Current Mode Operation Checks To perform the voltage and current mode operation checks: 1. Ensure that the front panel power switch is in the On position and the output is disconnected. 2. If the OUTPUT ENABLE Main button is illuminated, press the button to turn off the output.

  • Page 38: Step 6: Connecting Loads

    Installation Step 6: Connecting Loads This section describes how to connect loads to the power supply for both single and multiple loads. WARNING: Shock hazard There is a shock hazard at the power supply output when operating at an output greater than 40 V.

  • Page 39: Inductive Loads And Batteries

    Step 6: Connecting Loads Inductive Loads and Batteries CAUTION The XTR power supply requires freewheeling and blocking diodes across the output while driving inductive loads or batteries to protect the power supply from damage caused by power being fed back into the supply and from high voltage transients.

  • Page 40: Connecting Single Loads

    Installation Connecting Single Loads Figure 2-3 shows the recommended load connections for a single load which is sensing its voltage locally. Local sense lines shown are the default connections at the rear panel APG J1 connector (see Figure 4-1 on page 4–5).

  • Page 41: Step 7: Connecting Remote Sensing

    Step 7: Connecting Remote Sensing Step 7: Connecting Remote Sensing WARNING: Shock hazard There is a potential shock hazard at the sense connectors when using a power supply at an output greater than 40 V. Select wiring with a minimum insulation rating equivalent to the maximum output voltage of the power supply for use as local sense jumpers or for remote sense wires.
  • Page 42 Installation 3. Connect one end of the shield of the twisted pair wire to the chassis ground point on the power supply. 4. Connect the positive sense line (+SNS) from the positive regulation point as close as possible to the load terminals to pin J1.1. 5.

  • Page 43: Local Operation

    Local Operation Chapter 3, Local Operation, provides the procedures for local (front panel) operation such as: • Configuring settings. • Operating in constant voltage mode and constant current mode. • Using the protection features. • Using multiple power supplies.

  • Page 44: Introduction

    Local Operation Introduction Once you have installed the power supply and connected both the AC input power and the load (covered in “Installation” on page 2–1), the power supply is ready for local operation. To turn the power supply on, see “Powering the Power Supply On/Off”...

  • Page 45: Coarse And Fine Adjustment Modes

    Configuring Settings from the Front Panel Coarse and Fine Adjustment Modes The coarse and fine adjustment modes are used for setting the voltage and current set points, OVP and UVP settings. Coarse When using local operation to set the current and voltage set points, use adjustment the coarse adjustment mode (default) followed by the fine adjustment mode...
  • Page 46 Local Operation Table 3-1 Select and Set from the Front Panel 9 Positions on the Mode Turning the rotary Adjust/Enter Pressing the rotary Adjust/ Control Knob control lets you… Enter control lets you… CAP (Current Analog Select the programming source and Set the value selected and Programming) select the range.

  • Page 47: Navigating The Menu System

    Navigating the Menu System Navigating the Menu System The menu system of the XTR follows a select and set model with the exception of the VOLTS and AMPS modes. See “Setting VOLTS and AMPS Modes”. The general procedure for setting up the features in the select and set model is: 1.
  • Page 48 Local Operation To access the tracking mode for entering voltage and current: 1. Select the VOLTS or AMPS position on the 9-position mode control. If the set point is blinking, the unit is in coarse tracking mode. • When the VOLTS mode is selected, the voltage set point will blink in the output voltage display.

  • Page 49: Normal Display Mode And Inactivity Timeout

    Navigating the Menu System Normal Display Mode and Inactivity Timeout Normal display mode appears on the output voltage and current displays when the configuration changes from the front panel have been completed or when the inactivity timeout occurs (default is 3 seconds). Normal display mode shows the output voltage and current values.

  • Page 50: Figure 3-3 Front Panel Menu System

    Local Operation Figure 3-3 Front Panel Menu System M370185-01...

  • Page 51: Display Messages On The Front Panel

    Display Messages on the Front Panel Display Messages on the Front Panel The front panel displays on the power supply will use text as shown in Table 3-2 to indicate the status or mode. Table 3-2 Front Panel Display Text Display Text Text Description Negative Polarity...
  • Page 52 Local Operation Table 3-2 Front Panel Display Text Display Text Text Description Interlock ENET Interface LE C Current APG Level LE U Voltage APG Level Lock LOCL Local OU7P Output Protection Over Current Protection Over Temperature Protection Over Voltage Protection OvPF Over Voltage Protection fine adjustment OUPC...
  • Page 53 Display Messages on the Front Panel A blinking numeric value is either a voltage or current set point in tracking mode. The display in which the set point appears, output voltage or output current display, indicates the type of set point, voltage or current. M370185-01 3-11...

  • Page 54: Standard Operation

    Local Operation Standard Operation The power supply can be controlled by two methods, either from the front panel or from any of the remote interfaces. Front panel control is referred to as local operation (default setting) while control via any of the remote interfaces is called remote operation.
  • Page 55 Standard Operation supply will remain in. The operating mode is indicated by either the CC mode LED or the CV mode LED, one of which will illuminate on the front panel. Output disabled The mode of operation is not determined until the output is enabled. The CV and CC mode LEDs will not indicate the mode while the output is disabled.

  • Page 56: Figure 3-4 Operating Modes

    Local Operation The reverse operating mode change can also occur if the load resistance is increased to the point that the required load current drops below the I value. At that point the power supply would crossover to CV mode and the load current would be free to vary as the load resistance changed.
  • Page 57 Standard Operation 5. Once the desired value has been set, press the rotary Adjust/Enter control to commit the setting. Important: The control circuits have been designed to allow you to set the output voltage up to 105% over the model-rated maximum value. The power supply will operate within these extended ranges, but full performance to specification is not guaranteed.

  • Page 58: Shipped Configuration (Local Operation)

    Local Operation Shipped Configuration (Local Operation) The power supply is configured for local operation at the factory. See Table 3-3 for a summary of this configuration. For more information on default settings, see Table 3-9 on page 3–40. Table 3-3 Shipped Configuration Local Control Configuration Additional References Use the front panel controls to...

  • Page 59: Enabling The Auxiliary Output

    Enabling the Auxiliary Output Enabling the Auxiliary Output To enable on the auxiliary output: Press the OUTPUT ENABLE Aux button on the front panel. The OUTPUT ENABLE Aux button will illuminate. Important: The auxiliary output will not be enabled if the external AUX_ON_OFF signal line is being used to disable the auxiliary outputs.

  • Page 60: Auxiliary Auto Start Mode

    Local Operation Auxiliary Auto Start Mode The Auxiliary Auto Start mode determines the state of the auxiliary output after a complete power cycle (all front panel LEDS are not illuminated). With Auxiliary Auto Start mode turned to On, the auxiliary output will be activated after the power supply is powered up again.

  • Page 61: Alarms And Errors

    Alarms and Errors Alarms and Errors Several conditions can cause alarms in the XTR. Some conditions are: • From user configurable features. • Controlled in hardware and will trigger regardless of configuration. All alarms, with the exception of the Fan alarm, will result in the output of the power supply being disabled.

  • Page 62: Clearing Alarms

    Local Operation Clearing Alarms Clearing Triggered and Manual Alarms To clear a triggered alarm, use one of the following methods: • Turn the power supply Off and then On. • Press and hold the rotary Adjust/Enter control for 3 seconds. To clear a manual alarm: 1.

  • Page 63: Front Panel Alarm Led

    Alarms and Errors Clearing Automatic Alarms Some alarms will clear automatically when the condition that caused the alarm is no longer present. When an alarm automatically clears, the output voltage and current displays will return to normal, but the ALARM LED will remain illuminated to indicate that an alarm has occurred.

  • Page 64: Alarm Masking

    Local Operation The alarm LED will remain illuminated until the alarm is manually cleared (see “Clearing Triggered and Manual Alarms” on page 3–20) or by turning the main output on if the alarm has automatically been cleared. Alarm Masking It is possible to completely disable some alarms through the use of the alarm mask.

  • Page 65: Alarm Output Latching

    Alarms and Errors Alarm Output Latching When an alarm is triggered, the output will be disabled with the exception of the Fan alarm. When an alarm is cleared, the alarm output latch determines if the output should be re-enabled to the state before the alarm occurred or if the output should remain in the off state.

  • Page 66: Setting Foldback Mode

    Local Operation Setting Foldback Mode Foldback mode is used to disable the output when a transition is made between the operating modes. The power supply will turn off/disable the output and lock in foldback mode after a specified delay if the power supply transitions into CV mode or into CC mode, depending on the foldback mode settings.

  • Page 67: Resetting Activated Foldback Protection

    Setting Foldback Mode 4. Press the rotary Adjust/Enter control to commit the setting once the desired value has been set. 5. The green FLD LED will turn off and the display will return to the normal display mode. The SCPI command (s) for these instructions are: [:]OUTPut[<channel>]:PROTection:FOLDback[:MODE] [:]OUTPut[<channel>]:PROTection:FOLDback:LATCh Important:...

  • Page 68: Using Over Voltage Protection (Ovp)

    Local Operation Using Over Voltage Protection (OVP) The OVP circuit protects the load in the event of an analog programming error, an incorrect voltage control adjustment, or a power supply failure. The OVP circuit monitors the output voltage at the output of the power supply and will disable the output whenever a preset voltage set point is exceeded.

  • Page 69: Defining The Ovp Set Point

    Using Over Voltage Protection (OVP) Defining the OVP Set Point To define the OVP set point: 1. Turn the power supply On. Ensure the voltage is lower than the desired set point. 2. Set the output to the desired voltage. OVP can be set without setting desired output voltage first.

  • Page 70: Using Under Voltage Protection (Uvp)

    Local Operation Using Under Voltage Protection (UVP) Important: UVP will not be active for voltage set points that are less than 1% of model voltage. The UVP prevents voltage settings below a set value. The UVP lets you create a voltage window of operation when used in conjunction with the OVP setting.

  • Page 71: Defining The Uvp Set Point

    Over Current Protection (OCP) Defining the UVP Set Point To define the UVP set point: 1. Turn the power supply On. 2. Set the output to the desired voltage. 3. Turn the 9-position mode control to the PRT position. PRo OUP is displayed. 4.

  • Page 72: Using Over Temperature Protection Lock (Otp)

    Local Operation Using Over Temperature Protection Lock (OTP) The OTP lock protects the power supply in the event of an over temperature alarm. This alarm could be caused by ventilation restriction or overheating due to fan failure. Two modes are available: •...

  • Page 73: Using The External Shutdown Function

    Using the External Shutdown Function Using the External Shutdown Function Use the external shutdown function to enable or disable the output of the power supply via a logic level signal. When the external shutdown is triggered, the power supply will display SD POL on the output voltage and current displays.

  • Page 74: Defining The Polarity Of The External Shutdown Signal

    Local Operation Defining the Polarity of the External Shutdown Signal 1. Turn the 9-position mode control to the PRT position or press the rotary Adjust/Enter control if the control knob is already at the PRT position. PrO OUP is displayed on the output voltage display. 2.

  • Page 75: Interlock Function

    Interlock Function Interlock Function The Interlock function can be used to wire an external shutoff switch that can be used to enable or disable the power supply output. When the switch is closed the power supply will operate normally. If the switch is opened, the power supply will trigger the interlock alarm.

  • Page 76: Programming Current Output Preset

    Local Operation 4. Turn to display U0L 0n or U0L OFF. 5. Press to commit the selected setting. Important: This single front panel operation affects both power on and output enable. However, when using SCPI, there is a separate command for each.

  • Page 77: Power On Status Signal

    Hardware Malfunction Alarms Power On Status Signal Power On Status signal indicates a fault condition in the power supply. Power On Status signal is a TTL output signal at Pin J2.13 with reference to COM_ISOLATED (Pin J2.2 or Pin J2.6). During normal operation, the Power On Status signal will be high.

  • Page 78: Current Configuration Memory Settings

    Local Operation Current Configuration Memory Settings The power supply will save the unit settings at the time of power down. These settings will be loaded when the power is restored to the unit or the power supply is powered up again. Table 3-7 lists the settings that are saved and recalled on a power cycle event.

  • Page 79: User Setting Memory Locations

    User Setting Memory Locations User Setting Memory Locations There are three user setting memory locations available for storing frequently used configurations. These user setting memory locations help to facilitate multiple users of an XTR power supply who have different setups or when multiple loads are used that have different requirements. Table 3-8 lists the values that are stored in each user setting memory location.

  • Page 80: Recalling User Setting Memory Locations

    Local Operation 2. Turn the rotary Adjust/Enter control to select a preset position from 1 to 3. 3. Press the rotary Adjust/Enter control. SAuE done is displayed on the output voltage display. 4. The setting has now been saved to the selected user setting memory location.

  • Page 81: Local Lockout

    Local Lockout Local Lockout Local lockout is a feature that allows the front panel to be locked so that accidental button presses are ignored. This feature is often used to lockout the front panel when you are controlling the power supply from a remote location.

  • Page 82: Resetting The Power Supply

    Local Operation Resetting the Power Supply The reset is used to clear the parameters to the factory default values. Soft Reset The soft reset is used to set the parameters (see Table 3-9) to the default values, but it does not reset the calibration constants To perform a soft reset: 1.
  • Page 83 Resetting the Power Supply Table 3-9 Power Supply Default Settings Parameter Setting Foldback trigger None Foldback delay 0.5 s Current Share Mode Controller Alarm Output Latches 263 (0 × 107, all latches enabled) Alarms Mask 2047 (0 × 7FF, all enabled) Interlock Disabled Voltage Analog Programming...

  • Page 84: Using Multiple Power Supplies

    Local Operation Using Multiple Power Supplies WARNING: Shock hazard There is a shock hazard at the load when using a power supply at an output of greater than 40V or a combined output of greater than 40V. To protect personnel against accidental contact with hazardous voltages created by a series connection, ensure that the load, including connections, has no live parts which are accessible.

  • Page 85: Figure 3-5 Split Supply Operation

    Using Multiple Power Supplies Power Supply Common Load Power Supply Figure 3-5 Split Supply Operation M370185-01 3-43...

  • Page 86: Configuring Multiple Supplies For Series Operation

    Local Operation Configuring Multiple Supplies for Series Operation A maximum of two power supplies of the same rating can be connected in series to increase the output voltage. CAUTION: Equipment damage When two power supplies are connected in series, they should be programmed to the same output voltage to prevent damage to the lower voltage supply at short circuit condition.

  • Page 87: Figure 3-7 Load Connections In Remote Sensing Mode

    Using Multiple Power Supplies Connecting to the Load in Remote Sensing Mode Connect the negative (–) output terminal of one power supply to the positive (+) output terminal of the next power supply. The more positive supply’s positive sense line should connect to the positive terminal of the load (or distribution point).

  • Page 88: Configuring Multiple Supplies For Current Sharing Operation (Apg Method)

    Local Operation Configuring Multiple Supplies for Current Sharing Operation (APG Method) Up to four power supplies can be connected in parallel to increase the output current. One of the units will operate as the master unit and the remaining units will operate as slave units controlled by the master unit. The master unit uses the analog programming lines to set the output voltages and currents of the slave units to match its output.
  • Page 89 Using Multiple Power Supplies 4. Press the rotary Adjust/Enter control to commit the setting. The SCPI command (s) for these instructions are: [[:]SOURce[<channel>]]:COMBine:CSHare[:MODE] Setting up the Slave Units The output voltage and current of the slave units should be programmed to maximum value.
  • Page 90 Setting Foldback Protection Foldback protection is only available on the master units as the slaves operate in constant current mode. They should never crossover into constant voltage mode. If foldback is triggered on the master unit, when its output shuts down, it will program the slave unit’s output to zero volts.

  • Page 91: Connecting To The Load In Local Sensing Mode (Parallel Control Method)

    Using Multiple Power Supplies Connecting to the Load in Local Sensing Mode (Parallel Control Method) Connect the power supplies in parallel to obtain a single output supply with a higher output current set point. Set all of the outputs to the same voltage before connecting the positive (+) and negative (–) terminals in parallel.

  • Page 92: Connecting To The Load In Remote Sensing Mode (Parallel Control Method)

    Local Operation Connecting to the Load in Remote Sensing Mode (Parallel Control Method) Figure 3-9 Load Connections in Remote Sensing Mode (Parallel Control Method) 3-50 M370185-01...
  • Page 93 Using Multiple Power Supplies M370185-01 3-51...
  • Page 94 Local Operation 3-52 M370185-01...

  • Page 95: Analog Programming (Apg) And Isolated Analog Programming (Isol)

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Chapter 4, Analog Programming (APG) and Isolated Analog Programming (ISOL), provides information and procedures for analog and isolated analog programming of the power supply.

  • Page 96: Introduction

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Introduction The rear panel connectors J1 and J3 provide an option to control and monitor the output of the power supply with analog signals. Connector J1 provides a non-isolated analog interface where all signals are referenced to the negative output terminal of the power supply.

  • Page 97: Remote Programming Options

    Introduction Remote Programming Options Analog Monitor Signals There are four monitor lines for analog programming the pin name and the related APG mode, which are listed in Table 4-1. All of these lines are provided to give analog feedback. The output from these monitor lines is a value scaled to the Analog Programming level set for the corresponding analog programming type.

  • Page 98: Table 4-2 Remote Programming Options

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Auxiliary Outputs The auxiliary outputs are an additional isolated source. The auxiliary output has two outputs: +5 V output on J3.9 and a +15 V output on J3.11. The auxiliary output operates independently of the main output. It is enabled or disabled from the front panel by pressing the OUTPUT ENABLE Aux button.

  • Page 99: Analog Programming (Apg) Connector J1

    Introduction Analog Programming (APG) Connector J1 The APG connector is an 18-pin connector. See Figure 4-1. The APG connector provides access to the following functions: • Sense control • Analog programming and monitoring. Jumper Jumper +SNS REF_I -SNS EXT_CC_CV CUR_MON VOL_PR VOL_MON CUR_PR...
  • Page 100 Analog Programming (APG) and Isolated Analog Programming (ISOL) Table 4-3 APG Pins and Functions J1 Reference Function J1.9 VOL_PR Analog Voltage Programming Input J1.10 CUR_PR Analog Current Programming Input J1.11 VOL_RES_PR Voltage Resistive Programming Input J1.12 CUR_RES_PR Current Resistive Programming Input J1.13 Voltage Monitor.

  • Page 101: Figure 4-2 Inserting Screwdriver Into Spring Terminal Block

    Introduction Making Control Connections CAUTION: Equipment damage Before making connections from external circuits to the Analog Programming Connector, turn the front panel power switch to Off and wait until the front panel displays are not illuminated. CAUTION: Equipment damage Program/monitor signal and return are internally connected to the power supply negative output (-S).
  • Page 102 Analog Programming (APG) and Isolated Analog Programming (ISOL) Wiring WARNING: Shock hazard There is a potential shock hazard at the output when using a power supply with a rated output greater than 60 V. Use load wiring with a minimum insulation rating equivalent to the maximum output voltage of the power supply.

  • Page 103: Analog Programming Mode

    Analog Programming Mode Analog Programming Mode For more details about connections for your particular model, see “Rear Panel Connectors” on page 1–6 or “” on page 1–7. CAUTION: Equipment damage The program/monitor signal and return are internally connected to the power supply’s negative output.

  • Page 104: Voltage-Controlled Voltage Apg Setup

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Voltage-Controlled Voltage APG Setup Activating APG Voltage Mode To activate APG voltage mode using an external voltage source: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the mode control is already at the VAP position.
  • Page 105 Analog Programming Mode Query for Analog Voltage Input Level To query for analog voltage input level from non-isolated input: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the mode control is already at the VAP position.

  • Page 106: Voltage-Controlled Current Apg Setup

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Voltage-Controlled Current APG Setup Activating APG Current Mode To activate APG current mode using an external voltage source: 1. Turn the 9-position mode control to the CAP position or press the rotary Adjust/Enter control if the mode control is already at the CAP position.
  • Page 107 Analog Programming Mode Query for Analog Current Input Level To query for analog current input level from non-isolated input: 1. Turn the 9-position mode control to the CAP position or press the rotary Adjust/Enter control if the mode control is already at the CAP position.

  • Page 108: Figure 4-6 Programming Output Voltage Using An External Resistor

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Analog Programming With External Resistor The pin numbers are described in Table 4-3 on page 4–5. J1.9 J1.11 J1.7 Figure 4-6 Programming Output Voltage using an External Resistor Figure 4-7 Programming Output Current using an External Resistor 4-14 M370185-01...

  • Page 109: Resistive-Controlled Voltage Apg Setup

    Analog Programming Mode Resistive-Controlled Voltage APG Setup To activate APG voltage mode using an external resistor: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the mode control is already at the VAP position. UAPr is displayed on the output voltage display.
  • Page 110 Analog Programming (APG) and Isolated Analog Programming (ISOL) Query for Analog Voltage Input Level To query for analog voltage input level from non-isolated input: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the mode control is already at the VAP position.

  • Page 111: Resistive-Controlled Current Apg Setup

    Analog Programming Mode Resistive-Controlled Current APG Setup To activate APG current mode using an external resistor source: 1. Turn the 9-position mode control to the CAP position to press the rotary Adjust/Enter control if the control knob is already at CAP position.
  • Page 112 Analog Programming (APG) and Isolated Analog Programming (ISOL) Query for Analog Current Input Level To query for analog current input level from non-isolated input: 1. Turn the 9-position mode control to the CAP position or press the rotary Adjust/Enter control if the mode control is already at the CAP position.

  • Page 113: Voltage And Current Readback

    Analog Programming Mode Voltage and Current Readback The pin numbers are described in Table 4-3 on page 4–5. Figure 4-8 Voltage Readback Using APG Connector J1 Figure 4-9 Current Readback Using APG Connector J1 M370185-01 4-19...

  • Page 114: Isolated Analog Programming Mode (Isol)

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Isolated Analog Programming Mode (ISOL) See “Rear Panel Connectors” on page 1–6 or “” on page 1–7 for more details about connections. AUX Output and Isolated Analog Programming (ISOL) Connector The AUX Output and Isolated Analog Programming (ISOL) Connector is a 15-pin female DSUB connector.

  • Page 115: Table 4-4 Aux Output And Isol Connector Pins And Functions J3

    Isolated Analog Programming Mode (ISOL) Table 4-4 AUX Output and ISOL Connector Pins and Functions J3 Reference Function J3.1 AUX_ON_OFF Auxiliary enable/disable J3.2 COM_ISOLATED Isolated Common (Isolated from Main Output and Communication. Return wire for +5 V, +15 V Auxiliary Voltage. J3.3 IS_VOL_PR_VOL Isolated Analog Voltage Programming Input...
  • Page 116 Analog Programming (APG) and Isolated Analog Programming (ISOL) CAUTION: Equipment damage Do not drive or apply a voltage to pins J3.14 (Inter_Lock 1) or to pins J3.15 (Inter_Lock 2). 4-22 M370185-01...

  • Page 117: Figure 4-11 Programming Output Voltage Using An Isolated External Voltage Source

    Isolated Analog Programming Mode (ISOL) Making ISOL Control Connections CAUTION: Equipment damage Before making connections from external circuits to the Isolated Analog Programming Connector, turn the front panel power switch to off and wait until the front panel displays have gone out. For most connectors and jumpers, use any suitable wire such as 22 AWG stranded wire.

  • Page 118: Voltage-Controlled Voltage Isol Setup

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Voltage-Controlled Voltage ISOL Setup Activating ISOL Programming Voltage Mode To activate ISOL programming voltage mode with an external voltage source: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the mode control is already at the VAP position.
  • Page 119 Isolated Analog Programming Mode (ISOL) Query for ISOL Voltage Input Level To query for ISOL voltage input level from non-isolated input: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the control knob is already at the VAP position.

  • Page 120: Voltage-Controlled Current Isol Setup

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Voltage-Controlled Current ISOL Setup Activating ISOL Programming Current Mode 1. Turn the 9-position mode control to the CAP position or press the rotary adjust/Enter control if the control knob is already at the CAP position.
  • Page 121 Isolated Analog Programming Mode (ISOL) Query for ISOL Current Input Level To query for ISOL current input level from non-isolated input: 1. Turn the 9-position mode control to the CAP position or press the rotary Adjust/Enter control if the control knob is already at the CAP position.

  • Page 122: Figure 4-13 Programming Output Voltage Using An Isolated External Resistor

    Analog Programming (APG) and Isolated Analog Programming (ISOL) Analog Programming With External Resistor The pin numbers are described in Table 4-4 on page 4–21. Figure 4-13 Programming Output Voltage using an Isolated External Resistor Figure 4-14 Programming Output Current using an Isolated External Resistor 4-28 M370185-01...

  • Page 123: Resistive-Controlled Voltage Isol Setup

    Isolated Analog Programming Mode (ISOL) Resistive-Controlled Voltage ISOL Setup Activating ISOL Programming Voltage Mode To activate ISOL programming voltage mode using an external resistor: 1. Turn the 9-position mode control to the VAP position or press the rotary adjust/Enter control if the control knob is already at the VAP position.
  • Page 124 Query for ISOL Voltage Input Level To query for ISOL voltage input level from non-isolated input: 1. Turn the 9-position mode control to the VAP position or press the rotary Adjust/Enter control if the control knob is already at the VAP position.

  • Page 125: Resistive-Controlled Current Isol Setup

    Isolated Analog Programming Mode (ISOL) Resistive-Controlled Current ISOL Setup Activating ISOL Resistive-Controlled Current Setup 1. Turn the 9-position mode control to the CAP position or press the rotary Adjust/Enter control if the control knob is already at the CAP position. CAPr is displayed on the output voltage display.
  • Page 126 Analog Programming (APG) and Isolated Analog Programming (ISOL) Query for ISOL Current Input Level To query for ISOL current input level from non-isolated input: 1. Turn the 9-position mode control to the CAP position or press the rotary Adjust/Enter control if the control knob is already at the CAP position.

  • Page 127: Voltage And Current Readback (Isolated)

    Voltage and Current Readback (Isolated) Voltage and Current Readback (Isolated) The pin numbers are described in Table 4-4 on page 4–21. Figure 4-15 Isolated Voltage Monitoring Figure 4-16 Isolated Current Monitoring Query Remote Control Source State The SCPI command for these instructions are: Quick Tip Remote operation [:]SYSTem[<channel>]:REMote:SOURce[:VOLTage]?
  • Page 128 Analog Programming (APG) and Isolated Analog Programming (ISOL) 4-34 M370185-01...

  • Page 129: Remote Operation

    Remote Operation Chapter 5, Remote Operation, describes the remote operation of the XTR power supply via the communication ports.

  • Page 130: Introduction

    Remote Operation Introduction In addition to the front panel interface, the XTR can be remotely controlled through the various remote interfaces. The XTR implements the SCPI standard as its command line interface for remotely controlling the power supply. Additionally, a small subset of legacy commands has been provided for ease of use and backwards compatibility.

  • Page 131: Hardware And Connection Setup

    Hardware and Connection Setup Hardware and Connection Setup This section provides information on setting up the hardware and is organized into setup for each hardware type. Once the setup has been successfully completed, data can be sent to and responses received from the power supply.

  • Page 132: Table 5-2 Db-9 Pinouts

    Remote Operation Table 5-1 Remote Control Connector Pins and Functions J4 and J6 Reference Direction Function J6.10 – – J6.11 RXD+ Input RS-485 receiving J6.12 RXD– Input RS-485 receiving J6.13 TXD+ Output RS-485 transmitting J6.14 TXD– Output RS-485 transmitting J6.15 –...

  • Page 133: Figure 5-2 Rs-232 Communication Cable With Db-9 Pinout

    Hardware and Connection Setup DB-9 Pinout DB-9 connector on PC RJ-45 plug Figure 5-2 RS-232 Communication Cable with DB-9 Pinout RS-232 Communication Cable with RJ-45 to DB-25 Communication control cable with DB-25 pinout (male) on the PC side and RJ-45 shielded connector on the power supply. The cable length should be 9.84 feet (3 m) or longer.

  • Page 134: Figure 5-4 Rs-232 Communication Cable With Db-25 Pinout

    Remote Operation DB-25 connector on PC RJ-45 plug Figure 5-4 RS-232 Communication Cable with DB-25 Pinout Completing the Setup To complete the setup: ◆ Configure the XTR to use the 232 remote interface and set up the terminal that will be used on the connected PC. See the sections entitled“Selecting the Appropriate Communication Port”...

  • Page 135: Configuring Remote Control Using

    Hardware and Connection Setup Configuring Remote Control Using RS-485 RS-485 Communication Cable with RJ-45 to DB-9 Communication control cable with DB-9 pinout (female) on the PC side (see Figure 5-2) and RJ-45 shielded connector on the power supply. The cable length should be 9.84 feet (3 m) or longer. Table 5-5 DB-9 Pinouts Name Description...

  • Page 136: Figure 5-6 Rs-485 Communication Cable From Master To Slave Unit

    Remote Operation RS-485 Communication Cable with Two RJ-45s Use the top connector of the two 8-pin RJ-45 jacks, as shown in Figure 5-1, to connect to the RS-485 remote interface. Communication cable with two RJ-45 shielded connectors (see Figure 5-3) connecting the master unit to the slave unit.

  • Page 137: Configuring Remote Control Using The Usb Connector

    Hardware and Connection Setup Configuring Remote Control using the USB Connector The power supply can be controlled from a remote terminal using a USB interface. The standard USB connector is located on the rear panel of the XTR 850 Watt, as shown in Figure 1-3. Use a standard USB shielded cable up to 9.84 feet (3 m) in length.

  • Page 138: Figure 5-7 Found New Hardware Wizard

    Remote Operation Figure 5-7 Found New Hardware Wizard 7. Click Next. 8. On the Install Hardware Device Driver screen, select “Search for a suitable driver for my device (recommended)” and click Next. See Figure 5-8. Figure 5-8 Install Hardware Device Drivers 5-10 M370185-01...

  • Page 139: Figure 5-9 Completing The New Hardware Wizard

    Hardware and Connection Setup 9. In the Locate Driver Files dialog box, in the field Optional Search Locations, select Specify A Location and click Next. 10. On the next screen, enter the file path “C:\FTDI” and click OK. 11. On the next screen, select “Driver Files Search Results” and click Next.

  • Page 140: Figure 5-10 Device Manager

    Remote Operation To verify that the device has been installed: 1. In Control Panel, go to System, click the Hardware tab and click on Device Manager. 2. On the View menu, select Devices by Type. 3. To change the virtual COM port properties, select the USB Serial Port and then Click Properties.

  • Page 141: Figure 5-11 Communications Port (Com1) Properties

    Hardware and Connection Setup Figure 5-11 Communications Port (COM1) Properties 5. In the COM port list, scroll to the required COM port. Figure 5-12 Completing the new hardware wizard 6. Click OK. Ensure that you do not select a COM port which is already in use. This selection is particularly useful for programs, such as HyperTerminal, which only work with COM1 through to COM4.
  • Page 142 Remote Operation Complete the Setup To complete the setup: ◆ Configure the XTR to use the USB remote interface and set up the terminal that will be used on the connected PC. See “Selecting the Appropriate Communication Port” on page 5–20 and “Terminal Configuration”...

  • Page 143: Ethernet (Enet) Or Gpib Connector (Optional)

    Hardware and Connection Setup Ethernet (ENET) or GPIB Connector (Optional) The power supply can be programmed from a remote terminal using a General Purpose Interface Bus (GPIB interface) or Ethernet (ENET). If you have a GPIB or ENET card, see the XTR 850 Watt GPIB and Ethernet Interface Option Operating Manual (Part number M370046-06).
  • Page 144 Remote Operation Multiple Power Supply Setup Master Setup: ◆ Configure the master XTR by selecting the communication interface you wish to use to communication with the Master and follow the setup instruction in this chapter. Important: If either RS-232 or RS-485 are used for communication with the master, the data rate must be configured for 9600 bps to properly communicate with the slave units.

  • Page 145: Terminal Configuration

    Terminal Configuration Terminal Configuration The terminal program allows serial communication with the power supply. To use a terminal program, set it up using the parameters from the following sections. If you wish to use HyperTerminal, see “HyperTerminal” on page 5–17 for instructions setting it up. Data Format Serial data format is 8 bit, one stop bit.

  • Page 146: Figure 5-14 Usb Settings

    Remote Operation This is the COM port that you have your serial cable hooked up to or in the case of USB the one that was configured to be used in the FDTI software. 5. Click OK when done. 6. Setup the data format to be used. See “Data Format” on page 5–17 for details.

  • Page 147: Figure 5-15 Ascii Setup

    Terminal Configuration Figure 5-15 ASCII Setup 11. Check the following boxes: • Send line ends with line feeds. • Echo typed characters locally. • Append line feeds to incoming line ends. • Wrap lines that exceed terminal width. 12. Change the Line delay to 30 milliseconds. 13.

  • Page 148: Selecting The Appropriate Communication Port

    Remote Operation Selecting the Appropriate Communication Port Five ports are available for remote digital programming and readback: • RS-232 • RS-485 • • GPIB (optional) • ENET (optional) To select a communication port: 1. Turn the 9-position mode control to PGM. rE is displayed in the output voltage display.

  • Page 149: Multichannel Address Setting

    Terminal Configuration Multichannel Address Setting The power supply multichannel address can be set to any address between 1 to 30. All units that are connected together via the RS-232 or RS-485 connector must have a unique multichannel address. To set the address: 1.

  • Page 150: Remote Interface Addressing

    Remote Operation Remote Interface Addressing All commands must be issued with a multichannel address or the device must be selected using the: *adr or :SYST[<channel>]:COMM[:MCH]:ADDR commands. Once a device is selected all commands sent without a multichannel address will be handled by the selected device. The use of multichannel addresses supersedes the selected device as the destination for a message.

  • Page 151: Multichannel Commands Explained

    Terminal Configuration Multichannel Commands Explained The use of multichannel addressing allows you to send messages to one device, more than one device or to all devices. Any of the remote interface types can be used to send a multichannel command through the device that is physically connected to the PC to all the devices, provided that all other devices are connected to via the RS-485 bus.
  • Page 152 Remote Operation Multichannel commands are particularly useful for configuring groups of devices that require identical configurations. The SCPI Commands for these instructions are: [:]<root command> <ALL|addr1>[,[ ]<addr2>][,[ ]<addr3>][,...]:<command> <parameter> For example: sour 1, 2, 3, 7:volt 4.5 syst4,5,6:oper:enab 255 syst ALL:clear output0:stat on 5-24 M370185-01...

  • Page 153: Status Reporting In Scpi

    Terminal Configuration Status Reporting in SCPI The status reporting implemented in the XTR is primarily dictated by the SCPI standard. This section provides a high level review of the standard status reporting required by SCPI and then covers the XTR specific reporting that is implemented within the SCPI status reporting framework.

  • Page 154: Figure 5-16 Scpi Status Reporting Model

    Remote Operation QUEStionable Status VOLTage CURRent Error/Event Queue TIME POWer TEMPerature FREQuency PHASe MODulation CALIbration Available to designer Available to designer Available to designer Available to designer INSTrument Summary Command Warning Not Used* OPERation Status CALIbrating SETTing RANGing SWEeping MEASuring Waiting for TRIGger Summary Waiting for ARM Summary CORRecting...

  • Page 155: Status Registers Model From Ieee 488.2

    Status Registers Model from IEEE 488.2 Status Registers Model from IEEE 488.2 The IEEE 488.2 registers shown in the bottom rectangle of Figure 5-16 follow the IEEE 488.2 model for status registers. The IEEE 488.2 register only has enable registers for masking the summary bits. Figure 5-17 shows the details on the relationship between the mask/enable registers and the summary bits.

  • Page 156: Status Byte

    Remote Operation Status Byte The Status byte register contains the STB and RQS (MSS) messages as defined in 488.1. You can read the status byte register using a 488.1 serial poll or the 488.2 *STB? common command. The *STB? query causes the device to send the contents of the Status Byte Register and the Master Summary Status (MSS) summary message.

  • Page 157: Message Available (Mav)

    Status Byte Message Available (MAV) This bit is TRUE whenever the power supply is ready to accept a request by the Digital Programming Interface to output data bytes. This message is FALSE when the output queue is empty. Standard Event Status Summary (ESB) This bit is TRUE when a bit is set in the Standard Event Status Register.

  • Page 158: Operation Status Register Summary (Osr)

    Remote Operation Operation Status Register Summary (OSR) This bit is TRUE when a bit in the Operation Event Status Register is set and its corresponding bit in the Operation Status Enable Register is set. Service Request Enable Register The Service Request Enable Register allows you to select the reasons for the power supply to issue a service request.

  • Page 159: Standard Event Status Register (Sesr)

    Status Byte Standard Event Status Register (SESR) The standard event status register sets bits for specific events during power supply operation. All bits in the standard event status registers are set through the error event queue. The register is defined by IEEE 488.2 register and is controlled using 488.2 common commands: *ESE, *ESE?, and *ESR? as well as SCPI aliases for multichannel use.

  • Page 160: Figure 5-18 Summary Of Standard Event Status Register

    Remote Operation Figure 5-18 summarizes the Standard Event Status Register. Status Byte SESR Standard Event Register Summary Summary Status Register (SESR) Not Used Not Used Operation Complete Error/Event Queue Status Flag QUEStionable Status Summary Bit Not Used Not Used Query Error Device Dependent Error Execution Error OPERation Status Summary Bit...
  • Page 161 Status Byte Table 5-10 Standard Event Status Register Bit Weight Bit Name Description Command Error (CME) Set if an IEEE488.2 syntax error has been detected by the parser, an unrecognized header was received, or a group Execute Trigger was entered into the input buffer inside an IEEE 488.2 program message.

  • Page 162: Standard Scpi Register Structure

    Remote Operation Standard SCPI Register Structure All registers except the SERS and Status registers will have the following structure which control how they report status information. In all subsequent figures that have SCPI registers, this structure will be condensed down into a single block to simplify the figures. The simplified block will show a 16-bit register and the summary bit.

  • Page 163: Operation Status Register

    OPERation Status Register OPERation Status Register The operation status register is a standard SCPI, 16-bit register which contains information about conditions which are part of the power supply's normal operation. The Operation Status data structure has the operation status register and two sub-registers to represent shutdown and protection shutdown.

  • Page 164: Table 5-11 Operation Status Register

    Remote Operation Table 5-11 OPERation Status Register Bit Weight Bit Name Description CALibrating Indicates that the supply is in CALibration Mode. SETTling Not implemented RANGing Not implemented SWEeping Not implemented MEASuring Not implemented Waiting for Arm Not implemented Waiting for Trigger Not implemented CORRecting Not implemented...

  • Page 165: Table 5-12 Operation Shutdown Status Register

    OPERation Status Register Table 5-12 OPERation SHUTdown Status Register Bit Weight Bit Name Description PROTection Reflects the summary of the PROTection sub- register. INTerlock The power supply is shut down by INTerlock signal. Not Used Not Used External Shutdown The power supply is shut down by External Shutdown signal.

  • Page 166: Current Share Sub-Register

    Remote Operation Current SHare Sub-Register This register shows the state of the current share configuration, which can either be set through the front panel Current Share Config menu, or through the SCPI command. Important: If current sharing is not being used, the unit must be configured as a controller.

  • Page 167: Operation Status Register Commands

    OPERation Status Register Operation Status Register Commands The response format for all register queries will be in decimal notation. Query Operation Status Register Event SCPI command: [:]STATus[<channel>]:OPERation[:EVENt]? Query Operation Status Register Condition SCPI command: [:]STATus[<channel>]:OPERation:CONDition? Enable Operation Status Register SCPI command: [:]STATus[<channel>]:OPERation:ENABle <status-enable>...

  • Page 168: Current Sharing Sub-Register Commands

    Remote Operation Current Sharing Sub-Register Commands Query Current Share Event SCPI command: [:]STATus[<channel>]:OPERation:CSHare[:EVENt]? Query Current Share Condition SCPI command: [:]STATus[<channel>]:OPERation:CSHare:CONDition? Enable Current Share Sub-Register SCPI command: [:]STATus[<channel>]:OPERation: CSHare:ENABle <statusenable> Query format: [:]STATus[<channel>]:OPERation:CSHare:ENABle? Set Current Share Positive Transition Filter SCPI command: [:]STATus[<channel>]:OPERation:CSHare:PTRansition <status-enable>...

  • Page 169: Shutdown Sub-Register Commands

    OPERation Status Register Shutdown Sub-Register Commands Query Shutdown Event SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown[:EVENt]? Query Shutdown Condition SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown:CONDition? Enable Shutdown Sub-Register SCPI command: [:]STATus[<channel>]:OPERation: SHUTdown:ENABle <status- enable> Query format: [:]STATus[<channel>]:OPERation:SHUTdown:ENABle? Set Shutdown Positive Transition Filter SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown:PTRansition <status-enable> Query format: [:]STATus[<channel>]:OPERation:SHUTdown:PTRansition? Set Shutdown Negative Transition Filter SCPI command:...

  • Page 170: Protection Sub-Register Commands

    Remote Operation Protection Sub-Register Commands Query Protection Event SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown:PROTection[:EVENt]? Query Protection Condition SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown:PROTection:CONDition? Enable Protection Sub-Register SCPI command: [:]STATus[<channel>]:OPERation: SHUTdown:PROTection:ENABle <status-enable> Query format: [:]STATus[<channel>]:OPERation:SHUTdown:PROTection:ENABle? Set Protection Positive Transition Filter SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown:PROTection:PTRansition <stats-enable> Query format: [:]STATus[<channel>]:OPERation:SHUTdown:PROTection:PTRansition? Set Protection Negative Transition Filter SCPI command: [:]STATus[<channel>]:OPERation:SHUTdown:PROTection:NTRansition...

  • Page 171: Questionable Status Register

    QUEStionable Status Register QUEStionable Status Register The Questionable Status register is a standard SCPI, 16-bit register that stores information about questionable events or status during power supply operation. That is, bits in these registers may indicate that the output of the supply is of undesirable or questionable quality. The Questionable Status data structure consists of a questionable status register and two sub-registers representing the status of the voltage outputs and temperature.

  • Page 172: Figure 5-21 Scpi Questionable Registers Fanout

    Remote Operation STATus:QUEStionable:VOLTage Over Voltage Protection (OVP) Under Voltage Protection (UVP) Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used STATus:QUEStionable Not Used Not Used Not Used VOLTage Not Used Not Used Never Used Not Used Not Used...
  • Page 173 QUEStionable Status Register Table 5-15 QUEStionable Status Register Bit Weight Bit Name Description VOLTage Summary of Voltage Register CURRent Not Implemented TIME Not Implemented POWer Not Implemented TEMPerature Summary of Temperature Register FREQuency Not Implemented PHASe Not Implemented MODulation Not Implemented CALibration Not Implemented Not Used...

  • Page 174: Voltage Sub-Register

    Remote Operation VOLTage Sub-Register This shows whether the present voltage level is over or under the specified trip limit. Table 5-16 QUEStionable VOLTage Status Register Bit Weight Bit Name Description Over Voltage Protection Under Voltage Protection TEMPerature Sub-Register This shows whether the temperature of critical components is near or over the maximum operating temperature.

  • Page 175: Questionable Status Register Commands

    QUEStionable Status Register Questionable Status Register Commands Query Questionable Status Register Event SCPI command: [:]STATus[<channel>]:QUEStionable[:EVENt]? Query Questionable Status Register Condition SCPI command: [:]STATus[<channel>]:QUEStionable:CONDition? Enable Questionable Status Register SCPI command: [:]STATus[<channel>]:QUEStionable:ENABle <status-enable> Query Format: [:]STATus[<channel>]:QUEStionable:ENABle? Set Questionable Status Positive Transition Filter SCPI command: [:]STATus[<channel>]:QUEStionable:PTRansition <status- enable>...

  • Page 176: Voltage Status Register Commands

    Remote Operation Voltage Status Register Commands Query Voltage Status Register Event SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage[:EVENt]? Query Voltage Status Register Condition SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:CONDition? Enable Voltage Status Register SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:ENABle <status-enable> Query Format: [:]STATus[<channel>]:QUEStionable:VOLTage:ENABle? Set Voltage Status Positive Transition Filter SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:PTRansition <status-enable>...

  • Page 177: Temperature Status Register Commands

    QUEStionable Status Register Temperature Status Register Commands Query Temperature Status Register Event SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:TEMPerature [:EVENt]? Query Temperature Status Register Condition SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:TEMPerature :CONDition? Enable Temperature Status Register SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:TEMPerature :ENABle <status-enable> Query Format: [:]STATus[<channel>]:QUEStionable:VOLTage:TEMPerature :ENABle? Set Temperature Status Positive Transition Filter SCPI command: [:]STATus[<channel>]:QUEStionable:VOLTage:TEMPerature :PTRansition <status-enable>...

  • Page 178: Scpi Error/Event Queue

    Remote Operation SCPI Error/Event Queue The error/event queue contains items that include a numerical and textual description of the error or event. Querying for the full queue item (for example, with SYSTem:ERRor[:NEXT]?) will return a response with the following syntax: <Error/Event Number>, "<Error/Event Description>;<Optional Device Dependent Info>"...
  • Page 179 SCPI Error/Event Queue Examples: SYST:ERR? SYST:ERR:EVENT? Responses might be: -102, "syntax error;” 0, "No Error;" Querying For the Error Code Only It is possible to query for only the error code. When querying the error code only the response will be the numeric error code only, no additional description will be given.

  • Page 180: Reset Command

    Remote Operation Reset Command The Reset command performs a device reset. The Reset command is the third level of reset in a three level reset strategy, set out in IEEE 488.2 (see IEEE 488.2 standard, section 17.1.2). The Reset command shall do the following: 1.

  • Page 181: Clear All Status Registers

    SCPI Error/Event Queue Clear All Status Registers Clear Status Command Clears all Event Registers, including the Status Byte, the Standard Event Status and the Error Queue. Command: *CLS [:]STATus[<channel>]:CLEar M370185-01 5-53...

  • Page 182: Scpi Preset Status

    Remote Operation SCPI Preset Status Configures the status data structures to ensure that certain events are reported at a higher level through the status-reporting mechanism. These events are summarized in the mandatory structures, the Operation Status Register and Questionable Status Register. The PRESet command affects only the enable registers and the transition filter registers of the status data structures.

  • Page 183: Command Line Help System

    SCPI Error/Event Queue Command Line Help System The Help system is made up of a series of commands that can be used to get help on all available commands and details on their syntax. The Help commands are: [:]SYSTem[<channel>]:HELP[:HEADers]? [:]SYSTem[<channel>]:HELP:LEGacy? Querying Help for all Command Headers The [:]SYSTem[<channel>]:HELP[:HEADers]? query shall return all SCPI commands and queries and IEEE 488.2 common...
  • Page 184 Remote Operation *SRE *SRE?/qonly/ *STB?/qonly/ *SAV *RCL *TRG/nquery/ *ADR *HELP?/qonly/ *ERR?/qonly/ [:]SYSTem:PROTection[:MASK] [:]SYSTem:ERRor[:NEXT]?/qonly/ [:]SYSTem:ERRor:CODE[:NEXT]?/qonly/ [:]SYSTem:ERRor:COUNt?/qonly/ … [:]OUTPut:PROTection:FOLDback[:MODE] [:]OUTPut:PROTection:FOLDback: [:]OUTPut:POLarity [:]OUTPut[:POWer][:STATe] [:]OUTPut[:POWer]:PON[:STATe] [:]OUTPut:AUXilliary[:STATe] [:]OUTPut:AUXilliary:PON[:STATe] [:]MEASure[:SCALar][:VOLTage][:DC]?/qonly/ [:]MEASure[:SCALar]:CURRent[:DC]?/qonly/ [:]MEASure[:SCALar]:APRogram[:VOLTage][:DC]?/qonly/ [:]MEASure[:SCALar]:APRogram[:VOLTage]:ISOLated[:DC]?/ qonly/ [:]MEASure[:SCALar]:APRogram:CURRent[:DC]?/qonly/ [:]MEASure[:SCALar]:APRogram:CURRent:ISOLated[:DC]?/qonly/ [:]INITiate:IMMediate/nquery/ [:]CALibration:RESTore/nquery/ [:]CALibration[:VOLTage]:PROTection[:OVER][:DATA]/nquery/ [:]CALibration:OUTPut[:VOLTage][:DATA]/nquery/ [:]CALibration:OUTPut:CURRent[:DATA]/nquery/ [:]CALibration:OUTPut:ANALog[:VOLTage][:DATA]/nquery/ [:]CALibration:OUTPut:ANALog[:VOLTage]:ISOLated[:DATA]/ nquery/ 5-56 M370185-01...
  • Page 185 SCPI Error/Event Queue Querying Help for Legacy Command Headers The [:]SYSTem[<channel>]:HELP:LEgacy? query is essentially the same as the [:]SYSTem[<channel>]:HELP[:HEADers]? command, but it lists legacy commands. If executed it returns all legacy commands and queries implemented. The response shall be on a page by page basis. No single line will be longer than 80 characters and each page will be 23 lines long.

  • Page 186: Locking And Unlocking The Front Panel

    Remote Operation Locking and Unlocking the Front Panel Locking out the front panel will prevent any of the buttons from functioning. All the buttons and knobs on the front panel will display the LOCL Loc message to be display on the Current and Voltage displays if pressed or rotated.
  • Page 187 Locking and Unlocking the Front Panel Setting Dwell Time The dwell time is the amount of time that is delayed between each command during the execution of an Auto Sequence program. The dwell time can be from 0 to 180 seconds and can be changed during the program execution.
  • Page 188 Remote Operation :PROG:DWEL 0 :PROG:STOP This program will send a 12 V square wave with 120 seconds 50% duty cycle. When the program is finished, the dwell time is restored to 0 seconds. Saving an Auto Sequence Program to File: The following procedure indicates how to save an Auto Sequence program to a text file on the attached PC.
  • Page 189 Locking and Unlocking the Front Panel Another benefit to the readback command is it allows the auto sequence program to be captured and stored on the client side for reloading when the program is to persist beyond power cycles. Command: [:]PROGram[<channel>]:READback? For Example: :PROG:START...
  • Page 190 Remote Operation 4. From the Hyper Terminal (or any other terminal program) select the Transfer>Send Text File… 5. Navigate to and select the text file that was previously stored. Click the Open button. 6. Execute the program recording stop command: :PROG:STOP 7.
  • Page 191 Locking and Unlocking the Front Panel :PROG:STAT RUN The output after the last command might be as follows: AMETEK, XTR 150-5.6, SN# E00123456, 1.00 Build 10, 21/ 11/2005 AMETEK, XTR 150-5.6, SN# E00123456, 1.00 Build 10, 21/ 11/2005 Important: Execution of the program may be terminated at any time by pressing the Esc key in the MS Windows Hyper Terminal window.
  • Page 192 Remote Operation :PROG:REP 2 :PROG:STAT RUN The output after the last command might be as follows: AMETEK, XTR 150-5.6, SN# E00123456, 1.00 Build 10, 21/ 11/2005 AMETEK, XTR 150-5.6, SN# E00123456, 1.00 Build 10, 21/ 11/2005 AMETEK, XTR 150-5.6, SN# E00123456, 1.00 Build 10, 21/ 11/2005 AMETEK, XTR 150-5.6, SN# E00123456, 1.00 Build 10, 21/...

  • Page 193: Configure Other Protection Mechanisms

    Configure Other Protection Mechanisms Configure Other Protection Mechanisms Foldback Protection Foldback protection causes the output of the power supply to shut down if the selected regulation mode is entered and the configured delay time expires. A delay time may be specified as well. The only way to clear foldback is by pressing the rotary Adjust/Enter control for 3 seconds and executing the Clear command.

  • Page 194: Over Temperature Protection

    Remote Operation <delay_time> is a value in the range of 0.5-50 seconds. The unit of second is the default and no units should be used with this parameter. (Increments of 0.1seconds are allowed.). The default value is 0.5 seconds. Over Temperature Protection The over temperature protection (OTP) is the alarm that protects the unit in case of ventilation blockage, fan failure, or some other event that causes the unit to overheat.

  • Page 195: Save And Recall

    Configure Other Protection Mechanisms Save and Recall The save and recall of user settings can be done using commands as well as at the front panel. Executing the save and recall commands will have the same outcome as following the procedure outlined in “Saving User Setting Memory Locations”...
  • Page 196 Remote Operation Commands: [:]SYSTem[<channel>]:REMote:SOURce[:VOLTage] {?|LOCal|AVOLtage|ARESistive} [:]SYSTem[<channel>]:REMote:SOURce:CURRent {?|LOCal|AVOLtage|ARESistive} Where: LOCal indicates the value is controlled by the set point. AVOLtage is used to set the output to be controlled by an analog voltage input. ARESistive is used to set the output to be controlled by a resistor circuit. IAVoltage is used to set the output to be controlled by the isolated analog voltage input.

  • Page 197: Protection Mask (Enable Alarms)

    Configure Other Protection Mechanisms Protection Mask (Enable Alarms) The protection mask allows for the different alarms to be masked, completely disabling them. This means that the SCPI status and operations registers will not detect the alarms. You will have no way of knowing the current operation state of the alarm.
  • Page 198 Remote Operation 5-70 M370185-01...

  • Page 199: Calibration And Troubleshooting

    Calibration and Troubleshooting Chapter 6, Calibration and Troubleshooting, contains information and procedures for calibrating and troubleshooting the power supply.

  • Page 200: Introduction

    Calibration and Troubleshooting Introduction The calibration of the power supply is software dependent, and there are no potentiometers to adjust. Calibration is performed via SCPI commands. The following items need to be calibrated: • Programmed voltage • Voltage readback • Programmed current •...

  • Page 201: Main Voltage And Current Calibration Principle

    Calibration and Troubleshooting Main Voltage and Current Calibration Principle Understanding the Problem Figure 6-1 illustrates two sources of analog programming error: gain error and offset error. Gain error is the departure from the ideal slope of the measured versus programmed line. Offset error is the magnitude of the measured value when the programmed value is zero.

  • Page 202: Step 1: Gain Calibration

    Calibration and Troubleshooting Step 1: Gain Calibration Figure 6-2 Calibration: Step 1 Gain Calibration Adjust the gain so that the real line and ideal line intersect at a programmed value of 90%. Step 2: Offset Calibration Figure 6-3 Calibration: Step 2 Offset Calibration Adjust the offset so that the real and ideal lines intersect at a programmed value of 10%.

  • Page 203: Step 3: Recalibrate Gain

    Calibration and Troubleshooting Step 3: Recalibrate Gain Figure 6-4 Calibration: Step 3 Recalibrate Gain Repeat Step 1 for best results. M370185-01...

  • Page 204: Calibrating The Output Voltage

    Calibration and Troubleshooting Calibrating the Output Voltage Gain calibration of the power supply has the greatest affect on the accuracy in the high voltage range. Offset calibration has the greatest affect on accuracy of the power supply at low voltages. The same calibration command is used for the gain and offset calibrations.

  • Page 205: Calibrating The Output Current

    Calibration and Troubleshooting After performing offset calibration, it is recommended that you repeat gain calibration. Important: For best results, both calibrations may be repeated several times. The SCPI Command (s) for these instructions are: [:]CALibration[<channel>]:OUTPut{:VOLTage]{<voltmeter reading in volts>} Calibrating the Output Current Gain Calibration To perform gain calibration: 1.

  • Page 206: Offset Calibration

    Calibration and Troubleshooting Offset Calibration Offset calibration of the power supply provides the best accuracy in low- range current. To perform offset calibration: 1. After performing gain calibration, set the current to 10% from the nominal. 2. Read the current value on the ammeter display. 3.

  • Page 207: Over Voltage Protection Calibration

    Calibration and Troubleshooting Over Voltage Protection Calibration Important: The Voltage Calibration must be done before performing this procedure. If this is not done the OVP calibration will be inaccurate. To calibrate the over voltage protection: 1. Turn on the power supply. 2.

  • Page 208: Non-Isolated Analog Programming Calibration

    Calibration and Troubleshooting Non-isolated Analog Programming Calibration Prior to this, the main output must be calibrated first. Important: In calibration commands, when + or – keys are expected, any other key will exit from the calibration mode. Non-isolated Voltage Monitoring Calibration Important: For maximum accuracy at a specific APG level.

  • Page 209: Non-Isolated Current Monitoring Calibration

    Calibration and Troubleshooting Non-isolated Current Monitoring Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in steps 3 and 8. To calibrate the non-isolated current monitoring: 1. Short the main output with a shunt. Connect a multimeter to measure the voltage across the shunt.

  • Page 210: Non-Isolated Voltage Programming Of Voltage Calibration

    Calibration and Troubleshooting Non-isolated Voltage Programming of Voltage Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in steps 3 and 4. To calibrate the non-isolated voltage programming of voltage: 1.

  • Page 211: Non-Isolated Resistive Programming Of Voltage Calibration

    Calibration and Troubleshooting Non-isolated Resistive Programming of Voltage Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating resistance level in steps 2 and 3. To calibrate the non-isolated resistive programming of voltage: 1.

  • Page 212: Non-Isolated Voltage Programming Of Current Calibration

    Calibration and Troubleshooting Non-isolated Voltage Programming of Current Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in steps 3 and 4. To calibrate the non-isolated voltage programming of current: 1.

  • Page 213: Non-Isolated Resistive Programming Of Current Calibration

    Calibration and Troubleshooting Non-isolated Resistive Programming of Current Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating resistance level in steps 2 and 3. To calibrate the non-isolated resistive programming of current: 1.

  • Page 214: Calibration Procedure For Isolated Modes

    Calibration and Troubleshooting Calibration Procedure for Isolated Modes The main output and the non-isolated mode must be calibrated first. Isolated Voltage Monitoring Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in steps 3 and 8.

  • Page 215: Isolated Current Monitoring Calibration

    Calibration and Troubleshooting Isolated Current Monitoring Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in steps 3 and 8. To calibrate the isolated current monitoring: 1. Short the main output with a shunt. Connect a multimeter to measure the voltage across the shunt.

  • Page 216: Isolated Voltage Programming Of Voltage Calibration

    Calibration and Troubleshooting Isolated Voltage Programming of Voltage Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in step 3. To calibrate the isolated voltage programming of voltage: 1.

  • Page 217: Isolated Resistive Programming Of Voltage Calibration

    Calibration and Troubleshooting Isolated Resistive Programming of Voltage Calibration Important: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating resistance level in step 3. To calibrate the isolated resistive programming of voltage: 1.

  • Page 218: Isolated Voltage Programming Of Current Calibration

    Calibration and Troubleshooting Isolated Voltage Programming of Current Calibration Important:: For maximum accuracy at a specific APG level. Follow the calibration procedure again but use the intended operating voltage level in step 3. To calibrate the isolated voltage programming of current: 1.

  • Page 219: Isolated Resistive Programming Of Current Calibration

    Calibration and Troubleshooting Isolated Resistive Programming of Current Calibration To calibrate the isolated resistive programming of current: 1. Short the main output with a shunt. Connect a multimeter to measure the voltage across the shunt. 2. Connect the 4.000 kΩ resistor to the isolated connector. One terminal to resistive programming of current (J3.7), and voltage programming of current (J3.3), and the other to common (J3.2).

  • Page 220: Calibrating The Input Voltage Apg Signal

    Calibration and Troubleshooting Calibrating the Input Voltage APG Signal The input voltage APG calibration is necessary to ensure accurate measurements when using the :MEAS:APR? and :MEAS:APR:ISOL? SCPI command queries to monitor the APG input signal. Gain Calibration To calibrate the VAP APG input gain: 1.

  • Page 221: Calibrating The Input Current Apg Signal

    Calibration and Troubleshooting 4. Type SCPI input Voltage calibration command with voltage noted in step 3 as the parameter “data”. For example, you would type :CAL:INP:ANAL:CURR 0.43 if you read 0.43 volts from the voltmeter. After performing offset calibration, it is highly recommended that you repeat gain calibration.
  • Page 222 Calibration and Troubleshooting Offset Calibration Offset calibration of the power supply provides the best accuracy in low- range input current. To perform offset calibration: 1. Set the voltage source attached to the non-isolated current APG input to 10% of the nominal current level, in this case 0.400 V. 2.

  • Page 223: Storing And Loading Calibration Parameters

    Calibration and Troubleshooting Storing and Loading Calibration Parameters It is recommended that you save all the calibration parameters in a text file so they can be reloaded in the event of a flash failure or a mistake in calibration. To get the calibration data, execute the following commands and save the response in a text file: The SCPI command (s) to download all the calibration data are: [:]CALibration:PARameter[:OUTPut]...

  • Page 224: Restore Factory Calibration

    Calibration and Troubleshooting By saving and reloading the calibration parameters using these commands, you can calibrate the XTR for maximum accuracy for a specific load and then switch loads and load a calibration set that is accurate at maximum accuracy for the new load. Restore Factory Calibration To restore factory calibration, use the SCPI command for returning the power supply to factory calibration settings.

  • Page 225: Emergency Shutdown

    Calibration and Troubleshooting Emergency Shutdown In an emergency, carry out these steps: 1. Shut the power supply OFF immediately. 2. Disconnect the mains supply. 3. Disconnect the power supply from the load. Unusual or Erratic Operation If the power supply displays any unusual or erratic operation, follow these steps: 1.

  • Page 226: Troubleshooting For Operators

    Calibration and Troubleshooting Troubleshooting for Operators Refer to Table 6-1 to ensure that the power supply is configured and connected for normal operation. If you require any further troubleshooting assistance, call your service technician. See “Contact Information” on page iii. Table 6-1 Troubleshooting Symptom Check...

  • Page 227: A Scpi Command Reference

    SCPI Command Reference Appendix A, SCPI Command Reference, provides a summary of the Standard Commands for Programmable Instruments (SCPI) that are supported by the XTR 850 Watt Series Programmable DC Power Supply.

  • Page 228: Scpi Conformance Information

    SCPI Command Reference SCPI Conformance Information Codes and Standards This power supply conforms to the following international standards: • IEEE Std. 488.2-1992, “IEEE Standard Codes, Formats, Protocols, and Common Commands For Use With IEEE Std. 488.1-1987” • IEEE Std. 488.1-1987 “IEEE Standard Digital Interface for Programmable Instrumentation”...

  • Page 229: Scpi Command Hierarchy

    SCPI Conformance Information SCPI Command Hierarchy SCPI is an ASCII-based command language designed for use in test and measurement equipment. The command structure is organized around common roots, or nodes, which are the building blocks of SCPI subsystems. An example of a common root is CALibration, and some of the commands that reside in the CALibration subsystem are: [:]CALibration [:OUTPut]...

  • Page 230: Using Scpi Commands

    SCPI Command Reference Using SCPI Commands This Manual shows SCPI commands in the following format: CALibration:CURRent:LEVel {<current>|MIN|MAX} The command is expressed as a mixture of upper- and lowercase letters. The uppercase letters suggest how the command can be abbreviated into a short form.
  • Page 231 SCPI Conformance Information The following punctuation is not sent with the command string: • Braces ({ }), or curly brackets, identify a selection of choices. Choose one of the enclosed values. • Vertical bars, or pipes, ( | ) can be read as “or” and is used to separate the choices found within the braces.
  • Page 232 SCPI Command Reference Terminating Characters Every command string must end with a terminating <new line> character. It is also acceptable to use a <carriage return> followed by a <new line>. Terminating a command string always resets the SCPI command path to the root level.

  • Page 233: Parameter Types

    SCPI Conformance Information Parameter Types Several different data types are defined for use in program messages and response messages. Boolean Parameters Boolean parameters are single binary conditions such as 1 and 0, or ON and OFF. The following is an example of a command that uses Boolean parameters: SYST:COMM:GPIB:PONS {ON|OFF|1|0} Discrete Parameters...

  • Page 234: Scpi Command Tree

    SCPI Command Reference SCPI Command Tree The SCPI commands are organized into a tree structure. To illustrate the tree structure, the following tree has been provided. Each level of indentation presents a branch. The command to execute can then be found by following the tree from the root or farthest left node all the way down to the leaf node.
  • Page 235 SCPI Command Tree :ISOLated :RESistive :ISOLated :CURRent :ISOLated :RESistive :ISOLated [:VOLTage] :PROTection [:OVER] :RESTore :DEFault [:]INITiate [:IMMediate] [:]MEASure :AProgram [:VOLTage] [:DC] :ISOLated [:DC] :CURRent [:DC] :ISOLated [:DC] [:SCALar] [:VOLTage] [:DC]? :CURRent [:DC]? [:]OUTPut :PROTection :CLEar :FOLDback [:MODE] :DELay M370185-01...
  • Page 236 SCPI Command Reference :LATch :POLarity [:POWer] [:STATe] :PowerON [:STATe] :AUXilliary [:STATe] :PowerON [:STATe] [:]PROGram :READback :STATe [:RECord] :STARt :STOP :DELete [:ALL] :REPeat [:STEP] :DWELl [[:]SOURce] :COMBine :CSHare [:MODE] :VOLTage [:LEVEl] [:IMMediate] [:AMPLitude] :PROTection [:OVERvoltage] [:LEVel] :UNDer [:LEVel] :CURRent A-10 M370185-01...
  • Page 237 SCPI Command Tree [:LEVEl] [:IMMediate] [:AMPLitude] [:]SENSe: :PROTection :INTerlock [:STATe] :TEMPerature [:LATCh] [:]STATus :PRESet :QUEStionable [:EVENt]? :ENABle :CONDition :PTRansition :NTRansition :VOLTage [:EVENt]? :ENABle :CONDition? :PTRansition :NTRansition :TEMPerature [:EVENt]? :ENABle :CONDition? :PTRansition :NTRansition :OPERation [:EVENt]? :ENABle :CONDition? :PTRansition M370185-01 A-11...
  • Page 238 SCPI Command Reference :NTRansition :CSHare [:EVENt]? :ENABle :CONDition? :PTRansition :NTRansition :SHUTdown [:EVENt]? :ENABle :CONDition :PTRansition :NTRansition :PROTection [:EVENt]? :ENABle :CONDition? :PTRansition :NTRansition :STANdard [:EVENt]? :ENABle :CLEar :SBYTe [:EVENt]? :SREQuest [:ENABle] [:]SYSTem :FPANel [:TIMeout] :PROTection :LATCh [:MASK] :RESet :WAIT A-12 M370185-01...
  • Page 239 SCPI Command Tree :TEST? :RESet :IDENtify? :REMote :STATe :SOURce [:VOLTage] :CURRent :COMMunicate :APRogram :LEVel [:VOLTage] [:ISOLated] :CURRent [:ISOLated] [:MCHannel] :ADDRess :PON :VOLT :CURR :ENA :VOLT :CURR :SAVE :RECall :VERSion? :ERRor [:NEXT]? :CODE [:NEXT]? :COUNt? :HELP [:HEADers]? :SYNTax? :LEGacy? M370185-01 A-13...

  • Page 240: Scpi Command Summary

    SCPI Command Summary The SCPI commands supported by this programmable power supply are described in the tables in the remainder of this section. These tables use the following column headings: • Function The commonly used name for the function. • SCPI Command The full command in long form.
  • Page 241 Table A-1 IEEE 488.2 Commands (Continued) Display All Display all the SCPI *HELP? SCPI command headers available Command on this device. Headers Identification *IDN? Query device identification Query [:]SYSTem[<channel>]:IDENtify? string. Operation Operation Complete *OPC Complete Command Command Query *OPC? Operation Complete Query Operation Complete Command...

  • Page 242: Table A-2 Readback Commands

    Table A-1 IEEE 488.2 Commands (Continued) Trigger Trigger system *TRG Self-Test *TST? Perform unit Self Test Query [:]SYSTem[<channel>]:TEST? (Pass=0). Wait To *WAI Wait to continue command. Continue [:]SYSTem[<channel>]:WAIT Table A-2 Readback Commands Parameter and Function SCPI Command Description Range Query Read Output [:]MEASure[<channel>][:SCALar]:CURRent Measure and readback...

  • Page 243: Table A-3 Scpi Commands For Output Control

    Table A-3 SCPI Commands for Output Control Parameter and Function SCPI Command Description Range Query Set Current [[:]]SOURce[<channel>]]:COMBine:CSHare[: Set the XTR to operate in the ?|CONTroller current share controller or slave MODE] Sharing Mode |SLAVe mode. If only a single unit is being used it should be set t controller.

  • Page 244: Table A-4 Scpi Commands For Calibration

    Table A-4 SCPI Commands for Calibration Parameter and Function SCPI Command Description Range Query Restore Restores the calibration to [:]CALibration[<channel>]:RESTore Factory the factory defaults. Calibration Restore Restores the default [:]CALibration[<channel>]:DEFault Default calibration for all variables. Calibration (Unit gain and zero offset). Calibrate Calibrate the over voltage <OVP Voltage Set...
  • Page 245 Table A-4 SCPI Commands for Calibration (Continued) Calibrate the Calibrate the current ? | <NR1> | [:]CALibration[<channel>]:MONitor Voltage :CURRent monitor signal system. <nothing for controlled interactive mode> Non Isolated Current APG feature Calibrate the [:]CALibration[<channel>]:MONitor Calibrate the isolated ? | <NR1> | Voltage :CURRent:ISOLated current monitor signal...
  • Page 246 Table A-4 SCPI Commands for Calibration (Continued) Calibrate the Calibrate the current analog ? | <NR1> | [:]CALibration[<channel>]:OUTPut Voltage :ANALog:CURRent programming system. <nothing for controlled interactive mode> Non Isolated Current APG feature Calibrate the Calibrates the current ? | <NR1> | [:]CALibration[<channel>]:OUTPut Voltage :ANALog:CURRent:ISOLated...

  • Page 247: Table A-5 Scpi Commands To Clear All Protection Mechanisms

    Table A-4 SCPI Commands for Calibration (Continued) Calibrate the Calibrates the Resistive ? | <NR1> | [:]CALibration[<channel>]:OUTPut Resistive :ANALog:CURRent:RESistive:ISOLated controlled current analog <nothing for controlled programming system. interactive mode> Isolated Current APG feature Get Output [:]CALibration[<channel>]:PARameter Queries and loads the output ?|<arbitrary Calibration [:OUTPut]...

  • Page 248: Table A-7 Scpi Commands For Power

    Table A-7 SCPI Commands for Power Parameter and Function SCPI Command Description Range Query Shutdown [:]OUTPut:POLarity Sets the TTL level that will ?|HIGH|LOW Logic Control trigger an External Shutdown. Main Output [:]OUTPut[:POWer][:STATe] Control Main Output State ?|ON|OFF Control (Enable/Disable) Power On [:]OUTPut[:POWer]:PON[:STATe] Control Main Output ?|ON|OFF...

  • Page 249: Table A-9 System Commands

    Table A-9 System Commands Parameter and Function SCPI Command Description Range Query Set the menu [:]SYSTem:FPANel[:TIMeout] Sets the menu system <1–20 to one decimal system timeout. place seconds> timeout Resets the Resets all values to default [:]SYSTem[<channel>]:RESet Instrument to state (excluding calibration default data).
  • Page 250 Table A-9 System Commands (Continued) Query the Returns the number of [:]SYSTem[<channel>]:ERRor:COUNt? Error Queue errors currently in the error for the queue. number of entries. Select Voltage Select level for Voltage ?|<Level (2– [:]SYSTem[<channel>]:COMMunicate Analog :APRogram:LEVel[:VOLTage][:ISOLated] APG. Level can be between 10)>|MAXimum|MI Programming 2 -10 volts.
  • Page 251 Table A-9 System Commands (Continued) Setup the Alter or query the state of [:]SYSTem[<channel>]:REMote:SOURce ?|LOCal|AVOLtag Current :CURRent the remote programming e|IAVoltage|ARE control APG current APG source. Sistive|IAResis tive source Set Front [:]SYSTem[<channel>]:REMote:STATe Change front panel control ?|LOCal|REMote Panel lock mode state.

  • Page 252: Table A-10 Status Commands

    Table A-9 System Commands (Continued) Set Alarm Sets the Alarm Output ?| <Sum of output [:]SYSTem[<channel>]:PROTection:LATCh Output Latches. See Table 3-6 on latch flags> Latches page 3–23. Table A-10 Status Commands Parameter and Function SCPI Command Description Range Query Query Query the Operations [:]STATus[<channel>]:OPERation Operation...
  • Page 253 Table A-10 Status Commands (Continued) Set Operation Access the Operation ?|<Transition Flags [:]STATus[<channel>]:OPERation Status :PTRansition Positive Trans Filter - (0–65535)> Positive Register. Transition See Table 5-11 on page 5– Register Query [:]STATus[<channel>]:OPERation See Table 5-12 on page 5– Query the Operation Operation :SHUTdown:CONDition? Shutdown...
  • Page 254 Table A-10 Status Commands (Continued) Set Operation Access the Operation ?|<Transition Flags [:]STATus[<channel>]:OPERation Status :SHUTdown:PTRansition Shutdown Positive Trans - (0–65535)> Shutdown Filter Register. Positive See Table 5-12 on page 5– Transition Register Query Query the Operation [:]STATus[<channel>]:OPERation Operation :SHUTdown:PROTection:CONDition? Shutdown Protection Status Condition Register.
  • Page 255 Table A-10 Status Commands (Continued) Set Operation Access the Operation ?|<Transition Flags [:]STATus[<channel>]:OPERation Status :SHUTdown:PROTection:PTRansition Shutdown Protection - (0–65535)> Shutdown Positive Trans Filter Protection Register. Positive See Table 5-12 on page 5– Transition Register Query [:]STATus[<channel>]:OPERation Query the Operations Event Operation :CSHare[:EVENt]? Register.
  • Page 256 Table A-10 Status Commands (Continued) Preset Enable, Restores the configuration [:]STATus[<channel>]:PRESet Positive of the SCPI status registers Transition and to known reporting Negative conditions, IE Transition Transition registers and enable register. Status See “Status Reporting in Registers SCPI” on page 5–25 for more details.
  • Page 257 Table A-10 Status Commands (Continued) Query Query the Questionable [:]STATus[<channel>]:QUEStionable Questionable :TEMPerature[:EVENt]? Temp Event Register. Status See Table 5-15 on page 5– Temperature Event Register [:]STATus[<channel>]:QUEStionable Access the Questionable ?|<Transition Flags Questionable :TEMPerature:NTRansition Temp Negative Trans Filter - (0–65535)> Status Register.
  • Page 258 Table A-10 Status Commands (Continued) Query Query the Questionable Volt [:]STATus[<channel>]:QUEStionable Questionable :VOLTage[:EVENt]? Event Register. Status Voltage See Table 5-15 on page 5– Event Register Access the Questionable ?|<Transition Flags [:]STATus[<channel>]:QUEStionable Questionable :VOLTage:NTRansition Voltage Negative Trans - (0–65535)> Status Voltage Filter Register.

  • Page 259: Table A-12 Auto Sequence Commands

    Table A-10 Status Commands (Continued) Service Access Service Request ?|<Enable Flags - (0 [:]STATus[<channel>]:SREQuest:ENABle Request Enable Command. –255)> Enable (*SRE,*SRE [:]STATus[<channel>]:CLEar Clears all the Status Data Structures. Table A-11 Protection Commands Parameter and Function SCPI Command Description Range Query Enable the Control the Enable/Disable ?|ON|OFF [:]SENSe[<channel>]:PROTection...
  • Page 260 Table A-12 Auto Sequence Commands (Continued) Function SCPI Command Description Parameter and Range Query Begin [:]PROGram[<channel>][:RECord]:STARt Start recording new Recording sequence (overwrites old Auto sequence). Sequence Program Stop Stop recording the auto [:]PROGram[<channel>][:RECord]:STOP Recording sequence program. Auto (Sequence ready to run.) Sequence Program Set the...
  • Page 262 A-36...

  • Page 263: Error Messages

    Error Messages Appendix B, Error Messages, provides information on the error messages which may appear. Errors are placed in a queue as they are detected.

  • Page 264: Error Messages

    Error Messages Error Messages Errors are placed in a queue as they are detected. The queue works on a first in, first out (FIFO) basis. If the queue overflows, the last error in the queue is replaced with error –350, “Queue Overflow”. When all errors have been read from the queue, further error queries return 0, “No error”.

  • Page 265: Command Error List

    Error Messages Command Error List An error in the range [-199, -100] indicates that an IEEE 488.2 syntax error has been detected by the instrument’s parser. The occurrence of any error in this class causes the command error bit (bit 5) in the Event Status Register to be set.

  • Page 266: Execution Error List

    Error Messages Execution Error List An error in the range [-299, -200] indicates that an error has been detected by the instrument’s execution control block. The occurrence of any error in the class causes the execution error bit (bit 4) in the Event Status Register to be set.

  • Page 267: Device-Specific Error List

    Error Messages Table B-2 Execution Error List Error Code Error Message Description -222 Data out of range Indicates that a legal program data element was parsed but could not be executed because the interpreted value was outside the legal range as defined by the device (see IEEE 488.2, 11.5.1.1.5) -224 Illegal parameter value...

  • Page 268: Query Error List

    Table B-3 Device-Specific Error List Error Code Error Message Description -365 Time out error This is a generic device-dependent error. Query Error List An error number in the range [-499, -400] indicates that the output queue control of the instrument has detected a problem with the message exchange protocol described in IEEE 488.2, chapter 6.
  • Page 269 Specifications Appendix C, Specifications, provides the product specifications for the XTR 850 Watt Series Programmable DC Power Supply. • These specifications are represented over the full operating temperature range. • Nominal line input voltage should be assumed unless otherwise stated. •...

  • Page 270: Electrical Specifications For Xtr 850 Watt

    Electrical Specifications for XTR 850 Watt Table C-1 XTR 850 Watt Electrical Specifications for 6 V to 600 V Models Models 6-110 8-100 12-70 20-42 33-25 40-21 60-14 80-10.5 100-8.5 150-5.6 300-2.8 600-1.4 Output Ratings: 12 V 20 V 33 V 40 V 60 V 80 V...

  • Page 271: Ac Line Input Specifications For Xtr 850 Watt

    Table C-1 XTR 850 Watt Electrical Specifications for 6 V to 600 V Models Models 6-110 8-100 12-70 20-42 33-25 40-21 60-14 80-10.5 100-8.5 150-5.6 300-2.8 600-1.4 75/77% 77/80% 79.5/ 82/85% 83/86% 83/87% 83/87% 83/87% 83/87% 83/87% 83/87% 83/87% Efficiency 82.5% ≤...

  • Page 272: Remote Operation

    Remote Operation Table C-2 Remote Operation Programming Mode ISOL Digital Voltage and Current Output Voltage Programming 0–100%. Voltage control range is 0.0 to 2.0-10.0V in 0.1V increments. Votage and Current Output Resistive Programming 0-100%. Resistive control range is 0.0 to 2.0 - 10.0K in 0.1K increments. Output Voltage and Current Monitor 0-100%.

  • Page 273: Common Specifications For All Models

    1.Typical APG or isolated APG accuracy can be improved to max accuracy by user calibration at the specific range selected. 2.The shutdown input has user selectable negative logic operation via front panel or remote digital input/output. Common Specifications for All Models Output Performance Specifications +5V: +0.4V, –...
  • Page 274 Environmental Specifications (Indoor use) Operating Temperature Range 0 °C to 50 °C, 100% load Storage Temperature Range –20 °C to 70 °C Operating Humidity Range 30–90% RH (no condensation) Storage Humidity Range 10–95% RH (no condensation) Operating Altitude Up to 6,500 feet (2,000 m) Installation Category II (IEC 1010-1) Pollution Degree...

  • Page 275: Figure C-1 Xtr 850 Watt Mechanical Dimensions: 6 To 40 V Models

    Common Specifications for All Models .30 in. 7.6 mm 17. 99 in. 456.9 mm 18.9 in. 17.32 in. 479.9 mm 18.5 in. 439.9 mm 469.9 mm Optional DC output cover .26 in. .60 in. 6.5 mm x 2 1.98 in. 15.2 mm 50.2 mm 1.61 in...

  • Page 276: Figure C-2 Xtr 850 Watt Mechanical Dimensions: 60 V To 600 V Models

    Specifications 17.6 in. 447.5 mm 8.4 in. 214.2 mm 0.28 in. 1.7 in. 7.2 mm 43.6 mm 0.22 in. 5.5 mm Figure C-2 XTR 850 Watt Mechanical Dimensions: 60 V to 600 V Models M370185-01...
  • Page 277 Index Numerics command string punctuation blank spaces A–4 7 segment font, use of vi colons A–4 9-position mode control knob commas A–4 illustrated 3–2 semicolons A–4 positions described 3–3 constant current mode, described 3–13 constant voltage mode, described 3–13 current configuration memory settings 3–35 AC input connector, 850 W current share command 3–46 defined 2–5...
  • Page 278 Index front panel display 7 segment font 3–9 offset calibration, effect of 6–6 illustrated 1–5 offset error, described 6–3 gain calibration, effect of 6–6 parameter types gain error, described 6–3 A–7 boolean A–7 discrete A–7 numeric A–7 IEEE string A–7 GPIB cable 5–15 parameters, units of measure and multipliers A–2 Std.
  • Page 279 Index described 3–7 3–36 number available 3–36 stored values 3–36 M370185-01 IX–3...
  • Page 280 IX-4...

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