TDK-Lambda Z+ Series User Manual
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TDK-Lambda Z+ Series User Manual

Z+ series programmable dc power supplies 200w/400w/600w/800w in 2u built-in usb, rs-232 & rs-485 interface optional interface: lxi compliant lan ieee488.2 scpi (gpib) multi-drop isolated analog programming
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Series
Programmable DC Power Supplies
200W/400W/600W/800W in 2U
Built-in USB, RS-232 & RS-485 Interface
Optional Interface:
LXI Compliant LAN
IEEE488.2 SCPI (GPIB) Multi-Drop
Isolated Analog Programming
User Manual

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Summary of Contents for TDK-Lambda Z+ Series

  • Page 1 Series Programmable DC Power Supplies 200W/400W/600W/800W in 2U Built-in USB, RS-232 & RS-485 Interface Optional Interface: LXI Compliant LAN IEEE488.2 SCPI (GPIB) Multi-Drop Isolated Analog Programming User Manual...
  • Page 2 Series Programmable DC Power Supplies 200W/400W Built-in USB, RS-232 & RS-485 Interface USER MANUAL This Manual Covers Models: Z10-20 Z20-10 Z36-6 Z60-3.5 Z100-2 Z10-40 Z20-20 Z36-12 Z60-7 Z100-4 IA710-04-01C...

  • Page 6: Table Of Contents

    Table of Contents REGULATORY NOTICES ....................11 SAFETY INSTRUCTIONS....................11 CHAPTER 1: GENERAL INFORMATION 1.1 User Manual Content ........................15 1.2 Introduction ............................15 1.2.1 General Description .............................. 15 1.2.2 Models Covered by this Manual ........................15 1.2.3 Features and Options ............................15 1.2.4 Multiple Output Power System ........................
  • Page 7 3.9.3 Wire Termination ..............................35 3.9.4 Noise and Impedance Effects .......................... 35 3.9.5 Inductive Loads ................................ 35 3.9.6 Making the Load Connections ........................35 3.9.7 Connecting Single Loads, Local Sensing (default) ................37 3.9.8 Connecting Single Loads, Remote Sensing .................... 37 3.9.9 Connecting Multiple Loads, Radial Distribution Method ...............
  • Page 8 5.3.5.1 Setting the Protection Delay ........................55 5.3.6 Over Temperature Protection .......................... 55 5.3.7 AC Fail Alarm ................................55 5.4 Series Operation ..........................56 5.4.1 Series Connection for Increased Output Voltage ................56 5.4.2 Series Connection for Positive and Negative Output Voltage ............ 56 5.4.3 Remote Programming in Series Operation .....................
  • Page 9 7.7.1 Data Format ................................. 78 7.7.2 End of Message ................................. 78 7.7.3 Command Repeat ..............................78 7.7.4 Checksum ..................................78 7.7.5 Acknowledge................................78 7.7.6 Backspace ..................................78 7.7.7 Error Messages ................................78 7.8 GEN Command Set Description ....................79 7.8.1 General guides ................................79 7.8.2 Command Set Categories ..........................
  • Page 10 8.6.2 Wave Execution via Communication PC ....................116 8.6.3 Wave Execution via Front Panel ........................116 8.7 Additional Examples ........................116 8.7.1 List Example ................................116 8.7.2 Waveform Example ............................... 116 CHAPTER 9: STATUS, FAULT AND SRQ REGISTERS 9.1 General ..............................118 9.2 Power Supply Status Structure ....................

  • Page 11: Trademark Information

    QA seal has been removed or altered by anyone other than TDK-Lambda authorised personnel. TDK-Lambda does not warrant the buyers circuitry or malfunctions of TDK-Lambda products resulting from the buyer’s circuitry.

  • Page 12: Regulatory Notices

    EN 601010-1 - “Electrical Equipment For Measurement, Control and Laboratory Use; Part 1: General Requirements. ” A “Declaration of Conformity” in accordance with the preceding directives and standards has been made and is on file at our EU representative TDK-Lambda UK, located at Kingsley Avenue, Ilfracombe, Devon EX34 8ES, UK.
  • Page 13 Reihe darf nicht vom Betriebspersonal geöffnet werden. Änderungen des Innenaufbaus sowie der Austausch von Bauteilen ist ausschließlich qualifizierten Mitarbeitern der TDK-Lambda erlaubt. Vor dem Austausch von Bauteilen ist das Netzkabel bzw. die Versorgungsspannung zu trennen. Zur Vermeidung von Körperverletzung sind vor der Berührung von Bauteilen stets die Stromanschlüsse zu trennen, Schaltungen zu entladen und...
  • Page 14 PARTS SUBSTITUTIONS & MODIFICATIONS Parts substitutions and modifications are by authorized TDK-Lambda service personnel only. For repairs or modifications, the instrument must be returned to TDK-Lambda service facility. AUSWECHSELN UND VERÄNDERUNG VON BAUTEILEN Das Auswechseln sowie die Veränderung von Teilen darf nur von zugelassenen TDK-Lambda Servicemitarbeitern durchgeführt werden.
  • Page 15 WARNING: There is a potential shock hazard when using a power supply with output voltage greater than 42.4V. Do not turn ON power supply when output voltage above 42.4VDC without output bus-bars or output connector protection assembled. Turn OFF power supply or disconnect power supply from AC mains before making or changing any rear panel connection.

  • Page 16: Chapter 1: General Information

    CHAPTER 1: GENERAL INFORMATION 1.1 User Manual Content This user's manual contains the operating instructions, installation instructions and specifications of the Z Series 200W and 400W power supply series. The instructions refer to the standard power supplies, including the built-in USB and RS232/485 serial communication. For information related to operation with the optional LAN and IEEE, refer to User Manual for power supply LAN and IEEE.

  • Page 17: Multiple Output Power System

    1.2.4 Multiple Output Power System The Z Series power supplies series can be configured into a programmable power system of up to 31 units using the built-in USB or RS232/RS485 communication port in the power supply and the RS485 linking cable provided with each power supply. In a LAN system, each power supply can be controlled using the optional LAN controller (factory installed).

  • Page 18: Accessories

    CAUTION: Observe all torque guidelines within this manual. Over torque may damage unit or accessories. Such damage is not covered under manufacturers warranty. 1.3 Accessories 1.3.1 General Accessories are delivered with the power supply or separately upon ordering, The list below shows the possible accessories and ordering numbers.

  • Page 19: Chapter 2: Specifications

    CHAPTER 2: SPECIFICATIONS...

  • Page 27: Z200W/400W Outline Drawing

    2.4 Z200W/400W Outline Drawing...

  • Page 28: Z200W/400W Optional Ieee, Isolated Analog Interface Outline Drawing

    2.5 Z200W/400W Optional IEEE, Isolated Analog Interface Outline Drawing...

  • Page 29: Z200W/400W Front Panel Output Binding Post Outline Drawing

    2.6 Z200W/400W Front Panel Output Binding Post Outline Drawing...

  • Page 30: Chapter 3: Installation

    Keep all packing material until the inspection has been completed. If damage is detected, file a claim with carrier immediately and notify the TDK-Lambda sales or service facility nearest you. 3.4 Rack Mounting The Z power supply series is designed to fit in a standard 19”...

  • Page 31: Location, Mounting And Cooling

    3.5 Location, Mounting and Cooling This power supply is fan cooled. The air intake is at the front panel and the exhaust is at the rear panel. Upon installation allow cooling air to reach the front panel ventilation inlets. Allow minimum 10cm (4”) of unrestricted air space at the front and the rear of the unit.

  • Page 32: Ac Input Cord

    3.7.2 AC Input Cord Refer to section 1.3.4 for details of the AC input cords recommended. WARNING: The AC input cord plug is the disconnect device of the power supply. The plug must be readily identifiable and accessible to the user. The AC input cord must be no longer than 3m. WARNUNG: Das Netzstromkabel dient zur Trennung des Netzgerätes vom Netzstrom.

  • Page 33: Constant Voltage Check

    3.8.3 Constant Voltage Check Turn on the output by pressing OUT push-button so the OUT LED illuminates. Observe the power supply VOLT display and rotate the Voltage Encoder. Ensure that the output voltage varies while the VOLT Encoder is rotated. The minimum control range is from zero to the maximum rated output for the power supply model.

  • Page 34: Foldback Check

    3.8.7 Foldback Check WARNING: There is a potential shock hazard when checking a power supply with output voltage greater than 42.4V. Observe proper safety procedures during the checking. WARNUNG: Beim Einsatz eines Netzteils mit einer Nenn-Ausgangsspannung von mehr als 42.4V besteht Stromschlaggefahr.

  • Page 35: Current Carrying Capacity

    3.9.2 Current Carrying Capacity Two factors must be considered when selecting the wire size: 1. Wires should be at least heavy enough not to overheat while carrying the power supply load current at the rated load, or the current that would flow in the event the load wires were shorted, whichever is greater.

  • Page 36: Wire Termination

    3.9.3 Wire Termination The wires should be properly terminated with terminals securely attached. DO NOT use non terminated wires for load connection at the power supply. CAUTION: When local sensing, a short from +LS or +S to -V or -S or -LS, will cause damage to the power supply. Reversing the sense wires might cause damage to the power supply in local and remote sensing.
  • Page 37 CAUTION: Ensure that the load wiring mounting hardware does not short the output terminals. Heavy connecting cables must have some form of strain relief to prevent loosening the connections or bending the bus-bars. 10V to 100V Models Refer to Fig.3-4 for connection of the load wires to the power supply bus-bars and to Fig.3-5 for mounting the bus-bars shield to the chassis.

  • Page 38: Connecting Single Loads, Local Sensing (Default)

    WARNUNG: Beim Einsatz eines Netzteils mit einer Nenn-Ausgangsspannung von mehr als 42.4V besteht Stromschlaggefahr. Schalten Sie die Stromversorgung mit einer Ausgangsspannung oberhalb 42.4VDC nicht auf EIN, ohne die vorhige Montierung eines Schutzes für die Ausgangssammelschiene bzw. Ausgangsbuchse. Stellen Sie sicher, dass der Schutz der Ausgangssammelschiene oder des Ausgangs aufgesetzt und angemessen montiert ist und dass der Schutz der Sammelschiene, mittels zweier SEMS-Schrauben, wie in Abb.

  • Page 39: Multiple Load Connection With Distribution Terminals

    Load lines, twisted pair, shortest length possible. Load#1 Power Supply Load#2 -Rem. sense -Local sense +Local sense Load#3 +Rem. sense Fig.3-8: Multiple loads connection, radial distribution, local sense 3.9.10 Multiple Load Connection with Distribution Terminals If remotely located output distribution terminals are used, the power supply output terminals should be connected to the distribution terminals by a pair of twisted and/or shielded wires.

  • Page 40: Local And Remote Sensing

    3.10 Local and Remote Sensing The rear panel J2 sense connector is used to configure the power supply for local or remote sensing of the output voltage. Refer to Fig.3-10 for sense connector location. 3.10.1 Sense Wiring WARNING: There is a potential shock hazard at the sense connector when using a power supply with an output voltage greater than 42.4V.

  • Page 41: Remote Sensing

    - Wire AWG: 24 up to 20 3.11 Repackaging for Shipment To ensure safe transportation of the instrument, contact the TDK-Lambda sales or service facility near you for Return Authorization and shipping information. Please attach a tag to the power supply describing the problem and specifying the owner, model number and serial number of the power supply.

  • Page 42: Chapter 4: Front/Rear Panel Controls And Connectors

    CHAPTER 4: FRONT/REAR PANEL CONTROLS AND CONNECTORS 4.1 Introduction The Z Power Supply series has a full set of controls, indicators and connectors that allow the user to set up and operate the unit. Before starting to operate the unit, please read the following sections for an explanation of the functions, controls and connector terminals.
  • Page 43 Control/Indicator Description Section AC Power Switch AC ON/OFF control 4 digit 7-segment LED display. Normally displays the output current. Current Display In preview mode, the display indicates the program setting of output current. 4 digit 7-segment LED display. Normally displays the output voltage. Voltage Display In preview mode, the display indicates the program setting of output voltage.

  • Page 44: Rear Panel Connectors

    4.3 Rear Panel Connectors Refer to Fig.4-2 and Table 4-2 for description of the Rear Panel connectors. Fig. 4-2: Rear panel connections Connection Description Section AC Input Connector IEC320-16 TYPE CONNECTOR DC output bus-bar Bus-bars for 10V to 100V models. Use M6 or 1/4” screws. 3.9.9 Analog Control and Connector for remote analog interface.
  • Page 45 WARNING: Terminals 7, 9 and 12 of J1 are connected internally to the negative sense(-S) potential of the power supply. Do not attempt to bias any of these terminals relative to the negative sense. Use the Isolated Programming interface option to allow control from a programming source at a different potential relative to the power supply negative.

  • Page 46: J1 Connector Terminal And Function

    4.3.1 J1 Connector Terminal and Function Control and monitoring signals are referenced to the negative sense potential (-S). Connector Technical Information: • Connector type: IPL1-106-01-S-D-RA-K, SAMTEC • Receptacle type: IPD1-06-D-K, SAMTEC • Contact pins: CC79R-2024-01-L, SAMTEC • Hand tool: CAT-HT-179-2024-11, SAMTEC •...

  • Page 47: J3 Connector Terminal And Function

    4.3.2 J3 Connector Terminal and Function Control and monitoring signals are isolated from the power supply output. Connector Technical Information • Connector type: IPL1-104-01-S-D-RA-K, SAMTEC • Receptacle type: IPD1-04-D-K, SAMTEC • Contact pins: CC79R-2024-01-L, SAMTEC • Hand tool: CAT-HT-179-2024-11, SAMTEC •...

  • Page 48: Front Panel Display Messages

    4.4 Front Panel Display Messages Table 4-5 shows the various messages that will be shown on the display in different operating modes. Display Text Text Description Display Text Text Description ABORT Abor MEMORY §MEMO ADDRESS AUTO[start] ATO bAD BAUD RATE ONCE ONCE BS...

  • Page 49: Navigating The Main Menu

    4.5 Navigating the Main Menu 4.5.1 Introduction The Main Menu consists of three levels: Subsystem, Function and Parameter. To enter the Menu press the Menu button. The Menu LED illuminates and the display shows the Subsystem Menu. Navigate by rotating the Voltage Encoder to scroll through the Subsystem list (first level). Repeat these actions to navigate the Functions list (second level).

  • Page 50: Navigating Communication Menu

    4.6 Navigating Communication Menu 4.6.1 Introduction The Communication Menu consists of two /three levels: Function level and Parameter level. To navigate the Communication Menu press REM button. The REM LED illuminates. The function menu item appears on the display. Navigate by rotating the Voltage Encoder to scroll the function level.

  • Page 51: Exiting The Communication Menu

    4.6.2 Exiting the Communication Menu There are three ways to exit from REM menu: 1. Press twice on REM button. REM LED turns OFF. Display shows present status of power supply. 2. Press and hold REM button 3sec. REM LED turns OFF. Display shows present status of power supply.

  • Page 52: Chapter 5: Local Operation

    CHAPTER 5: LOCAL OPERATION 5.1 Introduction This Chapter describes the operating modes that do not require programming and monitoring the power supply via its serial communication ports. USB or RS232/RS485 or by remote analog signals. Ensure that the REM/LOC LED on the front panel is Off, (indicating Local mode). If the REM/LOC LED is On, press the front panel REM/LOC button to change the operating mode to local.

  • Page 53: Automatic Crossover

    5.2.3 Automatic Crossover When the power supply operates in Constant Voltage mode, while the load current is increased to greater than the current limit setting, the power supply will automatically switch to Constant Current mode. If the load is decreased to less than the current limit setting, the power supply will automatically switch back to Constant Voltage mode.

  • Page 54: Alarms And Protective Functions

    5.3 Alarms and Protective Functions 5.3.1 Introduction There are several conditions that cause alarm (RED LED blinks). All alarms affect the output. When an alarm occurs, the respective fault will appear on the display and the alarm LED illuminates. It is possible that more than one fault (alarm) may be triggered but only the first will be shown on the display.

  • Page 55: Resetting The Ovp Circuit

    5.3.2.2 Resetting the OVP Circuit To reset the OVP circuit after activation: 1. Reduce the power supply Output Voltage setting below the OVP set level. 2. Ensure that the load and the sense wiring is connected properly. 3. Four methods to reset the OVP circuit. • Press OUT button.

  • Page 56: Setting The Foldback Protection

    5.3.4.1 Setting the Foldback Protection The Foldback can be set when the power supply output is Enabled (On) or Disabled (Off ). 1. Press PROT button. PROT (GREEN) LED illuminates. The “O“ message appears on the Voltage display. 2. Rotate Voltage Encoder until "FOD“ message appears on Voltage display. 3.

  • Page 57: Series Operation

    5.4 Series Operation Power supplies of the same model can be connected in series to obtain increased output voltage. Split connection of the power supplies gives positive and negative output voltage. 5.4.1 Series Connection for Increased Output Voltage Two units are connected so that their outputs are summed. Set the current limit of each power supply to the maximum that the load can handle without damage.

  • Page 58: Remote Programming In Series Operation

    5.4.3 Remote Programming in Series Operation Programming by external voltage: The analog programming circuits of this power supply are referenced to the negative Sense potential. Therefore, the circuits used to control each series connected unit must be separated and floated from each other.

  • Page 59: Parallel Operation

    5.5 Parallel Operation 5.5.1 Introduction Up to six units of the same Voltage and Current rating can be connected in parallel to provide up to six times the output current capability. One of the units operates as a master and the remaining units are slaves.

  • Page 60: Slave Unit Set Up

    5.5.2.2 Slave Unit Set Up When Slave mode is selected the power supply enters Current programming mode via external Voltage. Voltage and Current programming setting values are set to 105% of range. During operation the slave units operate as a controlled current source following the master output current. It is recommended that the power system is designed so that each unit supplies up to 95% of its current rating.
  • Page 61 Fig.5-5: Parallel operation with Remote sensing CAUTION: Make sure that the connection between - Vo terminals is reliable to avoid disconnection during operation. Disconnection may cause damage to the power supply. NOTE: With local sensing it is important to minimize the wire length and resistance. Also the positive and negative wire resistance should be as close as possible to each other to achieve current balance between power supplies.

  • Page 62: Advanced Parallel Operation

    5.5.3 Advanced Parallel Operation In Advanced Parallel operation the master unit displays the total current of all units connected in Parallel. The slave units display “O SE”. The master and slave units operate in a Daisy-Chain connection configuration. For further details about Daisy-chain connection refer to section 5.6. In the Advanced Parallel mode, the total current is programmed and reported by the master unit.

  • Page 63: Daisy-Chain Connection

    5.6 Daisy-Chain Connection It is possible to configure a multiple power supply system to shut down all units when a fault condition occurs in one of the units. When the fault is removed, the system recovers according to a preset state: Safe start mode or Automatic restart. Set signal “SO”...

  • Page 64: External Shut Off Function

    5.7.1 External Shut Off Function SO signal serves as Output Shut Off . It is an optically isolated signal from the power supply output. Connection to the signal is made via pin J3-5 (Shut Off ) and pin J3-7 (IFC_COM). The SO pin accepts a 2.5V to 15V signal or Open-Short contact to disable or enable the power supply output.

  • Page 65: Auxiliary Programmed Function Pin 1 And Pin 2

    Front Panel ILC Power Supply ILC Input Display Alarm LED Setting Output OFF - Default Open or Short Voltage/Current Open Blinking Short Voltage/Current Table 5-5: Interlock functions and settings CAUTION: To prevent possible damage to the unit, do not connect any of the Enable /Disable inputs to the positive or negative output potential.

  • Page 66: Power Supply Ok Signal

    5.7.4 Power Supply OK Signal PS_OK signal indicates fault condition in the power supply. It is a TTL signal output at J3-2, referenced to IF_COM at J3-7 (Isolated Interface Common). When a fault condition occurs, PS_OK level is low, with maximum sink current of 1mA. When no fault condition occurs, PS_OK level is high with maximum source current of 2mA.

  • Page 67: Parameter Setting Memory

    5.9 Parameter Setting Memory Power Supply has four memory configuration modes: Subsystem Function Parameter Display Display Display Description Level Level Level SAVE 1…4 Save setting in non violate memory SAE 1...4 RECALL 1…4 Recall setting in non violate memory REC 1...4 Memory MEMo...

  • Page 68: Save <1

    5.9.4 Save <1..4> This command saves the present state of the power supply to a specified location in memory (refer to Table 5-7). Up to 4 states can be stored. Storage locations 1 through 4 are in nonvolatile memory. Save Front panel setting: 1.
  • Page 69 Parameter Factory Default Resetting Last setting Save & Recall Output Status Voltage Set-point Current Set-point Fold Back mode Over Voltage Protection Under Voltage Level/ OFF (UVL) OFF (UVL) Protection mode Under Voltage Level/ Protection level Auto Start Mode SAFE SAFE Control pin 1 High High...

  • Page 70: Chapter 6: Remote Analog Programming

    CHAPTER 6: REMOTE ANALOG PROGRAMMING 6.1 Introduction The Rear Panel connector J1 allows the user to program the power supply output voltage and current limit with an analog device. J1 also provides monitoring signals for output voltage and output current. The programming range and monitoring signals range can be selected between 0-5V or 0-10V using the Front Panel Menu Subsystem Level.

  • Page 71: Remote Voltage Programming Of Output Voltage And Current

    6.4 Remote Voltage Programming of Output Voltage and Current Remote Programming settings are as follows: 1. For Voltage Analog Programming wiring refer to Fig.6-1. 2. Short pins J1-1 to J1-7. 3. Press MENU button. MENU (GREEN) LED illuminates. “Set” message appears on Voltage display. 4.

  • Page 72: Remote Resistor Programming Of Output Voltage And Output Current

    6.5 Remote Resistor Programming of Output Voltage and Output Current For resistive programming, internal current sources, for output voltage and/or output current control, supply 1mA current through external programming resistors connected between J1-6 & J1-12 and J1-5 & J1-11, J7 . The voltage across the programming resistors is used as a programming voltage for the power supply.

  • Page 73: Programming Monitoring Of Output Voltage (V_Mon) And Current (I_Mon)

    NOTES: In Remote analog mode: the output voltage cannot be set by the VOLTAGE Encoder. The output voltage limit is set to 5% over the model-rated maximum value. The output Current limit is set by the Current encoder to 5% over the model-rated maximum value. The power supply will operate within the extended range, however it is not recommended to operate the power supply over its voltage and current rating and performance is not guaranteed.

  • Page 74: Chapter 7: Serial Rs232/Rs485 And Usb Interface

    CHAPTER 7: Serial RS232/RS485 and USB Interface 7.1 Introduction This chapter describes the set-up, operation, commands and communication protocol of Z power supplies via serial communication interfaces: RS232, RS485 or USB. 7.2 Configuration Parameter Function Level Display Display Description Level 45 It...

  • Page 75: Baud Rate Setting

    7.2.4 Baud Rate Setting Seven optional rates are possible: 1200, 2400, 4800, 9600, 19200, 38400, 57600. 1. Press REM button. The REM LED illuminates. “I t” message appears on the Voltage display. 2. Rotate Voltage Encoder until Voltage display shows “b d”. 3.

  • Page 76: Rear Panel Rs232/485 Connector

    7.3 Rear Panel RS232/485 Connector The RS232/485 interface is accessible through the Rear panel RS232/485 IN and RS485 OUT connectors. The connectors are 8 contact RJ-45. The IN and OUT connectors are used to connect power supplies in a RS232 or RS485 chain to a controller. Refer to Fig.7-1 for IN/OUT connectors. Shield (Connector enclosure) NC 8...

  • Page 77: Connectig Power Supply To Rs232 Or Rs485 Bus

    7.4 Connectig Power Supply To RS232 Or RS485 BUS Connect rear panel IN connector to the controller RS232 or RS485 port using a suitable shielded cable. Refer to Figures 7-2, 7-3 and 7-4 for available RS232 and RS485 cables. Socket 08-25 CONNECTOR 8 PIN CONNECTOR REMARKS...

  • Page 78: Rear Panel Usb Connector

    7.5 Rear Panel USB Connector A standard USB Series B device connector is located on Rear panel for USB control. Refer to Fig.7-5 and Table 7-2. Designator Description VBUS +3.3 VDC Data - Data + Interface com Fig.7-5: USB Connector Table 7-2: USB connector pin out 7.5.1 USB Getting Started USB Cable...

  • Page 79: Gen Protocol (Gen Series Communication Language)

    NOTES: RS485 RS232/485 RS485 RS485 It is recommended when using ten or more power supplies in Daisy-chain system to connect 120Ω resistive termination at the last unit’s RS-485 out connector RS485 120Ω, 0.5W between TXD+ and TXD-. 120 OHM 120Ω, 0.5W between RXD+ and RXD-. L=0.5m typ.

  • Page 80: Gen Command Set Description

    Error Code Description Returned when program voltage (PV) is programmed above acceptable range. Example: PV value is above '105% of supply rating' or 'PV above 95% of OVP setting' . Returned when programming output voltage below UVL setting. Returned when OVP is programmed below acceptable range. Example: OVP value is less than '5% of supply voltage rating' plus 'voltage setting' .

  • Page 81: Initialization Commands

    7.8.4 Initialization Commands Command Description ADR n ADR is followed by address which can be 1 to 31 and is used to access the power supply . Clear status. Sets FEVE and SEVE registers to zero (Refer to section 7.11). Reset command.
  • Page 82 Command Description Turns the output to ON or OFF. Recover from Safe-Start, OVP or FLD fault. OUT 1 (or OUT OUT n ON)-Turn On. Returns the output On/Off status string. OUT? ON- output on. OFF- output off. Sets the Foldback protection to ON or OFF. FLD 1 (or FOLD ON) - Arms the Foldback protection.

  • Page 83: Global Output Commands

    7.8.6 Global Output Commands General Global commands can be received by all power supplies connected to the BUS, without individual address commands. All power supplies will execute the command immediately. There is no acknowledgment back to the PC when using global commands. A delay must be set of 20msec after each global command.

  • Page 84: Auxiliary Commands

    Model Minimum (A) Maximum (A) Model Minimum (A) Maximum (A) 10-20 00.00 20.00 10-40 00.00 40.00 20-10 00.00 10.00 20-20 00.00 20.00 36-6 0.000 6.000 36-12 00.00 12.00 60-3.5 0.000 3.500 60-7 0.000 7.000 100-2 0.000 2.000 100-4 0.000 4.000 Table 7-6: Z200 models Current programming range Table 7-7: Z400 models Current programming range NOTE:...

  • Page 85: Status Commands

    7.8.8 Status Commands Refer to section 9.3.1, 9.3.2 for Register definitions. Command Description Reads the complete power supply status. Returns ASCII characters representing the following data, separated by commas: MV<actual (measured) voltage> PC<programmed (set) current> STT? PV<programmed (set) voltage> SR<status register, 4-digit hex> MC<actual (measured) current>...

  • Page 86: Serial Communication Test Set-Up

    7.9 Serial Communication Test Set-Up Basic set-up to test serial communication operation. 1. Equipment: PC with Windows Hyper Terminal, private edition, software installed, Z power supply, RS232 cable. 2. PC set-up: 2.1 Open Hyper Terminal.......New Connection. 2.2 Enter a name 2.3 Connect to........Direct to Com1 or Com 2 2.4 Configure port properties: Bits per second ..9600...

  • Page 87: Checksum

    7.10.4 Checksum The user may optionally add a checksum to the end of the command. The checksum is "$" followed by two hex characters. If a command or a query has checksum, the response will also have one. There is no CR between the command string and the "$" sign. 7.10.5 SCPI Requirements The power supply conforms to the following SCPI requirements: 1.

  • Page 88: Data Formats

    7.10.8 Data Formats Data Formats Description Digits with an implied decimal point assumed at the right of the least-significant digit. <NR1> Examples: 256 <NR2> Digits with an explicit decimal point. Example: .0253 <NR3> Digits with an explicit decimal point and an exponent. Example: 2.73E+2 <Nrf>...
  • Page 89 Identification query. Returns an identification string in the following format: ‘Manufacturer, Model, Serial number, Firmware level’ . Meaning and Type Identification System Interface Query Syntax *IDN? Field Information TDK-Lambda Manufacturer Model Returned Parameters <Vrating>-<Irating> Model ratings 25B1234 Serial number, typically 7 alpha-numeric characters 3.0-C1 Revisions, <Main firmware>–<LAN/IEEE firmware> Example TDK-Lambda,Z20-30,25B1234, 1.0-C1...
  • Page 90 *OPC Operation Complete command. Sets the Operation Complete bit in the Standard Event Status Register if all commands and queries are completed. Meaning and Type Operation Complete Device Status Command Syntax *OPC Parameters None *OPC? Operation Complete query. Returns ASCII ‘1’ as soon as all commands and queries are completed. Meaning and Type Operation Complete Device Status...
  • Page 91 *RCL n Restores the power supply to a state previously stored in memory by *SAV command. Refer to Table 5-7. Meaning and Type Recall Device State Command Syntax *RCL <NR1> Parameters 1 to 4 Query Commands *RCL 3 Query Syntax None *RST This command resets the power supply to a defined state as shown in Table 5-7.
  • Page 92 *STB? Status Byte query. Returns the contents of the Status Byte Register. Meaning and Type Status Byte Device Status Query Syntax *STB? Returned Parameters <NR1> (Register binary value) Bit Position Condition OPER QUES (RQS) Bit Weight ESB = Event status byte summary; M = Message available MSS = Master status summary;...

  • Page 93: Scpi Subsystem Commands

    7.12 SCPI Subsystem Commands Subsystem commands are specific to power supply functions. They can be a single command or a group of commands. Groups are comprised of commands that extend one or more levels below the root. Commands followed by a question mark (?) take only the query form. Except as noted in the syntax descriptions, all other commands take both the command and query form.
  • Page 94 OUTPut:PON[:STATe] • AUTO - The power supply output will return to its previous value when the latching fault condition is removed or to the stored value after AC recycle. • SAFE - The power supply output will remain Off after the fault condition is removed or after AC recycle.
  • Page 95 OUTPut:PROTection:DELay Sets the delay time between the programming of an output change that produces a CV or CC status condition. This command applies to UVP and Foldback functions. SCPI Command Syntax OUTPut:PROTection:DELay <NRf+> GEN Command Syntax Parameters 0.1 to 25.5|MIN|MAX (step 0.1s) Unit S (second) *RST Value...

  • Page 96: Instrument Subsystem

    OUTPut:RELay1(2):STATe Sets pin J3-1 (1) and J3-6 (2) state. The ON parameter is according to low level. SCPI Command Syntax OUTPut:RELay1(2)[:STATe] <bool> GEN Command Syntax REL1(2) <bool> Parameters 0|OFF 1|ON *RST Value Examples OUTP:REL1(2) 1 OUTP:REL1(2) ON Query Syntax OUTPut:REL1(2)[:STATe]? Returned Parameters OUTPut:MODE? Returns the power supply to operation mode.

  • Page 97: Voltage Subsystem

    7.12.3 Voltage Subsystem VOLTage [:LEVel] [:IMMediate] [:AMPLitude] <NRf+> Set output voltage :TRIGger <NRf+> Set voltage value for trigger pending :PROTection [:OVER] <NRf+> Set OVP value : LOW :STATe <CRD> Set UVP|UVL mode :[LEVel] <NRF+> Set UVP|UVL value :CLEar :MODE <CRD> Select arbitrary trigger control mode VOLTage Sets the output voltage value in Volts.
  • Page 98 NOTE: VOLT:MODE LIST and WAVE is an implied ABORT command. WAVE mode cannot be programmed simultaneously for both Voltage and Current. Only the last sent command can be accepted as WAVE. Previous mode reverts to NONE. VOLTage:PROTection:LEVel Sets the OVP level. The OVP setting range is given in Table 7-8. The number of characters after OVP is up to 12.

  • Page 99: Current Subsystem

    VOLTage:PROTection:LOW Sets the over voltage protection (UVP) level of the power supply. SCPI Command Syntax [SOURce]:VOLTage:PROTection:LOW <NRf+> GEN Command Syntax UVL < NRf+> , UVP < NRf+> Default Suffix *RST Value Examples VOLT:UNDer:PROT 2.5 VOLT:UNDer:PROT:LEV MAX [SOURce]:VOLTage:PROTection:LOW [:LEVel]? Query Syntax VOLT:PROT:LOW? MIN;...
  • Page 100 CURRent Sets the output current value in Amperes. The range of current values are described in Tables 7-4 and 7-5. The maximum number of characters is 12. SCPI Command Syntax [SOURce]:CURRent[:LEVel] [:IMMediate][:AMPLitude] <NRf+> GEN Command Syntax PC <NRf+> PC? Default Suffix *RST Value Examples CURR 500 MA CURR:LEV .5...

  • Page 101: Measure Subsystem

    7.12.5 Measure Subsystem This subsystem reads the actual voltage and current. The power is a result of multiplying voltage and current measurements. MEASure :CURRent[:DC]? :VOLTage[:DC]? :POWer[:DC]? MEASure:CURR? Reads the measured output current. Returns a 5 digit string. SCPI Command Syntax MEASure:CURRent? GEN Command Syntax Parameters...

  • Page 102: Initiate Subsystem

    DISPlay:STATus Turns front panel voltage and current display toggle On or Off. SCPI Command Syntax DISPlay[:WINDow]:STAT <bool> GEN Command Syntax none Parameters 0|OFF 1|ON Examples DISP:STAT 1 DISP:STAT OFF Query Syntax DISPlay[:WINDow]:STAT? Returned Parameters 0 |1 DISPlay:FLASh Makes front panel voltage and current displays flash. SCPI Command Syntax DISPlay[:WINDow]:FLASh <bool>...

  • Page 103: List Subsystem

    INITiate:CONTinuous • INIT:CONT 0 - Enables the trigger subsystem only for a single trigger action. The subsystem must be enabled prior to each subsequent trigger action. • INIT:CONT 1 - Trigger system is continuously enabled and INIT is redundant. SCPI Command Syntax INITiate:CONTinuous <bool>...
  • Page 104 LIST:CURR Specifies the output current points in a list. The current points are given in the command parameters, which are separated by commas. SCPI Command Syntax [SOURce]:LIST:CURRent <NRf+> {,<NRf+>} Default Suffix Examples LIST:CURR 2.5,3.0,3.5 LIST:CURR MAX,2.5,MIN up to 12 parameters Query Syntax LIST:CURRent Returned Parameters...

  • Page 105: Status Subsystem

    LIST:VOLT Specifies the output voltage points in a list. The voltage points are given in the command parameters, which are separated by commas. SCPI Command Syntax [SOURce]:LIST:VOLTage <NRf+> {,<NRf+>} Default Suffix Examples LIST:VOLT 2.0,2.5,3.0 LIST:VOLT MAX,2.5,MIN up to 12 parameters Query Syntax LIST:VOLT? Returned Parameters...
  • Page 106 STATus:OPERational:CONDition? Returns the value of the Condition register, which is a read-only register that holds the real-time (unlatched) operational status of the power supply. SCPI Command Syntax STATus:OPERation:CONDition? GEN Command Syntax STAT? Parameters None Returned Parameters <NR1> (Register Value) decimal Examples STAT:OPER:COND? STATus:OPERational:ENABle...

  • Page 107: System Subsystem

    STATus:QUEStionable:ENABle Sets the value of the Enable register. This register is a mask for enabling specific bits from the Condition register to the Event register. SCPI Command Syntax STATus:QUEStionable:ENABle <NRf> GEN Command Syntax FENA nnnn Parameters 0 to 32727 Returned Parameters <NR1>...
  • Page 108 SYSTem:LANGuage SCPI Command Syntax SYSTem:LANGuage GEN GEN Command Syntax LANG SCPI Parameters Returned Parameters <CRD> Example SYST:LANG? SYSTem:REMote Sets the power supply to local or remote mode. SCPI Command Syntax SYSTem:REMote[:STAte] <CRD> GEN Command Syntax Parameters LOC/0|RMT/1|LLO/2 *RST Value Examples SYST:REM RMT Query Syntax SYST:REM?

  • Page 109: Trigger Subsystem

    7.12.11 TRIGger Subsystem TRIGger [:START] Run trigger DELay <NRf+> Set trigger delay :SOURce <CRD> Set trigger source NOTE: The Trigger subsystem must be enabled from the Initiate subsystem or no triggering action will occur. TRIGger When the Trigger subsystem is enabled, TRIG generates an immediate trigger signal that bypasses selected TRIG:DEL.

  • Page 110: Wave Subsystem

    7.12.12 WAVE Subsystem [SOURce] :WAVE :COUN <NRf> :CURR <NRf> :LOAD <NR1> :STEP :STORe <NR1> :TIME <NRf> :VOLT <NRf+> This subsystem receives parameters to create a sloped waveform of the output voltage or current. WAVE:COUN Sets the number of times that the list is executed before it is completed. The command accepts parameters in the range 1 through 9999.
  • Page 111 WAVE:STEP • WAVE:STEP AUTO - When triggered, creates waveforms consecutively, until the count is completed. • WAVE: STEP ONCE - When triggered, creates a waveform one time only. SCPI Command Syntax [SOURce]WAVE:STEP AUTO|ONCE Examples WAVE:STEP AUTO Query Syntax [SOURce]:WAVE:STEP? Returned Parameters AUTO | ONCE WAVE:STORe Stores Voltage or Current, Time, STEP parameter and counter values to specific location in the...

  • Page 112: Global Subsystem

    7.12.13 Global Subsystem Global Commands General • Power supplies acting upon Global Commands need not be a currently addressed supply. • All power supplies attached to the Interface must be capable of accepting Global Commands. • No messages, OPC or Not Busy will be returned to the HOST PC after a Global Command has been issued.

  • Page 113: Chapter 8: Advanced Functions

    CHAPTER 8: ADVANCED FUNCTIONS 8.1 Introduction This chapter describes the advanced functions of output programmable modes. The are three programmable modes: FIX, WAVE and LIST. The user can program the output transient state. The programmable modes are synchronized by input trigger (refer to section 8.5.1). According to the selected mode, the power supply activates the output trigger on J3-3 (refer to section 8.5.2).

  • Page 114: List Mode

    8.3 LIST Mode Output change value in step determined by parameters in the LIST subsystem via input trigger. Refer to section 7.12.8 Fig.8-3: Simplified Models of LIST Mode 0.01sec Trig Initated INIT:IMM (Wait Trigger) Trigger Event 0.02s TRIG:DEL 0.02 (Step Started) DWELL 0.05s 0.06s...

  • Page 115: Wave Mode

    8.4 WAVE Mode Output change value in slope determined by parameters in the WAVE subsystem via input trigger. Refer to section 7.12.12. Fig.8-5: Simplified Models of Trigger in WAVE Mode 0.01sec Trig Initated INIT:IMM (Wait Trigger) Trigger Event 0.02s TRIG:DEL 0.02 (Step Started) TIME 0.03s...

  • Page 116: Trigger

    8.5 Trigger 8.5.1 Input Trigger Trigger source can be set via: • BUS - Command (Refer to section 7.11 *TRG, 7.12 TRIGger) or Front Panel. • EXT - Rear panel connector J3-8 (Refer to section 4.3.2). Input Trigger source setting via Front Panel: 1.

  • Page 117: Wave Execution Via Communication Pc

    8.6.2 Wave Execution via Communication PC 1. Load stored data Insert communication command ( Example: WAVE:LOAD 2 ) 2. Set COUNTER (How many times program will be repeated if STEP in AUTO mode). Insert communication command ( Example: WAVE:COUN 2 ) 3.
  • Page 118 Subsystem Display Function Level Display Parameter Level Display Description Level INIT iit Initialization INIT (Refer to command INIT) iNiT TRIG ready for trigger. TriG refer to command Continue CoNT INIT:CONT di BUS (via Software Trigger B refer to command or front Panel), IN (input tr.I...

  • Page 119: Chapter 9: Status, Fault And Srq Registers

    CHAPTER 9: STATUS, FAULT AND SRQ REGISTERS 9.1 General This section describes various status errors (faults) and SRQ register structures. The registers can be read or set via the RS232/485/USB commands. Refer to Fig.9-1 for the Status and Fault Registers Diagram. Fault Registers Syst:Err Queue Condition...

  • Page 120: Power Supply Status Structure

    9.2 Power Supply Status Structure Status and Fault Register shows the status register structure of the power supply. The Standard Event, Status Byte, and Service Request Enable registers and the Output Queue perform standard functions as defined in the IEEE 488.2 Standard Digital Interface for Programmable Instrumentation. The Operation Status and Questionable Status registers implement status functions specific to the power supply.

  • Page 121: Conditional, Enable And Event Registers

    9.3.2 Status Register The status register sets a bit when status changes (Refer to Table 9-2). The bit is cleared when the condition is removed. Bit Number Decimal Value Bit Symbol Description Set high if Constant Voltage Operation Set high if Constant Current Operation No fault Trigger wait Auto Start Enabled...

  • Page 122: Standard Event Status Group

    9.6 Standard Event Status Group 9.6.1 Register Functions This group consists of an Event register and an Enable register that are programmed by COMMON commands. The Standard Event register latches events relating to interface communication status. It is a read-only register that is cleared when read. The Standard Event Enable register functions similarly to the Enable registers of the Operation and Questionable status groups.

  • Page 123: Status Byte Register

    9.6.3 Status Byte Register This register summarizes the information from all other status groups as defined in the IEEE 488.2 Standard Digital Interface for Programmable Instrumentation standard. The register can be read either by a serial poll or by *STB?. Both methods return the same data, except for bit 6. Sending *STB? return MSS in bit 6, while polling returns RQS in bit 6.

  • Page 124: Output Queue

    9.6.5 Output Queue The Output Queue is a first-in, first-out (FIFO) data register that stores power supply-to-controller messages until the controller reads them. Whenever the queue holds one or more bytes, it sets the MAV bit (4) of the Status Byte register. If too many unread error messages are accumulated in the queue, a system error message is generated.
  • Page 125 Error Error Description Error Event Number “No Error” No Error Reported -100 “Command Error” Unit Receives Command With Unspecified Error. -101 “Invalid Character” A Character Was Received That Is Not: A-Z, A-Z, 0-9, ?, *, :, ;, Period, Space, CR, LF. IEEE Receives Command Parameter With Wrong Type Of Data.

  • Page 126: Chapter 10: Isolated Analog Programming Option

    CHAPTER 10: ISOLATED ANALOG PROGRAMMING OPTION 10.1 Introduction Isolated Analog Programming is an internal option card for analog programming of the Z Power Supply series. The option is factory installed and cannot be obtained with GPIB (IEEE) Interface. Output Voltage and Current Limit can be programmed and readback through optically isolated signals which are isolated from all other ground references in the power supply.

  • Page 127: Isolated Programming & Monitoring Connector

    10.3 Isolated Programming & Monitoring Connector Refer to Table 8-1 for detailed description of the Rear Panel Isolated Programming & Monitoring connector. To provide the lowest noise performance, it is recommended to use shielded-twisted pair wiring. Refer to Fig.8-1 for description of the connector. Isolated programming plug P/N: MC1.5/8-ST-3.81, Phoenix.

  • Page 128: Setup And Operating Instructions

    10.4 Setup and Operating Instructions CAUTION: To prevent damage to the unit, do not program the output voltage and current to higher than the power supply rating. 10.4.1 Setting Up Power Supply for 0-5/0-10V Isolated Programming and Monitoring Perform the following procedure to configure the power supply: 1.

  • Page 129: Chapter 11: Maintenance

    CHAPTER 11: MAINTENANCE 11.1 Introduction This chapter provides information about maintenance, calibration and troubleshooting. 11.2 Units Under Warranty Units requiring repair during the warranty period should be returned to a TDK Lambda authorized service facility. Refer to the address listings on the back cover of this manual. Unauthorized repairs performed by other than the authorized service facilities may void the warranty.

  • Page 130: Fuse Rating

    SYMPTOM CHECK ACTION REF. Check continuity, replace Is the AC power cord defective? if necessary. No output. All displays and indicators are blank. Is the AC input voltage Check input AC voltage. within range? Connect to appropriate voltage source. Output is present momentarily Does the AC source voltage sag Check input AC voltage.
  • Page 131 11.1 Einleitung Dieses Kapitel liefert Informationen über Wartung, Kalibrierung und Fehlersuche. 11.2 Reparaturen während der Garantie Sollte ein Gerät innerhalb der Garantiezeit ausfallen, so dürfen Reparaturen nur durch Lambda oder autorisierte Servicestellen durchgeführt werden. Die Adressen finden Sie am Ende dieses Handbuches.
  • Page 132 Symptom Prüfung Tätigkeit Ref. Ist das Netzkabel defekt? Falls erforderlich, Netzkabel ersetzen. Keine Ausgangsspannung. Displays und Anzeigen sind Ist die Netzspannung innerhalb Netzspannung prüfen, Gerät an passende dunkel. des Eingangsbereiches? Versorgungsspannung anschließen. Ausgangsspannung liegt Bricht die Netzspannung kurzfristig an, schaltet aber Netzspannung prüfen, Gerät an passende zusammen, wenn am Ausgang sofort wieder ab.

  • Page 133: User Manual Index

    USER MANUAL INDEX ac cables humidity 18,20 safe start ac fail hyper terminal safety accessories SCPI acknowledge series operation address shield Identification Commands Auto-Restart shut off 52,58 initialization specifications 17,19,120 installation backspace isolated status command baud rate subsystem last setting memory calibration linking cable...
  • Page 134 NOTES...
  • Page 135 NOTES...
  • Page 136 NOTES...
  • Page 137 NOTES...
  • Page 138 Tel: +81-3-5201-7175 www.us.tdk-lambda.com/lp Fax: +81-3-5201-7287 www.tdk-lambda.com CHINA TDK-Lambda UK Ltd. Shanghai Branch of Wuxi TDK-Lambda Electronic Co. Ltd. Kingsley Avenue Ilfracombe, Devon EX 34 8ES United Kingdom 28F, Xingyuan Technology Building No.418, Guiping Road, Tel: +44-1271-856666 Fax: +44-1271-864894 Shanghai, China 200233 Tel: +86-21-6485-0777 Fax: +86-21-6485-0666 E-mail: powersolutions@uk.tdk-lambda.com...

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