BK Precision XLN15010 User Manual
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BK Precision XLN15010 User Manual

High power programmable dc power supply
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Model: XLN15010, XLN30052, XLN60026
High Power Programmable DC
Power Supply
USER MANUAL

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Summary of Contents for BK Precision XLN15010

  • Page 1 Model: XLN15010, XLN30052, XLN60026 High Power Programmable DC Power Supply USER MANUAL...
  • Page 2 Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation, service, and repair of this instrument. Before applying power, follow the installation instructions and become familiar with the operating instructions for this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument.
  • Page 3 DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRUMENT Do not install substitute parts or perform any unauthorized modifications to this instrument. Return the instrument to B&K Precision for service and repair to ensure that safety features are maintained. WARNINGS AND CAUTIONS WARNING and CAUTION statements, such as the following examples, denote a hazard and appear throughout this manual.
  • Page 4 Store/ Maintain Storage When this device is not in use, properly package it and store it in an environment suitable for storage (if present in a good preserving environment, the packaging process can be waived). Freight While moving this product, move it by using the original packaging to pack this product in advance.

  • Page 5: Table Of Contents

    Table of Contents 1. Introduction ............5 Product Summary ............. 5 Features ................5 Specifications..............7 Package Contents .............. 9 Environmental Conditions ..........10 Storage ................10 Installing Rackmount Brackets ........11 Removing Protective Covers .......... 12 Connecting AC Input ............13 1.10 Fuses ................
  • Page 6 Overvoltage Protection OVP .......... 32 Overcurrent Protection OCP ........... 33 Overpower Protection OPP ..........33 Voltage Output ..............33 2.10 Control Voltage Output with Rotary knob ...... 33 2.11 Timer Function ............... 34 2.12 Parallel Mode Setting ............. 34 2.12.1 Error Message of Parallel Connection ........36 2.13 External Analog Interface ..........
  • Page 7 4. Remote Communication ........61 Interface Connection ............61 Parameters Definition ............. 66 The Error/Event List ............67 Remote Communication Protocol ........69 SCPI Conformity Information ........72 4.5.1 Common SCPI commands ............72 4.5.2 SCPI Command subsystem............73 State Bit Definition ............84 Multi-Unit Programming Commands ......

  • Page 8: Introduction

    Optionally, users can also add LAN and GPIB interface capability (-GL versions). Features 1) Output Voltage & Current Voltage output range: 5 – 150 V (XLN15010) 5 – 300 V (XLN30052) 5 – 600 V (XLN60026) Current output range: 0.04 – 10.4 A (XLN15010) 0.02 –...
  • Page 9 The parallel connection mode of two or more units (maximum 4 units) significantly increases the combined output power to a maximum of 6240 W. For example, in parallel connection mode withfour XLN15010, the maximum output is 150 V/41.6 A. 8) Multi-unit connection mode The RS 485 interface can be used to connect multiple power supplies in series, up to maximum of 31 units.

  • Page 10: Specifications

    Note: All specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature range of 23 °C ± 5 °C. Specifications are subject to change without notice. Specifications Models XLN15010 XLN30052 XLN60026 Output Rating Output Voltage 5 – 150 V 5 –...
  • Page 11 Programming and Readback Accuracy (% output+offset) Voltage 0.05 %+75 mV 0.05 %+150 mV 0.05%+300mV Current 0.1 %+30 mA 0.1 %+15.6 mA 0.1%+7.8mA General ≤ 2 ms ≤ 2 ms ≤ 2 ms Transient Response Time ≥ 80 % ≥ 80 % ≥...

  • Page 12: Package Contents

    Report any damage to the shipping agent immediately. Save the original packing carton for possible future reshipment. Every power supply is shipped with the following contents: • XLN15010/XLN30052/XLN60026 Power supply • User Manual • AC power cord •...

  • Page 13: Environmental Conditions

    Environmental Conditions Do not locate or operate this product in an environment with dust, vibration, or corrosive gas and do not expose this product directly to the sunlight. Operate it in an environment with temperature 0--40 & relative humidity 20%--80%. Pause the operation when ambient temperature is over 40 C;...

  • Page 14: Installing Rackmount Brackets

    Installing Rackmount Brackets The power supply is designed to fit in a space of one rack unit (1U) and can be mounted in a standard 19-inch rack panel or cabinet. Rack mount brackets must be assembled before mounting the unit in a rack. Refer to the following figure to assemble the rack mount brackets.

  • Page 15: Removing Protective Covers

    Removing Protective Covers Output Protection Covers Safety regulation requests protective cover when the output voltage is higher than 45 VDC. Therefore, there are protective covers for the output connector of the power supply. Refer to the following figure for the assembly/disassembly of the output protective cover.

  • Page 16: Connecting Ac Input

    Step 2 Step 1 Step 3 Step 5 Step 4 Connecting AC Input The power supply’s AC input is rated for 100 V – 240 V, with frequency of 47 Hz – 63 Hz. Before connecting to an external AC power source, be sure that the power switch is in the OFF state and use the supplied power cord assembly.
  • Page 17 to the screw holes on the power supply. 3. Use only the included screws to fasten and secure the cable housing assembly Warning: The power cord supplied with this product is certified for safety. In case the supplied cable assembly needs to be replaced, or an extension cable must be added, be...
  • Page 18 Warning: The power cord supplied with this product is certified for safety. In case the supplied cable assembly needs to be replaced, or an extension cable must be added, be sure that it can meet the required power ratings of this product.

  • Page 19: Fuses

    1.10 Fuses This product is a switching mode power supply. The fuse installed inside should not break under normal operation. In case the fuse is blown, it may indicate a malfunction in the unit. In this event, contact B&K Precision. Warning: Any disassembling of the casing or changing the fuse not performed by an authorized service technician will void...
  • Page 20 voltage is within the specified range.

  • Page 21: Front Panel Operation

    Front Panel Operation Front Panel Overview 3 4 5 XLN60026 600V / 2.6A 1.56kW Programmable DC Power Supply 14 13 Power switch: Turns on the main power to the power supply. Display: 192x32 Graphic LCD Module Current setting Press to set up the current limit. Voltage setting Press to set up the output voltage.
  • Page 22 back to previous menu options or exit the menu. Numerical keys They are used to directly input the voltage or current value or choose a setting option in the menu. Down/Right/Store This key is a multi-function key for the following three functions: Down: When in the menu settings, use this “Down”...
  • Page 23 (12) Rotary knob: Use this knob to adjust voltage or current when the output is ON (press first to let cursor display first). (13) Enter This key is used to confirm any changes to the settings within the menu or the voltage and current setting value. (14) Mem Press this key to access the instrument settings memory location.

  • Page 24: Menu Settings And Configuration

    Menu Settings and Configuration 1 . SYSTEM SETTING 2 . OUTPUT SETTING 3 . PROTECTION LL L 7 . TIMER CONTROL 8 . CALIBRATION 9 . CHAIN SETTING SYSTEM SETTING: Pressing key in the first page of Menu Setting will enter the following “SYSTEM SETTING”...
  • Page 25 *USB control requires installing USB drivers first. Download USB driver from www.bkprecision.com *USB interface is a virtual COM port. The settings are: Baudrate : 57600 bps Data bit Parity check : none Stop bit *When entering the Remote mode, the screen will present RMT indicator as shown in the following picture.
  • Page 26 RECALL DEFAULT: Restores manufacturer default settings While exiting the setting screen after enabling KEY KEY LOCK: LOCK, all keys except the key are locked. Only this key can disable KEY LOCK. *Simultaneously pressing both keys in the main screen can also lock keys. *While entering KEY LOCK state, the display will show an LCK indicator in the bottom right corner.
  • Page 27 CURR SLEW RATE = 0.0520 A/mS Upper limit of the output voltage setting VOLT LIMIT MAX: XLN15010 – 150.5 V max. XLN30052 – 300.5 V max. XLN60026 – 600.5 V max. CURR LIMIT MAX: Upper limit of the output current setting XLN15010 –...
  • Page 28 XLN15010 – 0.01 – 1 V/ms XLN30052 – 0.01 – 3.3 V/ms XLN60026 – 0.01 – 6.6 V/ms Current ascending/descending slope CURR SLEW RATE: XLN15010 – 0.001 – 0.104 A/ms XLN30052 – 0.001 – 0.052 A/ms XLN60026 – 0.001 – 0.026 A/ms...
  • Page 29 from CC to CV mode PARALLEL SETTING Press in the second screen of the menu to enter PARALLEL menu. ON/OFF: Enables or disables the parallel mode. Refer to “Parallel Setting” section for MASTER/SLAVE: the detailed setting procedure to use MASTER/SLAVE mode. Note: Up to four power supplies of the same models may be connected in parallel.
  • Page 30 FUNCTION menu. PROGRAM MODE: Press to enter the PROGRAM MODE screen. This mode allows the user to run list mode (sequences) that are stored within the internal program mode memory. Prior to using this function, the user needs to edit the list steps through the USB or GPIB interface and load it into a program memory location.
  • Page 31 Users can enable/disable external control in this menu option. An external voltage source (VOLT) or resistor (RES) can be used to control the output voltage and current. The external voltage/resistance can be either 0 - 10V/0 - 10K (10V/10K) or 0 - 5V/0 - 5K (5V/5K).
  • Page 32 page. CHAIN ON/OFF: On/Off Series Connection Mode CHAIN ADDRESS: Setting Address (1 – 30) Multi-unit For detailed setting information, please refer to “ Connection Mode (RS485) ” section.

  • Page 33: Rear Panel Overview

    Rear Panel Overview (16) LAN (Ethernet) Interface: RJ-45 LAN connector for remote communication. (17) GPIB Interface: GPIB connector for remote communication. (18) Main Output (+ + - -): The main output of the power supply. (19) Earth connection: Used for earth ground connection. (20) USB Interface: USB interface for remote communication.
  • Page 34 (-S) and negative lead (-) of the DC output are connected to the negative end (-) of the device under test. This connection will compensate the voltage dropped due to current flow through long power wires (the maximum compensation voltage is 2 V or 5 V depending on the model). (24) AC power input: The power receptacle is rated for a power input within 100 VAC - 240 VAC.

  • Page 35: Operation Instructions

    Operation Instructions Voltage Setting Press and set the output voltage by pressing the numerical keys directly, and then press to confirm the setting. Current Setting Press and set the output current (current limit) by pressing the numerical keys directly and then press to confirm the setting.

  • Page 36: Overcurrent Protection Ocp

    Overcurrent Protection OCP Press to enter the “Configuration” menu and press to enter the PROTECTION setting screen. Then, use the knob to set OCP to ON and press to confirm it. Now the cursor will move to the value setting for the OCP on the right hand side.

  • Page 37: Timer Function

    by turning the rotary knob. Press and the cursor appears in response; press to move the cursor to the digit you want to change and turn the knob to increase or decrease the output voltage value at the cursor. The changes of the voltage setting and the output voltage will immediately apply.
  • Page 38 Power Line RS-485 Power Line RS-485 LOAD RS-485 After wiring is complete, configure one of the supplies as the Master and the other three as Slave A, B, and C. After one of the supplies is configured to be the Master, it will start searching for all Slaves that are connected to the Master. To operate correctly, the user must set up the Slaves before the Master.

  • Page 39: Error Message Of Parallel Connection

    If the wiring is correct, the following screen will appear: After receiving the control command from the Master, all Slaves will be locked on to the SLAVE screen. At this point all keys except are locked so that slaves cannot be operated from the front panel keys except controlled by the Master as shown below: Once the Master and Slave settings are completed, users will only have to operate the Master supply to set up the combined output voltage and current.
  • Page 40 If more than one Master is being set to parallel mode, the following message will be displayed. After the master is configured, if it cannot communicate with one of the slave supplies, the following error message will be displayed (example showing Slave A) After finishing the set up, if a Slave receives only the output command sent by the Master but does not receive the synchronization signal, it will present the...

  • Page 41: External Analog Interface

    2.13 External Analog Interface A DB25 analog interface connector is available in the rear panel for analog control. The output voltage or output current can be controlled by an external voltage source or resistor connected to the appropriate pins on this connector. The range of the external voltage could be either 0 ~ 10 VDC or 0 ~ 5 VDC and the range of the external variable resistance could be either 0 ~ 10 kΩ...

  • Page 42: Functions

    2.13.2 Functions Enabling/Disabling External Control To enable external control, you must first access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL, and change the setting on [EXTERN ENABLE = ] to [ACTIVE] , as shown in the figure below. This must be done prior to executing all the functions (i.e. Enable +/-, Shut-Off, Local/Analog, Voltage/Current Program, Voltage/Current Monitor, etc.) EXTERN MONITOR= 10V...
  • Page 43 A MODE: This allows the output On/Off button to be enabled or disabled. When pin 1 and 14 are opened, the output On/Off button is disabled and the power supply’s output will remain OFF. Pressing the On/Off button will not turn ON the output, and the LCD screen will also display ENA . V = 300.00 I = 1.000 0.00 V...
  • Page 44 Output EXTERN Enable On/Off Display Output ENABLE +/Enable - button ---- NOT ACTIVE Not Active (by Default) Disabled ENA ACTIVE Opened Enabled ---- (A Mode) Shorted On/Off Disabled ---- ACTIVE Opened Disabled ---- (B Mode) Shorted Note: When changing from A MODE to B MODE, change EXTERN ENABLE to NOT ACTIVE first to disable analog control, then change to B MODE.
  • Page 45 Rising-edge trigger EXTERN MONITOR= 10V EXTERN SHUT-OFF= ON / LOW EXTERN ENABLE= ACTIVE When Shut Off occurs, the output will be turned off immediately and SO will appear on the LCD display (as shown in the figure below). To enable the output again, first set the pin’s input voltage back to the original voltage setting (for falling-edge trigger, set back to high level (5V), and low level (0V) for rising-edge trigger).
  • Page 46 EXTERN EXTERN Shut-Off ENABLE Display SHUT-OFF Output (menu config.) (pin 15) (menu config.) OFF / LOW Display ACTIVE NOT ACTIVE (by Default) ON / LOW Display ACTIVE OFF / LOW High-to-Low ACTIVE ON / LOW Low-to-High CV/CC Pin 13 can be used to monitor the power supply output mode. The pin will output a High level (5V) under CV mode, and Low level (0V) under CC mode.
  • Page 47 Local Control V = 300.00 I = 1.000 0.00 V 0.000 A Analog Control V = 300.0 I = 1.00 0.0 V 0.00 A Local/Analog pin Display EXTERN Output state ENABLE control NOT ACTIVE (by NOT ACTIVE Local Default) DISPLAY ACTIVE High (5V) Local...
  • Page 48 Display Local/Analog pin Output Control State High (5V) Local NO DISPLAY Low (0V) Analog Power OK Pin 16 can be used to indicate whether a fault condition is present in the power supply. Normally this pin will output a High level (5V). When a fault occurs, this pin will output a Low level (0V).
  • Page 49 Under voltage mode, you may set the power supply’s voltage output value through Pin 9. DC SOURCE You can access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL to choose the input voltage range [EXTERN PROGRAM] to [10 V / 10K] for 0 – 10V or [ 5V / 5 K] for 0 – 5V. EXTERN VOLT CONTROL= VOLT EXTERN CURR CONTROL= VOLT EXTERN PROGRAM= 10 V / 10 K...
  • Page 50 Pin 9 and GND Pin 22 can be connected with a resistor to set the power supply’s output voltage value. You may access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL to choose the input resistance range at [EXTERN PROGRAM] to [10 V / 10 K] for 0 –...
  • Page 51 Under voltage control, you may input s DC voltage through Pin 10 to control the power supply’s output current value. DC SOURCE You may access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL to choose the input voltage range at [EXTERN PROGRAM] to [10 V / 10 K] for 0 –...
  • Page 52 supply’s output current value. You may access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL to choose the input resistance range at [EXTERN PROGRAM =] to [10 V / 10 K] for 0 – 10kΩ and [ 5 V / 5 K] for 0 – 5 kΩ. EXTERN VOLT CONTROL= VOLT EXTERN CURR CONTROL= VOLT EXTERN PROGRAM= 10 V / 10 K...
  • Page 53 DC SOURCE You may access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL to choose the voltage monitor output range of Pin 11 at [EXTERN MONITOR= ] to [10V] for 0 – 10 V (as shown in figure below) and [5V] for 0 – 5V. EXTERN MONITOR= 10V EXTERN SHUT-OFF= OFF / LOW EXTERN ENABLE=...

  • Page 54: Programmable Sequence Mode (List Mode)

    You may access MENU 6-SPECIAL TEST FUNC  2. EXTERNAL CONTROL to choose the current monitor output range of Pin 24 at [EXTERN MONITOR] to [10 V] for 0 – 10 V (as shown in figure below) and [5V] for 0 – 5V. EXTERN MONITOR= 10V EXTERN SHUT-OFF= OFF / LOW EXTERN ENABLE=...
  • Page 55 Example 1: To output the waveform shown above, users may edit the program through the following commands: PROG 1 Choose program number PROG:CLE Clear program 1 data PROG:REP 0 No repeat (repeat one time for “1”) PROG:TOTA 8 Set program 1 to have 8 steps in total PROG:STEP 1 Following 3 settings are for step 1 PROG:STEP:CURR 2...
  • Page 56 PROG:STEP:ONT 0.5 PROG:STEP 6 Choose step 6 PROG:STEP:CURR 2 PROG:STEP:VOLT 100 PROG:STEP:ONT 0.5 PROG:STEP 7 Choose step 7 PROG:STEP:CURR 2 PROG:STEP:VOLT 50 PROG:STEP:ONT 0.5 PROG:STEP 8 Choose step 8 PROG:STEP:CURR 2 PROG:STEP:VOLT 0 PROG:STEP:ONT 0.5 PROG:NEXT 0 Select next program to run after program 1 is complete, 0 means stop PROG:SAV After edit, use Save command to store...
  • Page 57 Example 2: To output the waveform shown above, the following example program can be used. PROG 2 Choose program number PROG:CLE Clear program 2 data PROG:REP 0 No repeat after running this program PROG:TOTA 8 Set program 2 to have 8 steps in total PROG:STEP 1 Settings for step 1 PROG:STEP:CURR 2...
  • Page 58 PROG:STEP 6 Choose step 6 PROG:STEP:CURR 2 PROG:STEP:VOLT 50 PROG:STEP:ONT 0.5 PROG:STEP 7 Choose step 7 PROG:STEP:CURR 2 PROG:STEP:VOLT 200 PROG:STEP:ONT 0.5 PROG:STEP 8 Choose step 8 PROG:STEP:CURR 2 PROG:STEP:VOLT 0 PROG:STEP:ONT 0.5 PROG:NEXT 0 Select next program to run after program 2 is complete, 0 means stop PROG:SAV After edit, use Save command to store...
  • Page 59 Example 3: If the power supply needs to execute Program 2 right after Program 1 is executed, then program 1 can be modified with a NEXT 2 command. The following steps can be taken to modify and execute the programs. PROG 1 Select program 1 PROG:NEXT 2...

  • Page 60: Multi-Unit Connection Mode (Rs485)

    2.15 Multi-unit Connection Mode (RS485) The power supply, via the RS485 interface, provides multi-unit control function for up to 30 units (If connecting more than 10 units, please add a 120Ω resistor terminator to the last unit as shown in the figure below). Turn on the ...

  • Page 61: Protection And Error Messages

    Protection and Error Messages Overvoltage Protection (OVP) When OVP is activated and the voltage measured exceeds the set point, the system will enter the “Overvoltage Protection” mode that will shut off the output and show OVP on the display. Press to reset the protection mode and deactivate the the buzzer.

  • Page 62: Constant Voltage Protection (Cv To Cc)

    Constant Voltage Protection (CV TO CC) When this function is activated, the power supply will stay in CV mode. If load changes force the system to transition from CV to CC (constant current) mode, the system will enter the “CV TO CC Protect” state that will shut off the output and display the CVC message on the screen.

  • Page 63: Low Voltage Protection (Acd)

    Low Voltage Protection (ACD) When the machine has detected abnormally low AC power input, system will enter the “AC Detect Low Protect” mode that will shut off the output and display the error message shown in the following figure. Press to reset the protection and deactivate buzzer.

  • Page 64: Remote Communication

    Remote Communication Interface Connection USB (Virtual COM) All models have a standard USB interface (virtual COM) that can be used for remote communication. The serial settings are listed below: BAUDRATE: 57600 PARITY: NONE DATA BITS: 8 STOP BIT: 1 FLOW CONTROL: NONE GPIB GPIB option is available when the supply is installed with the optional LAN/GPIB interface card.
  • Page 65 provides a simple way of setting voltage and current, as well as monitoring the output, using a web browser from a computer connected to the same local area network as the power supply. To access this, do the following: 1. On the computer, open up a Java-enabled web browser. 2.
  • Page 66 Table 1 - Web Browser Menu Description Provides general information of the power supply: Home Model Number, Manufacturer, Short Description, MAC Address, IP Address, Firmware Version. Configuration Allows users to configure: OVP Setting, OCP Setting, OPP Setting, LCD Backlight, *Change Password.
  • Page 67 Telnet Connection The power supply can be connected via Ethernet (LAN) interface using Telnet client with the following port: Telnet Port: 5024 Windows XP Users 1. Open a command prompt window, which can be found by going to Start > All Programs > Accessories > Command Prompt. Alternatively, you can click on Start, select Run…, and type in cmd in the Open: input box.
  • Page 68 Windows Vista/7 Users By default, Telnet client is not installed on the system. There are two ways to install it manually: 1. Open command prompt: a. Select Windows Start > All Programs > Accessories > Command Prompt b. Select Windows Start and type in cmd in the Search programs and files box and click on cmd.exe in the search list.

  • Page 69: Parameters Definition

    populated. Then, Click the box next to Telnet Client. When finished, follow steps 1a or 1b to open Command Prompt and follow the same steps 2 and 3 from “Windows XP users” instructions above. Socket Connection Socket connection is available for communication via Ethernet (LAN) interface.

  • Page 70: The Error/Event List

    negative floating-point numeric values are some examples of valid data. <string > Characters enclosed by single or double quotes <LF > Line Feed, Hex code is 0x0Ah <CR> Carriage Return, Hex code is 0x0Dh <END > End or identify Note: All commands are terminated with <CR> and <LF> characters. A space is always included in between the command and the parameter.
  • Page 71 -005 Parallel function, Error mode -006 Parallel function, Multi-Master -007 Parallel function, No Slave found -008 Parallel function, Communication with Slave A error -009 Parallel function, Communication with Slave B error -010 Parallel function, Communication with Slave C error -011 Parallel function, Sync.

  • Page 72: Remote Communication Protocol

    Remote Communication Protocol Command Description ADDRess set the address of the machine ADDRess? return the address of the machine BEEP set beep on(1) or off(0) clear protect status CURRent set current CURRent? return current setting ERRor? return error message IOUT? current readback ISET set current...
  • Page 73 Examples: Q 1:How to set GPIB address? ADDR 10 ==>address is 10 Q 2:How to read back GPIB address? ADDR? ==>return GPIB address ADDRESS? ==>return GPIB address Q 3:How to set up buzzer? BEEP 1 ==>trigger beep to on BEEP off ==>trigger beep to off Q 4:How to clear the protecting state? ==>clear protect status...
  • Page 74 Q 11:How to read the current output value? IOUT? ==>return current output Q 12:How to lock buttons and the rotary knob? LOCK 1 ==>lock the keypad and knob LOCK ON ==>lock the keypad and knob Q 13:How to read the product model number? MODEL? ==>return machine model name Q 14:How to set up OVP function?

  • Page 75: Scpi Conformity Information

    SCPI Conformity Information The power supply is compatible with all IEEE-488.2 and SCPI commands (1995). Commands are included in SCPI commands (in Vol. 2, 1995). 4.5.1 Common SCPI commands Command Explanation *CLS Clear status (include error code) *IDN? Response:<Manufacturer>, <model>, <serial number>, <firmware type, &...

  • Page 76: Scpi Command Subsystem

    *CLS 4.5.2 SCPI Command subsystem ABORt Abort the Output Action FETCh Fetch Subsystem :CURRent? Return the fetched output current :VOLTage? Return the fetched output voltage MEASure Measure subsystem :CURRent? Return the measured output current :VOLTage? Return the measured output voltage MEMory Memory Subsystem <NR1 | ? >...
  • Page 77 :PROTection :CLEar Reset latched protection PROGram Program Subsystem <NR1 | ? > select or return program number, range from 1 - 10 :CLEar clear program n parameters :ALL clear all program parameters :NEXT <NR1 | ? > set or return next program number (1 - 10 , 0 for end) :REPeat <NR1 | ? >...
  • Page 78 :LEVel <NRf | ? > set or return overpower protect value :OVP <Boolean | ? > set or return overvoltage protect state :LEVel <NRF | ? > set or return overvoltage protect value Parallel Subsystem :MODE <OFF/0,PARALLEL/1? > set or return parallel mode :TYPE <MASTER/0,SLAVEA/1,SLAVEB/2,SLAVEC/3|?>...
  • Page 79 set or return IP address :KEY :LOCK <Boolean | ? set or return key lock state :LCD :BL <Boolean | ? > set or return LCD backlight state :POWer :CURRent <NRf | ? > set or return user define current level :STATe <Boolean | ? >...
  • Page 80 Examples: Q 28:How to cancel all actions? ABOR ABORT Q 29:How to fetch current value? FETC:CURR? FETCH:CURRENT? Q 30:How to fetch voltage value? FETC:VOLT? FETCH:VOLTAGE? Q 31:How to measure current? MEAS:CURR? MEASURE:CURRENT? Q 32:How to measure voltage? MEAS:VOLT? MEASURE:VOLTAGE? Q 33:How to set up and read back the specific memory set? MEM 1 MEMORY 3 MEM?
  • Page 81 Q 35:How to set up and read back the current stored in specific memory set? MEM:ISET 15 MEM:ISET? MEMORY:ISET 25 MEMORY:ISET? Q 36:How to save data to memory set? MEM:SAVE MEMORY:SAVE Q 37:How to set up and cancel output? OUT ON OUTPUT 0 Q 38:How to set up and read back the voltage limit? OUT:LIM:VOLT 30...
  • Page 82 OUT:SR:CURR? OUTPUT:SR:CURRENT 0.01 OUTPUT:SR:CURRENT? Q 42:How to read back the output state? OUT:STAT? OUTPUT:STATE? Q 43:How to read back the protection state? PROT? PROTECTION? Q 44:How to set up and read back the CC to CV protection state? PROT:CCCV ON PROT:CCCV? PROTECTION:CCCV 0 PROTECTION:CCCV?
  • Page 83 SOUR:CURR:PROT ON SOUR:CURR:PROT? SOURCE:CURRENT:PROTECTION 0 SOURCE:CURRENT:PROTECTION? Q 48:How to set up and read back the overcurrent protection point? PROT:OCP:LEV 2 PROT:OCP:LEV? PROTECTION:OCP:LEVEL 2 PROTECTION:OCP:LEVEL? SOUR:CURR:PROT:LEV 2 SOUR:CURR:PROT:LEV? SOURCE:CURRENT:PROTECTION:LEVEL 2 SOURCE:CURRENT:PROTECTION:LEVEL? Q 49:How to set up and read back the overpower protection state? PROT:OPP ON PROT:OPP? PROTECTION:OPP 0...
  • Page 84 SOURCE:VOLTAGE:PROTECTION ? Q 52:How to set up and read back the overvoltage protection point? PROT:OVP:LEV 30 PROT:OVP:LEV? PROTECTION:OVP:LEVEL 40 PROTECTION:OVP:LEVEL? SOUR:VOLT:PROT:LEV 25 SOUR:VOLT:PROT:LEV? SOURCE:VOLTAGE:PROTECTION:LEVEL 35 SOURCE:VOLTAGE:PROTECTION:LEVEL? Q 53:How to set up the buzzer? SYS:BEEP ON SYSTEM:BEEP 0 Q 54: How to read back error code? SYS:ERR? SYSTEM:ERROR? Q 55: How to set up and read back the GPIB address?
  • Page 85 SYSTEM:KEY:LOCK? Q 58: How to set up and read back the LCD backlight function? SYS:LCD:BL ON SYSTEM:LCD:BL? Q 59: How to set up and read back the boot mode? SYS:POW:TYPE LAST SYS:POW:TYPE? SYS:POWER:TYPE USER SYS:POWER:TYPE? SYSTEM:GPIB:ADDRESS? Q 60: How to set up and read back the voltage setting under user-defined boot mode? SYS:POW:VOLT 10 SYS:POW:VOLT?
  • Page 86 SYS:REC:DEF SYSTEM:RECALL:DEFAULT Q 64: How to set up and read back the communication interface? SYS:REM GPIB SYS:REM? SYSTEM:REMOTE ETHERNET SYSTEM:REMOTE? Q 65: How to read back the serial number? SYS:SER? SYSTEM:SERIES? Q 66: How to set up and read back the output voltage? SOUR:VOLT 30 SOUR:VOLT? SOURCE:VOLTAGE 35...

  • Page 87: State Bit Definition

    State Bit Definition When “STATE?” command is used, the system will return three bytes in the order as shown below. Byte 2 Byte 1 Byte 0 bit 7 - bit 0 bit 7 - bit 0 bit 7 - bit 0 The definition of each bit is described in the following: byte 0: bit 7...

  • Page 88: Multi-Unit Programming Commands

    Multi-Unit Programming Commands The multi-unit programming commands used by the power supply include a carriage return (CR) character for termination of all ASCII strings. For all configuration commands (except for commands listed under Synchronous Control Commands section), the instrument will return a string “OK”...
  • Page 89 CIDN? Queries the IDN information of the selected power Description: supply. This command functions the same as *IDN?, however this is used in a multi unit programming setup for the selected power supply. Query: CIDN? Return B&K PRECISION,XLN15010,SN#,fw_version,0 String: CREV?
  • Page 90 Queries the firmware version of the selected power Description: supply. Query: CREV? Return 1.10 String: CSN? Description: Queries the serial number of the selected power supply. Query: CSN? Return 123D19238 String: Serial number is 123D19238. CST? Description: Queries the status of the selected power supply. This command functions the same as STATUS? command, however this is used in a multi unit programming setup for the selected power supply.

  • Page 91: Output Control Commands

    4.7.2 Output Control Commands This set of commands controls the outputs of the selected instrument (based on their address). Use CADR command (described in previous section) first to select the address of the unit you want to control before using any of these commands to control that unit’s output. Command Description ==================================================...
  • Page 92 Configures/Queries the VSET voltage setting of Description: the selected power supply. Example: CPV 150.68 Sets the selected power supply’s VSET voltage setting to 150.68 V. CPV? Queries the selected power supply’s VSET voltage setting. CMV? Description: Queries the measured/readback voltage output value of the selected power supply.
  • Page 93 CMC? Queries the measured/readback current output Description: value of the selected power supply Query: CMC? Return 1.234 A String: The selected power supply has a measured output current of 1.234 A. CDVC? Description: Queries the display voltage and current of the selected power supply.
  • Page 94 value of the selected power supply. Example: COV 170.000 Sets the selected power supply’s OVP value to 170.000V. COV? Queries the selected power supply’s OVP value. COVP Configures/Queries the overvoltage protection state Description: of the selected power supply. Example: COVP ON Sets the selected power supply’s OVP state to ON.
  • Page 95 of the selected power supply. Example: COCP ON Sets the selected power supply’s OCP state to ON. COCP? Queries the selected power supply’s OCP state. Description: Configures/Queries the overpower protection value of the selected power supply. Example: COP 300.00 Sets the selected power supply’s OPP value to 300.00 W.

  • Page 96: Synchronous Control Commands

    Return String: CV or CC Format: 4.7.3 Synchronous Control Commands This set of commands can be used to control all the power supplies connected in the RS-485 chain at once. Note that these commands will not return an “OK” string upon making a configuration. Command Description ==================================================...
  • Page 97 GRST Resets all the power supplies connected in the Description: chain to a known state. Syntax: GRST GCLS Clears the status of all the power supplies Description: connected in the chain. Syntax: GCLS GCLR Description: Clears the protection flag/trip of all the power supplies connected in the chain.
  • Page 98 3.123 A. GOUT Description: Configures/Queries the output state of all the power supplies in the chain. Example: GOUT ON Sets all the power supplies’ output to ON. Description: Configures/Queries the overvoltage protection value of all the power supplies connected in the chain.

  • Page 99: Error List

    Example: GOC 3.000 Sets all the power supplies’ OCP value to 3.000 A. GOCP Configures/Queries the overcurrent protection state Description: of all the power supplies connected in the chain. Example: GOCP ON Sets all the power supplies’ OCP state to ON. Configures/Queries the overpower protection value Description: of all the power supplies connected in the chain.

  • Page 100: Calibration

    Commands), the return string will be “OK”. If otherwise, an error message will occur. See the table below for the list of errors and their descriptions. Return String Description Wait response time has timed Time out Range error Input value is out of range More than one master is in the Multi master chain.

  • Page 101: Voltage Calibration

    Voltage Calibration Follow the step by step instructions below for voltage calibration. Power off the supply and connect its output terminal to a Digital Volt Meter (DVM), as shown in the figure below. Then set the meter for DC voltage measurement. Voltage Calibration DS30052 DC Voltage measurment...
  • Page 102 4. Key in “13579” as the password to enter the calibration menu. 5. Press to access the Voltage Calibration menu, and the following parameters will be displayed. 6. With the CALIB VOLT Lo selected, look at the voltage value displayed on the DVM, and change the value to match the measured results.
  • Page 103 Function Setting Range of read back value 5 ~ 16.5 89.1 ~ 108.9 MIDL 178.2 ~ 217.8 MIDH 256.5 ~ 313.5 XLN15010 Function Setting Range of read back value 5 ~ 8.25 49.5 44.55 ~ 54.45 MIDL 89.1 ~ 108.9 MIDH 142.5...

  • Page 104: Ovp Calibration

    OVP Calibration Follow the step by step instructions below for OVP calibration. 1. Press in the calibration menu to enter the OVP calibration menu. 2. Press to access OVP calibration procedure for “Lo”. Lo = 3. When complete, go to the OVP “Hi” parameter and press 4.

  • Page 105: Current Calibration

    Current Calibration Follow the step by step instructions below for current calibration. 1. Connect two terminals on the output of the power supply to two ends of the current shunt, then connect the DVM to the sensor of the current shunt to measure DC voltage, as shown below. Current Calibration DS30052 Current Shunt...
  • Page 106 calibration menu. 3. First, input the resistance of the current shunt in mΩ for current measurement fixture and press 4. Then, observe the voltage value shown on the DVM, and input it accordingly for CALIB CURR Lo, then CALIB CURR MID1, MID2, MID3, and Hi accordingly.

  • Page 107: Ocp Calibration

    2.08 1.872 ~ 2.288 MID2 3.468 3.1212 ~ 3.8148 MID3 4.94 4..446 ~ 5.434 XLN15010 Function Setting Range of transformation value 0.5408 0.04 ~ 0.5949 1.3697 1.2327 ~ 1.5067 MID1 4.16 3.744 ~ 4.576 MID2 6.9368 6.2431 ~ 7.6305 MID3 9.88...
  • Page 108 Lo = 3. Wait until it is finished. It will indicate “OK”. Now, do the same for OCP “Hi”. Lo = 4. Once completed, the calibration values will be stored into the internal flash memory and return to the calibration page. If it is not completed within 10 seconds from the start of the calibration, there may be issues with the OCP protection circuit and will need to be inspected by a trained technician.
  • Page 109 Index AC input, 14 Multi-unit Connection, 56 Analog Interface, 39 OCP, 34 Calibration, 97 OVP, 33 Caution, 18 Parallel Mode, 35 CHAIN, 30 POWER ON STATE, 24 Down/Right/Store, 20 Rackmount, 12 Enable +/-, 40 Resistor Mode, 46 Environmental, 11 RMT/LCL Sense, 31 Error, 37 SLEW, 26 Ethernet (LAN), 60...
  • Page 110 Service Information Warranty Service: Please go the support and service section on our website www.bkprecision.com to obtain a RMA #. Return the product in the original packaging with proof of purchase to the address below. Clearly state on the RMA the performance problem and return any leads, probes, connectors and accessories that you are using with the device.
  • Page 112 Limited Three-year Warranty B&K Precision Corp. warrants to the original purchaser that its products and the component parts thereof, will be free from defects in workmanship and materials for a period of three years from date of purchase. B&K Precision Corp. will, without charge, repair or replace, at its option, defective product or component parts.
  • Page 114 22820 Savi Ranch Parkway Yorba Linda, CA 92887 www.bkprecision.com © 2013 B&K Precision Corp. Printed in Taiwan v042413...

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