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KEPCO INC.
An ISO 9001 Company.
IMPORTANT NOTES:
1)
2)
3)
©2012, KEPCO, INC
P/N 243-1339-r4
KEPCO, INC. ! 131-38 SANFORD AVENUE ! FLUSHING, NY. 11355 U.S.A. ! TEL (718) 461-7000 ! FAX (718) 767-1102
OPERATOR'S MANUAL
PROGRAMMABLE D-C POWER SUPPLY
This manual is valid for the following Firmware Versions:
FIRMWARE VERSION
1.60 and higher
A Change Page may be included at the end of the manual. All applicable changes and
revision number changes are documented with reference to the equipment serial num-
bers. Before using this Instruction Manual, check your equipment firmware version num-
ber to identify your model. If in doubt, contact your nearest Kepco Representative, or the
Kepco Documentation Office in New York, (718) 461-7000, requesting the correct revision
for your particular model and firmware version number.
The contents of this manual are protected by copyright. Reproduction of any part can be
made only with the specific written permission of Kepco, Inc.
Data subject to change without notice.
email: hq@kepcopower.com ! World Wide Web: http://www.kepcopower.com
KLN 750W
1U HALF RACK
MODEL
KLN 750W
POWER SUPPLY
ORDER NO.
NOTE.
KEPCO
THE POWER SUPPLIER™
®
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Table of Contents
Related Manuals for KEPCO KLN Series
Summary of Contents for KEPCO KLN Series
- Page 1 Data subject to change without notice. KEPCO ® ©2012, KEPCO, INC P/N 243-1339-r4 THE POWER SUPPLIER™ KEPCO, INC. ! 131-38 SANFORD AVENUE ! FLUSHING, NY. 11355 U.S.A. ! TEL (718) 461-7000 ! FAX (718) 767-1102 email: hq@kepcopower.com ! World Wide Web: http://www.kepcopower.com...
- Page 3 Service must be referred to authorized personnel. Using the power supply in a manner not specified by Kepco. Inc. may impair the protection provided by the power supply. Observe all safety precautions noted throughout this manual. Table 1-5 lists symbols used on the power supply or in this manual where applica- ble.
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Page 5: Table Of Contents
TABLE OF CONTENTS SECTION PAGE SECTION 1 - INTRODUCTION Scope of Manual ............................. 1-1 General Description..........................1-1 Specifications ............................1-2 Local Control ............................1-7 Remote Control ............................1-7 Analog Control............................1-8 Features ..............................1-8 1.7.1 Digital Calibration..........................1-8 1.7.2 Protection............................1-8 1.7.3 Saving and Recalling Settings ...................... - Page 6 TABLE OF CONTENTS SECTION PAGE 3.3.5 Enabling/Disabling DC Output Power ....................3-8 3.3.6 Storing Power Supply Output Settings....................3-8 3.3.7 Recalling Power Supply Output Settings ..................3-8 3.3.8 Output Mode (Voltage Set: Direct or Enter) ..................3-9 3.3.9 Power On Setting..........................3-9 3.3.10 Rise Time (Ramp up)........................
- Page 7 TABLE OF CONTENTS SECTION PAGE Digital Remote Mode Programming ......................3-25 3.6.1 RS-485 Operation..........................3-25 3.6.2 GPIB Operation (If Option Installed) ....................3-25 3.6.2.1 IEEE 488 (GPIB) Bus Protocol ....................3-26 3.6.3 LAN Operation (If Option Installed)....................3-27 3.6.3.1 LAN Connection........................... 3-27 SCPI Programming ..........................
- Page 8 TABLE OF CONTENTS SECTION PAGE ory: B.21 SOUR :MEM LIST:X Query ......................B-4 ory: B.22 SOUR :MEM :X Command ....................B-4 ory: B.23 SOUR :MEM VOLT :X Command .................... B-5 ory: B.24 SOUR :MEM VOLT Query ....................B-5 B.25 SOUR :VOLT Command .......................
- Page 9 LIST OF FIGURES FIGURE TITLE PAGE KLN 750W Power Supply, Automatic Crossover Characteristics ............... 1-1 KLN 750W Power Supply, Outline Drawing (two units Mounted in Rack) ..........1-6 KLN 750W Series Rear Panel ........................2-1 RS-485 Port ..............................2-2 Programming Control Port .......................... 2-3 Mounting One KLN 750W Unit in 19-inch Rack ..................
- Page 10 LIST OF TABLES TABLE TITLE PAGE KLN 750 Watt Model Parameters ....................... 1-2 KLN 750W General Specifications ......................1-3 Equipment Supplied ........................... 1-9 Accessories ..............................1-9 Safety Symbols ............................1-10 Rear Panel Connector Functions ....................... 2-1 RS-485 Port Input/Output Pin Assignments ....................2-2 GPIB (IEEE 488) Port Input/Output Pin Assignments ................
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Page 11: Section 1 - Introduction
SECTION 1 - INTRODUCTION SCOPE OF MANUAL This manual contains instructions for the installation and operation of the KLN series of 750 Watt programmable, voltage and current stabilized d-c power supplies, hereafter referred to as KLN 750W, from Kepco, Inc., Flushing, New York, U.S.A. -
Page 12: Specifications
SPECIFICATIONS Table 1-1 below indicates parameters that vary for different KLN 750W models; Table 1-2 lists general specifications that apply to all KLN 750W models. TABLE 1-1. KLN 750 WATT MODEL PARAMETERS (10) d-c Output Range Remote Ripple Line Regulation Load Regulation Response Time Sense... -
Page 13: Kln 750W General Specifications
TABLE 1-2. KLN 750W GENERAL SPECIFICATIONS SPECIFICATION RATING/DESCRIPTION INPUT CHARACTERISTICS Input voltage 100~240Vac, 50/60Hz Input current (Full load) 115Vac - 8.1A; 230V a-c - 4.1A Inrush current 230Vac - 12.5A Power Factor (PF) 0.99 (at 115V a-c, rated output) OUTPUT CHARACTERISTICS Type of Stabilizer Constant Voltage (CV)/Constant Current (CC), automatic crossover... - Page 14 TABLE 1-2. KLN 750W GENERAL SPECIFICATIONS (CONTINUED) SPECIFICATION RATING/DESCRIPTION PROGRAMMING CHARACTERISTICS - DIGITAL Command setting resolution ±0.002% of full scale Command reading resolution ±0.002% of full scale Command and D/A Voltage: ±0.1% ± 3C at rated voltage setting accuracy Current: ±0.5% ±...
- Page 15 TABLE 1-2. KLN 750W GENERAL SPECIFICATIONS (CONTINUED) SPECIFICATION RATING/DESCRIPTION GENERAL (ENVIRONMENTAL) SPECIFICATIONS Temperature Operating: 0 to 50°C (indoor use) Storage: -20 to 70°C Humidity Operating: 30%~90% RH (no condensation) Storage: 10%~90% RH (no condensation) Altitude 3000m max Cooling Speed-Controlled Fan Noise <70 dB (A) EMC Standard...
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Page 16: Kln 750W Power Supply, Outline Drawing (Two Units Mounted In Rack)
FIGURE 1-2. KLN 750W POWER SUPPLY, OUTLINE DRAWING (TWO UNITS MOUNTED IN RACK) (SHEET 1 OF 2) KLN 750W 121912... -
Page 17: Local Control
FIGURE 1-2. KLN 750W POWER SUPPLY, OUTLINE DRAWING (SHEET 2 OF 2) LOCAL CONTROL The front panel encoder can set and adjust output voltage and current under local control. The display uses two 4-digit LED displays to provide a digital readout of output voltage and current. REMOTE CONTROL The KLN 750W Power Supply can be remotely controlled directly via the built-in RS-485 inter- face using SCPI commands (see Appendix A and B). -
Page 18: Analog Control
digital interfaces. The transmission rate of RS-485 can be up to 115.2K bps. The RS-485 inter- face can be used to connect multiple power supplies, up to a maximum of 254 units. The maxi- mum effective control distance can be up to 1000m. Digital remote control is also available via optional GPIB (suffix G) and LAN (suffix E) interfaces. -
Page 19: Equipment Supplied
EQUIPMENT SUPPLIED Equipment supplied with the KLN 750W power supply is listed in Table 1-3. TABLE 1-3. EQUIPMENT SUPPLIED KEPCO PART ITEM DESCRIPTION NUMBER Power Cable, (125V/15A) Connects unit to 115V a-c source power. 118-1136 Sense wires: Red, black Used to connect output to local sensing connections: red: (+) to +S, black: (–) to –S... -
Page 20: Safety
Service must be referred to authorized personnel. Using the power supply in a manner not specified by Kepco. Inc. may impair the protection provided by the power supply. Observe all safety precautions noted throughout this manual (see listing on Safety page A, preceding the Table of Contents). -
Page 21: Section 2 - Installation
SECTION 2 - INSTALLATION UNPACKING AND INSPECTION This instrument has been thoroughly inspected and tested prior to packing and is ready for operation. After careful unpacking, inspect for shipping damage before attempting to operate. Perform the preliminary operational check as outlined in PAR. 2.3. If any indication of damage is found, file an immediate claim with the responsible transport service. -
Page 22: Rs-485 Port
TABLE 2-2. RS-485 PORT INPUT/OUTPUT PIN ASSIGNMENTS SIGNAL NAME FUNCTION (FIGURE 2-2) Ground Reduce external interference Connect to +TX of computer and/or +RX of next unit on RS-485 bus (see Figure 2-9). – –RX Connect to –TX of computer and/or –RX of next unit on RS-485 bus (see Figure 2-9). NOTE: Connect 120 Ohm termination resistor across + and –... -
Page 23: Programming Control Port
TABLE 2-4. PROGRAMMING CONTROL PORT I/O PIN ASSIGNMENTS SIGNAL NAME FUNCTION (FIGURE 2-3) 1, 2 RECALL External recall control (dry contact). Same function as RCL key on front panel. 3, 4, 5, 6 Not used Power on/off status Output signal. Active (low between pin 7 and pin 8) to indicate unit is turned on. Common for Status signal pins 7, 9, 10, 11 and 12 (1) Status common Output signal. -
Page 24: Preliminary Operational Check
PRELIMINARY OPERATIONAL CHECK A simple operational check after unpacking and before equipment installation is advisable to ascertain whether the power supply has suffered damage resulting from shipping. Refer to Figures 2-1 and 3-1 for location of operating controls and electrical connections. Tables 3-1 and 3-2 explain the functions of operating controls/indicators and keypad keys, respectively. -
Page 25: Installation
15.Connect a digital voltmeter (DVM) to the (+S) and (-S) terminals on the rear panel. Verify that DVM shows there is no output voltage from the power supply. 16.Press red OUT key. Verify that red LED at left of OUT key goes on. 17.Compare the programmed output voltage value (e.g., 30.00V for 30V model per step 11) with the voltage reading of the DVM;... -
Page 26: Mounting Two 1/2-Rack Units In 19-Inch Rack
FIGURE 2-4. MOUNTING ONE KLN 750W UNIT IN 19-INCH RACK 2.4.1.2 MOUNTING TWO 1/2-RACK UNITS IN 19-INCH RACK To mount two KLN 750W units side-by-side in a 19 inch rack, use the RA 81-2 mounting kit (not supplied, see Accessories, Table 1-4). 1. -
Page 27: Safety Grounding
CAUTION: WHEN WORKING WITH ACTIVE LOADS, THE VOLTAGE OR CURRENT OF THE ACTIVE LOAD MUST NOT EXCEED THE MAXIMUM VOLTAGE OR CUR- RENT RATING OF THE KLN 750W. OTHERWISE THE OVERVOLTAGE OR OVERCURRENT PROTECTION WILL SHUT DOWN THE POWER SUPPLY. 2.5.1 SAFETY GROUNDING To minimize shock hazard, the product chassis must be connected to an electrical ground. -
Page 28: Power Supply/Load Interface
It is hoped that the preceding paragraphs will be of some assistance in most cases. For help in special applications or difficult problems, consult directly with Kepco's Application Engineering Department. 2.5.4... -
Page 29: Load Connection Using Local Sensing
FIGURE 2-5. LOAD CONNECTION TERMINALS FOR 6V - 150V MODELS Kepco strongly recommends the use of stranded (not solid) wire with (+) and (–) wires tightly twisted to reduce self-inductance; wire end ferrules are suggested to prevent fraying of the strands. -
Page 30: Load Connection Using Remote Sensing
Use the following formula and Figure 2-7 to calculate the voltage drop based on expected cur- rent and wire resistance. Refer to Table 2-5 for wire resistance for standard AWG sizes, as well as maximum recommended length of load wires for a voltage drop of less than 1V with expected load current of 5, 10, 20, 50 or 150 Amperes. -
Page 31: Cooling
CAUTION: CONNECT +S ONLY TO + AND –S ONLY TO –. CONNECTING +S TO –S, +V TO –S, OR –V TO +S WILL DAMAGE THE UNIT. FIGURE 2-8. LOAD CONNECTIONS, REMOTE SENSING COOLING The power devices used within the power supply are maintained within their operating tempera- ture range by means of internal heat sink assemblies and a variable speed fan with air flow from front to back. -
Page 32: Setup For Remote Operation Via Gpib
tion the RS-485 address (Axxx) must precede every command (e.g., to set the brightness to 3 and output voltage to 30 of a unit with RS-485 address 001, send A001DISP:CONT 3;A001VOLT 30) FIGURE 2-9. RS-485 CONNECTIONS 2.7.3 SETUP FOR REMOTE OPERATION VIA GPIB CAUTION: DO NOT CONNECT THE POSITIVE OUTPUT TO GROUND WHEN IEEE 488 IS USED. -
Page 33: Series Connections
parallel to increase the current: I where N = number MAX (one unit) MAX (parallel combination) of units in parallel. Similarly, up to two units (including the master) can be connected in series to increase the voltage: E where N = number of units in MAX (one unit) MAX (Series combination) -
Page 34: Parallel Connections
FIGURE 2-12. OPTIONAL SERIES CONNECTION KIT 2.8.2 PARALLEL CONNECTIONS Up to five identical KLN 750W units (one master and up to four slaves) can be operated in par- allel to increase the output current. Output current of the parallel combination = number of units in parallel x output current of a single unit. -
Page 35: Parallel Connections Using Optional Parallel Connection Kit
FIGURE 2-14. PARALLEL CONNECTIONS WITH REMOTE SENSING FIGURE 2-15. PROGRAMMING CONTROL PORT CONNECTIONS FOR PARALLEL OPERATION 2.8.2.1 PARALLEL CONNECTIONS USING OPTIONAL PARALLEL CONNECTION KIT Connections for up to five identical KLN 750W units (one master and up to four slaves) can be simplified by using the optional Parallel Connection Kit (see Table 1-4). -
Page 37: Section 3 - Operation
SECTION 3 - OPERATION GENERAL This section explains how to operate the KLN 750W Power Supply. KLN 750W Power Supplies feature three modes of operation: • Local Mode (see PAR. 3.3): This is the default operating mode, providing full access to all programming and readback functions via front panel displays, controls, and indica- tors. -
Page 38: Front Panel Controls And Indicators
TABLE 3-1. FRONT PANEL CONTROLS AND INDICATORS NUMBER CONTROL/INDICATOR FUNCTION (FIGURE 3-1) POWER ON/OFF Applies source power to unit circuit breaker A7CB1 Green LED, lights when unit is under remote control. Press SHIFT/LOCAL key to REMOTE status LED restore local control. Red LED, lights if OVP, OCP or OTP are triggered or there is a command error, front ALARM panel operation error, or power supply failure. -
Page 39: Turning The Power Supply On
TABLE 3-1. FRONT PANEL CONTROLS AND INDICATORS (CONTINUED) NUMBER CONTROL/INDICATOR FUNCTION (FIGURE 3-1) CC indicator Lights when unit is in Constant Current mode Overvoltage Protection indicator. Lights if overvoltage error has occurred. Blinks while OVP indicator setting overvoltage protection value. CV indicator Lights when unit is in Constant Voltage mode Displays output current or setting value in Amperes. -
Page 40: Factory Defaults
4. When the self-test is complete, the Voltage display shows the last voltage setpoint value and the Current display shows the last current setpoint value. All the front panel keys are func- tional and the remote-controlled functions can be enabled. •... -
Page 41: Menu Structure
3.2.2 MENU STRUCTURE Many of the KLN 750W functions are accessed via MENU mode (see Table 3-3 for complete list of MENU functions). 1. Press SHIFT key to enter SHIFT mode. Verify blue LED lights, then press ENTER key to enter MENU mode. -
Page 42: Menu Functions
TABLE 3-3. MENU FUNCTIONS Voltage Display Current Display Description Reference 000 ~ 999 Error Code PAR. 3.3.45 DIR or ENT Output Mode Setting PAR. 3.3.8 P.ON LAST or OFF Power ON Mode PAR. 3.3.9 R.UPT 00.0 ~99.9 Ramp Up Time PAR. -
Page 43: Front Panel Lockout
3.3.1.1 FRONT PANEL LOCKOUT To prevent unauthorized setting of the power supply, KEYLOCK can be enabled which disables the front panel keys and the encoder. Press SHIFT key to enter SHIFT mode ( LED lit), then tap the encoder to enable KEYLOCK. The yellow indicator goes on and all the front panel keys (except SHIFT) and the encoder are disabled. -
Page 44: Enabling/Disabling Dc Output Power
3.3.5 ENABLING/DISABLING DC OUTPUT POWER To enable the output press the OUT key on the front panel. The green LED (7, Figure 3-1) adja- cent to the OUT key goes on to indicate the output is enabled. If the output is enabled, press the OUT key to disable the output (the red LED goes out). 3.3.6 STORING POWER SUPPLY OUTPUT SETTINGS Up to 16 memory locations can be used to store power supply settings for later use. -
Page 45: Output Mode (Voltage Set: Direct Or Enter)
3.3.8 OUTPUT MODE (VOLTAGE SET: DIRECT OR ENTER) There are two ways to program output voltage: DIRECT or ENTER. When output mode is set to DIRECT, rotating the encoder with the output set to ON changes the output immediately as the encoder is turned. -
Page 46: Fall Time (Ramp Down)
3.3.11 FALL TIME (RAMP DOWN) When the output is disabled, the time for the output to go from the programmed voltage to 0 is referred to as the ramp down (fall) time, and is adjustable from 00.0 to 99.9 seconds. The time setting affects the slope of the decrease in output voltage. -
Page 47: Display Brightness
3.3.14 DISPLAY BRIGHTNESS The brightness level for the Voltage and Current displays can be set from 0 (dimmest) to 5 (brightest). 1. Enter the menu (see PAR. 3.2.2 and Table 3-3) and rotate the encoder until Voltage display shows (BRIT) to access BRIGHTNESS setting. 2. -
Page 48: Gpib Address (Gpib Interface Only)
3.3.17 GPIB ADDRESS (GPIB INTERFACE ONLY) Used to set the GPIB address. Available addresses from 01 to 31. Default GPIB address is 07. 1. Enter the menu (see PAR. 3.2.2 and Table 3-3) and rotate the encoder until Voltage display shows (GPIB) to access GPIB ADDRESS setting. -
Page 49: Set 1St Part Of Ip Address (Lan Interface Only)
3.3.20 SET 1ST PART OF IP ADDRESS (LAN INTERFACE ONLY) Used to set first part (nnn) of the 4-part IP address (nnn.xxx.xxx.xxx) where nnn can be set from 0 to 254. Set DHCP on/off to OFF before using this function (see PAR. 3.3.19). 1. -
Page 50: Set 4Th Part Of Ip Address (Lan Interface Only)
3.3.23 SET 4TH PART OF IP ADDRESS (LAN INTERFACE ONLY) Used to set fourth part (nnn) of the 4-part IP address (xxx.xxx.xxx.nnn) where nnn can be set from 0 to 254. 1. Enter the menu (see PAR. 3.2.2 and Table 3-3) and rotate the encoder until Voltage display shows (S.IP4) to access fourth part of IP address. -
Page 51: Enable Current Control Via Programming Control Port
1. Enter the menu (see PAR. 3.2.2 and Table 3-3) and rotate the encoder until Voltage display shows (CV.M) to access CONSTANT VOLTAGE MODE CONTROL setting. 2. Press ENTER key to view setting. LOCAL (front panel) mode displayed as (LOC) in Current display. EXTERNAL (Programming Control port) mode displayed as (EXT) in Current display. -
Page 52: View Firmware Version
3.3.30 VIEW FIRMWARE VERSION Allows viewing of firmware version 1. Enter the menu (see PAR. 3.2.2 and Table 3-3) and rotate the encoder until Voltage display shows (FW). to view the unit firmware version. 2. Firmware Version displayed as 1.00 (typical) in Current display. 3.3.31 VIEW HARDWARE VERSION Allows viewing of hardware version... -
Page 53: View 3Rd Part Of Ip Address (Lan Interface Only)
3.3.34 VIEW 3RD PART OF IP ADDRESS (LAN INTERFACE ONLY) Used to view third part (nnn) of the 4-part IP address (xxx.xxx.nnn.xxx) where nnn is a number from 0 to 254. The IP address shown is either assigned by the DHCP server or the static address entered manually. -
Page 54: View 2Nd Part Of Subnet Mask Address (Lan Interface Only)
3.3.37 VIEW 2ND PART OF SUBNET MASK ADDRESS (LAN INTERFACE ONLY) Used to view second part (nnn) of the 4-part Subnet Mask address (xxx.nnn.xxx.xxx) where nnn is a number from 0 to 255. The default subnet mask address is 255.255.255.0. 1. -
Page 55: View 2Nd Part Of Mac Address (Lan Interface Only)
3.3.41 VIEW 2ND PART OF MAC ADDRESS (LAN INTERFACE ONLY) Used to view second two hex numbers (cc.dd) of the 6-character MAC address (aa.bb.cc.dd.ee.ff) where cc and dd are Hex numbers from 00 to FF. The default MAC address is 70.60.42.00.00.00. 1. -
Page 56: Ip Address Reset
3.3.44 IP ADDRESS RESET The IP Address reset function resets the IP Address and Subnet Mask address to the default value of 192.168.0.100 and 255.0.0 respectively. 1. Enter the menu (see PAR. 3.2.2 and Table 3-3) and rotate the encoder until Voltage display shows (RSTI) to access RESET IP ADDRESS function. -
Page 57: Discontinuing Series Operation
To operate units connected in series, proceed as follows: 1. Verify that the units are connected as shown in either Figure 2-10 (without remote compen- sation) or Figure 2-11 (with remote compensation) 2. Turn on power to Master unit first and then Slave unit. 3. -
Page 58: Discontinuing Parallel Operation
To operate units connected in parallel, proceed as follows: 1. Verify that the units are connected as shown in either Figure 2-13 (without remote compen- sation) or Figure 2-14 (with remote compensation) 2. Verify that Programming Control Port connections are as shown in Figure 2-15. 3. -
Page 59: Remote Emergency Shutdown
3.5.2 REMOTE EMERGENCY SHUTDOWN Remote emergency shutdown of the output can be accomplished using Programming Control port pins 23 and 25. When the pins are open, operation is normal. When they are shorted, the output is immediately set to off. This can be accomplished using either an optocoupler or relay. (See Figure 3-3). -
Page 60: Monitor Output Voltage Or Current
3.5.6.1 MONITOR OUTPUT VOLTAGE OR CURRENT CAUTION: DO NOT ALLOW SHORT BETWEEN PROGRAMMING CONTROL PORT PINS 20 (A MONITOR), 22 (V MONITOR) OR 24 (ANALOG COMMON) TO AVOID DAMAGE TO THE UNIT. Voltage: The analog voltage between 0 to +10V d-c at pin 20, referenced to pin 24, represents 0 to the rated voltage of the unit. -
Page 61: Gpib Operation (If Option Installed)
3.6.1 RS-485 OPERATION See PAR. 2.7.2 for RS-485 connections. See PAR. 3.3.18 to change the RS-485 Address. See PAR. 3.3.16 to change the RS-485 Baud Rate. 3.6.2 GPIB OPERATION (IF OPTION INSTALLED) See PAR. 2.7.3 for GPIB connections. See PAR. 3.3.17 to change the GPIB Address. 3.6.2.1 IEEE 488 (GPIB) BUS PROTOCOL Table 3-4 defines the interface capabilities of the KLN 750W power supply (Talker/Listener) rel-... -
Page 62: Lan Operation (If Option Installed)
TABLE 3-5. IEEE 488 (GPIB) BUS COMMAND MODE MESSAGES MESSAGE MNEMONIC COMMENTS DESCRIPTION Attention Received Data accepted Received or Sent Data Valid Received or Sent Device Clear Received Interface Clear Received My Listen Address Received My Talk Address Received Other Talk Address Received Ready for Data Received or Sent... -
Page 63: Lan Connection
3.6.3.1 LAN CONNECTION The factory default for the DHCP function default is ON. Leave this set to ON to allow a DHCP server to set the IP address. If there is no DHCP server available, refer to PAR. 3.3.19 to set DHCP to OFF, then either refer to PAR. -
Page 64: Ip Configuration
FIGURE 3-6. IP CONFIGURATION 4. Use HyperTerminal to operate the unit remotely. From the computer, launch HyperTerminal (Start - Programs - Accessories - Communications - HyperTerminal) and key in the name of the connection, e.g., KLN 20-38E. FIGURE 3-7. OPEN HYPERTERMINAL CONNECTION 5. -
Page 65: Hyper Terminal Properties
ENTER. The green remote LED at the KLN front panel goes on. 7. Send *idn? query to verify unit is operating properly via the LAN interface. A typical response for a successful LAN connection is: KEPCO,KLN 20-38E,500354,01.60 3-29 KLN 750W 121912... -
Page 66: Scpi Programming
SCPI PROGRAMMING SCPI (Standard Commands for Programmable Instruments) is a programming language con- forming to the protocols and standards established by IEEE 488.2 (reference document ANSI/IEEE Std 488.2, IEEE Standard Codes, Formats, Protocols, and Common Commands). The KLN 750W Power Supply supports long and short form syntax as defined in this standard. All other aspects of this standard are specified in appendix B of this manual. -
Page 67: Output Subsystem
3.7.3.4 OUTPUT SUBSYSTEM This subsystem is used to control whether the output is on or off, and whether the power supply powers up with the output set to the reset state or to the last settings in effect when the unit was powered off. - Page 68 ROOT : (colon) SYSTem subsystem SOURce: subsystem CALibrate subsystem SYSTem SOUR :BEEP :CURR :BEEP? DISPlay subsystem :CURR? :COMM :PROT:LEV DISP :LAN PROT:LEV? :CONT :DHCP :LIST :CONT? :DHCP? :RTIM :GATE :RTIM? FETCh subsystem :GATE? :MEM FETC :CLS :FETC?] :IP? :CURR:X :IPAD :CURR:X? OUTPut subsystem :IPAD?
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Page 69: Section 4 - Calibration
SECTION 4 - CALIBRATION GENERAL This section contains the calibration instructions for the Power Supply. It is recommended that the user be familiar with Local Mode operation (PAR. 3.3) before calibrating the unit. CAUTION: IT IS RECOMMENDED THAT CALIBRATION BE PERFORMED ONLY BY AUTHORIZED PERSONNEL FAMILIAR WITH ELECTRONIC TEST AND CALI- BRATION EQUIPMENT. -
Page 70: Calibration Setup
FIGURE 4-1. CALIBRATION SETUP 4. Turn on power to the KLN 750W unit. 5. At KLN 750W front panel, press SHIFT, then press V/OVP key. Use encoder to set Overvolt- age protection (see PAR. 3.3.2) to maximum (110% of rated voltage). 6. -
Page 71: Current Calibration Procedure
18. Enter the new Voltage Deviation ratio by rotating encoder until Current display shows desired setting for blinking digit. Tap encoder to go to next digit and repeat for all digits, then press ENTER to confirm. NOTE: If necessary to recalibrate, set Voltage Deviation Ratio to 1.000 and repeat Voltage Calibration procedure. -
Page 73: Appendix A - Scpi Common Command/Query Definitions
The character string contains the following fields: <Manufacturer>, <Model>, <Serial Number>, <Firmware revision> where: <Manufacturer> = KEPCO, <Model> = KLN 750W model number, <Serial Number> = SSSSSS <Firmware revision=n.m, (e.g, 1.0). -
Page 74: Opc? - Operation Complete Query
*OPC? *OPC? — OPERATION COMPLETE QUERY Syntax: *OPC? Return value: <1 or 0> (ASCII) 0 placed in output queue if power supply has not completed operation after prior *OPC command. 1 placed in output queue when power supply has completed operation. Description: Indicates when pending operations have been completed. -
Page 75: Appendix B - Scpi Command/Query Definitions
APPENDIX B - SCPI COMMAND/QUERY DEFINITIONS INTRODUCTION This appendix defines the SCPI subsystem commands and queries used with the KLN 750W power supply. Subsystem commands are defined in PAR. B.3 through B.51. Table B-1 provides a quick reference of all SCPI subsystem commands and queries used in the KLN 750W. TABLE B-1. -
Page 76: Fetch? Query
FETC? FETCh? QUERY Syntax: Short Form: FETC? Long Form: FETCh? Description: Measures actual output voltage and current. The query performs a measurement and returns the value of DC output current in Amperes and DC output voltage in Volts. Return Format: <NR1> Example: FETC? returns 1.41000E-01, 3.00100E-00 (current is 1.41A and voltage is 30.01V). -
Page 77: Sour :Curr
SOUR:CURR B.10 SOURce:CURRent COMMAND Syntax: Short Form: SOUR:CURR <NRf> Long Form: SOURce:CURRent <NRf> Description: Sets the output current value. Maximum output current is rated current; minimum current is zero. Argument: <NRf> is a value in the range from 0 to rated current of unit. Rated voltage and current are defined by model (e.g., for KLN 6-100, rated voltage is 6V, rated current is 100A). -
Page 78: Sour :List:rtim
SOUR:LIST:RTIM B.16 SOURce:LIST:RTIMe COMMAND Syntax: Short Form: SOUR:LIST:RTIM <NRf> Long Form: SOURce:LIST:RTIMe <NRf> Description: Sets the output ramp-up time. Argument: <NRf> is a value in the range from 0.0 to 9.9 seconds. Example: SOURce:LIST:RTIMe 3.0 programs the output ramp-up time to 3.0 seconds. SOUR:LIST:RTIM? B.17 SOURce:LIST:RTIMe? QUERY Syntax:... -
Page 79: Source:memory:voltage:x Command
SOUR:MEM:VOLT:X B.23 SOURce:MEMory:VOLTage:X COMMAND Syntax: Short Form: SOUR:MEM:VOLT:X <NRf> Long Form: SOURce:MEMory:VOLTage:X <NRf> Description: Sets the memory location defined by X to the voltage value <NRf>. Argument: <NRf> is a value in the range from 0 to rated voltage of unit. Example: SOURce:MEMory:VOLTage:5 62.4 sets memory location 5 to 62.4V. -
Page 80: Source:voltage:protection:level Command
SOUR:VOLT:PROT:LEV B.29 SOURce:VOLTage:PROTection:LEVel COMMAND Syntax: Short Form: SOUR:VOLT:PROT:LEV <NRf> { MIN | MAX } Long Form: SOURce:VOLTage:PROtection:LEVel <NRf> { MIN | MAX } Argument: <NRf> is a value in the range from 0% to 110% of rated voltage. MIN is the value programmed for output voltage (SOUR:VOLT) MAX is 110% of rated voltage of unit Description: Sets the overvoltage protection (OVP) value (in Volts). -
Page 81: System:communicate:lan:gateway Command
SYST:COMM:LAN:GATE B.35 SYSTem:COMMunicate:LAN:GATEway COMMAND Syntax: Short Form: SYST:COMM:LAN:GATE <address> Long Form: SYSTem:COMMunicate:LAN:GATEway <address> Description: Sets a static default gateway address to be used during communication via the LAN inter- face. This command is invalid if DHCP is enabled (on). Argument: <address>... -
Page 82: System:communicate:lan:mac Command
SYST:COMM:LAN:MAC B.41 SYSTem:COMMunicate:LAN:MAC COMMAND Syntax: Short Form: SYST:COMM:LAN:MAC <string> Long Form: SYSTem:COMMunicate:LAN:MAC <string> Description: Sets the MAC address for communication via the LAN interface. Changing this address requires that power to the KLN 750W be cycled off, then on. Argument: <string>... -
Page 83: System:communicate:lan:telnet:port? Query
SYST:COMM:LAN:TEL:PORT? B.47 SYSTem:COMMunicate:LAN:TELnet:PORT? QUERY Syntax: Short Form: SYST:COMM:LAN:TEL:PORT? Long Form: SYSTem:COMMunicate:LAN:TELnet:PORT? Description: Indicates port assigned for Telnet communication via the LAN interface. Return Format: <Nrf> in text format, a number from 0 to 65535 Example: SYST:COMM:LAN:TEL:PORT? returns 8003 to indicate port 8083 is assigned to be used during Telnet sessions. -
Page 84: System:klock Command
TABLE B-2. ERROR CODES (CONTINUED) -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. Indicates that a legal program data element of block, expression, or string type was -223, “Too much data”... -
Page 85: System:version? Query
SYST:VERS? B.53 SYSTem:VERSion? QUERY Syntax: Short Form: SYST:VERS? Long Form: SYSTem:VERSion? Description: Indicates the SCPI version to which unit complies. Return Format: <string> where <string> is text in XXXX.X format corresponding to SCPI year and revision. Example: SYSTem:VERSion? returns 1990.0 (unit complies with SCPI version 1990.0.) B-11/(B-12 Blank) KLN 750W 121912... - Page 86 Via Acquanera, 29 22100 Como tel. 031.526.566 (r.a.) fax 031.507.984 info@calpower.it www.calpower.it...