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3-24

KLN 750W 121912

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. Accurate within 5% of Voltage display reading. Output resis-
tance: approximately 100 Ohms, maximum output current: approximately 10mA.

Current: The analog voltage between 0 to +10V d-c at pin 22, referenced to pin 24, represents 0
to the rated current of the unit. Accurate within 5% of Current display reading. Output resis-
tance: approximately 100 Ohms, maximum output current: approximately 10mA.

3.5.6.2

MONITOR UNIT STATUS

The following status signals are open collector TTL signals via an optocoupler referenced to
Programming Control port pin 8: maximum voltage is 30V, maximum current is 8mA. See Figure
3-4. Status noted in Figure 3-4 is present when signal is TTL high, absent when TTL low.

FIGURE 3-4. PROGRAMMING CONTROL PORT STATUS MONITORING

3.6

DIGITAL REMOTE MODE PROGRAMMING

KLN 750W models may be digitally programmed over a control bus using SCPI (Standard Com-
mands for Programmable Instruments). SCPI provides a common language conforming to IEEE
488.2 for instruments used in an automatic test system (see PAR. 3.7). The control bus used
must be either the IEEE 488 standard communication bus (General Purpose Interface Bus,
GPIB), or the RS-485 Serial Bus.

Refer to Table 2-3 for input/output signal allocations for communication via the GPIB and Table
2-2 for RS-485.

This section includes required setup for GPIB (address) and RS-485 (address and baud rate)
(PAR. 3.6.3.1), a discussion of GPIB bus protocols (PAR. 3.6.3.1) followed by a detailed expla-
nation of SCPI programming (PAR. 3.7).

!

STATUS PIN

DESCRIPTION

7

Unit power on

9

Alarm (OVP, OCP or output shut-

down applied to pin 23)

10

Output on

11

Constant Current (CC)

12

Constant Voltage (CV)

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Содержание KLN 100-7.5

Страница 1: ...cable 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...

Страница 2: ......

Страница 3: ...r or disassemble the unit There are no operator serviceable components or adjustments inside the unit High voltage components inside the unit can cause serious injury even with input power disconnecte...

Страница 4: ......

Страница 5: ...7 2 5 3 D C Output Grounding 2 7 2 5 4 Power Supply Load Interface 2 8 2 5 5 Load Connection General 2 8 2 5 6 Load Connection Using Local Sensing 2 9 2 5 7 Load Connection Using Remote Sensing 2 10...

Страница 6: ...IP Address LAN Interface Only 3 16 3 3 33 View 2nd Part of IP Address LAN Interface Only 3 17 3 3 34 View 3rd Part of IP Address LAN Interface Only 3 17 3 3 35 View 4th Part of IP Address LAN Interfa...

Страница 7: ...Current Calibration Procedure 4 3 APPENDIX A SCPI COMMON COMMAND QUERY DEFINITIONS A 2 CLS Clear Status Command A 1 A 3 IDN Identification Query A 1 A 4 OPC Operation Complete Command A 1 A 5 OPC Ope...

Страница 8: ...B 6 B 35 SYSTem COMMunicate LAN GATEway Command B 7 B 36 SYSTem COMMunicate LAN GATEway Query B 7 B 37 SYSTem COMMunicate LAN IP Command B 7 B 38 SYSTem COMMunicate LAN IP Query B 7 B 39 SYSTem COMMu...

Страница 9: ...Sensing 2 13 2 11 Series Connections with Remote Sensing 2 13 2 12 Optional Series Connection Kit 2 14 2 13 Parallel Connections Without Remote Sensing 2 14 2 14 Parallel Connections with Remote Sensi...

Страница 10: ...IEEE 488 Port Input Output Pin Assignments 2 2 2 4 Programming Control Port I O Pin Assignments 2 3 2 5 Maximum Load Wire Length for Voltage drop less than 1V 2 10 3 1 Front Panel Controls and Indica...

Страница 11: ...al via the front panel controls and displays or remote using 1 either analog signals applied to the Programming Control Port or 2 digital programming Digital pro gramming of standard models is via RS...

Страница 12: ...0 to 2 5 25 13 32 2 25 32 5 5 0 15 0 15 3 5 KLN 600 1 25 0 to 600 0 to 1 25 75 8 62 2 13 62 5 26 0 25 0 3 4 5 NOTES 1 Actual output voltage should be 0 1 of rated voltage when output voltage is set to...

Страница 13: ...ltage must not exceed 600V Temperature Coefficient Constant Voltage Mode Constant Current Mode 100ppm C of rated output voltage or current after 30 min ute warm up Temperature Drift Constant Voltage M...

Страница 14: ...onitor accuracy Rated voltage output 10 00V 0 25V Zero voltage output 0 00V 0 25V Rated current output 10 00V 0 25V Zero current output 0 00V 0 25V PHYSICAL CHARACTERISTICS Weight Less than 11 2 lbs 5...

Страница 15: ...oltage Fluctuations and Flicker EN 61000 3 3 2008 Section 5 EMC Immunity EN 61326 1 Electrostatic Discharge ESD EN 61000 4 2 2009 Class B Radiated RF Magnetic Field EN 61000 4 3 2006 A1 2008 A2 2010 C...

Страница 16: ...1 6 KLN 750W 121912 FIGURE 1 2 KLN 750W POWER SUPPLY OUTLINE DRAWING TWO UNITS MOUNTED IN RACK SHEET 1 OF 2...

Страница 17: ...ol The display uses two 4 digit LED displays to provide a digital readout of output voltage and current 1 5 REMOTE CONTROL The KLN 750W Power Supply can be remotely controlled directly via the built i...

Страница 18: ...eans of software see Section 4 1 7 2 PROTECTION The following protection is provided OVP Overvoltage protection OCP overcurrent protec tion OTP overtemperature protection and blown fuse 1 7 3 SAVING A...

Страница 19: ...s 542 0035 SER IN mating connector Supplied installed on SER IN connector to allow series connection of two units 542 0036 L type Brackets 2 with mounting screws 4 Used with optional rack mounting Kit...

Страница 20: ...manual see listing on Safety page A preceding the Table of Contents Table 1 5 lists symbols used on the power supply or in this manual where applicable TABLE 1 5 SAFETY SYMBOLS SYMBOL Meaning WARNING...

Страница 21: ...OR FUNCTIONS NUMBER FIGURE 2 1 CONNECTOR TERMINAL FUNCTION 1 RS 485 3 pin pluggable terminal block Allows connection to RS 485 bus See Table 2 2 for details 2 Optional either 24 pin GPIB connector sho...

Страница 22: ...from computer See PAR 2 7 2 TABLE 2 3 GPIB IEEE 488 PORT INPUT OUTPUT PIN ASSIGNMENTS PIN SIGNAL NAME FUNCTION 1 DI01 I O Line 2 DI02 I O Line 3 DI03 I O Line 4 DI04 I O Line 5 EOI End or Identify 6...

Страница 23: ...roviding remote output on off function 14 EXT V input common Common for Pin 13 remote output on off function 15 PRL IN Input signal For units operating in parallel used for signal input into MASTER of...

Страница 24: ...goes off 5 Rotate encoder to change the digits for adjustment Turn clockwise to increase the value counterclockwise to decrease the value Tap encoder to move to the next digit Continue until the maxi...

Страница 25: ...ct unit from source power then disconnect test equipment C 1 count of the last displayed digit 2 4 INSTALLATION 2 4 1 RACK MOUNTING One or two side by side KLN 750W units can be mounted in a standard...

Страница 26: ...igure 1 2 3 Move the two units together and insert the shoulder screws into the keyhole shaped opening in the other unit two holes B Figure 1 2 Then slide the unit with the shoulder screws for ward un...

Страница 27: ...y operates from single phase a c mains power or between two phases of 3 phase a c mains power over the specified voltage and frequency ranges Table 1 2 without any need for range selection CAUTION DO...

Страница 28: ...ve any conceivable characteristic it may be fixed or variable it may have predominantly resistive capacitive or inductive parameters it may be located very close to the power supply output terminals o...

Страница 29: ...MUM OPERATION OBSERVE POLARITIES The S sensing wire must be connected to the load wire and the S sensing wire must be connected to the load wire IF LOCAL SENSING IS USED Install red and black sense le...

Страница 30: ...te sense connections Table 2 5 shows typical load wire length AWG wire size and load current required for a voltage drop of less than 1V Table 1 1 lists the maximum voltage drop compensation for each...

Страница 31: ...5 7 the unit will power up in Local mode with no further setup required 2 7 2 SETUP FOR REMOTE OPERATION VIA RS 485 CAUTION DO NOT CONNECT THE POSITIVE OUTPUT TO GROUND WHEN RS 485 IS USED THERE IS A...

Страница 32: ...1 Turn power on and refer to PAR 3 2 for power supply basics and PAR 3 6 for remote mode programming The default GPIB address is 07 to change it refer to PAR 3 3 17 The unit automatically enters remo...

Страница 33: ...es connections without local sensing and Figure 2 11 for series connec tions with remote sensing See PAR 3 4 1 for operating units connected in series FIGURE 2 10 SERIES CONNECTIONS WITHOUT REMOTE SEN...

Страница 34: ...connections without remote sensing and Figure 2 14 for parallel connections with remote sensing See PAR 2 5 5 for guideline regarding load connections See PAR 3 4 3 for operating units connected in p...

Страница 35: ...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...

Страница 36: ......

Страница 37: ...mode is selected via commands transmitted through one of the digital ports One port is for RS 485 port standard models The sec ond port is optional either an IEEE 488 GPIB G suffix models port or a L...

Страница 38: ...sing the Menu function 10 RCL STO dual function key A maximum of 16 memory settings can be stored or recalled See PAR s 3 3 6 and 3 3 7 for details a Press RCL as many times as needed to view the stor...

Страница 39: ...verter version and Current display shows Dx xx display board version The rest of the indicators are still unlit 15 CC indicator Lights when unit is in Constant Current mode 16 OVP indicator Overvoltag...

Страница 40: ...l lockout OFF Voltage Set Direct Enter Direct DHCP On Off On SYST COMM LAN GATE DHCP On from DHCP server DHCP Off 0 0 0 0 SYST COMM LAN IP DHCP On From DHCP server DHCP Off 192 168 0 100 SYST COMM LAN...

Страница 41: ...ess SHIFT key to enter SHIFT mode Verify blue LED lights then press ENTER key to leave MENU mode 3 3 LOCAL MODE OPERATION Local operation of the KLN 750W power supply is accomplished from the front pa...

Страница 42: ...alog signal from the Programming Control port PAR 3 3 26 CC M LOC or EXT Current set either LOC Local using the front panel or EXT Exter nal using the analog signal from the Programming Control port P...

Страница 43: ...fy Output Mode set to ENTER see PAR 3 3 8 2 To set current press A OCP A set key To set OCP first press SHIFT key blue LED goes on then press A OCP key 3 The right most digit blinks Rotate the encoder...

Страница 44: ...SUPPLY OUTPUT SETTINGS To recall the setting previously stored in one of 16 memory locations see PAR 3 3 6 proceed as follows When settings are recalled they can not exceed the OVP OCP values in effec...

Страница 45: ...output status is restored to the last output status ON or OFF before the unit was turned off When set to OFF the output status will always be off upon power supply restart 1 Enter the menu see PAR 3 2...

Страница 46: ...t the range of locations that can be accessed For example when the MEMORY FLAG is set as 05 it means that RECALL can only be executed from memory loca tions 01 through 05 1 Enter the menu see PAR 3 2...

Страница 47: ...mode displayed as 485 in Current display GPIB mode displayed as GPIB in Current display if GPIB interface installed LAN mode displayed as LAN in Current display if LAN interface installed 3 Rotate enc...

Страница 48: ...if GPIB option is installed then 485 to access RS 485 ADDRESS setting 2 Press ENTER key to view setting 3 Rotate encoder until Current display shows desired setting then press ENTER to confirm 3 3 19...

Страница 49: ...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 IP2 to access second part of IP address 2 Press ENTER key to view settin...

Страница 50: ...to access Parallel Serial Master Slave Setting 2 Press ENTER key to change setting Parallel Master displayed as PM in Current display Parallel Slave displayed as PS in Current display Serial Master di...

Страница 51: ...e displayed as LOC in Current display EXTERNAL Programming Control port mode displayed as EXT in Current display 3 Rotate encoder until Current display shows desired setting then press ENTER to confir...

Страница 52: ...rent display for IP Address 192 168 0 100 3 To change the IP address from the front panel first set DHCP function to OFF see PAR 3 3 19 then refer to PAR 3 3 20 through PAR 3 3 23 to change the addres...

Страница 53: ...x xxx nnn 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 The default IP address is 192 168 0 100 1 Enter the menu...

Страница 54: ...displayed in Current display for subnet mask address 255 255 255 100 3 3 39 VIEW 4TH PART OF SUBNET MASK ADDRESS LAN INTERFACE ONLY Used to view fourth part nnn of the 4 part Subnet Mask address xxx x...

Страница 55: ...00 to FF The default MAC address is 70 60 42 00 00 00 1 Enter the menu see PAR 3 2 2 and Table 3 3 and rotate the encoder until Voltage display shows V MA3 2 Press ENTER key to view setting For examp...

Страница 56: ...ave been read 3 4 SERIES PARALLEL OPERATION The following paragraphs describe operation of multiple units connected in series or parallel 3 4 1 SERIES OPERATION The front panel voltage displays of the...

Страница 57: ...luding SER IN connections 3 After turning on each unit set PSOP Parallel Series operation to PM Parallel Master in the Menu see PAR 3 3 24 3 4 3 PARALLEL OPERATION The front panel current displays of...

Страница 58: ...lows 1 Turn off power to Slaves then Master 2 Disconnect all parallel connections shown in either Figure 2 13 without remote compensa tion or Figure 2 14 with remote compensation including SER IN conn...

Страница 59: ...stable from 0 to 10V d c corresponding to 0 to rated output current between pin 18 and pin 26 of the Programming Control Port The analog voltage will control the output only after the function is enab...

Страница 60: ...ltage is 30V maximum current is 8mA See Figure 3 4 Status noted in Figure 3 4 is present when signal is TTL high absent when TTL low FIGURE 3 4 PROGRAMMING CONTROL PORT STATUS MONITORING 3 6 DIGITAL R...

Страница 61: ...cle with the KLN 750W power supply operating as either a Talker or a Listener See PAR 3 6 3 1 to change the GPIB address TABLE 3 4 IEEE 488 GPIB BUS INTERFACE FUNCTIONS FUNCTION SUBSET SYMBOL COMMENTS...

Страница 62: ...OMMENTS ATN Attention Received DAC Data accepted Received or Sent DAV Data Valid Received or Sent DCL Device Clear Received IFC Interface Clear Received MLA My Listen Address Received MTA My Talk Addr...

Страница 63: ...of the unit in the browser and press ENTER on the computer keyboard This launches the Instrument home page This allows viewing of the following information about the unit Model Manufacturer Serial Nu...

Страница 64: ...ories Communications HyperTerminal and key in the name of the connection e g KLN 20 38E FIGURE 3 7 OPEN HYPERTERMINAL CONNECTION 5 At the Properties dialog box open the Connect using drop down menu an...

Страница 65: ...ngs tab then click ASCII setup see Figure 3 9 FIGURE 3 9 HYPER TERMINAL ASCII SETUP c Check the Send line ends with line feeds and Echo typed characters locally boxes 6 Repeat steps 4 and 5 then from...

Страница 66: ...nd instruct the power supply to perform an action the controller may send a program message at any time Response messages consist of formatted data the data can contain information regarding operating...

Страница 67: ...ngs for later recall 3 7 3 6 SYSTEM SUBSYSTEM This subsystem is used to control the audible beep upon key presses enabling disabling the front panel keys and reading of error codes and SCPI version 3...

Страница 68: ...OUTPut subsystem OUTP STAT STAT OUTP OUTP OUTP PON OUTP PON ROOT colon SYSTem subsystem SYSTem BEEP BEEP COMM LAN DHCP DHCP GATE GATE IP IP IPAD IPAD MAC MAC RES SMAS SMAS TEL PORT TEL PORT ERR KLOC...

Страница 69: ...ally 4 2 EQUIPMENT REQUIRED The following equipment is required to calibrate the KLN Power Supply Digital Voltmeter DVM with 6 digits resolution and at least 0 002 accuracy for d c measurements NOTE...

Страница 70: ...rrent see PAR 3 3 3 to rated current of the unit as shown on front panel display 9 Refer to Figure 4 1 and set switch SW1 to OFF position 10 Press OUT key to enable the output 11 Record voltage shown...

Страница 71: ...4 1 then measure voltage across shunt DVM reading and use this value to calculate output current using I Amperes E R where E is the voltage across the shunt Volts and R is the value of the shunt resis...

Страница 72: ......

Страница 73: ...lds 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 A 4 OPC OPERATION COMPLETE COMMAND OPC Sy...

Страница 74: ...that the application program can mon itor the bus for data until it receives the 1 from the power supply Output Queue A 6 RST RESET COMMAND RST Syntax RST Description Resets power supply to the power...

Страница 75: ...P CONTrast QUERY DISP CONT Syntax Short Form DISP CONT Long Form DISPlay CONTrast Description Returns the brightness level set by DISP CONT Return Format NR1 TABLE B 1 SCPI SUBSYSTEM COMMAND QUERY IND...

Страница 76: ...wer up status of output and operation of OUTP command after power up or recovery from mains loss When set to OFF recommended the power supply will power up with output off output on off can be control...

Страница 77: ...is 110 of rated voltage MIN sets OCP to be the same as the value programmed for output current RST sets SOUR CURR PROT LEV to maximum value Example SOURce CURRent PROtection LEVel 27 5 sets the overc...

Страница 78: ...MEM CURR X Long Form SOURce MEMory CURRent X Description Returns current value stored in memory location X in Amperes Return Format NRf Example SOURce MEMory CURRent 5 returns 11 6 Voltage stored in...

Страница 79: ...to 30V B 26 SOURce VOLTage QUERY SOUR VOLT Syntax Short Form SOUR VOLT Long Form SOURce VOLTage Description Indicates programmed output voltage in Volts Return Format NRf Example SOURce VOLTage retur...

Страница 80: ...LEVel returns 44 to indicate overvoltage protection level is pro grammed to 44V B 31 SYSTem BEEP COMMAND SYST BEEP Syntax Short Form SYST BEEP ON OFF 1 0 Long Form SYSTem BEEP ON OFF 1 0 Description S...

Страница 81: ...ument address is text in the format xxx xxx xxx xxx Example SYST COMM LAN IP 192 168 0 100 sets the IP address to 192 168 0 100 B 38 SYSTem COMMunicate LAN IP QUERY SYST COMM LAN IP Syntax Short Form...

Страница 82: ...described above B 44 SYSTem COMMunicate LAN SMAS COMMAND SYST COMM LAN SMAS Syntax Short Form SYST COMM LAN SMAS address Long Form SYSTem COMMunicate LAN SMAS address Description Sets the Subnet Mask...

Страница 83: ...justable 74 REMOTE SENSE OVER The max compensation voltage is 5V d c the sum of two wires i e 2 5V d c for each 75 D2D Module 1 fault The DC to DC converter module number 1 is failed There is only one...

Страница 84: ...e front panel restores the unit to local mode Argument None Example SYSTem REMote puts the power supply in remote mode 222 Data out of range Indicates that a legal program data element was parsed but...

Страница 85: ...t 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 revisi...

Страница 86: ...Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it...

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