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2-14

KLP-HV 031308

2.7.9

ANALOG I/O CONNECTIONS

The Analog I/O Port connector, located on the rear panel of the KLP power supply (see Figure
2-2), provides access for all analog programming inputs and status signal outputs. In addition,
an external trigger input is available for use with SCPI *TRG and TRIG commands. Refer to
Table 2-7 for analog I/O programming signal pin assignments and descriptions.

These signals must be protected from radiated and conducted noise as well as from physical
contact with non-valid driving sources. The following subsections address specific programming
signal applications; in general, however, when accessing this connector from distant locations
or high-noise environments, it is recommended that a shielded cable be used, with the shield
terminated to the system's single point ground. 

a. Analog Programming Enable (ANALOG_CTRL)

Connect pin 12 (Analog Control) to pin 9, 11, 13, or 15 (ground) to enable analog I/O pro-
gramming.

b. External Voltage and Current Programming (V_Ref and C_Ref) 

Twist the voltage programming signal V_Ref (pin 3), Current Programming signal C_Ref (pin
1) and ground (pin 9, 11, 13, or 15). Configure Analog I/O switch positions 1 and 2 to use
either voltage or resistance as the programming source. Factory default for full scale output
is 10V or 10 Kohms (see par. 4.3.3 to set lower values for full scale output).

c. Voltage and Current Readback (VOLT_RBACK and CURR_RBACK)

Twist the voltage readback signal VOLT_RBACK (pin 6), Current readback signal
CURR_RBACK (pin 7) together with ground (pin 9, 11, 13, or 15). Full scale readback volt-
ages are identical to selected full scale programming voltages (see PAR. 4.3.3). 

d. Remote Inhibit (REM_INH)

Twist remote inhibit (pin 8) together with ground (pin 9, 11, 13, or 15). See PAR. 3.2.13.5.1 to
configure active high or low and PAR. 3.4.1 to enable/disable the output using remote inhibit.

e. Fault Connections (RELAY_NC, RELAY_COM, RELAY_NO

It is recommended that normally open and normally closed relay signals RELAY_NC (pin 10)
and/or RELAY_NO (pin 2), respectively, be twisted together with RELAY_COM (pin 4) as
needed to eliminate noise pickup. See PAR. 3.2.13.3 to configure internal relay.

f. External Trigger (EXT_TRIG)

External Trigger may be used with the SCPI TRIG commands (see KLP Developer’s Guide)
during digital remote operation. For noise suppression it is recommended that wires from
EXT_TRIG, pin 14 and ground (pin 9, 11, 13, or 15) be twisted together. 

2.8

DIGITAL CONNECTIONS

The following paragraphs describe the connections required to use the GPIB, RS 232 [-1200
Models only] or LAN [-1.2K models only] ports for remote control of the unit.

2.8.1

GPIB CONNECTIONS

Your computer must have a GPIB interface card installed. Connect the power supply to the
computer’s GPIB interface card. Use a standard GPIB interface cable at the GPIB port on the
rear panel (See Figure 2-2). Refer to Table 2-3 for GPIB port pin assignments. Refer to PAR.
3.2.9 to change the default GPIB address (6) from the front panel. 

Содержание KLP 10-150-1.2K

Страница 1: ...REV 1 KLP 75 33 1200 REV 25 KLP 75 33 1 2K REV 1 KLP 150 16 1200 REV 22 KLP 150 16 1 2K REV 1 KLP 300 8 1200 REV 14 KLP 300 8 1 2K REV 1 KLP 600 4 1200 REV 3 KLP 600 4 1 2K REV 1 2 A Change Page may b...

Страница 2: ......

Страница 3: ...USA Importer s Name and Address Type of Equipment Component Power Supply Model No PRODUCT MODEL NUMBER Year of Manufacture I the undersigned declare that the product specified above when used in conj...

Страница 4: ...wire grounded mains connection See wiring section of this manual for complete electrical wiring instructions EN61010 1 2001 Cl 6 10 1 4 This power supply has secondary output circuits that are conside...

Страница 5: ...orming any servicing The PROTECTIVE EARTHING CONDUCTOR TERMINAL must be properly con nected prior to application of source power to the product see instructions on instal lation herein in order to ens...

Страница 6: ......

Страница 7: ...Controls and Indicators 2 1 2 2 2 Rear Panel Connectors and Switches 2 1 2 3 Source Power Requirements 2 6 2 4 Cooling 2 6 2 5 Preliminary Operational Check 2 6 2 6 Installation 2 7 2 6 1 Rack Mountin...

Страница 8: ...actory Default Settings 3 18 3 3 1 1 GPIB Factory Defaults 3 18 3 3 1 2 RS 232 Factory Defaults 1200 Models Only 3 18 3 3 1 3 LAN Factory Defaults 1 2K Models Only 3 18 3 3 2 Additional Functions Not...

Страница 9: ...4 3 3 External Calibration Local 4 3 4 3 4 Calibration Exit Local 4 4 4 4 Calibration using VXI plug play Driver 4 4 4 4 1 Voltage Calibration VXI plug play Driver Demo 4 6 4 4 2 Current Calibration...

Страница 10: ...c IP Address 3 21 3 4 Web Interface Home Page Unit Description 3 21 3 5 Web Interface Configure Instrument Page 3 22 3 6 Web Interface Configure LAN Page 3 24 3 7 Web Interface Operate Instrument Page...

Страница 11: ...unctions 2 2 2 3 IEEE 488 Port Connector J4 Pin Assignments 2 4 2 4 RS232 Port Connector J3 Pin Assignments 1200 Models Only 2 4 2 5 LAN Port Connector J7 Pin Assignments 1 2K Models Only 2 5 2 6 Cont...

Страница 12: ...vi KLP031308 FIGURE 1 1 KLP SERIES POWER SUPPLY...

Страница 13: ...um current at rated voltage and rated current and maximum voltage at rated current parameters define the virtual models available within the limit of 1200 Watts of output power see Figure 1 2 KLP powe...

Страница 14: ...V 1 6A 0 120A 10V 120A 75 mV 82 KLP 36 60 3 0 36V 33 3A 36V 0 8A 0 60A 20V 60A 125 mV 83 KLP 75 33 3 0 75V 16A 75V 0 4A 0 33 3A 36V 33 3A 125 mV 84 KLP 150 16 3 0 150V 8A 150V 0 2A 0 16A 75V 16A 125 m...

Страница 15: ...current mininimum to 100 of rated current No minimum load required See Table 1 1 for minimum programmable current Source effect voltage 0 01 Emax Over full source range current 0 01 Imax Load effect v...

Страница 16: ...36V models Nickel plated copper busbars Provision for safety covers 75 600V models Shocksafe Euroblock Analog programming port 15 pin D sub Digital programming ports primary Standard GPIB connector I...

Страница 17: ...3 2 13 5 1 Composite status flag Isolated form C contacts Programmable functions PAR 3 2 13 3 PROGRAMMING CHARACTERISTICS DIGITAL Supported Interfaces 1200 Models GPIB and RS 232 SCPI command set for...

Страница 18: ...1 6 KLP 031308 FIGURE 1 3 KLP SERIES POWER SUPPLY MECHANICAL OUTLINE DRAWING SHEET 1 OF 2 R DWG MECH 3010266...

Страница 19: ...KLP 031308 1 7 FIGURE 1 3 KLP SERIES POWER SUPPLY MECHANICAL OUTLINE DRAWING SHEET 2 OF 2...

Страница 20: ...ds or via the LAN port using SCPI commands or web pages Most features available in local mode can be accessed in remote mode through dig ital programming as well as some that are only available via di...

Страница 21: ...00 memory locations for programming sequences that can program the KLP to produce a variety of sequential output operations Each memory location accommodates a value for voltage and current and a dwel...

Страница 22: ...require the use of multiple KLP 1200 Model power supplies in either series for higher voltage or parallel for redundancy or higher current the master slave feature allows a single power supply the ma...

Страница 23: ...SNC 488 1 IEEE 488 GPIB Cable 2m long Connect KLP Power Supply to GPIB bus SNC 488 2 IEEE 488 GPIB Cable 4m long Connect KLP Power Supply to GPIB bus SNC 488 4 Chassis Slide 2 required per power supp...

Страница 24: ......

Страница 25: ...utton switch Rotate to set output voltage PAR 3 2 7 and overvoltage limit PAR 3 2 8 Also used to enter SET mode of voltage programming PAR 3 2 7 2 change GPIB address PAR 3 2 9 change RS232 baud rate...

Страница 26: ...n without blinking LED not lit indicates failure FUNCTION momentary switch Used to set user determined limits on voltage and current virtual model PAR 3 2 6 change GPIB address PAR 3 2 9 change RS232...

Страница 27: ...KLP HV 031308 2 3 FIGURE 2 2 KLP SERIES REAR PANEL SWITCH AND CONNECTORS...

Страница 28: ...common 22 GND Ground signal common 23 GND Ground signal common 24 LOGIC GND Logic Ground TABLE 2 4 RS232 PORT CONNECTOR J3 PIN ASSIGNMENTS 1200 MODELS ONLY PIN SIGNAL NAME FUNCTION NOTE A null modem c...

Страница 29: ...position 1 See Table 2 2 Refer to PAR 3 4 3 for voltage programming and 3 4 2 for resistance programming 4 RELAY_COM Relay common 1 5 Reserved 6 VOLT_RBACK Analog signal which represents output volta...

Страница 30: ...llation is advisable to ascertain whether the power supply has suffered damage resulting from shipping Refer to Figures 2 1 and 2 2 for location of operating controls and electrical connections Table...

Страница 31: ...to enable the output Verify DC OUTPUT indicator lights 8 Compare the programmed output voltage value step 5 with the voltage reading of the DVM the difference between the two should not exceed 0 05 o...

Страница 32: ...under worst case efficiency conditions at the lowest rated source voltage 100V a c and provides the necessary overload protection to the power supply s internal circuitry The user must provide a prope...

Страница 33: ...ound point is entirely dependent upon the specific applica tion and its selection requires a combination of analysis good judgement and some amount of empirical testing If there is a choice in selecti...

Страница 34: ...e power leads it cannot completely compensate for the undesirable output effects of the power lead inductance These lead impedances both power and sensing leads are especially important if the load is...

Страница 35: ...d 3 2 11 2 7 7 PARALLEL REDUNDANT OPERATION Identical KLP power supply models may be connected in parallel in order to provide increased output current to a common load see Figure 2 5 This permits the...

Страница 36: ...2 12 KLP HV 031308 FIGURE 2 4 SERIES CONNECTION USING REMOTE SENSING FIGURE 2 5 PARALLEL CONNECTIONS USING REMOTE SENSING 2 7 6...

Страница 37: ...ired power lead voltage drops must be minimized Provide local noise decoupling capacitors across all sense wire termination points b The power supplies should be located as near to each other as possi...

Страница 38: ...dback VOLT_RBACK and CURR_RBACK Twist the voltage readback signal VOLT_RBACK pin 6 Current readback signal CURR_RBACK pin 7 together with ground pin 9 11 13 or 15 Full scale readback volt ages are ide...

Страница 39: ...lder Apple MAC computers with D sub serial port See Table 2 4 for RS 232 port pin assignments Connect the cable to the KLP at the RS 232 port located on the rear panel See Figure 2 2 Refer to PAR 3 2...

Страница 40: ......

Страница 41: ...ions are provided by a 4 character alpha numeric display 3 2 1 TURNING THE POWER SUPPLY ON 1 To turn the power supply on set POWER ON OFF circuit breaker 1 Figure 2 1 to ON Apply firm continuous press...

Страница 42: ...med current is automatically set to be at least the minimum current actual value depends on model see Table 1 1 Since the output is off Constant Voltage CV mode indicator green LED and Con stant Curre...

Страница 43: ...unit will accept Analog Remote commands see PAR 3 4 and front panel controls are disabled except that the DC OUTPUT ON OFF switch is operational Local mode can be restored by pressing the VOLTAGE and...

Страница 44: ...LTAGE or CURRENT control The status display reads SET and the DC VOLTS and DC AMPERES displays show the stored setpoints To accept the displayed value tap the associated adjustment control again To ch...

Страница 45: ...cessible from the front panel see PAR 3 3 2 should be checked to ensure that there are no settings outside the range permitted by the new maximum programmable voltage and current Storage of User progr...

Страница 46: ...T Rotating the associated control will change the output voltage or current in real time only if the output is enabled If the unit is in constant voltage mode CV indicator lit the DC VOLTS display sho...

Страница 47: ...ed value buffer is cleared and setpoints will default to zero volts and minimum current NOTE If the virtual model for the power supply is altered the last settings are reset to zero volts and minimum...

Страница 48: ...ayed GPIB address The display briefly reads DONE then returns to ADDR 5 Rotate the VOLTAGE control until display reads EXIT then tap the DC OUTPUT switch to exit 3 2 10 CHANGING RS232 BAUD RATE 1200 M...

Страница 49: ...ting the control Both connected units must be set the same either SERI or PARA Specify the total number of units in the configuration to 2 by rotating the CURRENT con trol Specify the unit number to b...

Страница 50: ...2 11 3 OPERATING THE MASTER SLAVE CONFIGURATION 1200 MODELS ONLY Once the master is configured it searches for the slave specified Until the slave is set up prop erly the master status display will c...

Страница 51: ...ther VOLTAGE or CURRENT control to see desired setting and press DC OUTPUT switch to save ON The KLP requests an IP address from the DHCP server AUTOIP set to OFF OFF The KLP uses the IP MASK GATE and...

Страница 52: ...escribed above RTN Return to LAN menu 3 2 13 UTILITY FUNCTION The Utility Function provides additional system information or access to special functions These are described below 1 If the status displ...

Страница 53: ...m the front panel to operate in either Fault Manual or List mode If FAULT mode the factory default is selected the relay energizes automatically upon detection of a user selected condition The selecti...

Страница 54: ...ay determines the length of time that the unit must be operat ing in the new mode before energizing the relay The factory default delay time is set to 1 0 seconds to prevent false tripping of the rela...

Страница 55: ...n active TTL high or low and 2 how the unit recovers from a fault The unit password is required to change these functions 1 Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE o...

Страница 56: ...g a safe response output off but it is the user s responsibility to NOT attempt multiple consecutive restarts without eliminating the fault condition AUTOmatic When a fault configured as AUTO is detec...

Страница 57: ...lay shows the fault The setting in the DC VOLTS display begins to blink Rotate either VOLTAGE or CURRENT control to cycle through the allowable settings Tap the DC OUTPUT switch to accept the setting...

Страница 58: ...EFAULTS 1200 MODELS ONLY The factory default RS 232 settings are as follows refer to PAR 3 2 10 to change the RS 232 baud rate 1200 Models only Baud rate 38400 Parity None Data Bits 8 Stop Bits 1 Echo...

Страница 59: ...e www kepco power com drivers Examples are provided in the KLP Developer s Guide 3 3 4 REMOTE PROGRAMMING USING THE LABVIEW G INSTRUMENT DRIVER The LabView G driver for KLP available for download at t...

Страница 60: ...he left side of the window If you do not see your device in the Select a Unit window make sure it is turned on and con nected to the network then click the Search Again button To set a static IP addre...

Страница 61: ...KLP is removed or lost while a browser window is open commu nication with the KLP can not be restored until the present browser window is closed and a new window is opened Although most current brows...

Страница 62: ...elected This is especially important if more than one unit is found on the LAN 3 3 6 3 INSTRUMENT CONFIGURATION USING WEB INTERFACE 1 2K MODELS ONLY Click on CONFIGURE INSTRUMENT at the left to view t...

Страница 63: ...shown on the CONFIGURE INSTRUMENT page The CONFIGURE LAN password restricts the ability to change the LAN configuration parameters shown on the CONFIGURE LAN page Figure 3 6 The factory default is th...

Страница 64: ...lt and operation via the web is disabled When the fault is corrected click OK to close the alert window and resume operation via the web NOTE If the OPERATE INSTRUMENT password has been set see PAR 3...

Страница 65: ...ick the ON OFF button within the simulated front panel 3 3 6 5 2 CHANGING PROTECTION 1 2K MODELS ONLY Click PROTECTION to open the Protection dialog box Figure 3 8 To set the overvoltage and overcurre...

Страница 66: ...the modified settings To save the active settings Enter the desired location 1 to 40 in the LOCATION box and click Save State button to save the active settings Only the parameters shown in Figure 3...

Страница 67: ...and are retained until reprogrammed the power supply is turned off a calibration is performed or a LIST CLEar command is received If a virtual model setting is changed and a programmed value is outsi...

Страница 68: ...amp buttons however the total number of steps can not exceed 100 To execute the list enter the number of times the list is to be executed in the Loops box 0 is continuous set the output on click the O...

Страница 69: ...to full scale see PAR 4 3 3 will cause a corresponding decrease in programming resolution With the exception of Vref and Cref all the other Analog I O Port functions are active regardless of the statu...

Страница 70: ...or ON Local controls locked 3 Configure Analog I O Port J2 Figure 2 2 by referring to Table 2 7 and Figure 3 14 ground ing J1 pin 12 enables analog programming FIGURE 3 14 ANALOG PROGRAMMING OF OUTPU...

Страница 71: ...ither OFF Local controls enabled or ON Local controls locked 3 Configure Analog I O Port J2 Figure 2 2 by referring to Table 2 7 and Figure 3 15 ground ing J1 pin 12 enables analog programming 4 Refer...

Страница 72: ...pressing the VOLTAGE and CURRENT adjustment con trols at the same time then see PAR 3 2 8 If the panel is locked and RS 232 or GPIB access is not possible turn the power supply off set ANALOG I O DIP...

Страница 73: ...latile memory either when EXIT is executed local mode PAR 4 3 4 or SAVE Calibration is executed remote mode PAR 4 4 4 Calibration of the KLP is performed in one of two ways locally using the front pan...

Страница 74: ...GE or CURRENT control in either direction until status display reads CAL 7 Tap DC OUTPUT switch to enter calibration mode The status display shows PASS Enter the password see PAR 3 2 5 and tap DC OUTP...

Страница 75: ...p the DC OUTPUT switch to accept the value The status display reads CMAX Rotate the CURRENT control to increase or decrease the DVM reading until the DVM reading corre sponds as close as possible to m...

Страница 76: ...nt to enter the current date Rotate either the VOLTAGE or CURRENT controls to change the digit then tap either control to move to the next digit NOTE For purposes of traceability the user is strongly...

Страница 77: ...ected across the sense terminals of the shunt resistor 1 Turn off power supply and disconnect load from output bus bar at the rear of the unit 2 Verify that power supply is configured for local error...

Страница 78: ...PAR 4 4 4 to exit calibration 4 4 1 VOLTAGE CALIBRATION VXI plug play DRIVER DEMO During voltage calibration the voltage voltage readback and remote analog voltage readback are calibrated 1 Click the...

Страница 79: ...ent readback are cali brated 1 Click the CURRENT button on the Calibration Window to start current calibration the Cur rent Calibration Window Figure 4 3 appears and the status display on the VXI main...

Страница 80: ...to establish full scale output current and voltage are defined The factory default calibration of 10V programs full scale output however the following procedure allows any d c value up to 10V to progr...

Страница 81: ...aximum rated voltage and current is set to the value corresponding to 1200 Watts If a current calibration is completed but no Voltage calibration the virtual model cur rent will be set for maximum rat...

Страница 82: ...e moved to Previous and the new calibration values are stored in Working It is possible to replace the Working calibration values with either the Previous or the Factory calibration values contact Kep...

Страница 83: ...oad see PAR 3 2 3 How do I establish the operating mode Operating mode is determined automatically by the programmed voltage Vp and current Ip settings and the load If the load impedance is greater th...

Страница 84: ...tual model limits Programming inputs are only active when analog port is enabled See PAR 3 4 2 for details How do I Read back operating voltage and current Analog signals proportional to actual output...

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