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Summary of Contents for LAB-HP

Page 1: ...ET System electronic GmbH Telefon 06205 3948 0 Fax 06205 37560 Hauptstra e 119 121 info et system de 68804 Altlu heim www et system de LAB HP...

Page 2: ...Software version V178 May 2021...

Page 3: ...face parameter Option 9 Front Panel Operation 9 Console and Rotary Pulse Encoder 9 Display and Settings 9 Current measurement values Display 9 Main display 10 UI display 10 Operating modes 10 Operatin...

Page 4: ...ace Reconfiguration 34 Data Log Function Option 34 format of the saved Data 34 Script Mode 35 Executing Loading a Script 35 Commands 35 Syntax 35 Quick view of commands 35 Detailed description of comm...

Page 5: ...evelopment division we can fast and flexibly adjust to our customers requirements Necessary approvals such as CSA UL VDE T V etc are flexibly carried out by qualified personnel The approval procedures...

Page 6: ...05 Nominal Current Internal Fuse3 20 A 40 A 60 A 80 A 120 A 180 A 240 A Breaking Capacity Fuse Automatic Fuse3 built in Circuit Breaker KLK 20 A Recommended Supply Breaker value and curve 16 A Type D...

Page 7: ...ible load resistance 2 k Imax 5 mA Minimum load resistance for 0 1 accuracy 100 k Analog inputs Xset Input resistance 1 M Maximum permissible input voltage 25 V Reference voltage Reference voltage Ure...

Page 8: ...Technical Specifications 4 ET System electronic GmbH TECHNICAL DRAWING...

Page 9: ...ed in case it needs to be transported in the future or claims for compensation need to be asserted SETTING UP To avoid electric shocks and product failure the device should be installed in a temperatu...

Page 10: ...age is calculated by means of the present output current to simulate an internal resistance Table mode Set values for current and voltage are saved in a table Therefore UI characteristics can be easil...

Page 11: ...ermanently Control via analog interface Connect the AI interface like the wiring diagram on page 27 Close the Extern control switch The adjustment of set points and the selection of an operation mode...

Page 12: ...value irrespective of the values that have been set at the front panel or at one of the interfaces The adjustment range is 0 V up to the maximum rated voltage of the device Ilimit limits the maximum...

Page 13: ...meters can be selected by pushing the rotary pulse encoder and changed by turning the rotary pulse encoder function of the parameters Universal Interface FRONT PANEL OPERATION CONSOLE AND ROTARY PULSE...

Page 14: ...Voltage current and power limitation UIR Voltage and current limitation simulated internal resistance PVsim simulation of a photovoltaic characteristic User simulation of a user defined characteristi...

Page 15: ...ble internal resistance is simulated The set value for current limiting is transferred directly to the switch mode regulator PVsim Mode In PVsim mode the diagram of a PV generator is simulated Given v...

Page 16: ...nal after a numerical value a letter may be added to indicate the unit However this letter will not be analyzed Example Attached letter as unit UA 10 0 V Resets output voltage to 10 V UA 10 0 m Cautio...

Page 17: ...oller parameters for UIP UIR and PVsim mode RI or RST Reset Instrument Resets hardware no return value SB S R 1 0 Standby Enables blocks the output SCR CMD value Load Script Programming of script memo...

Page 18: ...SB R Output open IA 400 Output current 400 A this command is ignored because the current is higher than the maximum current of the device Rangeerror is set within the status byte IA 250 Output current...

Page 19: ...within UIR mode Example LIMRMAX Query of maximum adjustable internal resistance LIMRMAX 1 000R Unit answers 1 Ohm LIMRMIN Limit Rmin With this command the user can read the minimum adjustable range f...

Page 20: ...UIR MODE 2 UIR mode is activated MODE PVSIM MODE 3 PVsim mode is activated MODE USER MODE 4 User defined UI characteristic is activated The characteristic is defined with the commands DAT WAVE WAVELIN...

Page 21: ...ed OVP 200 Over voltage protection 200 V UA 100 Output voltage 100 V IA 10 Output current 10 A PA 500 Power limitation 500 W SB R Output open In master slave mode the power of a programmed device is a...

Page 22: ...the PCx command with the command SS No return value Example PC1 Query of first interface parameters PC1 RS232 9600 N 8 2 N E Unit answers PC1 is a RS232 interface 9600 bauds 8 data bits 2 stop bits no...

Page 23: ...or UIR mode SS Save new settings RI or RST Reset Instrument The unit executes a hardware reset No return value SB S R 1 0 Standby This command enables disables the output Entering the command without...

Page 24: ...1 unit in standby mode D0 OVP 1 shut down by over voltage protection Example STATUS Status query STATUS 0000000100010000 Unit answers Remote operation mode power limitation UA Umax Set Umax This comm...

Page 25: ...l voltage is n x UMPP WAVE End Userwave Data This command ends the transfer of a user defined output characteristic Interpolation of interim values is layered For detailed information about the functi...

Page 26: ...he decimal point depend on the present measurement value Example 600 V unit UA 10 4V UA 220 3V UA 1 1V Example 50 V unit UA 1 23V UA 10 47V UA 0 01V EXT CONTROL COMPUTER GPIB Connection is carried out...

Page 27: ...On On On Off 15 On On On On On 31 The device address is read in only when the unit is switched on Changing the DIP switches while the unit is active will not change the device address Table Device eq...

Page 28: ...connection of the RS232 interface is carried out with a 9pin sub D connector A null modem cable must be used as connector cable No Name Function 1 N C 2 TxD Data line from unit to PC 3 RxD Data line f...

Page 29: ...used internally can be 1 or 0 D2 Table D1 Table D0 Table Table Error messages D2 D1 D0 Error 0 0 1 Syntax 0 1 0 Command 0 1 1 Range 1 0 0 Unit 1 0 1 Hardware 1 1 0 Read If echo is on the interface co...

Page 30: ...bits 0 1 Stop bit D4 Data format 1 8 bit 0 7 bit D3 n a D2 Table D1 Table D0 Table Table Error messages D2 D1 D0 Error 0 0 1 Syntax 0 1 0 Command 0 1 1 Range 1 0 0 Unit 1 0 1 Hardware 1 1 0 Read Inter...

Page 31: ...Monitor output current 22 pwr 5 V Output 5 V supply voltage 23 gnd GND 24 digital out Error Signals shut down by OVP 25 gnd GND 26 nc All digital outputs are OC outputs with a pull up resistance after...

Page 32: ...oltage Measurement value refers to the rated voltage of the device Example LAB HP at 600 V output voltage AI is adjusted to 10 V voltage at output Umon 2 V Present set point Uset 2 V 600 V 10 V 120 V...

Page 33: ...ver the AI interface The settings from AI interface have no effect if the device is toggled to Remote Soft Interlock The Interlock deactivates the unit immediately when the connection between interloc...

Page 34: ...idual permanent IP address should be assigned The easiest way to check the IP of the device is by starting latronix device installer software Click search Now your network gets scanned for devices You...

Page 35: ...o set a static IP for the device you have to click Webconfig There you can set the new IP of the device Uncheck dynamic IP MONITORING THE DEVICE VIA BROWSER The user interface opens via direct request...

Page 36: ...d or command have been entered a DOS window opens with telnet xxx xxx xxx xxx 10001 Alternatively many terminal programs offer the possibility to establish a TCP IP or telnet connection When controlli...

Page 37: ...error D13 Framing error D12 Timeout error D11 Echo on D10 used internally can be 1 or 0 D9 Hardware handshake RTS CTS D8 Software handshake XON XOFF D7 Parity enable D6 Parity mode 1 odd 0 even D5 St...

Page 38: ...rd must be inserted or removed in standby mode only In case that the first entry of the first line of the file is interval xxxx xxxx time in seconds the memory interval is adjusted accordingly The ent...

Page 39: ...een two commands or between command and parameter Valid delimiters are blank tabulator LineFeed LF Carriage Return CR and equal sign Numerical values must be placed as basic units and may not be follo...

Page 40: ...A IMPP Set point MPP current This command adjusts the set point for the MPP current for PV simulation in ampere Example IMPP 8 123 MPP current 8 123 A LOOP LOOPCNT Return Loop Usually the script ends...

Page 41: ...ivate output STANDBY Deactivate output The command STANDBY deactivates the output and activates standby mode Example STANDBY Deactivate output U Set point output voltage Set point for output voltage i...

Page 42: ...of the script WAIT Waits until rotary pulse encoder is pushed U 10 5 1 ramp U 9 Command is processed within 1 ms Therefore the U 7 5 ramp has 5 interim values U 6 U 4 5 DELAY 15 15 ms pause U 4 8 2 ra...

Page 43: ...may not be predicable Example Characteristic with layered interim values This script delivers the blue characteristic in the diagram WAVE Start of the table 100 10 100 V 10 A 50 25 50 V 25 A 10 100 1...

Page 44: ...00 10 V 100 A WAVE End of the table U 100 Output Voltage 100 V I 100 Output Current 100 A USER Select characteristic RUN Output open DELAY 10000 Wait 10 seconds U 50 Output Voltage 50 V I 50 Output Cu...

Page 45: ...the open circuit voltage of the table In PVsim mode the current is regulated while the voltage is fixed CONTROL STRUCTURE UIP MODE The output voltage is multiplied with the output current The result...

Page 46: ...ential by a difference The following equation puts the controller into practice within the software Parameters P I and D are calculated as follows Controller parameters can be programmed via digital i...

Page 47: ...larity to the load distribution point connect sense and sense conductors to a 1 47 F capacitor protect sense cable or at least twist sense and sense select load line cross section so that voltage drop...

Page 48: ...at least the largest consumers are supplied centrally MASTER SLAVE MODE M S MODE In master slave mode multiple LAB HP units are connected via the ETS Bus To establish the connection any commercially...

Page 49: ...ocal lockout both units cannot be operated via front panel This status is indicated on both displays by the word LLO Note Master Slave mode is currently not working in combination with memory card If...

Page 50: ...re exchanged via bus only The display equals the standard display OVERVIEW OF THE CONNECTED UNITS Pushing the button Display twice will open a menu which displays the data of the first four LAB HP uni...

Page 51: ...t current MI 28 4A Unit answers 28 4 A MI 0 Measures present current of the first device MI 9 1A Unit answers 9 1 A GTR Remote Operation Mode active MI 9 4A Unit answers 9 4 A MI 2 Measures present cu...

Page 52: ...allel which doubles or triples the measured leakage current This is permissible according to the norm Quotation from the norm of 2008 appendix D When measuring protection conductor currents with the e...

Page 53: ...asured ripple by using a bandwidth of 20MHz and the blue line shows the measured ripple by using a measure bandwidth of 300kHz This example shows that the measurement bandwidth have a strong influence...

Page 54: ...ve a bandwith of 300kHz This rippel circuit was build at the labortory and was tuned by using a frequency analyser Bode 100 Also the used 1 1 Oscilloscope probe was during the tuning procedure connect...

Page 55: ...ET System electronic GmbH 51 NOTES...

Page 56: ...Notes 52 ET System electronic GmbH...

Page 57: ...Notes ET System electronic GmbH 53...

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