Gossen MetraWatt SSP 120 Series Operating Instructions Manual Download

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GMC-I Messtechnik GmbH

Summary of Contents for SSP 120 Series

Page 1: ...Operating Instructions SSP KONSTANTER 32 N Series SSP 120 SSP 240 and SSP 320 Programmable Power Supplies 3 349 267 03 12 10 18 ...

Page 2: ...2 GMC I Messtechnik GmbH ...

Page 3: ...e SAVE Key 41 4 9 1 Saving Basic Device Settings 41 4 9 2 Saving Data to a Memory Location 41 4 9 3 Clearing the Contents of a Defined Memory Range 42 4 9 4 Inserting a Memory Location 43 4 9 5 Deleting a Memory Location 44 4 9 6 Deleting the Contents of a Memory Location 45 4 10 Memory Recall with the RCL Key 45 4 10 1 Recall from SETUP Memory 45 4 10 2 Recall from SEQUENCE Memory 46 4 11 Disabli...

Page 4: ...ONSTANTER and to prevent personal injury The most important warnings are summarized below Reference is made to these warnings at appropriate points within the operating instructions Important Warnings WARNING I Protective Grounding The KONSTANTER may only be placed into operation after the protective conductor has been connected Interruption of the protective conductor either inside or outside of ...

Page 5: ...figuration of numerous additional functions such as limiting setting ranges overvoltage protection overcurrent shutdown delay and programmable digital signal inputs and outputs Up to 243 settings can be saved to memory and recalled either individually or sequentially for example in order to generate specific voltage or current characteristics And innovative circuit technology allows for nearly loa...

Page 6: ...rinciple Power Supply Required DC supply power is generated for each respective circuit from mains power which has been fed to the power pack via an interference suppression filter a wire fuse the mains switch and inrush current limiting The Central Processing Unit CPU Overall control of the SSP KONSTANTER is accomplished by means of the CPU on PCB A It uses an 80C32 8 bit microcontroller with 64 ...

Page 7: ...rol Mode Recognition and Overload An electrically isolated digital signal is derived from the output signals of the voltage and current regulators which indicates the currently active control mode constant voltage or constant current mode as long as overload operation is not active Overload indicates that power limiting has been triggered as a result of selected parameter settings and prevailing l...

Page 8: ...rox 15 settings per second Max Sampling Rateapprox 7 measurements per second IEC 625 IEEE 488 Interface optional Connection 24 pin socket connector per IEC 625 1 IEEE488 1 Interface SH1 SOURCE HANDSHAKE functions handshake source function AH1 ACCEPTOR HANDSHAKE handshake sink function T6 TALKER talker function with serial polling and automatic unlisting no secondary address and no talk only operat...

Page 9: ...e A EN 61000 4 3 1996 A1 1998 feature B EN 61000 4 4 1995 feature B EN 61000 4 5 1995 feature B EN 61000 4 6 1996 feature B EN 61000 4 11 1994 feature B Ambient Conditions IEC 68 2 6 90 Vibration resistance 10 55 Hz 0 3 mm 1 octave min 3 x 30 min IEC 68 2 27 89 Impact resistance 15 g 11 ms semi sinusoidal 3 x 6 shocks Temperature Operation 0 to 50 C range current derating at 40 C see also chapter ...

Page 10: ... 5 mAeff 0 5 mAeff 0 5 mAeff Settling time voltage with load step of 10 90 Inom Tolerance Typical values I 80 40 mV 200 s 80 mV 200 s 160 mV 200 s Under and overshooting with load step of 50 A ms Typical values I 80 400 mV 400 mV 800 mV Response time voltage with setpoint jump from 0 100 with setpoint jump from 100 0 Tolerance No load nominal load No load nominal load 40 mV 1 ms 1 ms 1 ms 1 ms 80 ...

Page 11: ... 25 mV 30 mA 18 mV 30 mA 18 mV 15 mA 30 mV 40 mA 5 mV 8 mA 5 mV 8 mA 5 mV 5 mA 10 mV 20 mA 15 mVeff 50 mAeff 15 mVeff 25 mAeff 15 mVeff 20 mAeff 30 mVeff 50 mAeff Ua 10 Unom 0 5 mAeff 0 5 mAeff 0 5 mAeff 0 5 mAeff 40 mV 600 s 80 mV 300 s 160 mV 200 s 64 mV 500 s 450 mV 450 mV 800 mV 450 mV 40 mV 1 ms 1 ms 1 ms 1 ms 80 mV 1 ms 1 ms 1 ms 1 ms 160 mV 4 ms 4 ms 4 ms 4 ms 64 mV 1 ms 1 ms 1 ms 1 ms 200 ...

Page 12: ...stallation to 19 Device Racks The SSP KONSTANTER housing allows for use as a benchtop instrument as well as for installation to a 19 rack One KONSTANTER and a cover plate or two devices next to each other can be installed to the rack The benchtop instrument can be quickly retrofitted for rack mounting Retrofit for Rack Mounting a Single Device Use the accessory adapter 19 adapter 1 x 32 N This acc...

Page 13: ...sure that overall current consumption does not exceed 10 A at the incoming supply lines Suitable mains jumper cables are available as accessories see order information on last page 2 1 5 Connecting Power Consumers The output leads are connected either at the front panel with 4 mm safety plugs to the and safety jacks or at the rear panel to the and outputs at the 6 pole screw terminal If loads are ...

Page 14: ...em These devices are connected to the bus with suitable commercially available cables with 24 pin plug connectors If your IEC bus system is equipped with the previously common 25 pin subminiature plug connectors you ll need a suitable adapter cable In order to assure reliable data transfer the cable length between any two devices should not exceed 2 meters and overall length should not exceed 15 m...

Page 15: ...ntents Deleted The desired settings can be selected starting with this basic configuration After a warm up period of approximately 30 minutes the instrument operates at maximum accuracy When the device is powered up again at a later point in time active device configuration depends upon the last setting selected for the POWER_ON function page 69 Default settings or Last used device settings or Las...

Page 16: ... set to 0 for transition from the highly resistive state Setpoints do not become active until after this transition has been completed Deactivation sequence Current is set to 0 A and voltage to 0 V for approximately 350 ms A sink is thus activated which discharges the output capacitors to the greatest possible extent The sink is then deactivated and the output becomes highly resistive However the ...

Page 17: ...knob 5 or by pressing the ENTER key The LEDs allocated to the display indicate which value is being displayed green LED measured value yellow LED setting value Uout V gr Measured output voltage value in V Uset V ye Output voltage setpoint in V blinking indicates that the displayed value has not yet been set If no adjustment is made for a period of 10 seconds during the display of a setting value t...

Page 18: ...d any associated dwell time setting for possible readjustment Detailed explanations are included in chapter 4 10 15 ENTER Key The ENTER key is used for several functions Execute selected functions Acknowledge selected text parameters Go to the next lowest function menu level Switch the display from Uout Iout to Uset Iset with active cursor Setpoint changes are acknowledged with the ENTER key in th...

Page 19: ...o options Take constant voltage or constant current from the terminal strip at the rear panel of the KONSTANTER Connect sensing leads for compensation of voltage drops in the output leads chapter 5 3 23 Exhaust Vents The exhaust vents are required for regulating the temperature inside the device Warm air generated during operation of the device is discharged via these vents with the help of a temp...

Page 20: ...decimal place indicates the resolution with which adjustment will take place Resolution can be adjusted with the SELECT key The setting can then be changed to the desired value with the rotary knob As soon as the selected setpoints have been activated they can also be adjusted with the scroll keys in which case resolution can also be pre selected Initializing the Procedure Slightly turn 1 the Uset...

Page 21: ...ng adjustment The old Uset value remains active Press the key or the key 11 until the desired value appears at the display 5 Each time the key is pressed output voltage is changed by an amount which corresponds to the value selected with the resolution setting function Pressing and holding the respective key results in rapid scrolling regardless of the step width Acknowledge the selected value wit...

Page 22: ...P Protection Functions Protection for the connected power consumer and the KONSTANTER by means of the following functions OVP overvoltage protection Functions Protection for the connected power consumer If voltage at the output terminals exceeds the selected OVP value the power output is deactivated Triggering of overvoltage protection causes immediate 200 s deactivation of the output OUTPUT OFF T...

Page 23: ... for Umin Umax Imin and Imax at the display or via the computer interface Stored Min Max values can be read out regardless of the status selected for the MINMAX function Settings See description in chapter 4 8 1 4 7 Operating Menu via the FUNCTION Key The FUNCTION menu consists of the following functions for configuring the KONSTANTER s parameters Function group Function Parameter numeric text Set...

Page 24: ... desired function group does not appear immediately at the left hand display repeatedly press the FUNCTION key until the name of the desired function group appears at the left hand display SEt in this example Forward scrolling through function groups in this menu Repeatedly press the FUNCTION key or Press and hold the FUNCTION key and repeatedly press the key at the same time Reverse scrolling thr...

Page 25: ...a The OVP trigger value makes reference to the prevailing voltage value between the output terminals of the SSP This voltage is increased by the USET parameter during sensing mode operation remote sensing by an amount equal to voltage drop at the output leads For this reason the above defined difference between OVP and USET must be correspondingly increased during sensing mode operation The select...

Page 26: ...play appears in the window for the setup function along with a related numeric parameter t Pon Specifying a Power On Status Functions Use automatic KONSTANTER configuration after power on Setting Parameters rSt RESET Factory default settings are utilized SbY STANDBY Same settings as prior to shutdown power output remains inactive OUTPUT OFF Disabled panel controls are re enabled after mains ON Fro...

Page 27: ... Parameter OFF Storage of Min Max values is deactivated ON Storage of Min Max values is activated RST contents in the Min Max memory are reset or replaced with the momentary measured value Umin Uout Umax Uout Imin Iout Imax Iout Settings The procedure is described in principle in chapter 4 7 The UI_ display and a related text parameter appear in the setup function window Default setting after RESE...

Page 28: ...h to Selection of the trG Text Parameter TRIGGER Signal Influence on OUTPUT Status LOW Status depends upon manual setting or programming command LOW _ HIGH OUTPUT remains OFF or OUTPUT is switched OFF HIGH OUTPUT in the OFF state cannot be switched on neither manually nor with a programming command HIGH _ LOW OUTPUT is activated except in the event of OTP or OVP TRIGGER Signal Influence on step by...

Page 29: ...elected dwell time tSEt or tdEF Setting Procedure for selecting Sig1 see also chapter 4 7 Settings The Sig1 display and a related text parameter status appear in the AnIF function window Figure 4 7 2 b Path to Selection of the SiG1 Text Parameter SiG2 Signal Output 2 Function and Parameters Identical to SiG1 page 29 Settings Identical to SiG1 page 29 Setting Parameters SIG1 OUT Status OFF Always p...

Page 30: ...e last function The sequence can then be ended or can be started over again at the start address depending upon the number of repetitions and the contents of the stop address location If the memory location assigned to the stop address contains setpoints i e if it is not empty the output remains active OUTPUT ON using the stop address setpoints after the sequence has been completed If the memory l...

Page 31: ...played value for the numeric dwell time parameter is used as a default setting SSEt Setting a Digital Switching Function Functions Preparation of the SSP KONSTANTER for the read out of a status signal from a specific memory location The duration of the signal depends upon the dwell time tSEt or tdEF selected for the memory location The signal is read out to the analog interface s SiG1 and or SiG2 ...

Page 32: ... or content will be deleted or added The SEQUENCE is always defined by means of a start address and a stop address The address of the memory location from which the SEQUENCE will start The start address can correspond to any memory location from 11 to 255 The start address is selected immediately before initially starting a new SEQUENCE The last selected start address is always valid for any given...

Page 33: ...and the key or the key The last selected and displayed value for the numeric stop address parameter is used as a default setting rEP Sequence Repetitions Functions Defines the number of SEQUENCE repetitions from the start address to the stop address The SEQUENCE is run from the selected start address to the stop address If repetitions have been programmed the pointer automatically jumps from the s...

Page 34: ...are read out to the power output and the signal output The LOCKED SEQ LED blinks slowly Figure 4 7 3 k Preparing for Automatic SEQUENCE Control In this case all memory locations are executed one after the other from the start address to the stop address and the respective values saved to each location Uset Iset tdef tset and SSEt are read out to the power output and the signal output The LOCKED SE...

Page 35: ... order to continue to the tdEF setting 14 Enter a tdEF value if necessary acknowledge by pressing the FUNCTION key and or jump to the next function 15 Strt Entry of a sequence start address is prompted 16 Select a start address with the key or the key if necessary acknowledge by pressing the FUNCTION key and or jump to the next function 17 StoP Entry of a sequence stop address is prompted 18 Selec...

Page 36: ...ext Address status HOLD HOLD Functions The next or the previous memory location can be selected at any time from a suspended sequence in the step by step control mode The setpoints saved to the next or the previous memory location are executed The selected dwell time of the exited and the new memory address is not taken into consideration The output retains its switching status output On or Off Wh...

Page 37: ...ended SEQUENCE can be ended at any time by executing the stop address If the memory location assigned to the stop address is empty the Uset Iset and Sset values from the hold address are retained If the memory location assigned to the stop address is not empty Uset and Iset are changed to the corresponding values Selected dwell time Tset of the of the current memory location is not taken into cons...

Page 38: ...en browse with the key the or the FUNCTION key until SEq start appears and execute the command with the ENTER key The SEQUENCE executes the start address The selected dwell time of the new and the exited memory address is not taken into consideration The LOCKED SEQ LED blinks slowly in the HOLD status Adding New Settings to an Existing SEQUENCE See chapter 4 9 4 page 43 Deleting an Individual SEQU...

Page 39: ...ing the desired parameter see chapter 4 7 bAud appears in the buS display along with the related parameter transmission speed dbit Selecting the Number of Data Bits Either 7 or 8 data bits can be used Settings at the SSP KONSTANTER and the controller must be identical Settings Procedure for selecting dbIt and setting the desired parameter see chapter 4 7 dbIt appears in the buS display along with ...

Page 40: ...LECT menu is expanded It doesn t matter whether the SEQUENCE function is in the RUN or the HOLD status Pout xxx x Max output power U_ xx xx Min output voltage U xx xx Max output voltage I_ x xxx Min output current I x xxx Max output current rcL xxx Current address memory location number rrEP xxx Number of remaining sequence repetitions USEt xx xx Programmed voltage value ISEt x xxx Programmed curr...

Page 41: ...ngs Saving data to a Memory Location Deleting all data within a defined memory range from address 11 to 255 Inserting additional data to a sequence Deleting an individual sequence memory 4 9 1 Saving Basic Device Settings Basic device settings can be saved to memory locations 1 through 10 These settings are saved to battery backed memory Settings for all of the following parameters can be saved to...

Page 42: ...om the start address to the stop address is cleared Deletion of data can be aborted at any time by pressing the CE LOCAL key Figure 4 9 3 Clearing all Content from the Start to the Stop Address ENTER SAVE ENTER Clear range from start to stop address Abort CE LOCAL FUNCTION RCL Uout Iout Uset Iset FUNCTION MENU RCL MENU Example of clearing all content from start to stop address 01 10 occupied 011 2...

Page 43: ...help of the sequence submenu Press the SAVE key Sto and the last selected address appear at the display Select the desired target address with the or the key Simultaneously press the SAVE and keys An i for insert appears in the right hand display next to the selected memory address number Execute the insert command by pressing the ENTER key An empty memory location is added at the selected memory ...

Page 44: ...s with the help of the sequence submenu Press the SAVE key Sto and the last selected address appear at the display Select the desired target address with the or the key Simultaneously press the SAVE and keys A d for delete appears in the right hand display next to the selected memory location address number Execute the delete command by pressing the ENTER key The address numbers of all memory loca...

Page 45: ...ngs USET OVset OCP START ISET Ulim DELAY STOP Tset Ilim MINMAX REPETITION Sset OUTPUT Tdef Settings Press the RCL key rcl appears at the left hand display and the last selected memory location number appears at the right hand display Select the desired address 1 10 by pressing the key or the key Press the ENTER key Iset and Uset settings saved to this address blink at the display Browse through th...

Page 46: ...key can also be disabled by applying a signal to the trigger input at the analog interface and selecting the appropriate setting for the T_MODE function thus preventing manual reactivation of the front panel controls 4 12 The ENTER Key The ENTER key is used to execute various functions in combination with the respectively selected operating mode ENTER Key Functions Pre Selecting Setpoints fixed va...

Page 47: ...ctions can be returned to a defined default value with the reset command see page 63 Press and hold the CE LOCAL key and then press the ENTER key 4 16 Selecting Remote and Local Control Modes After switching mains power on the manual operating mode is always active local state All front panel controls are enabled and the device can be operated manually LOCAL REMOTE Switching from manual to remote ...

Page 48: ...USET Voltage setpoint selected in manual mode Usu External control voltage 0 to 5 V 0 Uoutnom ku Control coefficient Uoutnom 5 V Rsu Input resistance Uset 10 k Uset 15 k For a detailed description refer to chapter 5 4 Iset input Analog voltage input with reference to AGND for controlling output current The following applies when the output is activated Iout ISET Usi ki Iout Output current in const...

Page 49: ...leads are twisted their impedance can be reduced as well Incorrect connection of the sensing leads does not damage the KONSTANTER although it results in the following reversible events Polarity reversal at sensing leads or interrupted output lead If output voltage is not being limited at the KONSTANTER by means of current regulation it climbs to well above the selected value This condition immedia...

Page 50: ...he control input Iset The following applies in the constant current regulating mode Iout ISET Usi ksi ISET selected current setpoint ksi current control coefficient Iout nom 5 V Max adjusting error 0 1 of Inom 2 of setting value Current control input Iset non inverting input Usi 0 5 V for Iout 0 A Ioutnom Input resistance is 10 k Notes The control input is not a floating input Its reference point ...

Page 51: ...ge UMI with reference to AGND which is proportional to output current Iout I MON serves as a control voltage for master slave parallel connection see chapter 5 9 2 However I MON can also be used for external measuring monitoring and recording The following applies UMI Iout kMI kload 0 10 V kMI 10 V Ioutnom I Monitor coefficient Ri I MONITOR 9 4 k I Monitor internal resistance Rload load resistance...

Page 52: ... to the same value Less suitable for constant voltage regulating mode Connection Figure 5 9 1 a Wiring for Direct Parallel Connection Settings Deactivate all outputs Adjust voltage setpoint USET of all parallel connected KONSTANTERs to approximately the same value Uset USET1 USET2 USET3 USETn Adjust current setpoints ISET such that they add up to the desired cumulative current value Iset Iset ISET...

Page 53: ...e differences an electronic sink is activated at the outputs with lower voltage settings The sink attempts in some cases in pulse mode to reach the lower voltage value Neither the KONSTANTERs nor the power consumer are damaged as a result If problems occur with measurement of load current the KONSTANTERs should be linked by means of master slave parallel connection see also chapter 5 9 2 The outpu...

Page 54: ...monitoring signal Slave 1 functions as a master device for the next downstream slave slave 2 and so forth Cumulative output current is thus always proportional to master output current The master controls the output on off status of the slave devices via the connection from the master SIG1 output SIG1 out setting to the Slave TRG input trG out setting Notes KONSTANTERs with Differing Nominal Value...

Page 55: ...nce is continuously reduced all of the outputs deliver the same load current at first When load current reaches the lowest selected current setpoint value current regulating is triggered at the respective output If load resistance is further reduced this output maintains constant load current until its output voltage has dropped to 0 V If even further reduction of load current occurs the affected ...

Page 56: ... input with the help of the voltage monitoring signal Slave 1 functions as a master device for the next downstream slave slave 2 and so forth Cumulative output voltage is thus always proportional to master output voltage The master controls the output on off status of the slave devices via the connection from the master SIG1 output SIG1 out setting to the Slave TRG input trG out setting Notes KONS...

Page 57: ...ection Connect the analog interface as shown in Figure 5 11 b The following relationship between internal resistance Ri and control resistance Rext applies with this wiring configuration Example Unom 40 V Inom 6 A Ri is 0 5 Rext 376 k Figure 5 11 b Wiring for Varying Internal Resistance Table of Rimax Values for All KONSTANTER Models Figure 5 11 c Standardized Curve for Determining Internal Output...

Page 58: ...sure to include question marks in query commands even where abbreviations are used Example 1 The following abbreviations can be used for the OUTPUT setting command OUTPUT OUTPU OUTP OUT OU Example 2 The following abbreviations can be used for the DELAY query command DELAY DELA DEL DE Query Commands Result in querying of a device setting or measured values Query commands always end with a question ...

Page 59: ...er ESR while the remaining commands are nevertheless executed Terminating Device Messages a IEEE 488 control The following end of text characters can be used for data receipt NL New line line feed 0Ahex NL EOI EOI end or identify DAB EOI DAB last data byte The still common end of message character combination CR LF 0Dhex followed by 0Ahex should no longer be used according to the standard Although...

Page 60: ...EMOTE LOCAL Switching to and from manual and remote operation with local lockout DC1 DEVICE CLEAR Rest function including selected device clear PP1 PARALLEL POLL Parallel polling function with remote configuring DT1 DEVICE TRIGGER Trigger function C0 No controller function E1 2 Open collector driver IDENTIFICATION CONFIGURATION IDN BASIC FUNCTIONS Extended BASIC FUNCTIONS MONITORING AND PROTECTION...

Page 61: ...orrect syntax and limit values until a trigger command is received TRG may not be included in the DDT command Otherwise bit 4 EXE execution error would be set in the standard event register and bit 3 DDTE define device trigger error would be set in event register B If the maximum string length is exceeded all characters in excess of the allowable number are ignored and an execution error message i...

Page 62: ...n ESE masking The message is read out via the parallel interface only Programming Setting command OPC Example HP Basic OUTPUT 713 USET 5 ISET 3 OPC Query Functions Are the controller and the device synchronized OPC follows the command which will generate a message After completion of the command a signal is transmitted to the controller The message can be read out via the serial and the parallel i...

Page 63: ...ister STB Unchanged Event registers ESR ERA ERB Unchanged Enable registers ESE ERAE ERBE SRE PRE Unchanged SAV Saving Device Settings Function and manual operation See explanation in chapter 4 9 Programming Setting command SAV n Parameter n memory location number Parameter type Integer Setting range 0 SAV 0 display for manual operation Sto clr clears contents of the sequence memory from the start ...

Page 64: ...uenced by serial polling If the self test is failed the TSTE bit is set in ERB event register B If appropriate masking is implemented with event registers ERDE and SRE an SRQ message is triggered WAI Wait to Continue Functions The WAI command is of no significance for programming the KONSTANTER It serves to synchronize the interface protocol in accordance with the IEC 488 2 standard ADDRESS Interf...

Page 65: ...ing DELAY v Length 11 characters fixed Parameter v value Format v nn nn Example HP Basic OUTPUT 713 DELAY ENTER 713 A DISP A Display DELAY 10 70 DISPLAY DISPLAY Activate Deactivate Digital Displays Settings Functions Activate deactivate the 7 segment displays during remote operation If the display has been deactivated it need not be continuously refreshed This results in somewhat shorter measuring...

Page 66: ...e functions do not cause any changes to the register contents Cleared only when the device is switched off and if the non volatile PSC flag is also set to 1 Cleared by entering a value of 0 Programming Setting command ESE n event standard enable register ERAE n event enable register A ERBE n event enable register B SRE n service request enable register PRE n parallel poll enable register Parameter...

Page 67: ...on and manual operation See explanation in chapter 4 8 1 Programming Query command IMAX Response string IMAX v Length 13 characters fixed Parameter v value Format nn nnnn Example HP Basic OUTPUT 713 IMAX ENTER 713 A DISP A Display IMAX 02 8550 IMIN Minimum Measured Current Value Function and manual operation See explanation in chapter 4 8 1 Programming Query command IMAX Response string IMAX v Len...

Page 68: ...x memory enable status Programming Query command MINMAX Response string MINMAX txt Length 10 characters fixed Parameter txt status Example HP Basic OUTPUT 713 MINMAX ENTER 713 A DISP A Display MINMAX OFF MODE Querying the Momentary Control Mode Function and manual operation Displays the momentary output control mode Evaluation of condition register CRA Direct querying of the momentary control mode...

Page 69: ...ction and manual operation Momentary values for output voltage and output current are acquired by means of the POUT function The two measured quantities are multiplied to arrive at power value Pout Approximately 90 ms are required to acquire and process the measured values See explanations in chapter 4 8 1 Programming Query command POUT Response string POUT v Length 12 characters fixed Parameter v...

Page 70: ...This function is modified as of software release 003 ON Open SEQUENCE as of rel 0031 SEQUENCE always open OFF Close exit SEQUENCE as of rel 0031 same function as SEQUENCE STOP Default setting ON after RESET RST 2 HOLD and CONT are only available as of software release 003 When you switch your KONSTANTER on rel 00x appears at the display indicating which software release you have 3 Step by step con...

Page 71: ...RQ Primarily the controller should read out information regarding device statuses and events The service request is transmitted via the common interrupt lead SRQ at the IEC bus SRQ trigger conditions can be selected from any of the messages which occur in the event registers including MAV Which event message or messages result in an SRQ message is determined by setting the enable registers accordi...

Page 72: ...rameter type Text character Setting range OFF signal output n passive high ON signal output n active low Example HP Basic OUTPUT 713 SSET OFF Signal output SIG_OUT1 SIG_OUT2 at the analog interface generates a passive high signal Query Queries the sequence s function status Programming Query command SSET Response string SSET txt Length 8 characters fixed Parameter txt status Example HP Basic OUTPU...

Page 73: ...se a c n2 n1 1 x38 1 characters Parameter n v1 v2 v3 txt nnn 000 000 00 0000 00 00 CLR memory address USET ISET TSET SSET If the response to SSET is CLR the queried memory location is empty Example b HP Basic OUTPUT 713 STORE 14 ENTER 713 A DISP A Display STORE 014 015 000 03 0000 09 70 ON Example a c HP Basic for case a start address 11 and stop address 13 apply a OUTPUT 713 STORE c OUTPUT 713 ST...

Page 74: ...values Default setting Unchanged after RESET RST Example HP Basic OUTPUT 713 T_MODE LLO trigger input influences control panel disabling 1 If the SEQUENCE function has not first been initialized an active trigger signal results in error message Err 27 which is displayed for approximately 1 second and bit 5 SEQE is set in event register B ERB RCL or SEQ settings can only be executed if the SEQUENCE...

Page 75: ...ogramming Query command ULIM Response string ULIM v Length 13 characters fixed Parameter v value Format v nnn nnn Example HP Basic OUTPUT 713 ULIM ENTER 713 A DISP A Display ULIM 020 000 UMAX Maximum Measured Voltage Value Function and manual operation See explanation in chapter 4 8 1 Programming Query command UMAX Response string UMAX v Length 13 characters fixed Parameter v value Format nnn nnn ...

Page 76: ...SET ENTER 713 A DISP A Display USET 012 500 WAIT Additional Waiting Time Function Additional waiting time between execution of two commands This function can be used to add additional waiting time within a command string linked commands during processing execution For example this allows for defined programming of a specified power on status start up edge within a command string with execution tim...

Page 77: ... 0 1 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 RQS MSS 1 1 1 1 1 Service Request Generation Parallel Poll Functions DI06 MSS Service Request Functions rsv RQS SRQ SRQ STS LED SRE Serial Poll or STB SRE n 0 n 255 PRE IST ist ESE n 0 n 255 ERAE ERA CRA ERAE n 0 n 255 ERB ERBE ERBE n 0 n 255 OPC OPC PRE n 0 n 255 PPC Command ESR ESE 1 0 PSC PSCn n 0 1 Clear ESE SRE PRE Condition Register Even...

Page 78: ...message The device has cooled back down If the POWER ON function is set to SBY or RST the output remains deactivated If it has been set to RCL automatic reactivation ensues OUTE Output Error Error message after OUTPUT ON setting command Activation of the output is disabled by an OUTPUT OFF signal at the trigger input of the analog interface Display Err 25 OVPA Overvoltage Protection Active Overloa...

Page 79: ... value and setpoint resulting from component ageing at user specified intervals Figure 7 1 a Continuous Adjustment of Uset In order to adjust the system 2 fixed voltage values Uoff and UFS are selected internally setpoints and a straight line desired curve is drawn between them The associated external measured values actual values are entered to the system and compared with the setpoint values A s...

Page 80: ...ditionally connecting the sensing leads Figure 7 2 b Connection Schematic for Output Current Adjustment Switch the measuring instrument on and select the correct current range for the measurement The upper range limit must be at least as great as nominal current of the KONSTANTER Select the current adjusting functions and then activate the KONSTANTER OUTPUT ON Figure 7 2 c Manual Device Adjustment...

Page 81: ...his end or short circuit the output The CV LED goes out and the CC and OUTPUT LEDs light up MEAS IoFF blinks at the display measure offset current The KONSTANTER is ready to display offset current Press the ENTER key IoFF appears at the left hand display and the current value measured by the KONSTANTER appears at the right hand display 0 5 of Inom The blinking digit indicates the smallest adjustab...

Page 82: ...s the value read from the external measuring instrument It is entered as a numeric parameter value OUTPUT 713 CAL date 06 95 As opposed to direct computer adjustment the adjustment date must be entered after the routine has been completed However the last adjustment date cannot be queried in this case The adjusting routine is finished after the adjustment date has been entered Computer Aided Adjus...

Page 83: ...default settings X X unchanged p 69 SbY last used settings output deactivated rcL last used settings rEP n Repetition number of sequence repetitions sequence X X cont or 0 p 33 REPETITION n n 1 255 X X X p 70 0 rnd txt Round off the displayed measured value setup X unchanged p 27 txt 0 1 2 no rounding round by one or two decimal places Sbit txt Set number of stop bits interface configuration X unc...

Page 84: ...27 MINMAX txt txt oFF on rSt Min Max value storage off on reset X X X p 68 ULIM v Voltage setting limit setup 0 v U nom X X X X Unom p 25 v 15 0 example 15 0 V p 75 USET v Voltage setpoint 0 v ULIM X X X X X 0 000 p 20 v 12 5 example 12 5 V p 76 WAIT v Additional waiting time X X p 76 v 0 001 0 002 9 999 waiting time in seconds General Commands and Settings CLS Clear status command X X no effect p...

Page 85: ...CP OFF 7 p 68 OUTPUT Output on off status X4 X X OUTPUT ON 10 p 69 OVSET Selected overvoltage protection trigger value V X X X OVSET 050 0 12 p 69 POWER_ON Selected power up status X X X POWER_ON R ST 12 p 69 REPETITION Selected number of repetitions for the sequence function X X X REPETITION 000 14 p 70 SEQUENCE Sequence function status 8 X X SEQUENCE H OLD 255 11 1 21 p 70 SIG1_SIG2 Selected fun...

Page 86: ...as occurred D0 CVR Voltage regulation has occurred ERAE Device dependent event register A enable query X X 032 3 p 66 ERB Device dependent event register B query X X 128 3 p 65 D7 TCE Self test error or error during adjustment D6 TRGA Signal at analog interface trigger input D5 SEQE Sequence function error message D4 OUTE Error message after OUTPUT ON disabling via trigger input at analog interfac...

Page 87: ...AL ENTER FUNCTION FUNCTION ENTER ENTER ENTER ENTER CE LOCAL CE LOCAL CE LOCAL ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER ENTER CE LOCAL SELECT ENTER ...

Page 88: ... e g USET STORE n Mains Power On Pon rcl SbY RST Power On Pon rSt Mains Power Off RCL n SAV n Active Device Settings n 1 10 n 11 253 254 255 Comparative Memory for Limit Value Message n 254 255 Lo Hi Limit Values e g UMAX e g UOUT SIG2 SIG1 T_MODE Addr Non volatile memory range Memory locations can be overwritten with the Store command or completely deleted from the start address to the stop addre...

Page 89: ... STS yellow Indicates reset Overcurrent protection OCP selected in menu OCP is on in the FUNCTION menu Iset yellow Brief blinking OCP active CC green Iset yellow Brief blinking SRQ STS yellow Indicates reset OUTPUT red Remains latching OFF Display of Output voltage Uout green Activated output voltage appears at the display Output voltage setpoint SET function Uset yellow Uset appears at the displa...

Page 90: ... the SEQUENCE run The SEQUENCE run cannot be started Check the selected START and STOP addresses as well as the contents USET ISET and TSET of the memory locations defined by these parameters Err 24 Attempted recall of an invalid value remote RCL xxx where 011 xxx 255 Err 25 Error message after OUTPUT ON Activation of the output is disabled by an OUTPUT OFF signal at the trigger input of the analo...

Page 91: ...play 23 PC query 69 Output switching status Response after power on From PC 69 Manual 26 Switch query From PC 69 Manual 21 Output voltage Auto sensing mode 49 Measured value Analog interface 51 Display 23 PC query 75 Setpoint From PC 76 Manual 20 Via analog interface 50 Setting limit From PC 75 Functions description 22 Manual 25 Overcurrent protection Activate deactivate From PC 68 Manual 26 Funct...

Page 92: ...cates Our spectrum of offerings is rounded out with free test equipment management Our service department includes an on site DAkkS calibration bench If errors are discovered during calibration our specialized personnel are capable of completing repairs using original replacement parts As a full service calibration lab we can calibrate instruments from other manufacturers as well 11 Product Suppor...

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Gossen MetraWatt SSP 120 Series, Operating Instructions Manual

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