Guildline 7810 User manual

OPERATOR MANUAL
For The
Model 7810
Transconductance Amplifier
www.guildline.com
NOTICE
The contents and information contained in this manual are proprietary to
Guildline Instruments Limited. They are to be used only as a guide to the
operation and maintenance of the equipmentwith which this manual was issued
and may not be duplicated or transmitted by any means, either in whole or in
part, without the written permission of Guildline Instruments Limited.
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TABLE OF CONTENTS
1. INTRODUCTION.......................................................................................................1-1
1.1. SCOPE................................................................................................................................................................1-1
1.2. GENERAL DESCRIPTION............................................................................................................................1-1
1.3. WARRANTY.....................................................................................................................................................1-2
1.4. TO OBTAIN WARRANTY SERVICE .........................................................................................................1-2
1.5. SPECIFICATIONS...........................................................................................................................................1-4
1.5.1. Output Current Ranges...................................................................................................................................1-4
1.5.2. Stability Over 10 Minute Interval..................................................................................................................1-4
1.5.3. Accuracy Over 1 Year, 95 % Uncertainty.....................................................................................................1-5
1.5.4. General Specifications....................................................................................................................................1-6
2. INSTALLATION........................................................................................................2-1
2.1. INITIAL INSPECTION...................................................................................................................................2-1
2.2. POWER REQUIREMENTS...........................................................................................................................2-1
2.3. PRELIMINARY SETUP POCEDURE .........................................................................................................2-1
2.4. WARNING: .......................................................................................................................................................2-2
3. MANUAL OPERATION ............................................................................................3-1
3.1. FRONT PANEL................................................................................................................................................3-1
3.1.1. Touch Screen..................................................................................................................................................3-1
3.1.2. USB Interface Bus..........................................................................................................................................3-1
3.1.3. Input................................................................................................................................................................3-2
3.1.6. Guard ..............................................................................................................................................................3-3
3.2. REAR PANEL...................................................................................................................................................3-4
3.2.1. Power Entry....................................................................................................................................................3-4
3.2.2. GPIB Interface Bus ........................................................................................................................................3-4
3.2.3. USB Interface Bus..........................................................................................................................................3-5
3.3. FRONT PANEL TOUCH SCREEN OPERATION.....................................................................................3-5
3.4. MAIN SCREEN ................................................................................................................................................3-6
3.5. SETUP SCREEN...............................................................................................................................................3-8
3.8.1. Link To Common.........................................................................................................................................3-11
3.8.2. Circuit Common Connection To Output.....................................................................................................3-11
3.8.3. Input and Output Guard Strategy.................................................................................................................3-11

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4. THEORY OF OPERATION.......................................................................................4-1
4.1. INTRODUCTION.............................................................................................................................................4-1
4.2. OVERVIEW ......................................................................................................................................................4-1
4.3. INSTRUMENT CONTROL............................................................................................................................4-1
4.4. VOLTAGE INPUT CIRCUIT ........................................................................................................................4-2
4.5. COMPLIANCE VOLTAGE DISPLAY ........................................................................................................4-2
4.6. SIGNAL FREQUENCY and INPUT VOLTAGE DISPLAY.....................................................................4-2
4.7. OVERLOAD DETECTION and PROTECTION........................................................................................4-2
5. MAINTENANCE AND TROUBLESHOOTING.........................................................5-1
5.1. PERIODIC MAINTENANCE.........................................................................................................................5-1
5.2. TROUBLESHOOTING...................................................................................................................................5-1
5.3. PERFORMANCE VERIFICATION AND CALIBRATION.....................................................................5-2
5.3.1. Test Equipment Required...............................................................................................................................5-2
5.3.2. DC Accuracy And Stability Verification and Calibration.............................................................................5-2
5.3.3. Procedural Steps For DC Current Verification..............................................................................................5-3
5.3.4. Procedural Steps For AC Current Verification..............................................................................................5-6
6. REMOTE CONTROL................................................................................................6-1
6.1. INTERFACES...................................................................................................................................................6-1
6.2. IEEE-488 (GPIB) INTERFACE .....................................................................................................................6-1
6.2.1. Controller........................................................................................................................................................6-2
6.2.2. IEEE-488 Responses......................................................................................................................................6-2
6.2.3. Interconnecting Cable And IEEE-488 Connector.........................................................................................6-2
6.2.4. Typical System...............................................................................................................................................6-2
6.2.5. Address And Talk/Listen Selection...............................................................................................................6-3
6.2.6. IEEE-488 Electrical Interface ........................................................................................................................6-3
6.2.7. IEEE-488 Input Buffering..............................................................................................................................6-5
6.2.8. IEEE-488 Output Buffering...........................................................................................................................6-5
6.2.9. IEEE-488 Deadlock........................................................................................................................................6-5
6.3. RS-232C INTERFACE.....................................................................................................................................6-5
6.3.1. RS-232C Responses.......................................................................................................................................6-6
6.4. COMMAND LANGUAGE..............................................................................................................................6-6
6.4.1. General Syntax For Commands.....................................................................................................................6-6
6.4.2. General Syntax For Numbers.........................................................................................................................6-7

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6.5. REMOTE AND LOCAL OPERATION........................................................................................................6-8
6.5.1. Local...............................................................................................................................................................6-8
6.5.2. Local With Lockout .......................................................................................................................................6-8
6.5.3. Remote............................................................................................................................................................6-8
6.5.4. Remote With Lockout....................................................................................................................................6-8
6.6. PROGRAMMING COMMAND SUMMARY .............................................................................................6-9
6.7. REMOTE COMMANDS...............................................................................................................................6-11
6.7.1. *CLS - Clear Status Command....................................................................................................................6-11
6.7.2. *ESE <u> - Set Event Status Enable Register.............................................................................................6-11
6.7.3. *ESE? - Event Status Enable Query............................................................................................................6-11
6.7.4. *ESR? - Event Status Register Query..........................................................................................................6-11
6.7.5. *IDN? - Identification Query.......................................................................................................................6-13
6.7.6. *OPC - Operation Complete........................................................................................................................6-14
6.7.7. *OPC? - Operation Complete Query...........................................................................................................6-14
6.7.8. *OPT? - Report Available Options..............................................................................................................6-14
6.7.9. *RST - Device Reset....................................................................................................................................6-14
6.7.10. *SRE <u> - Service Request Enable Command ....................................................................................6-15
6.7.11. *SRE? - Service Request Enable Query.................................................................................................6-15
6.7.12. *STB? - Status Byte Query.....................................................................................................................6-15
6.7.13. *TST? - Query Results Of Self Test.......................................................................................................6-15
6.7.14. *TRG - Group Execute Trigger..............................................................................................................6-15
6.7.15. Date? - Display The 7810 Internal Date.................................................................................................6-16
6.7.16. DER? - Device Error Register ................................................................................................................6-16
6.7.17. Operate – Set The Operation State..........................................................................................................6-17
6.7.18. Operate? - Display The Current Operation State....................................................................................6-18
6.7.19. Range - Select Output Current Range.....................................................................................................6-18
6.7.20. Range? - Display The Currently Selected Range...................................................................................6-18
6.7.21. SInce? - Display The Time The 7810 Was Last Reset...........................................................................6-19
6.7.22. Serial Number - Set The 7810 Serial Number........................................................................................6-19
6.7.23. TErse - Turn Off Verbose Mode.............................................................................................................6-19
6.7.24. UPtime? - Display How Long The 7810 Has Been Running................................................................6-19
6.7.25. VErbose - Set Verbose Mode..................................................................................................................6-20
6.7.26. Volt - Select The Input Voltage Range...................................................................................................6-20
6.7.27. Volt? - Display The Current Input Voltage Range.................................................................................6-20
6.7.28. Programming Hints.................................................................................................................................6-20

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LIST OF FIGURES
FIGURE 1-1 : MODEL 7810..........................................................................................................................................1-1
FIGURE 3-1 : FRONT PANEL GUILDLINE 7810....................................................................................................3-1
FIGURE 3-2 : INPUT TERMINALS............................................................................................................................3-2
FIGURE 3-3 : REAR PANEL GUILDLINE 7810.......................................................................................................3-4
FIGURE 4-1 : MODEL 7810 BLOCK DIAGRAM.....................................................................................................4-3
FIGURE 5-1 : VERIFICATION TEST SET-UP.........................................................................................................5-2
FIGURE 5-2: INPUT TERMINALS............................................................................................................................5-3
FIGURE 6-1 : EVENT STATUS BIT OPERATION................................................................................................6-10

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LIST OF TABLES
TABLE 2-1 : LINE CORD WIRING ............................................................................................................................2-1
TABLE 5-1 : TROUBLESHOOTING GUIDE............................................................................................................5-1
TABLE 5-2 : REFERENCE CURRENT SHUNT SELECTION..............................................................................5-3
TABLE 5-3 : POSITIVE DC VERIFICATION VALUES.........................................................................................5-5
TABLE 5-4 : NEGATIVE DC VERIFICATION VALUES.......................................................................................5-5
TABLE 5-5 : 100 KHZ AC VERIFICATION VALUES ............................................................................................5-7
TABLE 5-6 : 1 KHZ AC VERIFICATION VALUES ................................................................................................5-7
TABLE 5-7 : 10 KHZ AC VERIFICATION VALUES ..............................................................................................5-8
TABLE 5-8 : 30 KHZ AC VERIFICATION VALUES ..............................................................................................5-8
TABLE 5-9 : 100 KHZ AC VERIFICATION VALUES............................................................................................5-8
TABLE 6-1 : IEEE-488 DEVICE CAPABILITIES...................................................................................................6-3
TABLE 6-2 : IEEE-488 PIN DESIGNATIONS..........................................................................................................6-4
TABLE 6-3 : RS232 PIN DESIGNATIONS................................................................................................................6-6
TABLE 6-4 : REMOTE/LOCAL STATE TRANSITIONS .....................................................................................6-9
TABLE 6-5 : EVENT STATUS REGISTER............................................................................................................6-12
TABLE 6-6 : STATUS BYTE REGISTER...............................................................................................................6-13
TABLE 6-7 : DEVICE ERROR REGISTER ...........................................................................................................6-17

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