Guildline 6622T Series User manual

Operation Manual
For The
6622T Series
Automatic DCC Thermometry Bridges
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 equipment with 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. OVERVIEW......................................................................................................................................................1-2
1.4. PRINCIPLE OF OPERATION ......................................................................................................................1-3
1.4.1.1. Low Ohm Measurement Mode............................................................................................................1-5
1.4.1.2. Normal Ohm Measurement Mode.......................................................................................................1-5
2. INSTALLATION........................................................................................................2-1
2.1. PRELIMINARIES............................................................................................................................................2-1
2.1.1. Unpacking.......................................................................................................................................................2-1
2.1.2. Power Voltage Selection................................................................................................................................2-1
2.1.3. Fuse Replacement...........................................................................................................................................2-2
2.1.4. Setup And Power On......................................................................................................................................2-3
2.2. INCOMING INSPECTION.............................................................................................................................2-3
2.3. 6622T SERIES FRONT PANEL DISPLAY AND CONTROLS................................................................2-5
2.3.1. Standard Resistor Input Terminals (Bench Model Only)..............................................................................2-5
2.3.2. Resistor Under Test Input Terminals (Bench Model Only)..........................................................................2-6
2.3.3. Guard Terminal (Bench Model Only) ...........................................................................................................2-6
2.3.4. Circuit Common Terminal (Bench Model Only)..........................................................................................2-6
2.3.5. Power..............................................................................................................................................................2-6
2.3.6. Display............................................................................................................................................................2-7
2.3.7. Numeric Keypad.............................................................................................................................................2-7
2.3.8. Special Keys...................................................................................................................................................2-7
2.3.8.1. Cursor Movement Keys .......................................................................................................................2-7
2.3.8.2. Function Keys.......................................................................................................................................2-7
2.4. 6622T SERIES REAR PANEL CONNECTORS AND CONTROLS........................................................2-8
2.4.1. IEEE-488 Interface.........................................................................................................................................2-8
2.4.2. Line Input Connector .....................................................................................................................................2-9
2.4.3. Standard Resistor Input Terminals (Rack Model Only)................................................................................2-9
2.4.4. Resistor Under Test Input Terminals (Rack Model Only)............................................................................2-9
2.4.5. Guard Terminal (Rack Model Only) .............................................................................................................2-9
2.4.6. Circuit Common Terminal (Rack Model Only)............................................................................................2-9
2.4.7. Ground Terminal..........................................................................................................................................2-10
2.4.8. Extender Connector......................................................................................................................................2-10
3. QUICK MEASUREMENT GUIDE.............................................................................3-1
3.1. MEASUREMENT OPERATION GUIDE ....................................................................................................3-1
3.1.1. Normal Ohm Mode Resistance Measurement (All 6622T Models).............................................................3-2

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3.1.2. Low Ohm Mode Resistance Measurement (All 6622T Models)..................................................................3-5
3.1.3. Thermometry Measurement Mode..............................................................................................................3-10
3.2. BRIDGEWORKS DATA ACQUISITION SOFTWARE .........................................................................3-12
4. INSTRUMENT OPERATION....................................................................................4-1
4.1. FRONT PANEL OPERATING PROCEDURE...........................................................................................4-1
4.2. 6622T THERMOMETRY MEASUREMENT BRIDGE ............................................................................4-1
4.3. GENERAL KEY/DISPLAY OPERATIONS................................................................................................4-6
4.3.1. Base menu.......................................................................................................................................................4-6
4.4. BASIC MENU OPERATIONS.......................................................................................................................4-7
4.4.1. Menu Option-<MEASURE>.........................................................................................................................4-7
4.4.2. Menu Option - <any other menu but measure>.............................................................................................4-8
4.4.3. Base Edit/Select Menu - one column of data.................................................................................................4-9
4.4.4. Base Edit/Select Menu - two columns of data...............................................................................................4-9
4.4.5. Operation of Select/Edit Data Menus..........................................................................................................4-10
4.4.5.1. Function - <Scrn n-N> .......................................................................................................................4-10
4.4.5.2. Function - <Edit> ...............................................................................................................................4-10
4.4.5.3. Function - <Ok>.................................................................................................................................4-10
4.5. TITLE SCREEN .............................................................................................................................................4-11
4.6. MAIN MENU...................................................................................................................................................4-12
4.6.1. <Measure> MENU Fn-1 (Main)..................................................................................................................4-12
4.6.1.1. <Measure> MENU Fn-1 (MAIN) Page 1 of 3..................................................................................4-13
4.6.1.2. <Measure> MENU Fn-1 (MAIN) Page 2 of 3..................................................................................4-14
4.6.1.3. <Measure> MENU Fn-1 (MAIN) Page 3 of 3..................................................................................4-15
4.6.2. <Setup> MENU Fn-1 (Setup_MAIN).........................................................................................................4-16
4.6.3. <Profiles> MENU Fn-1 (Profiles MAIN)...................................................................................................4-16
4.6.4. View..............................................................................................................................................................4-17
4.6.4.1. Summary.............................................................................................................................................4-17
4.6.4.2. Detail Graph .......................................................................................................................................4-18
4.6.4.3. Detail...................................................................................................................................................4-19
4.6.4.4. Window ..............................................................................................................................................4-19
4.6.5. <Edit Ohms> MENU Fn-2 (Edit_Ohms MAIN)........................................................................................4-20
4.6.5.1. <Normal> MENU Fn-1 (Edit Ohms MAIN) ....................................................................................4-20
4.6.5.2. <Low Ohms> MENU Fn-3 (Edit Ohms_MAIN)..............................................................................4-21
4.6.6. <Edit> MENU (Probe) Fn-2 (Edit MAIN)..................................................................................................4-23
4.6.6.1. <IPTS 68> MENU Fn-1 (Edit MAIN)..............................................................................................4-23
4.6.6.2. <ITS 90> MENU Fn-2 (Edit MAIN) ................................................................................................4-24
4.6.6.3. <IEC 751> MENU Fn-3 (Edit MAIN)..............................................................................................4-26
4.6.6.4. <Probe Set> MENU Fn-4 (Edit MAIN)............................................................................................4-26
4.6.7. <Sofcal> MENU Fn-3 (MAIN)...................................................................................................................4-27
4.6.7.1. <GPIB>MENU Fn-1 (Sofcal_MAIN)...............................................................................................4-29
4.6.7.2. <Coef Set> MENU Fn-2 (Sofcal_MAIN).........................................................................................4-29
4.6.7.3. <Diagnostic> MENU Fn-3 (Sofcal_MAIN) .....................................................................................4-30
4.6.7.4. <P.O.S.T.> MENU Fn-1 (Sofcal_MAIN).........................................................................................4-33
4.6.7.5. <Filter> MENU Fn-2 (Sofcal_MAIN)..............................................................................................4-34
4.6.7.6. <Datum> MENU Fn-3 (Sofcal_MAIN)............................................................................................4-34

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4.6.7.7. <Sys Time>MENU Fn-2 (Sofcal MAIN)..........................................................................................4-35
4.6.7.8. <Extender>MENU Fn-3 (SofcalMENU)..........................................................................................4-35
4.6.6.9 PASSWORD> MENU Fn-1 (Sofcal_MAIN)...................................................................................4-40
5. VERIFICATION AND CALIBRATION......................................................................5-1
5.1. RESISTANCE RATIO ACCURACY VERIFICATION ............................................................................5-1
5.1.1. Purpose ...........................................................................................................................................................5-1
5.1.2. Equipment Required.......................................................................................................................................5-1
5.1.3. Set Up .............................................................................................................................................................5-2
5.1.4. Verification.....................................................................................................................................................5-2
5.2. TEMPERATURE RATIO VERIFICATION ...............................................................................................5-4
5.2.1. Purpose ...........................................................................................................................................................5-4
5.2.1. Equipment Required.......................................................................................................................................5-4
5.2.2. Set Up .............................................................................................................................................................5-5
5.2.3. Verification.....................................................................................................................................................5-5
6. TROUBLESHOOTING AND MAINTENANCE.........................................................6-1
6.1. INTRODUCTION.............................................................................................................................................6-1
6.1.1. Error Messages...............................................................................................................................................6-1
6.1.2. Model 6622T Setup Warnings.......................................................................................................................6-3
6.1.3. Bridge Coefficients.........................................................................................................................................6-3
6.2. QUICK RATIO CHECK.................................................................................................................................6-3
6.2.1. Purpose ...........................................................................................................................................................6-4
6.2.2. Equipment Required.......................................................................................................................................6-4
6.2.3. Set Up .............................................................................................................................................................6-4
6.2.4. Check Procedure.............................................................................................................................................6-5
7. REMOTE CONTROL................................................................................................7-1
7.1. INTERFACES...................................................................................................................................................7-1
7.2. IEEE-488 (GPIB) INTERFACE .....................................................................................................................7-1
7.2.1. Controller........................................................................................................................................................7-2
7.2.2. IEEE-488 Responses......................................................................................................................................7-2
7.2.3. Interconnecting Cable And IEEE-488 Connector.........................................................................................7-2
7.2.4. Typical System...............................................................................................................................................7-3
7.2.5. Address And Talk/Listen Selection...............................................................................................................7-4
7.2.6. IEEE-488 Electrical Interface........................................................................................................................7-4
7.2.7. IEEE-488 Input Buffering..............................................................................................................................7-4
7.2.8. IEEE-488 Output Buffering...........................................................................................................................7-6
7.2.9. IEEE-488 Deadlock........................................................................................................................................7-6
7.3. COMMAND LANGUAGE..............................................................................................................................7-7
7.3.1. General Syntax For Commands.....................................................................................................................7-7
7.3.2. General Syntax For Numbers.........................................................................................................................7-7
7.4. MODEL 6622T REMOTE AND LOCAL OPERATION ...........................................................................7-7

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7.5. MODEL 6622T PROGRAMMING COMMAND SUMMARY.................................................................7-8
8. APPENDICES...........................................................................................................8-1
8.1. GENERAL SPECIFICATIONS (continued) ................................................................................................8-1
8.2. RESISTANCE MEASUREMENT SPECIFICATION................................................................................8-2

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LIST OF FIGURES
FIGURE 1-1 : MODEL 6622T BLOCK DIAGRAM ......................................................................................................1-4
FIGURE 2-1 : LINE VOLTAGE SELECTOR.................................................................................................................2-2
FIGURE 2-2 : 6622T FRONT VIEW (BENCH / RACK)...............................................................................................2-5
FIGURE 2-3 : 6622T REAR VIEW (BENCH / RACK)..................................................................................................2-8
FIGURE 3-1 : RESISTANCE MEASUREMENT RESPONSE VERSUS TEST SAMPLE.........................................3-1
FIGURE 3-2 : REAR PANEL CONNECTIONS - NORMAL OHM MODE................................................................3-2
FIGURE 3-3 : REAR PANEL CONNECTIONS –LOW OHM MODE WITH 6623...................................................3-8
FIGURE 3-4 : REAR PANEL CONNECTIONS –LOW OHM MODE WITH 6623A-300.........................................3-9
FIGURE 3-5 : REAR PANEL CONNECTIONS –PRT/SPRT.....................................................................................3-11
FIGURE 4-1 : MENU TREE –MEASURE/SOFCAL ....................................................................................................4-2
FIGURE 4-2 : MENU TREE –SETUP (RESISTOR).....................................................................................................4-3
FIGURE 4-3 : MENU TREE –SETUP (PROBE) ...........................................................................................................4-4
FIGURE 4-4 : MENU TREE –MEASURE-VIEW.........................................................................................................4-5

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LIST OF TABLES
TABLE 2-1 : FUSE RATINGS.........................................................................................................................................2-2
TABLE 3-1 : RECOMMENDED NORMAL OHM MODE TEST SETUPS ................................................................3-4
TABLE 3-2 : 6623 RECOMMENDED LOW OHM MODE TEST SETUP..................................................................3-7
TABLE 3-3 : 6623A-300 RECOMMENDED LOW OHM MODE TEST SETUP........................................................3-7
TABLE 3-4 : RECOMMENDED TEMPERATURE MEASUREMENT TEST SETUP............................................3-10
TABLE 6-1 : MODEL 6622T ERROR MESSAGES ......................................................................................................6-2
TABLE 7-1 : FACTORY SETTING-GPIB......................................................................................................................7-2
TABLE 7-2 : IEEE-488 CONNECTOR PIN DESIGNATIONS.....................................................................................7-5
TABLE 7-3 : MODEL 6622T IEEE-488 DEVICE CAPABILITIES..............................................................................7-6
TABLE 8-1 : GENERAL SPECIFICATIONS (CONTINUED) .....................................................................................8-1
TABLE 8-2 : RESISTANCE MEASUREMENT SPECIFICATION (ALL 6622T MODELS) ....................................8-2

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