14 FORMat and Miscellaneous SYSTem Commands
Figure 14-1 ASCII data format ................................................................ 14-3
Figure 14-2 Key-press codes .................................................................... 14-5
B Model 7700 Connection Guide
Figure B-1 Simplified schematic for Model 7700 ................................... B-3
Figure B-2 Screw terminal access ........................................................... B-5
Figure B-3 Model 7700 screw terminal channel designations ................ B-5
Figure B-4 Wire dressing ........................................................................ B-7
Figure B-5 Thermocouple connections ................................................... B-8
Figure B-6
Ω
2-Wire and thermistor connections .................................... B-8
Figure B-7
Ω
4-Wire and RTD connections ............................................. B-9
Figure B-8 Current connections (AC or DC) .......................................... B-9
Figure B-9 Voltage connections (DC or AC) ........................................ B-10
D Signal Processing Sequence and Data Flow
Figure D-1 Basic signal processing ......................................................... D-2
Figure D-2 Signal processing using instrument features ......................... D-3
Figure D-3 Signal processing using Ratio or Channel Average .............. D-6
Figure D-4 Data flow for remote operation ............................................. D-7
E Measurement Considerations
Figure E-1 Thermal EMF generation ...................................................... E-3
Figure E-2 Power line ground loops ........................................................ E-7
Figure E-3 Eliminating ground loops ...................................................... E-7
Figure E-4 Shielding example ................................................................. E-8
Figure E-5 Meter loading ........................................................................ E-9
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