Table of Contents
v
The [SETUP] Key.................................................................................................. 45
Display Size.................................................................................................. 45
Response....................................................................................................... 46
Heater ........................................................................................................... 47
Pressure Units ............................................................................................... 48
Sensor Range ................................................................................................ 49
Temperature Compensation........................................................................... 50
Averaging ..................................................................................................... 51
RS-232 Communication Parameters (Optional)............................................. 53
IEEE-488 Communication Parameters (Optional).......................................... 53
The [TRIP POINTS] Key....................................................................................... 54
Trip Point Settings ........................................................................................ 54
Hysteresis...................................................................................................... 56
Relay State.................................................................................................... 57
Channel Selection.......................................................................................... 58
Latching a Trip Point..................................................................................... 58
The [CAL] Key...................................................................................................... 60
Null............................................................................................................... 60
Full Scale...................................................................................................... 60
System Check Calibration............................................................................. 61
The [ZERO] Key ................................................................................................... 62
Zero Enable................................................................................................... 62
Zero Calibration............................................................................................ 62
The [AUTO] and Range Keys................................................................................ 64
Chapter Five: Operation ........................................................................................................67
How To Configure the 670 Instrument....................................................................... 67
How To Interface to the Type 274 Multiplexer........................................................... 69
Connecting the Cables................................................................................... 69
Configuring the 274 Multiplexer ................................................................... 70
Configuring the 670 Instrument..................................................................... 70
How To Set the Sensor Full Scale Entry .................................................................... 71
How To Calibrate the 670 Instrument ........................................................................ 72
Additional Calibration for the Type 274 Multiplexer..................................... 74
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