C.C. On/C.C. Off Front Panel Push-Buttons ............................................ 56
Cold Cathode Module Remote Connector ............................................... 56
Analog Module ............................................................................................ 56
Communications Module (optional) .......................................................... 56
Using Protection and Control Set Points .................................................. 57
Determining Protection and Control Set Points ........................................ 58
Information Update Rate .................................................................................... 59
Controller Analog Output ................................................................................... 60
Buffered Output ......................................................................................... 60
Logarithmic Output .................................................................................... 61
Combination Logarithmic Output .............................................................. 62
Error Messages ................................................................................................. 63
Main Program Checksum Test ................................................................. 63
Communications Module Program Checksum Test ................................ 63
Nonvolatile Memory Error in Correction Factors ..................................... 63
Setup Error ................................................................................................. 64
Quick Reference Tables ................................................................... 65
Table I Front Panel Operation ................................................................... 65
Table II Setpoint Values ............................................................................. 66
Relay Setpoints .......................................................................................... 66
Control Setpoints ....................................................................................... 66
Protection Setpoint ..................................................................................... 66
S
PARE
P
ARTS
AND
A
CCESSORIES
.................................................... 67
P
RODUCT
W
ARRANTY
................................................................... 70
Notes ....................................................................................... 71
A
PPENDIX
A: I
NSTALLING
A
S
ERIES
937A S
ENSOR
............................ A.1
Cold Cathode Sensors ................................................................... A.1
General .............................................................................................................. A.1
Locating a Cold Cathode Sensor ..................................................................... A.1
Orienting a Cold Cathode Sensor .................................................................... A.1
Managing Contamination in a Cold Cathode Sensor ...................................... A.2
Testing a Cold Cathode Sensor ....................................................................... A.2
Series 423 I-MAG® Cold Cathode Sensor ..................................................... A.2
Connecting the I-MAG Sensor ................................................................. A.2
Disassembling the I-MAG Sensor ........................................................... A.2
Cleaning the I-MAG Sensor ..................................................................... A.3
Assembling the I-MAG Sensor ................................................................ A.5
Preparing the Sensor for Bakeout ........................................................... A.6
Series 421 Cold Cathode Sensor .................................................................... A.6
Connecting the Series 421 Sensor .......................................................... A.6
Disassembling the Series 421 Sensor .................................................... A.6
Cleaning the Series 421 Sensor .............................................................. A.8
Assembling the Series 421 Sensor ......................................................... A.9
Preparing the Sensor for Bakeout ........................................................... A.9
Pirani Sensors ............................................................................... A.9
General .............................................................................................................. A.9
Locating a Pirani Sensor .................................................................................. A.9
Preventing Contamination in a Pirani Sensor ................................................ A.10
Series 315/345 Pirani Sensor ...................................................... A.10
Orienting the Series 315/345 Pirani Sensor ........................................ A.10
Connecting the Series 315/345 Sensor ............................................... A.10
Cleaning the Series 315/345 Sensor ..................................................... A.12
Testing the Series 315/345 Sensor ............................................................... A.12