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51
4
CONFIGURATION…
…4.16
Set Up Process Variable Input Page (COMMANDER 301 only)
Cold Junction
If a thermocouple input was selected:
CJ
1 Enter the cold junction compensation offset at 25
°
C/
77
°
F in microVolts.
This feature allows automatic
temperature compensation of
thermocouple inputs.
It is assumed that the
thermocouple is referenced to
0 Millivolts at 0
°
C (32
°
F).
CJ
2 Enter the cold junction compensation offset at
50
°
C122
°
F in microVolts.
This feature allows automatic
temperature compensation of
thermocouple inputs.
Broken Sensor Protection Drive
In the event of a fault being detected on the input, the
process variable is driven in the direction of the mode
selected.
Select the broken sensor drive required:
NONE
–
No drive
UP
–
Upscale drive
dN
–
Downscale drive.
Continued on the next page.
bSPd
UP
dN
NONE
CJ 50C
xxxx
xxxx
CJ 25C
VOLt
ohM
MAMP
MVLt
For Thermocouple Inputs
All Other
Input Types
0
50
°
C
25
°
C
0
50
°
C
25
°
C
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