ABB COMMANDER 300 Programming Manual page 53

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