ABB STT04 Instruction Manual page 129

Rezero
Key
OUTPUT WILL BE
AFFECTED! PROCEED?
C A LI-
B R ATE
→ YES
CALIBRATION:
E N TE R
→ REZERO
APPLY PRESSURE
E N TE R
ID TAGNAME
E N TE R
The rezero procedure allows you to zero the transmitter without going
through the complete bench calibration procedure.
Display
NO
D-TO-A ADJUST
BENCH CALIB.
OF
nn.nn UNITS
THEN HIT ENTER
READY
PTS PRESSURE TRANSMITTER
Comments
This operation will cause a change in output not cor-
responding to the input. Be sure the control loop is in
manual.
Select YES.
Select REZERO.
If digitally configured, the D-TO-A ADJUST selection
will not appear.
Apply zero value to the transmitter.
Rezero is complete.
CALIBRATION
E - 7