Sensor Trim; Full Trim - ABB STT04 Instruction Manual

600T & 600T EN PRESSURE TRANSMITTER

Sensor Trim

Key
OUTPUT WILL BE
AFFECTED! PROCEED?
C A LI-
NO
B R ATE
→ YES
E N TE R
→ SENSOR TRIM
D-TO-A ADJUST
E N TE R
PV BIAS
SET OUTPUT %

→ FULL TRIM

ZERO TRIM
E N TE R
FACTORY TRIM
STATIC TRIM
LOW CALIB PRESSURE
E N TE R
HIGH CALIB PRESSURE
APPLY PRESSURE OF
E N TE R
THEN HIT ENTER
APPLY PRESSURE OF
E N TE R
THEN HIT ENTER
CALIBRATION
Q - 18
This procedure allows calibration of the pressure sensors for 600T
EN pressure transmitters. Selections available are FULL TRIM,
ZERO TRIM, FACTORY TRIM and STATIC TRIM.
FULL TRIM
Use this option if both LOW (min.) and HIGH (max.) pressure settings
are to be calibrated.
Display
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 SENSOR TRIM, or select calibration option
with down-arrow key and refer to the appropriate
section. Press
Select FULL TRIM.
Enter the low calibration pressure value using the
nn.nn UNITS
number keys and press
high calibration pressure value, then press
nn.nn UNITS
Apply the low calibration pressure to the input of
nn.nn UNITS
transmitter as specified earlier.
Apply the high calibration pressure to the input of
nn.nn UNITS
transmitter as specified earlier.
Comments
ENTER when done.
. Similarly, enter the
ENTER
.
ENTER