Zero Trim; Factory Trim - ABB STT04 Instruction Manual

ZERO TRIM

Use this option if only the LOW (min.) pressure setting is to be cali-
brated
Key Display
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

FACTORY TRIM

STATIC TRIM
E N TE R
APPLY 0 INPUT
TO SENSOR
E N TE R
THEN HIT ENTER
APPLIED ZERO INPUT:
value units
E N TE R
PRESS ENTER
TO CONTINUE
ID TAGNAME
E N TE R
READY
600T & 600T EN 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 SENSOR TRIM, or select calibration option
with down-arrow key and refer to the appropriate
section. Press
ENTER when done.
Select ZERO TRIM.
Apply the pressure equal to the zero value of the
instrument and press
ENTER
The instrument reads the pressure applied and dis-
plays its value. Press
ENTER
.
.
CALIBRATION
Q - 19