ABB STT04 - Calibration Flowchart (EQS

EQS TEMPERATURE TRANSMITTER
CALIBRATION
C - 5
Figure C-2. Calibration Flowchart (EQS)
Key Display 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 BENCH CALIB with the down arrow key.
Enter the low and high calibration voltages.
Enter the low and high calibration resistances.
APPLY 0 mV
SOURCE
ADJUST HIGH
CALIBRATION
RESISTANCE
BENCH
CALIBRATION
ADJUST LOW
CALIBRATION
CALIBRATION
COMPLETE
ADJUST HIGH
CALIBRATION
APPLY 0
Ω APPLY 250 Ω
ADJUST LOW
CALIBRATION
RESISTANCE
T01910A
APPLY 100 mV
SOURCE
C
A
L
I
B
R
A
T
E
D-TO-A
CAL
METHOD
ARROW
KEYS
METER VALUE
ENTRY
ADJUST
OUTPUT
TO 4 mA
ADJUST
OUTPUT
TO 20 mA
4 mA
CALIBRATION
ENTER METER
VALUE 4.000
20 mA
CALIBRATION
ENTER METER
VALUE 20.000
CALI-
BRATE
OUTPUT WILL BE
AFFECTED! PROCEED?
NO
→ YES
ENTER
CALIBRATION
D-TO-A ADJUST
→ BENCH CALIB.
ENTER
LOW CALIB
n.nnn mV
HIGH CALIB
n.nnn mV
ENTER
LOW CALIB RES
n.nn Ω
HIGH CALIB RES
nnn.nn Ω