ABB STT04 - Page 111

EQS TEMPERATURE TRANSMITTER
CALIBRATION
C - 6
Apply 0.00 mV to the transmitter.
NOTE: Refer to the EQS instruction for detailed wir-
ing diagrams of this procedure.
Apply 100 mV to the transmitter.
Apply 0 Ω to the transmitter.
NOTE: Refer to the EQS instruction for detailed wir-
ing diagrams of this procedure.
Apply 250 Ω to the transmitter.
Use the arrow keys to adjust the 4 mA signal.
NOTE: When increasing or decreasing the mA sig-
nal, the increments of change increase with succes-
sive depressions until the maximum level of change
is reached. By changing direction you will return to
the smallest increment of change. This adjustment
technique speeds up the adjustment process without
affecting fine adjustment.
Use the arrow keys to adjust the 20 mA signal.
Key Display Comments
ENTER
APPLY
0.00 mV
AT 3(+), 4(-)
THEN HIT ENTER
ENTER
APPLY
100.00 mV
AT 3(+), 4(-)
THEN HIT ENTER
ENTER
APPLY 0.00 Ω
SHORT
1-2, 2-3, 3-4
THEN HIT ENTER
ENTER
APPLY 250 Ω
SHORT 1-2, 3-4
Ω AT 2-3
THEN HIT ENTER
ENTER
ADJUST TO 4 mA
THEN HIT ENTER
ENTER
ADJUST TO 20 mA
THEN HIT ENTER
ENTER
ID TAGNAME
READY