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CALIBRATION
B E N C H
C
A
L
I
B
D -TO -A
R
A
T
E
R E ZE RO
Bench Calibration
There are three types of calibration functions:
Bench calibration.
•
Rezero.
•
D-to-A adjust.
•
NOTES:
1.
When calibrating, a field device must be connected to the
STT04 terminal.
2.
To change calibration or configuration parameters of a field
device that is connected to an IMFBS01 module, the transmitter
must be taken off-line. This is done at the INFI 90 OPEN console.
Refer to Figure
G-2
for an overview of the calibration functions.
NOTE: When calibrating, a field device must be connected to the
STT04 terminal.
E N TE R
E N T E R
A M B IE N T
C O M P E N SAT IO N
TE M P E R ATU R E
DATA
A D JU S T
A D JU S T
O U TPU T
O U TPU T
TO 4 m A
TO 20 m A
E Q UA LIZ E
R E ZE RO
P R ES S U R E
C O M P LE TE
Figure G-2. Calibration Flowchart (BCN)
This procedure details the bench calibration process.
BCN PRESSURE TRANSMITTER
E N TE R LOW
E N TE R H IG H
C A LIBR ATIO N
C A LIBR ATIO N
P R E S S U R E
P R E S S U R E
D IG ITA L
A PP LY LO W
C A LIB R ATIO N
P R ES S U R E
A PP LY H IG H
C A LIBR ATIO N
P R ES S U R E
A PP LY 50 %
P R ES S U R E
A N A LO G
A D JU S T
O U TPU T
TO 4 m A
A D JU S T
O U TPU T
TO 20 m A
C A LIBR ATIO N
C O M P L E TE
T 01 3 30 A
CALIBRATION
G - 5
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