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CALIBRATION
P RO C ES S
C
A
L
I
B
R
A
T
E
B EN C H (p H )
B E N C H (T E M P )
This section details the calibration functions of the STT04 terminal
while interfacing a TBN transmitter. There are three types of calibra-
tion functions:
Process calibration.
•
Bench calibration (pH and temperature).
•
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
K-2
for an overview of the calibration functions.
T E M PE R AT U R E
N E W S E N S O R
C O M P E N S ATIO N
TY P E
TE M P E R AT U R E
S A M E O R N E W
C O M P E N SAT IO N
S E N S O R
T Y P E
IN P U T S O U R C E
E N T E R
m V S O U R C E
L O W /H IG H
m V VA L U E S
E N TE R FIX ED
P RO C E S S
T E M P E R AT U R E
Figure K-2. Calibration Flowchart (TBN580)
TBN580 TRANSMITTER
C H A N G E p H
C H A N G E
C A L IB R ATIO N
E F FIC IE N C Y
T E M P E R AT U R E
E N TE R p H O F
P RO C ES S
A PP LY
C A L C U L AT ED
L O W /H IG H
E FF IC IE N C Y
p H VA L U E S
E N T E R
C A L C U L AT ED
L O W /H IG H
S E N S O R
p H VA L U E S
O F FS ET
C H A N G E p H
C U M U L ATIV E
C A L IB R ATIO N
O F FS ET
TE M PE R ATU R E
C H A N G E
A PP LY
L O W /H IG H
m V VA L U ES
C A L IB R ATIO N
C O M P L E TE
T 01 3 36 A
CALIBRATION
K - 5
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