EQS TEMPERATURE TRANSMITTER
CALIBRATION
WBPEEUI110501A0
D - 5
When calibrating, a device must be connected to the terminal. When using
an IMFBS01 module (field bus), up to 15 devices can be connected to the
bus. Select the transmitter by using
.
NOTE:
To change calibration or configuration parameters of a field device
that is connected to an IMFBS01 module, the device must be taken off-line.
This is done at the INFI 90 OPEN console.
After selecting a device the
READY
screen appears. All calibration functions
can be performed on the selected device. Refer to Figure
view of the calibration functions.
Bench Calibration
This procedure applies to EQS Transmitters configured for either
ANALOG
or
DIGITAL
. Any difference between the two are noted in the
Comments
column.
SELECT DEVICE
Figure D-2. Calibration Flowchart (EQS)
APPLY 0 mV
SOURCE
ADJUST HIGH
CALIBRATION
RESISTANCE
BENCH
CALIBRATION
ADJUST LOW
CALIBRATION
CALIBRATION
COMPLETE
ADJUST HIGH
CALIBRATION
APPLY 0
Ω
D-TO-A
APPLY 250
Ω
ADJUST
OUTPUT
TO 4 mA
ADJUST
OUTPUT
TO 20 mA
ADJUST LOW
CALIBRATION
RESISTANCE
ADJUST 4 mA
OUTPUT
TP81003
ADJUST 20 mA
OUTPUT
APPLY 100 mV
SOURCE
C
A
L
I
B
R
A
T
E