TB82 TRANSMITTER
CALIBRATION
N - 11
Output D/A Calibration
Output D/A Calibration is used to trim the output signal to maintain
precise transmission of the process variable. The procedure that fol-
lows details output adjustment using the arrow keys. Adjustment can
be made by meter value entry. Refer to
for details pertain-
ing to meter value entry adjustment.
Key
Display
Comments
This operation will cause a change in output not cor-
responding to the input. Selecting
YES
will hold the
output during calibration.
Select
YES
.
Select
OUTPUT D/A CAL
.
Select
UPDOWN ARROW KEYS
. Use the arrow
keys to adjust the output to a value other than 4 or
20 mA.
Use the
METER VALUE ENTRY
to adjust the output
to 4 and 20 mA. Refer to
for details
about meter value entry.
Use the arrow keys to adjust output to 4 mA.
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.
C A LI-
B R AT E
OUTPUT WILL BE
AFFECTED! PROCEED?
NO
→
YES
E N T E R
nnnn CAL
EDIT CAL
RESET CAL
→
OUTPUT D/A CAL
E N T E R
D/A CAL USING
→
UPDOWN ARROW KEYS
METER VALUE ENTRY
E N T E R
ADJUST TO 4 mA
THEN HIT ENTER