Honeywell MC ToolKit User Manual page 35

Input Calibration (De Transmitters) - Correct Input (Zero), LRV, URV; Reset Corrects
Call up Navigate to the DE
Calibration
Calibration display as
display
follows.
Select Back (go to DE Main
Menu), then select the
Calibration
Correct
Input at
Zero
Select
above; this message appears.
Release 3
9/06
button.
Select Corr. Input (zero).
This message appears.
NOTE:
The PV Input (Zero) refers
to a known standard such
as zero pressure (e.g.: vent
both sides of a DP
transmitter).
in the message box
Yes
Wait until this message
appears.
34-ST-25-20 MC Toolkit User Manual
As indicated below, this procedure will shift the slope up
or down to eliminate the error at the zero reference. The
slope (angle) of the response is unchanged.
At this point, ensure that the value of the PV applied at the
input is exactly Zero.
Then, select the button in the popup message.
OK
This action sends the Correct Input (Zero) command to the
transmitter, which adjusts the input calculation.
When the transmitter has
completed the Zero
Correction, this message
appears.
General Procedures
`
Select the button to
OK
acknowledge.
27