Honeywell MCT404 User Manual page 97

5. Managing DE Devices using MC Toolkit Software
5.5. Online configuration
Input Calibration (DE Transmitters) - Correct Input (Zero), LRV, URV; Reset Corrects
Call up Navigate to the DE Calibration
Calibration display as follows.
display
Select Back (go to DE Main
Menu), then select the
Calibration button.
Correct Select Corr. Input (zero).
Input at
This message appears.
Zero
NOTE:
The PV Input (Zero) refers
to a known standard such
as zero pressure (e.g.:
vent both sides of a DP
transmitter).
Select Yes in the message box
above; this message appears.
Wait until this message
appears.
Revision 3
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 OK button in the popup message.
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.
MC Toolkit (MCT404) User Manual
`
Select the OK button to
acknowledge.
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