Micromod MOD: Modcell 2050R Users Guide User Manual
Page 42
IB-23C650
SETUP
Table 1. Base Configuration
Step
Step Description
Top
Display
5.4
Cool Band Output Action.
UP
or
DN
selects cool band output action.
SCRL
advances to Step 6.
COOL OUT
5.5
Valve Calibration.
UP
begins valve calibration at Step 5.5.1.
SCRL
advances to Step 6.
In Steps 5.5.1 and 5.5.2, use of the
UP
and
DN
keys run the valve motor. The open (high) setting
is obtained by using the keys to drive the valve to
its full open position, and the closed (low) setting
is obtained by driving the valve to the full closed
position. As the valve motor runs, the numbers on
the bottom display change to provide indication of
valve stem movement. The position proportioning
deadband and preact values in the Tune menu
should also be set appropriately.
VALVE
5.5.1
Calibrate Open Position.
UP
or
DN
is used to drive valve fully open.
SCRL
to continue with Step 5.5.2.
CALIBRAT
5.5.2
Calibrate Closed Position.
UP
or
DN
is used to drive valve fully closed.
SCRL
advances to:
Step 6 if calibration is valid, or
Step 5.5.3 (invalid calibration) if it is bad.
CALIBRAT
5.5.3
Invalid Calibration.
SCRL
to continue with Step 5.5.4.
BAD
5.5.4
Closed Feedback Value was Greater than the
Open Feedback Value.
SCRL
to continue with Step 5.5.5.
CLOSED
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