Calibration Procedure - Promation Engineering P1.A Series Installation & Operation Manual

Calibration Procedure

NO
Wire the actuator per
the wiring diagram
Running CW (Red LED) just
switches from OFF to ON steady.
1. Turn VR2 CW or CCW 3 to 6 turns to make the
LED change state.
2. When the state change point is found, set VR2 for
the point where the LED will stay on steady.
3. Note: It is possible to adjust too far and be in the
dead band of VR2.
Note: The CW EOT
point must be
within ±3° from 0°.
YES
Is power
supplied to the
board?
YES
Find the point where the
Page 12 of 13 P1.A-24V-ACDC Standard Proportional Series
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Calibration
Were CW
or CCW End of
Travel cams changed
from factory
settings?
YES
Generate a known
accurate 4mA signal.
Actuator drives CW.
Is Feedback equal to
the 4mA Signal?
VR52
VR2
NO
Calibration is not
necessary
Actuator may be
put into service
NO
Adjust VR52 to make
Feedback 4 mA