SMS TORK REA 60, Installation And Operating Manual

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Position Feedback Potentiometer (Optional)
Calibration Potentiometer
The potentiometer has been calibrated at the factory, however if re-calibration is required proceed as follows:

Apply power (or use manual override) to drive the actuator to its true closed position (clockwise rotation)

Connect an ohmmeter to P1 (red) and P3 (black) resistance should be approximately 1000ohms

Loosen the point shaft gear and connect the ohmmeter to P1 (red) and P2 (white) and gently rotate until a
reading of 80 - 120 Ω is achieved (100 ohms preferred). While maintaining this reading tighten the point
gear set screw with a hex wrench.
Proportional Control Unit - PCU
(Optional/REA Series)
Check point before using
actuator
1 . Check specification (Model No.,
Main Power, Control Power,
Options) of delivered actuator
meets your requirements.
2. Check application such as
valve, damper etc.
3. Check mounting of actuator on
application is correct.
4 . Check setting of actuator such
as limit switch, stopper bolts,
indicator, is correct.
5 . Check electrical wiring is
correct.
6. In case of 3 phase motor, check
rotating direction. * Check rotating direction of actuator, “open” actuator about 50% by manual, supply power to
actuator for 2-3 seconds. Push close button and check if actuator moves to “close” direction. If this actuator moves
to “close” it is correct.
To reverse the motor stop the power supply to the actuator and change the 2 of the 3 power
lines which changes the direction of the motor.
7. Generally all functions of PCU is set by the factory before delivery and there is no need to set the functions again.
The functions should only be changed if the customer wishes to adjust the limit switches, to set the function the
PCU is required. To set simply push the “Auto Setting” button after putting actuator in the 50% open (or close)
position. PCU automatically sets all the functions by itself .
8. Disassembly modification without factory consent may affect the performance of the actuator.