Installation of Limit Switches and Positive Stops

Although the E-SC 1602 control board comes equipped with a cycle time learning function, physical stopping mechanisms must still be used. This can be done with limit switches (not included), positive stops (not included) or both. These must be installed before learning.

If using positive stops you must be on operating parameter:

Positive stops

Positive stops are physical structures the doors come in contact with at the end of the opening and closing cycles.

Limit switches

Mounting the limit switches

Slide the limit rings on the top side of the transmission shaft. Line up the holes on the limit switches with the holes on the top of the operator. Manually release the arm.

CLOSED DOOR LIMIT SWITCH

Move the door into the full closed position then move the bottom ring so it is pushing the switch on the bottom limit switch in. Tighten the screw on the bottom ring to secure it in place (see next page for screw close up).

OPEN DOOR LIMIT SWITCH

Move the door into the full open position. Move the top ring until it is pushing the switch

on the top limit switch in. Tighten the screw on 4.3 the top ring to secure it in place.