ALL-O-MATIC SL-175, Manual

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31
SW-375 DC MONITORED ENTRAPMENT
PROTECTION DEVICE CONNECTION
Ÿ
There are 2 types of sensors that can be connected to the gate operator for UL 325 monitored entrapment
compliance: non-contact sensors (photo eye) and contact sensors (edge sensors).
Ÿ
Monitored entrapment protection devices use 4 wires to connect to the board. From the device, connect the
RELAY COMMON to the board COMMON and the NORMALLY CLOSED relay contact to the assigned
MON_OPEN or MON_CLOSE input. Connect the power wires to the COMMON and MON-24VDC.
Ÿ
IMPORTANT: You must use the MON-24VDC to properly monitor entrapment protection devices. Do not use the
24 VAC terminal on the board’s terminal strip.
Ÿ
Please refer to the device manufacturer wiring instructions for details, making sure to follow the normally closed
wiring directions. Some devices may work on monitoring interfaces other than normally closed.
Ÿ
Should there be a need for more than 1 entrapment protection device for each direction, use a multi-input module
from Miller Edge (model: MIM-62).
MON_CLOSE
(LED will indicate when an obstruction is detected or device is not present)
This input is only for the monitored entrapment protection device for the close
direction. When the gate is closing, it will open to the full open position if an
obstruction is sensed and resets the automatic close timer. This input does nothing
in the opening direction. If a device is not connected or it senses a fault
(MON_FAULT LED will turn on), the operator will only work with a constant pressure
actuated switch.
MON_OPEN
(LED will indicate when an obstruction is detected or device is not present)
This input is only for the monitored entrapment protection device for the open
direction. When the gate is opening, it will reverse for 2 seconds and stop if it senses
an obstruction. This input does nothing in the closing direction. Upon power up, if a
device is not detected, the operator will assume that one is not required for the
opening direction. If a device is connected and the board detects a fault
(MON_FAULT LED will turn on), the operator will only work with a constant pressure
actuated switch.
COMMON
STOP CMD
COMMON
MON-12VDC
MON_OPEN
MON_CLOSE
CLOSE
PHOTO EYE
COM N.C.
N.C.
OR
COM
CLOSE
EDGE
OPEN
PHOTO EYE
COM N.C.
N.C.
OR
COM
OPEN
EDGE
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30
36VDC MANUAL (09.2020)
Monday, August 31, 2020 8:58:12 AM