
entrapment protection wiring
8
PhotoCell
Edge
UL Entrap
1
2
Limit SW
ON-LINE
MATRIX
JOG
LEFT
JOG
RIGHT
Jog LT
Jog RT
GND
Edge 1
Edge 2
Photo
Cell
ERD
Motor
OverLoad
POWER
MC-200
Motor Controller
16
15
14
13
12
3
4
5
MAX
LED ON
Edge
Sensitivity
ERD
123
Normally Closed (N.C.)
Jumper UNUSED Entrapment Protection Inputs
or a fault will occur.
Example: Inputs 2 & 3 
are NOT used and 
MUST be jumpered
to GND.
GND
1
23
Typical Wiring For:
Normally Closed (N.C.)
Photo Cell to EDGE 1
Sensor Wire
EDGE 1: MONITORED CLOSE ONLY
Edge 2: LEARNED MONITORED OPEN/CLOSE
Photo Cell: LEARNED MONITORED OPEN/CLOSE
IMPORTANT Sensing devices MUST 
be powered by MC-200 or they will 
NOT be MONITORED.
IMPORTANT: Photocells 
MUST be in alignment 
or fault will occur.
IMPORTANT: Photocells 
MUST be in alignment 
or fault will occur.
NOTE: See manual for more information about learned monitored inputs.
See pages 18-20 
for specific 
photocell wiring.
PWR 12V
Typical
HARDWiring
For:
Normally Closed (N.C.) Sensing Edge to EDGE 1
GND (C)
EDGE 1 (N.C.)
CLOSING Direction ONLY
Sensing Edge
NOTE: See 
manual for more 
information 
about sensing 
edges.
NOTE: Power extension 
terminal is connected to 12V 
power on back of MC-200.
ONE Entrapment protection sensor MUST installed or operator will NOT 
function. It MUST be MONITORED and NORMALLY CLOSED (N.C.).
UL 325 2016 Standard
GND (C)
EDGE 1
 (N.C.)
CLOSING Direction ONLY
Reflective
Beam
Reflector
PWR 12V
Polarity does NOT matter
12V Power
Extension
Terminal
12V Power
Extension
Terminal
GEM-104 MUST be used
Polarity does NOT matter
12 Volt Power Extension Terminal:
Entrapment protection sensor power (12V) MUST be wired to this terminal
or it will NOT be MONITORED by the gate operator.
PhotoCell
Edge
UL Entrap
1
2
Limit SW
ON-LINE
MATRIX
JOG
LEFT
JOG
RIGHT
Jog LT
JogRT
GND
Edge 1
Edge 2
Photo
Cell
ERD
Motor
OverLoad
POWER
MC-200
MotorController
16
15
14
13
12
3
4
5
MAX
LED ON
Edge
Sensitivity
ERD
MOTORPower In
ALARM
BATTERY
PACK
LIMIT
SWITCH
MOTOR
INPUTS
PWR 12V
 -
GND
 -
-
-
PWR 24V - 
GND - 
RS-485 (-) - 
RS-485 (+) - 
MATRIX1
Edge 1
Monitored
Reversing
Edge
Monitored
Photo
Cell
OR
GND
Jog RT
Jog LT
Entrapment Protection
Inputs: 
MUSTjumper
unused inputs
Entrapment Protection
Sensor Guidelines
1
-
-
-
CAUTION:
 Seeinstallation instructions.
ATTENTION:
 Vo ir la notice d’installation.
 Edge 2
Photo Cell
MC-200 PWR 12VMUSTbe used
ONLY power entrapmentprotection
sensorswithMC-200 PWR 12V
Inputs & MUST be “LEARNED”
toMONITOR sensors.
To LEARNinputs &:
1. 
MONITORED SensorsMUST be
 wired to inputs BEFORE they can be 
 l
earned. Any unused inputs MUST be 
 jumpered.
2. 
Reversing Edge and/or Photo Cell can 
 be wired to either input 2 or 3.
3. 
Press and HOLDthe OPEN &STOP 
 buttons at the same time on Matrix 1 
 until beep is heard, learn mode begins.
 Learn mode lasts for 5 min. indicated 
 by beeping.
4. 
LEDs WILLbe ON for each detected 
 sensor on MC-200. LEDs WILLbe ON 
 for BOTH MC-200s when dual 
 operators are used.
5. 
PressSTOP button again within 5 min.
 to learn sensorsand end learn mode, 
 beeping stops.
 Inputsare now MONITOR ED.
23
23
23
•
 A sensor MUST be wired to EDGE 1or 
 operator WILLNOT function. 
•
 WireNORMALLY CLOSED(N.C.) 
 MONITORED sensorsONLY, to each
 operator’s MC-200when dual operators 
 are used.
•
 Reversing Edge and/or Photo Cellcan 
 be wired to ANY of the 3Inputs.
•
 MC-200 PWR 12V MUST be used to 
 power MONITORED sensors.
•
 UNUSED inputs MUSTremain
 JUMPERED or fault willoccur.
GND
1
23
OPENSTOP
CLOSE
MOTORMOTION
MC-200 Swing
Edge 1
CLOSE ONLY
ON = Obstruction
BLINKING = Fault
PWR
MON.
SAFETY
INPUT
GEM - 104
10K Edge
Normally
Closed
PhotoCell
Edge
UL Entrap
1
2
Limit SW
ON-LINE
MATRIX
JOG
LEFT
JOG
RIGHT
Jog LT
JogRT
GND
Edge 1
Edge 2
Photo
Cell
ERD
Motor
OverLoad
POWER
MC-200
MotorController
16
15
14
13
12
3
4
5
MAX
LED ON
Edge
Sensitivity
ERD
MOTOR
Power In
ALARM
BATTERY
PACK
LIMIT
SWITCH
MOTOR
INPUTS
PWR 12V
 -
GND
 -
-
-
PWR 24V - 
GND - 
RS-485 (-) - 
RS-485 (+) - 
MATRIX1
Edge 1
Monitored
Reversing
Edge
Monitored
Photo
Cell
OR
GND
Jog RT
Jog LT
Entrapment Protection
Inputs: 
MUSTjumper
unused inputs
Entrapment Protection
Sensor Guidelines
1
-
-
-
CAUTION:
 See installation instructions.
ATTENTION:
 Vo ir la notice d’installation.
 Edge 2
Photo Cell
MC-200 PWR 12V MUSTbe used
ONLY power entrapmentprotection
sensors withMC-200 PWR 12V
Inputs & MUST be “LEARNED”
to MONITOR sensors.
To LEARNinputs &:
1. 
MONITORED SensorsMUST be
 wired to inputs BEFORE they can be 
 l
earned. Any unused inputs MUST be 
 jumpered.
2. 
Reversing Edge and/or Photo Cell can 
 be wired to either input 2 or 3.
3. 
Press and HOLDthe OPEN &STOP 
 buttons at the same time on Matrix 1 
 until beep is heard, learn mode begins.
 Learn mode lastsfor 5 min.indicated 
 by beeping.
4. 
LEDs WILLbe ON for each detected 
 sensor on MC-200. LEDs WILLbe ON 
 for BOTH MC-200s when dual 
 operators are used.
5. 
PressSTOP button again within 5 min.
 to learn sensorsand end learn mode, 
 beeping stops.
 Inputsare now MONITORED.
23
23
23
•
 A sensor MUST be wired to EDGE 1or 
 operator WILL NOT function. 
•
 WireNORMALLY CLOSED(N.C.) 
 MONITORED sensorsONLY, to each 
 operator’s MC-200when dual operators 
 are used.
•
 Reversing Edge and/orPhotoCellcan 
 be wired to ANY of the 3Inputs.
•
 MC-200 PWR 12V MUST be used to 
 power MONITORED sensors.
•
 UNUSED inputsMUSTremain
 JUMPERED or fault willoccur.
GND
1
23
OPENS
TOP
CLOSE
MOTORMOTION
MC-200 Swing
Edge 1
CLOSE ONLY
RecrTrans
Thru-Beam
Entrapment Protection Device Locations:
CLOSING Direction
Photocell ONLY
Continued on next page.
Entrapment Area
Gate Open
Gate Closed
Dual Gate Operators NOTE: Connect CLOSING Direction 
photocell to the PRIMARY gate operator’s MC-200.
Run conduit
to operator
CLOSING direction photocell 
to MC-200 EDGE 1 input.
Beam: 5” or LESS
from CLOSED gate.
IMPORTANT: Entrapment 
Protection Photocells MUST be 
Monitored Normally Closed Type.
See page 21 to wire 
a Gate Link wireless 
transmitter.
7
UL 325 2016 Standard-Megatron Quick Install Rev 10