39
A. Turn knob until blue LED lights up.
Max sensitivity reached, Position 1.
“1” - Maximum sensitivity setting.
Too sensitive for most gates. (LED lights)
“16” - Minimum sensitivity setting.
Not sensitive enough for most gates. (LED is off)
B. Turn knob counter-clockwise to reduce
sensitivity during ERD testing as needed.
(LED remains OFF for all but position 1)
The MAX 1500 / MAX 2200 is equipped with an ERD Sensor - Electronic Reversing Device (Type A) that functions as
entrapment protection according to UL 325 standards. The gate will reverse direction after encountering an
obstruction in either the OPEN or CLOSE gate cycle.
When the gate encounters an obstruction during the CLOSE cycle, it will reverse to the open position and PAUSE the gate.
An input command (press remote button or exit loop activation) is needed BEFORE the gate will reset and close again.
When the gate encounters an obstruction during the OPEN cycle, it will reverse approximately 6 inches and PAUSE the gate.
An input command (press remote button or exit loop activation) is needed BEFORE the gate will reset and open again.
For the ERD Sensitivity to function correctly:
• Limit sensors MUST be learned BEFORE adjusting the ERD Sensitivity.
See previous page if you have questions about how limit sensors are learned.
Adjustments
reverse sensor (erd)
Adjusting ERD Sensitivity
Alarm
Reset
Button
16 sensitivity setting positions.
NO mechanical hard stop for knob.
PhotoCell
Edge
UL
Entrap
1
2
Limit SW
ON-LINE
MATRIX
JOG
JOG
LEFT
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
Sensitivity
Edge
ERD
16
15
14
13
12
3
4
5
MAX
LED ON
Sensitivity
ERD
16
15
14
13
12
3
4
5
MAX
LED ON
Sensitivity
ERD
A
C
I
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F
USE
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Edge 2
Photo
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6
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1
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1
3
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3
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5
M
A
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ty
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4
V
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ND
-
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4
8
5
(-
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-
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-4
85
(
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-
MA
TR
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B
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S
2
4
V
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A
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A
RM
1
2
V
A
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R
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ESE
T
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TAMP E
R
M
A
G
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OC
K
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PEN
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IGHT
OP
EN
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F
T
MA
GL
OC
K
DELAY
P
R
IM
ARY
G
ATE
S
A
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Y
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E
XI
T
O
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MAX
G
ATE
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P
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ED
S
TOP
C
LO
S
E
A
N
TI
TA
IL
G
AT
E
C
L
O
S
E
TIM
E
R
P
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S
IT
IO
N
R
ECO
R
D
ER
ID
P
L
UG
A
U
T
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MAT
IC OPEN/C
LOSE CONTRO
L
S
B
AT
T
ERY
BACK-UP
MO
DE
MA
TRIX
1
P
H
O
T
O
C
E
L
L
E
DG
E
1
E
D
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E
2
ID
PL
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RR
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p
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F
ON
E
X
IT
PA
RTIA
L
OPE
N
O
BD PORT
BL
ACK BOX
MOTOR
M
OTI
ON
C
ENTER
REV
E
RS
E
S
E
NS
IT
I
VIT
Y
M
OT
OR OV
ERL
OA
D
NO
L
IM
IT
SW
I
T
C
H
/
C
LAMP
S
LIPPING
M
I
N
M
A
X
1
2
V
DC
GND
2
4
VDC
GND
M
AX
M
I
N
OF
F
S
A
FE
TY
L
E
AVE
OPE
N
L
E
AVE
CLOS
E
D
M
ADE in
US
A
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1
T
IM
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2
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ec
1
.
5
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ec
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OM
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RY
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E
P
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R
G
AT
E
S
TA
TUS
M
O
T
O
R
O
N
-
L
IN
E
L
IM
IT
SWITCH
O
N
-
L
IN
E
(
+
)
G
ND
(
-
)
PRIMAR
Y
GAT
E
(
+
)
G
N
D
(
-
)
S
EC
GA
T
E
UL
E
N
T
R
AP
PH
O
T
O
CE
L
L
G
N
D
ST
R
IK
E
G
N
D
KE
Y
P
AD
/
R
D
R
G
N
D
F
IRE DEPT
G
N
D
MA
X
O
PE
N
G
N
D
R
AD
IO SIG.
R
AD
IO G
N
D
O
PE
N
ST
O
P
CL
O
SE
CO
M
G
A
T
E
D
IS
ABL
E
IMPORTANT: When satisfied with ERD adjustment,
cycle the gate 3 or 4 times to make sure that the ERD
sensor does not falsely trigger during normal gate
operation. Readjust if this happens.
Testing ERD Sensitivity
OPEN STOP CLOSE
MOTOR MOTION
Matrix 1
Allow the gate to strike an immobile object while OPENING and
CLOSING. The gate MUST reverse direction after striking the object.
Increase or decrease the ERD Sensitivity as needed. Repeat this
process until the correct sensitivity is achieved. If alarm sounds
while preforming this procedure,
press STOP BUTTON on Matrix 1
or externally mounted Alarm
Reset button to shut-off alarm.
When solid gates are installed in:
• Unusually high wind areas
• Uphill opening gate
• Heavy gate
• Cantilever type gate
ERD sensor can be set to Min (position 16)
to keep the gate cycling normally in such
extreme conditions.
CAUTION: Minimum sensitivity setting
(position 16) results in gate exerting
MAXIMUM force before reversing direction.
“Min” ERD Position 16 Setting
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