Chamberlain MADCBB - Manual (Page 20)

20
INPUT LOCATIONS
Accessory power is 24 Vdc regulated rated at 500 ma. [1/2 amp].
NOTE: J5 #8 is now the SAMS with memory input (see page 13).
D11: Heart beat. Shows that processor and program are running properly.
D12: Battery status. See diagnostic procedures.
D14: AC power indicator. Shows that AC power is present.
S3: Manual open. To allow gate to be opened or closed during service of operator. Keep in the “Close” position for normal operation.
F3: 10 amp ATO type fuse for 24 Vac input power. (UL listed fuse only.)
F4: 15 amp ATO type fuse for 24 Vdc battery input power. (UL listed fuse only.)
24VAC XFMR ACC+
HBEAT BAT LO AC POWER
PWR
C NC NO
Aux Relay
R2 R11
D1
Q1
DC
1
1
K1 D11 D12
R13
D14
U19 J4
F3
F4
F1
F2
1A DC
IRD1
R63
J1
ACC– BAT–
BAT– MOV
BAT+ MOTOR
MOTOR
AUX LIMITS
1
J2
J3
J5
M/S
JP2
S3
1
Q2
T2
1 2 3 4 5 6 7 8 9 1Ø 11 12
T1
OPEN 1
D15
C7
X2
C19
D7
OLS
R1
U1
C2
C3
C4
C1
U4
R12
S1
D6
OPEN
D5
BRAKE
D4
CLOSE
D3
CLS
D2
IRD
OPEN 2
D16
R3
Ø
OPEN 3
D17
AUX 4
D18
SAFETY 5
D19
CLOSE 6
D22
BACK 7
D23
SHADOW 8
D24
OPEN
CLOSE
MANUAL
R1Ø
R9
R38
R15
R37
C8
C2Ø
C12
U12
U1Ø
+
R8
R7
R6
R5 U2
U3 CPU
U5
U6
U7
X1
R4
R3
D8 T4
T3 T6
T5 T8
T7
C15
C2
D27
Q6 Q5
F5
C22
C18
U18
1 2 3 4 5 6 7 8
S2
1 2 3 4 5 6 7 8
D1Ø
R14
R18
R21
R24
R36 R42 R47 R53
R35 R41 R46 R5Ø R61
C16
R17
R16
D29
Q4 D28
D26
C6
D25
–
B2
+
U8 U9
U16
U11 U13 U14 U15
D9
R23
R22
R26
R25
R19
B1
R2Ø
C5
+
+
R34
R33
R4Ø
R39
R45
R44
R58
DX3
R49
R48
R43
R51
WARNING FOR
CONTINUOUS
PROTECTION
AGAINST FIRE
REPLACE ONLY
WITH THE SAME
TYPE AND RATING
OF FUSE
R43
R6Ø
R59
D21
D2Ø
R62
DX1
TR
DX4
R57
R56
C13
DX2
R55
Open Gate Inputs - Reader, Push Button
Aux Open / Reset (Pulse Open/Close)
Close Gate Input - Close Loop
Back Away - Free Exit Loop
Commons - 0 Vdc
Shadow Loop
Safety Loop Input
K1 Relay Terminals
(Optional)
Relay (Optional)
Relay Indicator
Obstruction Sense (IRD and MRT)
Close Limit Sensor
Close Drivers On
Motor Brake On
Open Drivers On
Open Limit Sensor
24 Vdc (Regulated) YEL YEL RED ORG BLU BLK
ADDITIONAL FEATURES »
CONTROL BOARD LAYOUT + INPUT LOCATIONS
CONTROL BOARD LAYOUT