LiftMaster MAST Owners Manual - Page 20

Control Board Layout + Input Locations, Input Locations, Control Board Layout

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ADDITIONAL FEATURES » CONTROL BOARD LAYOUT + INPUT LOCATIONS CONTROL BOARD LAYOUT Open Gate Inputs - Reader, Push Button Aux Open / Reset (Pulse Open/Close) Safety Loop Input Close Gate Input - Close Loop Back Away - Free Exit Loop Shadow Loop Commons - 0 Vdc C18 U18 C15 Q6 Q5 Q4 D28 Open Limit Sensor Open Drivers On Motor Brake On Close Drivers On Close Limit Sensor Obstruction Sense (IRD and MRT) Relay Indicator Relay (Optional) 1 1 J2 AUX LIMITS M/S J3 R14 D8 D1Ø R18 S1 S2 1 2345678 1 2345678 R1 R12 R17 R16 MANUAL Q2 OPEN 1 2 3 4 5 6 7 8 9 1Ø 11 12 J5 S3 T2 T4 T6 T8 T1 T3 T5 T7 OPEN 1 OPEN 2 OPEN 3 AUX 4 SAFETY 5CLOSE 6 BACK 7SHADOW 8 CLOSE R21 C16 D24 D17 R36 D18 R42 D19 R47 D22 R53 D23 D16 D15 C3 R24 R35 R41 R46 R5Ø R61 R3Ø U4 U8 U9 U11 U13 U14 U15 C19 F5 C2 C1 C2 U1 OLS D7 R23 R34 R4Ø R45 R49 R6Ø R22 R33 R39 R44 R48 R59 C22 OPEN X1 D6 R1Ø R9 BRAKE U6 IRD1 R26 R25 R43 R43 D21 R63 U16 R58 D5 R8 U5 C12 U12 D27 CLOSE D4 U7 DX3 C6 U1Ø DX4 X2 C7 R7 D29 CLS D3 R6 R57 C13 R56 IRD D2 U3 R5 U2 R4 C4 CPU R19 JP2 F2 R38 R37 R51 D2Ø DX2 R55 R3 Q1 D9 R2Ø + C5 F1 1A DC C8 C2Ø + R15 D1 + F4 R2 R11 B1 HBEAT BAT LO AC POWER K1 D11 D12 D14 F3 WARNING FOR R62 CONTINUOUS PROTECTION AGAINST FIRE DX1 REPLACE ONLY WITH THE SAME TYPE AND RATING OF FUSE D26 D25 - R13 U19 J4 BAT- MOV MOTOR Aux Relay TR J1 C NC NO DC 1 1 B2 + PWR K1 Relay Terminals (Optional) ACC+ ACC- BAT- BAT+ 24VAC XFMR 24 Vdc (Regulated) BLK RED YEL YEL BLU MOTOR ORG 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.) 20

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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
1
Ø
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
R1
Ø
R9
R38
R15
R37
C8
C2
Ø
C12
U12
U1
Ø
+
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
D1
Ø
R14
R18
R21
R24
R36
R42
R47
R53
R35
R41
R46
R5
Ø
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
R
2
Ø
C5
+
+
R34
R33
R
4
Ø
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
R
6
Ø
R59
D21
D2
Ø
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