Two-Door Interlock System (Airlock)
Used for two-door systems when only one door can be open at a time, typically in security applications such as a sally port. Requires that four wires
be ran between the two operators (Figure 5). An auxiliary limit switch on the close side of each operator is required.
FIGURE 5
C
NO
SLOT 1
RADIO
SLS
MRT
MID
TTC
DATA
24VAC
24VAC
LMEP:
EDGE:
OPEN
CLOSE
STOP
COMMON
RELAY A
RELAY B
SBC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MAS
COMMON
TIMER
DEFEAT
POWER
TIMER
ENABLE
12
3
FSTS
DIAG
OPTN
PROG
TT
S
E2
D1
C2
B2
CLS
OLS
MID
REV
STD
SLOT 2
MOTOR
DIRECTION
3-PHASE
1-PHASE
23 24 25
SLOT 1
RADIO
SLS
MRT
MID
TTC
DATA
24VAC
24VAC
LMEP:
EDGE:
OPEN
CLOSE
STOP
COMMON
RELAY A
RELAY B
SBC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MAS
COMMON
TIMER
DEFEAT
POWER
TIMER
ENABLE
12
3
FSTS
DIAG
OPTN
PROG
TT
S
E2
D1
C2
B2
CLS
OLS
MID
REV
STD
SLOT 2
MOTOR
DIRECTION
3-PHASE
1-PHASE
23 24 25
C
NO
Limit
Switch
OPERATOR 1
Auxiliary
Terminal
Block
Remove Factory
Jumper on
Operator 1
OPERATOR 2
AUXILIARY CLOSE
LIMIT SWITCH
IN OPERATOR 2
Remove Factory
Jumper on
Operator 2
Auxiliary
Terminal
Block
Logic Board
Limit
Switch
AUXILIARY CLOSE
LIMIT SWITCH
IN OPERATOR 1
Logic Board
5. Connect the ends of the wire leads to desired field wiring with wire
nuts or terminals to complete installation (Figure 4).
6. Reconnect power to the operator.
FIGURE 4
20
21
22
23
24
25
NC
NO
C
NC
NO
C
White
AUXILIARY OPEN
LIMIT SWITCH
AUXILIARY CLOSE
LIMIT SWITCH
OPEN AND CLOSED AUXILIARY SWITCH
Blue
White
White
Blue
Blue
2-3 POLE TERMINAL BLOCKS
(WHEN PRESENT)
2
Summary of Contents for K90-9210M2L5
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