Panasonic VL-VM701 Installation And Operating Instructions Manual page 37

Bus wiring examples
Maximum number of devices
R Lobby station: up to 6
R Main monitor: up to 32 (depending on the composition of the lobby station's modules)
R Distributor: up to 8
R Extension box: up to 1 (required when expanding the lobby stations)
Using the distributor
Important:
R When using bus wiring, do not connect wires from main monitors to the terminals on the rear of the lobby
station's button modules.
R Wiring is non-polarised.
12 V
AC / DC
Power
Electric
supply
lock
(output)
Open door
sensor (input)
OUT
To 3rd VM701
L1
L2
distributor
IN
VM101/
VM701
L1
L2
DC IN
NOT
FOR
AC
OUT
VM701
L1
L2
IN
VM101/
From lobby VM701
L1
station L2
24 V DC
POWER
DC IN
NOT
SUPPLY
FOR
AC
*1
UNIT
To AC power
outlet
*1 : From 24 V DC POWER SUPPLY UNIT
DIP SW
K-OUT K-IN1/K-IN2
NO COM NC C1 C2C1C2 L1 L2
Distributor #2
ROOM
D1
1
D2
DIP SW
D1
2
D2
DIP SW
D1 #7
3
D2
DIP SW
DIP SW
D1 #8
4
D2
DIP SW
Distributor #1
ROOM
D1
1
D2
DIP SW
D1
2
D2
DIP SW
D1 #3
3
D2
DIP SW
DIP SW
D1 #4
4
D2
DIP SW
DC IN
#5
D1 1
D2 2
IN1 1
IN2 2
OUT1 1
OUT2 2
#6
D1 1
D2 2
IN1 1
IN2 2
OUT1 1
OUT2 2
Main monitor #1
D1 1
2
D2
IN1 1
IN2 2
OUT1
1
OUT2 2
#2
D1 1
D2 2
IN1 1
IN2 2
*1
OUT1 1
OUT2 2
4. Installation
Lobby station
24 V DC
POWER
SUPPLY
UNIT
Access
controller (input)
#4
#3
#2
#1
To AC power
outlet
37