Bus wiring example
Example 2: 32 call buttons on the lobby station/6 lobby stations
D
D
F
#8
#7
#6
#5
#4
#3
#2
#1
E
B
H
A
C
#1
#2
#3
#4
#5
#6
C
G
System devices
R
See page 23 for information about connections for power supply units.
No.
Item
Star wiring
Bus wiring
A
Lobby station (VL-VM series)
Up to 1
Up to 6
B
Main monitor
Up to 32 (depending on the composition of the lobby station's
modules)
C
Power supply unit (VL-PS240)
The number of required power supply units differs depending on the
number of devices used.
D
Power supply unit (VL-PS2410)
The number of required power supply units differs depending on the
number of devices used.
E
Distributor (VL-VM701)
–
Up to 8
F
Extension box (VL-V703)
–
Up to 1
G
K-IN connection device (example:
access controller and/or open
door sensor, etc.)
Up to 2
Up to 2
H
Electric lock
1 per lobby station
1 per lobby station
*1 See page 18 for specifications and information about supported models.
*2 VL-MV10 and VL-MWD501 support door bells. For VL-MWD501, a sound is played when the door bell is pressed,
but
“
Doorphone unavailable
”
is displayed on the screen (this is normal).
5
1. Introduction