background image

Wiring schematic diagram

Set up correctly according to the following wiring schematic diagrams and “Wire type and 
distance”. 

Door (Door Opener) 2 *

4

Door (Door Opener) 1 *

4

PBX*

3

Door station 2

Door station 1 *

1

(Non polar)

(Non polar)

Main monitor station

Terminal box
(4-conductor wiring)

(Non polar)
(Non polar)
(Non polar)

Power plug

(100 – 240 V AC)

You can also connect 
an optional lobby 
station for apartment 
complexes.*

2

Optional equipment

 

(Refer to pages 42-43 in the Operating Instructions.)

*

For VL-MW250BX users: The door station is optional (not included).

*

2

 

Connecting an optional lobby station for apartment complexes

Be sure to perform the following to ensure proper operation:

L

Connect to terminal D1/D2 on the main monitor station.

L

After connecting to the main monitor station, change the setting of “LOBBY 
CONNECTION” to “YES” using the main monitor station. (Refer to page 38 in the 
Operating Instructions.)

*

3

 For information about compatible PBXs, refer to page 4 in the Operating Instructions.

*

Connecting a door opener

L

Before connecting to a door opener, make sure that:
– S1/S2/S3/S4 terminal: Normally open/Actively short
– The door opener is less than 30 V AC (1 A), 24 V DC (1 A).
–  S1/S2/S3/S4 terminal on the main monitor station is not the power supply to the door 

opener. If the door opener needs a power supply device to connect to the main monitor 
station, contact the dealer where you purchased the door opener.

L

 

The door opener for the door station connected to terminal D1/D2 must be 
connected to terminal S1/S2. The other door opener for the door station connected 
to terminal D3/D4 must be connected to terminal S3/S4.

L

 You can connect up to 2 door openers to the main monitor station. If the main monitor 
station is connected to a PBX, one of the 2 door openers can be connected to the PBX 
and operated from the PBX extensions.

Note:

L

Connect the plug to the power outlet which is easily accessible. In case the plug is not 
easily accessible, you should install the main disconnect device near the product. The main 
disconnect device needs to be certi

fi

 ed or comply with an appropriate standard. (See “To 

connect the plug to the power outlet which is not easily accessible”.)

L

When you move the main monitor station, make sure the PBX is disconnected.

L

The door opener wiring schematic diagram is only an example. Refer to the wiring 
instructions provided with your door opener and PBX for details.

Wire type and distance

L

Wire (between the main monitor station and the door station):

Type

Distance

Loop resistance

General cable CAT-3

Maximum 50 m

10 

Ω

 or lower

General cable 22 AWG (ø 0.65) Maximum 100 m

L

Wire (between the main monitor station and PBX):
Type: General cable CAT-3 or 22 AWG (ø 0.65)
Distance: Maximum 100 m

SW250BX̲Installation̲Guide.indd   5

SW250BX̲Installation̲Guide.indd   5

2010/08/19   12:57:41

2010/08/19   12:57:41

Reviews: