2-31 Installation and connectionInstallation
■ Input wiring example
The figure below is a signal connection example. Connected devices differ depending on the system
configuration.
Fig. 2-21 : Input signal connection example (SDI1 port)
DSI1A
SDI1
DC24V
Connector pin numbers
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
0V(RG)
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
Safety extension unit
Control
circuit
Control
circuit
A1
A2
B2
B1
A3
A4
B4
B3
A5
A6
B6
B5
A7
A8
B8
B7
A9
A10
B10
B9
DSI1B
COM+
COM+
DSI2A
DSI2B
COM+
COM+
COM+
COM+
DSI4A
DSI4B
COM+
COM+
COM+
COM+
DSI5A
DSI5B
DSI3A
DSI3B