3 Electrical connection
3.3.2
Interfaces
Connection
Description
System bus In
Bus In
(input)
System bus Out1
Bus Out1
(output)
System bus Out2
Bus Out2
(output)
3.3.3
Voltage supply
Connection
DC 24 V (front)
22
Connection element
Terminals
+24 V and
GND
Assignment
1 TX+
Transmission data +
2 TX-
Transmission data -
3 RX+
Received data +
6 RX-
Received data -
1 TX+
Transmission data +
2 TX-
Transmission data -
3 RX+
Received data +
6 RX-
Received data -
1 TX+
Transmission data +
2 TX-
Transmission data -
3 RX+
Received data +
6 RX-
Received data -
Symbol and terminal designation
+
U
x
-
+24 V
GND