3.3.1
Display, operating, and connection elements
3.3.2
Interface
Connection
Designation
System bus In
Bus In
(input)
3.3.3
Voltage supply
Connection
DC 24 V (front)
(5)
(4)
(1) Status displays (LED):
P = Voltage supply
S = Status
(2) Voltage supply Out, DC 24 V
(3) Side system bus Out (output)
(4) System bus In (input)
(5) Voltage supply In, DC 24 V
Connection element
Terminals
+24 V and
GND
3 Electrical connection
(1)
(2)
(3)
Assignment
1 TX+
2 TX-
3 RX+
6 RX-
Symbol and terminal designation
+
U
x
-
Transmission data +
Transmission data -
Received data +
Received data -
+24 V
GND
19