44
Port2 (fieldbus): Connectors S4, S5 MODBUS RTU/Ethernet Modbus TCP
Connector S4
RJ10 4-4 pin
Nr. Pin
Name
Description
Note
4
3
2
1
1
GND1 (**)
(**) Connect the GND signal
between Modbus devices with a
line distance > 100 m.
2
Rx/Tx+
Data reception/transmission (A+)
3
Rx/Tx-
Data reception/transmission (B-)
4
+V (reserved)
Cable type: flat telephone cable for pin 4-4 conductor 28 AWG
Connector S5
RJ45
Nr. Pin
Name
Description
Note
8
1
1
TX+
Data + Transmission
2
TX-
Data - Transmission
3
RX+
Data + Reception
4
n.c.
5
n.c.
6
RX-
Data - Reception
7
n.c.
8
n.c.
Cable type: Use standard category 6 cable according to TIA/EIA-568A
S4 female connector
S5 female connector
Summary of Contents for CFW
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