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Port2 (fieldbus): connectors S4, S5 Modbus RTU / Ethernet Modbus TCP
Figure 32
Port2: Modbus RTU / Ethernet Modbus TCP interface
Table 30
Connector S4
RJ10 4-4 pin
4
3
2
1
Cable type: flat telephone cable for pin 4-4 conductor 28AWG
Table 31
Connector S5
RJ45
8
1
Cable type: Use standard category 6 cable according to TIA/EIA-568A
80993B_MHW_GFW-Xtra_06-2018_ENG
Nr� Pin
Name
1
GND1 (**)
2
Rx/Tx+
3
Rx/Tx-
4
+V (reserved)
Nr� Pin
Name
1
TX+
2
TX-
3
RX+
4
n.c.
5
n.c.
6
RX-
7
n.c.
8
n.c.
Description
-
Data reception/transmission (A+)
Data reception/transmission (B-)
-
Description
Data + transmission
Data - transmission
Data + reception
Data - reception
S5 female connector
S4 female connector
Yellow Led
Green Led
Note
(**) Connect the GND signal
between Modbus devices with a
line distance > 100 m.
Note
27
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