24
80395G_MHW_GFX4_09-2010_ENG
Table 27
Port2 (fieldbus): connectors S4, S5 Modbus RTU / Ethernet Modbus TCP
Figure 34 Port2: Modbus RTU / Ethernet Modbus TCP Interface
Table 26
4
3
2
1
Cable type: flat telephone cable for pin 4-4 conductor 28AWG
Connector S4
RJ10 4-4 pin
Nr. Pin
Name
1
2
3
4
GND1 (**)
Rx/Tx+
Rx/Tx-
+V (riservato)
Cable type: Use standard category 6 cable according to TIA/EIA-568A
Connector S5
RJ45
Nr. Pin Name
1
2
3
4
5
6
7
8
TX+
TX-
RX+
n.c.
n.c.
RX-
n.c.
n.c.
Description
-
Data reception/transmission (A+)
Data reception/transmission (B-)
-
Description
Data + transmission
Data - transmission
Data + reception
Data - reception
Note
Note
(**) Connect the GND signal
among Modbus devices with a line
distance > 100 m.
S4 female connector
S5 female connector
Yellow Led
Green Led
8
1
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