gefran GFX4

20
80395G_MHW_GFX4_09-2010_ENG
Port2 (fieldbus): connectors S4, S5 MODBUS RTU/MODBUS RTU
Figure 30 Port2: Fieldbus Modbus RTU/Modbus RTU Interface
Table 20
4
3
2
1
Cable type: flat telephone cable for pin 4-4 conductor 28AWG
Connector S4/S5
RJ10 4-4 pin
Nr. Pin
Name
1
2
3
4
GND1 (**)
Tx/Rx+
Tx/Rx-
+V (riservato)
Description
-
Data reception/transmission (A+)
Data reception/transmission (B-)
-
Note
(*) Insert the line termination in the
last device on the Modbus line.
(**) Connect the GND signal
among Modbus devices with a line
distance > 100 m.
Connector S4
Connector S5
Line termination (*)
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