Wiring, Specification ( continued ) – SMC Networks EtherNet/IP EX500-GEN1 User Manual
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Wiring
Specification ( continued )
The wirings is explained in the following order.
Communication wiring : Connection with EtherNet/IP
Power supply wiring : Connections of power supplies for
solenoid valves/output devices, and for
input devices and controlling GW/SI
Power
supply
connector
Power supply
for output
Power supply
for input and
controlling GW/SI
+Tx
2
+Rx
+24V
+24V
3
- Tx
4
- Rx
0V
2
3
0V
4
5
PE
RD+
2
RD -
3
TD+
4
TD -
5
+24V
6
0V
7
+24V
8
0V
COM A
RD+
2
RD -
3
TD+
4
TD -
5
+24V
6
0V
7
+24V
8
0V
COM D
1
1
1
1
Communication
connector
Internal circuit
DC-DC
converter
Internal circuit
Branch wiring : Connection from GW unit to SI unit or Input unit
Lower-level bus
Number of branches for
input/output
4 branches ( 16 points/branch ) for input
4 branches ( 16 points/branch ) for output
Communication method
Protocol : Dedicated for SMC
Speed : 750kbps
Branch current for input
( Note )
Max. 0.5 [A] per branch ( when SI unit and input
devices are connected )
Branch current for output
Max. 0.65 [A] per branch
( when SI unit EX500-S
01 is connected )
Max. 0.75 [A] per branch
( when SI unit EX500-Q
is connected )
Branch cable length
5m or less between devices
( total extended length : 10m or less )
Note : Total value of maximum current consumption and maximum load current of input devices
to connect.