
Using the Modbus Plus Ports
136
870USE10110 July 2004
Cluster
Scheme #1
In this example, two clusters of Momentum I/O modules are connected in sequence.
The trunk cable continues from the clusters in both directions.
Legend:
1
2
3 4
5
2
1
Label Description Part Number
1 Modbus Plus Tap 990 NAD 230 00
2 Modbus Plus 10 ft. drop cable 170 MCI 021 20
3 Modbus Plus connector T (DB9 base) 170 XTS 020 00
4 Modbus Plus / Modbus RS485 short interconnect cable or
Modbus Plus / Modbus RS485 3 ft. interconnect cable
170 MCI 020 10
170 MCI 020 36
5 Modbus Plus / Modbus RS485 30 ft Interconnect Cable 170 MCI 020 80
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