
Using the Modbus Plus Ports
870USE10110 July 2004 137
Cluster
Scheme #2
In this example, two clusters are connected in sequence. The network ends with the
second cluster.
Legend:
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
6 Terminating resistor plug 170 XTS 021 00
1
2
3 4
5
6
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