Using the Modbus Plus Ports
870 USE 101 10 V.2 189
Cluster Mode Cabling Schemes, Continued
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.
Continued on next page
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Label Description Part Number
1 Modbus Plus Tap 990 NAD 230 00
2 Modbus Plus 10 ft. Drop Cable 170 MCI 021 20
3Modbus 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