Using the Modbus Plus Ports
870 USE 101 00 V.3 165
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
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