Remote i/o connections – Rockwell Automation 2706-M1 MESSAGEVIEW 421 HARDWARE MANUAL User Manual
Page 96

6–3
Remote I/O and RS-232 Connections
Publication 2706–816
To connect the MessageView terminal to a Remote I/O scanner, use
cable Catalog No. 1770-CD (equivalent to Belden 9463).
Refer to the Programmable Controller Wiring and Grounding
Guidelines (Publication 1770-4.1). The user manual for the I/O
scanner module also provides cabling information.
The maximum cable length (link distance) is determined by the baud
rate:
RIO port
Communicates at:
Nodes Supported
Maximum
Cable Length
Line Termination
Resistor
57.6K baud
16
10,000 ft. (2800 m)
150 ohm
115.2K baud
16
5,000 ft. (1400 m)
150 ohm
230.4K baud
32
2,500 ft. (700 m)
82 ohm
A terminal block connector plug is provided with each terminal. For
additional connector plugs, order Replacement Part No.
22112-046-03.
Remote I/O Port Connection
Cable (Catalog No. 1770-CD)
To PLC or Scanner Remote I/O Port
Line Two
Shield
Line One
Connector
(One provided with terminal)
Termination Resistor
Remote I/O Connections