Rockwell Automation T7491 ICS Regent+Plus Mixed I/O Modules - Manual (Page 18)

Multiplexed I/O Module (T7491)
1 8
Industrial Control Services
Specifications
Safetybus Power 1.0 load units
Mux I/O Capacity Maximum 12 MIU
processors supporting a total
of 8 Mux Input Units (512
points) and 4 Mux Output
Units (256 points).
Compatible MIU Equipment MIU 3201: Multiplexed I/O
Processor Unit,
MIU 3202: Multiplexed
Input Unit, 64-channel,
MIU 3204: Multiplexed
Output Unit, 64-channel
Port Type Two isolated RS-422 ports
Protocol Subset of ICS2000 I/O
communications protocol
Operating Modes Two independent single
communications links, or
Dual voted communications
links (2oo2)
Baud Rate
9,600 or 19,200 baud
Maximum Distance approximately 4000 feet
(1220 m) @ 19,200 baud,
8000 feet (2440 m) @ 9,600
baud
Isolation 1,000 volts minimum (serial
port to serial port)
1,000 volts minimum (serial
port to logic)
Heat Dissipation 4.5 Watts, 15 BTUs/hour
Operating Temperature 0 ° to 60 ° C
(32 ° to 140 ° F)
Storage Temperature -40 ° to 85 ° C
(-40 ° to 185 ° F)