Specifications – Rockwell Automation T3491 ICS Regent Multiplexed I/O Modules User Manual
Page 18

Multiplexed I/O Module (T3491)
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)