Publication 1756-UM514B-EN-P - February 2003
1-4 1756-DHRIO Module Description
Module Features
Figure 1.3 shows the external features of the 1756-DHRIO module.
Figure 1.3
Other module features include:
· routing table that allows DH+ devices to use the 1756-DHRIO
module and ControlLogix chassis to access other
networks
· routing communications to and from other modules
· no limit on number of modules per chassis, up to the number of
available slots and the capabilities of the power supply
· can be removed and inserted under power without disrupting
power to other modules in the chassis
41278
Network Type switches
(behind cover)
41277
Network Address switches
(behind cover)
Backplane
connector
(CIP=Port 1)
Side
view
Front
view
Alphanumeric
status indicator
Channel and
module status
indicators
8-pin mini-DIN
Programming
Terminal
Channel A
(CIP=Port 2)
Wiring
label
Door
Channel B
(CIP=Port 3)
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