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6
Direct Communication Module
Extended Node Capability
The 1747-DCM features extended node capability. Extended node capability allows
you to have up to 32 adapters on the RIO link using an 82Ω termination resistor at
both ends of the RIO link for all baud rates.
IMPORTANT
Hardware Features
FAULT LED (Red)
COMM LED (Green)
Door Label
Front Label
RIO Link Connector
Cable Tie Slots
Publication 1747-IN005B-EN-P - March 2003
Extended node capability can only be used if the scanner and all
adapters on the RIO link have extended node capability.
DCM
FAULT
COMM
CONFIGURATION
I/O
GROUP
RACK ADDR
(LSB)
RACK
ADDRESS
RACK SIZE
1/4 1/2 3/4 1
(MSB)
FIRST I/O GROUP
0
2
4
6
X
X
DATA RATE (K B/S)
RACK
57.6 115.2 230.4
SIZE
LAST RACK
CLR ON FLT
DATA
RATE
LINE 1 _______
SHIELD ______
LINE 2 _______
1747±DCM
Self-Locking Tab
Side Label
DIP Switches
Self-Locking Tab
SW 1
8
I/O
GROUP
7
6
(LSB)
5
RACK
4
ADDR
3
2
1
(MSB)
SW 2
8
X
7
X
6
RACK
5
SIZE
4
LAST RACK
CLR ON FLT
3
2
DATA
RATE
1
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