Rockwell Automation 1747-BSN Backup Scanner Module - Manual (Page 50)

Publication 1747-UM010B-EN-P - September 2003
3-8 Installation and Wiring
resistor depends on the baud rate and extended node capability, as
shown in the table on A-2.
Figure 3.2 RIO System
DH+ Network Wiring
The 1747-BSN module acts as a smart switch, selectively allowing both
processors to be addressed on the DH+ network at node addresses
n (primary) and n+1 (secondary), where n is the DH+ node address
used in the control program.
Figure 3.3 DH+ System
IMPORTANT
To use extended node, all devices on the RIO link
must support it. Refer to each device’s user manual.
Processor
Processor
1747-BSN
1747-BSN
1747-ASB 1747-ASB
RIO
RIO
RIO/DH+ (Line 1) to Link
RIO/DH+ (Shield) to Link
RIO/DH+ (Line 2) to Link
Terminal Block Wiring
Processor
Processor
1747-BSN
1747-BSN
DH+
RIO/DH+ (Line 1) to Link
RIO/DH+ (Shield) to Link
RIO/DH+ (Line 2) to Link
DH+ (Line 1) to CPU
DH+ (Shield) to CPU
DH+ (Line 2) to CPU
Terminal Block Wiring