Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 555

I/O Interface
Section 10A
10A-32
Table 10A.U lists the connectors used to make the fiber optic connections
to the I/O ring. Each module connected to the system I/O ring has an
optical transmitter and receiver. Fiber optic cables connect transmitters to
receivers to form the I/O ring. Refer to Appendix A for additional
information on fiber optic cables and connectors.
Table 10A.U
Digital I/O Fiber Optic Connectors
Connector on Digital I/O
Connected To
Remark
OP21 (RED)
Receiver on next module in I/O ring
Output
OP22 (BLacK)
Transmitter on previous module in I/O ring
Input
Different types of I/O devices can have the same node address, but devices
of the same type must each have a unique node address. Each digital I/O is
assigned a unique node address in the I/O assignment file of ODS. This
address corresponds to a switch setting on the device itself.
Figure 10A.25 shows the location of the node address switch assembly on
the digital I/O.
Figure 10A.25
Digital I/O Switch Assembly Location
6
O
N
5
4
3
2
1
11330-I
Set the switch assembly to correspond to the node address as shown in
Table 10A.V.
10A.3.3
Digital I/O Fiber Optic
Connections
10A.3.4
Digital I/O Node Address
Setting
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