Rockwell Automation 9323-PA1E USER MANUAL APS 6.0 User Manual
Page 245
Using WHO
12–11
3.
Apply power to the processor connected to link coupler C. Restore (download)
the appropriate processor file to the processor. Now, assign node address 2 to
this processor file using the Who Active function. Address 2 takes effect when
you cycle power to the processor.
4.
Apply power to the processor connected to link coupler B. Restore (download)
the appropriate processor file to the processor.
5.
Assign the maximum node addresses. For this network, the maximum node
address is set to 4.
APS Terminal
Address 0
(Node 0)
DHĆ485 Data Link
A
B
C
D
1747ĆAIC
24 VDC
Power
Supply
SLC 5/01
Processor
Address 1
(Node 1)
SLC 5/02
Processor
Address 2
(Node 2)
SLC 5/03
Processor
Address 3
(Node 3)
1747ĆNP1
1785ĆKA5
DH+ to DHĆ485
Gateway Module
DH+ Data Link
(Node 4 on DHĆ485)
1784ĆPIC
IBMĆPC AT or
compatible, equipped
with 1784ĆKT, 1784ĆKL,
1784ĆKTX, 1784ĆPCMK /
DH+ PC Interface
You can protect the assigned node address and baud rate of a processor file against
inadvertent changes by using ladder logic as described for Word S:15 (Node
Address, Baud Rate) in the Instruction Set Reference Manual.
Tip
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