USER MANUAL APS 6.0

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 ef fect 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)
DH485 Data Link
A
B C D
1747AIC
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)
1747NP1
1785KA5
DH+ to DH485
Gateway Module
DH+ Data Link
(Node 4 on DH485)
1784PIC
IBMPC AT or
compatible, equipped
with 1784KT, 1784KL,
1784KTX, 1784PCMK /
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 Refer ence Manual.
Tip