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4-8
2. Set the initial settings for the Slaves:
Node address (DIP switch)
Baud rate (DIP switch)
Etc.
3. Mount the Master Unit and wire the Network.
For CV-series PCs, Master Units are treated as CPU Bus Units and can be mounted to the CPU
Rack or Expansion CPU Rack. Only one Master Unit can be mounted if a Configurator is not used,
but up to 16 Master Units can be mounted if a Configurator is used.
For C200HX/HG/HE PCs, Masters are treated as Special I/O Units and can be mounted to the CPU
Rack or Expansion I/O Rack. Only one Master Unit can be mounted if a Configurator is not used, but
up to 10 or 16 Master Units can be mounted if a Configurator is used.
For C200HS PCs, Masters are treated as Special I/O Units and can be mounted to the CPU Rack or
Expansion I/O Rack. Only one Master Unit can mounted if a Configurator is not used, but up to 10 or
16 Master Units can be mounted if a Configurator is used.
4. Connect a Programming Device to the PC and turn ON the power supply to the PC.
5. Generate the I/O table.
6. Turn ON the power supply to the Slaves and turn ON the communications power supply.
7. Switch the PC to PROGRAM mode.
8. Perform the following and go to step 11. if the scan list was disabled at startup.
a) Confirm that communications are possible with the registered slaves by monitoring the Regis-
tered Slave Data Area.
b) From a Programming Device connected to the PC, turn ON the Scan List Enable Bit in the soft-
ware switches (bit 0).
Remote I/O communications will start with the scan list enabled. The software switches can be used
to start and stop remote I/O communications.
9. Perform the following from the Programming Device connected to the PC and go to step 11. if the
scan list was enabled at startup and you want to re-register the scan list.
a) Turn ON the Scan List Clear Bit in the software switches (bit 1).
b) Confirm that communications are possible with the registered slaves by monitoring the Regis-
tered Slave Data Area.
c) Turn ON the Scan List Enable Bit in the software switches (bit 0).
Remote I/O communications will start with the scan list enabled. The software switches can be used
to start and stop remote I/O communications.
10. Do nothing if the scan list was enabled at startup and the scan list does not need to be changed.
Remote I/O communications will start with the scan list enabled. The software switches can be used
to start and stop remote I/O communications. Go to step 11.
11. Confirm that the MS and NS indicators on all Master Units and Slaves are lit.
12. Switch the PC to RUN mode.
CompoBus/D System Startup Chapter 4