2-1
Section
Operating Procedures Flowchart
18
2-1-3 Preparations prior to Communications
1, 2, 3...
1. Set the initial settings for the Master Unit:
Unit number (“UNIT No.” or “MACHINE No.” on front panel switch)
Node address (back panel DIP switch)
Baud rate (back panel DIP switch)
Communications continue/stop setting for communications error (front pan-
el switch)
2. Mount the Master Unit and wire the Network.
For CVM1 and 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 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 CS1-series 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 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
be mounted if a Configurator is not used, but up to 10 Master Units can be
mounted if a Configurator is used.
3. Connect a Programming Device to the PC and turn ON the power supply to
the PC.
4. Generate the I/O table.
2-1-4 Setting Up Communications
Remote I/O Communications with One Master Unit in the Network
Always operate with the scan list enabled. Refer to the DeviceNet (Compo-
Bus/D) Operation Manual (W267) for details on connecting more than one Mas-
ter Unit in a single network.
1, 2, 3...
1. Turn ON the communications power supply and then the power supply to
the Slaves (i.e., the PT).
2. Turn ON the power supply to the Master (i.e., the PC).
3. Switch the PC to PROGRAM mode.
4. If the scan list was disabled at startup, perform the following and go to step 7.
(Otherwise, proceed to step 5.)
a) Confirm that communications are possible with the registered Slaves
(i.e., the PT) by monitoring the Master’s Registered Slave Data Area.
b) From a Programming Device connected to the PC, turn ON the Scan List
Enable Bit in the Master’s software switches (bit 0).
Remote I/O communications will start with the scan list enabled. You can
use the Master’s software switches to start and stop remote I/O communica-
tions.
5. If the scan list was disabled at startup and you want to re-register it, perform
the following from a Programming Device connected to the PC and go to
step 7. (Otherwise, proceed to step 6.)
a) Turn ON the Scan List Clear Bit in the Master’s software switches (bit 1).
b) Confirm that communications are possible with the registered Slaves by
monitoring the Master’s Registered Slave Data Area.
Using Fixed I/O
Allocations
