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Slave Remote I/O Communications Section 5-1
munications, allocate areas, and then enable slave communications. The allo-
cated areas will not be valid if the procedure is done in any other order.
User-set Remote I/O Allocations Using DM Area Settings
1,2,3... 1. Turn ON the communications, slave, and PC power supplies.
Note Turn ON the communications power supply prior to turning ON the
slave power supply or the slaves may not go online.
2. Switch the CPU Unit to PROGRAM mode.
3. Turn ON the Slave Stop Switch (word n+1, bit 07) from the PC Program-
ming Device to stop slave communications.
4. Allocate areas as follows:
a) Set the Slave User Allocation Setup Table (m+8 to m+13 words) and
the Allocation Size Setup Table in the allocated DM Area words from a
Programming Device.
b) Turn ON the Slave User Allocations Switch (word n+1, bit 11) from a
Programming Device.
5. Turn ON the Slave Enable Switch (word n+1, bit 06) from a Programming
Device to enable slave communications.
6. Switch the CPU Unit to RUN mode.
Slave remote I/O communications will start up.
Note 1. Slave communications must be disabled prior to area allocation and must
be enabled after area allocation. The order of the procedure is 1) stop
slave communications, allocate areas, and then enable slave communica-
tions. The allocated areas will not be valid if the procedure is done in any
other order.
2. In fixed allocation or user-set allocations through the allocated DM Area
settings, area allocations must be set with slave communications disabled
and will be transferred to Units when slave communications are enabled.
User-set Remote I/O Allocations Using the Configurator
1,2,3... 1. Connect the Configurator to the network through a serial line or dedicated
Board/Card.
2. Turn ON the communications, slave, and PC power supplies.
Note Turn ON the communications power supply prior to turning ON the
slave power supply or the slaves may not go online.
3. Switch the CPU Unit to PROGRAM mode.
4. Perform the following steps to allocate areas, create scan lists, and down-
load the settings to the nodes.
a) Enable slave communications in CS1W-DRM21 or CJ1W-DRM21
properties using the Configurator.
b) Create the device parameters to set slave communications.
c) Save the data as a device parameter file.
Note If desired, you can also go directly online and download the device
parameter file to the DeviceNet Unit slave without saving the file.
d) Read the device parameter file, go online, and download the file to the
DeviceNet Unit slave.
5. Switch the CPU Unit to RUN mode.
Slave remote I/O communications will start up.