Devicenet Unit Startup Procedure - Omron CJ1W-DRM21 Operation Manual

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DeviceNet Unit Startup Procedure

The basic operating procedures for DeviceNet Unit are described here.
Use Sysmac Studio to create programs and to set the Unit.
Use the CX-Integrator to set the network configuration.
For details on operations of Sysmac Studio, refer to the Sysmac Studio Version 1 Operation Manual
(Cat. No. W504).
For details on operations of CX-Integrator, refer to CX-Integrator Ver.2.
No. W464).
Step 1: Create POU and global variables
Create unit configuration
Step 2: Create Initialization Data of
the Unit
Step 3: Set up the DeviceNet Unit
Unit number [UNIT No.]
Node address [NODE ADR]
Operation settings for baud rate/
communication errors [DIP switch]
Step 4: Set up Slaves
Node address, baud rate, etc.
Step 5: Mount and wire to the Rack
Wire the slaves
Step 6: Turn ON the power to the
Controller.
Step 7: Transfer the user programs
Step 8: Set up a network configuration
Step 9: Main operation
Precautions for Correct Use Precautions for Correct Use
A slave may not go online if the communications power supply is turned ON after the slave is
turned ON.
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
1 Features and System Configuration
Create and register global variables and each POU.
Register variables including variables for accessing the slave area and
for message communications data.
Create algorithm of each POU and register local variables of each POU.
Register the Unit in the Unit Configuration on the CPU/Expansion Racks
screen in Configuration and Setup.
At this time, set both the device name and the unit number of the unit to be
registered.
Allocate device variables for CJ-series Unit to I/O port.
Allocate on the I/O Map View window.
You can use one of the following three methods to allocate.
1. Select and allocate existing variables.
2. Input a new variable name.
3. Automatically create with "Device variable creation".
Create the Unit settings by using the [Edit Special Unit Settings].
(When the program is transferred, items set here will be reflected
in the device variable for CJ-series Unit.)
Set the hardware switch on the front panel.
Set the same unit number as in the Unit Configuration settings.
Initial settings for slaves
Set by referring to the Manual for Slaves.
Reflect the settings for the switches on the front panel of the Unit, in the Unit.
Switch ON the power in the sequence: Communications power → slave power
→ Controller power, or switch all three ON at the same time.
Transfer user programs, Unit Configuration and Setup, and variable
information.
Set when you use a unit as a master or a slave.
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