4-1
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
4
This section describes the remote I/O communications performed as a DeviceNet mas-
ter by the DeviceNet Unit.
4-1 Master Remote I/O Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Precautions on the Number of Master Units . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Procedure for Using Remote I/O Master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Scan List Enabled and Scan List Disabled . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
4-5 Starting and Stopping Remote I/O Communications . . . . . . . . . . . . . . . . 4-31
Starting Remote I/O Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Stopping Remote I/O Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Restarting Remote I/O Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
4-6 Example of User Program for Remote I/O Communications . . . . . . . . . . 4-32
4-7 Errors that May Occur in Remote I/O Communications . . . . . . . . . . . . . . 4-33
Remote I/O Master
Communications
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......