SECTION 4

Remote I/O Master Communications

This section describes the remote I/O communications performed as a DeviceNet master by the Devicenet Unit.

4-1

Master Remote I/O Communications

92

 

4-1-1

Allocations

92

 

4-1-2 Remote I/O Master Specifications

95

 

4-1-3 Precautions on the Number of Master Units

96

 

4-1-4 Procedure for Using Remote I/O Master

97

4-2

Scan List

99

4-3

Fixed Allocations

101

 

4-3-1

Allocated Words

101

 

4-3-2

Procedure

102

 

4-3-3

Changing System Components

105

 

4-3-4

Fixed Allocations Example

105

4-4

User-set Allocations

107

4-5 Starting and Stopping Remote I/O Communications

116

 

4-5-1

Starting Remote I/O Communications

116

 

4-5-2 Stopping Remote I/O Communications

116

 

4-5-3 Restarting Remote I/O Communications

116

4-6 Example of Ladder Programming for Remote I/O Communications

116

4-7 Errors that May Occur in Remote I/O Communications

118

91

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Omron CS1W-DRM21, CJ1W-DRM21 operation manual Remote I/O Master Communications