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Omron CJ1W-DRM21 - Page 189

Omron CJ1W-DRM21
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6-1
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
6
This section describes explicit message communications sent from the user program in
the CPU Unit.
6-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-1 Outline of Message Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-2 Explicit Message Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6-1-3 Message Communications Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6-1-4 Message Communications Error Indications . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6-1-5 Message Monitoring Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6-1-6 Message Communications Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6-2 Sending Explicit Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6-2-1 Sending Explicit Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
6-2-2 Sending Explicit Messages Using SendCmd Instruction . . . . . . . . . . . . . . . . 6-11
6-3 Receiving Explicit Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
6-3-1 List of PLC Object Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Message Communications

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