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6 Message Communications
6-4
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
6-1-3
Message Communications Specifications
Supported CPU Unit functions
Specification
Unit model number
CJ1W-DRM21
Max. No. of communications
nodes per Unit
Explicit mes-
sages
63
Communications instructions
Explicit
DeviceNet
messages
SendCmd instruction
Sends explicit messages to DeviceNet masters/slaves made by other
manufacturers, PLCs with C200H I/O Link Units, or PLCs with CS/CJ-
series DeviceNet Units mounted to them.
Sources: destinations
1:1 (Broadcasting is not supported)
Data length (excluding command code)
SendCmd instruction: 542 bytes max.
Response monitoring time
Default setting:
2 s
User setting:
0.1 to 6553.5 s
Retries
0 to 15
Message monitor timer function (explicit
message communications)
You can set the response monitoring time for DeviceNet Units during
explicit message communications (the interval the explicit connection is
open) from the CX-Integrator for each device. (The settings for all devices
can be stored in the DeviceNet Unit. This is called the Message Monitor-
ing Timer List.)
Содержание CJ1W-DRM21
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