User`s manual

DeviceNet (Master) Function
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8
[2] When the I/O message communication time is longer than the JW-32CUM1
(control section) cycle operation time
(1) Communication cycle: Asynchronous
(2) Communication cycle: Synchronous
Operation of the
control section
Operation of the
DeviceNet section
I/O message communication
User program/input
and output processing
User program/input
and output processing
User program/input
and output processing
User program/input
and output processing
Optional processing Optional processing
Slave stations (maximum 63 nodes)
Command
Command
Response
Waiting
time
12 63
Slave stations (maximum 63 nodes)
12
JW-32CUM1
Operation of the
control section
Operation of the
DeviceNet section
I/O message communication
Slave stations (maximum 63 nodes)
Command
Command
Response
Response
Waiting time Waiting time
Optional processing Optional processing
Optional processing
12 63
Slave stations (maximum 63 nodes)
12 63
User program/input
and output processing
User program/input
and output processing
JW-32CUM1
Note: The synchronous calculation operation is only possible with one module, including other
communication modules (JW-20DN, JW-21CM, JW-23LMH, JW-25CM). Therefore, be
careful because using multiple modules in the synchronous mode may not permit
synchronous operation.