Mitsubishi QJ71DN91 User Manual page 24

Devicenet master-slave module programmable logic controller
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3 SPECIFICATIONS
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(d) Cyclic
As shown in the following diagram, the communication method that
regularly repeats the communication of [1] and [2] is the cyclic
communication, and the connection that uses this communication is the
cyclic connection.
1) The data of the master node is sent to the slave node.
2) The data of the slave node is sent to the master node.
The cycle of the cyclic communication can be specified for each slave
node.
Specify the cycle of the cyclic communication in the following parameter
items:
Transmission cycle from master node: Production inhibit time
Transmission cycle from slave node: Expected packet rate
There is no concept of the network scan in the cyclic communication.
Master node
1)
Slave node
2)
MELSEC-Q
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