Mitsubishi Electric QJ71DN91 User Manual page 14

Term Definition
Used to specify a method for communicating I/O data between a master and slave nodes.
When the QJ71DN91 is used as a master node, one of the following connection types can
be selected for each slave node.
• Polling
Connection type • Bit strobe
• Change of state
• Cyclic
When the QJ71DN91 is used as a slave node, the polling method is applied to I/O
communications.
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