Keyence IV Series Manual do Utilizador descarregar pdf (Página 24)

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- IV Series User’s Manual (Field Network) -

Overview of the cyclic communication

What is cyclic communication?

This function enables cyclic (i.e. in xed intervals) data communications with the EtherNet/IP devices.

This function provides high-speed control with several to several tens of milliseconds.

The communication can be controlled by referencing and updating the variables in the PLC, making it easy

to control the programs on the PLC side.

Input Area



Status result



Control/status/error result



Statistics information



Tool information

Output Area



Trigger control



External master image

registration control



Program switching control



Handshake control

Output data



Status result



Control/status/error result



Statistics information



Tool information

Input data



Trigger control



External master image

registration control



Program switching control



Handshake control

RPI

(Communication

cycle)



Communication settings for the cyclic communication, such as the RPI (communication cycle) and the

data size, will be congured on the PLC side.



In a network with many connected devices (including the EtherNet/IP devices), a network delay and/

or packet loss may occur when there is a heavy load on the network. Conduct a thorough verication

before the operation.

Overview of the cyclic communication

Cyclic communication

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 109 110

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