Reduction Of Link Refresh Time - Mitsubishi Electric MELSEC iQ-R C R12CCPU-V User Manual

Reduction of link refresh time

The link refresh time can be shortened by reducing refresh points to a C Controller module by the settings for "Refresh
Setting"/"Network Range Assignment" ("Network Configuration Settings") and with direct access of link devices.
How to reduce refresh points
■Reducing refresh points using parameters
In "Refresh Setting", set only the necessary range to be refreshed. The refresh of only necessary range can reduce the link
refresh time.
C Controller module
Set the range for which
refresh is required.
(Refresh Setting)
■Reducing refresh points using direct access/buffer memory access
Excluding the rarely used link devices on own station from the link refresh range and using direct access or buffer access
instead can reduce the link refresh time.
Network Range Assignment
(Network Configuration Settings)
Device
for Network module
Link refresh
Station No.1
Link refresh
Station No.2
Link refresh
Station No.3
Range set with "Network
Range Assignment" ("Network
Configuration Settings")
5 ACCESS FUNCTION USING NETWORK MODULE
103
5.5 Processing Time
5