Mitsubishi MELSEC Q Series User Manual

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4.4 MELSECNET/H Module Access Function
4.4.4 Link device refresh setting
4
FUNCTIONS
4) Confirmation of total link devices refresh time
The total link devices refresh time during the C Controller system operation
can be confirmed in "Link device refresh time (Max./Min./Current)" on the
<<Module information>> tab of the MELSECNET/H utility.
( Section 9.4.2)
(b) How to determine link device refresh cycle
Determine the link device refresh cycle by the following flowchart.
Figure 4.21 Link device refresh time
* The system specifications indicate the whole system operations including the
system functions and processing specifications required for the C Controller
system and the processing, function and performance specifications of the user
programs.
Figure 4.22 Link device refresh cycle setting flowchart
Total link devices refresh time during
the C Controller system operation
Calculation of total link devices refresh time
(This section (1))
Temporary setting of link device refresh cycle
(This section (2))
Test run of C Controller system (This section (3))
C Controller system operation check
System specifications* satisfied?
(This section (4))
Determination of link device refresh cycle
Corrective action for C Controller system malfunction
(This section (5))
(Re-setting of link device refresh cycle)
YES
NO
(This section 1))
(This section 2))
(This section 4))
(This section 3))
(This section 5))

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English