Mitsubishi Electric Q12DCCPU-V - Decrease the Refresh Points; Modify the User Program; Link Device Refresh Cycle Setting

5
ACCESS VIA NETWORK MODULES
5.3 MELSECNET/H Module Access Function
5.3.4 Link device refresh setting
5 - 27
1
OVERVIEW
2
SYSTEM CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
ACCESS VIA NETWORK MODULES
6
PREPARATORY PROCEDURES AND SETTING
7
I/O NUMBER ASSIGNMENT
8
MEMORIES AND FILES
[Action 2: Decrease the refresh points.]
Check the refresh parameters and decrease the number of refresh points to
reduce the total link device refresh time. ( Page 5-35, Section 5.3.5 (3))
[Action 3: Modify the user program.]
Modify the task configuration, priority, processing details of the user program
so that the C Controller system specifications and user program processing
performance can be satisfied.
(c) Link device refresh cycle setting
Set a link device refresh cycle in "Link device refresh cycle" in the <<Parameter
settings>> tab.
Figure 5.24 Corrective action 2
Figure 5.25 Link device refresh cycle setting
Total link device refresh time
Link device
refresh cycle
C Controller
module processing
<Before taking
action>
<After taking
action>
Total link device
refresh time
reduced
Link device refresh cycle setting