Mitsubishi Q02CPU

10
CPU MODULE PROCESSING TIME
10.1 Scan Time
10.1.3 Factors that increase the scan time
10
- 15
9
Device Explanation
10
CPU Module Processing Time
11
Procedure for Writing Program to CPU Module
AppendicesIndex
(6) Execution of online program change
When online program change is executed, the following processing time is required.
(a) Online program change executed in ladder mode
When steps for online program change are re-set during execution of online
program change, the scan time increases by the value indicated in Table10.23.
(b) Online batch file change
When the ATA card is used, the scan time increases 1.25s at 30k steps.
Table10.23 Time increased when steps for online program change are re-set
CPU module model name
Allocate memory for online program change
No change Re-setting
Q00JCPU Max. 2.1ms Max. 30ms
Q00CPU Max. 1.7ms Max. 26ms
Q01CPU Max. 1.7ms Max. 36ms
Q02CPU Max. 2ms Max. 30ms
Q02HCPU, Q06HCPU, Q12HCPU,
Q25HCPU, Q12PHCPU, Q25PHCPU,
Q12PRHCPU, Q25PRHCPU
Max. 1ms Max. 90ms
Table10.24 Time increased when online batch file change is executed
CPU module model name
When continuous
free area is
secured in
program memory
When free area is
secured in
program memory
When free area is
secured in
memory card
(except ATA card)
Q02CPU Max. 80ms Max. 80ms Max. 120ms
Q02HCPU, Q06HCPU, Q12HCPU,
Q25HCPU, Q12PHCPU, Q25PHCPU,
Q12PRHCPU, Q25PRHCPU
Max. 300ms Max. 300ms Max. 570ms