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MELSEC-Q
11 HIGH PERFORMANCE MODEL QCPU PROCESSING TIME
(4) GX Developer Monitoring
GX Developer monitoring requires additional processing time. Add the GX
Developer monitoring time to the total processing time.
(a) The table below shows the processing time required when 64 data register
points are assigned by the registered monitor.
CPU Type Processing Time
Q02CPU 0.10 ms
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 0.06 ms
(b) The table below shows the processing time required when monitoring
conditions are specified.
Processing Time
CPU Type
When steps are
in match
When devices
are in match
Q02CPU 0.05 ms 0.01 ms
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 0.03 ms 0.01 ms
(5) Local devices
Local devices require additional processing time. Add the processing time of local
devices to the total processing time.
CPU Type Processing Time
Q02CPU 0.94+0.40 n ms
Standard RAM
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 0.39+0.17
n ms
Q02CPU 0.94+1.38 n ms
SRAM Card
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 0.39+0.95
n ms
Conditions Local devices: 1k points, n: number of program files
(6) Execution of multiple programs
Execution of multiple programs requires overhead time of each program being
executed. Add overhead time to the total processing time.
CPU Type Processing Time
Q02CPU 0.08 n ms
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 0.03 n ms
Conditions n: Number of program files
(7) Installation/Removal of a memory card
Installation/removal of a memory card requires additional processing time. If a
memory card is installed or removed, add 1-scan time to the total processing
time.
Processing Time
CPU Type
Memory Card
Inserted
Memory Card
Removed
Q02CPU 0.16 ms 0.10 ms
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 0.08 ms 0.04 ms
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