11
- 19
11.1 Scan Time
11.1.3 Factors that increase the scan time
11
CPU MODULE PROCESSING TIME
11.1.3 Factors that increase the scan time
When the following functions or operations are performed, this will increase the scan time
of the CPU module.
When executing any of them, make sure to allow for the processing time (the value given
in this section to the value calculated in Section 11.1.2).
(1) Sampling trace
Note9
When sampling trace (
Section 6.14) is executed, the following processing time
shown in Table11.19 will be required.
Note10
Note9
Table11.19 Processing time taken when 50 points of internal relays (bit devices) and 50 points of data
registers (word devices) are set as sampling trace data
CPU module
Processing time
Standard RAM
Q02CPU
0.16ms
Q02HCPU, Q06HCPU,
Q12HCPU, Q25HCPU,
Q02PHCPU, Q06PHCPU,
Q12PHCPU, Q25PHCPU,
Q12PRHCPU, Q25PRHCPU
0.06ms
Q02UCPU
0.15ms
Q03UDCPU, Q03UDECPU
0.07ms
Q04UDHCPU, Q06UDHCPU,
Q13UDHCPU, Q26UDHCPU,
Q04UDEHCPU, Q06UDEHCPU,
Q13UDEHCPU, Q26UDEHCPU
0.06ms
SRAM card
Q02CPU
0.24ms
Q02HCPU, Q06HCPU,
Q12HCPU, Q25HCPU,
Q02PHCPU, Q06PHCPU,
Q12PHCPU, Q25PHCPU,
Q12PRHCPU, Q25PRHCPU
0.12ms
Q02UCPU
0.16ms
Q03UDCPU, Q03UDECPU
0.08ms
Q04UDHCPU, Q06UDHCPU,
Q13UDHCPU, Q26UDHCPU,
Q04UDEHCPU, Q06UDEHCPU,
Q13UDEHCPU, Q26UDEHCPU
0.06ms
Note10
Basic
Note11.9
Since the Basic model QCPU cannot use sampling trace, it is not necessary to be conscious of
the sampling trace processing time.
Basic
