11
CPU MODULE PROCESSING TIME
11.1 Scan Time
11.1.3 Factors that increase the scan time
11 - 20
9
Parameters
10
Device Explanation
11
CPU Module Processing
Time
12
Procedure for Writing
Program to CPU ModuleAppendicesIndex
(2) Use of local devices
Note11.10
Note11
When local devices are used, the following processing time shown in Table11.19 is
required.
The definition of n, N1, N2, and N3 in the following table is as follows:
• n: The number of programs using a local device
*1
• N1: The number of device types that specified a local device
• N2: The number of word device points that specifed a local device
• N3: The number of bit device points that specified a local device
* 1 : For the High performance model QCPU, Process QCPU, Redundant CPU, and the Universal
model QCPU whose serial number (first 5 digits) is "10011" or earlier, "n" indicates the number of
executing programs.
* 2 : It is the processing time when the number of local device points is 10k.
Note11
Table11.20 Local device setting
CPU module
Processing time
Standard RAM
Q02CPU
3.52 n 10
3
s
*2
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU,
Q02PHCPU, Q06PHCPU, Q12PHCPU,
Q25PHCPU, Q12PRHCPU, Q25PRHCPU
1.54 n 10
3
s
*2
Q02UCPU
((12 N1) + (0.22 (N2 + (N3 16))) + 140) n s
Q03UDCPU, Q03UDECPU
((8 N1) + (0.22 (N2 + (N3 16))) + 50) n s
Q04UDHCPU, Q06UDHCPU, Q13UDHCPU,
Q26UDHCPU, Q04UDEHCPU, Q06UDEHCPU,
Q13UDEHCPU, Q26UDEHCPU
((8 N1) + (0.10 (N2 + (N3 16))) + 50) n s
SRAM card
Q02CPU
10.73 n 10
3
s
*2
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU,
Q02PHCPU, Q06PHCPU, Q12PHCPU,
Q25PHCPU, Q12PRHCPU, Q25PRHCPU
8.16 n 10
3
s
*2
Q02UCPU
((16 N1) + (0.43 (N2 + (N3 16))) + 160) n s
Q03UDCPU, Q03UDECPU
((12 N1) + (0.43 (N2 + (N3 16))) + 60) n s
Q04UDHCPU, Q06UDHCPU, Q13UDHCPU,
Q26UDHCPU, Q04UDEHCPU, Q06UDEHCPU,
Q13UDEHCPU, Q26UDEHCPU
((12 N1) + (0.40 (N2 + (N3 16))) + 60) n s
Basic
Note11.10
Since the Basic model QCPU cannot use local devices, it is not necessary to be conscious of the
processing time described on this page.
Basic
Note11.10
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