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Appendix1 OPERATION PROCESSING TIME
Appendix 1.3
Operation Processing Time of High Performance Model QCPU/Process CPU/Redundant CPU
*1 : The upper row indicates the processing time when A38B/A1S38B and the extension base are used.
The center row indicates the processing time when A38HB/A1S38HB is used.
The bottom row indicates the processing times taken when the Q312B is used to execute the instruction for
the QJ71C24 in slot 0.
The FROM/TO instruction differs in processing time according to the number of slots and the loaded
modules.
(The QnCPU/QnHCPU also differs in processing time according to the extension base type.)
Instruction Condition (Device)
Processing Time (µs)
Qn QnH QnPH QnPRH
COM
––
55 16 16 16
IX
––
12 5.2 5.2 5.2
IXEND
––
4.7 2.0 2.0 2.0
IXDEV + IXSET
Number of contacts 1 48 21 21 21
Number of contacts 14 93 40 40 40
FIFW
FIFWP
Number of data points 0 11 4.5 4.5 4.5
Number of data points 96 11 4.5 4.5 4.5
FIFR
FIFRP
Number of data points 1 13 5.6 5.6 5.6
Number of data points 96 32 14 14 14
FPOP
FPOPP
Number of data points 1 16 7.0 7.0 7.0
Number of data points 96 16 7.0 7.0 7.0
FINS
FINSP
Number of data points 0 20 8.4 8.4 8.4
Number of data points 96 36 15 15 15
FDEL
FDELP
Number of data points 1 19 7.5 7.5 7.5
Number of data points 96 39 15 15 15
FROM n1 n2 n3
FROMP n1 n2 n3
*1
n3 = 1
–– –– –– ––
–– –– –– ––
47 22 22 22
n3 = 1000
–– –– –– ––
–– –– –– ––
476 437 437 437
DFRO n1 n2 n3
DFROP n1 n2 n3
*1
n3 = 1
–– –– –– ––
–– –– –– ––
51 24 24 24
n3 = 500
–– –– –– ––
–– –– –– ––
478 437 437 437
TO n1 n2 n3
TOP n1 n2 n3
*1
n3 = 1
–– –– –– ––
–– –– –– ––
48 20 20 20
n3 = 1000
–– –– –– ––
–– –– –– ––
479 412 412 412
DTO n1 n2 n3
DTOP n1 n2 n3
*1
n3 = 1
–– –– –– ––
–– –– –– ––
50 23 23 23
n3 = 500
–– –– –– ––
–– –– –– ––
457 416 416 416
PR
SM701ON
Variable 1 character 33 11 11
––
Variable 32 character 48 18 18
––
SM701OFF 21 7.8 7.8
––
PRC
––
181 16 16
––
LED
When displayed
–– –– –– ––
Display completed
–– –– –– ––
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