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MELSEC-Q
APPENDIX
2) Processing time of dedicated instructions
The following table shows the operation processing time (rough
standard) of each dedicated instruction.
The operation processing time differs slightly depending on the system
configuration and communication protocol.
Processing time (unit: ms) Instruction execution condition
Q02H/Q06H/Q12H/
Q25H/Q12PH/Q25PH
CPU
Q02CPU Q00J/Q00/ Q01CPU
Instruction name
QJ71C24N
(-R2/R4)
QJ71C24
(-R2)
QJ71C24N
(-R2/R4)
QJ71C24
(-R2)
QJ71C24N
(-R2/R4)
QJ71C24
(-R2)
Transmission
speed
Transmission/receive
(registered) data count
Others
ONDEMAND 48.0 51.5 48.6 52.2 49.7 53.6 40 bytes Send in form 3
OUTPUT 23.4 24.8 23.8 25.3 25.6 26.7 40 bytes —
PRR 23.3 26.8 24.2 27.0 25.1 28.3
19200 bps
Data size: 8
Stop bit: 1
Parity: none
40 bytes
8 bytes 5 frames
—
INPUT 3.4 9.9 3.9 9.9 4.9 10.0 — 40 bytes
Execute
instruction after
40 bytes have
been received.
BIDOUT 28.6 47.0 30.5 47.1 32.6 49.6 — 40 bytes —
BIDIN 26.4 29.1 27.6 29.9 29.8 31.7 — 40 bytes —
PUTE 881.9 881.9 884.4 884.4 871.4 899.5 — 40 bytes —
GETE 1.1 1.1 1.5 1.5 3.1 3.2 — 40 bytes —
SPBUSY 0.1 0.1 0.2 0.2 0.3 0.3 — — —
CSET 1.0 1.2 1.6 1.7 3.4 3.9 — —
Transmission/
receipt buffer
setting
BUFRCVS 0.3 0.3 0.5 0.5 — — 19200 bps 40 bytes —