1334
CJ-series Instruction Execution Times and Number of Steps Section 4-2
4-2-16 Data Control Instructions
Note 1. When a double-length operand is used, add 1 to the value shown in the
length column in the following table.
2. Supported only by CPU Units Ver. 2.0 or later.
Instruction Mne-
monic
Code Length
(steps)
(See
note.)
ON execution time (µs) Conditions
CPU6@
H-R
CPU6@
H
CPU4@
H
CPU4@ CJ1M
exclud-
ing
CPU11
/21
CJ1M
CPU11
/21
PID CON-
TROL
PID 190 4 436.2 436.2 678.2 678.2 612.0 552.6 Initial execution
332.3 332.3 474.9 474.9 609.3 548.0 Sampling
97.3 97.3 141.3 141.3 175.3 162.0 Not sampling
LIMIT CON-
TROL
LMT 680 4 16.1 16.1 22.1 22.1 27.1 26.1 ---
DEAD BAND
CONTROL
BAND 681 4 17.0 17.0 22.5 22.5 27.4 26.6 ---
DEAD ZONE
CONTROL
ZONE 682 4 15.4 15.4 20.5 20.5 28.0 26.4 ---
TIME-PRO-
PORTIONAL
OUTPUT
(See note 2.)
TPO 685 4 10.6 10.6 14.8 --- 20.2 19.8 OFF execution
time
54.5 54.5 82.0 --- 92.7 85.1 ON execution
time with duty
designation or
displayed output
limit
61.0 61.0 91.9 --- 102.5 95.3 ON execution
time with manip-
ulated variable
designation and
output limit
enabled
SCALING SCL 194 4 13.9 13.9 14.3 56.8 25.0 32.8 ---
SCALING 2 SCL2 486 4 12.2 12.2 12.6 50.7 22.3 29.1 ---
SCALING 3 SCL3 487 4 13.7 13.7 14.2 57.7 25.6 30.0 ---
AVERAGE AVG 195 4 36.3 36.3 52.6 53.1 62.9 59.1 Average of an
operation
291.0 291.0 419.9 419.9 545.3 492.7 Average of 64
operations
PID CON-
TROL WITH
AUTOTUNING
PIDAT 191 4 446.3 446.3 712.5 --- 765.3 700.0 Initial execution
339.4 339.4 533.9 --- 620.7 558.0 Sampling
100.7 100.7 147.1 --- 180.0 166.1 Not sampling
189.2 189.2 281.6 --- 233.7 225.1 Initial execution
of autotuning
535.2 535.2 709.8 --- 575.3 558.2 Autotuning when
sampling
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