12 CPU Unit Cycle Time
12-10
CJ2 CPU Unit Software User’s Manual
* The following value must be added when using high-speed interrupts with CJ2H CPU Units with unit version 1.1
or later.
0.1 ms + Number of words transferred × 0.87 µs
Position Con-
trol Units with
EtherCAT Com-
munications
CJ1W-NC881
using 8 axes and 4
tasks
0.3 ms 0.5 ms ---
CJ1W-NC481
using 4 axes and 4
tasks
0.3 ms 0.4 ms
CJ1W-NC281
using 2 axes and 2
tasks
0.2 ms 0.3 ms
CJ1W-NCF81
using 16 axes and
4 tasks
0.5 ms 0.7 ms
CJ1W-NC482
using 4 axes and 4
tasks
0.3 ms 0.4 ms Remote inputs: 20 words, Remote outputs: 20
words
0.7 ms 1.0 ms Remote inputs: 640 words, Remote outputs: 640
words
CJ1W-NC882
using 8 axes and 4
tasks
0.3 ms 0.5 ms Remote inputs: 20 words, Remote outputs: 20
words
0.8 ms 1.1 ms Remote inputs: 640 words, Remote outputs: 640
words
Position Con-
trol Unit with
MECHA-
TROLINK-II
Communica-
tions
CJ1W-NCF71(-MA) According to the number of Servo
Driver axes connected to the Unit.
1 axis: 0.2 ms, 3 axes:
0.3 ms, 6 axes: 0.4 ms,
16 axes: 0.8 ms
---
Motion Control
Unit with
MECHA-
TROLINK-II
Communica-
tions
CJ1W-MCH71 0.2 + (No. of
motion tasks ×
4 + No. of axes
× 5 + No. of
words allocated
for general I/O)
× 0.001 (ms)
0.2 + (No. of
motion tasks ×
6 + No. of axes
× 1 + No. of
words allocated
for general I/O)
× 0.001 (ms)
---
SYSMAC SPU
Unit
CJ1W-SPU01-V2 0.2 ms + No. of
sampled words
× 0.8 µs
0.2 ms + No. of
sampled words
× 1.1 ms
---
Name Model
Increase
Remarks
CJ2H CJ2M