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CJ1H-CPU@@H-R Version 4.1 Specifications Change
The following specifications changes have been made for CJ1H-CPU@@H-R
version 4.1.
The following specifications for unit version 4.2 and later are the same as the
specifications for unit version 4.0.
Functionality Changes
• If ONE-MS TIMER instructions (TMHH(540)/TMHHX(552)) with timer
numbers 0 to 15 are used in existing programs with CJ1H-CPU@@H-R
version 4.1, the timer numbers must be changed to timer numbers
between 0016 and 4095.
Performance Changes
Note 1. The timing precision of version 4.0 and version 4.1 are different. Be sure
to check the effect on the application.
2. There have been no changes in the timing precision of TEN-MS TIMER in-
structions (TIMH(015)/TIMHX(551)) and TENTH-MS TIMER instructions
(TIMU(541)/TIMUX(556)) since version 4.0. Use TEN-MS TIMER instruc-
tions and TENTH-MS TIMER instructions if accuracy is a problem when
using HUNDRED-MS TIMER instructions and ONE-MS TIMER instruc-
tions.
■ Programming Devices
Use CX-Programmer version 7.1 or higher for the CJ1-H-R CPU Units. Set
the device type to CJ1H-H and the CPU type to one of the CPU types ending
in “-R.” Use the following procedure.
1,2,3... 1. Select New from the File Menu.
2. Select CJ1H-H in the Change PLC Dialog Box.
3. Select one of the following for the CPU type: CPU67-R, CPU66-R, CPU65-
R, or CPU64-R.
Note 1. If CX-Programmer version 7.0 or lower is used, the new features of the
CJ1-H-R CPU Units will not be supported, i.e., functionality will be the
same as the CJ1-H CPU Units.
CPU Unit version CJ1-H
Ver. 4.0
CJ1-H-R
Ver. 4.0
CJ1-H-R
Ver. 4.1
Timer numbers that can be used with ONE-MS
TIMER instructions
0000 to
0015
0000 to
4095
0016 to
4095
0.01-s clock pulse Not sup-
ported
Sup-
ported
Not sup-
ported
CPU Unit version CJ1-H
Ver. 4.0
CJ1-H-R
Ver. 4.0
CJ1-H-R
Ver. 4.1
Timing precision of HUNDRED-MS TIMER
instructions (TIM/TIMX(550))
−10 to
0ms
−10 to
0ms
−100 to
0ms
Timing precision of ONE-MS TIMER instruc-
tions (TMHH(540)/TMHHX(522))
−1 to
0ms
−1 to
0ms
−10 to
0ms
Model Device type CPU type
CJ1H-CPU67H-R CJ1H-H CPU67-R
CJ1H-CPU66H-R CPU66-R
CJ1H-CPU65H-R CPU65-R
CJ1H-CPU64H-R CPU64-R
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