Appendices
A-178
CJ2 CPU Unit Software User’s Manual
CX-Programmer version 8.1
*
or higher must be used to enable using the functions added for unit ver-
sion 1.1.
* CX-Programmer version 8.02 or higher is required to use the high-speed interrupt function and the function to
change the minimum cycle time setting during operation.
Note User programs that use functions of CJ2H CPU Units with unit version 1.1 or later cannot be used with CJ2H
CPU Units with unit version 1.0 or earlier. If an attempt is made to transfer a program that uses any of these
functions from the CX-Programmer to a CPU Unit with unit version 1.0, an error will be displayed and it will
not be possible to download to the CPU Unit. If a program file (extension: .OBJ) that uses any of these func-
tions is transferred to a CPU Unit with unit version 1.0, a program error will occur when operation starts or
when the function starts and operation of the CPU Unit will stop.
CX-Programmer version 9.12 or higher must be used to enable using the functions added for unit
version 2.0.
Functions Supported for Unit Version 1.1 or Later
Units CJ2H CPU Unit
Models
CJ2H-CPU6@-EIP and
CJ2H-CPU6@
Unit version
Function
Unit version 1.1 Unit version 1.0
High-speed interrupt function
Reduced overhead time for interrupt tasks
Minimum interval for scheduled interrupt task execution: 0.1 ms
Supported. Not supported.
Changing the minimum cycle time setting during operation Supported. Not supported.
Synchronous unit operation Supported. Not supported.
Addition of immediate refreshing instructions for certain Special I/O Units
CJ1W-AD042 High-speed Analog Input Unit:
ANALOG INPUT DIRECT CONVERSION (AIDC(216))
CJ1W-DA042V High-speed Analog Output Unit:
ANALOG OUTPUT DIRECT CONVERSION (AODC(217))
Supported. Not supported.
High-speed Serial Communications Units
CJ1W-SCU22/SCU32/SCU42 High-speed Serial Communications Units:
DIRECT RECEIVE VIA SERIAL COMMUNICATIONS UNIT (DRXDU(261))
and DIRECT TRANSMIT VIA SERIAL COMMUNICATIONS UNIT
(DTXDU(262)
Supported. Not supported.
A-8-2 CJ2M CPU Unit
Functions Supported for Unit Version 2.0 or Later
Unit CJ2M CPU Units
Model
CJ2M-CPU@@
Unit version
Function
Unit version 2.0 or later Unit versions earlier than 2.0
Pulse outputs Supported. Not supported.
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