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Functions Added in the Unit Version 1.3 Upgrade 8
8 Functions Added in the Unit Version 1.3 Upgrade
Functions Added in Version Upgrade
The following table provides a comparison between the functions provided in
the upgrade to unit version 1.3 or later of CS1W-SCB@@-V1 Serial Communi-
cations Boards and CS1W-SCU@@-V1, CJ1W-SCU@@-V1 Serial Communi-
cations Units, and the functionality of earlier versions.
9 Functions Added in the Unit Version 1.2 Upgrade
Upgraded Models
The model numbers of CS-series Serial Communications Units/Boards have
not changed. A “-V1” suffix has been added to the model numbers of CJ-
series Serial Communications Units with the unit version 1.2 upgrade, as
shown in the following table.
Item Previous unit versions Unit version 1.3 and later
Serial communica-
tions mode
Modbus-RTU slave mode Not supported Supported
PLC Product Specifications Model Model number
after upgrade to
unit version 1.2
CS
Series
Serial Com-
munications
Boards
RS-232C
× 1,
RS-232C × 1
CS1W-SCB21-V1 → Same
RS-232C
× 1,
RS-422A/485
×
1
CS1W-SCB41-V1 → Same
Serial Com-
munications
Units
RS-232C
× 1,
RS-232C × 1
CS1W-SCU21-V1 → Same
CJ
Series
Serial Com-
munications
Units
RS-232C × 1,
RS-232C × 1
CJ1W-SCU21 → CJ1W-SCU21-V1
RS-232C
× 1,
RS-422A/485
×
1
CJ1W-SCU41 → CJ1W-SCU41-V1