21
Precautions when Reusing Programs from Earlier Models Section 2-4
mat can be selected with the 1:N format/1:1 format setting in the allocated DM
Area settings.)
Note The following diagrams show the differences in the command and response
frames with the 1:N Host Link format and 1:1 Host Link format.
Host link
format
Usage Applicable PLC models Remarks
1:N format With this Host Link
format, the connec-
tion configuration
(host: PLC) can be
either 1:1 or 1:N.
Earlier versions of
these Boards/Units
supported only the
1:N format.
C Series
SRM1 built-in ports
CPM1 built-in ports
CPM1A built-in ports
CQM1-CPU
@@ built-in ports
C200HS-CPU
@@ built-in ports
C200HX/HG/HE-CPU@@ built-in ports
C200HW-COM
@@ Communications
Board ports
CS/CJ Series
CJ2H-CPU
@@(-EIP) built-in ports
CS1G/H-CPU
@@H built-in ports
CS1G/H-CPU
@@-EV1 built-in ports
CS1D-CPU
@@H built-in ports
CJ1G/H-CPU
@@H built-in ports
CJ1G-CPU@@ built-in ports
CJ1M-CPU@@ built-in ports
Only the 1:N Host Link format is sup-
ported by the built-in ports on CPU
Units of CS/CJ, C200HS, C200HX/HG/
HE, CPM
@, and CQM1@ PLCs as well
as the ports on Host Link Units and
Serial Communications Boards.
Earlier versions (unit version: Pre-Ver. 1.2)
CS1W-SCB21-V1/41-V1 Serial Communi-
cations Board ports
CS1W-SCU21-V1 Serial Communications
Unit ports
CJ1W-SCU21/41 Serial Communications
Unit ports
Earlier versions of the Serial Communi-
cations Boards/Units support only the
1:N Host Link format.
CVM1/CV Series
CVM1-CPU
@@ built-in ports
CV-CPU
@@ built-in ports
CV500-LK201 Host Link Unit
Only the 1:N Host Link format is sup-
ported by the built-in ports on CPU
Units of CVM1/CV Series PLCs as well
as the ports on Host Link Units and
Serial Communications Units/Boards.
C Series
C500-LK103/LK203 Host Link Units
3G2A5-LK101/LK201 Host Link Units
3G2A6-LK101/LK201/LK202 Host Link
Units
Either the 1:N Host Link or 1:1 Host
Link format can be selected with these
C-series Host Link Units.
C Series
C200H-LK101/LK201/LK202 Host Link
Units
1:1 format With this Host Link
format, the connec-
tion configuration
(host: PLC) can be
1:1 only.
C Series
C500-LK103/LK203 Host Link Units
3G2A5-LK101/LK201 Host Link Units
3G2A6-LK101/LK201/LK202 Host Link
Units
Either the 1:N Host Link or 1:1 Host
Link format can be selected with these
C-series Host Link Units.
C Series
C200H-LK101/LK201/LK202 Host Link
Units