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PLC Setup Area Settings
When connecting to a C200HX/HG/HE(-Z)E or CPM1, CPM2A, CPM2C, CQM1H CPU Units
or SRM1, set the following communications conditions for the PLC Setup area.
Item
Setting at Host
I/O port
RS-422A
Communications mode
Host link mode
Communications speed
Set the same baud rate as set at the NS-series PT (See note.)
Stop bit
2 stop bits
Parity Even
Data length
ASCII 7 bits
Unit #
00
Note: Set the Host Link communications speed (baud rate) to 9600 bps or 19200 bps with
the Communications Setting menu item in the CX-Designer and the System Menu for
the NS-series PT. For details, refer to
1-4 Settings for Host Link
.
Set the PLC Setup area settings directly from a Programming Device (e.g. CX-Programmer).
For details on operations relating to the PLC Setup area, refer to the manual for the PLC
which is used.
The PLC Setup area word numbers and settings to be made depending on the unit to which
the connection is made are shown below.
When using port A of the Communications Board of C200HX/HG/HE(-Z)E
Word #
Writing Value
Settings
DM6555
0001
Host link mode, no CTS control, communications
conditions set by the contents of DM area
0303
Data length 7 bits, 2 stop bits, even parity,
communications speed: 9600 bps
DM6556
0304
Data length 7 bits, 2 stop bits, even parity,
communications speed: 19200 bps
DM6558
0000
Unit # 00
When using a CPM1, CPM2A, CPM2C, SRM1
Word #
Writing Value
Settings
DM6650
0001
Host link mode, no CTS control, communications
conditions set by the contents of DM area
0303
Data length 7 bits, 2 stop bits, even parity,
communications speed: 9600 bps
DM6651
0304
Data length 7 bits, 2 stop bits, even parity,
communications speed: 19200 bps
DM6653
0000
Unit # 00