Omron NT11 - 01-2004 User Manual page 60

Connection to a PLC by the Host Link (RS-422A Type)
PLC Setup Settings
When connecting to a C200HX/HG/HE(-Z)E or CPM1, CPM2A, CPM2C,
CQM1H CPU Units or SRM1, set the following communication conditions for
the PLC Setup.
Item
I/O port
Communication mode
Baud rate
Stop bits
Parity
Data length
Unit #
*1 Set the Host Link baud rate at 9,600 bps or 19,200 bps with the Comm.
Speed at the NT11. For details, refer to Setting the Host Link Method
(page 74).
Set the PLC Setup settings directly from a Programming Device (e.g., CX-
Programmer).
For details on operations relating to the PLC Setup, refer to the manual for the
PLC that is used.
The PLC Setup addresses and settings to be made depending on the Unit to
which the connection is made are shown below.
When using port A of the Serial Communications Board of C200HX/HG/HE(-
Z)E
Word Writing Value
DM6555 0001
DM6556 0303
0304
DM6558 0000
When using a CPM1, CPM2A, CPM2C, SRM1
Word Writing Value
DM6650 0001
DM6651 0303
0304
DM6653 0000
Setting at Host
RS-422A
Host Link mode
Set the same baud rate as for the NT11.
2 stop bits
Even
ASCII 7 bits
00
Settings
Host Link mode, no CTS control
Communication conditions set by the contents of DM
Data length 7 bits, 2 stop bits, even parity, baud rate:
9,600 bps
Data length 7 bits, 2 stop bits, even parity, baud rate:
19,200 bps
Unit # 00
Settings
Host Link mode, no CTS control
Communication conditions set by the contents of DM
Data length 7 bits, 2 stop bits, even parity, baud rate:
9,600 bps
Data length 7 bits, 2 stop bits, even parity, baud rate:
19,200 bps
Unit # 00
Section 2-5
(*1)
47