4-1SectionConnecting to the RS-232C Port at the Host
46
PC Setup Settings
When connecting to a C200HS, C200HX/HG/HE(-Z)E, CPM1, CPM2A,
CPM2C,
CQM1, or CQM1H CPU Unit, or SRM1, set the following communica
-
tion conditions for the PC Setup.
Item Setting at Host
Communication mode Host Link mode
Baud rate Set the same speed as set at the NT21
(*1)
Stop bits 2 stop bits
Parity Even
Data length ASCII 7 bits
Unit # 00
*1 Set the Host Link baud rate at 9,600 bps or 19,200 bps with the memory
switch at the NT21. For details, refer to Settings the Host Link Method
(page127).
Set the PC Setup settings directly from a Programming Device (e.g., the CX-
Programmer Support Software).
For
details on operations relating to the PC Setup, refer to
the manual for the PC
which is used.
The
PC Setup area word addresses and settings to be made
depending on the
Unit and port to which the connection is made are shown below.
CPM2A, CPM2C, CQM1H, or SRM1: Peripheral port connection
Word Writing Value Settings
DM6650 0001 Host Link mode, no CTS control
Communication conditions set by the contents of DM
DM6651 0303 Data length 7 bits, 2 stop bits, even parity
, baud rate:
9,600 bps
0304 Data length 7 bits, 2 stop bits, even parity
, baud rate:
19,200 bps
DM6653 0000 Unit # 00
C200HS,
C200HX/HG/HE(-Z)E, CPM2A, CPM2C, CQM1, CQM1H (other than
the
CPU1
1), or SRM1: Built-in RS-232C port connection
Word Writing Value Settings
DM6645 0001 Host Link mode, no CTS control
Communication conditions set by the contents of DM
DM6646 0303 Data length 7 bits, 2 stop bits, even parity
, baud rate:
9,600 bps
0304 Data length 7 bits, 2 stop bits, even parity
, baud rate:
19,200 bps
DM6648 0000 Unit # 00
C200HX/HG/HE(-Z)E: Serial Communications Board port A
CQM1H: Serial Communications Board port 1
Word Writing Value Settings
DM6555 0001 Host Link mode, no CTS control
Communication conditions set by the contents of DM
DM6556 0303 Data length 7 bits, 2 stop bits, even parity
, baud rate:
9,600 bps
0304 Data length 7 bits, 2 stop bits, even parity
, baud rate:
19,200 bps
DM6558 0000 Unit # 00
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