Omron NT31 NT31C manual Setup area, When using a CPM1, CPM2A, CPM2C, SRM1, When using a CQM1H

Connecting to the Host’s RS-422A/485 Port		Section 5-2
CQM1H CPUs or SRM1, set the following communication conditions for the PC
Setup area.
	Item	Setting at Host
	I/O port	RS-422A
	Communication mode	Host link mode
	Communications speed	Set the same speed as for the NT31/NT31C. (*1)
	Stop bit	2 stop bits
	Parity	Even
	Data length	ASCII 7 bits
	Unit #	00

*1 Set the host link communications speed at 9600 bps or 19200 bps with the Comm. Speed at the NT31/NT31C. For details, refer to Setting the Host Link Method (page 158).

Set the PC Setup area settings directly from a Programming Device (e.g. CX-

Programmer).

For details on operations relating to the PC Setup area, refer to the manual for the PC which is used.

The PC 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 communication board of C200HX/HG/HE(-Z)E

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,
		communications speed: 9600 bps
	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
		Communication conditions set by the contents of DM
DM6651	0303	Data length 7 bits, 2 stop bits, even parity,
		communications speed: 9600 bps
	0304	Data length 7 bits, 2 stop bits, even parity,
		communications speed: 19200 bps
DM6653	0000	Unit # 00

When using a CQM1H

Word #	Writing Value	Settings
DM6550	0001	Host link mode, no CTS control
		Communication conditions set by the contents of DM
DM6551	0303	Data length 7 bits, 2 stop bits, even parity,
		communications speed: 9600 bps
	0304	Data length 7 bits, 2 stop bits, even parity,
		communications speed: 19200 bps
DM6553	0000	Unit # 00

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