Omron NT31 NT31C manual Series C200HX/HG/HE-ZE and CQM1H, NT Link 1N Function Communication board

Connecting to the Host’s RS-422A/485 Port	Section 5-2
Terminator (TERM):	Set to ON for termination ON.
	Serial Communications Board
	(Inner Board slot 1)

Terminator Switch (TERM)

Set to ON (right side).

Wire Selection Switch (WIRE)

Set to 4 (right side).

Using the NT Link (1:N) Method

Compatible Host Units

The OMRON PCs that can be connected using the RS-422A/485 type NT link (1:N) method are the CS1G/H, C200HX/HG/HE(-Z)E, and CQM1H models only. A Serial Communications Board or a communications board must be installed to make the connection.

Check the model and series of the PC against the type of CPU or communica- tions board before making the connections.

The host units that can be connected to the RS-232C port of the NT31/NT31C by the RS-422A type NT link (1:N) function via a convertor are indicated in the table below.

PC	CPUs with Built-in	CPU that becomes
	RS-422A type	connectable by installing a	Model Name
Series
	NT Link (1:N) Function	communication board
		CS1G-CPU42/43/44/45-E(V1)
CS1	---	(*1)	CS1G
series		CS1H-CPU63/64/65/66/	CS1H
		67-E(V1)(*1)
	---	C200HE-CPU32-(Z)E(*2)	C200HE
		C200HE-CPU42-(Z)E(*2)	(-Z)E
		C200HG-CPU33-(Z)E(*2)
	---	C200HG-CPU43-(Z)E(*2)	C200HG (-Z)E
		C200HG-CPU53-(Z)E(*2)
		C200HG-CPU63-(Z)E(*2)
C series		C200HX-CPU34-(Z)E(*2)
		C200HX-CPU44-(Z)E(*2)
	---	C200HX-CPU54-(Z)E(*2)	C200HX
		C200HX-CPU64-(Z)E(*2)	(-Z)E
		C200HX-CPU65-ZE(*2)
		C200HX-CPU85-ZE(*2)
	---	CQM1H-CPU51/61(*3)	CQM1H

*1 The serial CS1W-SCB41-E communication board is required.

*1 A C200HW-COM03-V1 or C200-COM06-V1 communication board is required. *1 A CQM1H-SCB41 Serial Communication Board is required.

Settings at the Host

C-series C200HX/HG/HE(-Z)E and CQM1H

PC Setup Area Settings

Write the communication conditions directly into the PC Setup area (data memory) using a Programming Device (e.g. CX-Programmer).

Make the setting indicated in the word shown below.

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