Manuals > Device Connection Guide > OMRON > Connection Procedure (RS-232C) > C/CV/CS1/CJ1/CJ2 Series (C Mode)

overview

This is a setting example for connecting to the C series via RS-232C.

Model used

item	Model etc.
PLC	C200H
Communication Unit	LK202-V1

Configuration environment

item	environment
OS	WindowsXP Professional 32Bit

Configuration details

item	setting	Setting items	Configuration Example
PLC side settings	Set with switch	Transmission speed	19200bps
		Byte Size	7bits
		Stop bits	2bits
		parity	Even
		Unit No.	Unit 0
PC settings	Unit Settings	COMPort	Communication port number to connect to
		Transmission speed	19200bps
		Byte Size	7bits
		Stop bits	2bits
		parity	Even
	Folder and communication test settings	Unit No.	Unit 0

* Most of the settings on the computer will be adjusted to match the settings on the unit.

PLC side settings

Set up the "LK202-V1". Settings are made using the front and back switches.

1.Set the front switch as follows:

switch	Setting contents
Communication Channel	Set to RS232
SW1	0
SW2	0
SW3	6
SW4	2
Back Switch	1:N side
SW24	OFF

The default settings for CPU ports and peripherals are as follows. For details, please refer to the manual for your device.

Equipment used

PLC : C200HE Peripheral Port

Cable: CQM1-CIFO2

PC settings (PLC default settings)

COM port: The communication port number to connect to PLC

Transmission speed: 9600bps

Byte size: 7 bits

Stop bits: 2 bits

Parity: Even

Unit No.: Unit 0

PC settings

Use the Server application to connect to the PLC for which you have set up communications.

1.Right-click "Application" - "Driver" in the tree and select Add Driver.

2.Select the following units from the displayed driver list and add them:
c_plc_0190

3.Open the properties of the added unit (U01) and click Communication Settings.
c_plc_0191

4.Set "Communication Settings" as follows:
c_plc_0183

setting	Setting contents
COMPort	Communication port number to connect to
Transmission speed	19200
Byte Size	7bits
Stop bits	1bits
parity	Even

5.Open "Other Settings" and make sure it is checked.
c_plc_0184

6.USB-RS-If you are using a 232C conversion cable, the COM port may be locked in the event of a communication error, so check the reopen setting.
c_plc_0192

7.Perform a connection test to check the connection
c_plc_0193

If a message such as "Connection OK" is displayed, the connection is confirmed to be OK.

Connection example [C series]

Connection example [C series]