Manuals > Device Connection Guide > Sharp > Connection Procedure (RS-232C) > New Satellite JW Series

overview

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

Model used

item	Model etc.
PLC	JW-22CU
Communication Unit	CPU Built-in port

Configuration environment

item	environment
OS	Windows7 Professional 64Bit
tool	JW300SP V3.8

Configuration details

item	setting	Setting items	Configuration Example
PLC side settings	Set with tools	Transmission speed	19200bps
		Parity Check	Even
		Stop bits	1bits
PC settings	Unit Settings	COMPort	Communication port number to connect to
		Transmission speed	19200bps
		Byte Size	7bits
		Stop bits	1bits
		parity	Even
	Folder and communication test settings	Area code	01

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

PLC side settings

Set up "JW-22CU". Settings are done with JW300SP etc.

1.Start JW300SP and create a new project.

2.Open "Communication Settings" from the menu, configure the communication settings, and confirm that communication with the PLC is possible.

3.Select "System" from the tree, open the settings screen, and perform the following settings.
The port used for communication will be port 2, so the settings will be made for port 2.
c_plc_0403

setting	Setting contents
Transfer speed	19200
parity	Even
Stop bits	1bits
Area code	1

When using older tools with Ver, you may need to set the settings directly in system memory #236 (communication settings) and #237 (station number). For details on the settings, please refer to the user manual for each CPU.

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_0404

3.Open the properties of the added unit (U01) and click Communication Settings.
c_plc_0405

4.Set "Communication Settings" as follows:
c_plc_0406

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_0407

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_0408

Minimum communication interval

Among the JW series PLCs, there are some models that require a certain amount of time to pass after the PC receives a command from the PLC before it can send a command to PLC. If you are using a model with this restriction and you are experiencing intermittent timeout errors, try increasing the [Minimum communication interval] setting in 5 ms increments.

The [Minimum communication interval] setting can be changed in the dialog that appears by clicking the "Other detailed settings" button on the "Communication details" tab in the "Communication settings" dialog.

7.Perform a connection test to check the connection
In this connection example, the node number is 01, so the first parameter of the network setting parameters is set to "01".
c_plc_0409

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

Connection example [JW series]

Connection example [JW series]