Manuals > Device Connection Guide > Hitachi > Connection Procedure (Ethernet) > H Series

overview

This is a setting example for connecting to the H series via Ethernet.

Model used

item	Model etc.
PLC	EH-150 (EH-CPU448A)
Communication Unit	ET-ETH

Configuration environment

item	environment
OS	Windows7 Professional 64Bit
tool	Internet Explorer 9

Configuration details

item	setting	Setting items	Configuration Example
PLC side settings	Setting via switch and web browser	IP address (temporary)	192.168.0.10
		IP address	192.168.0.100
		Subnet mask	255.255.255.0
		Timeout period	30s
		Communication Protocol	UDP
		Port number	3004
PC settings	Unit Settings	IP address	192.168.1.1
		Port number	Automatic
		Communication Protocol	UDP
		Maximum Communication Interval	30 (fixed)
	Folder and communication test settings	Loop No.	FF (default value)
	Folder and communication test settings	Unit No.	FF (default value)

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

PLC side settings

Configure the PLC side.

1.Set the front switch of "ET-ETH"
If you are using EH-ETH for the first time or do not know the configured IP address, this setting is not necessary if you know the already configured IP address from the dip switch on the front of the unit.

Here, set the IP address to "192.168.0.10" as a temporary setting.
c_plc_0382

switch	explanation	Setting contents (hexadecimal)
Switch 1	WEB Browser Settings Mode	ON
Switch 2	WEB Browser Settings Mode	OFF
Switch 3	Specify the end of the IP address in binary. (Can be specified in the range of 1 to 63)	OFF
Switch 4		OFF
Switch 5		ON
Switch 6		OFF
Switch 7		ON
Switch 8		OFF

2.WEBLaunch a browser (such as IE) and access the IP address set on the switch.
If you are not using the switch, access the server using the configured IP address.
c_plc_0383

3.When the setting screen appears, select "IP address" from the left menu.
c_plc_0384

4.From the IP address setting screen, select "Setting"
c_plc_0385

5.Set the IP address and subnet mask as follows:
c_plc_0386

setting	Setting contents
IP address	192.168.0.100
Subnet mask	255.255.255.0

6.Once you have completed the settings, click the "Set" button at the bottom of the page to confirm the settings.

7.Select "Task Code" from the left menu.
c_plc_0387

8.From the task code setting screen, select "Setting"
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9.Configure as follows:
c_plc_0389

setting	Setting contents
Task code port timeout:	Enable
Timeout value	30s
Task code port 1　Protocol	UDP
Task code port 1　Port No.	3004

10.Once you have completed the settings, click the "Set" button at the bottom of the page to confirm the settings.

11.Press Reset on the left menu
After the reset is complete, turn off the power to the PLC, return all DIP switches to OFF, and then turn the power back on.
c_plc_0390

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_0391

3.Open the properties of the added unit (U01) and click Communication Settings.
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4.Configure the following in "PC Settings"
c_plc_0393

setting	Setting contents
Computer IP address	192.168.0.1
Computer port number	Automatic

5.Set the following in "Unit side settings"
c_plc_0394

setting	Setting contents
Unit IP Address	192.168.0.100
Unit Port Number	3004

6.Set "Communication details" as follows:
c_plc_0395

setting	Setting contents
protocol	UDP/IP
Maximum communication interval	30 (fixed)

7.Select "Ping Test" to check if the ping goes through normally.
If you see a message like "Ping test is success～", the test was successful.

8.Perform a connection test to check the connection
c_plc_0396

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

Connection example [H series]

Connection example [H series]