Yaskawa CM090 - Manual (Page 3)

Yaskawa Electric America, Inc – www.yaskawa.com
IG.AFD.25, Page 3 of 6
Date: 10/7/09, Rev: 09-10
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Resetting the Modbus TCP/IP Option Card to the default address (if needed).
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The factory default settings are as follows:
Configure Network Parameters: USER
IP Address:
192.168.1.20
Subnet: 255.255.255.0
Gateway: 192.168.1.1
EF0 Timeout: 5.0 seconds
Gateway Usage: Disabled
„ If the web page is not visible, check that the PC has been setup and connected properly.
If the PC has been setup and connected properly and the web page is still not visible,
the IP address of the Modbus TCP/IP Option Card may need to be reset to its factory
default as follows:
„ Remove power from the drive and wait for the charge lamp to be completely
extinguished. Wait at least five additional minutes for the drive to be completely
discharged. Measure the DC bus voltage and verify that it is at a safe level.
„ Place a jumper between test points C and /LD on the Modbus TCP/IP Option
Card as shown in the figure to the right.
„ Reapply power to the drive and wait approximately 10 seconds for the power-up
cycle to complete.
„ Remove power from the drive and remove the jumper between C and /LD on the
Modbus TCP/IP Option Card.
„ Reapply power to the drive and wait approximately 10 seconds for the power-up
cycle to complete. You should now be able to connect to IP address 192.168.1.20
and open the main web page.
IP address: 192.168.1.19
Subnet mask: 255.255.255.0