TDK-Lambda Genesys series Technical Manual page 19

3.8.3. Cannot Open Web Page using Laptop or Dual-LAN Card Computer
If you have a computer with two network cards, the computer may not know which card to
use when trying to open the Genesys™ web page. Verify the two cards do not have over-
lapping IP address ranges, otherwise it may be necessary to disable or disconnect the
network card that is not being used
If you have a laptop computer with an Ethernet jack and a wireless network, it may be
necessary to disable the wireless LAN port
For running VISA programs (see section 6.3), two network cards is not a problem because
the VISA resource descriptor includes the network [board] identifier
3.8.4. The IP Address Changes to Zeroes
If a network connection is made, but then the connection is broken, check the IP address on
the front panel of the power supply (see section 4.1). If the IP address is all zeroes, then:
The Ethernet cable connection may not be proper. Verify the Link LED is glowing (as
−
shown in Figure 2)
If the power supply obtained it's IP address from a DHCP server but that address was
−
not renewed
3.8.5. Web Page Fields Show as Little Blocks
For numeric fields, such as the voltage settings, if icons show instead of numbers, then
the Java Runtime Engine (JRE) may need to be installed on your computer. If the JRE is
already installed, a slow network connection can also create this situation. See section 1.4.2
for details
Also, in the web browser, you may have to enable Java scripts and Java applets. With
Microsoft Internet Explorer, do this by opening the browser and, on the toolbar, navigate:
"Tools" ‡ "Internet Options..." ‡ "Advanced" ‡ "LAN Settings..."
and see the windows open:
Verify the "Use Java..." checkbox IS checked
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