User manual

50
User Manual
Interface cards IF-XX
EN
Date: 04-09-2012
About the interface cards
9.4 Firmware updates
The additional USB port is also used to update the firmware
of the device or the Ethernet card itself.
Firmware updates are done with a special update tool and
a new firmware version, which are obtainable from the ma-
nufacturer of the device.
9.5 Trouble-shooting
Problem: Device is not responding
In case the connection to a device somehow hangs or drops
completely and attempts to re-establish the connection fail,
the interface card can be reseted with the small reset button
on the card.
The card will reboot after the manual reset and initialise
the network connection again so that the device becomes
accessible again.
Problem: IP of a device is unkown or forgotten
Devices with a graphical display can show the network pa-
rameters in the setup menu.
Other models, like for example a PS 8000 T, can not show the
IP. Here it is required to use the little tool „IP-Config“, which
supplied on the included CD. Via the USB port connection
and with the jumpers on the interface card set to position
NORM, the tool can read and write the network configuration.
Problem: The device can not be accessed via its IP
This can have several reasons:
1. The Ethernet card could not be detected by the device
If a device can not detect and thus initialise the Ethernet card,
the Ethernet will reboot every few seconds and the network
connection will constantly open and close.
Check your device...
• electronic load EL 3000 / EL 9000 for showing „Card found:
IF-E1 (Ethernet“ in the display (switch „Level Control“ in
position „Setup“
• power supply of series PSI 8000 or PSI 800 R for showing
„Slot: IF-E1“ in menu „Communication“
• power supply of series PS 8000 for showing „Device node“
in the setup mode
If this is not display, the card slot may be defective, the card
itself may be defective or the card is not installed correctly.
2. The IP is a different network segment
A subnet mask defines what local IPs are accessible in the
network. The subnet mask, as set for the IF-E1B Ethernet,
has to match the subnet mask of the network. You can eit-
her change the subnet mask or the IP to access the device
again via its IP.
3. The TCP port has closed
The keep-alive timeout of the Ethernet card IF-E1B is 10min.
If there is data communication during this period, the TCP
port will be closed on the device side.
4. The device has a different IP than expected
If DHCP has been activated and there is a DHCP server
running on the network, the network settings, as given by
you via website, IP-Config tool or directly in the setup menu,
will be overriden and automatically assigned new values.
The new IP is unknown at first. In order to switch DHCP off
for the Ethernet card, you need to detect the IP first. This
can be done using a network scanner tool, which also lists
the MAC address of detected network devices. The MAC
address (see sticker on the IF-E1B) can be used to identify
the Ethernet card and to find the assigned IP. Open the IP
in a browser and switch DHCP off, if required.
Problem: The LEDs on the network port do not work
This is no error, this is intended in orde to ensure the full
galvanic isolation of up to 1500V against the device.
Problem: When connecting more than IF-E1B to the
network, one or all devices with IF-E1B can not be
connected
This can happen with older firmware versions. Up to version
2.08, the IF-E1B might not use the correct MAC address in
some situations. It then uses a generic MAC adress which
unfortunately is the same on all cards concerned by this
problem. It can only be solved by performing a firmware
update on the Ethernet card(s).
From firmware 2.09, if the Ethernet card can not use the
implemented MAC address by any reason, it will use a MAC
address where the first three bytes are always the same and
the rest is generated from the serial number of the card, so
the new MAC address becomes unique.