Commissioning, configuration, troubleshooting

Why, following replacement of a Web Thermometer, is it no longer addressable under the "old" IP address?

The reason for this is often the use at roughly the same time of an identical IP address for 2 devices having different MAC addresses. TCP/IP stations update a dynamically managed ARP

How can Web Thermometers be inventoried in the network?

WuTility
With the aid of the free-of-charge Web Thermometer management and inventorying tool WuTility for Windows. This automatically detects all Web thermometers and Web-IO

How can the network traffic be monitored?

In the case of all terminal equipment that is connected to a network, communications problems can occur for which there would appear to be no reason at first glance.

Where can I find current versions of the firmware, manuals, tools etc. for the Web Thermometers?

The quickest way is via the insider search available on our homepage. Specify the article number of the relevant Web Thermometer and select the desired item from the menu

Why does the configuration menu of the Web-IO 1x Thermometer not appear when a Telnet connection is established?

The configuration menu of the Web thermometer is only available via the TCP port 1111. If the connection is established from the Telnet client without explicit specification of the port number 1111

How can the Web Thermometer be reset to its factory default settings (factory defaults)?

The Web-IO 1x Thermometer #57601 can be reset via the Telnet configuration menu using the port number 1111. Following selection of the relevant menu item in the "System setup"

Is there a facility for assigning the IP address via the serial interface without a PC?

If you have a handheld PC (e.g. a palm), you have the facility of assigning the IP address via the integral serial interface of the handheld PC. Suitable terminal programs for handheld PCs can be found

In DHCP environments, how are Web Thermometers prevented from being given spurious IP addresses?

In order to prevent this problem, the Web Thermometer operates using the DHCP-compatible BOOTP protocol. Unlike DHCP, the BOOTP protocol is based on the permanent reservation of certain IP

Why can’t I assign an IP address through the serial port?

Regardless of the serial transmission parameters set for normal operation, the Web Thermometer expects for entering the "x" characters (=ASCII 120) on boot-up always the transmission format 9600 baud, 8 data bits, no parity.

Why can’t I assign an IP address using a static entry in the ARP cache?

This method can only be used if the Web Thermometer does not already have a different IP address. (See also How can a Web Thermometer having an unknown IP address be assigned a new one?).

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Commissioning, configuration, troubleshooting

Why, following replacement of a Web Thermometer, is it no longer addressable under the "old" IP address?

How can Web Thermometers be inventoried in the network?

How can the network traffic be monitored?

Where can I find current versions of the firmware, manuals, tools etc. for the Web Thermometers?

Why does the configuration menu of the Web-IO 1x Thermometer not appear when a Telnet connection is established?

How can the Web Thermometer be reset to its factory default settings (factory defaults)?

Is there a facility for assigning the IP address via the serial interface without a PC?

In DHCP environments, how are Web Thermometers prevented from being given spurious IP addresses?

Why can’t I assign an IP address through the serial port?

Why can’t I assign an IP address using a static entry in the ARP cache?

FAQs