Ing. Büro S. Ludescher, CH-Oftringen

Internet Support Pages

The products described on these pages are obsolete and not available anymore. For the support of our appreciated customers we will continue to run these pages for now.

Product overview

Zero Power RS485 Converter ZP485

The ZP485x is a RS232 to RS485 converter which does not require a power supply. The power is dereived from the RS232 signals. It can be plugged directly onto the RS232 connector of the PC. Both, the RS232 and the RS485 connections are made with a 9-Pin D-Shell female connector.

Serial Data & Protocol Analyser

The Protocol Analyser is a tool to monitor and analyse data on a serial link between two ore more devices (data scope). It is helpful for developing, debugging and start up. It was designed for communications of PLC and systems of industrial measuring and control engineering.

This analyser makes it easy to analyse serial links in the lab, development and on site. The extensive trigger, time measuring and evaluation possibilities are helpful for debug and development. It uses the standard RS232 serial port from the PC, is pull down menu driven with mouse support and online help. For half duplex protocols, the interface converter needs only one serial port of the PC. It converts RS232, RS422, RS485 and 20 mA current loop signals without external power.

The software runs under MS-DOS version 5.0. It can be run under Windows 3.1, 95 or 98 in a DOS-Box.