Com Server and AT Modem Emulator
Integrate serial devices into the network
- in a universal and flexible way -
Automation Technology, Process Technology & Building Automation
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Com-Servers in Modbus environment: Box-to-Box
Connection of remote RTU slaves with RS485 to an RTU master via network
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Com-Server in Modbus environment: Modbus/TCP gateway
Connecting serial Modbus/RTU slaves to a Modbus/RTU master
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Com-Server in Modbus environment: Windows COM Port Redirector
Operation of a Modbus/RTU master in virtual environments
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OPC: Com-Server and automation technology
Standard visualizations gather serial data over the network.
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ESPA tunnel through the network
Running ESPA communication over TCP/IP networks
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Serial communication in Modbus environments
A brief overview of the key Modbus features and applications of the Com-Servers in these environments.
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Network connection for Logo!® Steuerung and Display Logo!® TD
Com-Servers link Siemens Logo!® controller and Display TD over the Intra- or Internet - with virtually no distance restriction.
Transparent exchange
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TTY Redirector - Redirect TTY into the network
Make your serial Linux application network-compatible with pseudo-TTYs and Com-Servers.
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Replace analog leased lines with Com-Servers
Com-Server as a convenient and flexible alternative to discontinued analog dedicated lines
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W&T COM Port Redirector
Make your serial software network-enabled without changing a single line of code.
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RS232 line driver from Bonn to Berlin
Box-to-Box mode connects any desired serial devices - even worldwide.
What else is possible
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Existing network instead of expensive dial-up connection - without changing the terminal devices
Simply replace the dial-up numbers with IP addresses and standard modems with LAN modems - and you’re done.
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Coupling of Ethernet LANs over all kinds of cable
Com-Servers as SLIP routers connect your Ethernet islands - even over normal telephone cable for example.
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Accessing devices on the intranet from the internet
How do I make W&T devices behind the intranet perimeter router accessible from the Internet?
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Weather with PHP and Com-Server into the network
TCP socket connection to a serial weather station.
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Write measured data directly to your network server,
No problem with the Com-Server as FTP server or FTP client.
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W&T devices quickly integrated into the network using WuTility.
Background information
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USB-Servers &
Com-ServersMore than just simple device servers!
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Internet ABCs
Terms frequently used in connection with network technology concisely explained