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Application for Com-Server

Application for Com-Server


Applications for Serial Communication

without any additional expenditures, directly over the existing network

When the revision board asked why there were several lease lines and dial-up lines between the location, in addition to the intranet, the technicians realized that every adapter was already connected to all other adapters across the entire company.

Simply route your serial COM port into the network - also on 64-bit Windows systems -

Up- and downloading of controller programs as well as status monitoring are handled with the Siemens S7-200 using the PPI interface. Connection to the PC used as a programming device is frequently implemented using the RS232/PPI Multi-Master cable.

To extend this connection to a physically remote computer or to access from different work stations, a special serial cable with line drivers and if necessary a manual switcher generally needs to be installed. Alternative use of an Ethernet CP would necessitate modifying the S7 project/programm file. In addition, each individual PLC would needs its own CP.

Use of a Com-Server on the other hand provides a simple solution that works without any modifications to the controller program and usually eliminates any cabling expense. The RS232/PPI Multi-Master Cable is coinnected to the Com-Server instead of the PC. You install the COM Port Redirector on the PC and then simply tell Step7/Microwin on which virtual COM port it should look for the controller components - that's it.

Connect Siemens Logo!® and Display Logo!® TD over the network

Connect Siemens Logo!® and Display Logo!® TD over the network

The cable length of just a few meters allowed for connecting a Logo!® controller to a Display Logo!® TD often makes interesting applications impossible. With the help of two Com-Servers you can get around this problem and tunnel the serial connection through the Intra-/Internet - with virtually no spatial limitations. The following application example takes you step by step through the necessary settings and adjustments using two Highspeed Industry Com-Servers, Art. No. 58631 - This article has been replaced by the expanded successor model Com-Server ++, #58665..