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Modbus Organization

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CAS

CAS CommServer

Type:  Software - OPC
Description:  Configurable OPC server providing multi-protocol, multi-medium and multi-channel redundant access to physical process control device data. CommServer offers the possibility of using many communication protocols simultaneously, parallel handling of independent communication channels and redundant links with remote physical devices. Users can define logical sets of devices (segments) with common address or scanning rules. New protocols can be added with plug-ins. It provides the possibility of using various communication media simultaneously, including copper and fibreoptic wires, digital radio, ISDN, GSM and satellite transponders. Physical data communication network is monitored and the acquired diagnostic data are provided as OPC tags.
Connectivity:  Modbus
Features:  Protocol-independent once user has defined the process tags and scanning rules; Protocol can be changed easily without change of the previous configuration); Multi-link and redundancy capabilities (physical devices can be accessed using different protocols, channels, segments and interfaces coupled together in virtual communication pipes); Diagnostic information provided by OPC tags; Watchdog mechanism prevents deadlock in case of faulty configuration or malfunction
Specifications:  Runs on Windows NT/2000XP; uses serial ports, isdn modems and more