VisuNet Ethernet-supported HMI system for Zone 1 (gas) and Zone 21 (dust) environments as specified in the IEC standard (touchscreens: Zone 22, dust) consists of an LCD monitor with a network interface. The distance between monitor, keyboard and mouse in the hazardous area, and host PC in the safe area, can be 90 m. Fiberoptic cables increase transmission distance to 2 km. Remote Desktop Protocol (RDP) is used for transferring data to and from the monitor.
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