HMI modules

They are used as a direct user interface for reading and displaying data from RTU or control of switching elements through RTU. They are connected to the RTU via the RS-485 serial interface or Ethernet.
More information about HMI modules


Recommended types for RTU unit backups in case of the main supply failure.
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GSM antennas

Different types of antennas are provided with GSM modem equipped RTU’s.
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Special cards

These cards provide, for example, synchronisation of time in PC using GPS and complete remote PC operation monitoring
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Universal USB converter

Basic unit for the CIOMOD line communication modules. It converts USB communication to various physical interfaces. The converter can be used, for example, as a service communication interface between the PC with the User Center and the ELVAC RTU7/M.
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