Landis+Gyr E650 Series 4 User Manual page 12

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
Storage of event information, e.g. voltage failures, exceeding of
thresholds or error messages. Event information can be read out via the
available interfaces. Important events can be communicated to the
energy supply company as operational messages (sending of SMS
messages, control of an arrow in the display, drive for an output
contact, etc.).

Interfaces such as CS, RS232, RS485, modem, etc. for remote
transmission of data (communication unit)

Auxiliary power supply for communication with the meter if no
measuring voltage is present
D000062026 en a – E650 Series 4 – ZMD400AT/CT, ZFD400AT/CT – User Manual
Device description