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Operation
5.7
Data readout
D000062026 en a – E650 Series 4 – ZMD400AT/CT, ZFD400AT/CT – User Manual
The optical test outputs are used for testing the meter (also see section 7.1
"Meter testing"). They transmit visible red pulses corresponding to the
current measured values (active and reactive energy).
The energy supply company can record the data stored locally in the meter
at any time in two ways:
Reading the liquid crystal display of the meter. The displayed data is
defined by parameterisation.
Automatic data readout via the optical interface with a readout device
(e.g. laptop).
Readout data
For readout to IEC 62056-21, all data determined by the parameterisation
are read out in the specified sequence.
For readout according to DLMS (Device Language Message Specification),
the data requested by the readout unit are read out.
If the meter is fitted with the appropriate communication unit (see
associated separate operating instruction), remote readout of the meter
data is also possible.
Procedure for data readout via optical interface
1.
Start the readout device (according to the details in the associated
operating instructions).
2.
Connect the cable of the reading head to the readout device.
3.
Place the reading head in the "Readout" indentation on the plastic
viewing window of the meter. The reading head cable must point to-
wards the terminal cover (when mounted vertically downwards). The
reading head is held magnetically.
4.
Start the data readout on the readout device (according to the details
in the associated operating instructions).
5.
Remove the reading head from the meter again after completing the
readout.
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© Landis+Gyr
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