Test Output; Display - Diehl Metering 548 Manual De Instalación

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7.7 Test output

The internally located test output is intended for testing laboratories.
The manufacturer supplies one special cable:
ƒ
Energy testing pulse
Please refer to the inspection and testing manual for further specifications
(pulse weighting, pulse duration/pause, pulse frequency).
Ensure that the temperature sensors (measurement resistances)
remain in contact without interruption during energy verification.
8.

Display

The data generated by the calculator can be viewed in several displays.
These displays contain the assigned system information (e.g. energy
quantities, water volumes, operating days, water quantities, actual tem-
peratures, maximum values) and can be accessed by calling the displays
in the pre-defined sequence / loop. The calculator has up to 6 different
display loops.
Main loop, due date loop, information loop, pulse input loop, tariff loop.
The month loop comprises up to seven value displays alternating in the 2
s - 4 s rhythm. For quick visual identification, the loops are labelled 1 to
6 in the display. As default, the main loop contains the actual data, e.g.
energy, volume, flow and temperatures. The verified register is marked
with a padlock icon.
Main loop (1)
Important: Overview applies to heat meters and cooling meters only
Sequence Window 1
1.1 Accumulated energy
1.2 Volume
1.4 Measured values
1.5 Power
1.6 Flow/return temperature
1.7 Differential temperature
1.8 Operating days
1.9 Error status
1.10 Display test
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