KROHNE SU 600 EN - Manual (Page 24)

pushing both keys again for approx. 3 seconds. If no key
is pushed, the display switches automatically over to
"OPERATE" after approx. 60 minutes and the simulation
is terminated.
à
To start simulation, push the [ +/- ] keys simultan-
eously until the displayed value starts flashing
(approx. 3 seconds). By pushing either of the [ +/- ]
keys, you can set the requested simulation value and
make your check.
With a reset, all values set by the user will be lost and
are reset to factory settings.
à
Interrupt the power supply of SU 600. Push the [+/-]
keys simultaneously and hold them while you switch
on the power supply. The display shows "RES" and
the default settings will be restored. These are the
following:
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Relay switch on points: 10 %
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Relay switch off points: 100 %
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Decimal point: 888.8
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Display min: 0
l
Display max: 100.0
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Integration time: 0 s
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Offset correction: 0
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Current output: 4 … 20 mA
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Min. adjustment: 0 % or 4 mA
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Max. adjustment: 100 % or 20 mA
6.3 Application example
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An upright cylindrical (linear) tank has a volume of
2700 l
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The max. filling volume is 2650 l, the min. filling
volume 50 l
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The level sensor in the vessel is a pressure
transmitter (passive), outputting a standardised
4 … 20 mA signal
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For further processing, an additional 4 … 20 mA
output signal is required
Reset
24 SU 600 - 4 … 20 mA signal conditioning
Setup with the integrated indicating and adjustment unit
30652
-EN
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