KROHNE SU 600 Ex EN - Manual (Page 20)

à
Now select position [9] on the function switch, enter the
requested value and save your settings.
The characteristics of the current output can be switched over
from 4 … 20 mA to 0 … 20 mA.
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Now select position [8] on the function switch, adjust the
requested characteristics curve and save your settings.
To check if the settings ofSU 600 Ex are correct, the simulation
mode can be used. Any individual measured value can be
simulated and e.g. the correct behaviour of the relays and the
connected instruments can be checked.
Switching over between the functions "OPERATE" and
"Simulation" is done by pushing the [+/-] keys for at least 3
seconds.In the simulation mode, the set value flashes on the
display. The simulation can be switched off by 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 simultaneously 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 Ex. 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:
l
Relay switch on points: 10 %
l
Relay switch off points: 100 %
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Decimal point: 888.8
l Display min: 0
l
Display max: 100.0
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Integration time: 0 s
l
Offset correction: 0
l
Current output: 4 … 20 mA
l
Min. adjustment: 0 % or 4 mA
l
Max. adjustment: 100 % or 20 mA
6.3 Application example
l
An upright cylindrical (linear) tank has a volume of 2700 l
Current output 0/4 … 20 mA
Simulation
Reset
20 SU 600 Ex - 4 ... 20 mA signal conditioning
Setup with the integrated indicating and adjustment unit
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