Pfeiffer DCU 001, Operating Instructions Manual

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4.2. General
All function relevant aspects of the pump electronics are illustrated in the form of parameters.
Each parameter has a number and a designation (for example, “720: Vent frequ”).
The value of the parameter is always readable, in some cases also modifiable via the keyboard.
4.3. Switching On The Control Unit
➡
Make the connection to the Serial Interface RS 485.
DCU 001:
➡
Switch on the external supply of the Electronic Drive Unit (for example TPS 100-600).
DCU 100/150/200/300/600:
➡
Switch on the DCU by the switch S1 on the rear side.
➡
In the event of an error message: depress: .
Self-Testing
After switching on, the DCU performs a self-test and also a test on the connected turbo electro-
nics. Run time of the self-test: approx. 20s. During the test a bar appears in the display in line 4
and this shows the progress of this procedure.
•
D Diissp plla ayy tte esstt:: All signs in the LC display are shown for a short time in black.
•
LLE ED D tte esstt: During the whole testing process the red and the green LEDs illuminate.
•
D DC CU U tte esstt: The DCU hardware is tested.
•
C Co on nn ne ec cttiio on n tto o tth he e ttu urrb bo o e elle ec cttrro on niic css tte esstt: The correct connection to the turbo electronics and
their identity are examined.
•
P Pa arra am me ette err tte esstt: Information regarding the parameters is loaded.
•
IId de en nttiiffiic ca attiio on n o off tth he e c co on nn ne ec ctte ed d c co om mp po on ne en nttss: The designation of the drive unit is displayed.
Providing there are no errors the DCU is now ready to operate.
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