FCU 8000 series
Hydraulic diagram
HYDAC FILTER SYSTEMS GMBH
en(us)
Page 21/112
BEWA FCU8000 3109776d en-us 2011-06-10.doc
2011-06-10
The evaluation electronics in the FCU continuously monitors for this purpose the
following:
the
particle
sensor
the filter clogging indicator
the flow rate sensor
the power supply voltage
the internal evaluation electronics
The contact from Relay 3 is always closed during normal operation.
Relay 3 opens the contact when a malfunction is recognized.
A corresponding fault message appears automatically in the display in the event of a
malfunction, and the storing of data is interrupted. (see also in this connection the
chapter Error Messages / Troubleshooting)
As soon as the error has been rectified, the evaluation electronics recognizes this
fact, resets the fault message fully automatically and closes the Relay 3 contacts.
Both the measuring operations and the storing of data are resumed.
This ensures that measurement operations can restart without requiring the
intervention of operating personnel after malfunctions such as voltage loss, flow
errors caused by drops in pressure, etc. have been eliminated in permanent online
operation.
All of the measured and stored measured values can be read out via the serial
interface (11), e.g. by means of a PC. (Software and cable included with the unit as
supplied)
The built-in printer (14) documents the measurements in the form of tables or
graphs.