MR MSENSE DGA 9 - Filling Level L1

MSENSE
®
DGA 9 7045899/02 EN – 11.2020 Page 73
6.2.4 Filling level L1
In this process step, the extraction chamber is filled with oil up filling level L1.
Legend
Condition of components
[1]
Filling level L0 “reached”
[2]
Filling level L1 “reached”
[3]
Filling level L2 “not reached”
[4]
Valve V9 “open”
[5]
Flow F1 “present - filling”
[6]
Valve V1 “filling - draining”
[7]
Valve V3/ V7 “closed”
[8]
Compressor K1 "standstill”
[9]
Valve V4/ V8 “closed”
[10]
Valve V2 “open”
[11]
Pump P1 "standstill”
[12]
Valve V5 “open”
Safety functions and fault detection Filling level L1
Monitored components
Detectable errors
Filling sensors zero acknowledgement, low and high
Filling level L0 or L1 not reached
Filling level L2 reached
Filling sensors zero acknowledgement, low and high
Flow measurement
Time monitoring
Filling level drops
Filling stagnates
Filling time exceeded
Measurement cell
Measurement cell offline
Pressure sensor in measurement cell
Pressure drop
Flow stops