7.10 Protection Function
7.10.1 Overview
FcP 5020 ASF provides a multiple of protection functions, including detection of
pressure sensor failure, actual pressure monitoring, pressure / flow command
monitoring, pump power limitation and so on.
7.10.2 Pressure Sensor Failure Detection
Code
Name
Setting range
Default Min.
Attri.
F4.00 Protection function configuration
word
0...15
Bit0: Pressure sensor failure
(PSF)
Bit1: Actual pressure monitoring
Bit2: p/Q max. command limit
Bit3: Oil changing detection
0
-
Run
F4.06 Pressure sensor failure detection
threshold 1 (negative direction) -5,000...0 rpm
-1
1
Stop
F4.07 Pressure sensor failure detection
time 1 (negative direction)
0.1...100.0 s
10.0
0.1
Stop
F4.08 Pressure sensor failure detection
threshold 2 (positive direction)
0...5,000 rpm
200
1
Stop
F4.09 Pressure sensor failure detection
time 2 (positive direction)
0.1...100.0 s
10.0
0.1
Stop
F4.10 Pressure sensor detection thresh-
old (standby)
1.0...1,000.0 bar
5.0
0.1
Stop
F4.11 Pressure sensor detection period
(standby)
0.1...100.0 s
1.0
0.1
Stop
Tab. 7-20: Parameter list of pressure sensor failure detection
The pressure sensor failure protection can be activated via bit0 of F4.00.
Bosch Rexroth AG
Block Diagram of Main Functions
FcP 5020
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DOK-RCON03-FCP5020****-QU04-EN-P