Pump Thermal Protection - Bosch Rexroth Sytronix FcP 5020 Quick Start Manual

Bosch Rexroth AG
Block Diagram of Main Functions

7.10.6 Pump Thermal Protection

Code Name
F4.03 Pump function control word
F4.36 Pump thermal protection speed
Pump thermal protection time
F4.37
constant
Tab. 7-24: Parameter list of pump thermal protection
The pump may overheat at a low speed due to the oil volume required for the
pump cooling may not be adequate. The pump thermal protection function will
detect if pump speed is lower than the speed limitation [F4.36], and trigger
warning or error message according to [F4.37]. For details reference the follow-
ing table and figure.
This function can be activated by bit1 of F4.03.
Protection condition
F4.37 (protection time) = 0s
F4.37 (protection time) > 0s
Tab. 7-25: Protection condition
Fig. 7-23: Pump thermal protection
48/75
Setting range
0...31
Bit0: Pump power limit
Bit1: Pump thermal protection
Bit2: Switch master to slave
Bit3: Two points / double pump
Bit4: Pressure drop / overshoot
compensation
0...5,000 rpm
0...6,000 s
F4.36 (protection speed) = 0rpm F4.36 (protection speed) > 0rpm
Inactive
Inactive
Default Min.
0
500 1
0 1
Warning
Warning and error
DOK-RCON03-FCP5020****-QU02-EN-P
FcP 5020
Attri.
- Run
Stop
Stop