Bosch REXROTH A4VSO User Manual

74/104 Commissioning
Bosch Rexroth AG, A4... with HS5E pilot control valve/Series 3x, RE 92076-01-B/10.2017
Fig. 26: Damped oscillation
Step Behavior/result Measure
1 Slow response Check the value of the dead volume (P-0-2813) and correct
it if necessary.
2 Response is still slow Increase P-gain (P-0-2809); if necessary, reduce D component
positive (P-0-2816)
3 Response is still slow Reduce the integration time (P-0-2806.0.4)
Fig. 27: Unstable control
Step Behavior/result Measure
1 Rapid but unstable
response
Check the value of the dead volume (P-0-2813) and correct
it if necessary.
2 Reduce P-gain (P-0-2809); if necessary, reduce D component
3 Increase the integration time (P-0-2806.0.4)
4 Reduce parameter for feedback derivation actual pressure
value (P-0-2812)
Pressure
Time
Pressure command value
Actual pressure value
Slow control
Pressure
Time
Pressure command value
Actual pressure value
“Unstable” control

Bosch REXROTH A4VSO Specifications

General

Brand	Bosch
Model	REXROTH A4VSO
Category	Water Pump
Language	English