Machine module servo pump

Efficient machine solution for hydraulic and hybrid machines

Baumüller supplies innovative and optimized drive solutions for all sectors through years of intensive cooperation with mechanical engineers. Due to the integrated control unit in the converter, Baumüller servo pumps can easily be connected to your machine control systems. In the process, they reduce the energy consumption of your drive system significantly and also allow for shorter cycle times, greater accuracy as well as lower noise development. See for yourself and rely on the flexibility and power of innovation of the experts from Baumüller.

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The Software – intelligence in the drive

The servo-hydraulic technology module is integrated directly in the servo drive and is fundamentally responsible for ensuring maximum utilization of the advantages of servo-hydraulics. The heart of the software is the flexible pressure and flow rate control in a controller cycle time of only 125 µs for maximum dynamics and precision. Thanks to intelligent feed forward pressure controls, the control adapts itself to different hydraulic ranges and thus achieves outstanding pressure adjustment behavior.

Parameterization of the servo drive including servo-hydraulic functions is fully embedded in the ProDrive user interface. The guided commissioning makes fast commissioning possible, even without in-depth programming knowledge or detailed servo drive technology know-how. The graphic user interface screens enable logical and clear operation.

► Detecting and preventing wear in servo hydraulics

The commissioning and optimization can also be undertaken as a service by the Baumüller experts, who have many years of experience in the application of servo-hydraulics systems and thus integrate the system into the machine optimally.

In addition to the excellent control behavior and easy handling, the latest Baumüller V2+ software for servo-hydraulic systems also includes numerous protection and monitoring functions that further enhance the performance and reliability of the system.

Pressure sensor power monitoring

Problem:

Pressure sensor wire break

Function:

Monitoring of the pressure signal at the servo drive
Detection of a wire break
Error message with definable error response

Benefits

Fast troubleshooting
Reduced downtimes

Pressure sensor comparison, monitoring and compensation

Problem:

Aging of pressure sensors (zero drift)
Damage to the pump

Function:

Monitoring of the sensor signal by internal comparison routine
Trigger by external signal
Automatic compensation of the measured offset
Adjustable warning and error thresholds
Error and warning message with definable drive response

Benefits

Condition monitoring: Early detection of a defective sensor
High availability: Protection of the pump
Optimum process sequence, even with sensor drift

Acceleration limit

Problem:

Pump wear due to excessive acceleration

Function:

Limiting of the acceleration in the servo-hydraulic system

Benefits

“Soft machine behavior”
Reduced wear and downtimes

Leak determination, monitoring and compensation

Problem:

Aging of pumps and therefore increasing leakage
Reduced process accuracy

Function:

Identification of hydraulic system leakage
Adjustable warning and error thresholds
Error and warning message with definable drive responses
Compensation of the measured leakage

Benefits

Condition monitoring: Early detection of a defective pump
Optimal process run even with increasing leakage

Basic pump protection

Problem:

Dry running of the pump

Function:

Detection of faulty states in the hydraulic system
Monitoring of the pressure build-up time
Error message with definable error response

Benefits

High availability: Protection of the pump against dry running

Thermal pump protection

Problem:

Thermal pump overload in case of overlong pressure maintenance mode (zero flow)
Wear and possible premature failure of the pump

Function:

Protection of the pump against thermal overload without temperature sensor
Calculation of the pump thermal overload depending on process parameters (pressure, speed, etc.)
Optional: Activation of a hydraulic bypass on reaching a definable warning threshold to relieve the pump
Error message with definable error response

Benefits

Increase in availability: Protection against pump failures caused by thermal overload
Condition monitoring: Display and monitoring of the current pump capacity utilization

► Learn more about servo hydraulics in the Baumüller Motion Arena!

Drive Intelligence for Servohydraulics

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Servo hydraulics
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Servo pumps

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