Overview Of The Controller Functions - REXROTH VT-HACD-3-2 Series Manual

RE 30543/12.10 VT-HACD-3-2X

Overview of the controller functions

Position controller:
– PDT1 controller
– Linear amplification characteristic curve
– Direction-dependent gain adaptation
– Gain modification via the program possible
– Adaptation of the valve characteristic curve
– Fine positioning
– Residual voltage principle
– Compensation of zero point errors
– State feedback via
• Pressure
• Pressure differential
• Position
– Command value provision
Hydraulics Bosch Rexroth AG
Pressure/force controller:
– PIDT1 controller
– I component switchable via window
– Pressure differential analysis
– Command value provision
Velocity controller:
– PI controller
– I component switchable via window
Monitoring functions:
– Dynamic tracking error monitoring
– Cable break monitoring for incremental and SSI encoder
– Cable break monitoring for sensors
– Cable break monitoring for analog signals
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