Power amplifier with motor potentiometer function for proportional valves
Power stage
Motor potentiometer function
Ramp building and linearization
Digital calling up preset demand values
PWM controlled output for two solenoids (directional)
PWM controlled output for one solenoid
USB communication interface for monitoring and parameterization
Supply voltage 12… 30V
Input resistance analog and digital inputs min. 25 kOhm
Working resistance for 4… 20mA of 390 Ohm
Max. output current 50 mA (digital) and 25mA (reference)
Controller cycle time 10 ms
Current controller cycle time 125 µs
PWM generated solenoid current of max. 2.6 A
PWM frequency of 61.... 2604 Hz (stepwise)
USB type B interface
Power stage
Motor potentiometer function
Ramp building and linearization
Digital calling up preset demand values
PWM controlled output for two solenoids (directional)
PWM controlled output for one solenoid
USB communication interface for monitoring and parameterization
Technical
Documentation
Overview
Power amplifier
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