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The Rexroth VT-3000 analog amplifier is designed for controlling pilot-operated proportional directional valves (WRZ, up to component series 6) and direct-operated proportional pressure valves (DBEP6 and 3DREP6). The VT-3000 cards feature four adjustable command values, limited by potentiometers to a maximum input signal. The front panel includes four LEDs that provide a visual reference for the input relays. A built-in voltage stabilizer ensures consistent voltage for optimal performance. The built-in ramp generator allows adjustment of acceleration and deceleration rates to 1 or 5 seconds. Additionally, the VT-3000 uses PWM output, which reduces hysteresis with a dither effect.
Technical Specifications
Fuse Rating
2.5 Ampere (5 mm x 20 mm fuse)
Input Control Voltage
± 9 V
Maximum Output Current
800 mA
Maximum Output Load
19.5 ?
Minimum Input Load
? 500 ?
Minimum Output (bias) Current
20 mA
Power Requirements
30 W
Power Supply Voltage
24 VDC ±10%
Pulse Frequency
160 to 180 Hz
Temperature Drift
0.5% (from Imax)/K
Test Point Bu2
Output signal for solenoid B; 20-800 mA
Test Point Bu3
Output signal for solenoid A; 20-800 mA