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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
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
Overall height
107 mm
Overall width
185 mm
Power consumption
30 W
Power supply voltage
24 V DC ±10%
Pulse frequency
160180 Hz
Temperature drift
0.5%/K (relative to Imax)
Test point output current
20800 mA (ports BU2, BU3)