Bosch Rexroth R900020300 Servo Amplifier Module

The Bosch Rexroth VT3013-37 analog amplifier card, also cataloged as R900020300, is a 24 VDC-powered servo amplifier module in the VT3000 family designed to drive servo valves and proportional valve drivers in precision motion systems. It accepts a differential 0–10 V input with an input control voltage of ±9 V and delivers a maximum of 800 mA to the load, with a coil resistance up to 19.5 Ω, while drawing about 30 W from a 24 VDC ±10% supply. Protective and interface features include a 2.5 A fuse (5 mm x 20 mm), minimum input load ≥ 500 Ω, minimum output bias current of 20 mA, and test points BU2/BU3 for monitoring outputs from 20 mA to 800 mA; the unit occupies 1 TE of rack space (5.08 mm per TE) and weighs roughly 0.33 lb (0.15 kg). Typical applications span servo valve control, proportional valve drivers, and high-precision motion tasks in packaging, metalworking, and mobile hydraulics, with a pulse frequency capability of 160–180 Hz to support rapid command-response cycles.