VT-11023 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
The Bosch Rexroth Indramat VT-11023 is part of the VT Servo Amplifiers series and operates at 24 VDC with a maximum current consumption of 2 A. The amplifier features a 12-pin terminal strip connection, supports solenoid currents up to 1.8 A, and has dimensions of 40 x 79 x 85.5 mm. It weighs 0.14 kg and comes with a fuse rated for 3 A.
Internal Product Review
The VT-11023 is a Bosch Rexroth Indramat servo amplifier designed for stable 24 VDC operation with a 12-pin terminal strip connection. A 50 kΩ differential input resistance and 5.8 kHz oscillator frequency support clean signal handling and responsive control behavior. Strong output staging with 1.8 A solenoid max current makes the VT-11023 a dependable choice for precision servo applications.
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Product Description:
The VT-11023 is a servo amplifier module manufactured by Bosch Rexroth Indramat for the VT Servo Amplifiers series. Installed between a motion controller and a proportional hydraulic valve, it converts low-level command voltages into regulated current so that industrial machines can position valve spools precisely or maintain process pressure. The board mounts on a DIN rail and interfaces with system wiring through a detachable terminal strip, providing convenient access to the electrical connections.
It is powered from an input of 24 VDC and draws power through a 3 A miniature fuse. Field wiring connects to a 12-pin terminal strip, and the differential input presents 50 kΩ of resistance so that it does not place an excessive load on analog reference sources. A pulse-width oscillator operating at 5.8 kHz is internally scaled to a carrier amplitude of 5 V. This signal is modulated by the command voltage and then gated to a power stage that can deliver up to 1.8 A to a proportional solenoid with a coil resistance of 5.4 Ω. The driver output for LVDT or potentiometer feedback is limited to 30 mA, and the electronics consume no more than 2 A during full-stroke operation. Control becomes active once the supply exceeds the 8.5 V release threshold.
The displacement feedback channel accommodates transducer movement of up to 2.8 mm. The control window opens at the lower limit of 21 V and remains linear until the card reaches an upper boundary of 35 V, providing adequate tolerance for supply ripple in mobile or plant power systems. The assembly has compact dimensions of 40 × 79 × 85.5 mm, allowing it to fit into control enclosures with limited installation space. It weighs only 0.14 kg, so it can be clipped onto light-gauge DIN rails without additional bracing. Placing the amplifier close to the hydraulic valve can shorten field wiring while keeping the detachable terminal strip accessible for inspection and connection work.
