VT 11724-17 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT 11724-17 is a servo amplifier from the VT 1600 Servo Amplifiers series. It features a maximum output current of 800 mA and operates on a nominal supply voltage of 24 V DC. The amplifier has a coil resistance of 19.5 Ohms at 20°C and uses 6 screw terminals for connection.
Internal Product Review
The VT 11724-17 is a well-designed servo amplifier with a differential input and 24 V DC nominal supply. Stable control performance is supported by an 800 mA max output current and a 200 Hz output stage frequency. IP20 protection and TH 35/7.5 rail mounting make the unit a strong fit for clean, organized panel builds.
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Product Description:
The VT 11724-17 is a plug-in servo amplifier module from the VT 1600 Servo Amplifiers series produced by Bosch Rexroth Indramat. Designed for closed-loop control of hydraulic or pneumatic actuators, the unit receives differential command signals and modulates coil current to position servo valves within industrial automation machinery. Its differential inputs improve noise immunity in electrically noisy industrial environments, while six screw terminals provide straightforward field wiring.
The amplifier operates from a nominal supply of 24 V DC, with an operating range from 21 V to 35 V, so standard control power rails can feed the electronics without a dedicated converter. Internal circuitry draws up to 0.85 A and has a peak power consumption of 22 VA, which helps with cabinet power planning and fuse selection. The output stage can deliver a continuous current of 800 mA to the valve coil, allowing direct control of proportional spools used in medium-flow manifolds. The armature winding has a cold resistance of 19.5 Ω, supporting the electrical load requirements of the connected valve. These operating values allow the module to regulate coil current while responding to changes in the differential command signal.
Pulse-width modulation inside the card switches at 200 Hz, balancing dynamic response with low dither noise in hydraulic circuits. The housing has an IP20 rating, so the module must be mounted inside a protected enclosure on a TH 35/7.5 DIN rail. The housing measures 25 mm wide, 79 mm high, and 85.5 mm deep, allowing multiple modules to be installed side by side in a control panel. Its overall mass is 0.13 kg, placing little load on the rail supports. Upper and lower voltage thresholds work with the differential input arrangement to protect the amplifier from reverse wiring and transient voltage spikes.
