VT 11023-16 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT 11023-16 is part of the VT Servo Amplifiers series and has a nominal operating voltage of 24 VDC. It features a 12-pin terminal strip connection and has a maximum current consumption of 2 A. The housing size is 40 x 79 x 85.5 mm, and the unit weighs 0.14 kg.
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Product Description:
The VT 11023-16 is a DIN-rail mounted servo amplifier card produced by Bosch Rexroth Indramat for the VT Servo Amplifiers series. It conditions a ±10 V position command, drives a proportional valve coil, and energizes an LVDT transducer so hydraulic spools can be positioned with analog feedback. The card’s compact housing, measuring 40 × 79 × 85.5 mm, lets machine builders place it inside crowded electrical panels without extra brackets while the 12-pin terminal strip provides quick screw-clamp wiring to PLCs and field devices.
The amplifier operates from a nominal supply of 24 VDC and presents a differential input impedance of 50 kΩ to avoid loading low-power motion controllers. A dedicated output stage supplies up to 1.8 A of coil current against a 5.4 Ω solenoid, giving the valve predictable magnet force across its stroke. Internally, a clock running at 5.8 kHz excites the LVDT secondary, and the generated feedback signal is demodulated for closed-loop correction. Acceleration or deceleration of the controlled axis can be shaped with a maximum ramp of 5 s, preventing hydraulic shock when large loads are started or stopped.
Additional parameters refine installation and safety. Each output channel is limited to an amplitude of 5 V, matching common LVDT primaries, while feedback travel is accepted up to 2.8 mm so the card fits short-stroke servovalves. It clips onto the NS 35/7.5 rail and draws no more than 2 A, allowing the upstream 3 A fuse to clear faults without nuisance trips. Release of the enable line occurs below 8.5 V to ensure the valve is de-energized during undervoltage events, and a 30 mA transducer drive channel keeps excitation within sensor limits. Despite these functions, the module weighs only 0.14 kg, which minimizes mechanical load on lightweight control enclosures.
Frequently Asked Questions about VT 11023-16:
Q: What type of connection does the VT 11023-16 servo amplifier use?
A: The VT 11023-16 uses a 12-pin terminal strip for its connection.
Q: What is the nominal operating voltage for the VT 11023-16?
A: This servo amplifier operates on a nominal voltage of 24 VDC.
Q: What is the maximum current consumption of the VT 11023-16?
A: The maximum current consumption for the VT 11023-16 is 2 A.
Q: What is the maximum transducer stroke supported by the VT 11023-16?
A: The VT 11023-16 supports a maximum transducer stroke of 2.8 mm.
Q: What is the fuse rating for the VT 11023-16 amplifier?
A: This model has a fuse rating of 3 A to protect its circuitry.
