VT 11118-11 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT 11118-11 is part of the VT Servo Amplifiers series and has a nominal voltage of 24 VDC with a maximum current draw of less than 1.3 Amps. It features a ±10 V command input, over 50 kΩ input resistance, and is mounted on a TH 35-7.5 rail. The unit measures 79 mm in height, 40 mm in width, 85.5 mm in depth, and weighs 0.14 kg.
Internal Product Review
The VT 11118-11 is a Bosch Rexroth Indramat servo amplifier designed for dependable motion control with 24 VDC nominal voltage and IP20 protection. A ±10 V command input and input resistance above 50 kΩ support clean signal handling and stable integration with control hardware. Max current draw below 1.3 A keeps panel loading efficient, making the unit a strong choice for compact servo amplifier installations.
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Product Description:
The VT 11118-11 is a compact servo amplifier module produced by Bosch Rexroth Indramat within the VT Servo Amplifiers series. Designed for standard 35 mm DIN rail mounting, it conditions low-power reference signals and supplies regulated drive current in automated machinery. In motion or process control loops, the unit translates controller commands into precise analog outputs, forming a link between control electronics and field actuators.
The amplifier accepts a differential command range of ±10 V, allowing direct connection to most PLC or motion card outputs. A command input resistance greater than 50 kΩ minimizes loading on those sources and helps preserve signal integrity over long cable runs. Internal electronics operate from a nominal supply of 24 VDC, and overall current consumption stays below 1.3 A, so several amplifiers can share a small 24 V power bus. The cabinet enclosure meets the IP20 ingress protection rating, guarding against contact with internal components and entry by solid objects larger than 12.5 mm. The open terminal arrangement also provides direct access to the connections during panel wiring.
Overcurrent protection on the supply line is provided by a quick-acting 3.5 A fuse that disconnects the module before the printed circuit board traces reach an unsafe temperature. The electronics tolerate transient voltages up to 35 V, providing additional margin when long supply lines experience voltage surges. The module measures 79 mm high and 85.5 mm deep, while its frontal width is 40 mm. This narrow profile permits dense placement along the TH 35-7.5 rail while leaving all 12 terminals accessible for field conductors. Despite its metal shielding, the unit weighs only 0.14 kg, limiting the load placed on lightweight control enclosures. An enable input with a resistance greater than 3 kΩ, an activation threshold above 10 V, and a release level below 8 V allows external control logic to remove the drive output without interrupting the main supply.
