VT3006-37 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT3006-37 is an analog amplifier from the VT 3000 Analog Amplifiers series with a maximum output current of 800 mA and power consumption of 30 W. It operates with a 24 VDC power supply voltage with ±10% tolerance and features 6 contact relays. The amplifier has a differential input of 10 V and weighs 0.15 kg.
Internal Product Review
The VT3006-37 is a Bosch Rexroth Indramat analog amplifier designed for stable control performance, with a 24 VDC ±10% power supply and 800 mA maximum output current. Signal conditioning is especially capable, supported by a 10 V differential input and an additional command input of ±6 V. Strong electrical characteristics and straightforward panel integration make the unit a dependable choice for hydraulic and motion control applications.
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Product Description:
The VT3006-37 is an analog amplifier card produced by Bosch Rexroth Indramat for the VT 3000 Analog Amplifiers series. Installed in an automation cabinet, it conditions low-level control signals and supplies regulated current to proportional solenoid valves. This arrangement allows a PLC to modulate hydraulic pressure or flow without routing high-power valve wiring directly through the controller. The card is suitable for hydraulic systems that require adjustable solenoid current and stable analog command processing.
The module accepts a differential input of 10 V, providing noise immunity over long cable runs. Its output stage can source up to 800 mA for medium-sized proportional coils, which must have a resistance no greater than 19.5 Ω. Internal electronics operate from a 24 VDC ±10% supply, allowing the board to continue functioning during moderate cabinet-voltage fluctuations. Power demand is 30 W, and a front-edge fuse rated at 2.5 A limits fault energy before the backplane protection opens. The main control channel supports ±9 V steering, while a separate command input accepts ±6 V for an independently scalable reference. The external circuit should present an input load of at least 500 Ω. Signal interfaces use 5.08 mm division spacing, and the faceplate occupies eight divisions to align the card with standard Euro-rack guides.
The zero offset is measured at +9 V, allowing the initial valve position to be anticipated before software adjustment. A minimum bias current of 20 mA keeps valve sleeves centered against spring forces. Six contact relays provide status feedback to connected safety interlocks. Temperature drift is limited to 0.5 ‰/K, supporting stable flow control as cabinet temperature changes. The board projects only 5 mm above adjacent units, while the complete assembly weighs 0.15 kg. The card’s compact profile reduces interference with neighboring rack components, and its auxiliary ±6 V command input supports an additional control reference for multi-loop hydraulic systems.
