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VT 3000 S 35 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat VT 3000 S 35 is part of the VT 3000 Analog Amplifiers series and features a 32-pin Eurocard connector format. It has a maximum output current of 800 mA and operates with a power supply voltage of 24 VDC plus or minus 10 percent. The amplifier weighs 0.15 kilograms and supports 4 input potentiometers.

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Product Description:

The VT 3000 S 35 is an analog amplifier card manufactured by Bosch Rexroth Indramat as part of the VT 3000 Analog Amplifiers series. Installed in a modular rack, the card interfaces between a machine controller and proportional solenoid valves. It converts reference commands into a regulated current that positions or meters hydraulic actuators, enabling closed-loop speed, force, or pressure control in industrial automation cells such as presses, plastics machines, and conveyor systems while maintaining electrical isolation between the logic level circuitry and the high-power valve coils.

Normal operation is supported by a supply of 24 VDC ±10%; within this envelope the internal circuitry draws up to 30 W to power signal-conditioning stages and output drivers. The driver channel can deliver a peak of 800 mA so that high-response proportional coils achieve full stroke without external boosters. A front-mounted fuse rated at 2.5 A protects the card from sustained overloads or wiring faults and can be replaced without withdrawing the board. Command information is received as a differential reference of 10 V, allowing noise-immune transmission over shielded pairs in electrically noisy plant environments.

Fine adjustment is handled through four onboard potentiometers that scale the incoming control span of ±9 V to match individual valve characteristics while honoring a maximum coil resistance of 19.5 Ω; staying below this limit ensures the amplifier can deliver programmed current without saturating. Thermal stability is aided by a temperature drift figure of 0.5 ‰/K, so output does not deviate appreciably as ambient conditions vary. All electrical connections are routed through a back-plane compatible 32-pin Eurocard connector, and the 0.15 kg module occupies seven 5.08 mm divisions on the component side and one division on the conductor side of the rack.

Component Side Space
7 Divisions
Conductor Side Space
1 Division
Connector Format
32-pin Eurocard
Differential Input
10 V
Division Width
5.08 mm
Face Plate Width
8 Divisions
Fuse Rating
2.5 A
Input Control Voltage
±9 V
Input Potentiometers
4
Maximum Coil Resistance
19.5 Ω
Maximum Output Current
800 mA
Minimum Bias Current
20 mA
Power Requirement
30 W
Power Supply Voltage
24 VDC ±10%
Temperature Drift
0.5‰/K
Weight
0.15 kg
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Frequently Asked Questions about VT 3000 S 35:

Q: What type of connector does the VT 3000 S 35 amplifier use?

A: The VT 3000 S 35 uses a 32-pin Eurocard connector format for electrical connections.

Q: What is the maximum output current of the VT 3000 S 35?

A: This amplifier operates with a maximum output current of 800 mA.

Q: What is the input control voltage for the VT 3000 S 35?

A: The input control voltage for this model is ±9 V.

Q: What fuse rating is provided with the VT 3000 S 35 amplifier?

A: The VT 3000 S 35 has a fuse rating of 2.5 A for circuit protection.

Q: What power supply voltage does the VT 3000 S 35 require?

A: This unit requires a power supply voltage of 24 VDC with a tolerance of ±10%.


Internal Product Review

  • ‘‘The VT 3000 S 35 is a Bosch Rexroth Indramat analog amplifier designed for precise control tasks, with a 24 VDC ±10% supply and 800 mA maximum output current. A 10 V differential input and 0.5‰/K temperature drift support stable signal handling and consistent tuning in demanding analog control circuits. Strong electrical characteristics make the unit a dependable choice for compact amplifier installations.’’

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