VT-5035-17 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-5035-17 is an IO card from the VT-5000 IO Cards series that weighs 0.15 kg. The card has a minimum supply voltage of 22 V and can handle up to 35 V, with a 2.5 A slow-blow fuse rating. It features inductive and transducer driver outputs of 5 V each with maximum load capacities of 30 mA.
Internal Product Review
The VT-5035-17 is a Bosch Rexroth Indramat VT-5000 IO card built for dependable machine interfacing across a 22 to 35 V supply range. The 5 V per-output driver capability and 30 mA load capacity support clean signaling for transducer and inductive channels. A 2.5 A slow-blow fuse adds practical circuit protection, making this card a solid choice for stable industrial I/O service.
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Product Description:
The VT-5035-17 is an input-output interface card engineered by Bosch Rexroth Indramat for the VT-5000 IO Cards series. Mounted in a standardized Eurocard rack inside hydraulic power units or motion-control cabinets, the board links field devices to the controller backplane through isolated relay contacts and regulated sensor supplies. In industrial automation systems, it converts sensor levels into logic signals and energizes pilot coils, allowing the host PLC to supervise pressure loops, directional valves, and limit switches without additional wiring assemblies.
Primary operating power enters through a DC bus that may vary from 22 V to 35 V, allowing the card to remain functional during battery backup operation or voltage drops across long cables. An onboard converter supplies a balanced ±9 V reference for bridge transducers, helping to minimize output drift. Each inductive or transducer driver channel can source up to 30 mA. The driver amplitude is limited to 5 V per output to prevent coil overexcitation. The card also accepts slow-rising inputs to protect sensitive sensor electronics, while relay-coil supervision reduces chatter as the supply voltage decays.
A field-replaceable 2.5 A slow-blow fuse protects the supply tracks from accidental short circuits during installation and operation. When a relay is energized, its coil resistance of 2150 Ω limits the current draw to approximately 11 mA, helping to keep heat generation low. The contact closes when the coil reaches an activation voltage of 16.8 V, and the coil remains engaged until the bus falls below its 2.4 V release threshold. This operating range supports an orderly shutdown of connected actuators when control power declines. Despite its multiple regulators and drivers, the board weighs only 0.15 kg, so it adds little mass to compact control enclosures and Eurocard rack assemblies.
