VT-HNC100-1-P4/P-I-00/000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-HNC100-1-P4/P-I-00/000 is part of the VT-HNC Digital Axis Controllers series and is designed for use with one hydraulic axis. It features 4 voltage input channels, 4 voltage output channels, and a current input resistance of 100 Ohms. The controller also offers a DAC resolution of 1.25 mV and has a power consumption of 8 Watts.
Internal Product Review
The VT-HNC100-1-P4/P-I-00/000 is a well-engineered digital axis controller configured for 1 hydraulic axis. Fine signal handling comes from 5 μA current input resolution and 1.25 mV DAC resolution. A 250 kHz incremental max frequency supports responsive closed-loop performance, making the controller a strong fit for precise hydraulic motion control.
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Product Description:
The VT-HNC100-1-P4/P-I-00/000 is a digital axis controller produced by Bosch Rexroth Indramat for the VT-HNC Digital Axis Controllers series. The unit governs hydraulic motion by executing numerical trajectories, reading sensor feedback, and outputting proportional drive signals. Designed for a single hydraulic axis, it fits into electrical cabinets and connects to setup tools through an RS-232 service port. In presses, plastic machines, or test stands, it acts as the local motion processor, relieving the main PLC of high-speed control tasks while maintaining precise cylinder position and velocity.
Its four voltage input channels have an impedance of 200 kΩ ±2% and capture transducer signals in 5 mV steps, while the dedicated current input has a resistance of 100 Ω ±0.2% and is digitized in 5 µA steps. Analog command outputs originate from a converter with a resolution of 1.25 mV per step, allowing fine valve positioning. Nonvolatile storage consists of 1 MB of flash EPROM supported by 8 KB of EEPROM for machine parameters. Incremental encoder inputs tolerate edge rates up to 250 kHz, supporting high-speed axes. Setup and diagnostics occur over the RS-232 interface at 9.6 kbaud.
Closed-loop algorithms run in 256 KB of RAM, and four analog outputs can source or sink ±10 mA, matching common proportional valve coils. Total power demand is 8 W, so the card adds minimal thermal load to the panel. When absolute feedback is required, the SSI channel receives words up to 28 bits, complementing the incremental encoder input. The device has no bus connection or inductive position sensor, so a fieldbus adapter or LVDT module must be added separately when either function is required. Axis functionality is limited to one hydraulic cylinder, and the available I/O coordinates pressure, position, and velocity loops.
