VT-HNC100-1-23-W-08-0-0 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-HNC100-1-23-W-08-0-0 is part of the VT-HNC Digital Axis Controllers series and is designed for control of 1 hydraulic axis. This model provides 4 analog input channels for voltage, current, and impedance, and offers 8 digital input/output channels. It features a 16/32-bit MC68376 processor, 1 MB flash memory, and weighs 1.0 kg.
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Product Description:
The VT-HNC100-1-23-W-08-0-0 digital axis controller is produced by Bosch Rexroth Indramat and belongs to the VT-HNC Digital Axis Controllers series. It is a single-axis unit intended to govern proportional or servo valves on one hydraulic axis, converting program commands into position, velocity, and pressure loops for machinery. Installed on a wall inside the control cabinet, the controller interfaces with analog sensors and drives to provide closed-loop motion control in presses, forming machines, and automated hydraulic equipment.
This version operates without a fieldbus interface, so all signals come through discrete wiring. The unit supports 4 voltage, 4 current, and 4 impedance analog inputs, allowing simultaneous acquisition of pressure transducers, position potentiometers, and differential strain gauges. Command signals are issued through 4 voltage and 2 current analog outputs that can drive valve electronics or external indicators. Eight configurable digital channels provide 8 input/output lines for limit switches and machine interlocks. The compact housing measures 71 × 155 × 204 mm, a size that simplifies panel layout and keeps wiring runs short. Inside, a 16/32-bit MC68376 microcontroller executes the closed-loop algorithms and manages interrupt-driven I/O tasks.
Program code and parameter tables reside in 1 MB of flash, 8 KB of EEPROM, and 256 KB of RAM, giving nonvolatile storage for machine data and working memory for real-time calculations. The controller can process incremental encoders at frequencies up to 250 kHz. The reference stage provides ±10 V ±25 mV for sensor excitation and bipolar command scaling. To maintain signal integrity, the voltage outputs require a minimum load of 1 kΩ. Serial diagnostics are available over an RS-232 port at 9.6 kBaud. The assembly is component series 2, contains no evaluation electronics, is supplied without an inductive position sensor, and weighs only 1.0 kg.
