VT-HNC100-1-10-CB1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-HNC100-1-10-CB1 is part of the VT-HNC Digital Axis Controllers series and features a version for 1 hydraulic axis. It comes equipped with a 16/32-bit MC68376 processor, 256 KB of RAM, 1 MB of flash memory, and has a power consumption of 8 watts. This controller provides 4 voltage and 4 current inputs, supports 2 current outputs and 4 voltage outputs, and can handle encoder frequencies up to 250 kHz.
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Product Description:
The VT-HNC100-1-10-CB1 is a digital axis controller produced by Bosch Rexroth Indramat in the VT-HNC Digital Axis Controllers series. It serves as the command and feedback core for hydraulic positioning systems, converting sensor signals into drive commands so a machine tool, press, or molding line can synchronize one hydraulic axis with the main automation cycle. Analog and serial interfaces position the module between field devices and the plant PLC without extra conversion hardware, and by embedding control logic close to the actuator it shortens loop times and improves motion accuracy.
This configuration is the Version for 1 hydraulic axis, and it accepts 4 differential current inputs that present a 100 Ω resistance with a 5 µA resolution for precise monitoring of valve or pressure transducer currents. An equal number of voltage inputs is available, buffered by 200 kΩ impedance and digitized in 5 mV steps to minimize loading on delicate sensor lines. The incremental encoder channel tolerates edge counts up to 250 kHz, while firmware, motion profiles, and diagnostic logs are stored in 1 MB of flash. Overall demand remains below 8 W, and commissioning occurs through an RS-232 port set at 9.6 KBaud.
Two analog voltage outputs and two current outputs deliver command signals to proportional valves, and four further voltage outputs support reference channels. Each analog output refreshes with a granularity of 1.25 mV, enabling fine pressure or position trimming. Control algorithms run on a 16/32-bit MC68376 processor assisted by 256 KB of RAM for real-time buffers. The internal reference source is trimmed to ±25 mV for predictable scaling, and the voltage input path maintains a 200 kΩ ±2 % impedance that shields sensor lines from loading effects. These resources allow closed-loop hydraulic control without external computing hardware.
