VT-HNC100-1-1X-134-6 Bosch Rexroth Indramat
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MPN: R900917430
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The Bosch Rexroth Indramat VT-HNC100-1-1X-134-6 is part of the VT-HNC Digital Axis Controllers series and features a version for one hydraulic axis. It includes four current input channels with a resolution of 5 microamperes and four voltage input channels at a 5 millivolt resolution. The controller operates with an MC68376 processor, 1 MB of flash memory, and an RS232 standard serial interface at 9.6 KBaud.
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Product Description:
The VT-HNC100-1-1X-134-6 digital axis controller is produced by Bosch Rexroth Indramat for the VT-HNC Digital Axis Controllers series. Engineered as a dedicated control unit for one hydraulic axis, it closes position, speed, and force loops by processing sensor data and issuing analog or current-controlled commands to proportional valves. This arrangement supports precise hydraulic motion on equipment that depends on stable closed-loop response during repeated cycles. In industrial automation, it serves as the local axis brain, interfacing with higher-level PLCs through a serial link and executing deterministic motion sequences for presses, die-casting machines, or test rigs.
The analog output resolution is 1.25 mV, enabling small command steps to hydraulic valves. Four measuring paths accept current feedback with a conversion granularity of 5 µA, and the hardware provides 4 current input channels for transducers such as pressure sensors. The unit also has 2 current output channels that drive servo valves directly. Voltage handling includes four inputs digitized at 5 mV per step and four outputs that reproduce setpoints. Quadrature encoders can be tracked up to 250 kHz, while two inductive transducer ports accommodate LVDTs for cylinder position. The controller communicates with host equipment through an RS232 interface running at 9.6 kBaud. This unit is the version for a single hydraulic axis and belongs to component series 1.
Computation is handled by the MC68376 microcontroller, which supervises closed-loop tasks while drawing only 8 W from the control cabinet supply. Program code resides in 1 MB of flash, backed by 256 KB of RAM for scratch variables and 8 KB of EEPROM that safeguards calibration data. All analog circuitry references a stabilized ±10 V ±25 mV source so that voltage inputs and outputs maintain predictable offsets despite load fluctuations. The VT-HNC100 integrates processing, memory, and dedicated I/O resources for the Digital NC control HNC100 product series without external expansion cards.
