Product Description:

The VT-HNC100-1-3X-S-I-30-000 is a motion control module manufactured by Bosch Rexroth Indramat for the VT-HNC Digital Axis Controllers series. It is intended to close the loop on a single hydraulic axis by comparing feedback from position transducers with setpoints issued by the plant PLC and then modulating proportional valve currents accordingly. This arrangement lets presses, forming machines, or endurance test rigs achieve repeatable stroke profiles without installing separate electronic boards for signal conditioning. The unit mounts on a DIN rail inside the cabinet, and its internal power rails feed both encoders and external sensors to simplify wiring.

The controller carries a protection rating of IP20, so live circuitry must remain behind an enclosure panel during operation. Each analog voltage output can drive loads down to 500 Ω, letting it operate most servo-proportional valve stages directly. A 16-bit converter gives the outputs a resolution of 1.25 mV, which keeps commanded motion smooth even if the host PLC issues coarse values. Incremental encoder inputs accept edge frequencies up to 250 kHz, and this bandwidth accommodates fine-pitch scales running at high linear speeds without missing counts. To energize encoders, the 5.25 V supply line delivers up to 400 mA, eliminating the need for an external power module while tolerating long cable runs.

Signal integrity on the current outputs is maintained by a minimum load requirement of 1 kΩ, which helps prevent drift caused by high-impedance wiring. An auxiliary sensor rail supplies a steady 200 mA at 15 V for LVDTs, pressure cells, or potentiometric transducers. When an external reference is not available, the module provides an internal source of +10 V ±25 mV so panel-mounted joysticks or trim potentiometers can be wired directly. Mechanical installation is uncomplicated because the unit weighs only 585 g and measures 120 mm (h) × 71 mm (w) × 124 mm (d), allowing it to fit alongside other control equipment without expanding the cabinet footprint.