WISKA Hoppmann controller German WISKA Hoppmann model WISKA Hoppmann price

WISKA Hoppmann controllers convert predetermined control schemes and planning instructions into desired mechanical motion under complex conditions, achieving precise position, speed, acceleration, torque, or force control. A motion controller is a specialized device for controlling motor operation modes; for example, a motor drives an object upward to a specified position via a limit switch controlling an AC contactor, then moves downward, or uses a time relay to control forward/reverse rotation or intermittent operation. Motion control applications in robotics and CNC machine tools are more complex than those in dedicated machines, as the latter involve simpler motion forms, often referred to as general motion control (GMC).

WISKA Hoppmann controller classification

Digital I/O: Classified by voltage level: 220VAC, 110VAC, 24VDC; classified by isolation method: relay isolation and transistor isolation. Analog I/O: Classified by signal type: current type (4-20mA, 0-20mA), voltage type (0-10V, 0-5V, -10-10V); classified by precision: 12bit, 14bit, 16bit. In addition to standard IO modules, there are special IO modules, such as RTD, thermocouple, and pulse modules. Module specifications and quantities are determined by the number of I/O points. The number of I/O modules can vary, but the maximum is limited by the CPU's capacity to manage the basic configuration, i.e., the maximum number of backplane or rack slots.

WISKA Hoppmann controller functions

1) Motion planning function: This generates reference values for motion speed and position. Suitable reference values not only improve trajectory accuracy but also reduce requirements for the drive system and mechanical transmission components. General motion controllers typically provide motion planning methods that limit values affecting dynamic trajectory accuracy, such as jerk, acceleration, and speed, allowing users to call corresponding functions directly. Motion planning with acceleration limits produces a trapezoidal velocity profile; motion planning with jerk limits produces an S-shaped velocity profile. Generally, for CNC machine tools, motion planning methods limiting acceleration and speed reference values yield excellent dynamic characteristics. For fast positioning systems with high acceleration and short travel, strict requirements on positioning time and overshoot often necessitate motion planning methods with continuous higher-order derivatives. 2) Multi-axis interpolation and continuous interpolation functions: The multi-axis interpolation function provided by general motion controllers is widely used in the CNC machinery industry. In recent years, rapid development in the engraving market, especially mold engraving machines, has driven the development of continuous interpolation functions in motion controllers. Mold engraving involves processing numerous short line segments, requiring minimal fluctuation in machining speed between segments and smooth transitions at speed change inflection points. This requires motion controllers to have look-ahead speed and continuous interpolation capabilities. Googol Technology's continuous interpolation motion controller, designed specifically for small segment processing, has been successfully applied in mold engraving, laser engraving, and planar cutting. 3) Electronic gear and electronic cam functions: Electronic gears and cams significantly simplify mechanical design and enable functions difficult to achieve with mechanical gears and cams. Electronic gears allow multiple motion axes to move synchronously according to a set gear ratio, making them suitable for fixed-length shearing and shaftless register printing. Additionally, electronic gear functions allow one axis to follow a function defined by the motion of other axes, or to follow the combined speed of two other axes at a set ratio. The electronic cam function allows changing cam profiles via programming without grinding mechanical cams, greatly simplifying processing techniques. This function is well-suited for quenching of mechanical cams, irregular glass cutting, and all-electric spring driving. 4) Compare output function: During motion, when the position reaches a set coordinate point, the motion controller outputs one or more digital signals without affecting the motion process. For example, in AOI flying inspection, the compare output function triggers CCD high-speed imaging at set positions without interrupting motion, significantly improving efficiency and image quality. This function is also well-applied in laser engraving applications using Googol Technology's general motion controller. 5) Probe signal latching function: This latches the moment a probe signal is generated and the positions of all motion axes. Accuracy depends only on hardware circuits, unaffected by software or system inertia, making it suitable for CCM measurement applications. Additionally, more OEM manufacturers wish to integrate their extensive industry application experience into motion control systems, designing personalized motion controller functions for specific applications and control objects. Googol Technology has developed a general motion controller application development platform, providing a truly object-oriented open control structure and system reconfiguration capability. Users can load custom control algorithms into the motion controller's memory, reconstructing a specialized motion controller for specific purposes without altering the control system's structural design.

WISKA Hoppmann controller composition

A motion controller generates trajectory points (desired output) and closes the position feedback loop. Many controllers can also close a velocity loop internally. A drive or amplifier converts the motion controller's control signals (usually speed or torque signals) into higher-power current or voltage signals. More advanced intelligent drives can close position and velocity loops internally for more precise control. An actuator, such as a hydraulic pump, cylinder, linear actuator, or motor, outputs motion. A feedback sensor, such as an optical encoder, resolver, or Hall effect device, feeds back the actuator's position to the position controller to close the position control loop. Numerous mechanical components convert the actuator's motion into the desired form, including gearboxes, shafts, ball screws, timing belts, couplings, and linear and rotary bearings. Typically, a motion control system's functions include speed control and point-to-point control. There are many methods to calculate a motion trajectory, usually based on a motion velocity profile such as triangular, trapezoidal, or S-shaped velocity profiles. Examples include electronic gears (or electronic cams), where the slave axis position mechanically follows the master axis position changes. A simple example is a system with two turntables rotating at a given relative angle. Electronic cams are more complex than electronic gears, allowing the follow relationship between master and slave axes to be a function. This curve can be nonlinear but must be functional.

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