PILOTTM MOTION PROCESSOR FOR BRUSHED SERVO MOTION CONTROL MC3110 ICS

The MC3110 has a pre-programmed PID filter with feedforward velocity and acceleration that can be scaled and a bias offset. The chip also supports a 32-bit position error. The PID filter operates at 100?sec loop cycle time. Trace capabilities provide on-the-fly data storage to an external RAM for analyzing system performance, tuning servo filters and performing maintenance and diagnostics. The motion processor accepts feedback from an incremental encoder or from an absolute encoder or resolver at rates up to 160 megacounts per second. 16-bit DAC or 10-bit, 20kHz PWM compatible output signals are supported. Multiple breakpoints offer precise sequencing and control of events by the application program. PLC-style instructions are provided, which operate on inputs and set outputs. The instructions use Event, Activity and Signal registers. Input signals include two limit switches (one for each direction of travel), home indicator and a general-purpose programmable input. One general-purpose programmable output signal is also provided. Eight general-purpose analog (0-5 V) and 256 (16-bit wide) general-purpose discrete inputs/outputs are

The Pilot^TM single-axis, single chip motion processor for brushed servo motor control is ideal for embedded systems for industrial control, automation and robotic applications. The chip is a 132-pin device, surface mount CMOS technology and powered by 5 volts. The motion processor is driven by a host microprocessor through an asynchronous bi-directional serial port or through a 16-bit microprocessor-style parallel interface, giving users the ability to offload resource intensive motion control functions from the applications host. With over 150 commands, PMDs instruction set offers flexibility and versatility to board designers and software applications programmers. Instructions are used to initialize and control the motion processor. User selectable profiling modes supported by the motion processor include S-curve, trapezoidal, velocity contouring and user-defined. The MC3110 accepts input parameters such as position, velocity and acceleration from the host and generates a corresponding trajectory.

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