Evaluation & Programming Tool
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EPT002 Evaluation and Programming Tool for POSIC Encoder Kits Product data Contents USB cable Interface Board Encoder signals Fig. 3: The Interface Board operated without PC Linear scales Operation with ASSIST software Fig. 1: Evaluation & Programming Tool with linear scales (left), with codewheels (center) or with a gear (right). The exact contents of the EPT is defined in Tables 1 – 3. The Interface Board is operated with a PC using the USB cable and the ASSIST software. Interface Board The board contains several LEDs as listed below: - PWR (red): Interface Board powered via USB - ENC (red): Encoder active - SYSTEM (red): Microcontroller active - PROG (yellow): Programming of encoder’s (One Time Programmable) memory is ongoing - Signal LEDs (red): encoder output signals The encoder signals are visualized by the signal LEDs and can be measured on the TestPins and the Terminal Block. PWR LED ENC LED POSIC Encoder Reference Encoder Fig. 4: The Interface Board operated with PC Signal LEDs ASSIST Software Start/Stop button The ASSIST software allows you to configure, evaluate and linearize POSIC encoder kits. These three functions are available in three windows as explained below. Reset button Terminal block Signal TestPins Microcontroller Ground connection Target holder Linear scale Operation without PC/software The Interface Board is operated without software by connecting the USB-cable to a mains-USB converter or to a PC. Press “Start/Stop” to toggle the encoder on/off. EPT002-PB-V3C The configuration window allows you to: • Choose between rotary and linear measurement • Define the resolution of the reference encoder • Define the codewheel or scale of the POSIC encoder • Select the resolution, maximum speed and orientation of the POSIC encoder • Select the LookUp Table • Program the configuration in the encoder’s OTP (One Time Programmable) memory For evaluation purposes, the encoder can be operated with ASSIST in any configuration. OTP programming is only required for “standalone” operation without ASSIST.

Debug The Debug window allows you to check the Interface Board and the encoder if a problem occurs. Encoder Status The encoder status is shown at the top right side of each window. The indicator turns red when the encoder is activated. The encoder’s supply voltage and current are measured at the moment that the encoder is activated. When the encoder-indicator is off, the encoder is not active and may be disconnected or replaced by another encoder. Evaluation Fig. 7: Encoder status The evaluation window allows to operate the encoder and to visualize the position of the POSIC- and...