Anti-Dither Module
BEI Industrial Encoders
Anti-Dither Module
This module can solve the problem of extra counts caused by high vibration. The Anti-Dither module accepts quadrature inputs (A and B signals) and sends a single channel signal to the counter circuitry only when there has been true movement of the encoder. This is especially useful in web processes, handling and inspection systems that use conveyors and simple speed or position control in high vibration environments.
BEI Industrial Encoders Serial-to-Parallel Converter
BEI Industrial Encoders
Serial-to-Parallel Converter
BEI’S serial-to-parallel converter module takes serial data from any BEI Serial Synchronous Interface (S3) or RS-422 Interface (S1) encoders and converts it to a parallel output. This eliminates the high cost and noise susceptibility of long, parallel cable runs, enabling the simplicity of a serial output encoder and a low cost twisted pair cable to interface with a standard PLC or controller. The bright LED indicators give visual status for deserialization, testing and troubleshooting.
Serial input, either SSI or RS-422 is easily selectable by a Format Select terminal directly on the board. In SSI mode, the on-board clock generates pulses to signal the encoder to provide data. Data is received serially and converted to a parallel format. Clock frequency is selectable by a Speed Select terminal, again directly on the board. For 100 feet or less, the 1.25 MHz mode can be used and for longer distances, up to 500 feet, a 200 kHz rate is available.
In RS-422 mode, data is received asynchronously from the encoder and converted to a parallel format. Speed Select input is used to set the baud rate: 19.2 kBaud for most applications, up to 500 feet; 115.2 kBaud for shorter runs below 100 feet.
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