POSITAL offers two- and four-wire single-cable connections for motors

Wednesday March 20, 2019
March 20, 2019 – POSITAL has added two- and four-wire versions of the single-cable BiSS Line interface for its family of motor feedback kit encoders, allowing for compatibility with PLCs and controllers from most major manufacturers.

Single-cable connectivity provides motor manufacturers, machine builders and system integrators a way to build absolute position feedback into devices such as servo motors, stepper motors and robotic joints.

With the four-wire version, there are separate wire pairs for power and data transmission, with both wire pairs packaged in a single cable.

Interfaces for POSITAL’s kit encoders make use of the BiSS series of open-source data communications protocols, which include forward error correction (FEC) based on Reed-Solomon coding that detects and corrects transmission errors at the receiver, reducing the need for retransmission.

This ensures high availability of the interface, even under difficult environmental conditions, and makes it possible to use simple hybrid motor cables, even where motor brakes are used.

The BiSS implementation of FEC has a bus cycle time of 62.5 µs, ensuring dynamic response. Device configuration is handled in a consistent manner for BiSS C, BiSS Line two-wire and BiSS Line four-wire implementations. BiSS technology can be licensed from the BiSS Association e.V at no cost.

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