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Machine Design

Safety-Related Position Encoder

The Endat 2.2 subsystem consists of an encoder with serial transmission protocol at a maximum frequency of 16 MHz, a data transfer line, and a receiver with monitoring functions.

The ExN 425/427 and ExN 1325/1327 safety-related position encoders are inspected for compliance with ISO 13948-1 and IEC 61508. Reliable transmission of the position is based on two independently generated position values along with any corresponding error bits.

Heidenhain Corp.,
333 E. State Pkwy., Schaumburg, IL 60173,
(847) 490-1191,


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