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Safety Rotary Encoders with PROFISAFE Interface

New POSITAL Absolute Encoders for Safety-Critical Systems

POSITAL has expanded its family of IXARC absolute rotary encoders to include models explicitly designed for use in safety-critical motion control systems. The new encoders feature redundant measurement elements and are certified to Safety Integrity Level 2 (SIL 2) and Performance Level d (PL d). They feature a PROFINET communications interface and support the PROFIsafe protocol.

PROFIsafe-based control systems are used for critical applications such as industrial robots or material handling equipment, where loss of control could result inhazardous situation. The encoder transmits a safety position and/or safety velocity value.

  • Reliable Redundant Magnetic Measurement
  • Safety Integrity Level 2 (SIL 2) and Performance Level d (PL d)
  • High Vibration and Shock Resistance
  • Saltwater Resistant
  • Protection Class up to IP69K
  • Status LED's
  • Counts up to 4,096 Absolute Turns
  • Maximum Resolution of 13 bit Real Time
  • Accuracy of up to ±0,2%
  • Clamp, Synchro and Blind-Hollow Flanges Available

Reliable Magnetic Measurement Technology

At the heart of the new SIL 2-certified encoder is POSITAL's extremely reliable magnetic measurement technology. The sensing elements in these devices are more mechanically rugged than optical measurement systems and significantly more resistant to presence of condensation and dust.

Moreover, with no direct contact between sensing elements, IXARC magnetic encoders will retain their accuracy and reliability over long lifetimes.

Versions with multi-turn capabilities have a 12 bit (4096 rotation) measurement range. The measurement system is backed up by advanced signal processing and interface software that supports a full range of PROFINET and PROFIsafe capabilities, including prioritized startup, media redundancy and the possibility of firmware updates through the PROFINET communications network.

Ethernet bridging functionality is built into the communications interface, which makes it possible to make use a variety of network topologies.

System troubleshooting is simplified by the presence of LEDs that indicate the device's operating status and helps to isolate faults.


For more product information contact: Adrian Smith (PCA)
Ph: 02 9482 3733 www.pca-aus.com.au



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