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AMPH 41

Product catalog summary

Overview: The Absolute Encoder AMPH 41 is designed for use with PROFIBUS-DP and PROFIsafe protocols, featuring a hollow shaft type and ensuring functional safety compliant with EN 61508: SIL CL3 and EN ISO 13849: PL e standards. It offers a 13-bit resolution with 32,768 revolutions and provides incremental signals for position feedback with 4,096 pulses.

Specifications:

Electrical Data: Operates on a supply voltage of 13-27 V DC with a current consumption of less than 150 mA at 24 V DC. It supports a baud rate from 9.6 kbit/s to 12 Mbit/s and features a binary output code.
Mechanical Data: Weighs approximately 3.1 kg with a permissible speed of ≤ 4000 min-1 for IP54 protection and ≤ 2000 min-1 for IP66 protection. The rotor moment of inertia is approximately 1085 gcm² for IP54 and 785 gcm² for IP66.
Environmental Conditions: The encoder can withstand vibrations up to 100 m/s² and shocks up to 1000 m/s². It operates within a temperature range of -25 to +70 °C and can be stored at -30 to +60 °C in dry conditions.

Safety and Compliance: The encoder features two redundant scanning systems with internal cross-comparison for safety. It complies with various EMC standards, including EN 61000-6-2:2005 for immunity to disturbance and EN 61000-6-3:2007 for transient emissions.

Additional Features: Includes programmable parameters such as integration time, monitoring window size, standstill tolerance, and counting direction. The degree of protection is IP54 with a labyrinth seal and IP66 with an axial shaft seal.

Catalog excerpts

Absolute Encoder AMPH 41 – PROFIBUS / PROFIsafe  PROFIBUS-DP interface with PROFIsafe protocol  Type with hollow shaft  Functional safety according to - EN 61508: - EN ISO 13849: 13 Bit resolution, 32768 revolutions Incremental signals for position feedback, 4096 pulses Construction type: Hollow shaft Ø20 H7 with feather keyway Degrees of protection: IP54 (labyrinth seal) and IP66 (axial shaft seal) Electrical Data Supply voltage Current consumption without load Singleturn resolution Multiturn resolution Output code Additional features Incremental output without reference pulse 1…99, adjustable by means of rotary switches Baud rate velocity output in increments/integration time, safe Safety principle 2 redundant scanning systems with internal cross comparison Safety of the total system - T1, proof test - PFH, "High demand" operating mode - PFDav (T = 20 a) - MTTFd high - DCavg high Parameter1) - Integration time, safe / unsafe - Size of monitoring window - Standstill tolerance Preset - Direction of counting 50 ms…500 ms / 5 ms…500 ms 50…4000 increments 1…5 increments/integration time, safe Forward, Backward secured programmable parameter Mechanical Data Mass Mechanically permissible speed - Degree of protection IP54 - Degree of protection IP66 Rotor moment of inertia - Degree of protection IP54 - Degree of protection IP66 approx. 1085 gcm² approx. 785 gcm² Breakaway torque - Degree of protection IP54 - Degree of protection IP66 Johannes Huebner Fabrik elektrischer Maschinen GmbH Siemensstrasse 7 35394 Giessen / GERMANY Modifications reserved

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protective conductor terminal MS - nominal cross section 4,0 mnt panel jack Spin, a-coded panel jade Spin, a-coded panel connector 4pin. a-coded axial tightening disc micro adhesive coated Lieferumfang / scope of supply Abschlussdeckel / cover Zur Einhaltung der Schutzart erfbrderlich Necessary to compliance degree of protection panel jack Spin, b-coded dummy plug M20x1,5 - transparent panel connector Spin, b-coded

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