M38 Incremental Magnetic Encoder

Aluminum housing Ø38 mm | Resolution from 8 to 2048 pulses/rotation | Bidirectional version with zero (BZ) | Up to 12000 continuous rpm (option B) | Ø6.35 h7 stainless steel spindle | Shaft-side protection IP64 / IP66 sealed (Z) | Oil and liquid immunity | Line Driver 26LS31, ET7272 and NPN electronics | Impact resistance 100 G (6 ms) | Power supply 5÷30 V

Incremental magnetic encoder with a high degree of protection and immunity to oils and liquids, suitable for marine, medical, printing and metal processing applications.

Output signals A, B and Zero (bidirectional version with zero, BZ), with phase tolerance of ±45° and symmetry of ±15°. Output electronics: Line Driver 26LS31 (N), Line Driver ET7272 (Z), NPN and NPN Open Collector.

Aluminum housing, Ø38 mm, with centering Ø17.46 h7 and stainless steel shaft, Ø6.35 h7. Maximum continuous speed of 6000 rpm (standard), 3000 rpm with sealed bearings (Z), and 12000 rpm with low-torque bearings (B); operating temperature from -25 to +85 °C. Available in guemisa.es.

  • Technology incremental magnetic with immunity to oils and liquids.
  • Casing Ø38 mm and weight of 100 g.
  • Resolution of 8 to 2048 pulses/rotation, bidirectional version with zero (BZ).
  • Until 12000 rpm continuous (option B) and impact resistance of 100 G (6 ms).
  • axle-side protection up to IP66 (sealed bearings, Z) and electronics Line Driver 26LS31 and ET7272.

Technical Frequently Asked Questions

What immunity and protection does the M38 encoder have against liquids?

The manufacturer describes it as a magnetic encoder with a high degree of protection and immunity to oils and liquids. Shaft-side protection: IP64 standard, IP66 with sealed bearings (Z), and IP53 with low-torque bearings (B). Output-side protection: depending on the connection (IP65 with CV cable).

What output electronics are available for the M38 encoder?

Line Driver 26LS31 (N, 35 mA), Line Driver ET7272 (Z, 30 mA), Standard NPN (no code, 10 mA), NPN Open Collector (K, 10 mA; R, 70 mA) and NPN (Q, 70 mA).

What rotation speed and protection level options does it offer?

It offers 6000 rpm with IP64 in the standard version, 3000 rpm with sealed IP66 protection (option Z) and 12000 continuous rpm with low torque IP53 (option B).

Properties

FeatureSpecification
Mechanics
Base and lidAluminum
Weight100 g
AxisØ6.35 h7 stainless steel
max radial/axial load.1 kg
Starting torque12 g·cm standard · 30 g·cm sealed · 8 g·cm low torque
bearing life1.5 × 10⁹ revolutions
Electric
Exit-side protectionAccording to connection: IP65 with CV cable and with connectors at the end of the cable
Spin impulses8 ÷ 2048 imp/giro (multipliable ×4 by the client)
Feeding5÷30 V (possible values: 5 V ±5 %, 8÷24 V, 8÷24/5 V, 18÷28 V, 18÷28/5 V, 10÷30 V, 5÷30 V)
Max. consumption.std 50 mA · 90 mA line driver
Output electronicsLine Driver (26LS31, ET7272), NPN, NPN Open Collector
Protection and environment
axle-side protectionIP64 standard • IP66 sealed (Z) • IP53 low torque (B)
max. continuous RPM6000 standard · 3000 sealed · 12000 low torque (intermittent: +30 %)
Impact/vibration resistance100 G (6 ms) · 10 G (55 ÷ 2000 Hz)
Operating/storage temperature-25 … +85 °C / -30 … +85 °C
ELCIS M38 Incremental Magnetic Encoder
Dimensional drawing of the ELCIS M38 incremental magnetic encoder

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