M38S Incremental Magnetic Encoder

Servo-type flange ('Size 15') Ø38 mm | Front centering Ø33 h7 | 8 ÷ 2048 pulses/rotation | Bidirectional version with zero (BZ) | 6000 rpm continuous (12000 with option B) | Ø6.35 h7 stainless steel shaft | Shaft side IP: 64 standard, 66 sealed (Z), 53 low torque (B) | Electronics: Driver 26LS31, Driver ET7272, NPN and NPN Open Collector | Shock resistance: 100 G (6 ms) | Power supply: 5 V, 8÷24 V, 18÷28 V, 10÷30 V, 5÷30 V, 8÷24/5 V, 18÷28/5 V

'Size 15' magnetic incremental encoder with servo-type flange and high degree of protection. Suitable for marine, medical, printing and metal processing applications.

Output signals A, B, and Zero (bidirectional version with zero, BZ), with phase tolerance ±45° and symmetry ±15°. Available electronics: 26LS31 driver (35 mA), ET7272 driver (30 mA), NPN and NPN Open Collector (10 or 70 mA). Resolution from 8 to 2048 pulses per revolution, expandable ×4 by the customer.

Aluminum base and cover, Ø38 mm servo flange, Ø33 h7 centering, and Ø6.35 h7 stainless steel shaft. Maximum continuous speed of 6000 rpm (3000 with sealed Z bearings; 12000 with low-torque B bearings) and operating temperature of -25 to +85 °C. Shaft-side IP rating: 64 standard, 66 sealed (Z), and 53 low torque (B). Available in guemisa.es.

  • Technology incremental magnetic with bidirectional version with zero (BZ).
  • Fixation by means of servo type flange with centering of Ø33 h7 and body of Ø38 mm.
  • Resolution of 8 to 2048 pulses/rotation.
  • Maximum continuous speed of 6000 rpm (12000 rpm with option B) and impact resistance of 100 G (6 ms).
  • IP axis side 64 standard, 66 sealed (Z) and 53 low torque (B); electronics Driver 26LS31 and ET7272.

Technical Frequently Asked Questions

What are the mechanical characteristics of the M38S encoder flange?

Servo type flange in 'Size 15', with body of Ø38 mm and centering of Ø33 h7.

What output electronics are available for the M38S encoder?

Driver 26LS31 (N code, 35 mA), Driver ET7272 (Z code, 30 mA), Standard NPN (10 mA), NPN Open Collector (K codes, 10 mA and R codes, 70 mA) and NPN (Q code, 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 IP66 sealed bearings (option Z) and 12000 continuous rpm with IP53 low torque bearings (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 × 10 9 revolutions
Electric
Exit-side protectionAccording to connection (CV cable: IP65)
Spin impulses8 ÷ 2048 imp/turn (multipliable ×4)
Feeding5 V ±5 % · 8÷24 V · 18÷28 V · 10÷30 V · 5÷30 V · 8÷24/5 V · 18÷28/5 V
Max. consumption.std 50 mA · 90 mA line driver
Output electronicsDriver 26LS31 (35 mA), ET7272 Driver (30 mA), NPN and NPN Open Collector (10 or 70 mA)
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 M38S Incremental Magnetic Encoder
Dimensional drawing of the ELCIS M38S incremental magnetic encoder

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