A/MM65 Multi-Turn Absolute Encoder

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Ø65 mm, shaft Ø10 h7 | Up to 2²⁴ steps in 4096 turns | Gray or binary | Parallel NPN 70 mA or SSI RS422 | Power supply 5 ±5 %, 8–24 or 18–28 V | IP64 shaft (IP65 sealed) | Max. radial/axial load 8 kg

The ELCIS MM65 (A/MM65) is a standard Ø65 mm housing optical multi-turn absolute encoder, up to 224 Steps in 4096 turns in Gray or binary code, with parallel NPN or SSI RS422 output. For industrial applications, with Ø10 h7 stainless steel shaft that supports 8 kg of radial/axial load, resistance to 50 G of impact and 12 G of vibration, operation between 0 and +70 °C and IP65 protection with SM6 connector.

As an optical multi-turn absolute encoder, with LED source and phototransistors, the A/MM65 encodes the position in Gray or Binary, up to 224 Steps in 4096 turns. The reading is output via parallel interface, with Latch option, or via SSI serial interface (RS422) in Gray code.

With a standard Ø65 mm housing and a Ø10 h7 stainless steel shaft that supports 8 kg of radial/axial load, it operates between 0 and +70 °C with IP64 protection on the shaft side (IP65 in the sealed version).

  • Resolution of up to 224 steps in 4096 laps (Gray/Binary).
  • Three power ranges: 5 V ±5 %, 8–24 V and 18–28 V.
  • NPN open collector or emitter output stages 70 mA with PTC.
  • Shock resistance of 50 G (11 ms) already vibrations of 12 G (10–2000 Hz).

Technical Frequently Asked Questions

What resolutions does the A/MM65 offer?

In Gray and Binary, 16, 32, 64, 128, 256, 512, 1024, 2048 or 4096 steps per revolution and 16, 256 or 4096 revolutions, up to 224 steps. Other solutions available upon request.

Can the SSI interface be used with binary code?

No. The manufacturer states that the SSI serial output is only available with Gray code (or Excess). For binary, the parallel interface is used, where the Latch input is standard.

What connectors does it support and with what level of protection?

CM6 and SM6 32-pin (IP65 / IP66), CL and SL 10-pin (IP65 / IP66) and CH 12-pin (IP65), with radial (R) or axial output depending on the connector.

Properties

FeatureSpecification
Mechanics
Weight550 g
AxisØ10 h7 stainless steel (available sizes: Ø8, Ø12, Ø12.7, upon request) (customizable upon request)
max radial/axial load.8 kg
Electric
Exit-side protectionIP65 to IP66 according to connector
Feeding5 V ±5 % · 8–24 V · 18–28 V
Max. consumption.200–400 mA according to number of bits (customizable upon request)
Direction of rotationSwitchable (up/down)
Exit codesGray (G), Binary (B)
Max resolution.2²⁴ in 4096 laps
Number of turns16, 256, 4096
Maximum frequency50 kHz
Protection and environment
axle-side protectionIP64 standard • IP65 sealed • IP53 low torque
max. continuous RPM4000 standard · 2000 sealed · 5000 low torque (intermittent: +30 %)
Impact/vibration resistance50 G (11 ms) 12 G (10–2000 Hz)
Operating/storage temperature0 … +70 °C / -30 … +85 °C
ReferenceConfiguration
A/MM652-G-256-1828-KP-L-CM6-RAMM652G2561828KPLCM6RNumber of turns: 2 · Gray code · 256 steps/turn · 18–28 V · NPN open emitter + PTC · Latch · 32 pins PT02A18-32P · IP65 · radial output
A/MM652-G-256-824-KP-L-CM6-RAMM652G256824KPLCM6RNumber of turns: 2 · Gray code · 256 steps/turn · 8–24 V · NPN open emitter + PTC · Latch · 32 pins PT02A18-32P · IP65 · radial output
Other combinations of resolution, power supply, electronics and connection are available upon request: please contact us and we will confirm the exact reference.
ELCIS A/MM65 Multi-Turn Absolute Encoder
Dimensional drawing of the ELCIS A/MM65 multi-turn absolute encoder

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