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AC58/1212EX.42SCX:5849

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The Henstler AC58/1212EX.42SCX:5849 is a high-precision absolute encoder with a Profinet interface. Its rugged design and 34-bit total resolution make it suitable for demanding industrial applications.
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Technical specifications for AC58/1212EX.42SCX:5849

  • Manufacturer:
    HENGSTLER
  • Part Number:
    AC58/1212EX.42SCX:5849
  • Product Family:
    HENGSTLER
  • Product Type:
    0566713
  • Housing diameter:
    58 mm
  • Mounting Flange:
    Synchro flange, Clamping flange, Tether flange, Square flange
  • Protection class shaft input:
    IP64 or IP67
  • Protection class housing:
    IP65 and IP67
  • Shaft load axial / radial:
    40 N / 80 N
  • Axial endplay of mating shaft (Hub Shaft only):
    ±1.5 mm
  • Radial runout of mating (Hub Shaft only):
    ±0.2 mm
  • Max. speed:
    max. 10,000 U/min (continuous duty) , max. 12,000 U/min (short term)
  • Starting torque typ.:
    ≤ 0.05 Nm (lower values available upon request)
  • Moment of inertia:
    ca. 3.8 x 10-6 kgm2
  • Vibration resistance:
    300 m/s² (10 - 2000 Hz)
  • Shock resistance:
    4000 m/s² (6 ms)
  • Ambient/Storage temperature:
    -40 °C ... +85 °C
  • Material shaft:
    Stainless Steel
  • Material housing:
    Aluminium (stainless steel as AC61 Profinet)
  • Connection:
    Bus cover with 3x M12 connectors
  • Supply voltage:
    DC 7 - 30 V
  • Current w/o load (typ.):
    24V: 55 mA (ST) max; 65 mA (MT)
  • Power consumption:
    < 2 W
  • Resolution Singleturn:
    10 - 22 Bit
  • Resolution Multiturn:
    12 Bit (total max. resolution 34 bits)
  • Profile/ protocol:
    Profinet IO
  • Linearity:
    ±½ LSB up to 14 Bit
  • Absolute accuracy (typ.):
    ±35”
  • Repeatability (typ.):
    ±10”
  • Updating of values / Cycle time:
    125μs / 31.25μs
  • Weight:
    0.42 kg
  • Estimated shipping dimensions:
    5.8x5.8x5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The Hengstler AC58/1212EX.42SCX:5849 Absolute Encoder delivers reliable, high-accuracy position feedback for modern automation and motion control systems. Featuring a compact 58 mm housing and multiple mounting flange options—including synchro, clamping, tether, and square flanges—this encoder provides flexible integration across diverse machinery designs. Its solid shaft design, combined with stainless steel shaft material and an aluminium housing, ensures durability under demanding industrial environments.

Equipped with a Profinet IO interface, the encoder supports resolutions up to 34 bits (22 bit singleturn + 12 bit multiturn) and ultra-fast update rates of 125 μs with cycle times of 31.25 μs, making it ideal for high-speed and precision applications. It also offers diagnostics including position, speed, acceleration, and alarm data for preventive maintenance.

The AC58/1212EX.42SCX:5849 is engineered for harsh conditions, with IP65/IP67 housing protection, extreme temperature operation (-40 °C to +85 °C), high vibration resistance (300 m/s²), and exceptional shock tolerance (4000 m/s²). Its low energy consumption (<2 W) and optimized current draw make it highly efficient without compromising performance.

Designed for flexibility, the encoder allows electronic zero-point setting, direction and scaling adjustments, residual value function, and customizable speed and acceleration limits. Its "Best in Class" shock and vibration specifications, coupled with Hengstler’s extensive variant options, make it a premium choice for industrial automation systems requiring reliable, precise motion feedback.
Alternative Names
AC5B/1212EX.42SCX:5B49 AC58/I2I2EX.42SCX:5849 AC58/1Z1ZEX.4ZSCX:5849 AC58/1212EX.42SCX:584g AC58-1212EX-42SCX-5849
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the operating voltage of the AC58/1212EX.42SCX:5849?
It operates on DC 7–30 V, suitable for most industrial automation systems.
What is the maximum resolution of this encoder?
It supports up to 22 bit singleturn and 12 bit multiturn, totaling 34 bit resolution.
Is the Hengstler AC58/1212EX.42SCX:5849 Absolute Encoder brand new?
Yes, all units supplied are 100% brand new, fully tested, and come in original packaging.
What environmental protections does the encoder offer?
Housing protection is IP65/IP67, with shaft input protection IP64/IP67, and it operates in temperatures from -40 °C to +85 °C.
What is the warranty period for this encoder?
The encoder comes with a 12-month warranty covering manufacturing defects.
Can this encoder handle vibrations and shocks?
Yes, it withstands vibration up to 300 m/s² and shock up to 4000 m/s².