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Dynapar Encoder & Accessories H25 Series

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The Dynapar brand Series H25 is a rugged, reliable and economical encoder for industrial motion applications. Models with resolutions of 1024 or less are available with an unbreakable metal code disk that meets the demands of the most severe shock and vibration generating processes; and a long life 80 pound (352 N.) bearing that keeps tough loads from disrupting internal alignment, avoiding failure due to the disk "crashes" so typical in competitive encoders. Protection against installation problems such as wiring errors prevents the encoder from damage, while immunity to electrical noise keeps the encoder signals intact. A NEMA4 / IP66 sealing option protects against damage from contamination.
Packaged in an industry standard 2.5" enclosure, the Series H25 offers a variety of mechanical options: servo or face mounting, and 1/4" or 3/8" shafts. Electrical options include: resolutions from 1 to 2540 pulses/revolution; bidirectional operation with optional index; single ended open collector or push-pull outputs, or differential line drivers; and a connector or cable exit terminations.
The Series H25 utilizes the latest technology optical emitters and sensors, surface mount assembly and precisely fabricated metal components to deliver a high reliability and performance in a compact and economical package.
  • Ultra-reliable, heavy-duty Size 25 (2.5") encoder
  • Unbreakable metal code disk available
  • Complete electrical protection and noise immunity
  • Environmentally sealed to NEMA4/IP66
  • Up to 2540 PPR with optional marker pulse
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MECHANICAL / ENVIRONMENTAL
Features
  • Unbreakable, metal code disk and long life 80# bearing available
  • Extended temperature range available
  • Industry Standard, Size 25 Form Factor
  • NEMA4 / IP66 washdown rating option
Electrical Features
  • Noise Immune to ESD, RFI and electrical transients
  • High current outputs
  • Over-Voltage protection
  • Reverse Voltage protection
  • Output Short-Circuit Protection
SPECIFICATIONS
Electrical
Code: Incremental
Pulses per Revolution: HR_25: 1 to 1024; HA_25: 1 to 2540; consult factory for other available PPRs
Output Signal: Two channel quadrature with optional zero reference
Phasing Sense: A leads B for CCW or CW rotation as viewed from the shaft end of the encoder - see ordering information
Quadrature Phasing: 90° ± 22.5°
Symmetry: 180° ± 18°
Zero Reference: 180° ± 18° (Gated with B)
Input: Differential Line Driver and Push-Pull:  5 to 26 VDC at 80mA max. plus load; Open Collector: 5 to 26VDC at 135mA max. plus load
Outputs: Open Collector: 40mA sink at 0.5 VDC max.; Push-Pull and Differential Line Driver: 40mA sink/source
Frequency Response: 100kHz Data, Index
Electrical Protection: Over-voltage, reverse voltage and short-circuit protected
Noise Immunity: Tested to IEC801 level 3 for Electro Static Discharge, Radio Frequency Interference and Electrical Fast Transients
Connector: 7 pin, style MS3102E-16S-1P 10 pin, style MS3102E-18-1P
Cable: PVC jacket, 105 °C rated, overall foil shield; 3 twisted pairs 26 AWG plus 2 twisted pairs 24 AWG
Mating Connector: 7 pin, style MS3106A-16S-1S (Dynapar No. MCN-N5); 10 pin, style MS3106A-18-1S (Dynapar No. MCN-N6)
Mechanical
Shaft Loading: HR_25: 80 pounds; HA_25: 40 pounds axial and 35 pounds radial at 0.25" from face
Starting Torque: (max. at 25 °C) w/o shaft seal: 1.0 oz-in; w/ shaft seal: 2.5 oz-in
Shaft Runout: 0.001" max. TIR
Moment of Inertia: 3.0 x 10 -4 oz–in–sec 2
Shaft Speed: HR_25: 10,000 RPM max.; HA_25: 5,000 RPM max.
Environmental
Operating Temperature:Standard: 0° to +70 °C; Extended: –40 to +85 °C
Storage Temperature Range: -40° to +90°C
Shock: 50 G’s for 11 milliseconds duration
Vibration: 5 to 2000 Hz @ 20 G’s
HUmidity: to 98% without condensation
Enclosure Rating: Series H_525: NEMA12 / IP54, Series H_625: NEMA4 / IP66
Electrical Connections
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Note: Wire color codes are referenced here for models that are specified with pre-wired cable. Connector/cables are described in the Encoder Accessories section of this catalog and color-coding information is provided here for reference.
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