AIH108‑series incremental encoder
Category:
Heavy-duty encoders
Incremental encoders
Product Accessories:
Product description
Main Features:
➤ Heavy‑duty industrial hollow‑shaft encoder
➤ Excellent vibration and shock resistance, suitable for heavy‑load environments
➤ Non‑fracturing code disc adopted for high‑performance anti‑seismic performance, robust and reliable
➤ Terminal box wiring, rotatable in 4×90° increments for flexible installation
➤ Optional PEEK insulating shaft sleeve, with electrical isolation up to 2.5 kV
Application Range:
☑ Speed sensing, angle, distance, trajectory and tilt measurement
☑ Port hoisting and transportation machinery, wind power generation equipment
☑ Iron & steel metallurgical equipment, paper‑making & printing machinery, textile machinery
☑ Large‑scale drives, generators, etc. ☑ For use in non‑explosion‑proof environments
| Mechanical Data | Compliance Standards | ||
|---|---|---|---|
| Parameter | Value | Item | Value |
| Material | Housing: Aluminum housing (hard anodized and powder coated) | CE Certification | Yes |
| Flange: Aluminum flange (hard anodized and powder coated) | Emission | EN 61000-6-4 | |
| Shaft: Stainless steel 304; optional PEEK insulating shaft sleeve | Immunity | EN 61000-6-2 | |
| Shaft Load | Axial: 300 N | Quality System | Complies with ISO 9001:2015 quality management system requirements |
| Radial: 400 N | |||
| Protection Rating | IP66 / IP67 | ||
| Max. Speed | ≤ 6000 RPM | ||
| Shock | < 1000 m/s² (11 ms) | ||
| Vibration | < 100 m/s² (50 Hz – 2000 Hz) | ||
| Weight | ≈ 2100 g | ||
| Operating Temperature | -40 °C … +80 °C | ||
| Storage Temperature | -40 °C … +85 °C |
Electrical Data
| Parameter | Push‑pull (HTL compatible) | RS422 (TTL compatible) |
|---|---|---|
| Output Type | Push‑pull (HTL compatible) | RS422 (TTL compatible) |
| Resolution | Max. 2500 ppr | Max. 2500 ppr |
| Supply Voltage | DC 10‑30 V | DC 5 V or DC 10‑30 V |
| Reverse Polarity Protection | Yes | Yes |
| Current Consumption (No‑load) | ≤ 80 mA | ≤ 80 mA |
| Load Current (Per Channel) | ≤ 60 mA | ≤ 60 mA |
| Response Frequency | ≤ 120 kHz | ≤ 120 kHz |
| Rise Time (Tr) | ≤ 200 ns | ≤ 200 ns |
| Fall Time (Tf) | ≤ 200 ns | ≤ 200 ns |
| Signal High Level | ≥ Vcc × 70% | ≥ 2.5 VDC |
| Signal Low Level | ≤ 0.5 VDC | ≤ 0.5 VDC |
Signal Output

Waveform for clockwise (CW) rotation viewed from the shaft‑end
a, b, c, d = T/4 ±10% e = T/4 ±10%
Electrical Connection

Schematic of Removable Rear Cover
- Loosen the four screws on the rear cover and remove the cover.
- Pass the cable through the M16‑gland on the rear cover, then wire according to the terminal assignment diagram.
- After completing terminal wiring, leave sufficient cable slack between terminals and the cable gland to avoid wire breakage caused by cable tension. Tighten the M16‑gland afterwards.
- Insulate any unused wires.
- The rear cover can be mounted in four orientations at 4×90°. Do not force installation without fully aligning the locating slots; otherwise the stop structure may be damaged.
- A sealing ring is fitted on the removable rear cover. Do not damage or lose it, otherwise the protection rating will be invalidated!
- Tighten the four screws securely after refitting the rear cover!!!



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