Description

The HEIDENHAIN IK340 is a high-precision inductive rotary encoder designed for extreme environments where traditional optical encoders fail. As part of HEIDENHAIN’s robust IncOder series, this contactless angle sensor eliminates mechanical wear through its patented coil-and-target technology, delivering absolute position feedback with 15-bit resolution (≤±0.05° accuracy). Engineered for seamless integration into servo motors, robotics, and heavy machinery, the HEIDENHAIN IK340 operates flawlessly amid dust, oil, vibration, and magnetic interference. Its modular design supports hollow-shaft configurations (up to 40 mm bore) and offers both CANopen, SSI, and analog outputs. The encoder’s IP67-rated stainless steel housing withstands high-pressure washdowns in food processing while maintaining sub-millisecond response times. For industries demanding reliability beyond incremental encoders, the HEIDENHAIN IK340 provides lifetime-calibrated accuracy without recalibration, reducing total cost of ownership.

HEIDENHAIN IK340

Technical Specifications

Main Features and Advantages

Contactless durability: The HEIDENHAIN IK340’s inductive coupling mechanism requires no physical contact between stator and rotor, eliminating bearing wear and lubrication needs. This extends service life 5× longer than optical encoders in particulate-laden environments like cement plants. Absolute positioning ensures instant power-on readiness without homing routines, critical for safety-critical robotics. High immunity to magnetic fields (>100 V/m) enables installation near welding equipment or MRI machines where Hall sensors fail. Modular output options allow field-reconfiguration between CANopen for networked systems and analog for legacy PLCs. Integrated diagnostics monitor temperature, voltage, and signal integrity, triggering pre-failure alerts. Compared to resolvers, the HEIDENHAIN IK340 reduces wiring complexity with plug-and-play connectivity and delivers 10× higher resolution.

Application Field

The HEIDENHAIN IK340 excels in harsh industrial sectors demanding uncompromising precision. In steel manufacturing, it monitors roll gap positioning on hot-strip mills, enduring 1,200°C radiant heat and scale debris. Agricultural machinery employs it for steering angle feedback in harvesters, resisting mud immersion and shock loads. Robotics integrators use the HEIDENHAIN IK340 in collaborative arms for joint control, leveraging its EMI resilience near servo drives. Offshore wind turbines rely on it for pitch control, surviving salt spray and -30°C temperatures. Food packaging lines deploy the encoder for rotary filler heads, withstanding daily CIP (clean-in-place) chemical baths. Medical device manufacturers utilize it in MRI-compatible surgical robots, where ferromagnetic materials are prohibited. The HEIDENHAIN IK340 consistently solves positional integrity challenges where contamination, shock, or corrosion defeat conventional encoders.

HEIDENHAIN IK340

Related Products

HEIDENHAIN IK220: Compact inductive encoder for limited-space applications (<25>

HEIDENHAIN ECI 1119: Optical absolute encoder with 25-bit resolution for ultra-high precision.

HEIDENHAIN ERM 280: Magnetic encoder for cost-sensitive heavy machinery.

HEIDENHAIN EIB 940: Industrial bus interface for integrating IK340 into PROFINET networks.

HEIDENHAIN EZM 400: Mounting kit for vibration-dampened installation.

HEIDENHAIN IK550: High-temperature variant (125°C) for foundries.