HEIDENHAIN ECN 113 2048 03S17-58 Absolute Rotary Encoder

Technical Specifications

Model：ECN 113 2048 03S17-58 Brand：HEIDENHAIN Product Type: Bearing-integrated singleturn absolute optical rotary encoder with stator anti-rotation coupling

Module Feature

Function: HEIDENHAIN ECN 113 2048 03S17-58 is singleturn absolute rotary encoder equipped with built-in precision bearing. It delivers EnDat01 single-turn absolute position data and ~1Vpp sine/cosine A/B/Z incremental measuring signals, 2048 incremental lines per revolution. It adopts blind hollow shaft with clamping ring mounting design, equipped with stator anti-rotation coupling to compensate axial and radial installation misalignment up to ±0.5mm. Single-turn absolute resolution is 8192 positions per revolution, max mechanical rotational speed up to 12000 rpm. Widely used on heavy horizontal boring mills, machining centers for spindle and servo motor closed-loop angular position & speed measurement.

Measuring principle: Absolute optical scanning + incremental sinusoidal signal Incremental lines: 2048 lines per revolution Interface: EnDat 01 Output Signal: ~1 Vpp sine/cosine incremental signals Shaft specification: Blind hollow shaft with clamping ring Singleturn positions: 8192 positions per revolution Onboard components: Optical grating disc, scanning assembly, built-in bearing, metal housing,M23 17-pin locking connector

LED indicators: Not equipped on encoder body

Hardware self-diagnosis

Signal amplitude test, EnDat communication check, reference mark inspection, bearing noise & temperature monitoring

Programming software

HEIDENHAIN diagnostic software for encoder parameter reading and signal waveform analysis

Electrical Parameters

Supply voltage: 3.6VDC ~14VDC Power consumption: Max 0.8W

Mechanical & Structure

Mounting: Blind hollow shaft fitted onto spindle/motor shaft, stator anti-rotation coupling Protection class: IP67 (housing)

Environmental

Operating temperature: -40℃ ~ +100℃ Ambient humidity: 5~85% non-condensing Certification: CE Status: HEIDENHAIN heavy-duty singleturn absolute rotary encoder

System compatibility

Compatibility description: ECN113 series rotary encoder works with HEIDENHAIN EnDat controller and drives supporting 1Vpp sinusoidal input. Suitable for Fives Giddings & Lewis PIC900 CNC heavy boring mill spindle and feed axis.

Function

Function description: ECN 113 2048 03S17-58 is singleturn absolute rotary encoder manufactured by HEIDENHAIN. It can read absolute angular position directly after power-on without axis homing. The ~1Vpp sine/cosine incremental signals support electronic interpolation to achieve ultra-high resolution for high dynamic motion control. Blind hollow shaft design simplifies spindle assembly process. Stator coupling absorbs mounting offset and protects internal bearing from mechanical stress. Compact metal housing resists cutting fluid, dust and workshop vibration. It is core measuring spare for heavy CNC boring mill spindle closed-loop motion control.

Installation

Installation steps: Follow lockout/tagout safety procedure before installation. Cut off all power supply. Fit encoder blind hollow shaft onto machine spindle, tighten clamping ring. Fix stator coupling to prevent housing rotation. Connect shielded EnDat encoder cable to control unit. Adjust mounting alignment, lock all fasteners. Restore power, run EnDat communication test and signal amplitude verification.

Interface

Interface list: M23 17-pin EnDat connector, 3.6~14VDC power and measuring signal terminals, no LED indicators on ECN 113 2048 03S17-58.

Diagnostic

Troubleshooting: No EnDat communication: Check power supply, cable breakage and connector pin contact. Weak incremental signal: Optical window contamination or shaft misalignment. Intermittent position loss: Loose clamping ring, bearing wear or cable abrasion.

Product Brief

Brief description: ECN 113 2048 03S17-58 HEIDENHAIN bearing-integrated singleturn absolute rotary encoder with blind hollow shaft,2048 lines,EnDat01 and 1Vpp signal,used for spindle and servo motor angular position and speed measurement of heavy CNC boring mill,rotary encoder spare.