Products Description
HEIDENHAIN ROD450-5000-01 Rotary Encoder

Technical Specifications
Model: ROD450-5000-01
Brand: HEIDENHAIN
Product Type: Integrated bearing incremental rotary encoder for CNC spindle / rotary axis
Module Feature:
Function: HEIDENHAIN ROD450-5000-01 incremental rotary encoder with built-in bearing. It generates A/B/Z incremental pulse signals for spindle speed and angular position measurement. Output sinusoidal 1Vpp signals to interpolation unit or CNC controller, used for spindle closed-loop control on heavy horizontal boring mills and large machining centers.
Measuring principle: Incremental optical scanning Line count: 5000 lines per revolution Output Signal: 1 Vpp sinusoidal signal Onboard components: Rotary DIADUR grating disk, optical scanning unit, precision bearing assembly, M23 flange connector, metal housing
LED indicators: POWER, SIG, FAULT diagnostic lights
Hardware self-diagnosis: Signal amplitude monitoring, scanning signal integrity detection
Programming software: HEIDENHAIN proprietary diagnostic software for signal amplitude inspection
Electrical Parameters
Supply voltage: 5VDC ±5%
Power consumption: Max 2.7W
Mechanical & Structure:
Mounting: Installed via shaft coupling to machine spindle Shaft: Solid shaft Protection class: IP64 (housing)
Environmental:
Operating temperature: 0℃ ~ +70℃
Ambient humidity: 5~85% non-condensing
Certification: CE
Status: Manufacturer legacy incremental rotary encoder
System compatibility
Compatibility description: ROD450-5000-01 belongs to HEIDENHAIN ROD400 rotary encoder family. 1Vpp sinusoidal output compatible with HEIDENHAIN EXE interpolation units and Fives Giddings & Lewis PIC900 CNC system. Widely applied on heavy CNC boring mill spindle.
Function
Function description: ROD450-5000-01 is incremental rotary encoder manufactured by HEIDENHAIN. It is mounted on machine spindle through flexible coupling. The optical grating disk generates high resolution sine/cosine signals to feedback spindle rotation speed and angular position to CNC. Metal housing protects internal optical components from workshop dust and oil mist. Reference mark pulse is used for spindle orientation after power-up. It is legacy spindle rotary measuring spare for heavy CNC boring mills.
Installation
Installation steps: Follow lockout/tagout safety procedure before installation. Cut off encoder 5VDC power. Mount encoder on spindle end, install flexible shaft coupling, adjust coupling concentricity. Connect shielded encoder cable to EXE interpolation unit or CNC control board. Restore power, verify POWER and SIG LED indicators, run encoder diagnostic and check spindle speed and position reading.
Interface
Interface list: M23 multi-pin flange connector, 5VDC power terminal,on-board POWER / SIG / FAULT LED indicators for HEIDENHAIN ROD450-5000-01.
Diagnostic
Troubleshooting: No spindle speed feedback: Check 5VDC power supply, cable breakage or connector pin damage. FAULT LED lit: Low signal amplitude, contamination on grating disk or coupling misalignment. Spindle position jump error: Electrical noise interference, coupling wear or optical component aging.

Product Brief
Brief description: ROD450-5000-01 is HEIDENHAIN legacy incremental rotary encoder with 5000 lines and 1Vpp output,provides spindle speed and angular position feedback for heavy CNC boring mill spindle closed-loop control,legacy spindle encoder spare.