Products Description
SIEB & MEYER 03631490IC01A0 Spindle Servo Amplifier

Module Feature
SIEB & MEYER 03631490IC01A0 belongs to SD2S series rack plug-in high-frequency spindle servo amplifier. It is designed to drive high-speed synchronous spindle motors equipped with multi-type encoder feedback. It supports ultra-high output frequency, fast dynamic response and stable speed & spindle orientation regulation. Built-in multi-channel voltage, current and temperature monitoring protection circuit. Compact rack plug-in metal housing with excellent EMC and anti-vibration performance. Widely used in PCB routing, semiconductor drilling and CNC milling machines.
Working principle
Three-phase AC input power passes EMI filter and rectifier bridge and converts into stable DC bus. Internal IGBT power stack converts DC bus into adjustable high-frequency three-phase AC power to drive spindle motor. The amplifier continuously collects real-time encoder speed and position feedback signal to execute closed-loop speed and spindle orientation control. When overvoltage, overcurrent or overtemperature fault detected, the amplifier immediately cuts power output and sends fault code to upper rack CNC system for safety interlock.
Onboard components
IGBT power stack, DC-link capacitor bank, current & voltage sampling circuit, encoder signal conditioning interface, main control processor, temperature sensor, power terminal block, gold finger backplane connector, LED status indicator array.
LED indicators
Front panel LED indicators for module power, drive ready, spindle enable, running status and fault code display.
Hardware self-diagnosis
Visual inspection of module housing, terminals and backplane gold fingers; DC bus voltage measurement; spindle motor cable insulation and continuity test; read LED fault codes; inspect cooling fan and heat sink for dust accumulation or damage.
Programming software
SIEB & MEYER Drivemaster2 commissioning software for spindle parameter configuration, auto-tuning and firmware inspection.
Electrical & Process Parameters
Model: 03631490IC01A0 (SD2S series) Device type: High frequency spindle servo amplifier Input: 3-phase AC mains Output: High frequency 3-phase AC for synchronous spindle motor Control mode: Closed loop speed / orientation control Cooling: Forced air cooling with built-in fan Protection: Overvoltage, undervoltage, overcurrent, short circuit, overtemperature protection Mounting: Rack plug-in mounting
Mechanical & Structure
Mounting: Rack plug-in mounting Protection class: IP20 (inside control cabinet)
Environmental
Operating temperature: 0℃ ~ +50℃ Ambient humidity: 5~95% non-condensing Certification: CE compliant Status: SIEB & MEYER SD2S spindle servo amplifier
Function
03631490IC01A0 spindle amplifier manufactured by SIEB & MEYER. It provides high-frequency three-phase power to spindle motor and realizes high-precision speed and angular positioning. Motor overload, cable short-circuit, fan failure or capacitor aging will trigger protection and disable power output. It is core power amplifier unit for SIEB & MEYER rack spindle system.
Installation
Follow lockout/tagout safety procedure before installation. Cut off all rack power completely. Insert amplifier into designated rack slot and lock handle securely, confirm stable backplane contact. Wire spindle power cable and encoder feedback cable correctly. Configure spindle parameters and run auto-tuning via Drivemaster2 software, test spindle rotation before formal machining.
Interface
3-phase AC input terminal, spindle motor 3-phase power output terminal, encoder feedback connector, backplane bus connector, digital I/O & fault signal terminal of 03631490IC01A0.
Diagnostic
No power LED: Missing 3-phase AC input, blown input fuse or wrong wiring. Drive not ready: Poor backplane contact, pre-charge circuit failure or communication error. Overcurrent alarm: Spindle motor winding short, damaged power cable or mechanical jam. Overheat alarm: Cooling fan failure, clogged heat sink or high ambient temperature. Speed deviation fault: Damaged encoder, loose feedback cable or incorrect parameter setting.

Product Brief
03631490IC01A0 SIEB & MEYER SD2S rack plug-in high speed spindle servo amplifier,high frequency AC output,for encoder equipped synchronous spindle motors,used in CNC and semiconductor routing & drilling equipment.