ELAU PacDrive Multi Axis Servo Controller MAX-4/11/03/128/99/1/1/00
The MAX‑4/11/03/128/99/1/1/00 is a high‑performance multi‑axis servo controller from ELAU (now Schneider Electric), part of the PacDrive MAX‑4 series. Built on an industrial PC platform with the VxWorks real‑time OS, it acts as the intelligent core for coordinated motion control. Designed for up to 99 axes via SERCOS bus, it integrates soft PLC (IEC 61131‑3) and advanced motion control in a compact, rugged chassis. Obsolescent (EOL); still widely used in legacy high‑speed automation lines.

Applications
- High‑Speed Packaging: Coordinating form/fill/seal machines, cartoners, and case packers (electronic cam, flying shear).
- Printing & Converting: Register control, web handling, and multi‑color press synchronization.
- Machine Tools & Robotics: Multi‑axis machining centers, gantry systems, and pick‑and‑place robots.
- Material Handling: Automated assembly lines, palletizers, and high‑speed sorting systems.
- Legacy System Retrofits: Direct replacement for aging MAX‑4 controllers in existing PacDrive installations.
Operating Environment
| Parameter | Specification |
|---|---|
| Ambient Temperature | 0 °C to +50 °C (operation); −20 °C to +70 °C (storage) |
| Relative Humidity | 5 % to 95 % (non‑condensing) |
| Altitude | ≤ 2000 m (derate 10 % per 1000 m above 2000 m) |
| Vibration | 0.5 g (10–150 Hz) |
| Protection Class | IP20 (metal enclosure) |
| Cooling | Forced air (integrated fan) |
| Pollution Degree | 2 (industrial indoor) |

Technical Specifications
| Parameter | MAX‑4/11/03/128/99/1/1/00 |
|---|---|
| Brand/Series | Schneider Electric (ELAU), PacDrive MAX‑4 |
| Model Code Breakdown | MAX‑4 (series); 11 (24 VDC); 03 (3 A); 128 (128 kB flash); 99 (99‑axis); 1 (Ethernet); 1 (analog in); 00 (I/O config) |
| Control Axes | Up to 99 servo axes (via SERCOS) |
| Processor/OS | Industrial PC, VxWorks real‑time OS |
| PLC Compliance | IEC 61131‑3 (soft PLC) |
| Motion Functions | Electronic gear, electronic cam, flying shear, synchronization |
| Power Supply | 24 VDC ±10 %, 3 A |
| Memory | 128 kB flash; 16 MB RAM |
| Communication | SERCOS (motion), Ethernet (TCP/IP), PROFIBUS DP, CANopen |
| I/O | 2 analog inputs; 3 digital inputs; 1 Ethernet port |
| Dimensions (W×H×D) | 250 × 175 × 300 mm (approx.) |
| Weight | 8.5 kg (approx.) |
| Mounting | Panel/rack‑mount |
| Status | Obsolete (EOL); no direct replacement |
Typical Industry Sectors
- Packaging: Food, beverage, pharmaceutical, and cosmetics (primary/secondary packaging).
- Printing & Paper: Web offset, flexo, and paper machine control.
- Plastics & Rubber: Injection molding, extrusion, and blow molding lines.
- Automotive: Assembly lines, press shops, and robotic welding cells.
- General Automation: High‑speed material handling and processing machinery.


Related Series Products
- MAX‑4/11/02/016/08/1/1/00
- 8‑axis version; 16 kB flash; 24 VDC/2 A; for smaller machines。
- PacDrive C400
- Mid‑range successor; up to 32 axes; EtherCAT; IEC 61131‑3; for new builds。
- PacDrive C600
- High‑end controller; up to 64 axes; multi‑core; advanced motion; high‑performance lines








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