ELAU C400A811110 | <1μs Jitter SIL2 STO IEC 61131-3 CODESYS Programming

Description

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Product Introduction

When a high-speed packaging line’s flying shear misses the cut mark by 2mm at 600 cycles per minute, the root cause almost always traces back to a motion controller that can’t maintain sub-microsecond axis synchronization.

As the core control unit of the ELAU PacDrive 3 platform, this module is purpose-built for high-dynamic, high-precision motion control scenarios. Its dedicated motion co-processor eliminates CPU scheduling jitter, ensuring 8 axes stay perfectly synchronized even when running complex cam profiles and continuous path interpolation at full speed.

C400A811110

C400A811110

C400A811110

C400A811110

C400A811110

Key Technical Specifications

Field Application & Technical Pitfalls

This part runs three non-negotiable production-critical roles.
First, it acts as the master motion controller for 600cpm high-speed pharmaceutical blister packaging lines, ensuring every sealing and cutting action stays perfectly synchronized with the web feed.
Second, it delivers multi-axis coordinated control for high-speed flexographic printing presses, maintaining ±0.01mm color registration accuracy across 8 print stations.
Third, it serves as the core motion unit for robotic pick-and-place assembly systems in automotive component manufacturing, handling 120 picks per minute with zero position drift.

‌⚠️ EtherCAT Master Node Address Conflict Risk‌: This module defaults to EtherCAT master node ID 1. If you connect two C400 controllers to the same EtherCAT segment without changing the master ID, you’ll trigger a full bus collision that locks all 8 axes in a fault state instantly.
‌⚠️ STO Circuit Wiring Misalignment‌: The two STO input channels on the front terminal block are not interchangeable. If you cross-wire them, the controller will never recognize the safety enable signal, and all servo axes will stay locked in torque-off state permanently.
‌⚠️ Firmware Version Compatibility Gap‌: This module only works with PacDrive 3 firmware v1.22 or newer. Drop it into a system running v1.18 or older, and the motion co-processor firmware handshake will fail, disabling all advanced cam and flying shear functions.

I watched a senior packaging machine tech skip the master ID check last summer. He swapped this controller into a 6-axis high-speed cartoning line, accidentally left the default node ID unchanged, and the existing master controller on the same EtherCAT bus collided. All 6 axes tripped to a hard stop mid-cycle, jamming 120 cartons in the machine and forcing 4 hours of manual cleanup. That 2-minute configuration oversight cost the food processing plant an estimated $45k in lost production.

Quality Control (QC) SOP & Transparency

1. ‌Inbound Verification‌: Cross-check the OEM serial number against Schneider Electric’s official ELAU part revision database, run anti-counterfeit validation on the module’s laser-etched serial label, and confirm no prior rework traces on the EtherCAT port solder joints.
2. ‌Live Rig Testing‌: Mount the module in a certified PacDrive 3 test rack, connect 8 ELAU servo drives, and verify full 8-axis synchronized motion across 4 hours of continuous flying shear cycle testing.
3. ‌Parameter Testing‌: Perform 500V AC 60-second dielectric withstand test across all signal ports and chassis ground, confirm task jitter stays under 1μs at full 8-axis load, and log all synchronization accuracy data at 25°C, 45°C, and 55°C.
4. ‌Final QA & Packaging‌: Seal the fully tested module in a static-shielding anti-static bag, apply a unique QC passed serial label, and pack it in ESD-dissipative foam with a printed hard copy of the full motion synchronization test report.

Frequently Asked Questions

• ‌Can I hot-swap this module while the PacDrive 3 system is powered on?‌ No. The backplane motion bus does not support hot-swap. Pulling the module live will cut all servo torque instantly, triggering an uncontrolled axis coast that can damage mechanical components.
• ‌What exact ELAU PacDrive systems does this part work with?‌ It is fully compatible with all PacDrive 3 systems running firmware v1.22 or newer. It will not establish stable motion bus communication on older PacDrive 2 systems.
• ‌How long is the standard warranty for this new surplus unit?‌ It carries a full 12-month functional warranty. If it fails within that window under specified operating conditions, we cover all return shipping and bench replacement costs.
• ‌How do I tell a genuine OEM unit apart from a refurbished clone?‌ Genuine units have the ELAU hologram sticker on the side of the housing, and every Ethernet port uses gold-plated RJ45 pins. Refurbished clones usually skip the official hologram and use tin-plated pins that corrode in high-humidity packaging plant environments.
• ‌Will this C400A811110 directly replace an older C400A811100 controller?‌ No. The older variant only supports 4 axes, while this unit extends that to 8 axes. You will need to reconfigure the full axis mapping in the CODESYS project after swapping.
• ‌What’s the maximum safe continuous operating temperature at full 8-axis load?‌ It will hold <1μs jitter up to 55°C, though your mileage may vary if the cabinet cooling airflow drops below 18 CFM and internal component temperatures spike 15°C above ambient.