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3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Rated Supply Voltage | 3 × 380–480 VAC (−10 % / +10 %) |
| Supply Frequency | 48–62 Hz |
| Control Voltage / Current | 24 VDC (−15 % / +25 %) / 1 A |
| Continuous Output Current | 10 Aeff (8 kHz) |
| Peak Output Current (1 s) | 25 Aeff |
| Rated Power | 6.9 kVA |
| Output Voltage | 0–480 VAC |
| Output Frequency | 0–600 Hz |
| DC Bus Voltage | 530–680 VDC |
| Capacitance | 330 µF |
| Bleeder Resistance | 60 Ohm |
| Bleeder Continuous / Peak | 100 W / 10 kW |
| Communication | SERCOS (fiber optic) |
| Protection Class | IP20 |
| Operating Temperature | +5 °C to +45 °C |
| Weight | approx. 3.6 kg |
| Dimensions (approx.) | 69 × 310 × 260 mm |
4. Product Introduction
The ELAU MC-4/11/10/400 (order number 13130247, also listed as MC-41110400) is a single-axis digital servo amplifier from the PacDrive MC-4 family. It integrates the mains supply, power stage, and software regulator in one compact housing and communicates with the PacDrive controller solely via SERCOS fiber-optic link. Rated for 380–480 VAC three-phase supply, it delivers 10 A continuous and 25 A peak for one second.
This drive is used on packaging, converting, printing, and material-handling machines that need precise single-axis position, speed, or torque control. Automatic motor recognition via the electronic nameplate and 250 % overload capability make it a straightforward replacement for existing PacDrive systems. The series is discontinued, so verified New Surplus or tested units remain the practical option for maintaining installed machines.
MC-4/11/10/400
MC-4/11/10/400
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No LEDs / no power-up | Missing 24 VDC control or mains | ❌ Low | Measure 24 VDC at control terminals and 380–480 VAC at L1/L2/L3 | Verify PSU and fuses first |
| SERCOS communication timeout | Fiber cable fault or node mismatch | ✅ High | Inspect fiber connectors and status LEDs on controller and drive | Clean fiber ends; confirm node address |
| “Impermissible motor” fault | Motor type or firmware mismatch | ✅ High | Compare motor nameplate with drive firmware | Use only approved motors; match firmware version |
| Overvoltage / bleeder fault | Excessive regenerative energy | ✅ Medium | Monitor DC bus voltage; check external resistor if fitted | Verify or add external braking resistor; slow deceleration |
| Overtemperature | Restricted airflow or ambient >45 °C | ✅ Medium | Check cabinet temperature and cooling path | Improve ventilation or derate load |
| Inverter Enable not active | Safety circuit open | ❌ Low | Measure Enable input (20–30 VDC) | Check safety wiring and interlocks |
If the fault remains after these checks, send clear photos of the type plate, diagnostic buffer extract, and fiber status LEDs to technical support.
6. Frequently Asked Questions (FAQ)
Q: Is the MC-4/11/10/400 still in production?
A: No. The PacDrive MC-4 series was discontinued. Available units are New Surplus or professionally tested stock. Quantities are limited.
Q: Can I hot-swap this drive?
A: No. Power down the entire axis group and allow the DC bus to discharge before replacement. Hot-swapping risks damage to the fiber link or power stage.
Q: Does the configuration stay when I replace the unit?
A: Motor parameters are read from the electronic nameplate. Axis parameters and SERCOS node address live in the PacDrive controller project. Download the matching project or set the identical node address before power-up.
Q: What motors work with the 10 A version?
A: Primarily ELAU/Schneider SH-series motors matched to the 10 A rating. Using a significantly higher- or lower-power motor can trigger diagnostic faults. Stick to the original combination or verify against the motor nameplate.
Q: Why is a New Surplus unit cheaper than the old factory list price?
A: The model is obsolete. Remaining original New Surplus inventory is offered below historical list price while still being genuine OEM product.
Q: What firmware should I request?
A: Note the firmware of the drive being replaced (common ranges include V00.22.xx) and request the same range. Firmware mismatch can cause communication or motor recognition issues.
Q: Do you provide test documentation?
A: Yes. Every unit ships with a functional test report covering power-up, SERCOS handshake, current delivery under load, and insulation resistance. Photos and test video are available on request.
