Description
ELAU MC4‑11‑22‑400
Technical Specifications Main Power Input: 3‑phase AC 380‑480 V, 48‑62 Hz Control Power Supply: DC24 V, 1.5 A continuous consumption Rated Output Current: 22 A continuous Peak Output Current: 32 A Output Frequency Range: 0‑600 Hz Communication Interface: SERCOS fiber‑optic interface Protection Class: IP20 Operating Ambient Temperature: 0 °C to +55 °C Storage Temperature:‑25 °C to +70 °C Mounting Method: Cabinet wall‑mount installation Cooling Mode: Natural convection cooling
Functional Features Executes high‑performance full‑digital current‑speed‑position three‑loop closed‑loop control algorithm. Automatic motor‑identification function reads electronic‑nameplate data from matched servo motor, eliminates manual parameter‑setting steps. SERCOS fiber‑optic bus provides excellent anti‑interference performance and microsecond‑grade multi‑axis synchronization accuracy. Comprehensive protection functions cover over‑current, over‑voltage, under‑voltage, power‑module over‑temperature, motor‑phase‑loss and SERCOS‑bus communication‑failure detection. On‑board non‑volatile flash memory stores abundant fault‑history datasets and runtime diagnostic logs. Hardware inverter‑enable safety input implements safe torque‑off safety‑related function. Front‑panel LED indicator array displays real‑time hardware‑operating‑state and fault‑alarm information. Robust compact housing‑design adapts to limited‑space industrial‑cabinet installation scenarios.
Application Scenarios Heavy‑duty main‑drive axes of large‑scale packaging production lines; high‑torque unwinding‑rewinding stations of film‑converting machinery; heavy‑load handling servo axes for automated‑processing equipment.
Performance Parameters Short‑term overload capacity reaches 250 % of continuous‑rated output‑current. Steady‑state speed‑control accuracy achieves ±0.01 %. Multi‑axis synchronization jitter over SERCOS fiber‑optic bus stays below 1 microsecond. Fault‑log datasets keep retention status after equipment power‑off cycle. Deterministic control‑loop timing remains stable under maximum full‑load operating‑condition.
Material Composition Thick‑gauge galvanized steel sheet‑metal housing, FR‑4 high‑current multilayer printed‑circuit‑board, large‑power IPM intelligent‑power‑module, high‑performance fiber‑optic‑transceiver chip‑group, large‑capacity non‑volatile‑flash‑memory chips, heavy‑duty high‑current screw‑lock terminal‑blocks, SMD LED‑indicator assemblies, high‑energy‑surge‑suppression varistor‑components.
Structural Characteristics Vertical wall‑mount housing mechanical‑form factor. Upper‑housing section arranges SERCOS fiber‑optic‑port group and LED‑status‑indicator array. Middle‑section accommodates heavy‑current main‑power‑input terminals, motor‑power‑output terminals and DC‑bus intermediate‑circuit link‑terminals. Lower‑section holds DC24 V control‑power‑supply terminals, safety‑circuit‑input terminals and digital‑signal‑terminals. Metal‑housing identification‑nameplate permanently prints complete part‑number MC4‑11‑22‑400. Internal‑PCB layout applies multi‑zone‑shielding‑design for electromagnetic‑interference suppression.
Working Principle Three‑phase industrial AC‑mains passes internal‑rectifier‑assembly and converts into stable high‑voltage DC‑bus intermediate‑circuit voltage. Main‑control processor receives high‑speed motion‑command‑frames transmitted by upper‑level PacDrive motion‑controller via SERCOS fiber‑optic bus. Servo‑regulator computation outputs precise PWM‑drive‑signals to control large‑power IPM‑module, generating three‑phase variable‑frequency‑variable‑amplitude AC‑power to drive connected heavy‑duty servo‑motor. Motor‑position‑and‑speed‑feedback‑signals transmit back to drive‑unit to complete multi‑layer closed‑loop‑control computation. Real‑time‑monitoring‑circuit continuously samples power‑semiconductor‑temperature, DC‑bus‑voltage and output‑current‑magnitude. When fault‑condition triggers, power‑output‑stage gets instantaneously blocked and corresponding fault‑code‑information writes into non‑volatile‑memory area.
Installation Requirements Mount drive‑unit vertically on heavy‑duty rigid metal‑cabinet wall. Reserve sufficient vertical‑clearance space on upper‑and‑lower sides for natural‑convection‑heat‑dissipation. Tighten high‑current‑power‑circuit screw‑terminals strictly comply with official‑document‑specified torque‑values. Use fully‑shielded heavy‑gauge motor‑power‑cables and shielded motor‑feedback‑cables. Physically separate low‑signal fiber‑optic‑and‑signal‑wiring routes from high‑voltage‑power‑cable‑routing paths. Establish reliable protective‑earth‑connection between drive‑housing and cabinet‑main‑ground‑busbar. Follow SERCOS fiber‑optic‑cable minimum‑bending‑radius‑specifications throughout cable‑layout‑work.
Usage Notes Hot‑plugging SERCOS fiber‑optic‑connectors under hardware‑powered‑state is strictly prohibited. Complete full‑system‑configuration‑parameter‑backup before executing hardware‑replacement‑operations. Wear anti‑static‑wrist‑strap during internal‑circuit‑maintenance‑service‑procedures. Prevent hardware‑unit exposure to conductive‑dust, heavy‑oil‑mist and corrosive‑industrial‑vapors. Operate hardware strictly within published ambient‑temperature‑operating‑range.




