Model: ACS850-04-078A-2 | Series: ACS850 Machinery AC Drive | Frame: D | Enclosure: IP20 | Cooling: Forced air
1. Core Electrical Ratings (230V 3‑phase)
Input Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3‑phase 200–240 V AC, ±10% |
| Input Frequency | 50/60 Hz, ±5% |
| Nominal Input Current | 78 A (at 230 V AC) |
| Max Input Current | 85 A (peak) |
| DC Link Voltage | 270–324 V DC, ±10% |
| Inrush Current | < 15 A (230 V AC) |
Output Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 0–240 V AC (3‑phase) |
| Output Frequency | 0–500 Hz |
| Nominal Output Current (Continuous, I₂N) | 78 A |
| Maximum Output Current (Iₘₐₓ) | 100 A (10 s peak) |
| Overload Capacity | 110% for 1 min; 150% for 3 s |
| Short‑Circuit Current Limit | 120 A (instantaneous) |
Power Ratings
| Parameter | Value |
|---|---|
| Heavy‑Duty (HD) Motor Power | 15 kW (20 HP) |
| Light‑Duty (LD) Motor Power | 18.5 kW (25 HP) |
| No‑Overload Motor Power | 18.5 kW (25 HP) |
| Typical Full‑Load Power Consumption | 38 kW |
| Max Power Consumption | 45 kW |
| Power Factor | ≥0.95 (nominal load) |
2. Performance & Control
| Parameter | Value |
|---|---|
| Control Method | Direct Torque Control (DTC) / Scalar Control |
| Torque Control | Open‑loop / Closed‑loop (encoder optional) |
| Torque Step Rise Time | <5 ms (nominal torque) |
| Speed Control Accuracy | Open‑loop: 10% of motor slip; Closed‑loop: 0.01% of set speed |
| Supported Motors | AC induction, permanent magnet, synchronous reluctance motors |
| Safe Torque Off (STO) | Standard (SIL 3, PL d, Cat. 3) |
| Switching Frequency | 2.7–16 kHz |
3. Environmental & Mechanical
| Parameter | Value |
|---|---|
| Operating Temperature | 0–+50 °C (derate above 40 °C) |
| Storage Temperature | −25–+70 °C |
| Humidity | 5–95% RH (non‑condensing) |
| Altitude | ≤1000 m (derate above 1000 m) |
| Protection Class | IP20 (front/rear) |
| Cooling | Forced air (internal fan) |
| Dimensions (W×H×D) | 250 × 560 × 270 mm |
| Weight | ~23 kg |
| Mounting | Cabinet/bookshelf mounting |
4. Interfaces & Features
| Interface | Details |
|---|---|
| Control I/O | 6×DI, 3×DO, 2×AI, 1×AO |
| Communication | Optional: PROFINET, EtherNet/IP, Modbus TCP, PROFIBUS DP |
| Built‑in PLC | SPC block programming (embedded logic) |
| Brake Chopper | Standard (built‑in) |
| Braking Power | 18 kW continuous (external resistor JBR‑06) |
| Monitoring | DC link voltage, output current, motor temperature, fan speed |
| Protection | Overvoltage, overcurrent, short‑circuit, overtemperature, earth fault |
