Schneider ATV650D45N4 Altivar Process Variable Speed Drive

Altivar Process ATV600, ATV650; IP55 wall-mounted, process-grade drive for pumps, fans, compressors, conveyors and other process loads

✅ Model Code Definition

ATV650: Altivar Process series, IP55 integrated design, built-in EMC filter, dual Ethernet ports

D45: 45kW (Normal Duty ND)

N4: Three-phase 380…480V AC

Distinction: ATV650D45N4 = Standard version without disconnect switch; ATV650D45N4E = Same power rating with front-panel disconnect switch

📌 Core Electrical Specifications

Rated voltage: Three-phase 380～480V, 50/60Hz

Power rating: 45kW ND (Normal Duty) / 37kW HD (Heavy Duty)

Rated output current: 88A (ND); 74.5A (HD)

Output frequency: 0.1～500Hz

Motor compatibility: Asynchronous motors & permanent magnet synchronous motors

Protection class: IP55 (IEC60529), UL Type12; suitable for local wall mounting in dusty & humid workshops without a separate control cabinet

Cooling: Forced air cooling

Built-in EMC filter:

C2: Max motor cable length 50m

C3: Max motor cable length 150m

Communication: Dual Ethernet ports (Modbus TCP) + serial Modbus; supports ring topology & daisy-chain networking

Integrated functions: Energy metering, energy dashboard, PID process regulation, asset monitoring, drift monitoring, Stop&Go intermittent energy-saving function

🧱 Mechanical & Environmental Conditions

Mounting: Wall-mounted installation

Operating temperature: -10℃～+40℃ without derating; derating required between 40～50℃

Storage temperature: -40～70℃

Vibration resistance: 2～13Hz (1.5mm displacement); 13～200Hz (10m/s²)

Pollution level 3, overvoltage category III

🎯 Typical Applications

Water supply & wastewater, HVAC, oil & gas, mining, food & pharmaceutical industries; centrifugal pumps, fans, screw compressors, mixers, conveyors and other process loads; ideal for field local mounting without control cabinets.

🔄 Cross-model & Replacement Reference

1. Same power & same platform: ATV650D45N4E (version with disconnect switch)
2. Same power, IP20 cabinet-mounted version: ATV630D45N4 (Altivar630, IP20, cabinet installation)
3. Legacy replacement: ATV71HD45N4 (discontinued; program migration requires parameter mapping and communication register adjustment)

📎 Standard Optional Accessories

Brake unit & brake resistor (high-inertia loads, fast stop)

Input reactor, output dv/dt filter, sine-wave filter (long motor cables)

Digital/analog I/O expansion cards, encoder cards (closed-loop vector control)

Communication cards: Profinet, EtherNet/IP (on-demand expansion)

Remote keypad, EADM tool (firmware upload/download, parameter backup)

⚠️ Key Selection Notes

For heavy-duty applications (crushers, reciprocating pumps, frequent start-stop), size strictly according to HD 37kW / 74.5A; do not use the 45kW ND rating directly.

IP55 only provides splash-proof & dust-proof protection, not immersion protection; outdoor installation requires extra sun & rain housing.

Mainstream firmware version for this model: V4.6IE47.

📋 Troubleshooting – Common Faults

Overcurrent OC: Motor short-circuit to ground, damaged cable, locked rotor, incorrect auto-tuning

Overheating OH: Clogged filter, failed cooling fan, excessive ambient temperature, insufficient derating margin

Communication dropout: IP conflict, improper cable shielding & grounding, wrong ring network configuration on dual Ethernet ports

EMC interference: Motor cable exceeds C2/C3 length limit; add output filter

ATV650D45N4 ↔ ATV630D45N4 ↔ ATV71HD45N4 Migration Comparison Table

Core conclusion: ATV630 / ATV650 share the same Altivar Process ATV600 platform; parameters and communication registers are highly compatible. ATV71 belongs to the legacy platform; configuration files cannot be imported directly. Control architecture, PZD telegram, I/O assignment and fault codes all need remapping.

1. Migration Risk Checklist (By Scenario)

Scenario 1: ATV630D45N4 ↔ ATV650D45N4 (Same Platform Replacement – Lowest Risk)

✅ SoMove can upload/download parameters, macros and Com Scanner tables directly

✅ Modbus TCP registers, control & status words are fully consistent; no PLC program changes required

⚠️ Items to verify:

1. Mounting dimensions, cutout sizes and cable entry direction (ATV650 is deeper and heavier)
2. Heat dissipation space and temperature derating curve for IP55 units
3. Terminal cover, earthing and shielding scheme
4. Selection between standard version and disconnect-switch version (ATV650D45N4E)

Scenario 2: ATV71HD45N4 → ATV630D45N4 / ATV650D45N4 (Cross-platform Upgrade – High Risk)

❌ Never import ATV71 configuration files directly; incompatibility error will occur

✅ Standard Migration Procedure

1. Back up ATV71 parameters via old SoMove; photograph all wiring, terminal assignments and communication card models
2. Record PLC PZD telegram, every bit of control word, and fault acquisition logic
3. Restore factory settings on the new Altivar Process drive and select the matching application macro (Pump/Fan / Torque)
4. Enter motor nameplate data and run auto-tuning
5. Re-map DI/AO and relay functions; do not copy ATV71 terminal function definitions directly
6. Reconfigure Com Scanner communication table and rewrite PLC program (remap control & status words)
7. Verify ramp times, current limits, PID parameters, fault management and auto-restart logic
8. Test jog operation with no load, then commission with full load

Frequent Pitfalls:

1. Brake circuit: ATV71 has built-in brake transistor while ATV630/650 do not. Missing brake unit causes DC bus overvoltage (dCF) during deceleration.
2. Overload capacity: ATV71 45kW HD current is higher; heavy-duty loads will trigger OL overload faults easily.
3. Communication words: Many projects copy ATV71 PZD directly, leading to no drive response or wrong rotation direction.
4. Digital input quantity: If DI7/DI8 were used on ATV71, an I/O expansion card is required since ATV630/650 only have 6 onboard DI channels.

III. Recommended Migration Tools

SoMove (use the Altivar Process version; separate versions for ATV71 legacy and ATV600 series)

Official migration document: ATV61/ATV71 Migration to ATV600/ATV900 (Document SE 1887)

Keypad VW3A1111: Parameter copy between ATV630 & 650; cannot read ATV71 data

1. ATV630 Model Code Rules

U: ≤10kW; D: 11~90kW; C: ≥110kW

N4: Three-phase 380~480V; Z: No built-in EMC filter (N4 includes C3 EMC as standard)

2. ATV71HD Model Code Rules

HD = Heavy-duty rating (matches your existing ATV71HD45N4); HU = Normal Duty; HC = High-power Heavy Duty

Part 1: Full ATV630 380V N4 Model List (Including D45N4)

1) U Series (≤10kW Normal Duty)

ATV630U07N4 (0.75kW)

ATV630U15N4 (1.5kW)

ATV630U22N4 (2.2kW)

ATV630U30N4 (3kW)

ATV630U40N4 (4kW)

ATV630U55N4 (5.5kW)

ATV630U75N4 (7.5kW)

2) D Series (11~90kW – Primary Migration Range, includes D45N4)

ATV630D11N4 (11kW)

ATV630D15N4 (15kW)

ATV630D18N4 (18.5kW)

ATV630D22N4 (22kW)

ATV630D30N4 (30kW)

ATV630D37N4 (37kW)

ATV630D45N4 (45kW – Target migration model)

ATV630D55N4 (55kW)

ATV630D75N4 (75kW)

ATV630D90N4 (90kW)

3) C Series (110kW and above high power)

ATV630C11N4 (110kW)

ATV630C13N4 (132kW)

ATV630C16N4 (160kW)

ATV630C22N4 (220kW)

ATV630C25N4 (250kW)

ATV630C31N4 (315kW)

Suffix note: ATV630D45N4Z = No built-in EMC filter, IP20 cabinet-mounted variant.

Part 2: ATV71HD 380V N4 Heavy-Duty Model List (Legacy Source Models, EOL – Spare Parts Only)

All models below are HD heavy-duty grade, same platform as ATV71HD45N4 (discontinued, only for maintenance spare parts)

ATV71HD11N4 (11kW)

ATV71HD15N4 (15kW)

ATV71HD18N4 (18.5kW)

ATV71HD22N4 (22kW)

ATV71HD30N4 (30kW)

ATV71HD37N4 (37kW)

ATV71HD45N4 (45kW – Migration source model)

ATV71HD55N4 (55kW)

ATV71HD75N4 (75kW)

ATV71HD90N4 (90kW)

Higher-power HC Heavy-Duty Range (Same Platform)

ATV71HC11N4, HC13N4, HC16N4, HC20N4, HC25N4, HC28N4, HC31N4, HC40N4, HC50N4

Suffix explanation: N4Z = Without graphical keypad; S337 = Enhanced anti-corrosion coating; M3 = 220V three-phase version.

III. 45kW One-to-One Migration Table

1. Supplementary Same-series Models (Optional)
2. Wall-mounted alternative: ATV650D45N4 (IP55). Firmware, parameters and communication registers match ATV630D45N4 exactly; PLC program remains unchanged – only mounting dimensions differ.
3. Universal keypad: VW3A1111 (copies parameters between ATV630 & 650; not compatible with ATV71)