Powtran PI150 1R5G3 ミニ可変周波数ドライブ

Complete Technical Documentation for PI150 1R5G3

1. モデルコードの内訳

PI150 1R5G3

PI150: 製品シリーズ, Powtran Economical Mini Sensorless Vector VFD

1R5: Rated Power 1.5kW (R stands for decimal point, 1R5 = 1.5)

G: General Duty (Constant Torque Type)

3: 3-phase AC380V Input

Suffix Supplement:

PI150 1R5G3Z = Built-in braking chopper; Without suffix Z = Standard version, no built-in braking chopper

2. コアの電気仕様

3. 機械的寸法 & インストール

全体の寸法 (高さ×幅×奥行き): 138 × 72 × 123.5 mm

取付方法: 35mm DINレール取付 / Screw wall mounting

重さ: 約. 1.1 kg

4. Working Principle Overview

Adopts AC-DC-AC voltage-source inverter topology.

3-phase AC power is rectified into DC bus voltage; IGBT inverter outputs adjustable voltage & adjustable frequency 3-phase AC power.

Equipped with DSP chip to realize sensorless vector algorithm, offering superior low-frequency torque compared with conventional V/F inverters.

5. 典型的なアプリケーションシナリオ

コンベヤ, 小型ファン, ウォーターポンプ, 撹拌者, 木工機械, 包装機械, light-duty small machine tool spindles.

6. 配線ガイドライン
7. 主回路端子: R, S, T (3-phase Input); U, V, W (Connect to 3-phase motor);
8. Version without suffix Z: For rapid stop function, external braking resistor + external braking chopper are required;
9. Analog input AI supports 0~10V voltage / 4~20mAの電流, selectable via onboard jumper;
10. RS485 terminals A/B, support PLC networking communication.
11. Selection Pitfall Guide
12. ❌ Do not confuse voltage grades

G1: 単相220V; G3: 3-phase 380V; Direct replacement is prohibited

2. ❌ For frequent start-stop & high inertia loads: Prioritize 1R5G3Z (with built-in braking chopper)
3. ❌ G-type constant torque drive can theoretically be used for fan & pump variable torque loads; Powtran P-series is recommended for high-power fan/pump applications
4. If ambient temperature＞40℃ or installed inside sealed cabinet, derating operation and enhanced ventilation are required
5. Compatible Alternatives
6. Same-brand Upgrade: Powtran PI160 1R5G3 (充実した機能)
7. Cross-brand equivalent alternatives

Delta VFD015E43A / VFD015EL43A

Inovance MD200T1.5B

Schneider ATV312HU15N4

9. 一般的な故障コード (Abbreviated)

Optional deliverables upon request:

1) Full English product datasheet;

2) Text diagram of standard terminal wiring;

3) Motor auto-tuning procedure;

4) Parameter comparison table vs Delta VFD015E43A

Application Fields of Powtran PI150 1R5G3 (1.5kW 380V Mini Vector VFD)

製品のポジショニング

PI150 is an economical compact sensorless vector VFD. コンパクトなサイズ, DIN rail mounting support, integrated V/F control + SVC sensorless vector control with excellent low-frequency torque. Ideal for small & 中出力, standard working conditions, installation space limited drive applications.

定格仕様: 1.5kW, 3-phase 380V, constant torque G model, standard version without built-in braking chopper.

1. General Automation Equipment Industry (Mainstream Applications)
2. 包装機械

Light-duty conveyors, material arranging machines, simple film winding mechanisms, carton transport, small case sealers, label conveying units.

Features for application: Stable low-speed startup, analog speed regulation available, medium start-stop frequency.

⚠️ For high-speed winding & high-inertia frequent braking scenarios, select 1R5G3Z with built-in braking chopper.

2. 木工機械

Light feed conveyors, simple sanding transport, small edge trimming feeding mechanism, light roller conveyor drive.

3. Logistics Conveying Equipment

Light belt conveyors, roller conveyor lines, sorting branch transport mechanisms, light-duty small elevators.

2. Fluid Equipment (ファン & パンプス)
3. Small workshop induced draft fans, 排気ファン, cabinet cooling fans;
4. Small circulating water pumps, cooling water pumps, simple constant pressure water supply branches;

✅ Advantage: Built-in PID function, directly connects pressure/liquid level sensors to realize closed-loop speed regulation;

⚠️ Note: Larger submersible pumps & multi-stage pumps are recommended to select one power grade higher.

3. 軽工業 & Food Machinery

Small agitators, light screw conveyors, food production line conveyors, simple filling transport mechanisms.

適切な環境: Normal temperature, light dust; Direct spraying of high humidity & water vapor on control cabinet is forbidden.

4. プラスチック & Rubber Machinery

小型コンベヤ, simple traction machines, light auxiliary extruder transport, small pelletizing conveying equipment.

5. Light-duty Machine Tools & Hardware Equipment

Small machine tool feed conveyors, simple rack feeding mechanisms, small grinder drive;

❌ Not suitable: Precision spindles, high-speed high-precision processing equipment (No encoder interface, insufficient positioning capability).

6. 空調設備, 環境保護 & Water Treatment Auxiliaries

Small waste gas treatment fans, water treatment dosing agitators, small sewage circulating pumps, dust removal branch fans.

7. Agricultural Machinery Accessories

Greenhouse circulating fans, 水 & fertilizer integrated machine transfer pumps, light material conveying equipment.

推奨されません / Forbidden Application Scenarios

1. Lifting equipment, heavy hoists, エレベーター (No safety braking certification, 厳禁);
2. High-speed tension winding, frequent rapid braking with high inertia loads (No built-in braking chopper, prone to OV overvoltage fault);
3. 高精度位置決め & synchronous control applications (No encoder feedback support);
4. Explosion hazardous areas (防爆認証なし);
5. Strong corrosive, 高湿度, outdoor exposed environments without protection;
6. Impact heavy loads, 破砕機, large agitators.

選択 & Matching Recommendations

1. Frequent stop & high inertia loads → Select PI150 1R5G3Z (built-in braking chopper) + 制動抵抗器;
2. Remote speed regulation via 4~20mA / 0~10V signal: Directly use onboard AI analog input;
3. Multi-drive monitoring via network: Adopt RS485 Modbus RTU communication;
4. Compact control cabinet layout: Supports 35mm DIN rail mounting, alternative to larger general-purpose VFDs.

Full Technical Specifications of Powtran PI150 1R5G3

Model Distinction: PI150 1R5G3 (標準, without built-in braking chopper); PI150 1R5G3Z (Built-in braking chopper)

ブランド: Powtran, Compact Economical Sensorless Vector Mini VFD

1. モデルコードの内訳

PI150: Compact economical vector inverter series

1R5: Rated power 1.5kW (R represents decimal point)

G: Constant torque general-duty model

3: 3-phase AC380V power supply

Z (オプションのサフィックス): Built-in braking chopper; No Z = without built-in braking chopper

2. Main Circuit Rated Electrical Parameters

3. Control Performance Index

4. I/O Terminal Configuration (制御回路)

DI デジタル入力

5-channel multi-function digital input terminals; NPN/PNP universal. Functions customizable: Run/Stop, 前進/後退, Multi-speed, フォルトリセット, External Emergency Stop, 等.

Analog Input AI1

1-チャンネルアナログ入力, selectable via onboard jumper

0～10V DC voltage signal / 4～20mA current signal

Used for external speed setting or PID feedback signal

出力信号

1. リレー出力 (1 チャネル)

接点容量: 5A/250VAC; 1A/DC30V; Can be defined as fault output, running status, frequency arrival and other 40 機能

2. DA1 Analog Output (1 チャネル)

0～10V / 0~20mA optional; Available signals: 出力周波数, 出力電流, DC bus voltage, output torque and other 16 monitoring signals

通信インターフェース

標準RS485, Modbus RTU / ASCII protocol; Support upper computer & PLC network control.

5. Built-in Function List
6. Built-in PID regulator: Support constant pressure water supply, constant flow, constant tension closed-loop control
7. Multi-speed operation: まで 16 プリセット速度
8. DC Braking: Pre-run DC braking & stopping DC braking; braking current and time adjustable
9. Jog operation, frequency skip function (avoid mechanical resonance point)
10. Speed tracking startup: Smooth startup when motor is still rotating
11. Timing operation function (マックス. 6500 分)
12. Fast current limiting algorithm to suppress overcurrent faults
13. Independent acceleration/deceleration time setting: 0.0～6500.0 s
14. Complete Protection Functions

過電流, 過電圧, 不足電圧, VFD Overheat, モーターの過負荷, Output Earth Short Circuit, ストール保護, External Fault, Communication Abnormality, PID Feedback Loss, Optional Input Phase Loss Detection.

7. 機械的寸法 & インストールパラメータ

8. Ambient Operating Conditions

9. 選択に関する重要な注意事項
10. 頻繁なブレーキの場合 & high inertia loads (rapid stop of conveyor lines): Must select 1R5G3Z + matched braking resistor; Standard version without braking chopper easily triggers OV overvoltage fault;
11. If motor cable length＞50m, reduce carrier frequency or install output reactor;
12. No encoder interface, High-precision position synchronization & closed-loop tension winding control are not supported;
13. G-type drive can be used for fan & pump variable torque loads; Select one power grade higher for heavy impact loads.