Selec VFD-S-1 AC Drive with Removable HMI
Selec VFD-S AC Drive – 1HP (0.75kW), 1-Phase 230V | VFD-S-1-010-230V
Highly reliable V/F control AC drive with detachable keypad, PI control, 150% overload capacity, multi-speed inputs, RS485 Modbus, and built-in braking unit. Ideal for pumps, fans, conveyors, packaging, and textile machines.
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The Selec VFD-S Series AC Drive is a compact, robust, and economical motor control solution featuring V/F control, 150% overload capability, detachable keypad, PI control, multi-speed inputs, and RS485 Modbus communication. Designed for general-purpose industrial applications, it provides stable torque, smooth acceleration/deceleration, and high reliability in continuous-duty environments.
Key Features
V/F Scalar Control for smooth speed regulation
150% overload capacity for 60 seconds; 180% for 10 seconds (starting torque)
Automatic Voltage Regulation (AVR) ensures stable motor voltage
Detachable keypad with 5-digit display and status LEDs
Built-in PI Controller with analog feedback support
Built-in DC braking and adjustable carrier frequency (2–10 kHz)
5 multifunction digital inputs (RUN, STOP, FWD/REV, JOG, Preset Speeds)
Analog inputs: 0–10V / 0–20mA selectable
Relay output + analog output (0–10V / 0–20mA)
RS485 Modbus RTU communication
0.1 Hz frequency resolution, 0.1–400 Hz output frequency
IP20-rated enclosure; –10°C to +55°C operating range
Technical Specifications
Electrical Ratings
| Parameter | Specification |
|---|---|
| Model | VFD-S-1-010-230V |
| Motor Power | 1 HP (0.75 kW) |
| Input Supply | 1-Phase 230VAC, 50/60Hz |
| Output Current | 5A |
| Voltage Tolerance | ±15% (195–265 V) |
| Frequency Tolerance | ±5% (47–63 Hz) |
| Output Frequency | 0.1–400 Hz |
| Carrier Frequency | 2–10 kHz |
Control Characteristics
| Feature | Specification |
|---|---|
| Control Mode | V/F scalar control (SVPWM based) |
| Frequency Resolution | 0.1 Hz |
| Overload Rating | 150% (60 s), 180% (10 s) |
| Accel/Decel Time | 0.0–3600 s |
| Braking Torque | Up to 150% with DC injection |
| Skip Frequency | 2 zones, 0.1–400 Hz |
I/O Details
| I/O Type | Specification |
|---|---|
| Digital Inputs | 5 (PNP/NPN selectable) X1–X5 |
| Analog Inputs | AI1: 0–10V, AI2: 0–10V/0–20mA |
| Analog Output | AO: 0–10V or 0–20mA |
| Relay Output | 1 NO/NC (5A, 250VAC) |
| Communication | RS485 Modbus RTU |
Environmental Conditions
| Parameter | Specification |
|---|---|
| Protection Level | IP20 |
| Ambient Temperature | –10°C to +55°C |
| Storage Temperature | –20°C to +60°C |
| Humidity | <90% RH (no condensation) |
| Vibration | <5.9 m/s² (0.6g) |
Applications
Fans and blowers
Pumps (water, coolant, dosing)
Conveyors and material movement
Food & beverage packaging machinery
Industrial washing machines
Textile and general-purpose machinery
What’s in the Box?
VFD-S AC Drive Unit
Mounting screws
User manual
Warranty card
FAQs
Q1. Can I control the drive using 0–10V or 4–20mA?
Yes, AI2 supports selectable voltage or current input.
Q2. Does the drive include a braking unit?
Yes, the VFD-S series has a built-in braking unit (resistor required externally).
Q3. Is RS485 Modbus available?
Yes, full Modbus RTU support is provided for external PLC/SCADA communication.
Q4. Does it support JOG and multi-speed modes?
Yes, via terminals X1–X5.
Q5. What protections are included?
Over-voltage, under-voltage, over-current, overload, over-temperature, under-current, and short-circuit protection.
Q6. Is the keypad removable?
Yes, the keypad is detachable (as shown on datasheet page 4).