Yaskawa CIMR-F7A20P4 AC Drive

The Yaskawa CIMR-F7A20P4 is a high‑performance variable frequency AC drive belonging to the renowned F7 series. This drive is engineered to provide precise speed and torque control for three‑phase induction motors rated up to 2.2 kW (3 HP). It features Yaskawa’s advanced vector control technology, delivering high starting torque (up to 150% at 0.3 Hz) and excellent speed regulation across a wide operating range, making it suitable for demanding applications such as conveyors, fans, pumps, and machine tools.

The F7 series is known for its robust construction, ease of programming, and comprehensive protection features. The CIMR-F7A20P4 incorporates a built‑in EMC filter to reduce electromagnetic interference, an intuitive keypad for local control, and multiple communication options for integration into PLC‑based systems. Its compact design allows for space‑efficient panel mounting.

Electrical and Performance Specifications

• Rated motor capacity: 2.2 kW (3 HP)

• Rated output current: 5.4 A (at 200‑240 V AC, 3‑phase)

• Input voltage: 200‑240 V AC (±10%), 50/60 Hz (±5%)

• Control method: V/f, open‑loop vector, closed‑loop vector (with optional encoder)

• Starting torque: 150% at 0.3 Hz (vector control)

• Speed regulation: ±0.5% (open‑loop vector), ±0.02% (closed‑loop)

• Frequency range: 0.01‑400 Hz

• Overload capacity: 150% for 60 seconds, 200% for 1 second

• Digital inputs: 6 (programmable), output: 1 (relay) + 1 (open‑collector)

• Analog inputs: 2 (0‑10V, 4‑20mA), output: 1 (0‑10V)

• Communication: RS‑422/485 (Modbus RTU standard, optional Profibus, DeviceNet)

• Protection functions: Overcurrent, overvoltage, undervoltage, overload, short‑circuit, ground fault, thermistor input

Functional Capabilities

• Autotuning: The drive automatically measures motor parameters (resistance, leakage inductance) to optimize vector control performance without manual calculations.

• PID control: Built‑in PID controller for closed‑loop process control (pressure, flow, level) without external controllers.

• Energy saving: Optimal excitation control reduces motor losses at light loads, improving overall system efficiency.

• Fault ride‑through: The drive can continue operation during momentary voltage dips by reducing output speed, preventing process interruptions.

• Keypad with copy function: The digital operator allows parameter copying to other drives for quick setup.

Typical Applications

• Conveyor belts: Speed control of continuous material handling systems.

• Centrifugal pumps and fans: Variable flow control with significant energy savings.

• Machine tool spindles: Precise speed regulation for milling and grinding operations.

• Packaging machinery: Synchronizing multiple motors in a line.

Installation and Configuration

Mount the CIMR-F7A20P4 vertically on a heat‑conductive panel. Ensure adequate clearance (100 mm top/bottom) for air circulation. Wiring should be done with shielded cables for the control terminals and properly sized power cables. Parameter setting is simplified via the keypad or through Yaskawa’s DriveWizard software (PC). The drive supports multiple preset speeds and programmable acceleration/deceleration ramps.

Standards and Environment

This drive complies with CE (EMC and LVD), UL, and cUL standards. It is rated for operation in ambient temperatures from -10°C to +40°C (derating up to +50°C) and humidity below 95% (non‑condensing). The enclosure provides IP20 protection.

Conclusion

The Yaskawa CIMR-F7A20P4 AC drive combines powerful performance, versatile control options, and robust reliability, making it an excellent choice for motor speed control in a wide range of industrial applications. Its advanced vector control and comprehensive protection ensure long service life and reduced downtime.