WESTINGHOUSE E510 series compact AC frequency converter (VFD)

Product Overview

Product positioning: The E510 series is a compact AC frequency converter (VFD) launched by TECO Westinghouse, featuring miniaturization and easy configuration. It is suitable for motor speed control and can directly replace old VFDs, catering to various needs from simple constant speed scenarios to permanent magnet motor drives.

Core identification: Protection level IP20/NEMA 1, compliant with IEC 60018-2-78, UL, cUL, CE, RoHS certification standards.

Application scenarios: covering various motor drive scenarios such as conveyors, mixing equipment, fans, blowers, pumps, lathes, and AC contactor replacements.

Core technical parameters

Parameter category specific specifications

Power range 230V: 0.5-40 HP (1-phase/3-phase input); 460V: 1-75 HP (3-phase input)

Input voltage level 230V: 200-240VAC (+10%/-15%); 460V level: 380-480VAC (+10%/-15%)

Three control modes: V/Hz, sensorless vector (SLV), and permanent magnet sensorless vector (PMSLV)

Frequency Characteristics: Frequency Range: 0-599Hz; Frequency Accuracy: Digital Input 0.01Hz, Analog Input 0.1%

Speed ratio 50:1

Starting torque SLV mode: 150%/1Hz; V/Hz mode: 150%/3Hz

Overload capacity 150% rated output current/1 minute; 120% rated output current/1 minute (5/6 frame)

Carrier frequency 1-16kHz (adjustable)

Functional characteristics

（1） Control and regulation functions

Core control function:

Built in PLC function, supporting simple logic programming.

PID process control loop, including sleep mode, 0-10VDC/4-20mA feedback, and feedback loss detection.

Automatic Voltage Regulation (AVR) can stabilize the output voltage to cope with input voltage fluctuations.

Frequency and speed settings:

Adjustment methods: keyboard potentiometer, external terminal input, 0-10VDC/4-20mA signal, pulse input, up and down key adjustment.

Acceleration and deceleration configuration: 2 sets of acceleration and deceleration time (0-3600 seconds), supporting jog acceleration and deceleration settings and S-shaped slope.

V/Hz characteristics: 18 preset V/Hz curves+user-defined curves, supporting voltage (torque) increase adjustment.

Special functions: Rotating load start, sensorless vector automatic tuning, permanent magnet motor control, DC injection braking, power outage ride through.

（2） Operation and Configuration

Operation interface: 5-digit LED keyboard with speed potentiometer, supporting parameter programming, diagnostic monitoring, and adjustable display.

Parameter management: Parameters are grouped by function for convenient configuration; Support remote keyboard installation (including expansion cable).

Auto run: Supports Auto run mode.

I/O and Communication Interface

（1） I/O interface specifications

Specific configuration of interface type

6-channel configurable digital input, 39 optional functions, supports normally open/normally closed settings, powered by 24V power supply, including pulse input

Digital output with 2 relay outputs, 20 optional functions, supporting normally open/normally closed settings, contact capacity of 250VAC/1A, 30VDC/1A

Analog input with 2 channels, switchable between 0-10VDC or 4-20mA, supports gain and bias adjustment, used for speed reference or PID feedback

Analog output 1 channel 0-10VDC output, 5 configurations (output frequency, set frequency, output current, etc.), supporting gain and bias adjustment

Special safety input for safety input (factory jumper short circuit), cut off the output of the frequency converter when disconnected

Power supply: Built in 24VDC power supply, maximum output current of 60mA; 10V power supply (maximum 20mA), used for external potentiometer power supply

（2） Communication function

Built in RS485 interface, supporting Modbus RTU or BACNet protocols.

Equipped with RJ45 interface and optional USB communication cable (JN5-CM-USB) for PC connection.

Protection features

Specific parameters of protection type

Overload and locked rotor protection support 150%/1-minute overload protection during acceleration, deceleration, and constant speed stages

Overcurrent protection triggered when instantaneous current exceeds 200%

Bus voltage protection overvoltage: 230V input>410VDC, 460V input>810VDC; Undervoltage: 230V input<190VDC, 460V input<380VDC

Other protective grounding faults, phase loss protection, overheating protection, PID feedback loss protection, external fault settings, fire protection mode

Environmental and physical parameters

Environmental adaptability:

Working temperature: -10~+50 ℃; Storage temperature: -20~+70 ℃.

Humidity: ≤ 95% RH (no condensation).

Vibration/impact: 20HP and below 1g (32.2ft/sec ²); 20-25HP 0.6g（19.3ft/sec²）。

Physical dimensions and weight:

230V 1/3 phase input (0.5-3HP): Size 7.43 x 3.57 x 5.96 inches, weight 3.5lbs.

460V 3-phase input (75HP): Size 20.67 × 11.28 × 10.62 inches, weight 77.2lbs.

Standardized terminal design allows for wiring without the need for specialized micro tools.

Model and accessories

（1） Core model classification

Input voltage, input phase, power range, model example

230V 1-phase/3-phase 0.5-3HP E510-2P5-H-U (0.5HP), E510-203-H-U (3HP)

230V 3-phase 5-40HP E510-205-H3-U (5HP), E510-240-H3-U (40HP)

460V 3-phase 1-75HP E510-401-H3-U (1HP), E510-475-H3-U (75HP)

（2） Optional attachments

Attachment Name Model Function

Remote keyboard extension cable JN5-CM-01M/02M/03M/05M extends keyboard installation distance

USB communication cable JN5-CM-USB connects RS485 to PC (USB interface)

LCD operation keyboard JN5-OP-A02 replaces standard LED keyboard, IP20 protection

Parameter copying unit JN5-CU uploads/downloads frequency converter parameters

NEMA 1 protective kit JN5-NK-E01~E04 enhances protection level and is compatible with 1-4 frames

Dust stickers JN5-ECOV1~ECOV4 prevent foreign objects from entering, compatible with 1-4 frames

Key issues

Question 1 (Functional Adaptability): How do the control modes and core functions of E510 frequency converters match different motor drive scenarios?

Answer: E510 provides three control modes that can be adapted to different scenarios: ① Simple constant speed scenarios (such as ordinary fans and pumps): choose V/Hz mode, paired with 18 preset V/Hz curves to meet basic speed control requirements; ② Scenarios with high requirements for starting torque and speed regulation accuracy (such as conveyors and lathes): adopting sensorless vector (SLV) mode, 150%/1Hz starting torque can cope with heavy load starting, and 50:1 speed ratio ensures operational stability; ③ Permanent magnet motor drive scenario (such as high-efficiency energy-saving equipment): Choose permanent magnet sensorless vector (PMSLV) mode, combined with automatic setting function, to fully utilize the energy-saving advantages of permanent magnet motors. At the same time, the built-in PID control can adapt to closed-loop control scenarios (such as pump equipment with pressure and flow control), and the built-in PLC function can simplify external control logic and reduce additional controller configurations.

Question 2 (Selection and Installation): How to adapt the power coverage and physical characteristics of E510 frequency converter to different installation environments, and what parameters should be focused on when selecting?

Answer: There are three key points to focus on when selecting and installing: ① Power and voltage matching: 230V level covering 0.5-40HP (1-phase/3-phase input), suitable for civilian or small industrial scenarios; 460V level covers 1-75HP (3-phase input), suitable for medium and large industrial equipment, and the corresponding model needs to be selected according to the rated power and voltage of the motor; ② Installation space adaptation: The product size ranges from 7.43 × 3.57 × 5.96 inches (low power) to 20.67 × 11.28 × 10.62 inches (high power). The miniaturized design facilitates the renovation and replacement of old equipment, and the corresponding frame size needs to be selected according to the installation space; ③ Environment and Protection: The protection level is IP20/NEMA 1, suitable for indoor dust-free environments. If protection needs to be improved, NEMA 1 kits or dust-proof stickers can be used (note that the current should not exceed 70% of the rated value after sticker installation). At the same time, it must meet the environmental requirements of working temperature -10~+50 ℃ and humidity ≤ 95% RH (no condensation).

Question 3 (Expansion and Maintenance): How do the I/O interfaces, communication functions, and accessories of the E510 frequency converter support system integration and post maintenance?

Answer: ① I/O expansion: 6 configurable digital inputs (39 functions), 2 relay outputs (20 functions), and 2 analog inputs/outputs, which can flexibly interface with external devices such as sensors, actuators, buttons, etc., to meet complex control logic requirements; ② Communication integration: Built in RS485 interface (Modbus RTU/BACNet), supports communication with upper computers such as PLC and touch screen, optional USB cable for PC parameter configuration, facilitating centralized system control; ③ Maintenance convenience: equipped with LED keyboard (supports remote installation), can directly program parameters and diagnose faults; Optional LCD keyboard and parameter copying unit, simplifying the unified configuration of parameters for multiple devices; The NEMA 1 kit and dust stickers are standard accessories for easy replacement and maintenance in the future, ensuring long-term stable operation of the equipment.