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Servo Amplifier For Brushless DC-Motors

Servo Amplifier For Brushless DC-Motors

Product catalog summary

Introduction
ElectroCraft® is a global leader in servo motion control solutions, providing application-engineered motor and drive solutions for industrial and commercial applications worldwide, with operations in the USA, Europe, and Asia.

Product Specifications
ElectroCraft® offers servo amplifiers for brushless DC motors in 2-Q and 4-Q configurations. These amplifiers support a power supply voltage range of 9-70 VDC and nominal current ratings between 5-40 A, suitable for applications such as pumps, office equipment, and medical devices.

Technical Features

Rugged miniature aluminum case for easy integration.
Tool-free mounting of power terminal strips.
Wide input voltage range (11-70 VDC).
Protection against overcurrent, overheat, and short-circuit.
MOSFet technology with up to 95% efficiency.

Control and Functionality

Speed control via Hall sensors and digital encoders.
Adjustable ramp and brake functions.
Universal set value input and multiple control inputs (TTL/24V).
LED indicators for operational status.

Models Overview
The document details specifications for models such as EA2708, EA2716, EA2724, EA4709, EA4718, SCA-B4-70-10, and SCA-B4-70-30, each varying in nominal current, peak current, and maximum power output.

Environmental Conditions

Operating temperature: -10 to +45°C.
Storage temperature: -40 to +85°C.
Humidity: 20-80% relative, non-condensing.

Technical Specifications

Power Supply Voltage: Ranges from 11-70 VDC for SCA-B4-70-30, 12-40 VDC for SCO-B1-40-05-01, and others.
Nominal Current: Up to 30 A for SCA-B4-70-30, 5 A for SCO-B1-40-05-01, and others.
Peak Current: 60 A for SCA-B4-70-30, 10 A for SCO-B1-40-05-01.
Efficiency: 95% across all models.
Maximum Power with Heatsink: 2100 W for SCA-B4-70-30, 175 W for SCO-B1-40-05-01, and others.
Frequency of Power Output Stage: 49 kHz for SCA-B4-70-30, 20 kHz for other models.

Control Inputs

Set Value: -10 to +10 VDC for SCA-B4-70-30, 0 to 5 V for other models.
Encoder Input Signals: Channel A, B/TTL, max. 100 kHz for SCA-B4-70-30.
Enable/Disable: 8-30 VDC for SCA-B4-70-30, Open Collector/TTL/CMOS/Switch for other models.

Outputs

Auxiliary Voltage Source for Hall Sensors: +5 VDC/100 mA for SCA-B4-70-30, +6 V/20 mA for other models.
Supervision Output: Ready/Error, Open Collector max. 30 VDC for SCA-B4-70-30.

Mechanical Data

Dimensions (L x W x H): Varies by model, e.g., 200 x 100 x 80 mm for SCA-B4-70-30.
Weight: Varies by model, e.g., 1100 g for SCA-B4-70-30.

Ambient Conditions

Operation Temperature: -10 to +45°C for all models.
Storage Temperature: -40 to +85°C for all models.
Humidity Range: 20-80% relative, non-condensing for all models.

Operation Modes

Speed-control by hall sensors and encoder, torque-control, 4-Q PWM Servo for brushless DC Motors.

Features

Servo Amplifier in small/open module form.
Compact mounting form with screw terminals.
Control input disable and direction.
Protected against over current and over temperature.
Current limitation adjustable.
Universal set value input.
MOSFet-technology with 95% efficiency.

Overview
The document is a technical datasheet for the SCP-B1-40-05, SCP-B1-40-05-77, and SCP-B1-20-10/SCP-B1-50-10 servo amplifiers designed for brushless DC motors, featuring compact and efficient MOSFET technology.

Specifications

Power Supply Voltage: 12-40 VDC for SCP-B1-40-05 and SCP-B1-40-05-77; 12-20 VDC / 20-50 VDC for SCP-B1-20-10/SCP-B1-50-10.
Nominal Current: Up to 5 A for SCP-B1-40-05 and SCP-B1-40-05-77; 10 A for SCP-B1-20-10/SCP-B1-50-10.
Peak Current: Up to 10 A.
Maximum Power with Heatsink: 150 W for SCP-B1-40-05, 175 W for SCP-B1-40-05-77, and 175 W / 475 W for SCP-B1-20-10/SCP-B1-50-10.
Efficiency: 95%.
Frequency of Power Output Stage: 20 kHz.

Control Inputs

Disable and Direction inputs compatible with Open Collector, TTL, CMOS, or Switch.
Set Value Input: 0-5 V for SCP-B1-40-05 and SCP-B1-20-10/SCP-B1-50-10; 0-10 V for SCP-B1-40-05-77.

Potentiometer Functions

Speed, Current Maximum, and Speed Maximum (nmax).

Outputs

Auxiliary Voltage Source for Hall Sensors: +6 V / 20 mA.

Mechanical Data

Dimensions: Approximately 94 x 55 x 33 mm for SCP-B1-40-05 and SCP-B1-40-05-77; 94 x 55 x 39 mm for SCP-B1-20-10/SCP-B1-50-10.
Mounting Hole Distance: 39 x 87 mm for SCP-B1-40-05; 39 x 84 mm for SCP-B1-40-05-77 and SCP-B1-20-10/SCP-B1-50-10.
Weight: Approximately 120 g for SCP-B1-40-05 and SCP-B1-40-05-77; 140 g for SCP-B1-20-10/SCP-B1-50-10.

Ambient Conditions

Operating Temperature: -10 to +45°C.
Storage Temperature: -40 to +85°C.
Humidity Range: 20-80% relative, non-condensing.

Operation Mode
Speed control by Hall sensors for 2-Q PWM Servo - 05 A and 10 A models, suitable for brushless DC motors up to 150 W and 475 W respectively.

Additional Features

Protected against overcurrent and overtemperature.
Adjustable current limitation.
Compact form with screw terminal connections.

Contact Information
ElectroCraft Ltd., Crewe Trade Park, Gateway, Crewe Cheshire, CW1 6JT, United Kingdom. Phone: +44 (0)1270 - 580142, Email: [email protected], Website: www.electrocraft.com.

Servo Amplifier For Brushless DC-Motors

Servo Amplifier For Brushless DC-Motors

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