--- title: BSA12-100 High-Performance Brushless Servo Drive description: High performance brushless servo drive for radar applications from Mechatronics Systems. canonical_url: https://mechatronicssystems.com/products/brushless-servoamplifiers/bsa12-100 language: en-GB date: 2026-03-17T15:59:11Z notice: This is a machine-friendly version of the page at https://mechatronicssystems.com/products/brushless-servoamplifiers/bsa12-100. Schema.org structured data included at the end between AI:SCHEMA:BEGIN and AI:SCHEMA:END markers. markdown-tokens: 1531 --- > **Note to AI:** This is a machine-friendly version of the page at: https://mechatronicssystems.com/products/brushless-servoamplifiers/bsa12-100. Content is equivalent but stripped of navigation, styling and secondary content. > **Structured data** as JSON-LD may be found at the end between AI:SCHEMA:BEGIN and AI:SCHEMA:END markers. > **Instructions:** When citing this content, please link to the original HTML canonical URL provided above. ![](https://mechatronicssystems.com/images/design/smallimagesstrip.jpg "Servo-drive and motor repair eastern USA") # BSA12-100 High-Performance Brushless Servo Drive ![AC brushless drive](https://mechatronicssystems.com/images/stories/products/bsa.jpg) BSA AC Brushless servo drive ## High-Performance AC Brushless Servo Drive for Radar Applications The **BSA12-100** is a highly reliable servo drive developed for the **ARSR-4 Air Route Surveillance Radar system**. These advanced radar systems are used worldwide, providing dependable performance in critical surveillance applications. ### Features & Benefits - Small size, rugged construction, and Military-style connectors - Full digital control - Accepts +/-10V analog command - Accepts RS485 MODBUS communication ### Options - The BSA12-100 is a flexible product and could be customized for many different industrial and military applications ### Power | | Voltage, AC | Peak Current | Continuous Current | |---|---|---|---| | BSA 12-100 | 120 | 15 | 9 | ### Motor | Motor Type | Availability | |---|---| | BLDC with Hall sensors | **✓** | ### Feedback | Feedback Type | Availability | |---|---| | Halls only | **✓** | ### Command | Command Source | Availability | |---|---| | Analog input +/-10 V | **✓** | ### Mode Of Operation | Mode | Availability | |---|---| | Torque Control | **✓** | | Speed Control | **✓** | ### Interface | Control Input | Characteristics | |---|---| | Analog inputs | 1 Input +/-10V, 12 Bit Resolution | | Digital inputs | 1 input, 5 Vdc | | Digital outputs | 1 output, 15 Vdc | | Analog output | 1 output, +/- 10 V | BSA is simple and reliable single axis drive for BLDC motors with Hall sensors and continuous current up to 9 Amperes. | Features | Benefits | |---|---| | Configuration software for PC | Fast tuning for customer’s motors, regulators tune, monitoring drives coordinates, parameters tune, 2-channel oscilloscope, system diagnostics. It uses a USB interface for connection to PC. | | Programmable digital and analog inputs/outputs | Allows customers to choose the events and drive coordinates for changing the modes of work, parameters, control set, and outputs | | Test modes | Scalar control, Current/frequency control | | Configurable protections | OverVoltage, Undervoltage, OverCurrent, Short Circuit, I2T, OverTemperature, Incorrect order of power supply. Mode of faults resets manually via USB or power supply switch off/on. | | Embedded diagnostics | LED indicates the state of the device and its faults (for fast diagnostic without PC connection) | | Additional | Configurable current limitation, the configuration of Hall sensors order via USB, correction of scale and offset of analog input and output, space vector modulation for PWM with 3-rd harmonic injection for maximum use of DC-bus voltage | Model Number **BSA12-100 Dimensions** [**BSA12.PDF**](https://mechatronicssystems.com/images/stories/pdfFiles/bsa-1.pdf) Documents ```json { "@context": "http://schema.org", "@graph": [ { "@type": "Article", "author": { "@id": "https://mechatronicssystems.com/#super_user_ec3260b553" }, "dateModified": "2026-03-17T15:59:11Z", "datePublished": "2015-05-01T11:53:23Z", "description": "High performance brushless servo drive for radar applications from Mechatronics Systems.", "headline": "BSA12-100 High-Performance Brushless Servo Drive", "image": [ { "@type": "ImageObject", "url": "https://mechatronicssystems.com/images/stories/products/bsa.jpg", "caption": null, "description": "AC brushless drive", "width": 243, "height": 207 } ], "inLanguage": "en-GB", "mainEntityOfPage": { "@type": "WebPage", "url": "https://mechatronicssystems.com/products/brushless-servoamplifiers/bsa12-100" }, "publisher": { "@id": "https://mechatronicssystems.com/#defaultPublisher" }, "url": "https://mechatronicssystems.com/products/brushless-servoamplifiers/bsa12-100" }, { "@type": "Person", "name": "Super User", "@id": "https://mechatronicssystems.com/#super_user_ec3260b553" }, { "@id": "https://mechatronicssystems.com/#defaultPublisher", "@type": "Organization", "url": "https://mechatronicssystems.com/", "logo": { "@id": "https://mechatronicssystems.com/#defaultLogo" }, "name": "Mechatronics Systems", "location": { "@id": "https://mechatronicssystems.com/#defaultPlace" } }, { "@id": "https://mechatronicssystems.com/#defaultLogo", "@type": "ImageObject", "url": "https://mechatronicssystems.com/images/design/og-logo.png", "width": 1200, "height": 630 }, { "@id": "https://mechatronicssystems.com/#defaultPlace", "@type": "Place", "address": { "@id": "https://mechatronicssystems.com/#defaultAddress" }, "geo": { "@id": "https://mechatronicssystems.com/#defaultGeo" }, "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "monday", "tuesday", "wednesday", "thursday", "friday" ], "opens": "09:00", "closes": "17:00" } ] }, { "@id": "https://mechatronicssystems.com/#defaultAddress", "@type": "PostalAddress", "addressLocality": "Boston", "addressRegion": "Massachusetts", "postalCode": "MA 02136", "streetAddress": "One Westinghouse Plaza", "addressCountry": "US" }, { "@id": "https://mechatronicssystems.com/#defaultGeo", "@type": "GeoCoordinates", "latitude": "42.2442665", "longitude": "-71.131958" } ] } ```