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Specification & Description
| Specification | Description |
|---|---|
| Part Number | EL7211 |
| Manufacturer | Beckhoff |
| Type | Servomotor Terminal with Resolver Interface |
| Supply Voltage (Power) | 8 to 50 Vdc |
| Supply Voltage (Electronics) | 24 Vdc (via power contacts) |
| Output Current (Irms) | 4.5 A |
| Motor Type Supported | Permanent magnet-excited three-phase synchronous motor |
| Number of Channels | 1 |
| Number of Outputs | 1 x servo motor, 1 x motor brake |
| Number of Inputs | 1 x feedback |
| Connection Method | Direct motor connection + feedback |
| Weight | 95 g |
| Approvals | CE, UL |
| Accessories | EL9576 brake chopper terminal, 72 V, 155 µF (optional) |
| Compatible Motors | Motors from the AM8100 and AM3100 series |
| Control Technology | Fast control technology based on field-orientated current and PI speed control |
| Operational Reliability | Monitoring of overvoltage, undervoltage, overcurrent, terminal temperature, motor load (I²T) |
| System Communication | EtherCAT |
| Application Layer | CAN-over-EtherCAT (CoE) |
| Status Indicators | 16 LEDs for status, warning, and error messages, as well as active limitations |
The Beckhoff EL7211 servomotor terminal is a compact and high-performance drive component designed to facilitate precise and dynamic positioning tasks. This EtherCAT Terminal, with an integrated resolver interface, is optimised for use with motors from the AM8100 and AM3100 series, supporting up to 4.5 A (Irms). Its advanced control technology, which includes field-oriented current and PI speed control, ensures rapid response times and exceptional servo performance within a very compact design.
The EL7211 is equipped with comprehensive monitoring capabilities to ensure maximum operational reliability. It can detect and manage a range of parameters such as overvoltage, undervoltage, overcurrent, terminal temperature, and motor load through an I²T model calculation. The integration of EtherCAT for system communication and CAN-over-EtherCAT (CoE) for the application layer allows for seamless interfacing with PC-based control technologies.
Featuring the latest in power semiconductor technology, the EL7211 minimises power loss and facilitates energy recuperation during braking processes. The terminal is also user-friendly, with 16 LEDs that provide clear status, warning, and error messages, as well as indications of any active limitations.
Designed for direct motor connection plus feedback, the EL7211 requires a 24 V DC supply voltage for electronics and an 8 to 50 V DC supply voltage for power. This servomotor terminal is a testament to Beckhoff's commitment to innovation, offering a solution that combines efficiency, reliability, and high-level performance for sophisticated automation tasks.
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Frequently Asked Questions
What type of motor does this servo drive terminal support?
The servo drive terminal is designed to support permanent magnet-excited three-phase synchronous motors.
Can this terminal be used for dynamic positioning tasks?
Yes, the EL7211 features fast control technology, including field-orientated current and PI speed control, which supports fast and highly dynamic positioning tasks.
What are the voltage requirements for this terminal?
The electronics of the terminal require a supply voltage of 24 V DC via power contacts, and the power supply voltage ranges from 8 to 50 V DC.
Does this terminal have any protective features?
The terminal includes several protective features, such as monitoring for overvoltage, undervoltage, overcurrent, terminal temperature, and motor load via the calculation of an I²T model, ensuring maximum operational reliability.
How does this terminal interface with control technology?
The terminal utilises EtherCAT for high-performance system communication and CAN-over-EtherCAT (CoE) for the application layer, enabling optimal interfacing with PC-based control technology.
What feedback mechanism is integrated into this terminal?
The terminal has an integrated resolver interface for motor feedback, which is suitable for motors from the AM8100 and AM3100 series.
What is the maximum current rating for this servo drive terminal?
The terminal has a maximum current rating of 4.5 A (Irms).
Are there any visual indicators on the terminal?
Yes, the terminal is equipped with 16 LEDs that indicate status, warning and error messages, as well as any possibly active limitations.
Can this terminal be used with a motor brake?
Yes, the terminal provides an output for connecting a motor brake.
Is there an accessory available to enhance the functionality of this terminal?
An accessory such as the EL9576 brake chopper terminal can be used with the EL7211 to enhance its functionality.
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