EL7221-9014
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The EL7221-9014, from Beckhoff's EL EtherCAT Terminals series, is a 1-channel digital output designed for servo and stepper drives with a PTO output. It supports up to 1 MHz pulse frequency and offers a 24 V DC output voltage. This compact terminal measures 12 mm wide, 100 mm high, and 68 mm deep.
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Product Description:
The EL7221-9014 EtherCAT Terminal is a compact and high performance 1 channel motion interface developed for servo drive control in limited space applications. The model is designed specifically for AM8100 series servomotors.
The Beckhoff EL7221-9014 EtherCAT terminal supports current outputs up to 8 A at 48 V DC. It is integrated with One Cable Technology (OCT). The terminal enables combined transmission of motor power and feedback in a single cable. It is suitable for Safe Torque Off (STO) applications. The terminal simplifies motor setup and cabling while supporting advanced dynamic motion tasks through its precise servo control design. The model features multiple performance oriented specifications. It provides continuous output current of 7.0 A up to + 55 °C and 8.0 A up to + 45 °C when used with the ZB8610 fan cartridge. Peak output current reaches 16.0 A for one second at + 55 °C. The supported rotating field frequency ranges from 0 to 599 Hz that is suitable for flexible motor control. Its PWM clock frequency is 16 kHz while the current controller operates at 32 kHz and the rated speed controller also runs at 16 kHz.
The EL7221-9014 EtherCAT terminal from the EL series provides 24 V DC output voltage for the motor brake with a maximum output brake current of 0.5 A. Current consumption is optimized with typical values of 100 mA for power contacts (plus holding current for motor brake) and 120 mA for the E bus. Integrated diagnostic features support fault detection and system transparency. Distributed clocks in the terminal support precise synchronization for EtherCAT communication. It supports plug and play functionality, track control and absolute feedback that ensures accurate and repeatable motion control.
Frequently Asked Questions about EL7221-9014:
Q: How does the EL7221-9014 maintain thermal stability under high current operation?
A: The EL7221-9014 delivers 8.0 A continuous current at +45 °C with the ZB8610 fan cartridge. It sustains 7.0 A up to +55 °C without additional cooling.
Q: Can the Beckhoff EL7221-9014 EtherCAT terminal handle dynamic motor loads reliably?
A: Yes it supports peak output current of 16.0 A for one second at +55 °C. This enables responsive motion control under load changes.
Q: How does EL7221-9014 EtherCAT terminal enhance synchronization in servo systems?
A: Its distributed clocks allow precise timing across the EtherCAT network. This ensures accurate synchronization in multi-axis and high-speed applications.
Q: What makes cabling efficient in the Beckhoff EL7221-9014 terminal setup?
A: It integrates One Cable Technology for power and feedback through a single line. This reduces wiring complexity in space-constrained environments.
Q: How does the EL7221-9014 terminal support accurate motion tracking?
A: The terminal offers plug and play support along with absolute feedback. It delivers repeatable motion control with high precision and minimal delay.
