BK5151/PL3
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The Beckhoff BK5151/PL3, part of the BK EtherCAT Bus Coupler Series, features a D-sub 9-pin socket bus interface. This coupler has automatic detection data transfer rates up to 1 Mbaud and supports 64 bus terminals expandable to 255. It weighs about 100 grams and conforms to EMC standards EN 61000-6-2/EN 61000-6-4.
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Product Description:
The Beckhoff BK5151/PL3 is a lightweight EtherCAT bus coupler from the BK EtherCAT Bus Coupler Series, weighing 100 grams or less, designed for efficient and reliable data communication in industrial environments. This coupler supports 64 bus terminals, which can be extended to 255 terminals with the K-bus extension, providing scalability for larger systems. It supports 16 Tx/Rx PDOs for data transmission and CANopen, with additional CANopen features like life monitoring, node guarding, emergency object handling, variable mapping, and store/restore, making it versatile for a wide range of automation applications.
The BK5151/PL3 automatically detects data transfer rates up to 1 Mbaud, ensuring optimal performance and reliability. The bus interface utilizes a D-sub 9-pin socket, and data is transmitted via a screened, twisted copper cable for robust communication in industrial environments. The coupler operates with a 24 V DC power supply, and includes diagnostic LEDs for power supply, K-bus, and fieldbus, providing clear and immediate status feedback during operation. With 1750 mA current supply for the K-bus, the BK5151/PL3 ensures adequate power distribution to connected bus terminals. It supports various PDO modes, including synchron, cyclic, event-driven, and polling, offering flexible communication configurations depending on the application.
The device is designed to withstand harsh environments, operating within a temperature range of -25°C to +60°C and conforming to EN 60068-2-6/EN 60068-2-27 standards for vibration and shock resistance. This makes it durable enough for industrial settings where environmental stressors may be a factor. The BK5151/PL3 leverages the EtherCAT protocol’s ability to use distributed clocks for precise synchronization, providing network-wide time accuracy with a jitter of less than 1 microsecond. These high-resolution clocks can also improve the accuracy of data acquisition timing, essential in applications where velocity calculations are derived from sequentially measured positions.
Frequently Asked Questions about BK5151/PL3:
Q: What is the maximum number of bus terminals for this device?
A: The device can support up to 64 bus terminals, or 255 with a K-bus extension.
Q: What is the maximum number of bytes for the fieldbus?
A: The maximum number of bytes is 16 Tx/Rx PDOs.
Q: What additional features does this device offer for CANopen?
A: The device includes additional CANopen features such as life monitoring, node guarding, emergency object handling, variable mapping, and store/restore capabilities.
Q: What are the data transfer rates supported by this device?
A: The device supports automatic detection of data transfer rates up to 1 Mbaud.
Q: What type of bus interface does this device use?
A: The bus interface is a D-sub 9-pin socket.
