5LS187.6-1 B & R Automation
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The B & R Automation 5LS187.6-1 is a logic scanner card from the 5LS Logic Scanner Cards series. It features a CAN controller SJA 1000 with isolation, supports a maximum baud rate of 500 kBit/s, and can operate at distances up to 1000 meters. The card offers a Powerlink data rate of 100 Mbps over a shielded RJ45 port and is equipped with 1 MByte SRAM and 20 KByte Powerlink buffer.
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Product Description:
The 5LS187.6-1 logic scanner card is produced by B&R Automation for the 5LS Logic Scanner Cards series. The module is a plug-in communication and relay card intended to bridge CAN and POWERLINK segments inside automated machinery. By combining network handling with discrete relay outputs on a single PCB, it reduces rack space and allows the main PLC to poll sensors and drive actuators with consistent scan times in packaging lines, assembly cells, and material handling stations. Its microprocessor supervises data buffering, bus arbitration, and galvanic isolation so time-critical status bits reach the controller bus reliably during normal operation.
The CAN side of the board is terminated by a 4-pin multipoint connector and is driven by an SJA 1000 controller that performs message filtering and error management at the hardware layer. Transmission speed reaches 500 kBit/s, which can be maintained over a trunk length of 1000 m when standard twisted-pair cabling and proper shielding are used throughout the network. A built-in isolation barrier separates field potential from logic ground to protect upstream electronics. Network ends are equipped with a factory-installed 120 Ω resistor that helps prevent signal reflections. An SRAM bank of 1 MB stores scan tables and status flags for deterministic retrieval.
On the POWERLINK side, the card integrates a buffer of 20 KByte to decouple frame bursts from backplane timing. Ethernet signaling is handled over a shielded RJ45 port that carries 100BASE-T traffic at a data rate of 100 Mbps in compliance with the ANSI/IEEE 802.3 standard. The electromechanical section uses normally open and normally closed relay contacts rated for a continuous load of 10 A and a switching voltage of 30 VDC, allowing direct interface to solenoids or lamp stacks without external amplifiers. This arrangement allows the card to manage network traffic while switching hardwired control signals through the relay section.
Frequently Asked Questions about 5LS187.6-1:
Q: What type of CAN connector is featured on the 5LS187.6-1 card?
A: This scanner card uses a 4-pin multipoint connector for CAN interfacing, ensuring flexible device connectivity.
Q: What is the CAN maximum baud rate on the 5LS187.6-1 logic scanner card?
A: The maximum CAN bus data rate supported by this model is 500 kBit/s.
Q: Is CAN communication isolated on the 5LS187.6-1 logic scanner card?
A: CAN communication on this card is isolated, providing protection against electrical interference.
Q: What is the relay continuous current rating for the 5LS187.6-1 scanner card?
A: The relay contacts can continuously handle up to 10 A, allowing robust switching for various loads.
Q: How much SRAM memory does the 5LS187.6-1 scanner card include?
A: This model is equipped with a 1 MByte SRAM for efficient logic scanning and data handling.
