BX3100 Beckhoff
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The Beckhoff BX3100 is a bus terminal controller from the BX Bus Terminal Controllers series. It features a 16-bit micro-controller, 256 kbyte data and program memory, and supports up to 2040 digital and 1024 analog I/O points. The controller operates at a supply voltage of 24 VDC, provides IP20 protection class, and can handle up to 64 K-bus terminals with a power contact load of 10 A.
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Product Description:
The BX3100 is a Bus Terminal Controller produced by Beckhoff as part of the BX Bus Terminal Controllers series. The unit integrates an embedded PLC with a PROFIBUS DP slave interface so it can process local signals and forward aggregated data to a main control level. It attaches directly to DIN-rail-mounted K-bus terminals and is used to coordinate modular analog and digital I/O in packaging lines, conveyors, and building services. Its purpose in industrial automation is to execute application code close to the process and minimize reaction time in distributed installations.
The controller maps up to 64 K-bus terminals and can draw a maximum of 1450 mA from the internal backplane, allowing dense signal clusters without an external power booster. It supports up to 1024 inputs/outputs on analog channels and 2040 inputs/outputs on digital signals, so a single device can handle large mixed-signal stations. Application variables are retained in 256 kbyte of data memory, while a separate 256 kbyte program memory holds the PLC code. A 16-bit microcontroller executes the tasks, the 24 VDC supply voltage feeds the logic, and a dielectric strength of 500 V helps shield the circuitry from field surges. The IP20 housing is intended for enclosed control cabinets.
Communication to the higher-level bus is handled through PROFIBUS DP. The BX3100 accepts cyclic frames of up to 244 bytes in and 244 bytes out and maintains deterministic updates at line speeds up to 12 MBaud. Internally, the PLC image table exposes 2048 input bytes and 2048 output bytes so large process maps can be transferred without segmentation. Separate 24 VDC power contacts feed the field circuits and can carry up to 10 A, simplifying distribution to sensors and actuators. Eight SS/BS slave devices can also be polled on the serial sub-bus, and the common 24 VDC contact voltage keeps the entire terminal row in the same low-voltage class.
Frequently Asked Questions about BX3100:
Q: How many analog I/O points can the Beckhoff BX3100 handle?
A: The BX3100 supports up to 1024 analog input and output points for precise control applications.
Q: What is the total number of digital I/O points available on the BX3100?
A: This controller features 2040 digital input and output points, allowing for extensive device connections.
Q: What are the memory capacities of the Beckhoff BX3100 controller?
A: The BX3100 is equipped with both 256 kbyte of program memory and 256 kbyte of data memory.
Q: What supply voltage does the Beckhoff BX3100 require?
A: The BX3100 is designed to operate at a supply voltage of 24 VDC.
Q: What is the maximum PROFIBUS rate supported by the BX3100?
A: This model achieves a maximum PROFIBUS data rate of 12 MBaud for high-speed communication.
