BC9000

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The BC9000 is a compact Bus Terminal Controller supporting up to 64 Bus Terminals and 512 digital inputs/outputs. Manufactured by Beckhoff as part of the BC Bus Terminals Series, it operates with a 24 V DC power supply and supports TwinCAT ADS and Modbus TCP protocols. It has a data transfer rate of 10/100 Mbit/s.

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Product Description:

Beckhoff manufactured the BC9000 is an Ethernet TCP/IP bus terminal controller. It combines PLC features for automation in industry. Beckhoff is known for its automation solutions. The controller was made to give reliable control and flexible connectivity for a wide range of automation tasks.

The BC9000 ethernet TCP/IP bus terminal controller can be programmed with Twin CAT using either an Ethernet or serial port that meets IEC 61131-3 standards. The PLC cycle of the controller is around 1.5 ms for 1,000 IL orders, if the I/O cycle is not included. The memory capacity is 64/128 kB for data and 4 kB for fixed markers. These will retain the data in memory in the event of a power outage. This size is capable of accommodating up to 64 bus terminals, 256 digital I/O inputs, and 128 analog I/O inputs. Computer programs like IL, LD, FBD, ST, and SFC are available for use. The controller's diagnostic LEDs will display information regarding power, Ethernet link, action, and I/O problems. The bus terminal controller is compatible with both ADS and Modbus TCP for communication. Using auto-negotiation, it can manage data transfers at speeds of 10/100 Mbit/s.

The BC9000 bus terminal controller has an IP20 rating and a weight of approximately 1.17 kg. The controller operates on a 24 VDC input and features a solitary RJ45 Ethernet port. The 4,080-byte persistent data area and the runtime system that manages a single PLC task are two specifications. The bus controller is an excellent option for automation projects that require reliable cycle speed and secure information administration. The flexible positioning of the distributor hub is made possible by the cable's ability to be stretched up to 100 meters.

Analog Peripheral Signals
128 inputs/outputs
Bus Interface
1×RJ45
Configuration
via KS2000 or Ethernet
Data Rate
10/100 Mbit/s (auto-negotiation)
Digital Peripheral Signals
512 inputs/outputs
Input Current
70 mA + (K-bus current/4); max 500 mA
Max Fieldbus Bytes
512 byte input, 512 byte output
Max Process Image Bytes
512 byte input, 512 byte output
Number of Bus Terminals
64
Operating Temperature
-25 to +60°C
Power Supply
24 V DC (−15%/+20%)
Recommended Fuse
≤10 A
Starting Current
2.5× continuous current
Supported Protocols
TwinCAT ADS, Modbus TCP

Frequently Asked Questions about BC9000:

Q: Why does BC9000 support up to 64 bus terminals?

A: The controller supports up to 64 bus terminals that allow modular expansion for various I/O configurations. This enables flexible system architecture and scalability.

Q: How does BC9000 achieve a 1.5 ms cycle time?

A: The controller utilizes optimized PLC processing that executes 1,000 IL commands in approximately 1.5 ms. This ensures a fast response for control tasks.

Q: Why does BC9000 have 4 kB remanent flags?

A: The 4 kB remnant flags in the controller retain critical data during power loss. This feature ensures data consistency and process reliability.

Q: Does BC9000 support multiple programming languages?

A: Yes, the controller supports IEC 61131-3 languages like IL, LD, FBD, ST, and SFC. This allows programming flexibility for diverse automation projects.

Q: How do diagnostic LEDs benefit BC9000 users?

A: Diagnostic LEDs on the controller provide immediate visual feedback on power, PLC status, I/O errors, and Ethernet activity. This simplifies troubleshooting and monitoring.


Internal Product Review

  • ‘‘The BC9000 Bus Terminal Controller is a reliable choice for demanding control applications. Its 1.5 ms PLC cycle time, support for 256 digital I/O, and 128 analog I/O ensure fast and flexible operation. The controller’s 512-byte process image size delivers efficient data handling. The controller operates on a 24 VDC input and features a solitary RJ45 Ethernet port. ’’

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