Procurement managers rarely finalize BC3100 without reviewing Beckhoff Bx9000, Beckhoff Bc9000 and Beckhoff Bc9120, ensuring that the chosen component meets budget, compliance, and delivery conditions.
BC3100 - Beckhoff Bus Terminal Controllers
Beckhoff Bus Terminal Controllers BC3100 combine PLC functionality with fieldbus connectivity, providing engineers reliable and scalable automation control in industrial systems.
| Brand | Beckhoff |
| Product Type | Bus Terminal Controllers |
| Product | BC3100 |
BC3100 Beckhoff Bus Terminal Controllers Technical Specifications
| Specification | Value |
|---|---|
| Programming | TwinCAT (via programming interface or fieldbus) |
| Program memory | 32/96 kbytes |
| Data memory | 32/64 kbytes |
| Remanent data | 512 bytes |
| Runtime system | 1 PLC task |
| PLC cycle time | approx. 3 ms for 1,000 instructions (without I/O cycle, K-bus) |
| Programming languages | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Number of Bus Terminals | 64 |
| Max. number of bytes fieldbus | 128 byte input and 128 byte output |
| Max. number of bytes process image | 512 byte input and 512 byte output |
| Digital peripheral signals | 512 inputs/outputs |
| Analog peripheral signals | 128 inputs/outputs |
| Configuration possibility | via KS2000 or fieldbus |
| Data transfer rates | automatic detection up to 12 Mbaud |
| Bus interface | 1 x D-sub socket, 9-pin |
| Power supply | 24 V DC (-15%/+20%) |
| Input current | 70 mA + (total K-bus current)/4, 500Â mA max. |
| Starting current | 2.5 x continuous current |
| Current supply K-bus | 1750 mA |
| Power contacts | max. 24 V DC/max. 10 A |
| Electrical isolation | 500 V (power contact/supply voltage) |
| Weight | approx. 170 g |
| Operating temperature | 0...55°C |
| Storage temperature | -25...+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx, DNV GL |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 GcIECEx: Ex ec IIC T4 Gc |
| Design form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| Dimensions (W x H x D) | 51 mm x 100 mm x 69 mm |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side by side mounting by means of | double slot and key connection |
| Marking | labeling of the BZxxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Connection cross-section | s*: 0.0...2.5 mm²,st*: 0.08...2.5 mm²,f*: 0.14...1.5 mm² |
| Stripping length | 8...9 mm |
| Current load power contacts | Imax: 10 A |
The Beckhoff BC3100 Bus Terminal Controllers are designed to integrate control and communication in one compact unit. Powered by a 24 V DC supply, the BC3100 includes 32/96 kbytes program memory and 32/64 kbytes data memory, with 512 bytes remanent data for secure process handling. Supporting IEC 61131-3 programming languages such as IL, LD, FBD, SFC, and ST, it allows flexible programming through TwinCAT or fieldbus configuration. The runtime system executes one PLC task with a cycle time of approximately 3 ms per 1,000 instructions, ensuring fast performance in automation environments. Connectivity includes 128 bytes input and output via fieldbus and a D-sub 9-pin interface, while the K-bus supports up to 64 Bus Terminals with 512 digital and 128 analog signals.
Built for industrial conditions, the BC3100 offers 500 V electrical isolation, 10 A power contacts, and 1750 mA K-bus current supply. Its polycarbonate housing (51 x 100 x 69 mm) with signal LEDs is easy to install on 35 mm DIN rails and designed with spring-actuated wiring for secure connections. Certified under CE, UL, ATEX, and IECEx, and compliant with EN 61000 EMC standards, it operates reliably from 0°C to +55°C with proven vibration and shock resistance.
The BC3100 Bus Terminal Controller is trusted in applications such as packaging lines, machine tools, process plants, and distributed automation systems. Junior engineers benefit from its intuitive setup and IEC-standard programming, while senior professionals value its fast execution speed, memory flexibility, and robust design. Maintenance teams appreciate its reliability, reduced downtime, and compliance with global standards. If you need a compact, durable, and scalable automation controller, the Beckhoff BC3100 is a dependable choice. Request a call back today to get expert support for your automation requirements.
