Tutto sui PLC: la CPU
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The BECKHOFF BC5250 is a compact Bus Terminal Controller that integrates DeviceNet fieldbus systems with the modular Beckhoff Bus Terminal I/O system. Operating as a decentralized controller with localized intelligence, it features an integrated PLC runtime system that executes independent control programs. The device is configured and programmed using TwinCAT automation software in compliance with the IEC 61131-3 standard, allowing users to build distributed control architectures with localized processing capabilities.
This controller manages data exchange between the DeviceNet network and connected local Bus Terminals. The integrated local PLC can process input and output signals independently of the higher-level fieldbus master, ensuring continuous operation of local machine processes even in the event of fieldbus connection interruptions. Its space-saving design is optimized for mounting in control cabinets and terminal boxes where space is at a premium.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | BC5250 |
| Product Type | DeviceNet Compact Bus Terminal Controller |
| Programming Software | TwinCAT (via serial programming interface or fieldbus) |
| Programming Languages | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Program Memory | 48 kbytes |
| Data Memory | 32 kbytes |
| Remanent Data | 2 bytes |
| Runtime System | 1 PLC task |
| PLC Cycle Time | Approx. 3 ms for 1,000 instructions (excluding local I/O cycle) |
| Online Change Support | Yes |
| Fieldbus Interface | DeviceNet |
| Bus Connection | 5-pin open style connector |
| Baud Rates | Automatic detection up to 500 kbaud |
| Number of Bus Terminals | 64 (up to 255 via K-bus extension) |
| Max. Process Image Size | 512 bytes input / 512 bytes output |
| Max. Digital Peripheral Signals | 512 inputs / 512 outputs |
| Max. Analog Peripheral Signals | 128 inputs / 128 outputs |
| Supply Voltage | 24 V DC (-15% / +20%) |
| Max. Input Current | 320 mA |
| K-bus Current Supply | 1750 mA |
| Power Contacts Current Load | Max. 10 A |
| Electrical Isolation | 500 V (power contacts / supply voltage) |
| Dimensions (W x H x D) | 44 mm x 100 mm x 68 mm |
| Weight | Approx. 100 g |
| Mounting | 35 mm DIN rail (conforming to EN 60715) with double slot and key lock |
| Housing Material | Polycarbonate |
| Conductor Connection Cross-section (Solid/Stranded) | 0.08 to 2.5 mm² |
| Conductor Connection Cross-section (with Ferrule) | 0.14 to 1.5 mm² |
| Stripping Length | 8 to 9 mm |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -40 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| Protection Class | IP20 |
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The BECKHOFF BC5250 is a compact Bus Terminal Controller that integrates DeviceNet fieldbus systems with the modular Beckhoff Bus Terminal I/O system. Operating as a decentralized controller with localized intelligence, it features an integrated PLC runtime system that executes independent control programs. The device is configured and programmed using TwinCAT automation software in compliance with the IEC 61131-3 standard, allowing users to build distributed control architectures with localized processing capabilities.
This controller manages data exchange between the DeviceNet network and connected local Bus Terminals. The integrated local PLC can process input and output signals independently of the higher-level fieldbus master, ensuring continuous operation of local machine processes even in the event of fieldbus connection interruptions. Its space-saving design is optimized for mounting in control cabinets and terminal boxes where space is at a premium.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | BC5250 |
| Product Type | DeviceNet Compact Bus Terminal Controller |
| Programming Software | TwinCAT (via serial programming interface or fieldbus) |
| Programming Languages | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Program Memory | 48 kbytes |
| Data Memory | 32 kbytes |
| Remanent Data | 2 bytes |
| Runtime System | 1 PLC task |
| PLC Cycle Time | Approx. 3 ms for 1,000 instructions (excluding local I/O cycle) |
| Online Change Support | Yes |
| Fieldbus Interface | DeviceNet |
| Bus Connection | 5-pin open style connector |
| Baud Rates | Automatic detection up to 500 kbaud |
| Number of Bus Terminals | 64 (up to 255 via K-bus extension) |
| Max. Process Image Size | 512 bytes input / 512 bytes output |
| Max. Digital Peripheral Signals | 512 inputs / 512 outputs |
| Max. Analog Peripheral Signals | 128 inputs / 128 outputs |
| Supply Voltage | 24 V DC (-15% / +20%) |
| Max. Input Current | 320 mA |
| K-bus Current Supply | 1750 mA |
| Power Contacts Current Load | Max. 10 A |
| Electrical Isolation | 500 V (power contacts / supply voltage) |
| Dimensions (W x H x D) | 44 mm x 100 mm x 68 mm |
| Weight | Approx. 100 g |
| Mounting | 35 mm DIN rail (conforming to EN 60715) with double slot and key lock |
| Housing Material | Polycarbonate |
| Conductor Connection Cross-section (Solid/Stranded) | 0.08 to 2.5 mm² |
| Conductor Connection Cross-section (with Ferrule) | 0.14 to 1.5 mm² |
| Stripping Length | 8 to 9 mm |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -40 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| Protection Class | IP20 |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|