Manufacturer: BECKHOFF
Product No.: BC3150
Country of origin:Germany
Product Type: PROFIBUS Controllers
Payment: T/T, Western Union
Weight: 3000g
Dimensions: 44 mm x 100 mm x 68 mm
Shipping port: Xiamen
Warranty: 12 months
Executing local control logic at the field level, the Beckhoff BC3150 functions as a high-efficiency PROFIBUS Bus Terminal Controller. This compact PLC device manages up to 64 decentralized Bus Terminals (expanding to 255 with a K-bus extension) and interfaces seamlessly with primary PROFIBUS DP master controllers. Engineered with integrated memory and an execution environment programmed via TwinCAT, it serves as a robust processing node for distributed industrial automation architectures.
| Specification Parameter | Value / Detail |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model / Part Number | BC3150 |
| Fieldbus Interface | 1 x D-sub socket, 9-pin (PROFIBUS DP) |
| Programming System | TwinCAT (via programming interface or fieldbus) |
| Program Memory | 48 kbytes |
| Data Memory | 32 kbytes |
| Remanent Data | 2 bytes |
| PLC Cycle Time | Approx. 3 ms for 1,000 instructions |
| Max. Fieldbus Data Size | 128 bytes input / 128 bytes output |
| Power Supply Input | 24 V DC (-15% / +20%) |
| Input Current | 320 mA maximum |
| Current Supply K-Bus | 1750 mA |
| Power Contacts | Max. 24 V DC / Max. 10 A |
| Electrical Isolation | 500 V (power contact / supply voltage) |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -40 to +85 degC |
| Ex Marking | II 3 G Ex nA IIC T4 Gc |
| Product Dimensions | 44 mm x 100 mm x 68 mm (W x H x D) |
| Shipping Weight (Calculated) | 3.0 kg |
| D-sub 9-Pin Assignment | Signal Name | Functional Description |
|---|---|---|
| Pin 3 | RxD/TxD-P | Receive/Transmit Data Positive (B-line) |
| Pin 5 | DGND | Data Ground references for termination |
| Pin 6 | VP | Supply Voltage for active resistors (5 V) |
| Pin 8 | RxD/TxD-N | Receive/Transmit Data Negative (A-line) |
While the standard BK3120 and BK3150 function purely as non-programmable PROFIBUS couplers, the BC3150 offers a built-in PLC engine. When transitioning from BK series couplers to the BC3150, physical space on the DIN rail remains compact, but modifications in the master TwinCAT runtime system config are necessary to accommodate local program execution variables rather than straight I/O pass-through mapping.
Calculate the cumulative power draw of all connected Bus Terminals prior to mounting. Since the internal K-bus current capability peaks at 1750 mA, complex analog I/O clusters or high-density digital modules may exhaust this allocation. In cases of power depletion, deploy intermediate Beckhoff KL9110 or KL9210 power feed terminals to prevent diagnostic bus failures and system drops.
To guarantee clean communications up to 12 Mbaud, use PROFIBUS-certified shielded twisted-pair cabling. Maintain active bus termination at both the beginning and end of each PROFIBUS physical segment. During commission, configure address settings accurately via the KS2000 software tool or through the built-in rotary DIP switches situated beneath the terminal cover.
Isolate all electrical power sources before initiating hardware installation or disassembly. Working under voltage presents severe risk of electrical shock, equipment damage, or communication system corruption. Verify the ground potential is fully clamped before introducing power contacts.
Mount the BC3150 securely onto a 35 mm DIN rail (conforming to EN 60715) until the locking latch clicks firmly into place.
Wire the supply terminals using flexible or solid conductors (0.08 to 2.5 mm square section) and standard ferrules, securing with spring-clamp actuation.
Verify connection stability, assign the target PROFIBUS station address, plug in the 9-pin D-sub PROFIBUS trunk line, and power on.
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Returns & Warranty
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| Country of origin |
Germany
|
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