Procurement managers rarely finalize BC7300 without reviewing Beckhoff Bc9000, Beckhoff Bc9120 and Beckhoff Bx3100, ensuring that the chosen component meets budget, compliance, and delivery conditions.
BC7300 - Beckhoff Bus Terminal Controllers
BC7300 Beckhoff Bus Terminal Controllers Technical Specifications

| Brand | Beckhoff |
| Product Type | Bus Terminal Controllers |
| Product | BC7300 |
BC7300 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 | 512 byte input and 512 byte output |
| Digital peripheral signals | 256 inputs/outputs |
| Analog peripheral signals | 128 inputs/outputs |
| Configuration possibility | by rotary switch or KS2000 |
| Data transfer rates | 150, 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400 baud (default: 9600 baud) |
| Bus interface | D-sub 9-pin, RS485 |
| Power supply | 24 V DC (-15%/+20%) |
| Input current | 70 mA + (total K-bus current)/4, 500ร 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/fieldbus) |
| Weight | approx. 170 g |
| Operating temperature | 0...55ยฐC |
| Storage temperature | -25...+85ยฐC |
| 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 |
| Protocol | RTU/ASCII (default: RTU) |
| Recommended fuse | รขยยค 10 A |
| 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 mmยฒ,st*: 0.08...2.5 mmยฒ,f*: 0.14...1.5 mmยฒ |
| Stripping length | 8...9 mm |
| Current load power contacts | Imax: 10 A |







