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Beckhoff BK7350
The BK7350 Compact Bus Coupler with compact housing connects the Modbus bus system to the modular, extendable electronic terminal blocks. One unit consists of one Bus Coupler, any number from 1 to 64 …
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Description
The BK7350 Compact Bus Coupler with compact housing connects the Modbus bus system to the modular, extendable electronic terminal blocks. One unit consists of one Bus Coupler, any number from 1 to 64 terminals and one end terminal. With the K-bus
Specification
| Number Of Bus Terminals | 64 (255 with K-bus extension) |
|---|---|
| Max. Number Of Bytes Fieldbus | 512 byte input and 512 byte output |
| Digital Peripheral Signals | 1,020 inputs/outputs |
| Analog Peripheral Signals | 256 inputs/outputs |
| Configuration | by rotary switch or KS2000 |
| Protocol | RTU/ASCII (default: RTU) |
| Data Transfer Rates | 150 baud…38,400 baud |
| Bus Interface | D-sub 9-pin, RS485 |
| Data Transfer Medium | screened, twisted copper cable 2 x 0.25 mm² (RS485) |
| Power Supply | 24 V DC (-15%/+20%) |
| Input Current | 320 mA max. |
| Starting Current | 2.5 x continuous current |
| Recommended Fuse | ≤ 10 A |
| Current Supply K Bus | 1750 mA |
| Power Contacts | max. 24 V DC/max. 10 A |
| Electrical Isolation | 500 V (power contact/supply voltage/fieldbus) |
| Operating Modes | read/write access, optionally bit oriented or word oriented |
| Weight | approx. 100 g |
| Operating Temperature | -25…+60°C |
| Storage Temperature | -40…+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 |
| Ex Marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Design Form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| 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*: 0.08…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 |
| Dimensions (W X H X D) | 44 mm x 100 mm x 68 mm |
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