B&R 3EX450.77-1
2005 bus controller, DeviceNet master, galvanically isolated CombiCon connector, max. 500 kbit/s, max. 3.5 kB input data and max. 3.5 kB output data, RS232 configuration interface
Lifecycle & replacement
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Technical specifications
Short description
| Bus controller | DeviceNet master |
General information
| Diagnostics / Module status | Yes, using LED status indicator |
| Diagnostics / Bus function | Yes, using LED status indicator |
| Diagnostics / RS232 data transfer | Yes, using LED status indicator |
| Power consumption / 24 VDC | 1.1 W |
| Power consumption / 5 VDC | 4.4 W |
| Power consumption / Total | 5.5 W |
| Electrical isolation / IF1 - IF2 | Yes |
| Electrical isolation / PLC - IF1 | No |
| Electrical isolation / PLC - IF2 | Yes |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / UL | cULus E115267 Industrial control equipment |
| Status indicators | Transmit/Receive data for RS232, bus function, module status |
Interfaces
| Interface IF1 / Type | Fieldbus configurator online interface RS232 |
| Interface IF1 / Variant | 9-pin male DSUB connector |
| Interface IF1 / Max. transfer rate | 9.6 kbit/s |
| Interface IF2 / Fieldbus | DeviceNet master |
| Interface IF2 / Type | CAN |
| Interface IF2 / Variant | 5-pin male multipoint connector |
| Interface IF2 / Number of slaves | 63 |
| Interface IF2 / Max. transfer rate | 500 kbit/s |
Operating conditions
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature / Operation | 0 to 55°C |
| Temperature / Storage | -25 to 70°C |
| Relative humidity / Operation | 5 to 95% |
Mechanical properties
| Dimensions / Width | System 2005 single-width |
| Slot / Base unit | Yes |
| Slot / Expansion unit | No |
| Note | Order fieldbus configurator separately |
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.