B&R 3IF797.9-1
X2X connection CAN bus interface RS232 can be configured as an online interface aPCI interface module, 1 X2X Link master interface, electrically isolated, 1 CAN bus interface, electrically isolated, network-capable, max. 500 kbit/s, object buffer in transmit and receive directions, 1 RS232 interface, order 2x 0TB704.9 terminal blocks separately!
Lifecycle & replacement
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
Short description
| Communication module | 1x RS232, 1x CAN bus, 1x X2X Link master |
General information
| Diagnostics / Data transfer | Yes, using LED status indicators |
| Power consumption / 3.3 VDC | 0.68 W |
| Power consumption / 5 VDC | 1.28 W |
| Power consumption / Total | 1.96 W |
| Electrical isolation / IFx - IFx | Yes |
| Electrical isolation / PLC - IF1 | No |
| Electrical isolation / PLC - IF2 | Yes |
| Electrical isolation / PLC - IF3 | Yes |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / UL | cULus E115267 Industrial control equipment |
| Certifications / KC | Yes |
| Status indicators | 2 LEDs for transmitting/receiving data for IF1 1 LED each for transmitting/receiving data for IF2 and IF3 |
Interfaces
| Interface IF1 / Signal | RS232 |
| Interface IF1 / Variant | 9-pin male DSUB connector |
| Interface IF1 / Max. distance | 900 m |
| Interface IF1 / Transfer rate | Max. 115.2 kbit/s |
| Interface IF2 / Signal | CAN bus |
| Interface IF2 / Variant | 4-pin male multipoint connector |
| Interface IF2 / Max. distance | 1000 m |
| Interface IF2 / Transfer rate | Max. 500 kbit/s |
| Interface IF3 / Fieldbus | X2X Link master |
| Interface IF3 / Variant | 4-pin male multipoint connector |
| Interface IF3 / Distance between 2 stations | Max. 100 m |
Operating conditions
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature / Operation | 0 to 60°C |
| Temperature / Storage | -25 to 70°C |
| Relative humidity / Operation | 5 to 95%, non-condensing |
Mechanical properties
| Note | Order 2x 0TB704.9 terminal blocks separately. Replaces interface module 3IF797.9 in AS 2.4 and later |
| Slot | Slot, e.g. in the CP360 |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
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.