Description

Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 3IF787.9B.R (3IF787.9) |
| Manufacturer | B&R Industrial Automation (ABB Group) |
| Product Type | aPCI Interface Module |
| Slot Type | aPCI Insert (e.g., CP360) |
| Interfaces | 1 × ETHERNET POWERLINK, 1 × CAN Bus |
| POWERLINK Interface | 100 Mbps, 100 Base-T (ANSI/IEEE 802.3), Shielded RJ45 |
| POWERLINK Node Function | Managing or Controlled Node |
| POWERLINK Cable Length | Max. 100 m (Segment Length) |
| CAN Bus Interface | 4-Pin Multipoint Connector, SJA 1000 Controller |
| CAN Bus Max. Transfer Rate | 500 kbps (Bus Length ≤60 m) |
| CAN Bus Distance | Max. 1000 m |
| Object Buffers | 20 KB In/Out (Firmware Version ≥ V50) |
| Power Consumption | Total 3.0 W (2.5 W @ 3.3V, 0.5 W @ 5V) |
| Electrical Isolation | Yes (PLC – IFx, IF1 – IF2) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -25°C to +70°C |
| Relative Humidity | 5% to 95%, Non-Condensing |
| Ingress Protection | IP20 |
| Certification | CE, cULus HazLoc, UKCA, KC |
| Weight | Approx. 0.20 kg |
| Dimensions | 13.00 × 7.00 × 2.00 cm |
Main Features and Advantages
Dual-Protocol Connectivity for Versatile Integration: B&R 3IF787.9B.R offers a powerful combination of ETHERNET POWERLINK and CAN bus interfaces, making it an ideal solution for systems that require both high-speed real-time communication and robust device-level networking. The POWERLINK interface supports 100 Mbps data rates over standard 100 Base-T Ethernet, ensuring deterministic performance for motion control and synchronization applications. Meanwhile, the CAN interface provides a proven, reliable communication channel for connecting sensors, actuators, and other field devices, with support for various transmission rates depending on bus length requirements. This dual-protocol capability allows B&R 3IF787.9B.R to serve as a unified communication hub, reducing hardware complexity and simplifying system design.
Flexible Node Configuration: B&R 3IF787.9B.R can be configured as either a managing node or a controlled node on a POWERLINK network, providing exceptional architectural flexibility. This means the same module can serve as the network master in one application or as a subordinate device in another, reducing inventory requirements and simplifying system upgrades. The POWERLINK interface supports V1/V2 protocol versions, ensuring compatibility across different generations of B&R automation systems.
Electrical Isolation and Noise Immunity: B&R 3IF787.9B.R features full electrical isolation between the PLC backplane and both interfaces, as well as between the POWERLINK and CAN interfaces themselves. This galvanic isolation protects sensitive control logic from ground loops, voltage spikes, and electromagnetic interference commonly found in industrial environments. The shielded RJ45 port for POWERLINK and the isolated CAN interface ensure reliable data transmission even in electrically noisy factory settings.
Object Buffer Architecture: B&R 3IF787.9B.R is equipped with 20 KB object buffers in both transmit and receive directions (firmware V50 and later). This generous buffering capability ensures smooth data flow even in high-throughput applications, preventing data loss during peak communication loads and maintaining deterministic performance for time-critical control tasks.
Comprehensive Diagnostics: B&R 3IF787.9B.R provides extensive status indication through front-panel LEDs and software diagnostics. The CAN interface features RXD and TXD LEDs for transmit/receive activity, while the POWERLINK interface provides status, Tx, Rx, and Link/Collision indicators. These diagnostic features enable quick fault identification and simplify system commissioning and maintenance.




