$ 481.16
Compact PROFINET bus coupler with 8 inputs, 4 outputs, and expansion for 61 devices. Reliable, fast, and ideal for modern industrial automation.
The Phoenix Contact IL PN BK DI8 DO4 2TX-PAC is a compact PROFINET bus coupler designed to connect controllers with the Inline I/O system. Featuring 8 digital inputs and 4 digital outputs, it supports up to 61 additional Inline devices for scalable automation setups. With dual RJ45 Ethernet ports offering 100 Mbps transmission, the unit ensures fast and stable data exchange. Electrical isolation between logic and Ethernet safeguards system integrity, while DIN rail mounting provides easy integration. This solution helps industries achieve efficient, secure, and reliable communication in demanding automation environments.
The IL PN BK DI8 DO4 2TX-PAC bus coupler simplifies system architecture by integrating digital I/O directly into the network interface, reducing installation time and hardware complexity. Engineers can take advantage of its multi-protocol support and diagnostic functions to ensure smoother operation and proactive fault management. The coupler’s compliance with advanced PROFINET specifications guarantees seamless compatibility with modern control systems. Its rugged design, combined with short-circuit protection and global approvals, ensures dependable operation in machine building, process automation, and manufacturing environments. The result is a flexible, future-ready solution that minimizes downtime and maximizes productivity.
Because it combines bus coupler and integrated I/O in one device, this model saves space and reduces installation effort while ensuring seamless PROFINET communication. With high-speed Ethernet, flexible expansion for up to 61 Inline devices, and built-in digital inputs/outputs, it delivers performance, reliability, and adaptability—ideal for modern automation systems where uptime and efficiency matter.
The IL PN BK DI8 DO4 2TX-PAC eliminates the complexity of managing multiple modules and wiring by merging I/O capability directly into the bus coupler. It solves challenges of scalability, system integration, and network transparency, giving engineers a cost-effective, compact, and future-proof solution for connecting controllers with distributed I/Os in industrial automation environments.
| Feature | Details | Benefit |
|---|---|---|
| Digital Inputs | 8 inputs, 24 V DC, 3-conductor | Reliable signal acquisition for sensors and switches. |
| Digital Outputs | 4 outputs, 24 V DC, 500 mA, short-circuit protection | Safe and efficient actuator control with built-in protection. |
| Ethernet Interfaces | 2 × RJ45 ports, 100 Mbps | High-speed PROFINET communication with auto negotiation. |
| Local Bus Capacity | Up to 61 Inline devices | Flexible system expansion without redesigning architecture. |
| PCP Device Support | Up to 16 devices | Enhanced compatibility for parameterizable modules. |
| Protocols Supported | SNMP, TFTP, PROFINET, LLDP, ICMP, MRP | Broad protocol support for diagnostics and integration. |
| Approvals | CE, UL, cULus, DNV GL, RINA, ABS, BV | Globally recognized certifications ensure compliance. |
| Mounting | DIN rail installation | Quick and secure setup in industrial panels. |
| Degree of Protection | IP20 | Safe for cabinet installations with controlled environments. |
| Operating Temperature | -25 °C … +55 °C | Reliable performance in diverse industrial conditions. |
| Power Supply | 24 V DC (19.2–30 V range) | Stable and flexible supply voltage tolerance. |
Download IL PN BK DI8 DO4 2TX-PAC 2703994 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356041164 |
| Tariff Number | 85176200 |
| Weight | 320 g (net), 331.6 g (with packaging) |
| Country of Origin | Germany (DE) |
In food and beverage plants, packaging lines must handle different product formats without disrupting throughput. By integrating a PROFINET bus coupler with onboard inputs and outputs at each station, engineers can control sensors and actuators locally while maintaining synchronized communication with the central PLC. This reduces cable complexity, simplifies troubleshooting, and allows additional stations to be added with minimal effort. The coupler’s built-in diagnostics also speed up fault detection, ensuring that downtime during format changes or maintenance is kept to a minimum. The result is a more flexible and efficient packaging line that adapts quickly to market demands.
Modern automotive assembly requires precise coordination between robots, conveyors, and safety equipment. A bus coupler with integrated I/O serves as a key communication node, linking safety sensors, motor controls, and robotic systems directly to the PROFINET network. Electrical isolation between Ethernet and logic provides protection against interference caused by heavy machinery. At the same time, multi-protocol support enhances system monitoring, helping teams predict and prevent failures. Its modular expandability allows new components—such as sensors for model variations or extra tooling—to be added easily. This setup ensures stable production while supporting the flexibility demanded in automotive manufacturing.
Pump stations in water treatment plants often span wide areas and require reliable communication for valves, pumps, and alarms. By installing a PROFINET bus coupler in a local control cabinet, operators can gather signals from pumps and flow meters while controlling valves directly. Dual Ethernet ports make it possible to set up redundant network paths, ensuring continuous operation even if one link fails. Built-in diagnostic features help detect issues like overloads or wiring errors early, reducing unplanned downtime. This localized control structure improves efficiency, cuts installation costs, and ensures stable monitoring for essential water treatment processes.
In large distribution hubs, conveyors and diverters must process thousands of packages per hour with precise timing. A PROFINET bus coupler equipped with integrated inputs and outputs can manage diverter arms, scanners, and motor signals at each conveyor segment. Its high-speed communication ensures that even fast-moving parcels are directed correctly without delays. The modular structure means additional conveyor segments or sorting lanes can be connected quickly, supporting scalability as order volumes increase. With diagnostic data available in real time, maintenance teams can resolve issues before they disrupt operations. This approach enhances flexibility and reliability in e-commerce fulfillment centers.
| Category | Model | Part Number | Description | Benefit |
|---|---|---|---|---|
| End Bracket | CLIPFIX 35 | 3022218 | Quick-mounting end clamp for DIN rails, with marking option. | Ensures secure mounting of bus couplers on DIN rails. |
| End Bracket (Compact) | CLIPFIX 35-5 | 3022276 | Narrower end clamp with parking option for accessories. | Saves space while maintaining safe rail termination. |
| End Bracket | E/UK | 1201442 | Standard end bracket, PA material, gray color. | Provides reliable mechanical support for Inline modules. |
| End Bracket (Aluminum) | E/AL-NS 35 | 1201662 | Robust aluminum end clamp with screw fixing. | Adds extra stability for heavy-duty applications. |
| Connector Set | IL BKDIO-PLSET | 2878599 | Connector kit for Inline bus couplers with I/O rows. | Simplifies installation and replacement. |
| Marking Field | IB IL FIELD 8 | 2727515 | Wide labeling field for Inline modules. | Enables clear identification and maintenance efficiency. |
| Marking Field (Narrow) | IB IL FIELD 2 | 2727501 | Compact labeling strip for Inline modules. | Saves space while maintaining traceability. |
| Insert Label | EMT (62X46)R | 0800059 | Roll of insert labels, suitable for Inline modules. | Flexible labeling solution for clear module marking. |
| Insert Label (Compact) | EMT (62X10)R | 0800057 | Smaller labels in roll format for Inline devices. | Provides neat, professional identification of modules. |
| RJ45 Connector (Gray) | FL PLUG RJ45 GR/2 | 2744856 | RJ45 connector, CAT5, crimp connection, IP20. | Ensures reliable Ethernet connection in automation systems. |
| RJ45 Connector (Green) | FL PLUG RJ45 GN/2 | 2744571 | RJ45 connector, CAT5, crimp connection, IP20. | Color-coded option for easier cable management. |
| Ethernet Cable (Heavy Duty) | FL CAT5 HEAVY | 2744814 | Shielded CAT5 cable, solid conductor. | Suitable for robust, fixed installation. |
| Ethernet Cable (Flexible) | FL CAT5 FLEX | 2744830 | Shielded CAT5 cable, PUR halogen-free, flexible. | Ideal for moving machine parts and dynamic routing. |
| Crimping Tool | FL CRIMPTOOL | 2744869 | Professional tool for assembling RJ45 plugs. | Ensures precise and reliable connector termination. |
| Surge Protection | DT-LAN-CAT.6+ | 2881007 | Surge protection for Gigabit Ethernet and PoE++. | Protects sensitive devices from overvoltage and surges. |
| Network Cable | NBC-R4AC-R4AC-IE8 | 1411842 | CAT5 Ethernet cable with straight outlet. | Provides stable data transmission for Inline networks. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
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