Phoenix Contact IBS IL 24 BK-LK-PAC – INTERBUS Fiber Optic Bus Coupler
The Phoenix Contact IBS IL 24 BK-LK-PAC is an advanced INTERBUS fiber optic bus coupler designed for reliable communication between Inline I/O stations and remote bus systems. Operating at a transmission rate of 500 kbps, it uses F-SMA fiber optic connectors to ensure stable, interference-free data transfer. With integrated power supply for analog modules and a compact IP20 housing suitable for DIN rail installation, it offers both efficiency and durability. This model is ideal for industrial automation systems that demand fast and secure signal transmission across complex production environments.
Engineered for high-performance automation networks, the IBS IL 24 BK-LK-PAC provides built-in optical diagnostics and electronic protection for communication and power circuits, enhancing equipment reliability. Its modular Inline structure supports up to 63 local devices, allowing flexible system expansion as operational needs grow. The 24 V DC supply with surge and reverse-polarity protection ensures stable operation, even under fluctuating industrial conditions. With spring-cage connection technology, wiring is quick and secure, minimizing setup time. The device’s efficient design reduces signal loss and maintenance effort, improving uptime and productivity across manufacturing or process control applications.
Why Phoenix Contact IBS IL 24 BK-LK-PAC?
Because it delivers seamless, high-speed data transfer through fiber optic connectivity, ensuring noise-free and reliable communication in demanding industrial environments. Its modular Inline design supports flexible expansion, while built-in diagnostics and intelligent power management make it a future-ready solution for modern automation networks.
What Problem Does It Solve?
It eliminates data loss and signal interference common in long-distance or electrically noisy setups. By converting field-level signals into stable fiber optic communication, the IBS IL 24 BK-LK-PAC ensures uninterrupted system performance, simplifies network integration, and boosts overall operational reliability in complex automation infrastructures.
Key Features & Specifications – Phoenix Contact IBS IL 24 BK-LK-PAC : 2861218
| Feature |
Details |
Benefit |
| Product Type |
INTERBUS Fiber Optic Bus Coupler |
Provides reliable communication link between Inline I/O modules and remote control systems. |
| Communication Interface |
INTERBUS with F-SMA fiber optic connectors |
Ensures stable, noise-free signal transmission even in high-EMI environments. |
| Transmission Speed |
500 kbps |
Supports fast and consistent data communication for real-time control. |
| Local Bus Support |
Up to 63 local devices |
Scalable design for future system expansion without hardware overhaul. |
| Supply Voltage |
24 V DC (range: 19.2–30 V DC) |
Flexible voltage range suitable for various industrial power systems. |
| Protection Features |
Surge and reverse polarity protection |
Prevents equipment damage and increases operational lifespan. |
| Power Dissipation |
Max. 5.4 W |
Energy-efficient operation reduces heat and power load. |
| Connection Method |
Spring-cage terminals |
Enables quick, tool-free, and vibration-resistant wiring. |
| Mounting Type |
DIN rail mounting (IP20 rated) |
Easy installation and secure fitting in control cabinets. |
| Ambient Temperature |
-25°C to +55°C |
Reliable performance across wide temperature ranges. |
| Housing Dimensions (W x H x D) |
85 mm × 119.8 mm × 71.5 mm |
Compact footprint for space-saving panel layouts. |
| Weight |
220 g (net) / 282.8 g (gross) |
Lightweight design simplifies handling and mounting. |
| Compliance & Approvals |
cULus, DNV GL, EAC, BSH |
Meets global industrial and marine standards. |
Download Phoenix Contact IBS IL 24 BK-LK-PAC (2861218) Datasheet
Commercial Information – Phoenix Contact IBS IL 24 BK-LK-PAC : 2861218
| Commercial Data |
Details |
| GTIN Number |
4017918894160 |
| Traffic Number (Customs Tariff Code) |
85389091 |
| Weight (Net / Gross) |
220 g / 282.8 g |
| Country of Origin |
Germany (DE) |
The Applications of Phoenix Contact IBS IL 24 BK-LK-PAC
1. Wind Turbine Generator Control Systems
In wind energy installations, the IBS IL 24 BK-LK-PAC ensures stable data transmission between nacelle-mounted sensors and ground-level controllers. Its fiber-optic communication eliminates the risk of signal interference caused by high-voltage components or lightning exposure. Built-in diagnostics allow maintenance teams to detect faults remotely, reducing the need for manual inspection at great heights. The modular Inline architecture provides flexibility for system expansion as more sensors and monitoring functions are added over time.
2. Distributed Manufacturing Cells in Automotive Plants
Automotive assembly lines often require multiple control zones working in synchronization. This bus coupler enables each manufacturing cell to communicate through a fiber network that is immune to noise from welding robots and large motors. With the ability to connect up to 63 local I/O modules, it supports dynamic production lines. Short-circuit protection and optical diagnostics ensure consistent uptime, minimizing signal losses and improving overall productivity in high-speed environments.
3. Process Control in Chemical and Petrochemical Plants
In large-scale chemical facilities, instrumentation and sensors are frequently located far from the main control room. The IBS IL 24 BK-LK-PAC provides reliable long-distance data transmission using fiber optics, unaffected by electromagnetic interference from pumps or industrial heaters. Its protective circuits guard against power surges and reverse polarity, ensuring stable operation even under heavy load. This stability allows operators to maintain accurate process control and avoid costly production interruptions.
4. Robotic Welding Workstations
In robotic welding environments, electromagnetic noise can severely disrupt communication between controllers and I/O devices. The IBS IL 24 BK-LK-PAC overcomes this issue with fiber-optic data transfer, maintaining flawless communication even near high-current welders. The spring-cage connection system allows for quick wiring adjustments during maintenance, while integrated diagnostics pinpoint any communication issues immediately. This results in safer, more reliable robot operation and maximized production uptime in demanding factory conditions.
