Phoenix IL Series: Industrial Bus Couplers & Remote I/O Modules - Selection Guide
Product Overview
The Phoenix IL Series encompasses industrial bus couplers and modular remote I/O modules, designed for seamless integration into industrial Ethernet and fieldbus networks. Supporting multiple bus protocols (PROFINET, PROFIBUS DP/V1, S3) and featuring flexible digital I/O configurations (8DI/4DO), these devices enable remote signal acquisition and control in automation systems. With compact DIN rail mounting, robust construction, and diverse interface options (RJ45, SC RJ fiber), they’re ideal for process control, manufacturing lines, and distributed automation scenarios requiring reliable networked I/O.
Model Quick Reference Table
| Model No. | Product Name | Bus Protocol | I/O Configuration | Interface Type | Key Features | Application Scenarios |
|---|---|---|---|---|---|---|
| 2692380 | IL S3 BK DI8 DO4 2TX-PAC | S3 | 8 Digital Input (DI) / 4 Digital Output (DO) | 2×RJ45 (2TX) | Integrated I/O, dual Ethernet ports | S3 bus-based distributed I/O systems |
| 2403696 | IL PN BK-PAC | PROFINET | No built-in I/O | PROFINET interface | Standalone bus coupler | PROFINET network expansion (add modular I/O) |
| 2703994 | IL PN BK DI8 DO4 2TX-PAC | PROFINET | 8DI/4DO | 2×RJ45 (2TX) | All-in-one design, dual Ethernet ports | PROFINET remote I/O with redundant communication |
| 2878379 | IL PN BK DI8 DO4 2SCRJ-PAC | PROFINET | 8DI/4DO | 2×SC RJ (fiber) | Fiber optic interface, anti-interference | PROFINET systems requiring long-distance/EMI-resistant communication |
| 2862246 | IL PB BK DP/V1-PAC | PROFIBUS DP/V1 | No built-in I/O | PROFIBUS interface | Standalone bus coupler | PROFIBUS DP/V1 network expansion |
| 2718688 | IL PB BK DP/V1 | PROFIBUS DP/V1 | No built-in I/O | PROFIBUS interface | Basic bus coupler | Simple PROFIBUS DP/V1 network connections |
| 2878926 | IL PB BK DI8 DO4-PAC | PROFIBUS DP/V1 | 8DI/4DO | PROFIBUS interface | All-in-one design | PROFIBUS remote I/O integration |
| 2692322 | IL PB BK DI8 DO4/EF-PAC | PROFIBUS DP/V1 | 8DI/4DO | PROFIBUS interface | Error feedback (EF) function | PROFIBUS systems requiring fault diagnosis |
| 2700047 | IL MODULAR MUX SD | Modular expansion | N/A (expansion module) | Signal multiplexing | Modular I/O expansion | Extend I/O capacity for IL series couplers |
| 2878696 | IL MOD BK DI8 DO4-PAC | Modular compatible | 8DI/4DO | Modular interface | Standalone modular I/O | Custom I/O configurations for modular bus couplers |
| 2884619 | IL MII BK DI8 DO4-PAC | MII-compatible | 8DI/4DO | MII interface | MII bus integration | MII-based distributed automation systems |
| 2863070 | IL IB BK-PAC | IB | No built-in I/O | IB interface | Standalone IB bus coupler | IB bus network expansion |
Core Technical Specifications (Universal)
| Parameter | Value | Notes |
|---|---|---|
| Bus Compatibility | PROFINET, PROFIBUS DP/V1, S3, MII, IB | Protocol-specific models (see table) |
| I/O Electrical Ratings | DI: 24V DC (sinking/sourcing); DO: 24V DC, 0.5A per channel | Industrial standard I/O specifications |
| Communication Speed | PROFINET: Up to 100Mbps; PROFIBUS: Up to 12Mbps | Protocol-dependent |
| Supply Voltage | 24V DC (20.4~28.8V) | Wide voltage range for industrial use |
| Power Consumption | Bus couplers: ≤3W; I/O modules: ≤5W | Low power, reduced heat generation |
| Operating Temperature | -25℃~70℃ | Harsh industrial environment adaptation |
| Mounting Type | 35mm DIN rail (NS 35/7.5) | Compact design, space-saving |
| Protection Class | IP20 (cabinet mounting) | Dust-proof, solid object protection |
| Insulation Strength | 2kV (I/O-circuit to supply) | Anti-interference, signal stability |
| Certifications | CE, UL, CSA, ATEX (for hazardous areas) | Global industrial compliance |
| Connection Type | Screw terminals / Push-in (model-dependent) | Tool-free or secure wiring |
Application Scenarios & Recommended Models
1. PROFINET Remote I/O Systems (Redundant Communication)
- Requirement: PROFINET protocol, 8DI/4DO, dual Ethernet ports
- Recommended Model: 2703994 (IL PN BK DI8 DO4 2TX-PAC)
- Key Reason: All-in-one design integrates bus coupler and I/O; dual RJ45 ports enable redundant communication for high reliability
2. PROFINET Long-Distance/EMI-Resistant Communication
- Requirement: PROFINET protocol, fiber optic interface, 8DI/4DO
- Recommended Model: 2878379 (IL PN BK DI8 DO4 2SCRJ-PAC)
- Key Reason: SC RJ fiber ports avoid electromagnetic interference (EMI) and support long-distance transmission (up to several kilometers)
3. PROFIBUS DP/V1 Remote I/O with Fault Diagnosis
- Requirement: PROFIBUS DP/V1, 8DI/4DO, error feedback
- Recommended Model: 2692322 (IL PB BK DI8 DO4/EF-PAC)
- Key Reason: Integrated I/O + error feedback function simplifies fault troubleshooting in PROFIBUS networks
4. Bus Network Expansion (Modular I/O)
- Requirement: Standalone coupler, modular I/O expansion
- Recommended Models: 2403696 (IL PN BK-PAC) for PROFINET; 2862246 (IL PB BK DP/V1-PAC) for PROFIBUS
- Key Reason: Standalone design allows custom I/O configurations by adding modular modules (e.g., 2700047)
5. S3/MII Bus-Based Distributed Automation
- Requirement: S3/MII protocol, integrated 8DI/4DO
- Recommended Models: 2692380 (IL S3 BK DI8 DO4 2TX-PAC) for S3; 2884619 (IL MII BK DI8 DO4-PAC) for MII
- Key Reason: Protocol-specific all-in-one design, easy integration into existing S3/MII bus systems
6. Simple PROFIBUS DP/V1 Network Connections
- Requirement: Basic PROFIBUS coupler, no built-in I/O
- Recommended Model: 2718688 (IL PB BK DP/V1)
- Key Reason: Cost-effective basic coupler for straightforward PROFIBUS DP/V1 network expansion
Core Advantages
- Multi-Protocol Support: Covers PROFINET, PROFIBUS DP/V1, S3, MII, IB, adapting to diverse industrial networks
- Flexible I/O Configurations: Integrated 8DI/4DO models or modular expansion options for custom needs
- Diverse Interfaces: RJ45 Ethernet, SC RJ fiber, and fieldbus-specific interfaces for different communication scenarios
- Reliable Performance: Wide temperature range, high insulation strength, and redundant communication options (for PROFINET)
- Easy Installation: DIN rail mounting, tool-free or secure wiring, and compact design save cabinet space
- Fault Diagnostics: Selected models (e.g., EF suffix) offer error feedback, simplifying maintenance
Installation & Usage Notes
- Rail Mounting: Install on 35mm DIN rail; reserve ≥5mm spacing between modules for heat dissipation
- Bus Configuration: Ensure bus protocol matches the network (e.g., PROFINET models for PROFINET networks)
- Power Supply: Connect to 24V DC power; verify polarity (built-in reverse polarity protection)
- I/O Wiring: Match DI/DO wiring to sinking/sourcing requirements; use shielded cables for EMI-prone environments
- Modular Expansion: Standalone couplers (e.g., 2403696) require compatible modular I/O modules (e.g., 2700047) for signal expansion
- Fiber Optic Handling: For SC RJ models (2878379), use compatible fiber optic cables and ensure proper connector cleaning
Phoenix IL Series: Industrial Bus Couplers & Remote I/O Modules - Selection Guide
Created on：2025-11-17 10:54
