Phoenix IB IL 24 Series: IB Bus Distributed I/O Modules - Selection Guide
Product Overview
The Phoenix IB IL 24 Series consists of distributed I/O modules designed for IB bus industrial automation systems. Featuring PAC (Plug-and-Play) packaging, 24V DC power supply, and 35mm DIN rail mounting, these modules cover safety digital I/O (PSDI/PSDO/PSDOR), standard digital output (LPSDO), signal multiplexing (MUX), bus link management (LSKIP), and fieldbus interface (FLM) functions. They enable remote signal acquisition, load control, and bus communication in distributed automation setups, ideal for control cabinets, manufacturing lines, and process control scenarios requiring scalable I/O expansion and reliable IB bus integration.
Model Quick Reference Table
1. Safety Digital Output Modules (PSDOR/PSDO)
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2985864 | IB IL 24 PSDOR 4-PAC | Safety Digital Output (Relay) | 4-channel safety relay output, PAC packaging | Safety-related load control (e.g., emergency stops, safety doors) |
| 2700563 | IB IL 24 PSDOR 4-F-PAC | Safety Digital Output (Relay) | 4-channel safety relay output, F-function, PAC | Enhanced safety load control with fault monitoring |
| 2700722 | IB IL 24 PSDO 8-PLSET/CP/R | Safety Digital Output | 8-channel safety DO, PLSET configuration, CP/R function | High-density safety output with flexible parameterization |
| 2985631 | IB IL 24 PSDO 8-PAC | Safety Digital Output | 8-channel safety DO, compact PAC design | Standard high-density safety output expansion |
| 2700804 | IB IL 24 PSDO 4/4-R-PAC | Safety Digital Output | 4+4-channel safety DO, R-function, PAC | Dual-group safety output control for segmented systems |
| 2700721 | IB IL 24 PSDO 4/4-PLSET/CP/R | Safety Digital Output | 4+4-channel safety DO, PLSET/CP/R functions | Configurable dual-group safety output with parameterization |
| 2916493 | IB IL 24 PSDO 4/4-PAC | Safety Digital Output | 4+4-channel safety DO, PAC packaging | Basic dual-group safety output expansion |
2. Safety Digital Input Modules (PSDI)
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2985688 | IB IL 24 PSDI 8-PAC | Safety Digital Input | 8-channel safety DI, PAC packaging | Standard safety sensor signal acquisition (e.g., safety switches) |
| 2700994 | IB IL 24 PSDI 16-PAC | Safety Digital Input | 16-channel safety DI, high density | Large-scale safety sensor integration (dense control setups) |
3. Signal Multiplexing & Link Modules
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2861205 | IB IL 24 MUX MA-PAC | Signal Multiplexer | Analog signal multiplexing, MA function | Reduce IB bus I/O load via signal consolidation |
| 2897457 | IB IL 24 LSKIP-PAC | Link Skip Module | IB bus link bypass, PAC packaging | Bypass faulty modules to maintain bus continuity |
4. Standard Digital Output & Fieldbus Modules
| Model No. | Product Name | Function Type | Core Features | Application Scenarios |
|---|---|---|---|---|
| 2701625 | IB IL 24 LPSDO 8 V3-PAC | Standard Digital Output (V3) | 8-channel standard DO, V3 version, PAC | General-purpose non-safety load control (V3 enhanced) |
| 2700606 | IB IL 24 LPSDO 8 V2-PAC | Standard Digital Output (V2) | 8-channel standard DO, V2 version, PAC | Basic general-purpose digital output expansion |
| 2736903 | IB IL 24 FLM-PAC | Fieldbus Interface Module | IB bus fieldbus link, PAC packaging | IB bus distributed system bus interface |
| 2737009 | IB IL 24 FLM MULTI-PAC | Multi-Fieldbus Interface Module | Multi-protocol fieldbus support, PAC | IB bus integration with multi-protocol industrial networks |
Core Technical Specifications (Universal)
| Parameter | Value | Notes |
|---|---|---|
| Bus Protocol | IB Bus | Dedicated to IB bus distributed automation |
| Supply Voltage | 24V DC (19.2~28.8V) | Industrial standard power supply |
| I/O Electrical Ratings | DI: 24V DC (sinking/sourcing); DO: 24V DC, 0.5A per channel (standard); 2A per channel (relay) | Safety I/O complies with EN 61508 |
| Operating Temperature | -25℃~70℃ | Adapts to harsh industrial environments |
| Mounting Type | 35mm DIN rail (NS 35/7.5) | PAC packaging for plug-and-play installation |
| Protection Class | IP20 (cabinet mounting) | Dust-proof, suitable for control cabinets |
| Insulation Strength | 2kV (I/O-circuit to supply) | Anti-interference, ensures signal stability |
| Connection Type | Plug-in terminals (PAC) | Tool-free installation, 0.14~2.5mm² conductors |
| Certifications | CE, UL, CSA, EN 61508 (safety models) | Global industrial compliance; safety models meet SIL requirements |
| Power Consumption | ≤3W (8-channel modules); ≤5W (16-channel modules) | Low heat generation for dense layouts |
| Packaging Type | PAC (Plug-and-Play) | Pre-wired connectors for fast deployment |
Application Scenarios & Recommended Models
1. Safety-Related I/O Expansion
-
Requirement: 4-channel safety relay output (critical load control)
-
Recommended Model: 2985864 (IB IL 24 PSDOR 4-PAC)
-
Key Reason: Safety relay output ensures fail-safe control; PAC packaging simplifies installation
-
Requirement: 16-channel high-density safety input (multiple safety sensors)
-
Recommended Model: 2700994 (IB IL 24 PSDI 16-PAC)
-
Key Reason: 16-channel density reduces cabinet space; safety-compliant for sensor integration
2. General-Purpose Digital Output
- Requirement: Standard non-safety load control (enhanced version)
- Recommended Model: 2701625 (IB IL 24 LPSDO 8 V3-PAC)
- Key Reason: V3 version offers improved performance; 8-channel design fits general automation needs
3. IB Bus Distributed Signal Consolidation
- Requirement: Analog signal multiplexing to reduce I/O load
- Recommended Model: 2861205 (IB IL 24 MUX MA-PAC)
- Key Reason: Multiplexing function optimizes IB bus bandwidth; PAC design for easy integration
4. Bus Continuity & Fieldbus Integration
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Requirement: Bypass faulty modules to maintain bus operation
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Recommended Model: 2897457 (IB IL 24 LSKIP-PAC)
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Key Reason: Link skip function ensures uninterrupted bus communication; plug-and-play deployment
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Requirement: Multi-protocol fieldbus integration with IB bus
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Recommended Model: 2737009 (IB IL 24 FLM MULTI-PAC)
-
Key Reason: Multi-protocol support adapts to diverse industrial networks
Core Advantages
- IB Bus Specialization: Dedicated to IB bus distributed systems, ensuring seamless compatibility
- Plug-and-Play PAC Design: Pre-wired connectors and compact packaging enable fast deployment
- Safety & Standard I/O Coverage: Supports both safety (EN 61508) and general-purpose I/O needs
- High Channel Density: Up to 16-channel modules maximize control cabinet utilization
- Industrial-Grade Reliability: Wide temperature range, 2kV insulation, and IP20 protection resist harsh conditions
- Easy Scalability: Modular design allows flexible I/O expansion for growing systems
- Low Maintenance: Plug-in terminals simplify module replacement and troubleshooting
Installation & Usage Notes
- Bus Matching: Ensure modules are compatible with the IB bus system version (check firmware compatibility)
- Voltage Matching: Power modules with 24V DC (19.2~28.8V) to avoid malfunctions or damage
- Safety Wiring: For safety models (PSDI/PSDO/PSDOR), follow EN 61508 wiring guidelines (separate safety/standard wiring)
- PAC Connector Handling: Avoid damaging plug-in connectors during installation; ensure full insertion
- Mounting Spacing: Reserve ≥5mm between modules for heat dissipation, especially for 16-channel models
- Link Skip Usage: Deploy LSKIP-PAC only for temporary bypass during maintenance; replace faulty modules promptly
- Firmware Updates: For FLM MULTI-PAC, update firmware to support required fieldbus protocols before integration