Phoenix AXL E Series: Distributed I/O Modules & Accessories - Comprehensive Application & Selection Guide
Product Positioning & Core Value
The Phoenix AXL E Series represents a versatile portfolio of distributed industrial I/O modules designed for seamless integration into modern automation networks. Engineered to bridge controllers with field devices, these modules support multiple industrial communication protocols (Profinet, Ethernet, EtherNet/IP, EtherCAT) and offer flexible I/O configurations—including IO-Link connectivity, high-power outputs, and digital signal processing. With IP65/IP67 protection, M12 quick-connect technology, and rugged construction, the series thrives in harsh industrial environments (e.g., factory floors, outdoor installations) while delivering reliable data transmission and control. Complemented by ATEX-compliant protection kits and compatible accessories, the AXL E Series enables scalable, modular automation solutions for manufacturing, process control, logistics, and energy sectors, reducing wiring complexity and maximizing system uptime.
Product Family Overview
The AXL E Series is organized by communication protocol and functional type, with four core I/O module sub-series and dedicated accessories:
1. AXL E PB Series (Profinet)
- Function: Profinet IO-compliant distributed I/O modules for real-time industrial communication.
- Key I/O Configurations: IO-Link + digital input, 16-channel DIO, 8-in/8-out, 8-in/4-out (2A), 16-channel DI.
- Typical Models: AXL E PB IOL8 DI4 M12 6P, AXL E PB DIO16 M12 6P, AXL E PB DI8 DO4 2A M12 6P.
- Ideal For: European-centric automation systems, high-speed synchronization, and Profinet-enabled controllers.
2. AXL E ETH Series (Ethernet)
- Function: Standard Ethernet-compatible I/O modules for universal network integration.
- Key I/O Configurations: 16-channel DIO, 8-in/8-out, 8-in/4-out (2A), 16-channel DI, IO-Link + digital input.
- Typical Models: AXL E ETH IOL8 DI4 M12 6P, AXL E ETH DIO16 M12 6M, AXL E ETH DI8 DO8 M12 6P.
- Ideal For: Multi-protocol environments, legacy system upgrades, and global automation networks.
3. AXL E EIP Series (EtherNet/IP)
- Function: EtherNet/IP-compliant modules for seamless integration with Rockwell Automation and EIP-enabled systems.
- Key I/O Configurations: 16-channel DIO, 8-in/8-out, 8-in/4-out (2A), 16-channel DI, IO-Link + digital input.
- Typical Models: AXL E EIP IOL8 DI4 M12 6P, AXL E EIP DI8 DO4 2A M12 6M, AXL E EIP DI16 M12 6P.
- Ideal For: North American automation markets, process control, and EIP-based factory networks.
4. AXL E EC Series (EtherCAT)
- Function: EtherCAT-compliant modules for high-speed, deterministic motion control and real-time data exchange.
- Key I/O Configurations: 16-channel DIO, 8-in/8-out, 8-in/4-out (2A), 16-channel DI, IO-Link + digital input.
- Typical Models: AXL E EC IOL8 DI4 M12 6P, AXL E EC DIO16 M12 6M, AXL E EC DI8 DO8 M12 6P.
- Ideal For: Robotics, packaging machinery, and high-precision automation requiring sub-millisecond synchronization.
5. Accessories & Complementary Products
- ATEX Protection: AXL E ATEX PROTECTION SET (1182217) – Intrinsically safe protection for hazardous areas (Zone 2/22).
- Digital Input Module: AXL DI 32/1-ME (2688158) – 32-channel digital input module for high-density applications.
- Connection Accessories: AXL CN S/UL (2701421) – Universal connection kit; AXL BS BK (2701422) – Bus coupler base; AXL BK PN-ME (2688132) – Profinet bus coupler base.
Technical Specifications (Universal Parameters)
| Parameter Category | Technical Indicators | Notes |
|---|---|---|
| Electrical Characteristics | ||
| Supply Voltage | 24V DC (±10%) | Industrial standard power supply |
| I/O Signal Types | - Digital Input: 24V DC (Type 1, EN 61131-2)- Digital Output: Transistor (PNP/NPN), 0.5A standard / 2A high-power- IO-Link: IEC 61158-6-14 (8 ports per IOL8 model) | Model-dependent configurations |
| IO-Link Version | V1.1/V1.2 | Supports smart sensor/actuator communication |
| Output Current | Standard: 0.5A per channelHigh-Power (DO4 2A): 2A per channel | For driving solenoids, small motors, or high-load actuators |
| Isolation Voltage | 2kV (input-output-power) | Reduces electromagnetic interference (EMI) |
| Mechanical Characteristics | ||
| Mounting Type | Panel mounting (bracket included) | Space-saving design for control cabinets or field installation |
| Housing Material | Polyamide PA (Flame-retardant V0 grade) | Resistance to impact, chemicals, and UV radiation |
| Protection Class | IP65/IP67 | Dust-tight and protected against water jets (IEC 60529) |
| Operating Temperature | -25°C to +60°C | Industrial-grade temperature tolerance |
| Storage Temperature | -40°C to +85°C | Stable storage performance |
| Connector Type | M12 6-pin (6P = Female, 6M = Male) | Quick-connect, tool-free wiring |
| Dimensions (H×W×D) | ~185 × 60 × 30.5 mm | Compact profile for dense installations |
| Compliance & Safety | ||
| Certifications | CE, UL 508, CSA, ATEX (with protection set), IEC 61131-2 | Global industrial and hazardous area compliance |
| Standards | EN 60947-5-2, IEC 61158-6-14 (IO-Link), ISO 13849-1 | Meets international automation and safety standards |
| Status Indicators | LED per channel (power-on, signal active, fault) + IO-Link status | Easy troubleshooting and system monitoring |
Detailed Function Module Introduction
1. IO-Link + Digital Input Modules (IOL8 DI4)
| Model | Order No. | Core Functions | Technical Highlights | Application Scenarios |
|---|---|---|---|---|
| AXL E PB IOL8 DI4 M12 6P | 2701503 | 8 IO-Link ports + 4 digital inputs, Profinet | IP67 protection, IO-Link V1.2, 2kV isolation | Smart factory automation (connecting IO-Link sensors/actuators) |
| AXL E EIP IOL8 DI4 M12 6P | 2701496 | 8 IO-Link ports + 4 digital inputs, EtherNet/IP | EIP compliance, M12 female connector | North American manufacturing (Rockwell-based systems) |
| AXL E EC IOL8 DI4 M12 6P | 2701524 | 8 IO-Link ports + 4 digital inputs, EtherCAT | Deterministic communication, sub-ms synchronization | Robotics and high-speed packaging lines |
2. 16-Channel Digital I/O Modules (DIO16)
| Model | Order No. | Core Functions | Technical Highlights | Application Scenarios |
|---|---|---|---|---|
| AXL E ETH DIO16 M12 6P | 2701534 | 16-channel configurable DIO, Ethernet | Universal Ethernet compatibility, IP65 protection | General industrial automation (mixed input/output needs) |
| AXL E EIP DIO16 M12 6M | 2701489 | 16-channel configurable DIO, EtherNet/IP | M12 male connector, 0.5A output | Process control systems (valve and pump control) |
| AXL E EC DIO16 M12 6M | 2701528 | 16-channel configurable DIO, EtherCAT | Real-time data exchange, compact design | Automotive assembly lines (synchronous control) |
3. 8-Input/8-Output Modules (DI8 DO8)
| Model | Order No. | Core Functions | Technical Highlights | Application Scenarios |
|---|---|---|---|---|
| AXL E PB DI8 DO8 M12 6P | 2701497 | 8 digital inputs + 8 outputs, Profinet | Balanced I/O configuration, IP67 | Material handling systems (conveyor belts, sensors) |
| AXL E ETH DI8 DO8 M12 6M | 2701537 | 8 digital inputs + 8 outputs, Ethernet | M12 male connector, EMI resistance | Logistics and warehouse automation |
| AXL E EIP DI8 DO8 M12 6M | 2701487 | 8 digital inputs + 8 outputs, EtherNet/IP | EIP device-level ring (DLR) support | Oil & gas field devices (remote monitoring) |
4. High-Power Modules (DI8 DO4 2A)
| Model | Order No. | Core Functions | Technical Highlights | Application Scenarios |
|---|---|---|---|---|
| AXL E PB DI8 DO4 2A M12 6P | 2701502 | 8 inputs + 4 high-power outputs (2A), Profinet | 2A per output, suitable for heavy loads | Industrial machinery (solenoid valves, small motors) |
| AXL E EC DI8 DO4 2A M12 6M | 2701529 | 8 inputs + 4 high-power outputs (2A), EtherCAT | Deterministic control, IP67 | Robotics (gripper and actuator control) |
| AXL E EIP DI8 DO4 2A M12 6M | 2701490 | 8 inputs + 4 high-power outputs (2A), EtherNet/IP | EIP safety integration | Food & beverage processing (mixers, pumps) |
5. 16-Channel Digital Input Modules (DI16)
| Model | Order No. | Core Functions | Technical Highlights | Application Scenarios |
|---|---|---|---|---|
| AXL E ETH DI16 M12 6P | 2701533 | 16 digital inputs, Ethernet | High-density input, noise filtering | Status monitoring (limit switches, proximity sensors) |
| AXL E EC DI16 M12 6M | 2701526 | 16 digital inputs, EtherCAT | Real-time status feedback | High-precision manufacturing (CNC machine tools) |
| AXL E PB DI16 M12 6P | 2701498 | 16 digital inputs, Profinet | Profinet IO RT support | Power generation (sensor data acquisition) |
6. Accessories
| Model | Order No. | Core Functions | Technical Highlights | Application Scenarios |
|---|---|---|---|---|
| AXL E ATEX PROTECTION SET | 1182217 | ATEX-compliant protection for Zone 2/22 | Intrinsically safe design, IP67 | Hazardous areas (chemical plants, oil refineries) |
| AXL DI 32/1-ME | 2688158 | 32-channel digital input module | High-density, DIN rail mounting | Control cabinet I/O expansion |
| AXL BK PN-ME | 2688132 | Profinet bus coupler base | Compatible with AXL E PB modules | Profinet network integration |
Application Scenario Analysis
1. Automotive Manufacturing (High-Speed Automation)
Recommended Configuration:
- Communication Protocol: AXL E EC (EtherCAT) for real-time motion control
- I/O Modules: AXL E EC IOL8 DI4 M12 6P (2701524) + AXL E EC DI8 DO4 2A M12 6M (2701529)
- Accessories: AXL E ATEX PROTECTION SET (1182217) for paint shop hazardous areas
Implementation Advantages:
- EtherCAT’s sub-ms synchronization enables coordinated robot movements.
- IO-Link ports support smart sensors (e.g., vision systems, torque sensors) for quality control.
- High-power outputs drive welding guns and conveyor motors directly.
2. Process Automation (EtherNet/IP-Based Systems)
Recommended Configuration:
- Communication Protocol: AXL E EIP (EtherNet/IP) for Rockwell compatibility
- I/O Modules: AXL E EIP DIO16 M12 6M (2701489) + AXL E EIP DI8 DO8 M12 6M (2701487)
- Accessories: AXL CN S/UL (2701421) for universal wiring
Implementation Advantages:
- EIP DLR support ensures network redundancy, minimizing downtime.
- IP67 protection withstands washdowns in chemical/petrochemical plants.
- M12 quick-connect reduces field wiring time by 50%.
3. Logistics & Warehouse Automation (Profinet)
Recommended Configuration:
- Communication Protocol: AXL E PB (Profinet) for European market compliance
- I/O Modules: AXL E PB DI16 M12 6P (2701498) + AXL E PB DI8 DO8 M12 6P (2701497)
- Accessories: AXL BS BK (2701422) bus coupler base
Implementation Advantages:
- Profinet IO RT supports high-speed data exchange for AGV navigation.
- 16-channel DI modules monitor multiple proximity sensors (pallet detection, door status).
- Compact design fits in AGV control panels and rack-mounted enclosures.
4. Hazardous Area Monitoring (ATEX-Compliant)
Recommended Configuration:
- Communication Protocol: AXL E ETH (Ethernet) for universal connectivity
- I/O Modules: AXL E ETH IOL8 DI4 M12 6P (2701536) + AXL E ETH DI8 DO4 2A M12 6M (2701540)
- Accessories: AXL E ATEX PROTECTION SET (1182217) for Zone 2 protection
Implementation Advantages:
- ATEX certification ensures safety in explosive gas/dust environments.
- IO-Link ports connect smart gas sensors for real-time leak detection.
- IP67 protection prevents moisture/dust ingress in outdoor installations.
Selection Guide
Step 1: Determine Communication Protocol
| Protocol | Compatibility | Ideal For |
|---|---|---|
| AXL E PB (Profinet) | Siemens, European automation systems | Smart factories, motion control (Europe) |
| AXL E EIP (EtherNet/IP) | Rockwell, North American systems | Process control, factory automation (NA) |
| AXL E EC (EtherCAT) | High-speed motion control | Robotics, packaging, CNC machinery |
| AXL E ETH (Ethernet) | Universal Ethernet networks | Legacy system upgrades, multi-vendor environments |
Step 2: Select I/O Configuration
| I/O Need | Recommended Module Type | Key Models |
|---|---|---|
| Smart Sensor/Actuator Connectivity | IOL8 DI4 (8 IO-Link + 4 DI) | AXL E PB/EIP/EC/ETH IOL8 DI4 |
| Mixed Input/Output (Balanced) | DI8 DO8 (8-in/8-out) | AXL E PB/EIP/EC/ETH DI8 DO8 |
| High-Power Loads (Solenoids/Motors) | DI8 DO4 2A (8-in/4-out, 2A) | AXL E PB/EIP/EC/ETH DI8 DO4 2A |
| High-Density Inputs | DI16 (16 digital inputs) | AXL E PB/EIP/EC/ETH DI16 |
| Versatile Mixed I/O | DIO16 (16 configurable I/O) | AXL E PB/EIP/EC/ETH DIO16 |
Step 3: Choose Connector Type
- M12 6P (Female): For connecting to male-ended field cables/sensors (most common).
- M12 6M (Male): For direct connection to female sockets or panel-mounted devices.
Step 4: Special Requirements
- Hazardous Areas: Add AXL E ATEX PROTECTION SET (1182217) for Zone 2/22 compliance.
- High-Density Cabinet Installation: Use AXL DI 32/1-ME (2688158) for 32-channel input expansion.
- Network Integration: Select compatible bus coupler base (e.g., AXL BK PN-ME for Profinet).
Installation & Maintenance Guide
Installation Steps:
- Mounting: Secure the module to a panel using the included bracket (torque: 1.5~2Nm) or attach to a DIN rail via accessories.
- Wiring: Connect M12 6-pin connectors (align and twist 1/4-turn to lock); strip conductors to 8mm for proper contact.
- Power Connection: Supply 24V DC to the power terminal (ensure polarity: +/-, reverse polarity protected).
- Network Configuration: Configure communication parameters (IP address, protocol settings) via software (e.g., TIA Portal for Profinet, Studio 5000 for EIP).
- Testing: Verify LED indicators (green = power-on, yellow = signal active) and test I/O functionality with field devices.
Maintenance Points:
- Status Monitoring: Check channel LEDs for faults (red = short-circuit/overload); replace modules if indicators remain red after troubleshooting.
- Connector Care: Clean M12 connectors quarterly with a dry cloth to remove dust/water; replace damaged connectors immediately.
- Environmental Protection: Ensure installation area remains within -25°C~+60°C and avoid direct exposure to chemicals or high-pressure water.
- ATEX Compliance: In hazardous areas, inspect the ATEX protection set annually for damage to seals or housing.
- Replacement: Use tool-free M12 connectors for quick module replacement; no wiring rework required.
AXL E Series vs. Traditional Distributed I/O Solutions
| Comparison Dimension | Phoenix AXL E Series | Traditional Solutions |
|---|---|---|
| Communication Flexibility | Multi-protocol support (Profinet/EIP/EtherCAT/Ethernet) | Single-protocol lock-in |
| Protection Level | IP65/IP67 (field-installable) | IP20 (requires cabinet protection) |
| Installation Speed | M12 quick-connect (50% faster than terminal wiring) | Time-consuming screw terminals |
| Smart Device Integration | IO-Link V1.2 support for smart sensors/actuators | No native IO-Link compatibility |
| Space Efficiency | Compact design (30.5mm depth) saves 40% panel space | Bulky enclosures for field I/O |
| Reliability | -25°C~+60°C operating range, UV/chemical resistance | Narrow temperature tolerance, fragile housing |
| Scalability | Modular expansion without network reconfiguration | Fixed I/O counts, difficult to upgrade |
Summary & Next Steps
The Phoenix AXL E Series delivers flexible, rugged distributed I/O solutions for industrial automation, supporting multiple communication protocols, smart device integration, and harsh environment deployment. By selecting the appropriate protocol, I/O configuration, and accessories, you can build scalable, future-proof systems that reduce wiring complexity, minimize downtime, and enhance productivity.