EtherNet/IP for Schneider Electric
Industrial Protocol using standard Ethernet and TCP/IP. Primary protocol for Rockwell Automation (Allen-Bradley) systems.
Protocol Overview
Schneider Electric M580 and M340 support EtherNet/IP via BMXNOE0110 or BMXNOE01P0200 modules. Unity Pro/Control Expert provides EtherNet/IP scanner configuration.
When to Use EtherNet/IP
Choose EtherNet/IP for Rockwell/Allen-Bradley systems, North American facilities, or when standardizing on CIP family protocols.
Schneider Electric Hardware Requirements
Compatible Communication Modules
BMXNOE0110 (M340 Ethernet/IP + Modbus TCP)BMXNOE01P0200 (M580 Ethernet/IP)TM3XTRA1 (TM3 EtherNet/IP adapter)Wiring Details
Network Setup
100Mbps Ethernet. Scanner mode (master) or adapter mode (slave). Supports DLR with compatible switches.
Configuration
Unity Pro: Add BMXNOE0110 to rack. Configure as scanner. Import EDS files. Add adapters with I/O assembly configuration. Map to %IW/%QW.
Schneider Electric Software & Programming
Function Blocks & Instructions
Automatic I/O mapping to %IW/%QWEIP_READ/EIP_WRITE function blocksExplicit messaging via ETH_PORT_CTRLSchneider Electric Code Example
// Automatic I/O mapping: %QW0.0.0 := OutputValue; // Write to EtherNet/IP device output assembly InputValue := %IW0.0.0; // Read from EtherNet/IP device input assembly // Explicit message: EIP_READ( Enable := TRUE, IPAddress := '192.168.1.10', Path := '1,0', // Backplane, slot 0 ClassID := 4, InstanceID := 100, AttributeID := 3, DataLength := 10, => Data => ReadBuffer );
Schneider Electric-Specific Implementation Notes
BMXNOE0110 provides both EtherNet/IP and Modbus TCP on same module. I/O mapping uses Schneider's %IW/%QW addressing. DLR support for redundancy. Used when Modicon PLC integrates into Rockwell-dominated facility.
Technical Specifications
Physical Layer
- Physical Layer: IEEE 802.3 Ethernet
- Cable Type: Cat5e/Cat6 Ethernet
- Topology: Star, Tree, Ring, DLR (Device Level Ring)
- Power Over Cable: No
Data Layer
- Data Link: CIP (Common Industrial Protocol)
- Encoding: Binary
- Error Detection: CRC-32
- Frame Size: 1500 bytes (MTU)
Performance
- Scan Time: 1-10ms (CIP Motion: <1ms)
- Deterministic: Yes
- Real-Time: Yes
Certification
- Certification Required: Yes
- License Cost: ODVA membership and conformance testing
- Version: Current
Advantages & Disadvantages
Advantages
- ✓Uses standard unmodified Ethernet
- ✓Seamless IT/OT integration
- ✓CIP protocol consistency (DeviceNet, ControlNet)
- ✓Excellent diagnostics
- ✓Integrated safety (CIP Safety)
- ✓Strong motion control support
- ✓Large North American installed base
- ✓DLR for network redundancy
Disadvantages
- ✗Primarily Rockwell ecosystem
- ✗More complex than Modbus TCP
- ✗Requires managed switches for optimal performance
- ✗Configuration complexity
- ✗Less adoption outside North America
Common Use Cases & Applications
Industry Adoption
Supported Message Types
Implicit (I/O)Explicit (messaging)CIP MotionCIP SafetySupported PLC Brands
Protocol Comparisons
Alternative Protocols
- PROFINET
- Modbus TCP/IP
- CC-Link IE
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