EtherNet/IP™ to Modbus® TCP/IP Communication Gateway – PLX31-EIP-MBTCP
This gateway facilitates high-speed bi-directional data transfers between EtherNet/IP™-enabled controllers or devices and Modbus® TCP/IP controllers or devices. The Modbus® TCP/IP driver features both client and server functionality for enhanced data transmission speed. Several features, including data prioritization, are included for simplified integration, reduced commissioning time, and optimized performance.
Features and Benefits:
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Data Prioritization: Multiple I/O connections with configurable RPIs for optimized Ethernet bandwidth usage.
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Embedded EDS Add-On Profile: Simplifies integration and reduces commissioning time.
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SD Card Slot: (Optional) For storing configuration files and enabling disaster recovery.
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ProSoft Discovery Service: Allows PC-based discovery and IP address modification without being on the same subnet.
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Secure Module Configuration: Via module switch (v1.04 and greater).
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High Data Capacity: Up to 10,000 16-bit registers for large data exchanges.
Specifications
EtherNet/IP™ Specifications
| Specification | Description |
| Number of Class 3 Server Connections | 5 |
| Supported PLC Types | PLC2, PLC5, SLC, CLX, CMPLX, MICROLX |
| Supported Message Types | PCCC and CIP |
| Class 3 Client Connections | Connected: 2
Unconnected: 1 |
| Number of Class 1 I/O Connections | 2 |
| I/O Connection Sizes | 248/248 |
| Max RPI Time | 5 ms per connection |
| CIP Services Supported | 0x4C – CIP Data Table Read
0x4D – CIP Data Table Write CIP Generic |
| Command List | Support for 100 commands per Client, each configurable for command type, IP address, register to/from addressing, and word/bit count. |
| Command Sets | PLC-2/PLC-3/PLC5 Basic Command Set
PLC5 Binary Command Set PLC5 ASCII Command Set SLC500 Command Set |
Modbus® TCP/IP Specifications
| Specification | Description |
| Supported Modbus Function Codes | 1: Read Coil Status
2: Read Input Status 3: Read Holding Registers 4: Read Input Registers 5: Force (Write) Single Coil 6: Preset (Write) Single Holding Register 15: Force (Write) Multiple Coils 16: Preset (Write) Multiple Holding Registers 22: Mask Write Holding Register (Slave Only) 23: Read/Write Holding Registers (Slave Only) |
| Supported Clients | 10 |
| Supported Servers | MBAP: 5
Encapsulated: 5 |
| Command List | Up to 160 fully configurable Client commands |
| Status Data | Error codes reported individually for each command |
| Command List Polling | Each command can be individually enabled or disabled; write-only-on-data-change is available |
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