WAGO Ethernet Controller 750-891

The WAGO 750-891 Ethernet Controller is a powerful and versatile programmable logic controller (PLC) designed for industrial automation applications. It features two RJ-45 Ethernet ports for network connectivity and supports multiple industrial protocols including MODBUS/TCP and EtherNet/IP. With a 32-bit processor and ample memory, it can handle complex control tasks. The controller is DIN-rail mountable and operates on a 24 VDC power supply, making it suitable for a wide range of industrial environments.

Advantages

High-performance 32-bit CPU with 1 MB program memory and 512 KB data memory. Supports up to 64 I/O modules (250 with bus extension). Integrated real-time clock with battery backup. SD card slot for data logging, backup, and firmware updates. Wide operating temperature range from 0 to 55 °C. Compact design for space-saving installation.

Suitable for

• Industrial automation and control systems
• Building automation
• Process control
• Machine control
• Remote monitoring and data acquisition

Key specifications

• Communication Interface: 2 x RJ-45 Ethernet ports
• Ethernet Speed: 10/100 Mbit/s (Auto-negotiation)
• Supported Protocols: MODBUS/TCP (Client/Server), EtherNet/IP (Adapter), HTTP, BootP, DHCP, DNS, SNTP, FTP, SNMP
• Programming Languages: IEC 61131-3 (LD, FBD, ST, IL, SFC)
• Processor: 32-bit CPU
• Program Memory: 1 MB
• Data Memory: 512 KB
• Retain Memory: 32 KB
• Non-volatile Memory: 128 KB (for system data)
• SD Card Slot: Yes (for data logging, backup, firmware updates)
• Power Supply: 24 VDC (18 V ... 30 V)
• Current Consumption (internal): 500 mA
• Number of I/O Modules: Max. 64 (up to 250 with bus extension)
• Mounting Type: DIN-rail 35 mm
• Operating Temperature: 0 ... 55 °C
• Protection Rating: IP20
• Real-time Clock: Yes (battery-backed)
• Isolation: 500 V system/supply
• Configuration Software: WAGO-I/O-PRO, e!COCKPIT
• Firmware Update: Via SD card or Ethernet

Recommendations

For optimal performance, use with WAGO I/O modules and configure using e!COCKPIT software. Ensure proper DIN-rail mounting and adequate ventilation. The controller is designed for industrial environments; protect from excessive moisture and dust.