750-891 | Wago Modbus TCP Programmable Controller for WAGO I/O System 750

Wago · PLCs & Industrial Controllers

Description  The Wago 750-891 is a Modbus TCP programmable controller designed for use within Ethernet-based industrial automation networks using the WAGO I/O System. It combines PLC functionality with high-speed Ethernet communication, enabling reliable control and data exchange across distributed I/O modules. The controller is suitable for automation tasks requiring multitasking performance, web-based diagnostics, and flexible network integration.     Technical Specifications  Condition New/Never Used Surplus Brand Wago Category Industrial Automation Part Number 750-891 Subcategory Programmable Controllers Communication Protocols Modbus TCP, Modbus UDP Ethernet Interfaces 2 × RJ-45 with integrated switch Transmission Rate 10/100 Mbit/s CPU Architecture 32-bit Program Memory 4 MB Data Memory 4 MB Non-Volatile Memory 32 kB Max. Modules per Node 250 Max. I/O Process Image 1020 words input / 1020 words output System Supply Voltage 24 VDC (-25 … +30 %) Degree of Protection IP20 Operating Temperature 0 to +55 °C Weight 149.9 g     Information About 750-891 The 750-891 is part of the WAGO I/O System 750 controller family, engineered for Modbus TCP and UDP communication over standard Ethernet infrastructure. It automatically detects connected I/O modules and generates a unified local process image that supports mixed analog and digital data handling. The controller integrates two Ethernet ports with an internal switch, allowing line topology wiring without external networking devices. Designed for IEC 61131-3 programming, it supports advanced control applications with multitasking capability and a battery-backed real-time clock. Key Features: Modbus TCP/UDP Controller: Operates as a programmable controller within Ethernet-based Modbus networks. Dual Ethernet Ports: Two RJ-45 interfaces with integrated switch support line topology wiring. Automatic I/O Detection: Identifies connected modules and builds a unified local process image. Mixed Signal Processing: Supports simultaneous analog word-based and digital bit-based data transfer. IEC 61131-3 Programmable: Compatible with multiple standardized PLC programming languages. Integrated Web Server: Enables configuration, diagnostics, and PLC status monitoring via browser. Multitasking PLC Architecture: Designed for concurrent control tasks and deterministic operation. Battery-Backed RTC: Maintains real-time clock during power loss conditions. Industrial Ethernet Support: Compatible with common Ethernet protocols including HTTP, DHCP, DNS, and SNMP. The 750-891 delivers the reliability and precision required for Ethernet-based programmable control and distributed industrial automation systems.

Brand: Wago · Category: PLCs & Industrial Controllers

Key features

• Modbus TCP/UDP Controller: Operates as a programmable controller within Ethernet-based Modbus networks.
• Dual Ethernet Ports: Two RJ-45 interfaces with integrated switch support line topology wiring.
• Automatic I/O Detection: Identifies connected modules and builds a unified local process image.
• Mixed Signal Processing: Supports simultaneous analog word-based and digital bit-based data transfer.
• IEC 61131-3 Programmable: Compatible with multiple standardized PLC programming languages.
• Integrated Web Server: Enables configuration, diagnostics, and PLC status monitoring via browser.
• Multitasking PLC Architecture: Designed for concurrent control tasks and deterministic operation.
• Battery-Backed RTC: Maintains real-time clock during power loss conditions.
• Industrial Ethernet Support: Compatible with common Ethernet protocols including HTTP, DHCP, DNS, and SNMP.

Specifications

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