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Wago 750-816/300-000 Controller Modbus, Rs232 115.2Kbd
WAGO 750-816/300-000 MODBUS RTU programmable logic controller with RS-232 communication, 16-bit processor, IEC 61131-3 programming support and compatibility with WAGO-I/O-SYSTEM 750 modules.
£411.42
Why Choose the WAGO 750-816/300-000 MODBUS Controller?
The WAGO 750-816/300-000 is a powerful MODBUS RTU programmable logic controller (PLC) designed for decentralised industrial automation, machine control and distributed I/O applications. As part of the highly respected WAGO-I/O-SYSTEM 750 series, it combines PLC functionality and MODBUS communication within a compact DIN rail mounted controller, providing a cost-effective solution for industrial control systems.
Developed for OEMs, machine builders and automation engineers, the controller enables local processing of automation tasks while reducing network traffic. With support for IEC 61131-3 programming standards, engineers can access all fieldbus and I/O data directly to create efficient and scalable automation solutions.
Featuring MODBUS RTU communication via RS-232, a 16-bit processor and support for up to 64 I/O modules, the 750-816/300-000 is ideal for industrial machinery, process automation, material handling systems and building management applications. Its compact design simplifies installation while supporting flexible system expansion.
Key Advantages
- Integrated PLC and MODBUS RTU controller in a single device.
- RS-232 communication supporting data rates up to 115.2 kBd.
- Supports up to 247 MODBUS field devices.
- Compatible with the extensive WAGO-I/O-SYSTEM 750 module range.
- Reduces fieldbus traffic through local signal processing.
- Programmable fault response during communication failures.
- Compact DIN rail mounted design.
- Suitable for decentralised automation architectures.
Key Features
- WAGO-I/O-SYSTEM 750 Controller.
- MODBUS RTU communication protocol.
- RS-232 interface with data rates up to 115.2 kBd.
- 16-bit processor architecture.
- IEC 61131-3 programming support.
- WAGO-I/O-PRO V2.3 programming environment.
- Supports up to 64 I/O modules per node.
- Maximum 6000 I/O points.
- Integrated diagnostic LED indicators.
- IP20 protection rating.
Reliable MODBUS Control for Industrial Automation
The WAGO 750-816/300-000 combines a MODBUS fieldbus coupler with integrated PLC functionality, allowing decentralised control of industrial processes. By processing signals locally, the controller reduces communication overhead while improving response times and overall system efficiency.
Its IEC 61131-3 compliant programming environment enables engineers to develop sophisticated automation applications while maintaining compatibility with established industrial programming standards. This makes the controller ideal for distributed control systems requiring reliability, flexibility and scalability.
Typical Applications
- Industrial machine control.
- Process automation systems.
- Material handling and conveyor systems.
- Manufacturing automation.
- Building management systems.
- Distributed I/O architectures.
- OEM machinery and control panels.
- Industrial retrofit projects.
Technical Specifications
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| Communication | Modbus RTU, RS232 | |
|---|---|---|
| Product Series | WAGO I/O System 750 | |
| Device Type | CPU / Controller | |
| Coil / Supply Voltage | 24 V DC | |
| Voltage | 24 V | |
| IP Rating | IP20 | |
| Series | WAGO-I/O-SYSTEM 750 | |
| Product type | MODBUS RTU PLC Controller | |
| CPU | 16-bit processor | |
| Communication protocol | MODBUS RTU | |
| Communication interface | RS-232 (D-Sub 9 socket) | |
| Transmission rate | 150 Bd to 115.2 kBd | |
| Supply voltage | 24 V DC (-25% to +30%) | |
| Program memory | 32 KB | |
| Data memory | 32 KB | |
| Non-volatile memory | 8 KB | |
| Maximum I/O points | 6000 | |
| Maximum fieldbus nodes | 247 | |
| Maximum I/O modules | 64 | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Operating temperature | 0°C to +55°C | |
| Dimensions (W × H × D) | 50.5 × 71.1 × 100 mm | |
| Weight | Approx. 185 g | |
| HS Code | 85371091 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the WAGO 750-816/300-000 used for?
The controller is used for industrial automation, machine control and distributed I/O applications requiring MODBUS RTU communication via RS-232.
Which communication protocol does the controller support?
The unit supports MODBUS RTU communication over an RS-232 interface.
How many MODBUS devices can be connected?
The controller can communicate with up to 247 MODBUS field devices when operating as a master.
How many I/O modules can be connected?
Up to 64 WAGO I/O modules can be connected within a single node configuration.
What programming software is used?
The controller is programmed using WAGO-I/O-PRO V2.3, based on the CODESYS development environment and compliant with IEC 61131-3 standards.
Trusted by Automation Professionals Worldwide
WAGO MODBUS controllers are widely deployed in industrial automation systems where reliable communication, decentralised control and scalable I/O integration are essential for efficient long-term operation.
