Product Overview
The IOP304 is a versatile input/output processing module, designed to serve as a critical interface between industrial sensors, actuators, and control systems. Engineered for reliability and flexibility, this module excels in converting analog and digital signals, enabling seamless data exchange in complex automation environments. Whether deployed in manufacturing lines, process control plants, or infrastructure monitoring systems, the IOP304 ensures accurate signal processing and rapid response, making it an indispensable component in modern industrial setups.
With a focus on adaptability, the IOP304 supports a wide range of signal types, allowing it to integrate with diverse sensors (such as temperature, pressure, and flow sensors) and actuators (including valves, motors, and relays). Its robust design ensures stable operation in harsh industrial conditions, while its modular architecture simplifies system expansion and maintenance. The IOP304 is built to enhance operational efficiency by reducing signal latency and improving data accuracy, ultimately contributing to smarter decision-making and reduced downtime.
Technical Specifications
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Parameter
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Value
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Product Model
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IOP304
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Manufacturer
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METSO
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Product Type
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Input/Output Processing Module
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Analog Inputs
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8 channels (4-20 mA, 0-10 VDC)
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Digital Inputs
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16 channels (24 VDC, sinking/sourcing)
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Digital Outputs
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16 channels (24 VDC, 2 A per channel)
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Communication Protocol
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Modbus RTU, Ethernet/IP
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Operating Temperature
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-25°C to 70°C
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Power Supply
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24 VDC
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Dimensions
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120mm x 80mm x 30mm
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Key Features and Benefits
Multi-Signal Compatibility
The
IOP304 stands out for its ability to handle both analog and digital signals, with 8 analog input channels (supporting 4-20 mA and 0-10 VDC) and 16 digital input/output channels each. This versatility allows it to connect to a wide array of industrial sensors and actuators, eliminating the need for multiple specialized modules. In a chemical processing plant, for example, it can simultaneously process pressure readings (analog) from a reactor and status signals (digital) from a safety valve, streamlining system integration.

High-Speed Signal Processing
Equipped with a powerful processor, the IOP304 ensures rapid signal conversion and data transmission, with a response time of less than 10 ms. This speed is critical in time-sensitive applications, such as automated assembly lines, where real-time adjustments to robotic movements depend on instant feedback from position sensors. By minimizing latency, the module helps maintain precise control and reduces production errors.
Rugged Design for Industrial Environments
Built to withstand extreme conditions, the IOP304 operates reliably in temperatures ranging from -25°C to 70°C and resists vibration, electromagnetic interference (EMI), and dust. Its rugged construction makes it suitable for outdoor installations, such as renewable energy farms, and harsh indoor environments like steel mills. This durability ensures long-term performance with minimal maintenance, lowering lifecycle costs.
Flexible Communication
Supporting Modbus RTU and Ethernet/IP protocols, the
IOP304 seamlessly integrates with PLCs, SCADA systems, and industrial IoT platforms. This connectivity enables remote monitoring and configuration, allowing engineers to adjust settings or troubleshoot issues without on-site visits. In smart factories, this feature facilitates centralized data collection and analysis, paving the way for predictive maintenance and process optimization.

Easy Installation and Configuration
The IOP304 features a compact design and DIN rail mounting, making it easy to install in crowded control cabinets. Its user-friendly configuration software allows quick setup of input/output parameters, signal scaling, and alarm thresholds. This simplicity reduces installation time and training requirements, ensuring rapid deployment in both new systems and retrofits.
Related Models
- IOP305 – An upgraded model with 16 analog input channels and enhanced processing power, ideal for large-scale process plants requiring extensive sensor integration.
- IOP303 – A compact variant with 4 analog inputs and 8 digital I/O channels, designed for space-constrained applications like laboratory automation.
- IOP304-EX – An explosion-proof version certified for hazardous areas (ATEX, IECEx), suitable for oil refineries and chemical processing facilities.
- IOP304-W – A wireless model with Wi-Fi and 4G connectivity, eliminating wiring constraints in remote monitoring systems (e.g., pipeline monitoring).
- IOP304-H – A high-temperature variant rated for -40°C to 85°C, built for extreme environments such as foundries and geothermal power plants.
We provide professional pre-sales consultation and after-sales support for the
IOP304, including a one-year warranty. If you need assistance with system integration, configuration, or troubleshooting, our experts are ready to help. The
IOP304 and its related models are trusted in industries such as manufacturing, energy, and water treatment, delivering reliable signal processing for diverse automation needs.
