HIMA F3222 8-Channel Proximity Switch Input Module Product Overview

The HIMA F3222 is an 8-channel proximity switch input module designed for industrial automation and safety-critical applications. As part of HIMA’s HIMax and HIQuad safety systems , the F3222 ensures accurate and reliable proximity sensor signal acquisition. The module is widely used in environments where contactless sensing and monitoring are critical to ensuring operational safety and efficiency .

The F3222 module supports NAMUR sensors and is suitable for hazardous environments that require explosion-proof operation . With built-in fault detection and diagnostic functions , it ensures the integrity of the input signal and helps detect open or short circuits in the sensor wiring. Galvanic isolation between channels prevents interference and ensures stable and accurate signal processing .

The F3222 is compact and rugged , measuring 130 x 30 x 100 mm and weighing 0.25 kg . It offers high availability and redundancy support , making it ideal for industries such as oil and gas, chemical processing, power generation and transportation .

Main Features

• 8-channel proximity switch input module – provides real-time signal acquisition .
• Compatible with NAMUR sensors – ensuring operation in hazardous environments .
• Built-in fault diagnostics – detects short circuit and open circuit faults .
• Galvanic isolation between channels – enhances signal integrity and noise immunity .
• SIL 3 certified (IEC 61508) — Meets stringent safety and reliability standards .
• Redundant operations support – ensuring continued functionality of safety-critical systems .
• Fast response time – optimized for real-time control and monitoring .
• Compact design – Dimensions: 130 x 30 x 100 mm , Weight: 0.25 kg .
• Wide operating temperature range – suitable for harsh industrial environments .
• Seamless integration – compatible with HIMA HIMax and HIQuad safety systems .

Technical specifications

application

The HIMA F3222 proximity switch input module is widely used in mission-critical automation systems where contactless sensing is required for safety and control applications . Some of the major industries using this module include:

• Oil and Gas – For pipeline monitoring, valve position sensing and emergency shutdown systems (ESD) .
• Chemical Processing – ensuring safe operation of chemical reactors, hazardous area monitoring and process safety .
• Power Generation – for turbine monitoring, generator safety, and boiler system control .
• Manufacturing and Industrial Automation – For machine safety, material handling systems, and automated quality control .
• Water and Wastewater Treatment – ​​Helps monitor valve position, pump operation and water flow .
• Pharmaceutical Industry – Enables accurate monitoring of production lines to ensure compliance with safety regulations .
• Mining and Metals – For conveyor belt safety, heavy machinery monitoring and collision avoidance systems .
• Aerospace & Defense – Integration into mission-critical control systems requiring high safety integrity .
• Rail and Transportation – ensuring safe train movement, railroad crossing safety and automatic signaling .
• Renewable Energy – Component condition monitoring for wind and solar power plants .

Related Models

Below are 10 related models in the HIMA safety system range that offer similar or complementary functions: