HIMA X-DO 24 02 Digital Output Module

Product Overview

The HIMA X-DO 24 02 is a high-performance digital output module engineered for safety-critical applications in industrial automation systems. Designed to interface with distributed control systems (DCS) and programmable logic controllers (PLC), this module provides 24 channels of isolated digital outputs, enabling precise control of actuators, valves, and other field devices in hazardous environments. As part of HIMA’s X-Series safety platform, the HIMA X-DO 24 02 integrates seamlessly with safety instrumented systems (SIS), emergency shutdown (ESD) systems, and burner management systems (BMS), ensuring compliance with global safety standards such as IEC 61508 and IEC 61511.

The module’s robust design includes short-circuit protection and overload resistance, making it suitable for demanding applications in the oil and gas, chemical processing, and power generation sectors. Its compact form factor and wide operating temperature range (-20°C to +70°C) allow deployment in both indoor control panels and harsh outdoor installations. The HIMA X-DO 24 02 supports redundant power supplies and hot-swappable architecture, minimizing downtime during maintenance and enhancing system availability.

As a SIL 3-certified component, this module delivers exceptional reliability in applications where process safety is non-negotiable. Its compatibility with HIMA’s Smart Safety Engineering software simplifies configuration and diagnostics, while modular expansion capabilities enable scalable solutions for growing industrial facilities.

Technical Specifications

Main Features and Advantages

The HIMA X-DO 24 02 stands out for its 24-channel isolated outputs, which eliminate ground-loop interference and ensure signal integrity in electrically noisy environments. Each channel operates independently, with short-circuit protection and overload resistance enhancing system robustness. The module’s SIL 3 certification guarantees compliance with the highest safety integrity levels, reducing risk exposure for end-users in hazardous industries.

A key advantage is its hot-swappable design, allowing field engineers to replace modules without powering down the system—a critical feature for minimizing process interruptions. The integrated diagnostic LEDs provide real-time status feedback, simplifying troubleshooting and maintenance.

The module’s wide operating temperature range and shock-resistant casing enable deployment in extreme environments, such as offshore platforms or desert facilities. Compatibility with HIMA’s Smart Safety Engineering software streamlines configuration and validation workflows, lowering total cost of ownership by extending maintenance intervals and simplifying compliance audits.

Application Fields

In the oil and gas sector, the HIMA X-DO 24 02 controls emergency shutdown valves (ESV) and fire dampers, ensuring rapid isolation of hazardous areas during leaks or overpressure events. For chemical plants, the module’s SIL 3 rating enables safe operation of reactors and distillation columns, where process deviations can lead to explosions or toxic releases.

The HIMA X-DO 24 02 also excels in power generation, managing boiler feedwater pumps and turbine overspeed prevention systems. Its ability to interface with legacy DCS platforms makes it a preferred choice for retrofitting aging infrastructure without disrupting production. Additionally, in pharmaceutical manufacturing, the module ensures sterile environment integrity by controlling HVAC systems and critical utility shutdowns.

Beyond traditional sectors, the module’s rugged design suits marine and offshore applications, such as FPSO vessels and drilling rigs, where salt corrosion and vibrations are persistent threats. By consolidating multiple safety functions into a single unit, the HIMA X-DO 24 02 reduces cabinet space requirements and simplifies wiring complexity, offering tangible benefits for capital-intensive projects.

Related Products

• HIMA X-SB01: System bus module for HIMA X-Series systems, providing redundant communication links when paired with the HIMA X-DO 24 02.
• HIMA X-DO2401: High-density digital output module with 24 channels, suitable for large-scale installations.
• HIMA X-CPU 01: Central processing unit for HIMA X-Series systems, offering redundant logic execution.
• HIMA X-PSU 24: Redundant power supply unit ensuring uninterrupted operation during mains failures.
• HIMA X-HMI 01: Operator interface for local monitoring and bypass management of safety functions.

These products complement the HIMA X-DO 24 02 by expanding input/output capacity, enhancing communication capabilities, and ensuring system-wide redundancy.

Installation and Maintenance

Pre-installation preparations: Before deploying the HIMA X-DO 24 02, verify that the installation environment meets the specified temperature (-20°C to +70°C) and humidity (5–95% RH non-condensing) requirements. Ensure the power supply complies with the 24V DC nominal voltage (18–32V DC range) and that grounding follows IEC 60204-1 standards to prevent electrical noise interference.

During mounting, use the provided DIN rail clips and secure all cable connections with torque-controlled screwdrivers to avoid loose terminals. After physical installation, validate communication links using HIMA’s Smart Safety Engineering tool, which auto-detects module configurations and firmware versions.

Maintenance suggestions: Regularly inspect the module’s front-panel LEDs for diagnostic codes indicating output faults or communication errors. Schedule biannual firmware updates to patch security vulnerabilities and improve functional safety. For modules operating in corrosive environments, clean terminals annually with isopropyl alcohol and apply dielectric grease to prevent oxidation.

Avoid using non-HIMA-certified replacement parts, as these may compromise SIL certification. In case of module replacement, utilize the hot-swap feature to minimize process downtime and recalibrate safety thresholds post-installation.

Product Guarantee

Our company provides a one-year quality warranty for the HIMA X-DO 24 02, covering hardware malfunctions not caused by human error, improper installation, or environmental damage. During the warranty period, we offer free replacement for defective units, with expedited shipping available for urgent cases. For discontinued models or hard-to-find spare parts, our global supply chain network ensures rapid procurement, leveraging partnerships with HIMA and authorized distributors worldwide.

Technical support is available 24/7 through our dedicated hotline and email service, staffed by engineers certified in functional safety management. We also provide on-site commissioning assistance and safety integrity level (SIL) verification services to accelerate system validation. With 17 years of expertise in industrial automation, our company guarantees reliable access to critical spare parts, ensuring your operations remain uninterrupted even in obsolete equipment scenarios.

Contact Us
WhatsApp: +86 18859254943
E-mail: sales@ygplc.com