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Product Overview: TRICONEX DO3625A
The TRICONEX DO3625A is a high-reliability digital output module designed for safety-critical industrial automation systems. Engineered with TRICONEX’s renowned Triple Modular Redundancy (TMR) architecture, this module ensures fault-tolerant operation in environments where system downtime is unacceptable. As part of the TRICONEX 3625 series, the DO3625A is specifically optimized for applications requiring precise control over digital signals, such as emergency shutdown (ESD) systems, burner management systems, and process automation in oil and gas, chemical, and power generation industries.
The TRICONEX DO3625A is a high-reliability digital output module designed for safety-critical industrial automation systems. Engineered with TRICONEX’s renowned Triple Modular Redundancy (TMR) architecture, this module ensures fault-tolerant operation in environments where system downtime is unacceptable. As part of the TRICONEX 3625 series, the DO3625A is specifically optimized for applications requiring precise control over digital signals, such as emergency shutdown (ESD) systems, burner management systems, and process automation in oil and gas, chemical, and power generation industries.
With 32 isolated output channels rated for 24VDC, the TRICONEX DO3625A delivers stable and consistent performance across a wide voltage range (16–32VDC) and supports both supervised and non-supervised digital output configurations. Its robust design includes advanced diagnostics to monitor load integrity, voltage levels, and circuit health, minimizing unplanned maintenance and maximizing uptime. The module’s compact form factor (263 × 58 × 28 mm) and 4.3 kg weight enable seamless integration into existing control panels, while its compliance with SIL 3/IEC 61508 standards ensures it meets the highest safety integrity requirements.
By combining TMR technology with self-diagnostic capabilities, the DO3625A mitigates single-point failures and provides continuous operation even in harsh conditions. Its role in automation systems is pivotal, serving as the interface between control logic and field devices like solenoid valves, motor starters, and alarms. This module not only enhances system reliability but also simplifies maintenance through online replaceability, making it a cornerstone for industries demanding precision and safety.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | TRICONEX |
| Product Type | Digital 24VDC Output Module (Supervised/Unsupervised DO) |
| Output Channels | 32 (Isolated, Commoned) |
| Voltage Range | 16–32VDC |
| Maximum Voltage | 36VDC |
| Current Rating | 1.7A per channel (7A surge for 10ms) |
| Weight | 4.3 kg |
| Physical Dimensions | 263 × 58 × 28 mm |
| Communication Protocol | Modbus RTU, Ethernet/IP (via compatible communication modules) |
| Operating Temperature | -40°C to +70°C |
| Safety Integrity Level | SIL 3 (IEC 61508) |
DO3625A
Related Products
- TRICONEX AI3630: Analog input module for integrating sensors into TMR systems, complementing the DO3625A in hybrid control setups.
- TRICONEX DI3615: Digital input module for high-density signal monitoring, often paired with the DO3625A in process control applications.
- TRICONEX 3625B: Upgraded version with enhanced diagnostic capabilities, serving as a direct replacement for legacy DO3625A installations.
- TRICONEX CM3201: Communication module enabling seamless integration with Modbus/TCP networks, extending the DO3625A’s connectivity.
- TRICONEX 3721: Main processor module providing control logic execution, forming the core of TMR systems alongside the DO3625A.
Main Features and Advantages
The TRICONEX DO3625A stands out for its fault-tolerant design, leveraging TMR to ensure continuous operation even if one of its three redundant channels fails. This architecture, combined with self-diagnostic features like load supervision and voltage loopback, guarantees high availability in critical processes. For example, each output channel is independently monitored for open circuits or short faults, triggering alarms and isolating affected points without disrupting the entire system.
The TRICONEX DO3625A stands out for its fault-tolerant design, leveraging TMR to ensure continuous operation even if one of its three redundant channels fails. This architecture, combined with self-diagnostic features like load supervision and voltage loopback, guarantees high availability in critical processes. For example, each output channel is independently monitored for open circuits or short faults, triggering alarms and isolating affected points without disrupting the entire system.
Its versatility is another key strength. The module supports both supervised and non-supervised outputs, allowing flexibility in system design. Supervised outputs are ideal for applications requiring long-term state stability (e.g., valve control in refineries), while non-supervised outputs suit dynamic control scenarios. Additionally, the DO3625A’s compatibility with TRICONEX’s extensive range of I/O modules and communication gateways simplifies integration into complex automation ecosystems.
The DO3625A also excels in environmental resilience, operating reliably across extreme temperatures and humidity levels. Its rugged construction and IP65-rated enclosure make it suitable for hazardous areas, aligning with ATEX and FM certifications. This durability reduces maintenance costs and extends operational life in challenging industrial settings.
DO3625A
Installation and Maintenance
Pre-installation Preparations:
Before installing the TRICONEX DO3625A, verify the system’s power supply meets the module’s requirements (24VDC ±15%). Ensure the control panel has adequate space for the module’s dimensions (263 × 58 × 28 mm) and proper grounding. Conduct a visual inspection for physical damage and confirm compatibility with the existing TRICONEX TMR backplane.
Pre-installation Preparations:
Before installing the TRICONEX DO3625A, verify the system’s power supply meets the module’s requirements (24VDC ±15%). Ensure the control panel has adequate space for the module’s dimensions (263 × 58 × 28 mm) and proper grounding. Conduct a visual inspection for physical damage and confirm compatibility with the existing TRICONEX TMR backplane.
Maintenance Suggestions:
Regular maintenance involves checking the module’s diagnostic indicators for fault codes and reviewing system logs for 异常. Clean dust from the enclosure vents quarterly to prevent overheating. For firmware updates, use TRICONEX’s approved software tools to ensure compatibility. In case of hardware failure, the module supports hot swapping, allowing replacement without powering down the entire system. Annual calibration and load testing are recommended to maintain accuracy and compliance with safety standards.
Regular maintenance involves checking the module’s diagnostic indicators for fault codes and reviewing system logs for 异常. Clean dust from the enclosure vents quarterly to prevent overheating. For firmware updates, use TRICONEX’s approved software tools to ensure compatibility. In case of hardware failure, the module supports hot swapping, allowing replacement without powering down the entire system. Annual calibration and load testing are recommended to maintain accuracy and compliance with safety standards.
Application Fields
The TRICONEX DO3625A is widely deployed in industries where safety and reliability are paramount. In oil and gas, it controls emergency shutdown valves and monitors critical equipment in offshore platforms. In chemical plants, it manages reactor interlocks and material handling systems, ensuring process stability. Power generation facilities use the module to regulate turbine control systems and grid-connected switchgear.
The TRICONEX DO3625A is widely deployed in industries where safety and reliability are paramount. In oil and gas, it controls emergency shutdown valves and monitors critical equipment in offshore platforms. In chemical plants, it manages reactor interlocks and material handling systems, ensuring process stability. Power generation facilities use the module to regulate turbine control systems and grid-connected switchgear.
Its SIL 3 certification makes it indispensable in safety instrumented systems (SIS), such as fire and gas detection systems, where failure could lead to catastrophic consequences. The module’s ability to interface with both legacy and modern communication protocols also positions it as a key component in Industry 4.0 upgrades, enabling real-time data exchange between field devices and centralized SCADA systems.
DO3625A
Product Guarantee
Our company offers a one-year quality warranty for the TRICONEX DO3625A, covering hardware malfunctions unrelated to misuse or improper installation. During the warranty period, we provide prompt replacement services for defective units. For discontinued models or urgent requirements, our global supply chain network ensures rapid procurement of scarce spare parts, minimizing downtime. We also offer 24/7 technical support to assist with installation, troubleshooting, and system optimization. With over 17 years of expertise in industrial control distribution, we guarantee genuine TRICONEX products and reliable solutions to keep your operations running smoothly.
Our company offers a one-year quality warranty for the TRICONEX DO3625A, covering hardware malfunctions unrelated to misuse or improper installation. During the warranty period, we provide prompt replacement services for defective units. For discontinued models or urgent requirements, our global supply chain network ensures rapid procurement of scarce spare parts, minimizing downtime. We also offer 24/7 technical support to assist with installation, troubleshooting, and system optimization. With over 17 years of expertise in industrial control distribution, we guarantee genuine TRICONEX products and reliable solutions to keep your operations running smoothly.
For inquiries, contact us via WhatsApp (+86 18859254943) or email (sales@ygplc.com).
