Description
TRICONEX DO 3626X is a high-performance digital output module designed to deliver reliable and precise control in critical industrial automation systems. As a key component of TRICONEX’s robust product lineup, the
DO 3626X is engineered to meet the demanding requirements of safety-critical applications across various industries. This module enables seamless integration into TRICONEX’s triple modular redundant (TMR) systems, ensuring maximum availability and fault tolerance. The
DO 3626X is ideal for applications that require deterministic output control, high noise immunity, and compliance with international safety standards.
Parameter |
Description |
Module Type |
Digital Output Module (Sinking/Source Outputs) |
Number of Channels |
16 channels |
Voltage Range |
24 VDC ±10% |
Current Capacity per Channel |
2 A (continuous), 3 A (peak, 10 ms) |
Interface |
Serial communication with Tricon controller via internal backplane |
Redundancy Support |
Fully compatible with TMR architecture |
Safety Integrity Level |
SIL 3 (IEC 61508/61511 compliant) |
Operating Temperature |
-40°C to +70°C |
Dimensions |
178 mm (H) x 48 mm (W) x 231 mm (D) |

TRICONEX DO 3626X
The DO 3626X stands out for its high-reliability design, featuring triple modular redundancy to ensure continuous operation even in the presence of component faults. Each channel includes diagnostic capabilities that monitor for open circuits, short circuits, and voltage anomalies, reducing downtime and maintenance costs. The module’s fast response time (typically <10 ms) enables real-time control in dynamic processes, while its wide operating temperature range makes it suitable for harsh industrial environments.
A key feature is its compliance with safety standards, including IEC 61508 and ISA 84.00.07, making it suitable for use in safety instrumented systems (SIS). Additionally, the hot-swappable design allows for module replacement without powering down the system, minimizing disruption to critical operations.
The TRICONEX DO 3626X is widely used in industries such as oil and gas, chemical processing, power generation, and pharmaceuticals, where safety and reliability are non-negotiable. It is commonly employed to control actuators, valves, motors, and other final control elements in safety-critical loops.
Case Study: In a large petrochemical plant, the DO 3626X was deployed in a TMR-based SIS to manage emergency shutdown valves. The module’s diagnostic capabilities helped identify a 潜在 (potential) wiring fault in real time, preventing a false trip and ensuring uninterrupted production while maintaining safety compliance.
Compared to similar digital output modules in the market, the DO 3626X distinguishes itself through its advanced redundancy features and comprehensive diagnostics. Its ability to support SIL 3 applications with built-in self-testing and fault detection mechanisms provides a higher level of safety assurance. The module’s compatibility with TRICONEX’s ecosystem of controllers and I/O modules also offers seamless integration, reducing engineering complexity compared to multi-vendor solutions.

TRICONEX DO 3626X
When selecting the DO 3626X, consider the following:
- Compatibility: Ensure it aligns with your existing TRICONEX controller and system architecture.
- Environmental Requirements: Verify the operating temperature, humidity, and vibration specifications match your site conditions.
- Channel Density: Evaluate if the 16-channel configuration meets your application’s I/O needs, balancing cost and scalability.
- Safety Requirements: Confirm compliance with your industry’s safety standards for SIS applications.
- Installation: Follow TRICONEX’s guidelines for proper grounding and wiring to avoid electromagnetic interference (EMI).
- Maintenance: Regularly review diagnostic reports to identify and address potential issues proactively.
- Software Configuration: Ensure the module’s firmware is updated to the latest version and correctly configured in the control system software.
- Safety Procedures: Always adhere to lockout/tagout (LOTO) procedures when performing hot-swapping or maintenance on live systems.
Shanxi Xinyeda International Trading Co., Ltd. is your trusted partner, we provide and other automation spare parts sales and technical support. Please visit our website www.xydcontrol.com or contact us and we will be happy to serve you.
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