Triconex 3625 32-Point Triple Modular Redundancy Supervised

Technical Specifications

Electrical Parameters
- It provides 32 commoned output channels with a nominal voltage of 24 VDC and a voltage adaptation range of 16 – 32 VDC, and can withstand a maximum voltage of 36 VDC.
- Each output point has a maximum current of 1.7 A, a surge current of 7 A within 10 milliseconds, a minimum required load current of 10 mA, and a maximum load leakage current of 4 mA.
- The typical voltage drop is less than 2.8 VDC at 1.7 A, the power module load is less than 13 watts, and the point isolation voltage reaches 1500 VDC to avoid electrical interference between circuits.
Physical Parameters
- The module weighs 0.8 kg and has dimensions of 16cm × 16cm × 12cm, featuring a compact and lightweight design that facilitates installation in various industrial control cabinets.
- It adopts an IP20-rated enclosure and is equipped with dedicated LED indicators for each output point to show on/off states, as well as module status indicators for pass, fault, load, and active conditions.

Category: Triconex

Description

- Environmental Parameters
  - It operates stably within a temperature range of -20°C to 60°C and can work normally in an environment with a relative humidity of 5% – 95%, adapting to the common humidity and temperature changes in industrial workshops.
Functional Features
- Triple Modular Redundancy Ensures Ultra-High Availability
  - The triple modular redundancy architecture enables parallel processing of signals through three independent channels. A voting mechanism is used to determine the final output signal, which increases system availability by 20%. This design completely avoids system malfunctions caused by single-channel failures and guarantees continuous operation of critical industrial processes.
- Comprehensive Fault Detection with Supervised Output
  - The supervised output function extends fault coverage to the field circuit. It can accurately detect multiple faults such as power loss, open or missing load, erroneous energization of loads due to field shorts, and shorted loads in the de-energized state. Corresponding alarm indicators will be activated when different faults occur, enabling timely fault identification.
- Self-Protection and Easy Maintenance
  - It has a self-protecting design that eliminates the need for external fuses on the field termination, reducing maintenance costs and the risk of faults caused by fuse damage.
  - The support for hot-swappable operation allows maintenance personnel to replace the module during system operation without interrupting the ongoing industrial processes, significantly shortening maintenance downtime.
Application Scenarios
- Oil and Gas Industry
  - In offshore drilling platforms and onshore refineries, it is integrated into emergency shutdown systems and high-integrity pressure protection systems. It controls the opening and closing of emergency cut-off valves and the start-stop of oil transfer pumps. When abnormal pressure or gas leakage is detected, it can quickly send out control signals to cut off dangerous sources and prevent explosions and other major accidents.
  - In long-distance oil and gas pipelines, it is used to control the valves of pipeline segments. It adjusts the valve status according to pressure and flow signals, ensuring the safety and stability of oil and gas transportation.
- Chemical and Nuclear Power Industry
  - In chemical plants, it is applied to reactor interlock systems and material feeding control systems. It drives the feeding valves and agitator components of reactors. When the reaction temperature or pressure exceeds the set threshold, it immediately cuts off the material supply and stops the agitator to avoid runaway chemical reactions.
  - In nuclear facilities, it is part of safety-related control systems. It is responsible for controlling the switches of auxiliary safety equipment and the transmission of warning signals, ensuring that the nuclear facility can quickly enter a safe state when abnormal parameters are detected.
- Power and Metallurgical Industry
  - In thermal power plants, it is used in boiler protection and turbine control systems. It controls the opening and closing of safety valves and fuel control valves. When the boiler pressure is too high or the turbine operates abnormally, it can quickly trigger pressure relief or fuel cut-off actions to protect core power generation equipment.
  - In metallurgical factories, it is integrated into blast furnace safety interlock and steel rolling process protection systems. It controls the operation of material conveying equipment and smelting auxiliary equipment, ensuring that each link of the smelting process operates within a safe range and avoiding equipment damage caused by process deviations.

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