Triconex 3664 Dual Digital Output Module

Technical Specifications

  • Electrical Parameters
    • It is equipped with 32 commoned digital output channels, the nominal output voltage is 24 VDC, and the adaptive voltage range is 16 – 30 VDC.
    • Each output point has a current rating of 2 A, and can withstand a 10 A surge current for 10 milliseconds. The typical voltage drop of the module is less than 1.5 VDC, and the maximum load leakage current is 2 mA.
    • The minimum isolation voltage between points reaches 1500 VDC, which effectively isolates electrical interference between different channels, and the overall power consumption of the module is less than 10 watts.
  • Physical and Environmental Parameters
    • The module weighs 4 kg and has dimensions of 120 mm x 80 mm x 30 mm. It adopts a modular structure design to facilitate installation in standard control cabinets.
    • The operating temperature range is -40°C to 70°C, and it can work normally in an environment with 0 – 95% non-condensing humidity. The enclosure has an IP66 protection rating, which can effectively prevent dust and water from entering and adapt to harsh on-site industrial conditions.
Category:
Description
    • Other Core Parameters
      • The communication process supports Modbus TCP/IP and TRIPLEX protocols, enabling smooth data interaction with upper controllers and other devices.
      • The module has a response time of less than 2 milliseconds under SIL 3 level requirements, which can quickly respond to control instructions in emergency situations.
  • Functional Features
    • Redundant Voting Design Ensures Fault Tolerance
      • The module adopts a dual redundant architecture and is equipped with a 2-out-of-3 voting mechanism for each switch. Three internal channels monitor each other. When a single channel fails, the system can still output correct signals based on the voting logic, avoiding system downtime or misoperation caused by single-point faults.
      • It has an extremely high mean time between failures exceeding 100 years, which can maintain long-term stable operation in high-intensity industrial operation scenarios.
    • Comprehensive Diagnostic Functions and Intuitive Alarms
      • It is equipped with voltage loopback diagnostics, which can effectively detect potential latent faults of the module. It also realizes stuck-on/off fault detection and can send chassis alarm signals immediately when a fault occurs.
      • It is equipped with per-point on/off state indicators and module status indicators that show pass, fault and active states. Load and fuse alarm indicators can promptly remind operators of field voltage mismatch problems, facilitating quick fault location.
    • Convenient Installation and Maintenance
      • It has hot-spare capability, supporting online replacement of modules. Operators can replace faulty modules without shutting down the entire control system, which minimizes production interruption time.
      • It is designed with mechanical keying to prevent improper installation during the module assembly process. Meanwhile, the dark blue color coding of the module allows for quick identification among numerous equipment components, improving installation and maintenance efficiency.
    • Self-Protection and Strong Adaptability
      • The module adopts a self-protecting design without the need for additional fuses, simplifying the system structure while avoiding safety hazards caused by fuse failures.
      • It can be flexibly adapted to de-energize-to-trip control programs and matches different safety control logic requirements, which enhances its applicability in various industrial scenarios.
  • Application Scenarios
    • Oil and Gas Industry
      • In offshore drilling platforms and onshore gas storage facilities, the module 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 gas transmission pumps. When gas leakage or abnormal pressure is detected, it can quickly output control signals to cut off the dangerous source and prevent explosion accidents.
      • In long-distance oil and gas pipelines, it is used to control the switching of section isolation valves. It adjusts the valve state in real time according to the pipeline pressure and flow monitoring data to ensure the stability of oil and gas transportation and avoid pipeline rupture caused by excessive local pressure.
    • Chemical and Power Industry
      • In chemical plants producing fertilizers and petrochemical products, the module is applied to reactor safety interlock systems and material feeding control systems. It drives the feeding valves and discharge pumps of reactors. When the reaction temperature or pressure exceeds the safety threshold, it immediately cuts off the material supply to avoid violent chemical reactions.
      • In thermal power plants and substations, it is integrated into boiler protection and power transmission and transformation control systems. It controls the opening and closing of boiler safety valves and the switching of power transmission relays. When abnormal parameters such as excessive boiler pressure occur, it can trigger protective actions in time to protect core power generation and transmission equipment.
    • Pharmaceutical and Nuclear Power Industry
      • In pharmaceutical production workshops with strict process control requirements, the module is used in the safety control systems of injection and bulk drug production lines. It controls the switching of raw material transmission pipelines and the operation of mixing equipment. When process parameters deviate, it quickly cuts off the production link to ensure the safety and qualification of pharmaceutical products.
      • In nuclear power facilities, it is part of the auxiliary safety control system. It is responsible for controlling the operation of cooling system equipment and the transmission of safety alarm signals. When abnormal parameters appear in the nuclear power unit, it can quickly start the corresponding safety measures to ensure the stable operation of the unit in a safe state.
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