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Triconex 3504E High-Density Triple Modular Redundancy Digital Input Module
Triconex 3504E High-Density Triple Modular Redundancy Digital Input Module
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Triconex 3601E Opto-Isolated Triple Modular Redundancy Digital Output Module
Triconex 3601E Opto-Isolated Triple Modular Redundancy Digital Output Module

Triconex 3511 High-Precision Triple Redundant Pulse Input Module

Technical Specifications

  • Input and Signal Parameters
    • It is equipped with 8 independent non-common-ground input channels. The typical input voltage is 24 VDC, and the typical input current per channel is 10 mA.
    • The input signal frequency range is 1 Hz to 100 kHz, and the precision reaches ±0.01% when measuring frequencies between 1000 Hz and 20000 Hz.
    • It has a 16-bit resolution and a pulse counting resolution of 1 microsecond, and the pulse width resolution ranges from 100 microseconds to 10 milliseconds, which can capture pulse signal changes accurately.
  • Power and Physical Parameters
    • It relies on 24 VDC power supply to operate stably, matching the power supply configuration of most industrial control systems.
    • There are differences in dimension and weight data from different sources. One source states its dimensions as 80mm x 110mm x 40mm and weight of approximately 200 grams, while another source records dimensions as 120mm x 80mm x 30mm and weight of about 3.3 kilograms, which may be due to whether the measurement includes accessories.
Category:
Description
    • Environmental Parameters
      • Its operating temperature range is -40°C to 70°C, and the storage temperature can range from -40°C to 85°C, adapting to extreme temperature conditions in various industrial sites.
      • It has a protection level of IP67, which can resist the erosion of dust and water in harsh industrial environments and ensure long-term stable operation.
  • Functional Features
    • Triple Modular Redundancy Ensures High Fault Tolerance
      • The triple modular redundancy architecture equips the module with three independent processors, input channels and communication channels. Each input channel processes data independently and verifies data through a voting mechanism. This design ensures the module outputs correct data even when a single or multiple components fail, avoiding safety accidents caused by signal errors.
      • The independent isolation design of the module and the metal shell structure can effectively resist electromagnetic interference in harsh industrial environments, ensuring the stability and accuracy of signal collection and transmission.
    • High-Precision Measurement and Flexible Communication
      • With high resolution and measurement precision, the module can accurately capture pulse signals from industrial equipment within a wide frequency range. It can promptly detect abnormal pulse signals such as equipment stall or overspeed, laying a solid data foundation for subsequent fault diagnosis and emergency control.
      • It supports multiple communication protocols such as Modbus RTU, TriStation and Modbus TCP/IP, and is compatible with communication interfaces including Ethernet, RS-232 and RS-485, enabling seamless connection with different industrial control systems.
    • Comprehensive Diagnostics and Easy Maintenance
      • It is equipped with complete on-board diagnostic functions that continuously monitor the working status of each channel and internal components during operation. Once a fault is detected, it immediately sends out an alarm signal to inform maintenance personnel.
      • It supports hot-swappable function, allowing maintenance personnel to replace the module safely while the system is running, which greatly shortens maintenance time and improves the availability of the entire industrial control system.
  • Application Scenarios
    • Oil and Gas Industry
      • In onshore refineries and offshore drilling platforms, it is used to monitor the rotational speed of key rotating equipment such as turbines and compressors. When the equipment has overspeed or other abnormal conditions, it transmits fault signals to the control system in a timely manner to trigger alarm or emergency shutdown measures, preventing safety accidents such as equipment damage and leakage.
      • In oil and gas transmission systems, it collects pulse signals from pipeline pumps and flowmeters, accurately measures the operating speed of pumps and the transmission flow of oil and gas, and provides data support for the stable operation of the transmission system.
    • Power and Chemical Industry
      • In thermal power and nuclear power plants, it is integrated into the monitoring system of generators, steam turbines and other equipment. It monitors the rotational speed parameters of these large-scale rotating equipment in real time to ensure the control system can adjust operation strategies or shut down equipment in time when abnormalities occur.
      • In chemical plants, it is applied to the safety monitoring system of reactors and agitators. It measures the rotational speed of agitators to ensure the stability of chemical reaction processes. It also cooperates with the interlock system to trigger emergency shutdowns when abnormal speeds lead to process parameter deviations.
    • General Manufacturing and Water Treatment Industry
      • In metallurgical and papermaking factories, it is used for flow measurement, bus measurement and position measurement in production lines. It collects pulse signals from relevant measuring equipment to ensure the accuracy of production process parameters and improve product quality.
      • In water treatment plants, it monitors the operating rotational speed of water supply and drainage pumps. It promptly feeds back the operating status of the pumps through real-time signal collection, which helps staff carry out maintenance and adjustment in time and ensures the stable operation of the water treatment process.
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