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TRICONEX 3351｜Analog Input Module｜
Function
Isolation voltage resistant channel: 1500V AC; Channel ground: 500V DC
Redundant architecture TMR triple redundancy (2oo3 voting, median selection algorithm)
Diagnostic channel disconnection/short circuit/over limit, module self-test, status reporting
Hot swappable supports online replacement (Hot Swap)
Safety certification IEC 61508 SIL 3, UL, CE, ATEX
Power supply 24V DC (backplane power supply), typical power consumption<15W
TMR Security Collection
Three independent acquisition circuits for parallel processing, 2oo3 voting output, single channel/single module failure does not affect safe operation, meets SIL 3 requirements, and is suitable for critical scenarios such as ESD, BMS, F&G.
Multi signal compatibility
No signal conditioning required, directly connected to 4-20mA transmitters, thermocouples, PT100, etc., supporting Sinking/Tracing wiring, suitable for various field instruments.
High precision and anti-interference
16 bit resolution+± 0.1% accuracy, channel electrical isolation, suppression of surge and common mode interference, ensuring reliable data in harsh industrial environments.
Comprehensive diagnosis and SOE
Real time monitoring of channel status, automatic reporting of faults to the main controller, support SOE recording and time synchronization, facilitating quick positioning and traceability.
Hot swapping and online maintenance
During operation, it can be directly plugged and replaced, and the system automatically synchronizes without stopping, improving system availability.
Application
Safety Instrumented System (SIS): Petrochemical ESD, BMS, F&G, collects pressure, temperature, flow, and liquid level transmitter signals to achieve safety interlocking and over limit protection.
Key unit control: vibration, displacement, and speed monitoring of gas turbine/steam turbine and compressor to ensure safe operation of equipment.
Process control: refining LNG、 Monitoring of reactor, distillation tower, and storage tank parameters in the chemical industry, supporting SIL 3 safety control.
TRICONEX 3351｜Analog Input Module｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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