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Functionally Safe Intrinsically Safe I/O Unit

Functionally Safe Intrinsically Safe I/O Unit

Model:UW5800S

UW5800S Functionally Safe Intrinsically Safe I/O Unit includes CNetUW redundant safety communication module, functional safety intrinsically safe I/O module, integrated terminal block, and meets explosion-proof design requirements and safety-related application requirements of low and high demand modes defined by IEC61508; UW5800S functional safety intrinsically safe I /O module, which combines the functional safety I/O module and the isolation safety barrier function, complies with the SC3 system capability level and SIL3 hardware safety integrity level defined by IEC61508, and has passed the SIL3 level safety evaluation certification; receiving from hazardous locations (Zone 0) , Zone 1 and Zone 2) signals of pressure, liquid level, thermocouples, thermal resistors, actuators and other on-site intrinsically safe instruments.
Compared with the traditional connection method of safety barrier and SIS, the intrinsically safe I/O module saves a lot of safety barrier, safety barrier cabinet, transfer cable and installation costs; compared with the centralized wiring method, distributed bus I/O , connect field instruments locally, greatly saving cables and construction costs; UW5800S implements communication modules and 16 Mixed configuration of AI/AO modules.

Functionally Safe Intrinsically Safe I/O Unit Features:

Configure CNetUW redundant secure communication module to realize the scheduling function of each I/O module in the unit;

Functionally Safe Intrinsically Safe I/O Unit, with point-to-point isolation, point-to-point isolation, point-to-point power distribution, and online point-to-point replacement, can meet the requirements of high-reliability and high-security fields such as nuclear power and emergency shutdown;

Achieve all signal types, software configuration types, full range high accuracy, self-correction, adjustment-free and maintenance-free;

The backplane digital bus is used to connect each sensing and measurement module for lossless data transmission, realizing module identification, automatic configuration, communication scheduling, data forwarding, bus diagnosis, online plugging and unplugging, fault maintenance and its redundancy mechanism;

Status indicators, including operation, fault, network, etc., each operating status is clear at a glance, and the fault point can be quickly determined; input voting algorithm, output voting algorithm, input/output self-test and fault reporting mechanism can be built-in;

The functional safety intrinsically safe I/O module can be directly connected to the dangerous side transmitter, isolate the current signal generated by the transmitter from the dangerous side and transmit it, and provide isolated power to the dangerous side transmitter.


Functionally Safe Intrinsically Safe I/O Unit Technical parameters

parameter name Technical indicators
Communication configuration CNet, dual redundancy, communication rate 1Mbps, CNetSafety protocol
Channel configuration AI/AO, total: 16 channels
Analog input Current: 4~20mA, thermal resistance: Pt100, thermocouple: K
Analog output Current: 4~20mA
Security system capabilities SC3
security integrity SIL3
Dielectric strength 2500Vac (1min)
EMC electromagnetic compatibility EN61326-3-1 (ESD/RS/EFT/SURGE/CS/DIP/CE/RE), Level 3a
Installation Environment On-site installation should comply with the GB3836.15-2000 standard and be installed in a non-hazardous place, and there should be no strong vibration, impact, gas or dust that is corrosive to product components in the surrounding environment.
Note: For products that have passed the explosion-proof inspection, components and structures that affect the explosion-proof performance cannot be changed at will.
working environment Ambient temperature: -20℃~70℃
Relative humidity: 10%~90%RH (no condensation)
Atmospheric pressure: 80~110KPa
Explosion-proof signs [Ex ia Ga] IIC
Matching terminal block UW5876S Intrinsically safe safety module integrated terminal block





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