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uses backplane digital bus to connect each sensor and measurement module, lossless data transmission, realizes module identification and automatic configuration , communication scheduling, bus diagnosis,0nline plugging, fault maintenance and its redundancy mechanism;

Intrinsically safe I/O modules can be directly connected to the transmitter0n the dangerous side to isolate the sensor signal generated by the transmitter from the dangerous side and then transmit it, and provide isolated power to the transmitter0n the dangerous side. Dielectric strength (intrinsically safe end and non-intrinsically safe end): 2500Vac (1min); electromagnetic compatibility: in line with GB/T18268 industrial equipment application requirements, anti-interference level 4 a; explosion-proof certification: [Ex ia]IIC;

Communication modules include UW5831 dual-channel ModbusRTU communication module, UW5832 dual-channel CNet (UW) communication module, UW5833 Profibus DP slave station communication module and UW5836 GSM wireless transmission module, etc., to meet the access requirements of heterogeneous equipment nodes0n site; and support communication modules Dual or triple redundant configuration;

UW5861 intrinsically safe general-purpose analog input module realizes type selection of analog channel data, program-controlled amplification, data acquisition, fault diagnosis, digital filtering, temperature compensation, linear correction, engineering conversion, etc., and supports general-purpose input of industrial field analog signals (Voltage/current/thermal resistance/thermocouple, including voltage: 0-10mV, 0-20mV, 0-100mV, 0-5V; current: 0-10mA, 0-20mA, 4-20mA; thermal resistance: Pt100, Cu50 ;Thermocouple: B, E, J, K, S, T type), signal type software configuration; automatic ambient temperature compensation and zero point and gain correction, full range high precision, free of adjustment, free of maintenance; 20mA output power distribution Voltage>15V, reduce supporting cost and engineering quantity, significantly improve system anti-interference and stability;

UW5866 intrinsically safe analog output module, realizes the verification, latching and protection output of analog channel data; supports 0~20mA, 4~20mA, 0~10mA output, set by software; output0n dangerous side: open circuit output voltage 24V , 0~20mA load resistance 550Ω, 0~10mA load resistance 1100Ω; response time: 1ms; with output recovery and disconnection detection function;

UW5863 intrinsically safe dual-channel digital input module, realizes two-channel digital input, including jitter elimination of switch input, change time stamp generation, etc.; supports contact switch and NAMUR type proximity switch; dangerous side input: switch or proximity switch , distribution voltage is about 8.2V, short-circuit current is about 8mA; response time: input 20ms; with disconnection detection function;

UW5867 intrinsically safe single-channel switch input and output module realizes input/output of switch, including jitter elimination of switch input, generation of change time stamp, verification of switch output, diagnosis, power-down memory, power-on protection, etc.; Single-point switch input or intrinsically safe power drive output, which can be configured by software; Dangerous side input: switch or proximity switch, maximum power distribution voltage 24V, short-circuit current about 5mA; dangerous side output: output voltage about 24V, current 45mA when open circuit When the output voltage is >12V, the current limit is 45mA; response time: input 20ms, output <100ms; with output recovery and disconnection detection function;