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MD-S903 Intelligent Protocol Converter
Multiple wide area network communication methods, support for 4-channel relay output development, suction cup antenna intelligent protocol converter
Product details
The MD-S903 intelligent protocol converter is a multifunctional data acquisition cabinet independently developed and designed by Shanghai Mingkong Sensing Technology Co., Ltd. Built in 8-channel DI switch input module, which can achieve real-time monitoring of the operation, faults, and manual/automatic status of the fire water system control cabinet and the wind system control cabinet. The 8-channel AI analog can achieve real-time monitoring of pressure, liquid level, and valve opening. The unique dual network card automatic switching technology ensures strong communication reliability. Ethernet is prioritized for wired Ethernet access to ensure reliable communication.
Support multiple wide area network communication methods such as 4G/NB IoT
Support LoRaWAN and LoRa customization
Built in industrial grade real-time operating system, multitasking design
8-channel analog input, 8-channel switch input, supporting 4-channel relay output development
2-channel 485 communication interface, 1-channel RS232 communication interface (needs to be customized and developed separately)
Wireless and Ethernet dual network card design, unique dual network card automatic switching technology
Industrial grade design, high reliability, operating temperature range of -20 ° C~+65 ° C
Wireless parameters 4Ga phone fit all kinds of networks(BAND1/3/8/34/38/39/40/41)NB-iota phone fit all kinds of networks(BAND5/8)*
LoRaWAN1.0.2(CN470) *
LoRa（470~510MHZ）** Need to customize and develop separately
Ethernet interface 10/100M adaptive
Bus interface RS485 * 2, RS232 * 1 (protocol needs to be customized and developed separately)
Parameter configuration: Local USB interface, remote configuration, Bluetooth configuration
Signal input: 8 analog inputs, 8 digital inputs
Output 4 relay outputs
Power supply 12-28VDC
Working temperature -20~+65 ℃
Working humidity<95% (no condensation)
Antenna suction cup antenna
Installation method: Wall mounted
Size 162.1 × 69 × 59.2mm
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