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The Cellular IoT Gateway S475/S475E is an industrial class, high reliability, high stability, and programmable Remote
Terminal Unit (RTU). It embedded 32-Bit High Performance Microprocessor MCU, inbuilt industrial Cellular
module. It provides 8 digital inputs, 6 analog (ultra high 24 bit resolution) or PT100 Resistance Temperature Detector (RTD) inputs, 4 relay outputs, 1 ambient sensor input for monitoring onsitetemperature and humidity,
1 Ethernet RJ45 port for connect internet WAN or LAN, and 2 RS485 serial port, supports 320 IO tags via Modbus RTU protocol. It can monitoring and operates the I/O ports by SMS, APP, Web Server, internet, timers and programmed inter-lock events automatically.
The Cellular IoT Modbus Gateway S475/S475E inbuilt TCP/IP protocol stack make it suitable for internet of things (IoT)
applications, it can be operated easily by the provided cloud, app, and web server, or integrated to your IoT
applications via Ethernet or the TCP/UDP protocol, or integrated to SCADA systems by standard Modbus TCP protocol, too. This is very useful if you need remote control onsite devices with low cost solution.
Model GSM/3G/4G Ethernet DIN AIN/
PT100 Relay T&H SD Card Mapping Registers
Boolean 16-Bit 32-Bit 64-Bit RS485 Port
S475 √ √ 8 6 4 1 8G 64 128 64 64 2
S475E × √ 8 6 4 1 8G 64 128 64 64 2
Notice 1.Default version is GSM/GPRS module inside.
2.Pls check the slave devices’ register quantity and data type, then choose the right model of S475/S475E according to the mapping registers in the model list.
3.For 3G WCDMA, 4G LTE version, please tell our sales where would you like to use them.
4.The S475E series has no communication module, so it can't call and SMS to alarm.
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