Page 3 of 74 Shezhen Beilai Technology Co., Ltd V1.1
Cellular IoT M2M RTU --- S272/S274/S275
Content
1 Introduction ................................................................................................................................................6
1.1 Overview .............................................................................................................................................6
1.2 Typically Applications ........................................................................................................................6
1.3 Safety Directions............................................................................................................................... 7
1.4 Packing List........................................................................................................................................ 8
1.5 Features ..............................................................................................................................................8
1.6 Technical Specifications................................................................................................................. 10
1.7 Model Selection............................................................................................................................... 12
2 Hardware Specifications........................................................................................................................13
2.1 Size ....................................................................................................................................................13
2.2 Interface ............................................................................................................................................ 14
2.2.1 Digital Input ............................................................................................................................... 14
2.2.2 LED Indicators..........................................................................................................................15
2.2.3 Digital Output............................................................................................................................16
2.2.4 Analog Input ..............................................................................................................................16
2.2.5 RS485 and Temperature&Humidity...................................................................................... 17
2.2.6 Power&Switch&Mode Settings.............................................................................................. 17
2.2.7 SIM Card Slot........................................................................................................................... 18
3 Installation ................................................................................................................................................18
3.1 Wall mounted................................................................................................................................... 18
3.2 DIN Rail mounting........................................................................................................................... 19
4 Configuration ........................................................................................................................................... 19
4.1 Preparation before configuration.................................................................................................. 19
4.1.1 Install USB Driver .....................................................................................................................20
4.1.2 Check COM Port ...................................................................................................................... 21
4.1.3 Login Configuration Software.................................................................................................21
4.2 Basic Settings .................................................................................................................................. 22
4.3 Alarm Numbers Settings................................................................................................................ 24
4.4 Digital Output Settings ....................................................................................................................25
4.5 Access Control Settings................................................................................................................. 26
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