User Guide

14
Installation Note:
 In order to provide the best data transmission, please ensure the device is within the signal
range of the LoRaWAN
®
gateway and keep it away from metal objects and obstacles.
 Avoid strong light, like direct sunlight or IR LED, in the detection area.
 Do not install the device close to glass or mirror.

After installation and adjustment, please remove the protective film.
 Do no touch the lens of sensor directly to avoid leaving the fingerprint on it.
 The detecting performance will be affected if there’s dust on the lens. Please use the mirror
cleaning cloth to clean the lens if needed.
 The device must be placed in a horizontal position on the top of the object so that it has a
clear path to the object.

When using waste bin mode, place the device in the center of waste bin and here are some
recommended sizes of waste bins: when the height is 40cm, the minimum radius should be
10cm; when the height is 80cm, the minimum radius should be 19cm.
5. Device Payload
All data are based on following format (HEX), the Data field should follow little-endian:
Channel1
Type1
Data1
Channel2
Type2
Data2
Channel 3
...
1 Byte
1 Byte
N Bytes
1 Byte
1 Byte
M Bytes
1 Byte
...
For decoder examples please find files on https://github.com/Milesight-IoT/SensorDecoders.
5.1 Basic Information
EM400-TLD reports basic information of sensor whenever it joins the network.
Channel
Type
Description
ff
01(Protocol Version)
01=>V1
09 (Hardware Version)
01 40 => V1.4
0a (Software Version)
01 14 => V1.14