Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

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1		-LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual
	1	+DS20L -- LoRaWAN Smart Distance Detector User Manual

Content

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1	1	(% style="text-align:center" %)
2		-[[image:image-20230614153353-1.png]]
	2	+[[image:image-20231110085342-2.png||height="481" width="481"]]
3	3
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7	7
8	8
9	9
	10	+
10	10	**Table of Contents：**
11	11
12	12	{{toc/}}
...	...	@@ -18,435 +18,419 @@
18	18
19	19	= 1. Introduction =
20	20
21		-== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
	22	+== 1.1 What is LoRaWAN Smart Distance Detector ==
22	22
23	23
24		-The Dragino LDS12-LB is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
	25	+The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN. DS20L can measure range between 3cm ~~ 200cm.
25	25
26		-The LDS12-LB can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
	27	+DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current
	28	+consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
27	27
28		-It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
	30	+DS20L has a (% style="color:blue" %)**built-in 2400mAh non-chargeable battery**(%%) for long-term use up to several years*. Users can also power DS20L with an external power source for (% style="color:blue" %)**continuous measuring and distance alarm / counting purposes.**
29	29
30		-The LoRa wireless technology used in LDS12-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
	32	+DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
31	31
32		-LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
33	33
34		-LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	35	+[[image:image-20231110102635-5.png||height="402" width="807"]]
35	35
36		-Each LDS12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37	37
38		-[[image:image-20230614162334-2.png||height="468" width="800"]]
39		-
40		-
41	41	== 1.2 ​Features ==
42	42
43	43
44		-* LoRaWAN 1.0.3 Class A
45		-* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
46		-* Ultra-low power consumption
47		-* Laser technology for distance detection
48		-* Measure Distance: 0.1m~~12m @ 90% Reflectivity
49		-* Accuracy :  ±5cm@(0.1-6m), ±1%@(6m-12m)
50		-* Monitor Battery Level
51		-* Support Bluetooth v5.1 and LoRaWAN remote configure
52		-* Support wireless OTA update firmware
	41	+* LoRaWAN Class A protocol
	42	+* LiDAR distance detector, range 3 ~~ 200cm
	43	+* Periodically detect or continuously detect mode
53	53	* AT Commands to change parameters
54		-* Downlink to change configure
55		-* 8500mAh Battery for long term use
	45	+* Remotely configure parameters via LoRaWAN Downlink
	46	+* Alarm & Counting mode
	47	+* Firmware upgradable via program port or LoRa protocol
	48	+* Built-in 2400mAh battery or power by external power source
56	56
57	57	== 1.3 Specification ==
58	58
59	59
60		-(% style="color:#037691" %)**Common DC Characteristics:**
	53	+(% style="color:#037691" %)**LiDAR Sensor:**
61	61
62		-* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
63		-* Operating Temperature: -40 ~~ 85°C
	55	+* Operation Temperature: -40 ~~ 80 °C
	56	+* Operation Humidity: 0~~99.9%RH (no Dew)
	57	+* Storage Temperature: -10 ~~ 45°C
	58	+* Measure Range: 3cm~~200cm @ 90% reflectivity
	59	+* Accuracy: ±2cm @ (3cm~~100cm); ±5% @ (100~~200cm)
	60	+* ToF FoV: ±9°, Total 18°
	61	+* Light source: VCSEL
64	64
65		-(% style="color:#037691" %)**LoRa Spec:**
	63	+== 1.4 Power Consumption ==
66	66
67		-* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
68		-* Max +22 dBm constant RF output vs.
69		-* RX sensitivity: down to -139 dBm.
70		-* Excellent blocking immunity
71	71
72		-(% style="color:#037691" %)**Battery:**
	66	+(% style="color:#037691" %)**Battery Power Mode:**
73	73
74		-* Li/SOCI2 un-chargeable battery
75		-* Capacity: 8500mAh
76		-* Self-Discharge: <1% / Year @ 25°C
77		-* Max continuously current: 130mA
78		-* Max boost current: 2A, 1 second
	68	+* Idle: 0.003 mA @ 3.3v
	69	+* Max : 360 mA
79	79
80		-(% style="color:#037691" %)**Power Consumption**
	71	+(% style="color:#037691" %)**Continuously mode**:
81	81
82		-* Sleep Mode: 5uA @ 3.3v
83		-* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
	73	+* Idle: 21 mA @ 3.3v
	74	+* Max : 360 mA
84	84
85		-== 1.4 Suitable Container & Liquid ==
	76	+= 2. Configure DS20L to connect to LoRaWAN network =
86	86
	78	+== 2.1 How it works ==
87	87
88		-* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
89		-* Container shape is regular, and surface is smooth.
90		-* Container Thickness:
91		-** Pure metal material.  2~~8mm, best is 3~~5mm
92		-** Pure non metal material: <10 mm
93		-* Pure liquid without irregular deposition.
94	94
95		-(% style="display:none" %)
	81	+The DS20L is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DS20L. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
96	96
97		-== 1.5 Install LDS12-LB ==
	83	+(% style="display:none" %) (%%)
98	98
	85	+== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
99	99
100		-(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
101	101
102		-LDS12-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
	88	+Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
103	103
104		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-3.png?rev=1.1||alt="image-20220615091045-3.png"]]
	90	+The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.(% style="display:none" %)
105	105
	92	+[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
106	106
107		-(((
108		-(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
109		-)))
	94	+(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
110	110
111		-(((
112		-For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
113		-)))
	96	+Each DS20L is shipped with a sticker with the default device EUI as below:
114	114
115		-[[image:image-20230613143052-5.png]]
	98	+[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
116	116
117	117
118		-No polish needed if the container is shine metal surface without paint or non-metal container.
	101	+You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
119	119
120		-[[image:image-20230613143125-6.png]]
121	121
	104	+(% style="color:blue" %)**Register the device**
122	122
123		-(((
124		-(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
125		-)))
	106	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
126	126
127		-(((
128		-Power on LDS12-LB, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
129		-)))
130	130
131		-(((
132		-It is necessary to put the coupling paste between the sensor and the container, otherwise LDS12-LB won't detect the liquid level.
133		-)))
	109	+(% style="color:blue" %)**Add APP EUI and DEV EUI**
134	134
135		-(((
136		-After paste the LDS12-LB well, power on LDS12-LB. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
137		-)))
	111	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
138	138
139	139
140		-(((
141		-(% style="color:blue" %)**LED Status:**
142		-)))
	114	+(% style="color:blue" %)**Add APP EUI in the application**
143	143
144		-* (((
145		-**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
146		-)))
147	147
148		-* (((
149		-(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** always ON**(%%): Sensor is power on but doesn't detect liquid. There is problem in installation point.
150		-)))
151		-* (((
152		-(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
153		-)))
	117	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
154	154
155		-(((
156		-LDS12-LB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
157		-)))
158	158
	120	+(% style="color:blue" %)**Add APP KEY**
159	159
160		-(((
161		-(% style="color:red" %)**Note :**(%%)** (% style="color:blue" %)Ultrasonic coupling paste(%%)**(% style="color:blue" %) (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
162		-)))
	122	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
163	163
164	164
165		-(((
166		-(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
167		-)))
	125	+(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
168	168
169		-(((
170		-Prepare Eproxy AB glue.
171		-)))
	127	+[[image:image-20231128133704-1.png||height="189" width="441"]]
172	172
173		-(((
174		-Put Eproxy AB glue in the sensor and press it hard on the container installation point.
175		-)))
	129	+Press the button for 5 seconds to activate the DS20L.
176	176
177		-(((
178		-Reset LDS12-LB and see if the BLUE LED is slowly blinking.
179		-)))
	131	+(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
180	180
181		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-8.png?width=341&height=203&rev=1.1||alt="image-20220615091045-8.png"]] [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-9.png?width=284&height=200&rev=1.1||alt="image-20220615091045-9.png"]]
	133	+After join success, it will start to upload messages to TTN and you can see the messages in the panel.
182	182
183	183
184		-(((
185		-(% style="color:red" %)**Note :**
	136	+== 2.3 ​Uplink Payload ==
186	186
187		-(% style="color:red" %)**1:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
188		-)))
	138	+=== 2.3.1 Device Status, FPORT~=5 ===
189	189
190		-(((
191		-(% style="color:red" %)**2:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
192		-)))
193	193
	141	+Users can use the downlink command(**0x26 01**) to ask DS20L to send device configure detail, include device configure status. DS20L will uplink a payload via FPort=5 to server.
194	194
195		-== 1.6 Applications ==
	143	+The Payload format is as below.
196	196
	145	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	146	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	147	+**Size(bytes)**
	148	+)))|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**1**|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**2**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 50px;" %)**2**
	149	+|(% style="width:62.5px" %)Value|(% style="width:110px" %)Sensor Model|(% style="width:48px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:91px" %)Sub-band|(% style="width:60px" %)BAT
197	197
198		-* Smart liquid control solution
	151	+Example parse in TTNv3
199	199
200		-* Smart liquefied gas solution
	153	+[[image:1701149922873-259.png]]
201	201
202		-== 1.7 Precautions ==
	155	+(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
203	203
	157	+(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
204	204
205		-* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
	159	+(% style="color:blue" %)**Frequency Band**:
206	206
207		-* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
	161	+0x01: EU868
208	208
209		-* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
	163	+0x02: US915
210	210
211		-(% style="display:none" %)
	165	+0x03: IN865
212	212
213		-== 1.8 Sleep mode and working mode ==
	167	+0x04: AU915
214	214
	169	+0x05: KZ865
215	215
216		-(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
	171	+0x06: RU864
217	217
218		-(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
	173	+0x07: AS923
219	219
	175	+0x08: AS923-1
220	220
221		-== 1.9 Button & LEDs ==
	177	+0x09: AS923-2
222	222
	179	+0x0a: AS923-3
223	223
224		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
	181	+0x0b: CN470
225	225
	183	+0x0c: EU433
226	226
227		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
228		-|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
229		-|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
230		-If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
231		-Meanwhile, BLE module will be active and user can connect via BLE to configure device.
232		-)))
233		-|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
234		-(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
235		-(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
236		-Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
237		-)))
238		-|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
	185	+0x0d: KR920
239	239
240		-== 1.10 BLE connection ==
	187	+0x0e: MA869
241	241
	189	+(% style="color:blue" %)**Sub-Band**:
242	242
243		-LDS12-LB support BLE remote configure.
	191	+AU915 and US915:value 0x00 ~~ 0x08
244	244
245		-BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
	193	+CN470: value 0x0B ~~ 0x0C
246	246
247		-* Press button to send an uplink
248		-* Press button to active device.
249		-* Device Power on or reset.
	195	+Other Bands: Always 0x00
250	250
251		-If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
	197	+(% style="color:blue" %)**Battery Info**:
252	252
	199	+Check the battery voltage.
253	253
254		-== 1.11 Pin Definitions ==
	201	+Ex1: 0x0B45 = 2885mV
255	255
256		-[[image:image-20230523174230-1.png]]
	203	+Ex2: 0x0B49 = 2889mV
257	257
258	258
259		-== 1.12 Mechanical ==
	206	+=== 2.3.2 Uplink Payload, FPORT~=2 ===
260	260
261	261
262		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
	209	+(((
	210	+DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
263	263
	212	+periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
264	264
265		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
	214	+Uplink Payload totals 11 bytes.
	215	+)))
266	266
	217	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	218	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	219	+**Size(bytes)**
	220	+)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 80px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**
	221	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
	222	+[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
	223	+)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
	224	+[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
	225	+)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
	226	+[[Message Type>>||anchor="HMessageType"]]
	227	+)))
267	267
268		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
	229	+==== **MOD~=1** ====
269	269
	231	+Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
270	270
271		-(% style="color:blue" %)**Probe Mechanical:**
	233	+Uplink Payload totals 10 bytes.
272	272
273		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]]
	235	+(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
	236	+|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
	237	+|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
274	274
275	275
276		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
	240	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
277	277
	242	+==== **Battery Info** ====
278	278
279		-= 2. Configure LDS12-LB to connect to LoRaWAN network =
	244	+Check the battery voltage for DS20L
280	280
281		-== 2.1 How it works ==
	246	+Ex1: 0x0E10 = 3600mV
282	282
	248	+**MOD & Alarm & Interrupt**
283	283
284		-The LDS12-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the LDS12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
	250	+**MOD:**
285	285
286		-(% style="display:none" %) (%%)
	252	+**Example: ** (0x60>>6) & 0x3f =1
287	287
288		-== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
	254	+**0x01:**  Regularly detect distance and report.
	255	+**0x02: ** Uninterrupted measurement (external power supply).
289	289
	257	+**Alarm:**
290	290
291		-Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
	259	+When the detection distance exceeds the limit, the alarm flag is set to 1.
292	292
293		-The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
	261	+**Interrupt:**
294	294
295		-[[image:image-20230614162359-3.png||height="468" width="800"]](% style="display:none" %)
	263	+Whether it is an external interrupt.
296	296
	265	+==== Distance** info** ====
297	297
298		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
	267	+**Example**:
299	299
300		-Each LDS12-LB is shipped with a sticker with the default device EUI as below:
	269	+If payload is: 0708H: distance = 0708H = 1800 mm
301	301
302		-[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
	271	+==== **Sensor State** ====
303	303
	273	+Ex1: 0x00: Normal collection distance
304	304
305		-You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	275	+Ex2 0x0x: Distance collection is wrong
306	306
	277	+==== **Interript Count** ====
307	307
308		-(% style="color:blue" %)**Register the device**
	279	+If payload is:000007D0H: count = 07D0H =2000
309	309
310		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
	281	+**MOD=2**
311	311
	283	+Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
312	312
313		-(% style="color:blue" %)**Add APP EUI and DEV EUI**
	285	+|**Size(bytes)**|**2**|**1**|**4**|**2**|**2**
	286	+|Value|[[BAT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS20L_LoRaWAN_Smart_Distance_Detector_User_Manual/#HBatteryInfo]]|MOD+ Alarm+Do+ Limit flag|Distance Limit  Alarm count|Upper limit|Lower limit
314	314
315		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
316	316
	289	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
317	317
318		-(% style="color:blue" %)**Add APP EUI in the application**
	291	+**MOD & Alarm & Do & Limit** **flag**
319	319
	293	+**MOD:**
320	320
321		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
	295	+**Example: ** (0x60>>6) & 0x3f =1
322	322
	297	+**0x01:**  Regularly detect distance and report.
	298	+**0x02: ** Uninterrupted measurement (external power supply).
323	323
324		-(% style="color:blue" %)**Add APP KEY**
	300	+**Alarm:**
325	325
326		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
	302	+When the detection distance exceeds the limit, the alarm flag is set to 1.
327	327
	304	+**Do:**
328	328
329		-(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
	306	+When the distance exceeds the set threshold, pull the Do pin high.
330	330
	308	+**Limit** **flag:**
331	331
332		-Press the button for 5 seconds to activate the LDS12-LB.
	310	+Mode for setting threshold: 0~~5
333	333
334		-(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
	312	+0: does not use upper and lower limits
335	335
336		-After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	314	+1: Use upper and lower limits
337	337
	316	+2: is less than the lower limit value
338	338
339		-== 2.3  ​Uplink Payload ==
	318	+3: is greater than the lower limit value
340	340
	320	+4: is less than the upper limit
341	341
342		-(((
343		-LDS12-LB will uplink payload via LoRaWAN with below payload format:
344		-)))
	322	+5: is greater than the upper limit
345	345
346		-(((
347		-Uplink payload includes in total 8 bytes.
348		-)))
	324	+**Upper limit:**
349	349
350		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
351		-|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
352		-**Size(bytes)**
353		-)))|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)1|=(% style="background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
354		-|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
355		-[[Distance>>||anchor="H2.3.2A0Distance"]]
356		-(unit: mm)
357		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
358		-[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
359		-)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
	326	+The upper limit of the threshold cannot exceed 2000mm.
360	360
361		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
	328	+**Lower limit:**
362	362
	330	+The lower limit of the threshold cannot be less than 3mm.
363	363
364		-=== 2.3.1  Battery Info ===
365	365
	333	+=== 2.3.3 Historical measuring distance, FPORT~=3 ===
366	366
367		-Check the battery voltage for LDS12-LB.
368	368
369		-Ex1: 0x0B45 = 2885mV
	336	+DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
370	370
371		-Ex2: 0x0B49 = 2889mV
	338	+The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
372	372
	340	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	341	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	342	+**Size(bytes)**
	343	+)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
	344	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
	345	+Reserve(0xFF)
	346	+)))|Distance|Distance signal strength|(% style="width:88px" %)(((
	347	+LiDAR temp
	348	+)))|(% style="width:85px" %)Unix TimeStamp
373	373
374		-=== 2.3.2  Distance ===
	350	+**Interrupt flag & Interrupt level:**
375	375
	352	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
	353	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	354	+**Size(bit)**
	355	+)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
	356	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
	357	+Interrupt flag
	358	+)))
376	376
377		-(((
378		-Get the distance. Flat object range 20mm - 2000mm.
	360	+* (((
	361	+Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
379	379	)))
380	380
381		-(((
382		-For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
	364	+For example, in the US915 band, the max payload for different DR is:
383	383
384		-(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
385		-)))
	366	+**a) DR0:** max is 11 bytes so one entry of data
386	386
387		-* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
	368	+**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
388	388
389		-* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
	370	+**c) DR2:** total payload includes 11 entries of data
390	390
391		-=== 2.3.3  Interrupt Pin ===
	372	+**d) DR3:** total payload includes 22 entries of data.
392	392
	374	+If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
393	393
394		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
395	395
396		-**Example:**
	377	+**Downlink:**
397	397
398		-0x00: Normal uplink packet.
	379	+0x31 64 CC 68 0C 64 CC 69 74 05
399	399
400		-0x01: Interrupt Uplink Packet.
	381	+[[image:image-20230805144936-2.png||height="113" width="746"]]
401	401
	383	+**Uplink:**
402	402
403		-=== 2.3.4  DS18B20 Temperature sensor ===
	385	+43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
404	404
405	405
406		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	388	+**Parsed Value:**
407	407
408		-**Example**:
	390	+[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
409	409
410		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
411	411
412		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	393	+[360,176,30,High,True,2023-08-04 02:53:00],
413	413
	395	+[355,168,30,Low,False,2023-08-04 02:53:29],
414	414
415		-=== 2.3.5  Sensor Flag ===
	397	+[245,211,30,Low,False,2023-08-04 02:54:29],
416	416
	399	+[57,700,30,Low,False,2023-08-04 02:55:29],
417	417
418		-(((
419		-0x01: Detect Ultrasonic Sensor
420		-)))
	401	+[361,164,30,Low,True,2023-08-04 02:56:00],
421	421
422		-(((
423		-0x00: No Ultrasonic Sensor
424		-)))
	403	+[337,184,30,Low,False,2023-08-04 02:56:40],
425	425
	405	+[20,4458,30,Low,False,2023-08-04 02:57:40],
426	426
427		-=== 2.3.6  Decode payload in The Things Network ===
	407	+[362,173,30,Low,False,2023-08-04 02:58:53],
428	428
429	429
430		-While using TTN network, you can add the payload format to decode the payload.
	410	+**History read from serial port：**
431	431
432		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850829385-439.png?rev=1.1||alt="1654850829385-439.png"]]
	412	+[[image:image-20230805145056-3.png]]
433	433
434		-The payload decoder function for TTN V3 is here:
435	435
436		-(((
437		-LDS12-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
438		-)))
	415	+=== 2.3.4 Decode payload in The Things Network ===
439	439
440	440
441		-== 2.4  Uplink Interval ==
	418	+While using TTN network, you can add the payload format to decode the payload.
442	442
	420	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
443	443
444		-The LDS12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
445	445
	423	+(((
	424	+The payload decoder function for TTN is here:
	425	+)))
446	446
447		-== 2.5  ​Show Data in DataCake IoT Server ==
	427	+(((
	428	+DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	429	+)))
448	448
449	449
	432	+== 2.4 ​Show Data in DataCake IoT Server ==
	433	+
	434	+
450	450	(((
451	451	[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
452	452	)))
...	...	@@ -469,7 +469,7 @@
469	469
470	470	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
471	471
472		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
	457	+(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
473	473
474	474	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
475	475
...	...	@@ -476,100 +476,23 @@
476	476
477	477	After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
478	478
479		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
	464	+[[image:1701152946067-561.png]]
480	480
481	481
482		-== 2.6 Datalog Feature ==
	467	+== 2.5 Frequency Plans ==
483	483
484	484
485		-Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes.
	470	+The DS20L uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
486	486
487		-
488		-=== 2.6.1 Ways to get datalog via LoRaWAN ===
489		-
490		-
491		-Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
492		-
493		-* (((
494		-a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
495		-)))
496		-* (((
497		-b) LDS12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but LDS12-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LDS12-LB gets a ACK, LDS12-LB will consider there is a network connection and resend all NONE-ACK messages.
498		-)))
499		-
500		-Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
501		-
502		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
503		-
504		-
505		-=== 2.6.2 Unix TimeStamp ===
506		-
507		-
508		-LDS12-LB uses Unix TimeStamp format based on
509		-
510		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
511		-
512		-User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
513		-
514		-Below is the converter example
515		-
516		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
517		-
518		-
519		-So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
520		-
521		-
522		-=== 2.6.3 Set Device Time ===
523		-
524		-
525		-User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
526		-
527		-Once LDS12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LDS12-LB. If LDS12-LB fails to get the time from the server, LDS12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
528		-
529		-(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
530		-
531		-
532		-=== 2.6.4 Poll sensor value ===
533		-
534		-
535		-Users can poll sensor values based on timestamps. Below is the downlink command.
536		-
537		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
538		-|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
539		-|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
540		-|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
541		-
542		-(((
543		-Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval.
544		-)))
545		-
546		-(((
547		-For example, downlink command [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]]
548		-)))
549		-
550		-(((
551		-Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
552		-)))
553		-
554		-(((
555		-Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
556		-)))
557		-
558		-
559		-== 2.7 Frequency Plans ==
560		-
561		-
562		-The LDS12-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
563		-
564	564	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
565	565
566	566
567		-= 3. Configure LDS12-LB =
	475	+= 3. Configure DS20L =
568	568
569	569	== 3.1 Configure Methods ==
570	570
571	571
572		-LDS12-LB supports below configure method:
	480	+DS20L supports below configure method:
573	573
574	574	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
575	575
...	...	@@ -591,10 +591,10 @@
591	591	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
592	592
593	593
594		-== 3.3 Commands special design for LDS12-LB ==
	502	+== 3.3 Commands special design for DS20L ==
595	595
596	596
597		-These commands only valid for LDS12-LB, as below:
	505	+These commands only valid for DS20L, as below:
598	598
599	599
600	600	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -609,7 +609,7 @@
609	609	)))
610	610
611	611	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
612		-|=(% style="width: 156px;background-color:#D9E2F3; color:#0070c0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3; color:#0070c0" %)**Function**|=(% style="background-color:#D9E2F3; color:#0070c0" %)**Response**
	520	+|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
613	613	|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
614	614	30000
615	615	OK
...	...	@@ -636,29 +636,30 @@
636	636	Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
637	637	)))
638	638	* (((
639		-Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
640		-
641		-
642		-
	547	+Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
643	643	)))
644	644
645	645	=== 3.3.2 Set Interrupt Mode ===
646	646
647	647
648		-Feature, Set Interrupt mode for PA8 of pin.
	553	+Feature, Set Interrupt mode for pin of GPIO_EXTI.
649	649
650		-When AT+INTMOD=0 is set, PA8 is used as a digital input port.
	555	+When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
651	651
652	652	(% style="color:blue" %)**AT Command: AT+INTMOD**
653	653
654	654	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
655		-|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
	560	+|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
656	656	|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
657	657	0
658	658	OK
659	659	the mode is 0 =Disable Interrupt
660	660	)))
661		-|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
	566	+|(% style="width:154px" %)(((
	567	+AT+INTMOD=3
	568	+
	569	+(default)
	570	+)))|(% style="width:196px" %)(((
662	662	Set Transmit Interval
663	663	0. (Disable Interrupt),
664	664	~1. (Trigger by rising and falling edge)
...	...	@@ -676,10 +676,78 @@
676	676
677	677	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
678	678
	588	+
	589	+== 3.3.3 Set work mode ==
	590	+
	591	+
	592	+Feature: Switch working mode
	593	+
	594	+(% style="color:blue" %)**AT Command: AT+MOD**
	595	+
	596	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	597	+|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Response**
	598	+|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
	599	+|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
	600	+OK
	601	+Attention:Take effect after ATZ
	602	+)))
	603	+
	604	+(% style="color:blue" %)**Downlink Command:**
	605	+
	606	+* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
	607	+
	608	+* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
	609	+
	610	+=== 3.3.4 Set threshold and threshold mode ===
	611	+
	612	+
	613	+Feature, Set threshold and threshold mode
	614	+
	615	+When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms.
	616	+
	617	+(% style="color:blue" %)**AT Command: AT+DOL**
	618	+
	619	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	620	+|(% style="background-color:#4f81bd; color:white; width:162px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:240px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:108px" %)**Response**
	621	+|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
	622	+0,0,0,0,400
	623	+OK
	624	+)))
	625	+|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
	626	+
	627	+
	628	+
	629	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	630	+|(% rowspan="11" style="color:blue; width:120px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
	631	+|(% style="width:251px" %)1: Use upper and lower limits
	632	+|(% style="width:251px" %)2: Less than the lower limit
	633	+|(% style="width:251px" %)3: Greater than the lower limit
	634	+|(% style="width:251px" %)4: Less than the upper limit
	635	+|(% style="width:251px" %)5: Greater than the upper limit
	636	+|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
	637	+|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
	638	+|(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high
	639	+|(% style="width:251px" %)1 Person or object counting statistics
	640	+|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
	641	+0~~10000ms
	642	+
	643	+
	644	+)))
	645	+
	646	+(% style="color:blue" %)**Downlink Command: 0x07**
	647	+
	648	+Format: Command Code (0x07) followed by 9bytes.
	649	+
	650	+* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
	651	+
	652	+* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
	653	+
	654	+
	655	+
679	679	= 4. Battery & Power Consumption =
680	680
681	681
682		-LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
	659	+DS20L use built-in 2400mAh non-chargeable battery for long-term use up to several years*. See below link for detail information about the battery info and how to replace.
683	683
684	684	[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
685	685
...	...	@@ -688,7 +688,7 @@
688	688
689	689
690	690	(% class="wikigeneratedid" %)
691		-User can change firmware LDS12-LB to:
	668	+User can change firmware DS20L to:
692	692
693	693	* Change Frequency band/ region.
694	694
...	...	@@ -696,7 +696,7 @@
696	696
697	697	* Fix bugs.
698	698
699		-Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
	676	+Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
700	700
701	701	Methods to Update Firmware:
702	702
...	...	@@ -706,10 +706,10 @@
706	706
707	707	= 6. FAQ =
708	708
709		-== 6.1 What is the frequency plan for LDS12-LB? ==
	686	+== 6.1 What is the frequency plan for DS20L? ==
710	710
711	711
712		-LDS12-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
	689	+DS20L use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
713	713
714	714
715	715	= 7. Trouble Shooting =
...	...	@@ -724,11 +724,11 @@
724	724
725	725
726	726	(((
727		-(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
	704	+(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance. (such as glass and water, etc.)
728	728	)))
729	729
730	730	(((
731		-Troubleshooting: Please avoid use of this product under such circumstance in practice.
	708	+(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
732	732	)))
733	733
734	734
...	...	@@ -737,7 +737,7 @@
737	737	)))
738	738
739	739	(((
740		-Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	717	+(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
741	741	)))
742	742
743	743
...	...	@@ -744,7 +744,7 @@
744	744	= 8. Order Info =
745	745
746	746
747		-Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
	724	+Part Number: (% style="color:blue" %)**DS20L-XXX**
748	748
749	749	(% style="color:red" %)**XXX**(%%): **The default frequency band**
750	750
...	...	@@ -769,7 +769,7 @@
769	769
770	770	(% style="color:#037691" %)**Package Includes**:
771	771
772		-* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
	749	+* DS20L LoRaWAN Smart Distance Detector x 1
773	773
774	774	(% style="color:#037691" %)**Dimension and weight**:
775	775

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