Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

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Details

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Title

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1		-LDDS75 - LoRaWAN Distance Detection Sensor User Manual
	1	+LDDS45 - LoRaWAN Distance Detection Sensor User Manual

Content

...	...	@@ -1,9 +1,8 @@
1	1	(% style="text-align:center" %)
2		-[[image:1654846127817-788.png]]
	2	+[[image:1654912614655-664.png||height="530" width="628"]]
3	3
4	4	**Contents:**
5	5
6		-{{toc/}}
7	7
8	8
9	9
...	...	@@ -21,7 +21,7 @@
21	21
22	22	(((
23	23	(((
24		-The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
	23	+The Dragino LDDS45 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
25	25	)))
26	26
27	27	(((
...	...	@@ -37,7 +37,7 @@
37	37	)))
38	38
39	39	(((
40		-The LoRa wireless technology used in LDDS75 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.
	39	+The LoRa wireless technology used in LDDS45 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.
41	41	)))
42	42
43	43	(((
...	...	@@ -45,7 +45,7 @@
45	45	)))
46	46
47	47	(((
48		-LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	47	+LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49	49	)))
50	50
51	51	(((
...	...	@@ -53,7 +53,7 @@
53	53	)))
54	54
55	55	(((
56		-Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
	55	+Each LDDS45 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
57	57	)))
58	58
59	59	(((
...	...	@@ -62,22 +62,24 @@
62	62
63	63	(((
64	64	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
	64	+
	65	+
65	65	)))
66	66	)))
67	67	)))
68	68
	70	+[[image:1654912858581-740.png]]
69	69
70		-[[image:1654847051249-359.png]]
71	71
72	72
73		-
74	74	== ​1.2  Features ==
75	75
76	76	* LoRaWAN 1.0.3 Class A
77		-* Ultra low power consumption
	77	+* Ultra-low power consumption
78	78	* Distance Detection by Ultrasonic technology
79		-* Flat object range 280mm - 7500mm
	79	+* Flat object range 30mm - 4500mm
80	80	* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	81	+* Measure Angle: 60°
81	81	* Cable Length : 25cm
82	82	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83	83	* AT Commands to change parameters
...	...	@@ -84,8 +84,12 @@
84	84	* Uplink on periodically
85	85	* Downlink to change configure
86	86	* IP66 Waterproof Enclosure
87		-* 4000mAh or 8500mAh Battery for long term use
	88	+* 8500mAh Battery for long term use
88	88
	90	+
	91	+
	92	+
	93	+
89	89	== 1.3  Specification ==
90	90
91	91	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -92,12 +92,15 @@
92	92
93	93	[[image:image-20220610154839-1.png]]
94	94
95		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
96	96
97		-**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
	101	+(((
	102	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
98	98
	104	+**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
	105	+)))
99	99
100	100
	108	+
101	101	=== 1.3.2  Effective measurement range Reference beam pattern ===
102	102
103	103	**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
...	...	@@ -108,7 +108,9 @@
108	108
109	109
110	110
	119	+(((
111	111	**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
	121	+)))
112	112
113	113
114	114	[[image:1654852175653-550.png]](% style="display:none" %) ** **
...	...	@@ -127,6 +127,10 @@
127	127	* Sewer
128	128	* Bottom water level monitoring
129	129
	140	+
	141	+
	142	+
	143	+
130	130	== 1.6  Pin mapping and power on ==
131	131
132	132
...	...	@@ -134,16 +134,16 @@
134	134
135	135
136	136
137		-= 2.  Configure LDDS75 to connect to LoRaWAN network =
	151	+= 2.  Configure LDDS45 to connect to LoRaWAN network =
138	138
139	139	== 2.1  How it works ==
140	140
141	141	(((
142		-The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
	156	+The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
143	143	)))
144	144
145	145	(((
146		-In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
	160	+In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS45.
147	147	)))
148	148
149	149
...	...	@@ -152,10 +152,15 @@
152	152
153	153	(((
154	154	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 [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
	169	+
	170	+
155	155	)))
156	156
	173	+[[image:1654913911773-521.png]]
	174	+
	175	+
157	157	(((
158		-[[image:1654848616367-242.png]]
	177	+
159	159	)))
160	160
161	161	(((
...	...	@@ -163,21 +163,27 @@
163	163	)))
164	164
165	165	(((
166		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
	185	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
167	167	)))
168	168
169	169	(((
170		-Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
	189	+Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
171	171	)))
172	172
173	173	[[image:image-20220607170145-1.jpeg]]
174	174
175	175
	195	+(((
176	176	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	197	+)))
177	177
	199	+(((
178	178	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	201	+)))
179	179
	203	+(((
180	180	**Add APP EUI in the application**
	205	+)))
181	181
182	182	[[image:image-20220610161353-4.png]]
183	183
...	...	@@ -188,7 +188,10 @@
188	188
189	189	[[image:image-20220610161353-7.png]]
190	190
	216	+**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
191	191
	218	+
	219	+
192	192	You can also choose to create the device manually.
193	193
194	194	[[image:image-20220610161538-8.png]]
...	...	@@ -201,16 +201,16 @@
201	201
202	202
203	203
204		-(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	232	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
205	205
206	206
207	207	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
208	208
209		-[[image:image-20220610161724-10.png]]
	237	+[[image:image-20220611102908-2.png]]
210	210
211	211
212	212	(((
213		-(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	241	+(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
214	214	)))
215	215
216	216	[[image:1654849068701-275.png]]
...	...	@@ -220,11 +220,12 @@
220	220	== 2.3  ​Uplink Payload ==
221	221
222	222	(((
223		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	251	+(((
	252	+LDDS45 will uplink payload via LoRaWAN with below payload format:
224	224
225		-Uplink payload includes in total 4 bytes.
226		-Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
	254	+Uplink payload includes in total 8 bytes.
227	227	)))
	256	+)))
228	228
229	229	(((
230	230
...	...	@@ -249,7 +249,7 @@
249	249	=== 2.3.1  Battery Info ===
250	250
251	251
252		-Check the battery voltage for LDDS75.
	281	+Check the battery voltage for LDDS45.
253	253
254	254	Ex1: 0x0B45 = 2885mV
255	255
...	...	@@ -259,18 +259,25 @@
259	259
260	260	=== 2.3.2  Distance ===
261	261
262		-Get the distance. Flat object range 280mm - 7500mm.
	291	+(((
	292	+Get the distance. Flat object range 30mm - 4500mm.
	293	+)))
263	263
264		-For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
	295	+(((
	296	+For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
	297	+)))
265	265
266	266
267	267	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
268		-* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
	301	+* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
269	269
270	270
	304	+
	305	+
	306	+
271	271	=== 2.3.3  Interrupt Pin ===
272	272
273		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
	309	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
274	274
275	275	**Example:**
276	276
...	...	@@ -290,15 +290,17 @@
290	290
291	291	If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
292	292
293		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
294	294
295	295
296		-
297	297	=== 2.3.5  Sensor Flag ===
298	298
	333	+(((
299	299	0x01: Detect Ultrasonic Sensor
	335	+)))
300	300
	337	+(((
301	301	0x00: No Ultrasonic Sensor
	339	+)))
302	302
303	303
304	304
...	...	@@ -311,13 +311,15 @@
311	311
312	312	The payload decoder function for TTN V3 is here:
313	313
314		-LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
	352	+(((
	353	+LDDS45 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
	354	+)))
315	315
316	316
317	317
318	318	== 2.4  Uplink Interval ==
319	319
320		-The LDDS75 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
	360	+The LDDS45 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
321	321
322	322
323	323
...	...	@@ -348,7 +348,7 @@
348	348
349	349	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
350	350
351		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
	391	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
352	352
353	353	[[image:1654851029373-510.png]]
354	354
...	...	@@ -362,7 +362,7 @@
362	362	== 2.6  Frequency Plans ==
363	363
364	364	(((
365		-The LDDS75 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.
	405	+The LDDS45 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.
366	366	)))
367	367
368	368
...	...	@@ -829,7 +829,7 @@
829	829
830	830	== 2.7  LED Indicator ==
831	831
832		-The LDDS75 has an internal LED which is to show the status of different state.
	872	+The LDDS45 has an internal LED which is to show the status of different state.
833	833
834	834
835	835	* Blink once when device power on.
...	...	@@ -838,13 +838,23 @@
838	838	* Blink once when device transmit a packet.
839	839
840	840
	881	+
	882	+
	883	+
841	841	== 2.8  ​Firmware Change Log ==
842	842
843	843
844		-**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
	887	+(((
	888	+**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]]
	889	+)))
845	845
	891	+(((
	892	+
	893	+)))
846	846
	895	+(((
847	847	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	897	+)))
848	848
849	849
850	850
...	...	@@ -851,20 +851,72 @@
851	851	== 2.9  Mechanical ==
852	852
853	853
854		-[[image:image-20220610172003-1.png]]
	904	+[[image:1654915562090-396.png]]
855	855
856	856
857		-[[image:image-20220610172003-2.png]]
858	858
859	859
860	860
861		-== 2.10  Battery Analysis ==
	910	+= 3. Battery & How to replace =
862	862
863		-=== 2.10.1  Battery Type ===
	912	+== 3.1 Battery Type ==
864	864
865		-The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	914	+(((
	915	+LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
	916	+)))
866	866
	918	+(((
	919	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	920	+)))
867	867
	922	+[[image:1654593587246-335.png]]
	923	+
	924	+
	925	+Minimum Working Voltage for the LSPH01:
	926	+
	927	+LSPH01:  2.45v ~~ 3.6v
	928	+
	929	+
	930	+
	931	+== 3.2 Replace Battery ==
	932	+
	933	+(((
	934	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	935	+)))
	936	+
	937	+(((
	938	+And make sure the positive and negative pins match.
	939	+)))
	940	+
	941	+
	942	+
	943	+== 3.3 Power Consumption Analyze ==
	944	+
	945	+(((
	946	+Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
	947	+)))
	948	+
	949	+(((
	950	+Instruction to use as below:
	951	+)))
	952	+
	953	+
	954	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
	955	+
	956	+[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
	957	+
	958	+
	959	+**Step 2**: Open it and choose
	960	+
	961	+* Product Model
	962	+* Uplink Interval
	963	+* Working Mode
	964	+
	965	+And the Life expectation in difference case will be shown on the right.
	966	+
	967	+[[image:1654593605679-189.png]]
	968	+
	969	+
868	868	The battery related documents as below:
869	869
870	870	* (((
...	...	@@ -877,28 +877,33 @@
877	877	[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
878	878	)))
879	879
880		- [[image:image-20220610172400-3.png]]
	982	+[[image:image-20220607172042-11.png]]
881	881
882	882
883	883
884		-=== 2.10.2  Replace the battery ===
	986	+=== 3.3.1 ​Battery Note ===
885	885
886	886	(((
887		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
	989	+The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
888	888	)))
889	889
	992	+
	993	+
	994	+=== ​3.3.2 Replace the battery ===
	995	+
890	890	(((
891		-
	997	+You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
892	892	)))
893	893
894	894	(((
895		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	1001	+The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
896	896	)))
897	897
898	898
899	899
900		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
901	901
	1007	+= 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	1008	+
902	902	(((
903	903	(((
904	904	Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
...	...	@@ -975,7 +975,7 @@
975	975
976	976
977	977
978		-== 3.1  Access AT Commands ==
	1085	+== 4.1  Access AT Commands ==
979	979
980	980	LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
981	981
...	...	@@ -988,7 +988,9 @@
988	988	[[image:image-20220610172924-5.png]]
989	989
990	990
	1098	+(((
991	991	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
	1100	+)))
992	992
993	993
994	994	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -995,7 +995,7 @@
995	995
996	996
997	997
998		-== 3.2  Set Transmit Interval Time ==
	1107	+== 4.2  Set Transmit Interval Time ==
999	999
1000	1000	Feature: Change LoRaWAN End Node Transmit Interval.
1001	1001
...	...	@@ -1012,18 +1012,21 @@
1012	1012	(((
1013	1013	Format: Command Code (0x01) followed by 3 bytes time value.
1014	1014
	1124	+(((
1015	1015	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1126	+)))
1016	1016
1017	1017	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1018	1018	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1019	1019	)))
	1131	+)))
1020	1020
1021	1021
1022		-
1023		-)))
1024	1024
1025		-== 3.3  Set Interrupt Mode ==
1026	1026
	1136	+
	1137	+== 4.3  Set Interrupt Mode ==
	1138	+
1027	1027	Feature, Set Interrupt mode for GPIO_EXIT.
1028	1028
1029	1029	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
...	...	@@ -1035,22 +1035,22 @@
1035	1035
1036	1036	Format: Command Code (0x06) followed by 3 bytes.
1037	1037
	1150	+(((
1038	1038	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1152	+)))
1039	1039
1040	1040	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1041	1041	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1042	1042
	1157	+= 5.  FAQ =
1043	1043
	1159	+== 5.1  What is the frequency plan for LDDS75? ==
1044	1044
1045		-= 4.  FAQ =
1046		-
1047		-== 4.1  What is the frequency plan for LDDS75? ==
1048		-
1049	1049	LDDS75 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"]]
1050	1050
1051	1051
1052	1052
1053		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1165	+== 5.2  How to change the LoRa Frequency Bands/Region ==
1054	1054
1055	1055	You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1056	1056	When downloading the images, choose the required image file for download. ​
...	...	@@ -1057,20 +1057,20 @@
1057	1057
1058	1058
1059	1059
1060		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1172	+== 5.3  Can I use LDDS75 in condensation environment? ==
1061	1061
1062	1062	LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1063	1063
1064	1064
1065	1065
1066		-= 5.  Trouble Shooting =
	1178	+= 6.  Trouble Shooting =
1067	1067
1068		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1180	+== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1069	1069
1070	1070	It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1071	1071
1072	1072
1073		-== 5.2  AT Command input doesn't work ==
	1185	+== 6.2  AT Command input doesn't work ==
1074	1074
1075	1075	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1076	1076
...	...	@@ -1079,7 +1079,7 @@
1079	1079	)))
1080	1080
1081	1081
1082		-= 6.  Order Info =
	1194	+= 7.  Order Info =
1083	1083
1084	1084
1085	1085	Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
...	...	@@ -1101,11 +1101,9 @@
1101	1101	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1102	1102	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1103	1103
	1216	+= 8. ​ Packing Info =
1104	1104
1105	1105
1106		-= 7. ​ Packing Info =
1107		-
1108		-
1109	1109	**Package Includes**:
1110	1110
1111	1111	* LDDS75 LoRaWAN Distance Detection Sensor x 1
...	...	@@ -1117,9 +1117,7 @@
1117	1117	* Package Size / pcs : cm
1118	1118	* Weight / pcs : g
1119	1119
	1230	+= 9.  ​Support =
1120	1120
1121		-
1122		-= 8.  ​Support =
1123		-
1124	1124	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1125	1125	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].

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