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Summary

Details

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Title
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1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
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1 -XWiki.pradeeka
1 +XWiki.Xiaoling
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -19,30 +19,36 @@
19 19  
20 20  = 1.Introduction =
21 21  
22 -== 1.1 What is the LT-22222-L I/O Controller? ==
18 +== 1.1 What is LT Series I/O Controller ==
23 23  
24 24  (((
25 -(((
26 -The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
21 +
27 27  
28 -The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
23 +(((
24 +The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
29 29  )))
30 30  )))
31 31  
32 32  (((
33 -With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
34 34  )))
35 35  
36 -> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
32 +(((
33 +The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34 +)))
37 37  
38 38  (((
39 -You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
37 +The use environment includes:
38 +)))
40 40  
41 -* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
42 -* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 -* Setup your own private LoRaWAN network.
40 +(((
41 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 +)))
44 44  
45 -> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
44 +(((
45 +2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
46 +
47 +
46 46  )))
47 47  
48 48  (((
... ... @@ -51,71 +51,163 @@
51 51  
52 52  )))
53 53  
54 -== 1.2 Specifications ==
56 +== 1.2  Specifications ==
55 55  
58 +(((
59 +
60 +
56 56  (% style="color:#037691" %)**Hardware System:**
62 +)))
57 57  
58 -* STM32L072xxxx MCU
59 -* SX1276/78 Wireless Chip 
60 -* Power Consumption:
61 -** Idle: 4mA@12v
62 -** 20dB Transmit: 34mA@12v
63 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
64 64  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
82 +
83 +(((
84 +
85 +
65 65  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
66 66  
67 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
68 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
69 -* 2 x Relay Output (5A@250VAC / 30VDC)
70 -* 2 x 0~~20mA Analog Input (res:0.01mA)
71 -* 2 x 0~~30V Analog Input (res:0.01v)
72 -* Power Input 7~~ 24V DC. 
89 +* (((
90 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 +)))
92 +* (((
93 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 +)))
95 +* (((
96 +2 x Relay Output (5A@250VAC / 30VDC)
97 +)))
98 +* (((
99 +2 x 0~~20mA Analog Input (res:0.01mA)
100 +)))
101 +* (((
102 +2 x 0~~30V Analog Input (res:0.01v)
103 +)))
104 +* (((
105 +Power Input 7~~ 24V DC. 
106 +)))
73 73  
108 +(((
109 +
110 +
74 74  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
75 75  
76 -* Frequency Range:
77 -** Band 1 (HF): 862 ~~ 1020 Mhz
78 -** Band 2 (LF): 410 ~~ 528 Mhz
79 -* 168 dB maximum link budget.
80 -* +20 dBm - 100 mW constant RF output vs.
81 -* +14 dBm high efficiency PA.
82 -* Programmable bit rate up to 300 kbps.
83 -* High sensitivity: down to -148 dBm.
84 -* Bullet-proof front end: IIP3 = -12.5 dBm.
85 -* Excellent blocking immunity.
86 -* Low RX current of 10.3 mA, 200 nA register retention.
87 -* Fully integrated synthesizer with a resolution of 61 Hz.
88 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 -* Built-in bit synchronizer for clock recovery.
90 -* Preamble detection.
91 -* 127 dB Dynamic Range RSSI.
92 -* Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
94 94  
119 +* (((
120 +Band 1 (HF): 862 ~~ 1020 Mhz
121 +)))
122 +* (((
123 +Band 2 (LF): 410 ~~ 528 Mhz
124 +)))
125 +)))
126 +* (((
127 +168 dB maximum link budget.
128 +)))
129 +* (((
130 ++20 dBm - 100 mW constant RF output vs.
131 +)))
132 +* (((
133 ++14 dBm high efficiency PA.
134 +)))
135 +* (((
136 +Programmable bit rate up to 300 kbps.
137 +)))
138 +* (((
139 +High sensitivity: down to -148 dBm.
140 +)))
141 +* (((
142 +Bullet-proof front end: IIP3 = -12.5 dBm.
143 +)))
144 +* (((
145 +Excellent blocking immunity.
146 +)))
147 +* (((
148 +Low RX current of 10.3 mA, 200 nA register retention.
149 +)))
150 +* (((
151 +Fully integrated synthesizer with a resolution of 61 Hz.
152 +)))
153 +* (((
154 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 +)))
156 +* (((
157 +Built-in bit synchronizer for clock recovery.
158 +)))
159 +* (((
160 +Preamble detection.
161 +)))
162 +* (((
163 +127 dB Dynamic Range RSSI.
164 +)))
165 +* (((
166 +Automatic RF Sense and CAD with ultra-fast AFC.
167 +)))
168 +* (((
169 +Packet engine up to 256 bytes with CRC.
170 +
171 +
172 +
173 +)))
174 +
95 95  == 1.3 Features ==
96 96  
177 +
97 97  * LoRaWAN Class A & Class C protocol
179 +
98 98  * Optional Customized LoRa Protocol
181 +
99 99  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
100 100  * AT Commands to change parameters
185 +
101 101  * Remote configure parameters via LoRa Downlink
187 +
102 102  * Firmware upgradable via program port
189 +
103 103  * Counting
104 104  
105 -== 1.4 Applications ==
192 +== 1.4  Applications ==
106 106  
194 +
107 107  * Smart Buildings & Home Automation
196 +
108 108  * Logistics and Supply Chain Management
198 +
109 109  * Smart Metering
200 +
110 110  * Smart Agriculture
202 +
111 111  * Smart Cities
204 +
112 112  * Smart Factory
113 113  
207 +
114 114  == 1.5 Hardware Variants ==
115 115  
116 116  
117 117  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
212 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
119 119  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 120  (% style="text-align:center" %)
121 121  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -128,124 +128,84 @@
128 128  * 1 x Counting Port
129 129  )))
130 130  
131 -= 2. Assembling the Device =
225 += 2. Power ON Device =
132 132  
133 -== 2.1 What is included in the package? ==
134 134  
135 -The package includes the following items:
228 +(((
229 +The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
230 +)))
136 136  
137 -* 1 x LT-22222-L I/O Controller
138 -* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 -* 1 x bracket for wall mounting
140 -* 1 x programming cable
232 +(((
233 +PWR will on when device is properly powered.
141 141  
142 -Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
235 +
236 +)))
143 143  
144 -== 2.2 Terminals ==
238 +[[image:1653297104069-180.png]]
145 145  
146 -Upper screw terminal block (from left to right):
147 147  
148 -(% style="width:634px" %)
149 -|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 -|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 -|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 -|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 -|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 -|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 -|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
241 += 3. Operation Mode =
156 156  
157 -Lower screw terminal block (from left to right):
243 +== 3.1 How it works? ==
158 158  
159 -(% style="width:633px" %)
160 -|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 -|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 -|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 -|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 -|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 -|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 -|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 -|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 -|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 -|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 -|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 171  
172 -== 2.3 Powering ==
246 +(((
247 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
248 +)))
173 173  
174 -The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
250 +(((
251 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
252 +)))
175 175  
176 176  
177 -[[image:1653297104069-180.png]]
255 +== 3.2 Example to join LoRaWAN network ==
178 178  
179 179  
180 -= 3. Operation Mode =
258 +(((
259 +This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
181 181  
182 -== 3.1 How does it work? ==
261 +
262 +)))
183 183  
184 -The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
264 +[[image:image-20220523172350-1.png||height="266" width="864"]]
185 185  
186 -For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
187 187  
188 -In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
267 +(((
268 +The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
189 189  
190 -== 3.2 Registering with a LoRaWAN network server ==
270 +
271 +)))
191 191  
192 -The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
273 +(((
274 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
275 +)))
193 193  
194 -[[image:image-20220523172350-1.png||height="266" width="864"]]
277 +(((
278 +Each LT is shipped with a sticker with the default device EUI as below:
279 +)))
195 195  
196 -=== 3.2.1 Prerequisites ===
197 -
198 -Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
199 -
200 200  [[image:image-20230425173427-2.png||height="246" width="530"]]
201 201  
202 -The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
203 203  
204 -=== 3.2.2 The Things Stack Sandbox (TTSS) ===
284 +Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
205 205  
206 -* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
207 -* Create an application if you do not have one yet.
208 -* Register LT-22222-L with that application. Two registration options available:
286 +**Add APP EUI in the application.**
209 209  
210 -==== Using the LoRaWAN Device Repository: ====
288 +[[image:1653297955910-247.png||height="321" width="716"]]
211 211  
212 -* Go to your application and click on the **Register end device** button.
213 -* On the **Register end device** page:
214 -** Select the option **Select the end device in the LoRaWAN Device Repository**.
215 -** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
216 -** Select the **Frequency plan** that matches with your device.
217 217  
218 -[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
291 +**Add APP KEY and DEV EUI**
219 219  
220 -*
221 -** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
222 -** Enter the **DevEUI** in the **DevEUI** field.
223 -** Enter the **AppKey** in the **AppKey** field.
224 -** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
225 -** Under **After registration**, select the **View registered end device** option.
293 +[[image:1653298023685-319.png]]
226 226  
227 -[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
228 228  
229 -==== Entering device information manually: ====
230 230  
231 -* On the **Register end device** page:
232 -** Select the **Enter end device specified manually** option.
233 -** Select the **Frequency plan** that matches with your device.
234 -** Select the **LoRaWAN version**.
235 -** Select the **Regional Parameters version**.
236 -** Click **Show advanced activation, LoRaWAN class and cluster settings** option.
237 -** Select **Over the air activation (OTAA)** option under **Activation mode**
238 -** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
239 -** Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
240 -** Enter **DevEUI** in the **DevEUI** field.
241 -** Enter **AppKey** in the **AppKey** field.
242 -** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
243 -** Under **After registration**, select the **View registered end device** option.
297 +(((
298 +(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
244 244  
245 -==== Joining ====
300 +
301 +)))
246 246  
247 -Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
248 -
249 249  [[image:1653298044601-602.png||height="405" width="709"]]
250 250  
251 251  
... ... @@ -273,7 +273,7 @@
273 273  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
274 274  
275 275  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
276 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
330 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="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" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
277 277  |Value|(((
278 278  AVI1 voltage
279 279  )))|(((
... ... @@ -295,7 +295,7 @@
295 295  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
296 296  )))
297 297  
298 -* RO is for relay. ROx=1 : close, ROx=0 always open.
352 +* RO is for relay. ROx=1 : close，ROx=0 always open.
299 299  * DI is for digital input. DIx=1: high or float, DIx=0: low.
300 300  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
301 301  
... ... @@ -306,7 +306,7 @@
306 306  
307 307  **The value for the interface is:  **
308 308  
309 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
363 +AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
310 310  
311 311  AVI2 channel voltage is 0x04AC/1000=1.196V
312 312  
... ... @@ -334,6 +334,7 @@
334 334  ** DO1 is high in case there is load between DO1 and V+.
335 335  ** DO1 LED is off in both case
336 336  
391 +
337 337  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338 338  
339 339  
... ... @@ -345,7 +345,7 @@
345 345  Total : 11 bytes payload
346 346  
347 347  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
348 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
403 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
349 349  |Value|COUNT1|COUNT2 |DIDORO*|(((
350 350  Reserve
351 351  )))|MOD
... ... @@ -358,7 +358,7 @@
358 358  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
359 359  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
360 360  
361 -RO is for relay. ROx=1 : close , ROx=0 always open.
416 +RO is for relay. ROx=1 : close，ROx=0 always open.
362 362  )))
363 363  
364 364  * FIRST: Indicate this is the first packet after join network.
... ... @@ -366,8 +366,6 @@
366 366  
367 367  (((
368 368  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
369 -
370 -
371 371  )))
372 372  
373 373  (((
... ... @@ -374,6 +374,7 @@
374 374  **To use counting mode, please run:**
375 375  )))
376 376  
430 +
377 377  (((
378 378  (% class="box infomessage" %)
379 379  (((
... ... @@ -412,7 +412,7 @@
412 412  **LT22222-L**: This mode the DI1 is used as a counting pin.
413 413  
414 414  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
469 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="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" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
416 416  |Value|COUNT1|(((
417 417  ACI1 Current
418 418  )))|(((
... ... @@ -427,7 +427,7 @@
427 427  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
428 428  )))
429 429  
430 -* RO is for relay. ROx=1 : close, ROx=0 always open.
484 +* RO is for relay. ROx=1 : close，ROx=0 always open.
431 431  * FIRST: Indicate this is the first packet after join network.
432 432  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
433 433  
... ... @@ -465,7 +465,7 @@
465 465  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
466 466  
467 467  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
468 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
522 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
469 469  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
470 470  Reserve
471 471  )))|MOD
... ... @@ -479,7 +479,7 @@
479 479  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
480 480  )))
481 481  
482 -* RO is for relay. ROx=1 : close, ROx=0 always open.
536 +* RO is for relay. ROx=1 : close，ROx=0 always open.
483 483  * FIRST: Indicate this is the first packet after join network.
484 484  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
485 485  
... ... @@ -525,7 +525,7 @@
525 525  **LT22222-L**: This mode the DI1 is used as a counting pin.
526 526  
527 527  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
528 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
582 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="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" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
529 529  |Value|(((
530 530  AVI1 voltage
531 531  )))|(((
... ... @@ -544,7 +544,7 @@
544 544  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
545 545  )))
546 546  
547 -* RO is for relay. ROx=1 : close, ROx=0 always open.
601 +* RO is for relay. ROx=1 : close，ROx=0 always open.
548 548  * FIRST: Indicate this is the first packet after join network.
549 549  * (((
550 550  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -587,6 +587,7 @@
587 587  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
588 588  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
589 589  
644 +
590 590  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
591 591  
592 592  
... ... @@ -661,7 +661,7 @@
661 661  MOD6 Payload : total 11 bytes payload
662 662  
663 663  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
664 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
719 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
665 665  |Value|(((
666 666  TRI_A FLAG
667 667  )))|(((
... ... @@ -989,7 +989,7 @@
989 989  01: Low,  00: High ,  11: No action
990 990  
991 991  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
992 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1047 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
993 993  |02  01  00  11|Low|High|No Action
994 994  |02  00  11  01|High|No Action|Low
995 995  |02  11  01  00|No Action|Low|High
... ... @@ -1032,7 +1032,7 @@
1032 1032  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1033 1033  
1034 1034  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1035 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1090 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1036 1036  |0x01|DO1 set to low
1037 1037  |0x00|DO1 set to high
1038 1038  |0x11|DO1 NO Action
... ... @@ -1040,7 +1040,7 @@
1040 1040  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1041 1041  
1042 1042  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1043 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1098 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1044 1044  |0x01|DO2 set to low
1045 1045  |0x00|DO2 set to high
1046 1046  |0x11|DO2 NO Action
... ... @@ -1048,7 +1048,7 @@
1048 1048  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1049 1049  
1050 1050  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1051 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1106 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1052 1052  |0x01|DO3 set to low
1053 1053  |0x00|DO3 set to high
1054 1054  |0x11|DO3 NO Action
... ... @@ -1085,7 +1085,7 @@
1085 1085  
1086 1086  
1087 1087  
1088 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1143 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1089 1089  
1090 1090  
1091 1091  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1103,10 +1103,10 @@
1103 1103  )))
1104 1104  
1105 1105  (((
1106 -00: Close ,  01: Open , 11: No action
1161 +01: Close ,  00: Open , 11: No action
1107 1107  
1108 1108  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1109 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1164 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1110 1110  |03  00  11|Open|No Action
1111 1111  |03  01  11|Close|No Action
1112 1112  |03  11  00|No Action|Open
... ... @@ -1377,6 +1377,7 @@
1377 1377  [[image:1653356838789-523.png||height="337" width="740"]]
1378 1378  
1379 1379  
1435 +
1380 1380  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1381 1381  
1382 1382  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1529,11 +1529,8 @@
1529 1529  
1530 1530  [[image:image-20230616235145-1.png]]
1531 1531  
1532 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1533 1533  
1534 -[[image:image-20240219115718-1.png]]
1535 1535  
1536 -
1537 1537  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1538 1538  
1539 1539  
... ... @@ -1608,9 +1608,12 @@
1608 1608  == 3.7 LEDs Indicators ==
1609 1609  
1610 1610  
1611 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1612 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1664 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1665 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1613 1613  |**PWR**|Always on if there is power
1667 +|**SYS**|(((
1668 +After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1669 +)))
1614 1614  |**TX**|(((
1615 1615  (((
1616 1616  Device boot: TX blinks 5 times.
... ... @@ -1625,16 +1625,20 @@
1625 1625  )))
1626 1626  )))
1627 1627  |**RX**|RX blinks once when receive a packet.
1628 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1629 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1630 -|**DI1**|(((
1631 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1684 +|**DO1**|
1685 +|**DO2**|
1686 +|**DO3**|
1687 +|**DI2**|(((
1688 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1632 1632  )))
1633 1633  |**DI2**|(((
1634 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1691 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1635 1635  )))
1636 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1637 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1693 +|**DI2**|(((
1694 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1695 +)))
1696 +|**RO1**|
1697 +|**RO2**|
1638 1638  
1639 1639  = 4. Use AT Command =
1640 1640  
... ... @@ -1645,6 +1645,10 @@
1645 1645  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1646 1646  )))
1647 1647  
1708 +(((
1709 +
1710 +)))
1711 +
1648 1648  [[image:1653358238933-385.png]]
1649 1649  
1650 1650  
... ... @@ -1963,6 +1963,8 @@
1963 1963  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1964 1964  
1965 1965  **4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
2030 +
2031 +
1966 1966  )))
1967 1967  
1968 1968  (((
... ... @@ -1969,6 +1969,9 @@
1969 1969  [[image:1653359097980-169.png||height="188" width="729"]]
1970 1970  )))
1971 1971  
2038 +(((
2039 +
2040 +)))
1972 1972  
1973 1973  === 4.2.3 Change to Class A ===
1974 1974  
... ... @@ -1976,9 +1976,8 @@
1976 1976  (((
1977 1977  (% style="color:blue" %)**If sensor JOINED:**
1978 1978  
1979 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1980 -
1981 -(% style="background-color:#dcdcdc" %)**ATZ**
2048 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2049 +ATZ**
1982 1982  )))
1983 1983  
1984 1984  
... ... @@ -2031,6 +2031,7 @@
2031 2031  
2032 2032  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2033 2033  
2102 +
2034 2034  [[image:1653360054704-518.png||height="186" width="745"]]
2035 2035  
2036 2036  
... ... @@ -2094,21 +2094,13 @@
2094 2094  
2095 2095  (((
2096 2096  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2097 -
2098 2098  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2099 -
2100 2100  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2101 -
2102 2102  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2103 -
2104 2104  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2105 -
2106 2106  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2107 -
2108 2108  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2109 -
2110 2110  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2111 -
2112 2112  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2113 2113  )))
2114 2114  
... ... @@ -2120,7 +2120,7 @@
2120 2120  [[image:1653360498588-932.png||height="485" width="726"]]
2121 2121  
2122 2122  
2123 -== 6.4 How to change the uplink interval? ==
2184 +== 6.4 How to change the uplink interval？ ==
2124 2124  
2125 2125  
2126 2126  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
... ... @@ -2169,12 +2169,6 @@
2169 2169  Firmware version needs to be no less than 1.6.0.
2170 2170  
2171 2171  
2172 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2173 -
2174 -
2175 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2176 -
2177 -
2178 2178  = 7. Trouble Shooting =
2179 2179  )))
2180 2180  
... ... @@ -2215,13 +2215,6 @@
2215 2215  )))
2216 2216  
2217 2217  
2218 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2219 -
2220 -
2221 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2222 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2223 -
2224 -
2225 2225  = 8. Order Info =
2226 2226  
2227 2227  
... ... @@ -2275,3 +2275,5 @@
2275 2275  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2276 2276  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2277 2277  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2326 +
2327 +
image-20240219115718-1.png
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