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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 +51,165 @@
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 +
208 +
209 +
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**
214 +|(% 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"]]
... ... @@ -128,75 +128,41 @@
128 128  * 1 x Counting Port
129 129  )))
130 130  
131 -= 2. Assembling the Device =
227 += 2. Power ON Device =
132 132  
133 -== 2.1 What is included in the package? ==
134 134  
135 -The package includes the following items:
230 +(((
231 +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.
232 +)))
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
234 +(((
235 +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.
237 +
238 +)))
143 143  
144 -== 2.2 Terminals ==
145 -
146 -Upper screw terminal block (from left to right):
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
156 -
157 -Lower screw terminal block (from left to right):
158 -
159 -(% style="width:633px" %)
160 -|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 -|(% style="width:296px" %)RO1-2|(% style="width:334px" %)
162 -|(% style="width:296px" %)RO1-1|(% style="width:334px" %)
163 -|(% style="width:296px" %)RO2-2|(% style="width:334px" %)
164 -|(% style="width:296px" %)RO2-1|(% style="width:334px" %)
165 -|(% style="width:296px" %)DI2+|(% style="width:334px" %)
166 -|(% style="width:296px" %)DI2-|(% style="width:334px" %)
167 -|(% style="width:296px" %)DI1+|(% style="width:334px" %)
168 -|(% style="width:296px" %)DI1-|(% style="width:334px" %)
169 -|(% style="width:296px" %)DO2|(% style="width:334px" %)
170 -|(% style="width:296px" %)DO1|(% style="width:334px" %)
171 -
172 -== 2.3 Powering ==
173 -
174 -(% style="line-height:1.38" %)
175 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)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. (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The power indicator (PWR) LED will turn on when the device is properly powered.
176 -
177 -
178 178  [[image:1653297104069-180.png]]
179 179  
180 180  
181 181  = 3. Operation Mode =
182 182  
183 -== 3.1 How does it work? ==
245 +== 3.1 How it works? ==
184 184  
185 -(((
186 -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.
187 187  
188 -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 +(((
249 +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. 
189 189  )))
190 190  
191 191  (((
192 -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.
253 +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.
193 193  )))
194 194  
195 195  
196 -== 3.2 Joining the LoRaWAN network server ==
257 +== 3.2 Example to join LoRaWAN network ==
197 197  
259 +
198 198  (((
199 -The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
261 +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. 
200 200  
201 201  
202 202  )))
... ... @@ -233,6 +233,7 @@
233 233  [[image:1653298023685-319.png]]
234 234  
235 235  
298 +
236 236  (((
237 237  (% 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.
238 238  
... ... @@ -266,7 +266,7 @@
266 266  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
267 267  
268 268  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
269 -|(% 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**
332 +|(% 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**
270 270  |Value|(((
271 271  AVI1 voltage
272 272  )))|(((
... ... @@ -288,7 +288,7 @@
288 288  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
289 289  )))
290 290  
291 -* RO is for relay. ROx=1 : close, ROx=0 always open.
354 +* RO is for relay. ROx=1 : close，ROx=0 always open.
292 292  * DI is for digital input. DIx=1: high or float, DIx=0: low.
293 293  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
294 294  
... ... @@ -299,7 +299,7 @@
299 299  
300 300  **The value for the interface is:  **
301 301  
302 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
365 +AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
303 303  
304 304  AVI2 channel voltage is 0x04AC/1000=1.196V
305 305  
... ... @@ -327,6 +327,9 @@
327 327  ** DO1 is high in case there is load between DO1 and V+.
328 328  ** DO1 LED is off in both case
329 329  
393 +
394 +
395 +
330 330  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
331 331  
332 332  
... ... @@ -338,7 +338,7 @@
338 338  Total : 11 bytes payload
339 339  
340 340  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
341 -|(% 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**
407 +|(% 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**
342 342  |Value|COUNT1|COUNT2 |DIDORO*|(((
343 343  Reserve
344 344  )))|MOD
... ... @@ -351,7 +351,7 @@
351 351  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
352 352  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
353 353  
354 -RO is for relay. ROx=1 : close , ROx=0 always open.
420 +RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  )))
356 356  
357 357  * FIRST: Indicate this is the first packet after join network.
... ... @@ -359,8 +359,6 @@
359 359  
360 360  (((
361 361  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
362 -
363 -
364 364  )))
365 365  
366 366  (((
... ... @@ -367,15 +367,17 @@
367 367  **To use counting mode, please run:**
368 368  )))
369 369  
370 -(((
371 371  (% class="box infomessage" %)
435 +
372 372  (((
373 373  **AT+MOD=2**
438 +)))
374 374  
440 +(((
375 375  **ATZ**
376 376  )))
377 -)))
378 378  
444 +
379 379  (((
380 380  
381 381  
... ... @@ -405,7 +405,7 @@
405 405  **LT22222-L**: This mode the DI1 is used as a counting pin.
406 406  
407 407  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
408 -|(% 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**
474 +|(% 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**
409 409  |Value|COUNT1|(((
410 410  ACI1 Current
411 411  )))|(((
... ... @@ -420,7 +420,7 @@
420 420  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
421 421  )))
422 422  
423 -* RO is for relay. ROx=1 : close, ROx=0 always open.
489 +* RO is for relay. ROx=1 : close，ROx=0 always open.
424 424  * FIRST: Indicate this is the first packet after join network.
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
... ... @@ -433,15 +433,17 @@
433 433  **To use counting mode, please run:**
434 434  )))
435 435  
436 -(((
437 437  (% class="box infomessage" %)
503 +
438 438  (((
439 439  **AT+MOD=3**
506 +)))
440 440  
508 +(((
441 441  **ATZ**
442 442  )))
443 -)))
444 444  
512 +
445 445  (((
446 446  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
447 447  )))
... ... @@ -458,7 +458,7 @@
458 458  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.
459 459  
460 460  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
461 -|(% 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**
529 +|(% 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**
462 462  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
463 463  Reserve
464 464  )))|MOD
... ... @@ -472,29 +472,32 @@
472 472  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
473 473  )))
474 474  
475 -* RO is for relay. ROx=1 : close, ROx=0 always open.
543 +* RO is for relay. ROx=1 : close，ROx=0 always open.
476 476  * FIRST: Indicate this is the first packet after join network.
477 477  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
478 478  
479 479  (((
480 480  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
481 -
482 -
483 483  )))
484 484  
485 485  (((
552 +
553 +
486 486  **To use this mode, please run:**
487 487  )))
488 488  
489 -(((
490 490  (% class="box infomessage" %)
558 +
491 491  (((
492 492  **AT+MOD=4**
561 +)))
493 493  
563 +(((
494 494  **ATZ**
495 495  )))
496 -)))
497 497  
567 +
568 +
498 498  (((
499 499  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
500 500  )))
... ... @@ -518,7 +518,7 @@
518 518  **LT22222-L**: This mode the DI1 is used as a counting pin.
519 519  
520 520  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
521 -|(% 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**
592 +|(% 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**
522 522  |Value|(((
523 523  AVI1 voltage
524 524  )))|(((
... ... @@ -537,7 +537,7 @@
537 537  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
538 538  )))
539 539  
540 -* RO is for relay. ROx=1 : close, ROx=0 always open.
611 +* RO is for relay. ROx=1 : close，ROx=0 always open.
541 541  * FIRST: Indicate this is the first packet after join network.
542 542  * (((
543 543  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -548,18 +548,22 @@
548 548  )))
549 549  
550 550  (((
622 +
623 +
551 551  **To use this mode, please run:**
552 552  )))
553 553  
554 -(((
555 555  (% class="box infomessage" %)
628 +
556 556  (((
557 557  **AT+MOD=5**
631 +)))
558 558  
633 +(((
559 559  **ATZ**
560 560  )))
561 -)))
562 562  
637 +
563 563  (((
564 564  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
565 565  )))
... ... @@ -654,7 +654,7 @@
654 654  MOD6 Payload : total 11 bytes payload
655 655  
656 656  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
657 -|(% 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**
732 +|(% 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**
658 658  |Value|(((
659 659  TRI_A FLAG
660 660  )))|(((
... ... @@ -982,7 +982,7 @@
982 982  01: Low,  00: High ,  11: No action
983 983  
984 984  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
985 -|(% 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**
1060 +|(% 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**
986 986  |02  01  00  11|Low|High|No Action
987 987  |02  00  11  01|High|No Action|Low
988 988  |02  11  01  00|No Action|Low|High
... ... @@ -1025,7 +1025,7 @@
1025 1025  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1026 1026  
1027 1027  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1028 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1103 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1029 1029  |0x01|DO1 set to low
1030 1030  |0x00|DO1 set to high
1031 1031  |0x11|DO1 NO Action
... ... @@ -1033,7 +1033,7 @@
1033 1033  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1034 1034  
1035 1035  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1036 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1111 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1037 1037  |0x01|DO2 set to low
1038 1038  |0x00|DO2 set to high
1039 1039  |0x11|DO2 NO Action
... ... @@ -1041,7 +1041,7 @@
1041 1041  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1042 1042  
1043 1043  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1044 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1119 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1045 1045  |0x01|DO3 set to low
1046 1046  |0x00|DO3 set to high
1047 1047  |0x11|DO3 NO Action
... ... @@ -1078,7 +1078,7 @@
1078 1078  
1079 1079  
1080 1080  
1081 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1156 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1082 1082  
1083 1083  
1084 1084  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1096,10 +1096,10 @@
1096 1096  )))
1097 1097  
1098 1098  (((
1099 -00: Close ,  01: Open , 11: No action
1174 +01: Close ,  00: Open , 11: No action
1100 1100  
1101 1101  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1102 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1177 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1103 1103  |03  00  11|Open|No Action
1104 1104  |03  01  11|Close|No Action
1105 1105  |03  11  00|No Action|Open
... ... @@ -1370,6 +1370,7 @@
1370 1370  [[image:1653356838789-523.png||height="337" width="740"]]
1371 1371  
1372 1372  
1448 +
1373 1373  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1374 1374  
1375 1375  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1522,11 +1522,8 @@
1522 1522  
1523 1523  [[image:image-20230616235145-1.png]]
1524 1524  
1525 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1526 1526  
1527 -[[image:image-20240219115718-1.png]]
1528 1528  
1529 -
1530 1530  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1531 1531  
1532 1532  
... ... @@ -1601,9 +1601,12 @@
1601 1601  == 3.7 LEDs Indicators ==
1602 1602  
1603 1603  
1604 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1605 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1677 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1678 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1606 1606  |**PWR**|Always on if there is power
1680 +|**SYS**|(((
1681 +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.
1682 +)))
1607 1607  |**TX**|(((
1608 1608  (((
1609 1609  Device boot: TX blinks 5 times.
... ... @@ -1618,16 +1618,20 @@
1618 1618  )))
1619 1619  )))
1620 1620  |**RX**|RX blinks once when receive a packet.
1621 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1622 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1623 -|**DI1**|(((
1624 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1697 +|**DO1**|
1698 +|**DO2**|
1699 +|**DO3**|
1700 +|**DI2**|(((
1701 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1625 1625  )))
1626 1626  |**DI2**|(((
1627 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1704 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1628 1628  )))
1629 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1630 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1706 +|**DI2**|(((
1707 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1708 +)))
1709 +|**RO1**|
1710 +|**RO2**|
1631 1631  
1632 1632  = 4. Use AT Command =
1633 1633  
... ... @@ -1638,6 +1638,10 @@
1638 1638  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.
1639 1639  )))
1640 1640  
1721 +(((
1722 +
1723 +)))
1724 +
1641 1641  [[image:1653358238933-385.png]]
1642 1642  
1643 1643  
... ... @@ -1956,6 +1956,8 @@
1956 1956  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1957 1957  
1958 1958  **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.**
2043 +
2044 +
1959 1959  )))
1960 1960  
1961 1961  (((
... ... @@ -1962,6 +1962,9 @@
1962 1962  [[image:1653359097980-169.png||height="188" width="729"]]
1963 1963  )))
1964 1964  
2051 +(((
2052 +
2053 +)))
1965 1965  
1966 1966  === 4.2.3 Change to Class A ===
1967 1967  
... ... @@ -1969,9 +1969,8 @@
1969 1969  (((
1970 1970  (% style="color:blue" %)**If sensor JOINED:**
1971 1971  
1972 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1973 -
1974 -(% style="background-color:#dcdcdc" %)**ATZ**
2061 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2062 +ATZ**
1975 1975  )))
1976 1976  
1977 1977  
... ... @@ -2024,6 +2024,7 @@
2024 2024  
2025 2025  (% 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:
2026 2026  
2115 +
2027 2027  [[image:1653360054704-518.png||height="186" width="745"]]
2028 2028  
2029 2029  
... ... @@ -2087,21 +2087,13 @@
2087 2087  
2088 2088  (((
2089 2089  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2090 -
2091 2091  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2092 -
2093 2093  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2094 -
2095 2095  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2096 -
2097 2097  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2098 -
2099 2099  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2100 -
2101 2101  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2102 -
2103 2103  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2104 -
2105 2105  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2106 2106  )))
2107 2107  
... ... @@ -2113,7 +2113,7 @@
2113 2113  [[image:1653360498588-932.png||height="485" width="726"]]
2114 2114  
2115 2115  
2116 -== 6.4 How to change the uplink interval? ==
2197 +== 6.4 How to change the uplink interval？ ==
2117 2117  
2118 2118  
2119 2119  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/]]
... ... @@ -2162,12 +2162,6 @@
2162 2162  Firmware version needs to be no less than 1.6.0.
2163 2163  
2164 2164  
2165 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2166 -
2167 -
2168 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2169 -
2170 -
2171 2171  = 7. Trouble Shooting =
2172 2172  )))
2173 2173  
... ... @@ -2208,13 +2208,6 @@
2208 2208  )))
2209 2209  
2210 2210  
2211 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2212 -
2213 -
2214 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2215 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2216 -
2217 -
2218 2218  = 8. Order Info =
2219 2219  
2220 2220  
... ... @@ -2268,3 +2268,5 @@
2268 2268  * 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]]
2269 2269  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2270 2270  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2339 +
2340 +
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