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<
From version < 126.7 >
edited by Xiaoling
on 2023/06/19 15:51
To version < 140.1 >
edited by Dilisi S
on 2024/10/31 03:45
>
Change comment: Uploaded new attachment "lt-22222-l-dev-repo-p1.png", version {1}

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
... ... @@ -3,6 +3,10 @@
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -15,36 +15,30 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -== 1.1 What is LT Series I/O Controller ==
22 +== 1.1 What is the LT-22222-L I/O Controller? ==
19 19  
20 20  (((
21 -
22 -
23 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.
25 -)))
26 -)))
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.
27 27  
28 -(((
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.
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.
30 30  )))
31 -
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 34  )))
35 35  
36 36  (((
37 -The use environment includes:
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.
38 38  )))
39 39  
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 -)))
36 +> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43 43  
44 44  (((
45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
39 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46 46  
47 -
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.
44 +
45 +> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48 48  )))
49 49  
50 50  (((
... ... @@ -53,165 +53,71 @@
53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
54 +== 1.2 Specifications ==
57 57  
58 -(((
59 -
60 -
61 61  (% style="color:#037691" %)**Hardware System:**
62 -)))
63 63  
64 -* (((
65 -STM32L072xxxx MCU
66 -)))
67 -* (((
68 -SX1276/78 Wireless Chip 
69 -)))
70 -* (((
71 -(((
72 -Power Consumption:
73 -)))
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
74 74  
75 -* (((
76 -Idle: 4mA@12v
77 -)))
78 -* (((
79 -20dB Transmit: 34mA@12v
80 -)))
81 -)))
82 -
83 -(((
84 -
85 -
86 86  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 -)))
88 88  
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 -)))
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. 
107 107  
108 -(((
109 -
110 -
111 111  (% style="color:#037691" %)**LoRa Spec:**
112 -)))
113 113  
114 -* (((
115 -(((
116 -Frequency Range:
117 -)))
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.
118 118  
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 -
175 175  == 1.3 Features ==
176 176  
177 -
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 -== 1.4  Applications ==
105 +== 1.4 Applications ==
193 193  
194 -
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 -
208 -
209 -
210 210  == 1.5 Hardware Variants ==
211 211  
212 212  
213 213  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
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**
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**
215 215  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
216 216  (% style="text-align:center" %)
217 217  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -224,41 +224,75 @@
224 224  * 1 x Counting Port
225 225  )))
226 226  
227 -= 2. Power ON Device =
131 += 2. Assembling the Device =
228 228  
133 +== 2.1 What is included in the package? ==
229 229  
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 -)))
135 +The package includes the following items:
233 233  
234 -(((
235 -PWR will on when device is properly powered.
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
236 236  
237 -
238 -)))
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.
239 239  
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 +
240 240  [[image:1653297104069-180.png]]
241 241  
242 242  
243 243  = 3. Operation Mode =
244 244  
245 -== 3.1 How it works? ==
183 +== 3.1 How does it work? ==
246 246  
247 -
248 248  (((
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. 
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 +
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. 
250 250  )))
251 251  
252 252  (((
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.
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.
254 254  )))
255 255  
256 256  
257 -== 3.2 Example to join LoRaWAN network ==
196 +== 3.2 Joining the LoRaWAN network server ==
258 258  
259 -
260 260  (((
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. 
199 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
262 262  
263 263  
264 264  )))
... ... @@ -295,7 +295,6 @@
295 295  [[image:1653298023685-319.png]]
296 296  
297 297  
298 -
299 299  (((
300 300  (% 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.
301 301  
... ... @@ -329,7 +329,7 @@
329 329  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
330 330  
331 331  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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**
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**
333 333  |Value|(((
334 334  AVI1 voltage
335 335  )))|(((
... ... @@ -351,7 +351,7 @@
351 351  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
352 352  )))
353 353  
354 -* RO is for relay. ROx=1 : close，ROx=0 always open.
291 +* RO is for relay. ROx=1 : close, ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
356 356  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
357 357  
... ... @@ -362,7 +362,7 @@
362 362  
363 363  **The value for the interface is:  **
364 364  
365 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
302 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
366 366  
367 367  AVI2 channel voltage is 0x04AC/1000=1.196V
368 368  
... ... @@ -390,9 +390,6 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
393 -
394 -
395 -
396 396  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
397 397  
398 398  
... ... @@ -404,7 +404,7 @@
404 404  Total : 11 bytes payload
405 405  
406 406  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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**
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**
408 408  |Value|COUNT1|COUNT2 |DIDORO*|(((
409 409  Reserve
410 410  )))|MOD
... ... @@ -417,7 +417,7 @@
417 417  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
418 418  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
419 419  
420 -RO is for relay. ROx=1 : close，ROx=0 always open.
354 +RO is for relay. ROx=1 : close , ROx=0 always open.
421 421  )))
422 422  
423 423  * FIRST: Indicate this is the first packet after join network.
... ... @@ -425,6 +425,8 @@
425 425  
426 426  (((
427 427  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
362 +
363 +
428 428  )))
429 429  
430 430  (((
... ... @@ -431,17 +431,15 @@
431 431  **To use counting mode, please run:**
432 432  )))
433 433  
370 +(((
434 434  (% class="box infomessage" %)
435 -
436 436  (((
437 437  **AT+MOD=2**
438 -)))
439 439  
440 -(((
441 441  **ATZ**
442 442  )))
377 +)))
443 443  
444 -
445 445  (((
446 446  
447 447  
... ... @@ -471,7 +471,7 @@
471 471  **LT22222-L**: This mode the DI1 is used as a counting pin.
472 472  
473 473  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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**
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**
475 475  |Value|COUNT1|(((
476 476  ACI1 Current
477 477  )))|(((
... ... @@ -486,7 +486,7 @@
486 486  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
487 487  )))
488 488  
489 -* RO is for relay. ROx=1 : close，ROx=0 always open.
423 +* RO is for relay. ROx=1 : close, ROx=0 always open.
490 490  * FIRST: Indicate this is the first packet after join network.
491 491  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
492 492  
... ... @@ -499,18 +499,14 @@
499 499  **To use counting mode, please run:**
500 500  )))
501 501  
436 +(((
502 502  (% class="box infomessage" %)
503 503  (((
504 -(((
505 -(((
506 506  **AT+MOD=3**
507 -)))
508 508  
509 -(((
510 510  **ATZ**
511 511  )))
512 512  )))
513 -)))
514 514  
515 515  (((
516 516  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -527,8 +527,8 @@
527 527  (((
528 528  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.
529 529  
530 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
531 -|(% 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**
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**
532 532  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
533 533  Reserve
534 534  )))|MOD
... ... @@ -537,39 +537,34 @@
537 537  (((
538 538  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
539 539  
540 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
470 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
541 541  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
542 542  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
543 543  )))
544 544  
545 -* RO is for relay. ROx=1 : close，ROx=0 always open.
475 +* RO is for relay. ROx=1 : close, ROx=0 always open.
546 546  * FIRST: Indicate this is the first packet after join network.
547 547  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
548 548  
549 549  (((
550 550  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
551 -)))
552 552  
553 -(((
554 554  
483 +)))
555 555  
485 +(((
556 556  **To use this mode, please run:**
557 557  )))
558 558  
489 +(((
559 559  (% class="box infomessage" %)
560 560  (((
561 -(((
562 -(((
563 563  **AT+MOD=4**
564 -)))
565 565  
566 -(((
567 567  **ATZ**
568 568  )))
569 569  )))
570 -)))
571 571  
572 -
573 573  (((
574 574  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
575 575  )))
... ... @@ -592,8 +592,8 @@
592 592  
593 593  **LT22222-L**: This mode the DI1 is used as a counting pin.
594 594  
595 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
596 -|(% 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**
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**
597 597  |Value|(((
598 598  AVI1 voltage
599 599  )))|(((
... ... @@ -607,12 +607,12 @@
607 607  (((
608 608  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
609 609  
610 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
535 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
611 611  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
612 612  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
613 613  )))
614 614  
615 -* RO is for relay. ROx=1 : close，ROx=0 always open.
540 +* RO is for relay. ROx=1 : close, ROx=0 always open.
616 616  * FIRST: Indicate this is the first packet after join network.
617 617  * (((
618 618  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -623,23 +623,17 @@
623 623  )))
624 624  
625 625  (((
626 -
627 -
628 628  **To use this mode, please run:**
629 629  )))
630 630  
554 +(((
631 631  (% class="box infomessage" %)
632 632  (((
633 -(((
634 -(((
635 635  **AT+MOD=5**
636 -)))
637 637  
638 -(((
639 639  **ATZ**
640 640  )))
641 641  )))
642 -)))
643 643  
644 644  (((
645 645  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -734,8 +734,8 @@
734 734  
735 735  MOD6 Payload : total 11 bytes payload
736 736  
737 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
738 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
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**
739 739  |Value|(((
740 740  TRI_A FLAG
741 741  )))|(((
... ... @@ -748,7 +748,7 @@
748 748  
749 749  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
750 750  
751 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
670 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
752 752  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
753 753  |(((
754 754  AV1_LOW
... ... @@ -777,7 +777,7 @@
777 777  
778 778  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
779 779  
780 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
699 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
781 781  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
782 782  |(((
783 783  AV1_LOW
... ... @@ -806,7 +806,7 @@
806 806  
807 807  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
808 808  
809 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
728 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
810 810  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
811 811  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
812 812  
... ... @@ -1063,7 +1063,7 @@
1063 1063  01: Low,  00: High ,  11: No action
1064 1064  
1065 1065  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1066 -|(% 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**
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**
1067 1067  |02  01  00  11|Low|High|No Action
1068 1068  |02  00  11  01|High|No Action|Low
1069 1069  |02  11  01  00|No Action|Low|High
... ... @@ -1106,7 +1106,7 @@
1106 1106  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1107 1107  
1108 1108  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1109 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1028 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1110 1110  |0x01|DO1 set to low
1111 1111  |0x00|DO1 set to high
1112 1112  |0x11|DO1 NO Action
... ... @@ -1114,7 +1114,7 @@
1114 1114  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1115 1115  
1116 1116  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1117 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1036 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1118 1118  |0x01|DO2 set to low
1119 1119  |0x00|DO2 set to high
1120 1120  |0x11|DO2 NO Action
... ... @@ -1122,7 +1122,7 @@
1122 1122  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1123 1123  
1124 1124  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1125 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1044 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1126 1126  |0x01|DO3 set to low
1127 1127  |0x00|DO3 set to high
1128 1128  |0x11|DO3 NO Action
... ... @@ -1159,7 +1159,7 @@
1159 1159  
1160 1160  
1161 1161  
1162 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1081 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1163 1163  
1164 1164  
1165 1165  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1177,10 +1177,10 @@
1177 1177  )))
1178 1178  
1179 1179  (((
1180 -01: Close ,  00: Open , 11: No action
1099 +00: Close ,  01: Open , 11: No action
1181 1181  
1182 1182  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1183 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1102 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1184 1184  |03  00  11|Open|No Action
1185 1185  |03  01  11|Close|No Action
1186 1186  |03  11  00|No Action|Open
... ... @@ -1451,7 +1451,6 @@
1451 1451  [[image:1653356838789-523.png||height="337" width="740"]]
1452 1452  
1453 1453  
1454 -
1455 1455  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1456 1456  
1457 1457  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1604,8 +1604,11 @@
1604 1604  
1605 1605  [[image:image-20230616235145-1.png]]
1606 1606  
1525 +(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1607 1607  
1527 +[[image:image-20240219115718-1.png]]
1608 1608  
1529 +
1609 1609  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1610 1610  
1611 1611  
... ... @@ -1680,12 +1680,9 @@
1680 1680  == 3.7 LEDs Indicators ==
1681 1681  
1682 1682  
1683 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1684 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
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**
1685 1685  |**PWR**|Always on if there is power
1686 -|**SYS**|(((
1687 -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.
1688 -)))
1689 1689  |**TX**|(((
1690 1690  (((
1691 1691  Device boot: TX blinks 5 times.
... ... @@ -1700,20 +1700,16 @@
1700 1700  )))
1701 1701  )))
1702 1702  |**RX**|RX blinks once when receive a packet.
1703 -|**DO1**|
1704 -|**DO2**|
1705 -|**DO3**|
1706 -|**DI2**|(((
1707 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
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
1708 1708  )))
1709 1709  |**DI2**|(((
1710 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1627 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1711 1711  )))
1712 -|**DI2**|(((
1713 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1714 -)))
1715 -|**RO1**|
1716 -|**RO2**|
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
1717 1717  
1718 1718  = 4. Use AT Command =
1719 1719  
... ... @@ -1724,10 +1724,6 @@
1724 1724  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.
1725 1725  )))
1726 1726  
1727 -(((
1728 -
1729 -)))
1730 -
1731 1731  [[image:1653358238933-385.png]]
1732 1732  
1733 1733  
... ... @@ -2046,8 +2046,6 @@
2046 2046  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2047 2047  
2048 2048  **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.**
2049 -
2050 -
2051 2051  )))
2052 2052  
2053 2053  (((
... ... @@ -2054,9 +2054,6 @@
2054 2054  [[image:1653359097980-169.png||height="188" width="729"]]
2055 2055  )))
2056 2056  
2057 -(((
2058 -
2059 -)))
2060 2060  
2061 2061  === 4.2.3 Change to Class A ===
2062 2062  
... ... @@ -2064,8 +2064,9 @@
2064 2064  (((
2065 2065  (% style="color:blue" %)**If sensor JOINED:**
2066 2066  
2067 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2068 -ATZ**
1972 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1973 +
1974 +(% style="background-color:#dcdcdc" %)**ATZ**
2069 2069  )))
2070 2070  
2071 2071  
... ... @@ -2118,7 +2118,6 @@
2118 2118  
2119 2119  (% 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:
2120 2120  
2121 -
2122 2122  [[image:1653360054704-518.png||height="186" width="745"]]
2123 2123  
2124 2124  
... ... @@ -2182,13 +2182,21 @@
2182 2182  
2183 2183  (((
2184 2184  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2090 +
2185 2185  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2092 +
2186 2186  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2094 +
2187 2187  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2096 +
2188 2188  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2098 +
2189 2189  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2100 +
2190 2190  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2102 +
2191 2191  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2104 +
2192 2192  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2193 2193  )))
2194 2194  
... ... @@ -2200,7 +2200,7 @@
2200 2200  [[image:1653360498588-932.png||height="485" width="726"]]
2201 2201  
2202 2202  
2203 -== 6.4 How to change the uplink interval？ ==
2116 +== 6.4 How to change the uplink interval? ==
2204 2204  
2205 2205  
2206 2206  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/]]
... ... @@ -2249,6 +2249,12 @@
2249 2249  Firmware version needs to be no less than 1.6.0.
2250 2250  
2251 2251  
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 +
2252 2252  = 7. Trouble Shooting =
2253 2253  )))
2254 2254  
... ... @@ -2289,6 +2289,13 @@
2289 2289  )))
2290 2290  
2291 2291  
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 +
2292 2292  = 8. Order Info =
2293 2293  
2294 2294  
... ... @@ -2342,5 +2342,3 @@
2342 2342  * 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]]
2343 2343  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2344 2344  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2345 -
2346 -
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