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From version < 13.3 >
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on 2022/05/23 17:46
To version < 3.1 >
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Summary

Details

Page properties
Content
... ... @@ -10,36 +10,27 @@
10 10  
11 11  == 1.1 What is LT Series I/O Controller ==
12 12  
13 -(((
14 14  The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
15 -)))
16 16  
17 -(((
18 18  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, smartphone detection, building automation, and so on.
19 -)))
20 20  
21 -(((
22 22  The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
23 -)))
24 24  
25 -(((
26 26  The use environment includes:
27 -)))
28 28  
29 -(((
30 30  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.
31 -)))
32 32  
33 -(((
34 34  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
35 -)))
36 36  
37 -(((
38 -[[image:1653295757274-912.png]]
39 -)))
40 40  
41 -== 1.2  Specifications ==
26 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
42 42  
28 +
29 +
30 +
31 +1.
32 +11. Specifications
33 +
43 43  **Hardware System:**
44 44  
45 45  * STM32L072CZT6 MCU
... ... @@ -46,8 +46,21 @@
46 46  * SX1276/78 Wireless Chip
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
40 +
41 +*
49 49  ** 20dB Transmit: 34mA@12v
50 50  
44 +
45 +**Interface for Model: LT33222-L:**
46 +
47 +* 3 x Digital Input ( Detect Low signal , Max, 6V)
48 +* 3 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
49 +* 2 x Relay Output (5A@250VAC / 30VDC)
50 +* 2 x 0~~20mA Analog Input (res:0.01mA)
51 +* 2 x 0~~30V Analog Input (res:0.01v)
52 +* Power Input 7~~ 24V DC.
53 +*
54 +
51 51  **Interface for Model: LT22222-L:**
52 52  
53 53  * 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
... ... @@ -57,6 +57,7 @@
57 57  * 2 x 0~~30V Analog Input (res:0.01v)
58 58  * Power Input 7~~ 24V DC.
59 59  
64 +
60 60  **LoRa Spec:**
61 61  
62 62  * Frequency Range:
... ... @@ -78,8 +78,9 @@
78 78  * Automatic RF Sense and CAD with ultra-fast AFC.
79 79  * Packet engine up to 256 bytes with CRC.
80 80  
81 -== 1.3 Features ==
82 82  
87 +*
88 +*1. Features
83 83  * LoRaWAN Class A & Class C protocol
84 84  * Optional Customized LoRa Protocol
85 85  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -88,8 +88,10 @@
88 88  * Firmware upgradable via program port
89 89  * Counting
90 90  
91 -== 1.4  Applications ==
92 92  
98 +
99 +*
100 +*1. Applications
93 93  * Smart Buildings & Home Automation
94 94  * Logistics and Supply Chain Management
95 95  * Smart Metering
... ... @@ -97,11 +97,26 @@
97 97  * Smart Cities
98 98  * Smart Factory
99 99  
100 -== 1.5 Hardware Variants ==
101 101  
102 -(% border="1" style="background-color:#f7faff; width:540px" %)
103 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
109 +
110 +
111 +1.
112 +11. Hardware Variants
113 +
114 +
115 +|**Model**|**Photo**|**Description**
116 +|**LT33222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]]|(((
117 +* 3 x Digital Input
118 +* 3 x Digital Output
119 +* 2 x Relay Output (5A@250VAC / 30VDC)
120 +* 2 x 0~~20mA Analog Input (res:0.01mA)
121 +* 2 x 0~~30V Analog Input (res:0.01v)
122 +* 1 x Counting Port
123 +)))
124 +
125 +
126 +|**Model**|**Photo**|**Description**
127 +|**LT22222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.jpg]]|(((
105 105  * 2 x Digital Input (Bi-direction)
106 106  * 2 x Digital Output
107 107  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -110,82 +110,126 @@
110 110  * 1 x Counting Port
111 111  )))
112 112  
113 -= 2. Power ON Device =
114 114  
137 +
138 +1.
139 +11. Firmware Change log
140 +
141 +[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
142 +
143 +http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
144 +
145 +
146 +**Change log:**
147 +
148 +[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog]]
149 +
150 +
151 +
152 +1. Power ON Device
153 +
154 +
115 115  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.
116 116  
117 -(((
118 118  PWR will on when device is properly powered.
119 -)))
120 120  
121 -[[image:1653297104069-180.png]]
159 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
122 122  
123 -= 3. Operation Mode =
124 124  
125 -== 3.1 How it works? ==
126 126  
127 -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 **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **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. 
128 128  
164 +
165 +1. Operation Mode
166 +11. How it works?
167 +
168 +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 TX LED will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. 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. 
169 +
170 +
129 129  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>>path:#AT_Command]] to set the keys in the devices.
130 130  
131 -3.2 Example to join LoRaWAN network
132 132  
174 +1.
175 +11. Example to join LoRaWAN network
176 +
133 133  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.
134 134  
135 -[[image:image-20220523172350-1.png||height="266" width="864"]]
179 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
136 136  
137 137  
138 -(((
139 139  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:
140 -)))
141 141  
142 -(((
143 143  **Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
144 -)))
145 145  
146 -(((
147 147  Each LT is shipped with a sticker with the default device EUI as below:
148 -)))
149 149  
150 -[[image:1653297924498-393.png]]
188 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
151 151  
190 +
191 +
192 +
152 152  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
153 153  
154 154  Add APP EUI in the application.
155 155  
156 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
157 157  
158 158  Add APP KEY and DEV EUI
159 159  
160 -[[image:1653298023685-319.png]]
201 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
161 161  
162 -(((
163 163  **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.
164 -)))
165 165  
166 -[[image:1653298044601-602.png||height="405" width="709"]]
205 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
167 167  
168 -== [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]3.3 Uplink Payload ==
169 169  
208 +1.
209 +11. Uplink Payload
210 +
170 170  There are five working modes + one interrupt mode on LT for different type application:
171 171  
172 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
173 -* **MOD2**: Double DI Counting + DO + RO
174 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
175 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
176 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
177 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
213 +* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
214 +* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
215 +* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
216 +* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
217 +* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
218 +* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
178 178  
179 -=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
180 180  
221 +1.
222 +11.
223 +111. AT+MOD=1, 2ACI+2AVI
224 +
181 181  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
182 182  
183 -[[image:image-20220523174024-3.png]]
184 184  
228 +|Size(bytes)|2|2|2|2|1|1|1
229 +|Value|(((
230 +AVI1
185 185  
232 +voltage
233 +)))|(((
234 +AVI2
235 +
236 +voltage
237 +)))|(((
238 +ACI1
239 +
240 +Current
241 +)))|(((
242 +ACI2
243 +
244 +Current
245 +)))|DIDORO*|(((
246 +Reserve
247 +
248 +
249 +)))|MOD
250 +
251 +
186 186  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
187 187  
188 -[[image:image-20220523174254-4.png]]
254 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
255 +|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
189 189  
190 190  * RO is for relay. ROx=1 : close，ROx=0 always open.
191 191  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -246,7 +246,6 @@
246 246  
247 247  Total : 11 bytes payload
248 248  
249 -(% border="1" style="background-color:#f7faff" %)
250 250  |Size(bytes)|4|4|1|1|1
251 251  |Value|COUNT1|COUNT2 |DIDORO*|(((
252 252  Reserve
... ... @@ -257,7 +257,6 @@
257 257  
258 258  **DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
259 259  
260 -(% border="1" style="background-color:#f7faff" %)
261 261  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
262 262  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
263 263  
... ... @@ -319,7 +319,6 @@
319 319  **LT22222-L**: This mode the DI1 is used as a counting pin.
320 320  
321 321  
322 -(% border="1" style="background-color:#f7faff" %)
323 323  |Size(bytes)|4|2|2|1|1|1
324 324  |Value|COUNT1|(((
325 325  ACI1
... ... @@ -334,7 +334,6 @@
334 334  
335 335  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
336 336  
337 -(% border="1" style="background-color:#f7faff" %)
338 338  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
339 339  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
340 340  
... ... @@ -369,7 +369,6 @@
369 369  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.
370 370  
371 371  
372 -(% border="1" style="background-color:#f7faff" %)
373 373  |Size(bytes)|4|4|1|1|1
374 374  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
375 375  Reserve
... ... @@ -380,7 +380,6 @@
380 380  
381 381  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
382 382  
383 -(% border="1" style="background-color:#f7faff" %)
384 384  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
385 385  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
386 386  
... ... @@ -423,7 +423,6 @@
423 423  **LT22222-L**: This mode the DI1 is used as a counting pin.
424 424  
425 425  
426 -(% border="1" style="background-color:#f7faff" %)
427 427  |Size(bytes)|2|2|2|2|1|1|1
428 428  |Value|(((
429 429  AVI1
... ... @@ -447,7 +447,6 @@
447 447  
448 448  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
449 449  
450 -(% border="1" style="background-color:#f7faff" %)
451 451  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
452 452  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
453 453  
... ... @@ -560,7 +560,6 @@
560 560  
561 561  MOD6 Payload : total 11 bytes payload
562 562  
563 -(% border="1" style="background-color:#f7faff" %)
564 564  |Size(bytes)|1|1|1|6|1|1
565 565  |Value|(((
566 566  TRI_A
... ... @@ -584,7 +584,6 @@
584 584  
585 585  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
586 586  
587 -(% border="1" style="background-color:#f7faff" %)
588 588  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
589 589  |(((
590 590  AV1_
... ... @@ -629,7 +629,6 @@
629 629  
630 630  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
631 631  
632 -(% border="1" style="background-color:#f7faff" %)
633 633  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
634 634  |(((
635 635  AV1_
... ... @@ -676,7 +676,6 @@
676 676  
677 677  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
678 678  
679 -(% border="1" style="background-color:#f7faff" %)
680 680  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
681 681  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
682 682  
... ... @@ -936,7 +936,6 @@
936 936  
937 937  01: Low,  00: High ,  11: No action
938 938  
939 -(% border="1" style="background-color:#f7faff" %)
940 940  |Downlink Code|DO1|DO2|DO3
941 941  |02  01  00  11|Low|High|No Action
942 942  |02  00  11  01|High|No Action|Low
... ... @@ -974,7 +974,6 @@
974 974  
975 975  **Third Byte**: Control Method and Ports status:
976 976  
977 -(% border="1" style="background-color:#f7faff" %)
978 978  |Second Byte|Status
979 979  |0x01|DO1 set to low
980 980  |0x00|DO1 set to high
... ... @@ -983,7 +983,6 @@
983 983  
984 984  **Fourth Byte**: Control Method and Ports status:
985 985  
986 -(% border="1" style="background-color:#f7faff" %)
987 987  |Second Byte|Status
988 988  |0x01|DO2 set to low
989 989  |0x00|DO2 set to high
... ... @@ -992,7 +992,6 @@
992 992  
993 993  **Fifth Byte**: Control Method and Ports status:
994 994  
995 -(% border="1" style="background-color:#f7faff" %)
996 996  |Second Byte|Status
997 997  |0x01|DO3 set to low
998 998  |0x00|DO3 set to high
... ... @@ -1045,7 +1045,6 @@
1045 1045  
1046 1046  01: Close ,  00: Open , 11: No action
1047 1047  
1048 -(% border="1" style="background-color:#f7faff" %)
1049 1049  |Downlink Code|RO1|RO2
1050 1050  |03  00  11|Open|No Action
1051 1051  |03  01  11|Close|No Action
... ... @@ -1083,7 +1083,6 @@
1083 1083  
1084 1084  **Third Byte(bb)**: Control Method and Ports status:
1085 1085  
1086 -(% border="1" style="background-color:#f7faff" %)
1087 1087  |Value|Status
1088 1088  |0x11|RO1 and RO2 to NO
1089 1089  |0x10|RO2 to NO, RO1 to NC
... ... @@ -1372,7 +1372,6 @@
1372 1372  11. LEDs Indicators
1373 1373  
1374 1374  
1375 -(% border="1" style="background-color:#f7faff" %)
1376 1376  |**LEDs**|**Feature**
1377 1377  |**PWR**|Always on if there is power
1378 1378  |**SYS**|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.
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