Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -45,114 +45,44 @@ 45 45 46 46 == 1.2 Specifications == 47 47 48 -((( 49 49 **Hardware System:** 50 -))) 51 51 52 -* ((( 53 -STM32L072CZT6 MCU 54 -))) 55 -* ((( 56 -SX1276/78 Wireless Chip 57 -))) 58 -* ((( 59 -((( 60 -Power Consumption: 61 -))) 50 +* STM32L072CZT6 MCU 51 +* SX1276/78 Wireless Chip 52 +* Power Consumption: 53 +** Idle: 4mA@12v 54 +** 20dB Transmit: 34mA@12v 62 62 63 -* ((( 64 -Idle: 4mA@12v 65 -))) 66 -* ((( 67 -20dB Transmit: 34mA@12v 68 -))) 69 -))) 70 - 71 -((( 72 72 **Interface for Model: LT22222-L:** 73 -))) 74 74 75 -* ((( 76 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 77 -))) 78 -* ((( 79 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 80 -))) 81 -* ((( 82 -2 x Relay Output (5A@250VAC / 30VDC) 83 -))) 84 -* ((( 85 -2 x 0~~20mA Analog Input (res:0.01mA) 86 -))) 87 -* ((( 88 -2 x 0~~30V Analog Input (res:0.01v) 89 -))) 90 -* ((( 91 -Power Input 7~~ 24V DC. 92 -))) 58 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 59 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 60 +* 2 x Relay Output (5A@250VAC / 30VDC) 61 +* 2 x 0~~20mA Analog Input (res:0.01mA) 62 +* 2 x 0~~30V Analog Input (res:0.01v) 63 +* Power Input 7~~ 24V DC. 93 93 94 -((( 95 95 **LoRa Spec:** 96 -))) 97 97 98 -* ((( 99 -((( 100 -Frequency Range: 101 -))) 67 +* Frequency Range: 68 +** Band 1 (HF): 862 ~~ 1020 Mhz 69 +** Band 2 (LF): 410 ~~ 528 Mhz 70 +* 168 dB maximum link budget. 71 +* +20 dBm - 100 mW constant RF output vs. 72 +* +14 dBm high efficiency PA. 73 +* Programmable bit rate up to 300 kbps. 74 +* High sensitivity: down to -148 dBm. 75 +* Bullet-proof front end: IIP3 = -12.5 dBm. 76 +* Excellent blocking immunity. 77 +* Low RX current of 10.3 mA, 200 nA register retention. 78 +* Fully integrated synthesizer with a resolution of 61 Hz. 79 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 80 +* Built-in bit synchronizer for clock recovery. 81 +* Preamble detection. 82 +* 127 dB Dynamic Range RSSI. 83 +* Automatic RF Sense and CAD with ultra-fast AFC. 84 +* Packet engine up to 256 bytes with CRC. 102 102 103 -* ((( 104 -Band 1 (HF): 862 ~~ 1020 Mhz 105 -))) 106 -* ((( 107 -Band 2 (LF): 410 ~~ 528 Mhz 108 -))) 109 -))) 110 -* ((( 111 -168 dB maximum link budget. 112 -))) 113 -* ((( 114 -+20 dBm - 100 mW constant RF output vs. 115 -))) 116 -* ((( 117 -+14 dBm high efficiency PA. 118 -))) 119 -* ((( 120 -Programmable bit rate up to 300 kbps. 121 -))) 122 -* ((( 123 -High sensitivity: down to -148 dBm. 124 -))) 125 -* ((( 126 -Bullet-proof front end: IIP3 = -12.5 dBm. 127 -))) 128 -* ((( 129 -Excellent blocking immunity. 130 -))) 131 -* ((( 132 -Low RX current of 10.3 mA, 200 nA register retention. 133 -))) 134 -* ((( 135 -Fully integrated synthesizer with a resolution of 61 Hz. 136 -))) 137 -* ((( 138 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 139 -))) 140 -* ((( 141 -Built-in bit synchronizer for clock recovery. 142 -))) 143 -* ((( 144 -Preamble detection. 145 -))) 146 -* ((( 147 -127 dB Dynamic Range RSSI. 148 -))) 149 -* ((( 150 -Automatic RF Sense and CAD with ultra-fast AFC. 151 -))) 152 -* ((( 153 -Packet engine up to 256 bytes with CRC. 154 -))) 155 - 156 156 == 1.3 Features == 157 157 158 158 * LoRaWAN Class A & Class C protocol ... ... @@ -199,21 +199,13 @@ 199 199 200 200 == 3.1 How it works? == 201 201 202 -((( 203 203 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. 204 -))) 205 205 206 -((( 207 207 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:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices. 208 -))) 209 209 210 -((( 211 211 3.2 Example to join LoRaWAN network 212 -))) 213 213 214 -((( 215 215 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. 216 -))) 217 217 218 218 [[image:image-20220523172350-1.png||height="266" width="864"]] 219 219 ... ... @@ -313,9 +313,7 @@ 313 313 314 314 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 315 315 316 -((( 317 317 Total : 11 bytes payload 318 -))) 319 319 320 320 [[image:image-20220523180452-3.png]] 321 321 ... ... @@ -329,77 +329,53 @@ 329 329 * FIRST: Indicate this is the first packet after join network. 330 330 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 331 331 332 -((( 333 333 (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L. 334 -))) 335 335 336 -((( 337 337 **To use counting mode, please run:** 338 -))) 339 339 340 340 (% class="box infomessage" %) 341 341 ((( 342 -((( 343 343 **AT+MOD=2** 344 344 ))) 345 -))) 346 346 347 347 (% class="box infomessage" %) 348 348 ((( 349 -((( 350 350 **ATZ** 351 351 ))) 352 -))) 353 353 354 -((( 355 355 (% style="color:#4f81bd" %)**AT Commands for counting:** 356 -))) 357 357 358 -((( 359 359 **For LT22222-L:** 360 -))) 361 361 362 362 (% class="box infomessage" %) 363 363 ((( 364 -((( 365 365 **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 366 366 ))) 367 -))) 368 368 369 369 (% class="box infomessage" %) 370 370 ((( 371 -((( 372 372 **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 373 373 ))) 374 -))) 375 375 376 376 (% class="box infomessage" %) 377 377 ((( 378 -((( 379 379 **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 380 380 ))) 381 -))) 382 382 383 383 (% class="box infomessage" %) 384 384 ((( 385 -((( 386 386 **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 387 387 ))) 388 -))) 389 389 390 390 (% class="box infomessage" %) 391 391 ((( 392 -((( 393 393 **AT+SETCNT=1,60 (Set COUNT1 value to 60)** 394 394 ))) 395 -))) 396 396 397 397 (% class="box infomessage" %) 398 398 ((( 399 -((( 400 400 **AT+SETCNT=2,60 (Set COUNT2 value to 60)** 401 401 ))) 402 -))) 403 403 404 404 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 405 405 ... ... @@ -587,7 +587,7 @@ 587 587 588 588 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 589 589 590 - **Example2**: AA 02 01 00486 +Example2: AA 02 01 00 591 591 592 592 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 593 593 ... ... @@ -1147,7 +1147,7 @@ 1147 1147 1148 1148 [[image:image-20220524094641-12.png||height="402" width="718"]] 1149 1149 1150 -**Step 3**: Create an account or log in Mydevices.1046 +**Step **3: Create an account or log in Mydevices. 1151 1151 1152 1152 **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1153 1153 ... ... @@ -1157,6 +1157,7 @@ 1157 1157 1158 1158 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1159 1159 1056 + 1160 1160 [[image:image-20220524094909-1.png||height="335" width="729"]] 1161 1161 1162 1162 [[image:image-20220524094909-2.png||height="337" width="729"]] ... ... @@ -1167,6 +1167,10 @@ 1167 1167 1168 1168 [[image:image-20220524094909-5.png||height="341" width="734"]] 1169 1169 1067 + 1068 + 1069 + 1070 + 1170 1170 == 3.6 Interface Detail == 1171 1171 1172 1172 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1182,10 +1182,8 @@ 1182 1182 ))) 1183 1183 1184 1184 ((( 1185 -((( 1186 1186 Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high 1187 1187 ))) 1188 -))) 1189 1189 1190 1190 [[image:1653357170703-587.png]] 1191 1191 ... ... @@ -1217,9 +1217,9 @@ 1217 1217 1218 1218 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1219 1219 1220 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1221 1221 1222 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1223 1223 1224 1224 1225 1225 **Example3**: Connect to a 220v high active sensor. ... ... @@ -1231,7 +1231,7 @@ 1231 1231 1232 1232 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1233 1233 1234 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1235 1235 1236 1236 If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K. = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely. 1237 1237 ... ... @@ -1655,6 +1655,10 @@ 1655 1655 ))) 1656 1656 1657 1657 ((( 1557 + 1558 +))) 1559 + 1560 +((( 1658 1658 (% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device. 1659 1659 ))) 1660 1660 ... ... @@ -1688,7 +1688,7 @@ 1688 1688 ))) 1689 1689 1690 1690 ((( 1691 -= 6. Trouble Shooting = 1594 += 6. Trouble Shooting = 1692 1692 ))) 1693 1693 1694 1694 ((( ... ... @@ -1737,43 +1737,43 @@ 1737 1737 1738 1738 ((( 1739 1739 ((( 1740 - (% style="color:#4f81bd" %)**LT-22222-L-XXX:**1643 +**LT-22222-L-XXX:** 1741 1741 ))) 1742 1742 ))) 1743 1743 1744 1744 ((( 1745 1745 ((( 1746 - (% style="color:#4f81bd" %)**XXX:**1649 +**XXX:** 1747 1747 ))) 1748 1748 ))) 1749 1749 1750 1750 * ((( 1751 - (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU4331654 +**EU433**: LT with frequency bands EU433 1752 1752 ))) 1753 1753 * ((( 1754 - (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU8681657 +**EU868**: LT with frequency bands EU868 1755 1755 ))) 1756 1756 * ((( 1757 - (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR9201660 +**KR920**: LT with frequency bands KR920 1758 1758 ))) 1759 1759 * ((( 1760 - (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN4701663 +**CN470**: LT with frequency bands CN470 1761 1761 ))) 1762 1762 * ((( 1763 - (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS9231666 +**AS923**: LT with frequency bands AS923 1764 1764 ))) 1765 1765 * ((( 1766 - (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU9151669 +**AU915**: LT with frequency bands AU915 1767 1767 ))) 1768 1768 * ((( 1769 - (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US9151672 +**US915**: LT with frequency bands US915 1770 1770 ))) 1771 1771 * ((( 1772 - (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN8651675 +**IN865**: LT with frequency bands IN865 1773 1773 ))) 1774 1774 1775 1775 ((( 1776 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN7791679 +* **CN779**: LT with frequency bands CN779 1777 1777 1778 1778 = 8. Packing Info = 1779 1779 ))) ... ... @@ -1784,14 +1784,26 @@ 1784 1784 ))) 1785 1785 ))) 1786 1786 1690 +* ((( 1787 1787 ((( 1692 +LT I/O Controller x 1 1693 +))) 1694 +))) 1695 +* ((( 1788 1788 ((( 1789 -* LT-22222-L I/O Controller x 1 1790 -* Stick Antenna for LoRa RF part x 1 1791 -* Bracket for controller x1 1792 -* Program cable x 1 1697 +Stick Antenna for LoRa RF part x 1 1793 1793 ))) 1794 1794 ))) 1700 +* ((( 1701 +((( 1702 +Bracket for controller x1 1703 +))) 1704 +))) 1705 +* ((( 1706 +((( 1707 +Program cable x 1 1708 +))) 1709 +))) 1795 1795 1796 1796 ((( 1797 1797 (((