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Author

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1		-XWiki.Bei
	1	+XWiki.Edwin

Content

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15	15
16	16	= 1.Introduction =
17	17
	18	+
18	18	== 1.1 What is LT Series I/O Controller ==
19	19
20	20	(((
...	...	@@ -57,7 +57,7 @@
57	57	(((
58	58
59	59
60		-**Hardware System:**
	61	+(% style="color:#037691" %)**Hardware System:**
61	61	)))
62	62
63	63	* (((
...	...	@@ -82,7 +82,7 @@
82	82	(((
83	83
84	84
85		-**Interface for Model: LT22222-L:**
	86	+(% style="color:#037691" %)**Interface for Model: LT22222-L:**
86	86	)))
87	87
88	88	* (((
...	...	@@ -107,7 +107,7 @@
107	107	(((
108	108
109	109
110		-**LoRa Spec:**
	111	+(% style="color:#037691" %)**LoRa Spec:**
111	111	)))
112	112
113	113	* (((
...	...	@@ -212,6 +212,7 @@
212	212	)))
213	213
214	214
	216	+
215	215	= 2. Power ON Device =
216	216
217	217
...	...	@@ -219,6 +219,8 @@
219	219
220	220	(((
221	221	PWR will on when device is properly powered.
	224	+
	225	+
222	222	)))
223	223
224	224	[[image:1653297104069-180.png]]
...	...	@@ -227,6 +227,7 @@
227	227
228	228	= 3. Operation Mode =
229	229
	234	+
230	230	== 3.1 How it works? ==
231	231
232	232
...	...	@@ -323,8 +323,9 @@
323	323	* DI is for digital input. DIx=1: high or float, DIx=0: low.
324	324	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
325	325
326		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
327	327
	332	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	333	+
328	328	For example if payload is: [[image:image-20220523175847-2.png]]
329	329
330	330
...	...	@@ -343,6 +343,7 @@
343	343	* [1] RO1 relay channel is close and the RO1 LED is ON.
344	344	* [0] RO2 relay channel is open and RO2 LED is OFF;
345	345
	352	+
346	346	**LT22222-L:**
347	347
348	348	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -360,6 +360,7 @@
360	360
361	361
362	362
	370	+
363	363	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
364	364
365	365
...	...	@@ -383,7 +383,7 @@
383	383	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
384	384
385	385	(((
386		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	394	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
387	387	)))
388	388
389	389	(((
...	...	@@ -405,6 +405,8 @@
405	405
406	406
407	407	(% style="color:#4f81bd" %)**AT Commands for counting:**
	416	+
	417	+
408	408	)))
409	409
410	410	(((
...	...	@@ -446,7 +446,7 @@
446	446	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
447	447
448	448	(((
449		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	459	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
450	450	)))
451	451
452	452
...	...	@@ -490,7 +490,7 @@
490	490	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491	491
492	492	(((
493		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	503	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
494	494	)))
495	495
496	496	(((
...	...	@@ -551,7 +551,7 @@
551	551	)))
552	552
553	553	(((
554		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	564	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
555	555	)))
556	556
557	557	(((
...	...	@@ -585,11 +585,14 @@
585	585	* **AT+MOD=1 ** **~-~->**  The normal working mode
586	586	* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
587	587
	598	+
588	588	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
589	589
590	590	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
591	591	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
592	592
	604	+
	605	+
593	593	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
594	594
595	595
...	...	@@ -597,6 +597,7 @@
597	597
598	598	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
599	599
	613	+
600	600	**Example:**
601	601
602	602	AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
...	...	@@ -609,6 +609,7 @@
609	609
610	610	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
611	611
	626	+
612	612	**Example:**
613	613
614	614	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -627,6 +627,7 @@
627	627	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
628	628
629	629
	645	+
630	630	(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
631	631
632	632	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
...	...	@@ -670,11 +670,13 @@
670	670
671	671	* Each bits shows if the corresponding trigger has been configured.
672	672
	689	+
673	673	**Example:**
674	674
675	675	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
676	676
677	677
	695	+
678	678	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
679	679
680	680	[[image:image-20220524090249-3.png]]
...	...	@@ -681,11 +681,13 @@
681	681
682	682	* Each bits shows which status has been trigger on this uplink.
683	683
	702	+
684	684	**Example:**
685	685
686	686	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
687	687
688	688
	708	+
689	689	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
690	690
691	691	[[image:image-20220524090456-4.png]]
...	...	@@ -692,6 +692,7 @@
692	692
693	693	* Each bits shows which status has been trigger on this uplink.
694	694
	715	+
695	695	**Example:**
696	696
697	697	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
...	...	@@ -699,6 +699,7 @@
699	699	00000101: Means both DI1 and DI2 trigger are enabled.
700	700
701	701
	723	+
702	702	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
703	703
704	704	Downlink command to poll MOD6 status:
...	...	@@ -709,6 +709,7 @@
709	709
710	710
711	711
	734	+
712	712	=== 3.3.7 Payload Decoder ===
713	713
714	714	(((
...	...	@@ -733,6 +733,7 @@
733	733	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
734	734
735	735
	759	+
736	736	=== 3.4.1 Common Commands ===
737	737
738	738
...	...	@@ -795,6 +795,7 @@
795	795
796	796	**0x08 FF     **~/~/ Poll an uplink
797	797
	822	+
798	798	**Example**: 0x08FF, ask device to send an Uplink
799	799
800	800
...	...	@@ -961,7 +961,7 @@
961	961	(((
962	962
963	963
964		-(% style="color:red" %)Note: ATDC setting must be more than 5min
	989	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
965	965	)))
966	966
967	967
...	...	@@ -989,11 +989,11 @@
989	989	[[image:image-20220524092754-5.png]]
990	990
991	991	(((
992		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1017	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
993	993	)))
994	994
995	995	(((
996		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1021	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
997	997	)))
998	998
999	999
...	...	@@ -1038,11 +1038,11 @@
1038	1038	[[image:image-20220524093351-8.png]]
1039	1039
1040	1040
1041		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1066	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1042	1042
1043	1043	Latching time. Unit: ms
1044	1044
1045		-Device will upload a packet if downlink code executes successfully.
	1070	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1046	1046
1047	1047
1048	1048	**Example payload:**
...	...	@@ -1091,7 +1091,7 @@
1091	1091	[[image:image-20220524093724-9.png]]
1092	1092	)))
1093	1093
1094		-Device will upload a packet if downlink code executes successfully.
	1119	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1095	1095
1096	1096
1097	1097
...	...	@@ -1125,9 +1125,9 @@
1125	1125	[[image:image-20220714135731-1.png||height="406" width="627"]]
1126	1126
1127	1127
1128		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1153	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1129	1129
1130		-Device will upload a packet if downlink code executes successfully.
	1155	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1131	1131
1132	1132
1133	1133	**Example payload:**
...	...	@@ -1150,7 +1150,6 @@
1150	1150
1151	1151
1152	1152
1153		-
1154	1154	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1155	1155
1156	1156
...	...	@@ -1223,11 +1223,14 @@
1223	1223	(((
1224	1224	range: aa bb cc:0 to 16777215,  (unit:second)
1225	1225
	1250	+
	1251	+
1226	1226
1227	1227	)))
1228	1228
1229	1229	==== 3.4.2.20 Reset save DR DO state ====
1230	1230
	1257	+
1231	1231	* (% style="color:#037691" %)**AT Command:**
1232	1232
1233	1233	**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
...	...	@@ -1242,8 +1242,11 @@
1242	1242	(((
1243	1243
1244	1244
	1272	+
	1273	+
1245	1245	==== 3.4.2.21 Encrypted payload ====
1246	1246
	1276	+
1247	1247	* (% style="color:#037691" %)**AT Command:**
1248	1248
1249	1249	**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
...	...	@@ -1251,8 +1251,11 @@
1251	1251	**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1252	1252
1253	1253
	1284	+
	1285	+
1254	1254	==== 3.4.2.22 Get sensor value ====
1255	1255
	1288	+
1256	1256	* (% style="color:#037691" %)**AT Command:**
1257	1257
1258	1258	**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
...	...	@@ -1260,8 +1260,11 @@
1260	1260	**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1261	1261
1262	1262
	1296	+
	1297	+
1263	1263	==== 3.4.2.23 Resets the downlink packet count ====
1264	1264
	1300	+
1265	1265	* (% style="color:#037691" %)**AT Command:**
1266	1266
1267	1267	**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
...	...	@@ -1269,8 +1269,11 @@
1269	1269	**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1270	1270
1271	1271
	1308	+
	1309	+
1272	1272	==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1273	1273
	1312	+
1274	1274	* (% style="color:#037691" %)**AT Command:**
1275	1275
1276	1276	**AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
...	...	@@ -1282,8 +1282,12 @@
1282	1282
1283	1283	**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1284	1284
	1324	+
	1325	+
	1326	+
1285	1285	==== 3.4.2.25 Copy downlink to uplink ====
1286	1286
	1329	+
1287	1287	* (% style="color:#037691" %)**AT Command**(%%)**:**
1288	1288
1289	1289	**AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
...	...	@@ -1302,11 +1302,16 @@
1302	1302
1303	1303	==== 3.4.2.26 Query version number and frequency band 、TDC ====
1304	1304
	1348	+
1305	1305	* (((
1306		-(% style="color:#037691" %)**Downlink Payload**(%%)**: 26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1350	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1351	+
	1352	+**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1353	+
	1354	+
1307	1307	)))
1308	1308
1309		-Example：
	1357	+**Example：**
1310	1310
1311	1311	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1312	1312
...	...	@@ -1412,10 +1412,10 @@
1412	1412	)))
1413	1413
1414	1414	* (((
1415		-Connect sensor’s output to DI1-
	1463	+Connect sensor's output to DI1-
1416	1416	)))
1417	1417	* (((
1418		-Connect sensor’s VCC to DI1+.
	1466	+Connect sensor's VCC to DI1+.
1419	1419	)))
1420	1420
1421	1421	(((
...	...	@@ -1423,11 +1423,11 @@
1423	1423	)))
1424	1424
1425	1425	(((
1426		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1474	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1427	1427	)))
1428	1428
1429	1429	(((
1430		-If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1478	+If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1431	1431	)))
1432	1432
1433	1433	(((
...	...	@@ -1445,10 +1445,10 @@
1445	1445	)))
1446	1446
1447	1447	* (((
1448		-Connect sensor’s output to DI1+
	1496	+Connect sensor's output to DI1+
1449	1449	)))
1450	1450	* (((
1451		-Connect sensor’s GND DI1-.
	1499	+Connect sensor's GND DI1-.
1452	1452	)))
1453	1453
1454	1454	(((
...	...	@@ -1478,10 +1478,10 @@
1478	1478	)))
1479	1479
1480	1480	* (((
1481		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1529	+Connect sensor's output to DI1+ with a serial 50K resistor
1482	1482	)))
1483	1483	* (((
1484		-Connect sensor’s GND DI1-.
	1532	+Connect sensor's GND DI1-.
1485	1485	)))
1486	1486
1487	1487	(((
...	...	@@ -1548,6 +1548,7 @@
1548	1548
1549	1549	[[image:image-20220524100215-9.png]]
1550	1550
	1599	+
1551	1551	[[image:image-20220524100215-10.png||height="382" width="723"]]
1552	1552
1553	1553
...	...	@@ -1921,7 +1921,7 @@
1921	1921
1922	1922	(((
1923	1923	(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1924		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1973	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1925	1925	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1926	1926
1927	1927
...	...	@@ -1977,6 +1977,7 @@
1977	1977	(((
1978	1978	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1979	1979
	2029	+
1980	1980
1981	1981	)))
1982	1982	)))
...	...	@@ -1983,10 +1983,14 @@
1983	1983
1984	1984	(((
1985	1985	(% style="color:blue" %)**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.
	2036	+
	2037	+
1986	1986	)))
1987	1987
1988	1988	(((
1989	1989	[[image:1653360231087-571.png||height="401" width="727"]]
	2042	+
	2043	+
1990	1990	)))
1991	1991
1992	1992	(((
...	...	@@ -1994,8 +1994,11 @@
1994	1994	)))
1995	1995
1996	1996
	2051	+
1997	1997	(((
1998	1998	(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2054	+
	2055	+
1999	1999	)))
2000	2000
2001	2001	(((
...	...	@@ -2050,8 +2050,18 @@
2050	2050	After restart, the status before power failure will be read from flash.
2051	2051
2052	2052
	2110	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2053	2053
	2112	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2113	+
	2114	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2115	+
	2116	+
	2117	+
	2118	+
2054	2054	= 6. Trouble Shooting =
	2120	+
	2121	+
2055	2055	)))
2056	2056
2057	2057	(((
...	...	@@ -2111,6 +2111,8 @@
2111	2111	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2112	2112	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2113	2113
	2181	+
	2182	+
2114	2114	= 8. Packing Info =
2115	2115
2116	2116
...	...	@@ -2128,6 +2128,8 @@
2128	2128	* Package Size / pcs : 14.5 x 8 x 5 cm
2129	2129	* Weight / pcs : 170g
2130	2130
	2200	+
	2201	+
2131	2131	= 9. Support =
2132	2132
2133	2133
...	...	@@ -2149,4 +2149,3 @@
2149	2149	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2150	2150	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2151	2151
2152		-

image-20221006170630-1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Edwin

Size

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	1	+486.5 KB

Content