Dragino LT22222-L User Manual

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LT Series LoRa IO controller User Manual 19 / 42
Type Code 03:
If payload = 0x030100, it means set RO1 to close and RO2 to open.
01: Close , 00: Open , 11: No action
Downlink Code
RO1
RO2
03 00 11
Open
No Action
03 01 11
Close
No Action
03 11 00
No Action
Open
03 11 01
No Action
Close
03 00 00
Open
Open
03 01 01
Close
Close
03 01 00
Close
Open
03 00 01
Open
Close
Device will upload a packet if downlink code execute successfully.
Type Code 04:
If payload = 0x04FF, it will reset the LT.
Type Code 05:
This is to control the relay output time of relay. Include four bytes:
First Byte: Type code (0x05)
Second Byte: Inverter Mode
01: Relays will change back to original state after timeout.
00: Relays will change to an inverter state after timeout
Third Byte: Control Method and Ports status:
Value
Status
0x11
RO1 and RO2 to NO
0x10
RO2 to NO, RO1 to NC
0x01
RO2 to NC, RO1 to NO
0x00
RO1 and RO2 to NC.
0x20
RO1 No Action, RO2 to NC
0x21
RO1 No Action, RO2 to NO
0x02
RO1 to NC, RO2 No Action
0x12
RO1 to NO, RO2 No Action
Fourth / Fifth Bytes: Latching time. Unit: ms
Device will upload a packet if downlink code execute successfully.
Example payload:
a) 05 01 11 07 D0

Dragino LT22222-L Specifications

General

Brand	Dragino
Model	LT22222-L
Category	Controller
Language	English