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Last modified by Xiaoling on 2024/09/24 15:37
From version 5.2
edited by Xiaoling
on 2024/09/23 17:27
Change comment: There is no comment for this version
To version 6.1
edited by Karry Zhuang
on 2024/09/23 18:35
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.karry
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159 159  Humidity(SHT20 or SHT31)
160 160  )))|(% style="width:53px" %)Bat
161 161  
162 -
163 163  === 2.1.4 MOD~=4 (3 x DS18B20) ===
164 164  
165 165  
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730 730  b) If the output duration is more than 30 seconds, better to use external power source. 
731 731  )))
732 732  
733 -
734 734  === 2.2.13 Working MOD ===
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736 736  
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755 755  
756 756  = 3. PS-LB-NA connects to third-party sensors =
757 757  
756 +PS-LB-NA might connect to different kind of probes, 4~~20mA represent the full scale of the measuring range. So a 12mA output means different meaning for different probe. 
758 758  
759 759  
759 +**For example.**
760 760  
761 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
762 +|(% style="background-color:#4f81bd; color:white; width:150px" %)**Probe Type**|(% style="background-color:#4f81bd; color:white; width:150px" %)**4~~20mA scale for this probe**|(% style="background-color:#4f81bd; color:white; width:200px" %)**Example: 12mA actually meaning for this probe**
763 +|(% style="background-color:#f2f2f2; width:206px" %)PH Combination Electrodes|(% style="background-color:#f2f2f2; width:222px" %)0 ~~ 14 pH|(% style="background-color:#f2f2f2; width:356px" %)PH Value: 7
764 +|(% style="background-color:#f2f2f2; width:206px" %)Water Pressure Sensor|(% style="background-color:#f2f2f2; width:222px" %)0~~5 meters|(% style="background-color:#f2f2f2; width:356px" %)2.5 meters pure water
765 +|(% style="background-color:#f2f2f2; width:206px" %)Pressure transmitter probe|(% style="background-color:#f2f2f2; width:222px" %)0~~1MPa|(% style="background-color:#f2f2f2; width:356px" %)0.5MPa air / gas or water pressure
761 761  
767 +User can set different probe model for above probes. So IoT server is able to se identical how it should parse the 4~~20mA or 0~~30v sensor value and get the correct value.
762 762  
763 763  
770 +=== 2.3.5 0~~20mA value (IDC_IN) ===
764 764  
765 765  
773 +(% style="color:#037691" %)**Payload Example**:
766 766  
775 +27AE(H) = 10158 (D)/1000 = 10.158mA.
767 767  
768 768  
778 +[[image:image-20230821150704-1.png||height="180" width="609"]]
769 769  
780 +**Connect to a 2 wire 4~~20mA sensor.**
770 770  
782 +[[image:image-20230225154759-1.png||height="408" width="741"]]
771 771  
772 772  
785 +=== 2.3.6 0~~30V value ( pin VDC_IN) ===
773 773  
774 774  
788 +Measure the voltage value. The range is 0 to 30V.
775 775  
790 +(% style="color:#037691" %)**Example**:
791 +
792 +138E(H) = 5006(D)/1000= 5.006V
793 +
794 +
795 +=== 2.3.7 IN1&IN2&INT pin ===
796 +
797 +
798 +IN1 and IN2 are used as digital input pins.
799 +
800 +(% style="color:#037691" %)**Example**:
801 +
802 +09 (H): (0x09&0x08)>>3=1    IN1 pin is high level.
803 +
804 +09 (H): (0x09&0x04)>>2=0    IN2 pin is low level.
805 +
806 +
807 +This data field shows if this packet is generated by (% style="color:blue" %)**Interrupt Pin** (%%)or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up. Note: The Internet Pin is a separate pin in the screw terminal.
808 +
809 +(% style="color:#037691" %)**Example:**
810 +
811 +09 (H): (0x09&0x02)>>1=1    The level of the interrupt pin.
812 +
813 +09 (H): 0x09&0x01=1              0x00: Normal uplink packet.
814 +
815 +0x01: Interrupt Uplink Packet.
816 +
817 +
818 +=== 2.3.8 Sensor value, FPORT~=7 ===
819 +
820 +
821 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:504px" %)
822 +|(% style="background-color:#4f81bd; color:white; width:94px" %)(((
823 +**Size(bytes)**
824 +)))|(% style="background-color:#4f81bd; color:white; width:43px" %)**2**|(% style="background-color:#4f81bd; color:white; width:367px" %)**n**
825 +|(% style="background-color:#f2f2f2; width:94px" %)Value|(% style="background-color:#f2f2f2; width:43px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="background-color:#f2f2f2; width:367px" %)(((
826 +Voltage value, each 2 bytes is a set of voltage values.
827 +)))
828 +
829 +[[image:image-20230220171300-1.png||height="207" width="863"]]
830 +
831 +Multiple sets of data collected are displayed in this form：
832 +
833 +[voltage value1], [voltage value2], [voltage value3],…[voltage value n/2]
834 +
835 +
836 +=== 2.3.9 ​Decode payload in The Things Network ===
837 +
838 +
839 +While using TTN network, you can add the payload format to decode the payload.
840 +
841 +
842 +[[image:1675144839454-913.png]]
843 +
844 +
845 +PS-LB-NA TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
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