Changes for page How to connect 3rd party sensor to Dragino Wireless End Node
Last modified by Xiaoling on 2024/09/24 15:37
From version 7.1
edited by Karry Zhuang
on 2024/09/23 18:42
on 2024/09/23 18:42
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... ... @@ -159,6 +159,7 @@ 159 159 Humidity(SHT20 or SHT31) 160 160 )))|(% style="width:53px" %)Bat 161 161 162 + 162 162 === 2.1.4 MOD~=4 (3 x DS18B20) === 163 163 164 164 ... ... @@ -729,6 +729,7 @@ 729 729 b) If the output duration is more than 30 seconds, better to use external power source. 730 730 ))) 731 731 733 + 732 732 === 2.2.13 Working MOD === 733 733 734 734 ... ... @@ -753,98 +753,22 @@ 753 753 754 754 = 3. PS-LB-NA connects to third-party sensors = 755 755 756 -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. 757 757 758 758 759 -**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 766 766 767 -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. 768 768 769 769 770 -=== 2.3.5 0~~20mA value (IDC_IN) === 771 771 772 772 773 -(% style="color:#037691" %)**Payload Example**: 774 774 775 -27AE(H) = 10158 (D)/1000 = 10.158mA. 776 776 777 777 778 -[[image:image-20230821150704-1.png||height="180" width="609"]] 779 779 780 -**Connect to a 2 wire 4~~20mA sensor.** 781 781 782 -[[image:image-20230225154759-1.png||height="408" width="741"]] 783 783 784 -=== 2.3.6 0~~30V value ( pin VDC_IN) === 785 785 786 786 787 -Measure the voltage value. The range is 0 to 30V. 788 788 789 -(% style="color:#037691" %)**Example**: 790 790 791 -138E(H) = 5006(D)/1000= 5.006V 792 - 793 - 794 -=== 2.3.7 IN1&IN2&INT pin === 795 - 796 - 797 -IN1 and IN2 are used as digital input pins. 798 - 799 -(% style="color:#037691" %)**Example**: 800 - 801 -09 (H): (0x09&0x08)>>3=1 IN1 pin is high level. 802 - 803 -09 (H): (0x09&0x04)>>2=0 IN2 pin is low level. 804 - 805 - 806 -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. 807 - 808 -(% style="color:#037691" %)**Example:** 809 - 810 -09 (H): (0x09&0x02)>>1=1 The level of the interrupt pin. 811 - 812 -09 (H): 0x09&0x01=1 0x00: Normal uplink packet. 813 - 814 -0x01: Interrupt Uplink Packet. 815 - 816 - 817 -=== 2.3.8 Sensor value, FPORT~=7 === 818 - 819 - 820 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:504px" %) 821 -|(% style="background-color:#4f81bd; color:white; width:94px" %)((( 822 -**Size(bytes)** 823 -)))|(% style="background-color:#4f81bd; color:white; width:43px" %)**2**|(% style="background-color:#4f81bd; color:white; width:367px" %)**n** 824 -|(% style="background-color:#f2f2f2; width:94px" %)Value|(% style="background-color:#f2f2f2; width:43px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="background-color:#f2f2f2; width:367px" %)((( 825 -Voltage value, each 2 bytes is a set of voltage values. 826 -))) 827 - 828 -[[image:image-20230220171300-1.png||height="207" width="863"]] 829 - 830 -Multiple sets of data collected are displayed in this form: 831 - 832 -[voltage value1], [voltage value2], [voltage value3],…[voltage value n/2] 833 - 834 - 835 -=== 2.3.9 Decode payload in The Things Network === 836 - 837 - 838 -While using TTN network, you can add the payload format to decode the payload. 839 - 840 - 841 -[[image:1675144839454-913.png]] 842 - 843 - 844 -PS-LB-NA TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decode>>url:https://github.com/dragino/dragino-end-node-decoder]] 845 - 846 - 847 - 848 - 849 - 850 - 776 +