Changes for page PS-LB/LS -- LoRaWAN Air Water Pressure Sensor User Manual
Last modified by Xiaoling on 2025/04/27 10:31
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... ... @@ -41,7 +41,7 @@ 41 41 ))) 42 42 43 43 ((( 44 -PS-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery **(%%)or (% style="color:blue" %)**solar powered + li-on battery **(%%), it is designed for long term use up to 5 years.44 +PS-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery **(%%)or (% style="color:blue" %)**solar powered + Li-ion battery **(%%), it is designed for long term use up to 5 years. 45 45 ))) 46 46 47 47 ((( ... ... @@ -67,7 +67,7 @@ 67 67 * Downlink to change configure 68 68 * Controllable 3.3v,5v and 12v output to power external sensor 69 69 * 8500mAh Li/SOCl2 Battery (PS-LB) 70 -* Solar panel + 3000mAh Li-on battery (PS-LS) 70 +* Solar panel + 3000mAh Li-ion battery (PS-LS) 71 71 72 72 == 1.3 Specification == 73 73 ... ... @@ -136,16 +136,28 @@ 136 136 === 1.4.2 Immersion Type === 137 137 138 138 139 -[[image:image-20240109160445-5.png||height="2 84" width="214"]]139 +[[image:image-20240109160445-5.png||height="221" width="166"]] 140 140 141 141 * Immersion Type, Probe IP Level: IP68 142 142 * Measuring Range: Measure range can be customized, up to 100m. 143 143 * Accuracy: 0.2% F.S 144 144 * Long-Term Stability: ±0.2% F.S / Year 145 -* Storage temperature: -30 ℃~~80℃146 -* Operating temperature: 0 ℃~~50℃145 +* Storage temperature: -30°C~~80°C 146 +* Operating temperature: 0°C~~50°C 147 147 * Material: 316 stainless steels 148 148 149 +=== 1.4.3 Wireless Differential Air Pressure Sensor === 150 + 151 +[[image:image-20240511174954-1.png]] 152 + 153 +* Measuring Range: -100KPa~~0~~100KPa(Optional measuring range). 154 +* Accuracy: 0.5% F.S, resolution is 0.05%. 155 +* Overload: 300% F.S 156 +* Zero temperature drift: ±0.03%F.S/°C 157 +* Operating temperature: -20°C~~60°C 158 +* Storage temperature: -20°C~~60°C 159 +* Compensation temperature: 0~~50°C 160 + 149 149 == 1.5 Application and Installation == 150 150 151 151 === 1.5.1 Thread Installation Type === ... ... @@ -176,7 +176,7 @@ 176 176 [[image:1675071725288-579.png]] 177 177 178 178 179 - TheImmersion Type pressure sensor is shipped with the probe and device separately. When user got the device, below is the wiring to for connect the probe to the device.191 +Below is the wiring to for connect the probe to the device. 180 180 181 181 The Immersion Type Sensor has different variant which defined by Ixx. For example, this means two points: 182 182 ... ... @@ -189,6 +189,31 @@ 189 189 [[image:1675071776102-240.png]] 190 190 191 191 204 + 205 +=== 1.5.3 Wireless Differential Air Pressure Sensor === 206 + 207 + 208 +(% style="color:blue" %)**Application:** 209 + 210 +Indoor Air Control & Filter clogging Detect. 211 + 212 +[[image:image-20240513100129-6.png]] 213 + 214 +[[image:image-20240513100135-7.png]] 215 + 216 + 217 +Below is the wiring to for connect the probe to the device. 218 + 219 +[[image:image-20240513093957-1.png]] 220 + 221 + 222 +Size of wind pressure transmitter: 223 + 224 +[[image:image-20240513094047-2.png]] 225 + 226 +Note: The above dimensions are measured by hand, and the numerical error of the shell is within ±0.2mm. 227 + 228 + 192 192 == 1.6 Sleep mode and working mode == 193 193 194 194 ... ... @@ -238,13 +238,12 @@ 238 238 239 239 == 1.10 Mechanical == 240 240 241 -=== 1.10.1 for LB version (%style="display:none" %) (%%)===278 +=== 1.10.1 for LB version === 242 242 243 243 244 244 [[image:image-20240109160800-6.png]] 245 245 246 246 247 - 248 248 === 1.10.2 for LS version === 249 249 250 250 ... ... @@ -264,7 +264,6 @@ 264 264 265 265 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example. 266 266 267 - 268 268 [[image:1675144005218-297.png]] 269 269 270 270 ... ... @@ -320,7 +320,6 @@ 320 320 321 321 Users can also use the downlink command(0x26 01) to ask PS-LB/LS to resend this uplink. 322 322 323 - 324 324 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 325 325 |(% colspan="6" style="background-color:#4f81bd; color:white" %)**Device Status (FPORT=5)** 326 326 |(% style="background-color:#f2f2f2; width:103px" %)**Size (bytes)**|(% style="background-color:#f2f2f2; width:72px" %)**1**|(% style="background-color:#f2f2f2" %)**2**|(% style="background-color:#f2f2f2; width:91px" %)**1**|(% style="background-color:#f2f2f2; width:86px" %)**1**|(% style="background-color:#f2f2f2; width:44px" %)**2** ... ... @@ -441,7 +441,7 @@ 441 441 [[image:image-20230225154759-1.png||height="408" width="741"]] 442 442 443 443 444 -=== 2.3.6 0~~30V value ( 478 +=== 2.3.6 0~~30V value (pin VDC_IN) === 445 445 446 446 447 447 Measure the voltage value. The range is 0 to 30V. ... ... @@ -497,7 +497,6 @@ 497 497 498 498 While using TTN network, you can add the payload format to decode the payload. 499 499 500 - 501 501 [[image:1675144839454-913.png]] 502 502 503 503 ... ... @@ -515,12 +515,10 @@ 515 515 516 516 [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps: 517 517 518 - 519 519 (% style="color:blue" %)**Step 1: **(%%)Be sure that your device is programmed and properly connected to the network at this time. 520 520 521 521 (% style="color:blue" %)**Step 2:**(%%) To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps: 522 522 523 - 524 524 [[image:1675144951092-237.png]] 525 525 526 526 ... ... @@ -537,7 +537,6 @@ 537 537 [[image:1675145018212-853.png]] 538 538 539 539 540 - 541 541 [[image:1675145029119-717.png]] 542 542 543 543 ... ... @@ -551,21 +551,221 @@ 551 551 552 552 After added, the sensor data arrive TTN, it will also arrive and show in Datacake. 553 553 554 - 555 555 [[image:1675145081239-376.png]] 556 556 557 557 558 -== 2.6 F requencyPlans==587 +== 2.6 Datalog Feature (Since V1.1) == 559 559 560 560 590 +When a user wants to retrieve sensor value, he can send a poll command from the IoT platform to ask the sensor to send value in the required time slot. 591 + 592 + 593 +=== 2.6.1 Unix TimeStamp === 594 + 595 + 596 +CPL01 uses Unix TimeStamp format based on 597 + 598 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652861618065-927.png?width=705&height=109&rev=1.1||alt="1652861618065-927.png" height="109" width="705"]] 599 + 600 +Users can get this time from the link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 601 + 602 +Below is the converter example: 603 + 604 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652861637105-371.png?width=732&height=428&rev=1.1||alt="1652861637105-371.png"]] 605 + 606 + 607 +=== 2.6.2 Set Device Time === 608 + 609 + 610 +There are two ways to set the device's time: 611 + 612 + 613 +(% style="color:blue" %)**1. Through LoRaWAN MAC Command (Default settings)** 614 + 615 +Users need to set SYNCMOD=1 to enable sync time via the MAC command. 616 + 617 +Once CPL01 Joined the LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to CPL01. If CPL01 fails to get the time from the server, CPL01 will use the internal time and wait for the next time request ~[[[via Device Status (FPORT=5)>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/#H2.3.1DeviceStatus2CFPORT3D5]]]. 618 + 619 +(% style="color:red" %)**Note: LoRaWAN Server needs to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature.** 620 + 621 + 622 +(% style="color:blue" %)** 2. Manually Set Time** 623 + 624 +Users need to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 625 + 626 + 627 +=== 2.6.3 Poll sensor value === 628 + 629 + 630 +Users can poll sensor values based on timestamps. Below is the downlink command. 631 + 632 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %) 633 +|=(% colspan="4" style="width: 154px;background-color:#4F81BD;color:white" %)**Downlink Command to poll Open/Close status (0x31)** 634 +|(% style="background-color:#f2f2f2; width:70px" %)**1byte**|(% style="background-color:#f2f2f2; width:140px" %)**4bytes**|(% style="background-color:#f2f2f2; width:140px" %)((( 635 +((( 636 +**4bytes** 637 +))) 638 + 639 + 640 + 641 +)))|(% style="background-color:#f2f2f2; width:150px" %)**1byte** 642 +|(% style="background-color:#f2f2f2; width:70px" %)31|(% style="background-color:#f2f2f2; width:140px" %)Timestamp start|(% style="background-color:#f2f2f2; width:140px" %)Timestamp end|(% style="background-color:#f2f2f2; width:150px" %)Uplink Interval 643 + 644 +Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval. 645 + 646 +For example, downlink command[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]] 647 + 648 +Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data 649 + 650 +Uplink Internal =5s,means PS-LB will send one packet every 5s. range 5~~255s. 651 + 652 + 653 +=== 2.6.4 Decoder in TTN V3 === 654 + 655 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652862574387-195.png?width=722&height=359&rev=1.1||alt="1652862574387-195.png" height="359" width="722"]] 656 + 657 +Please check the decoder from this link: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]] 658 + 659 + 660 +== 2.7 Frequency Plans == 661 + 662 + 561 561 The PS-LB/LS uses OTAA mode and below frequency plans by default. Each frequency band use different firmware, user update the firmware to the corresponding band for their country. 562 562 563 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 665 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/a>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 564 564 565 565 566 -== 2. 7Firmware ChangeLog==668 +== 2.8 Report on Change Feature (Since firmware V1.2) == 567 567 670 +=== 2.8.1 Uplink payload(Enable ROC) === 568 568 672 + 673 +Used to Monitor the IDC and VDC increments, and send ROC uplink when the IDC or VDC changes exceed. 674 + 675 +With ROC enabled, the payload is as follows: 676 + 677 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %) 678 +|(% style="background-color:#4f81bd; color:white; width:97px" %)((( 679 +**Size(bytes)** 680 +)))|(% style="background-color:#4f81bd; color:white; width:48px" %)**2**|(% style="background-color:#4f81bd; color:white; width:71px" %)**2**|(% style="background-color:#4f81bd; color:white; width:98px" %)**2**|(% style="background-color:#4f81bd; color:white; width:73px" %)**2**|(% style="background-color:#4f81bd; color:white; width:122px" %)**1** 681 +|(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)((( 682 +[[IN1 &IN2 Interrupt flag>>||anchor="H2.3.7IN126IN226INTpin"]] & ROC_flag 683 +))) 684 + 685 +(% style="color:blue" %)**IN1 &IN2 , Interrupt flag , ROC_flag:** 686 + 687 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %) 688 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:white; width:60px" %)**bit7**|(% style="background-color:#4f81bd; color:white; width:62px" %)**bit6**|(% style="background-color:#4f81bd; color:white; width:62px" %)**bit5**|(% style="background-color:#4f81bd; color:white; width:65px" %)**bit4**|(% style="background-color:#4f81bd; color:white; width:56px" %)**bit3**|(% style="background-color:#4f81bd; color:white; width:55px" %)**bit2**|(% style="background-color:#4f81bd; color:white; width:55px" %)**bit1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**bit0** 689 +|(% style="width:75px" %)Value|(% style="width:89px" %)IDC_Roc_flagL|(% style="width:46.5834px" %)IDC_Roc_flagH|(% style="width:1px" %)VDC_Roc_flagL|(% style="width:89px" %)VDC_Roc_flagH|(% style="width:89px" %)IN1_pin_level|(% style="width:103px" %)IN2_pin_level|(% style="width:103px" %)Exti_pin_level|(% style="width:103px" %)Exti_status 690 + 691 +* (% style="color:#037691" %)**IDC_Roc_flagL** 692 + 693 +80 (H): (0x80&0x80)=80(H)=**1**000 0000(B) bit7=1, "TRUE", This uplink is triggered when the decrease in the IDC compared to the last ROC refresh exceeds the set threshold. 694 + 695 +60 (H): (0x60&0x80)=0 bit7=0, "FALSE", This uplink is not triggered when the decrease in the IDC compared to the last ROC refresh exceeds the set threshold. 696 + 697 + 698 +* (% style="color:#037691" %)**IDC_Roc_flagH** 699 + 700 +60 (H): (0x60&0x40)=60(H)=0**1**000 0000(B) bit6=1, "TRUE", This uplink is triggered when the increase in the value of the IDC compared to the last ROC refresh exceeds the set threshold. 701 + 702 +80 (H): (0x80&0x40)=0 bit6=0, "FALSE", This uplink is not triggered when the increase in the value of the IDC compared to the last ROC refresh exceeds the set threshold. 703 + 704 + 705 +* (% style="color:#037691" %)**VDC_Roc_flagL** 706 + 707 +20 (H): (0x20&0x20)=20(H)=00**1**0 0000(B) bit5=1, "TRUE", This uplink is triggered when the decrease in the VDC compared to the last ROC refresh exceeds the set threshold. 708 + 709 +90 (H): (0x90&0x20)=0 bit5=0, "FALSE", This uplink is not triggered when the decrease in the VDC compared to the last ROC refresh exceeds the set threshold. 710 + 711 + 712 +* (% style="color:#037691" %)**VDC_Roc_flagH** 713 + 714 +90 (H): (0x90&0x10)=10(H)=000**1** 0000(B) bit4=1, "TRUE", This uplink is triggered when the increase in the value of the VDC compared to the last ROC refresh exceeds the set threshold. 715 + 716 +20 (H): (0x20&0x10)=0 bit4=0, "FALSE", This uplink is not triggered when the increase in the value of the VDC compared to the last ROC refresh exceeds the set threshold. 717 + 718 + 719 +* (% style="color:#037691" %)**IN1_pin_level & IN2_pin_level** 720 + 721 +IN1 and IN2 are used as digital input pins. 722 + 723 +80 (H): (0x80&0x08)=0 IN1 pin is low level. 724 + 725 +80 (H): (0x09&0x04)=0 IN2 pin is low level. 726 + 727 + 728 +* (% style="color:#037691" %)**Exti_pin_level &Exti_status** 729 + 730 +This data field shows whether the packet is generated by an interrupt pin. 731 + 732 +Note: The Internet pin of the old motherboard is a separate pin in the screw terminal, and the interrupt pin of the new motherboard(SIB V1.3) is the **GPIO_EXTI** pin. 733 + 734 +**Exti_pin_level:** 80 (H): (0x80&0x02)=0 "low", The level of the interrupt pin. 735 + 736 +**Exti_status: **80 (H): (0x80&0x01)=0 "False", Normal uplink packet. 737 + 738 + 739 +=== 2.8.2 Set the Report on Change === 740 + 741 + 742 +Feature: Set the detection interval and threshold to monitor whether the IDC/VDC variable exceeds the threshold. If the threshold is exceeded, an ROC uplink is sent. 743 +(% style="color:blue" %)**AT Command: AT+ROC** 744 + 745 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 746 +|=(% style="width: 143px; background-color: rgb(79, 129, 189); color: white;" %)**Command Example**|=(% style="width: 197px; background-color: rgb(79, 129, 189); color: white;" %)**Parameters**|=(% style="width: 170px; background-color: rgb(79, 129, 189); color: white;" %)**Response/Explanation** 747 +|(% style="width:143px" %)AT+ROC=?|(% style="width:197px" %)Show current ROC setting|(% style="width:168px" %)((( 748 +0,0,0,0(default) 749 + 750 +OK 751 +))) 752 +|(% colspan="1" rowspan="4" style="width:143px" %)((( 753 + 754 + 755 + 756 + 757 +AT+ROC=a,b,c,d 758 +)))|(% style="width:197px" %)**a**: Enable or disable the ROC|(% style="width:168px" %)((( 759 +0: off 760 + 761 +1: on 762 +))) 763 +|(% style="width:197px" %)**b**: Set the detection interval|(% style="width:168px" %)Unit: second 764 +|(% style="width:197px" %)**c**: Setting the IDC change threshold|(% style="width:168px" %)Unit: uA 765 +|(% style="width:197px" %)**d**: Setting the VDC change threshold|(% style="width:168px" %)Unit: mV 766 + 767 +**Example:** 768 + 769 +* AT+ROC=1,60,3000, 500 ~/~/ Check value every 60 seconds. lf there is change in IDC (>3mA) or VDC (>500mV), sends an ROC uplink. 770 +* AT+ROC=1,60,3000,0 ~/~/ Check value every 60 seconds. lf there is change in IDC (>3mA), send an ROC uplink. 0 Means doesn't monitor Voltage. 771 + 772 +(% style="color:blue" %)**Downlink Command: 0x09 aa bb cc dd** 773 + 774 +Format: Function code (0x09) followed by 4 bytes. 775 + 776 +(% style="color:blue" %)**aa: **(%%)Enable/Disable the ROC. 777 + 778 +(% style="color:blue" %)**bb: **(%%)Set the detection interval. (second) 779 + 780 +(% style="color:blue" %)**cc: **(%%)Setting the IDC change threshold. (uA) 781 + 782 +(% style="color:blue" %)**dd: **(%%)Setting the VDC change threshold. (mV) 783 + 784 +**Example:** 785 + 786 +* Downlink Payload: **09 01 00 3C 0B B8 01 F4 ** ~/~/ Equal to AT+ROC=1,60,3000, 500 787 +* Downlink Payload: **09 01 00 3C 0B B8 00 00 ** ~/~/ AT+ROC=1,60,3000,0 788 + 789 +(% style="color:blue" %)**Screenshot of parsing example in TTN:** 790 + 791 +* AT+ROC=1,60,3000, 500. 792 + 793 +[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB-NA--LoRaWAN_Analog_Sensor_User_Manual/WebHome/image-20241019170902-1.png?width=1454&height=450&rev=1.1||alt="image-20241019170902-1.png"]] 794 + 795 + 796 +== 2.9 Firmware Change Log == 797 + 798 + 569 569 **Firmware download link:** 570 570 571 571 [[https:~~/~~/www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0>>url:https://www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0]] ... ... @@ -729,6 +729,16 @@ 729 729 * Example 5: Downlink Payload: 070301F4 **~-~-->** AT+12VT=500 730 730 * Example 6: Downlink Payload: 07030000 **~-~-->** AT+12VT=0 731 731 962 +(% style="color:red" %)**Note: Before v1.2, the maximum settable time of 3V3T, 5VT and 12VT is 65535 milliseconds. After v1.2, the maximum settable time of 3V3T, 5VT and 12VT is 180 seconds.** 963 + 964 +(% style="color:red" %)**Therefore, the corresponding downlink command is increased by one byte to five bytes.** 965 + 966 +**Example: ** 967 + 968 +* 120s=120000ms(D) =0x01D4C0(H), Downlink Payload: 07 **01** 01 D4 C0 **~-~-->** AT+3V3T=120000 969 +* 100s=100000ms(D) =0x0186A0(H), Downlink Payload: 07 **02** 01 86 A0 **~-~-->** AT+5VT=100000 970 +* 80s=80000ms(D) =0x013880(H), Downlink Payload: 07 **03** 01 38 80 **~-~-->** AT+12VT=80000 971 + 732 732 === 3.3.4 Set the Probe Model === 733 733 734 734 ... ... @@ -746,6 +746,12 @@ 746 746 747 747 (A->01,B->02,C->03,D->04,E->05,F->06,G->07,H->08,I->09,J->0A,K->0B,L->0C) 748 748 989 +When aa=02, it is the Differential Pressure Sensor , which converts the current into a pressure value; 990 + 991 +bb represents which type of pressure sensor it is. 992 + 993 +(0~~100Pa->01,0~~200Pa->02,0~~300Pa->03,0~~1KPa->04,0~~2KPa->05,0~~3KPa->06,0~~4KPa->07,0~~5KPa->08,0~~10KPa->09,-100~~ 100Pa->0A,-200~~ 200Pa->0B,-1~~ 1KPa->0C) 994 + 749 749 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 750 750 |(% style="background-color:#4f81bd; color:white; width:154px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:269px" %)**Function**|(% style="background-color:#4f81bd; color:white" %)**Response** 751 751 |(% style="background-color:#f2f2f2; width:154px" %)AT+PROBE=?|(% style="background-color:#f2f2f2; width:269px" %)Get or Set the probe model.|(% style="background-color:#f2f2f2" %)0 ... ... @@ -768,7 +768,7 @@ 768 768 === 3.3.5 Multiple collections are one uplink (Since firmware V1.1) === 769 769 770 770 771 -Added AT+STDC command to collect the voltage of VDC_INPUT multiple times and upload it at one time. 1017 +Added AT+STDC command to collect the voltage of VDC_INPUT/IDC_INPUT multiple times and upload it at one time. 772 772 773 773 (% style="color:blue" %)**AT Command: AT** **+STDC** 774 774 ... ... @@ -776,7 +776,8 @@ 776 776 777 777 (% style="color:#037691" %)**aa:**(%%) 778 778 **0:** means disable this function and use TDC to send packets. 779 -**1:** means enable this function, use the method of multiple acquisitions to send packets. 1025 +**1:** means that the function is enabled to send packets by collecting VDC data for multiple times. 1026 +**2:** means that the function is enabled to send packets by collecting IDC data for multiple times. 780 780 (% style="color:#037691" %)**bb:**(%%) Each collection interval (s), the value is 1~~65535 781 781 (% style="color:#037691" %)**cc:**(%%)** **the number of collection times, the value is 1~~120 782 782 ... ... @@ -801,7 +801,7 @@ 801 801 802 802 (% style="color:blue" %)**Downlink Command: 0xAE** 803 803 804 -Format: Command Code (0x 08) followed by5bytes.1051 +Format: Command Code (0xAE) followed by 4 bytes. 805 805 806 806 * Example 1: Downlink Payload: AE 01 02 58 12** ~-~-->** AT+STDC=1,600,18 807 807 ... ... @@ -846,7 +846,28 @@ 846 846 Test the current values at the depth of different liquids and convert them to a linear scale. 847 847 Replace its ratio with the ratio of water to current in the decoder. 848 848 1096 +**Example:** 849 849 1098 +Measure the corresponding current of the sensor when the liquid depth is 2.04m and 0.51m. 1099 + 1100 +**Calculate scale factor:** 1101 +Use these two data to calculate the current and depth scaling factors:(7.888-5.035)/(2.04-0.51)=1.86470588235294 1102 + 1103 +**Calculation formula:** 1104 + 1105 +Use the calibration formula:(Current current - Minimum calibration current)/Scale factor + Minimum actual calibration height 1106 + 1107 +**Actual calculations:** 1108 + 1109 +Use this formula to calculate the value corresponding to the current at a depth of 1.5 meters: (6.918-5.035)/1.86470588235294+0.51=1.519810726 1110 + 1111 +**Error:** 1112 + 1113 +0.009810726 1114 + 1115 + 1116 +[[image:image-20240329175044-1.png]] 1117 + 850 850 = 7. Troubleshooting = 851 851 852 852 == 7.1 Water Depth Always shows 0 in payload == ... ... @@ -864,8 +864,9 @@ 864 864 = 8. Order Info = 865 865 866 866 867 - [[image:image-20240109172423-7.png]](% style="display:none" %)1135 +(% style="display:none" %) 868 868 1137 +[[image:image-20241021093209-1.png]] 869 869 870 870 = 9. Packing Info = 871 871 ... ... @@ -887,5 +887,3 @@ 887 887 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 888 888 889 889 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]. 890 - 891 -
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