Last modified by Xiaoling on 2025/04/19 17:58
<
From version < 51.2 >
edited by Xiaoling
on 2023/03/15 16:55
To version < 53.7 >
edited by Xiaoling
on 2023/04/03 11:35
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -60,8 +60,6 @@
60 60  * 8500mAh Battery for long term use
61 61  * Controllable 3.3v,5v and 12v output to power external sensor
62 62  
63 -
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -108,8 +108,6 @@
108 108  * Sleep Mode: 5uA @ 3.3v
109 109  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
110 110  
111 -
112 -
113 113  == 1.4 Probe Types ==
114 114  
115 115  === 1.4.1 Thread Installation Type ===
... ... @@ -128,8 +128,6 @@
128 128  * Operating temperature: -20℃~~60℃
129 129  * Connector Type: Various Types, see order info
130 130  
131 -
132 -
133 133  === 1.4.2 Immersion Type ===
134 134  
135 135  
... ... @@ -143,8 +143,6 @@
143 143  * Operating temperature: 0℃~~50℃
144 144  * Material: 316 stainless steels
145 145  
146 -
147 -
148 148  == 1.5 Probe Dimension ==
149 149  
150 150  
... ... @@ -202,21 +202,19 @@
202 202  [[image:1675071855856-879.png]]
203 203  
204 204  
205 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
206 -|=(% style="width: 167px;" %)**Behavior on ACT**|=(% style="width: 117px;" %)**Function**|=(% style="width: 225px;" %)**Action**
207 -|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
197 +(% border="1" cellspacing="4" style="width:510px" %)
198 +|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
199 +|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
208 208  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
209 209  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
210 210  )))
211 -|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
212 -(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
213 -(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
203 +|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT for more than 3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
204 +(% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
205 +(% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
214 214  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
215 215  )))
216 -|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
208 +|(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means PS-LB-NA is in Deep Sleep Mode.
217 217  
218 -
219 -
220 220  == 1.9 Pin Mapping ==
221 221  
222 222  
... ... @@ -321,10 +321,10 @@
321 321  Users can also use the downlink command(0x26 01) to ask PS-LB to resend this uplink.
322 322  
323 323  
324 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
325 -|(% colspan="6" %)**Device Status (FPORT=5)**
326 -|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|(% style="width:91px" %)**1**|(% style="width:86px" %)**1**|(% style="width:44px" %)**2**
327 -|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|(% style="width:91px" %)Frequency Band|(% style="width:86px" %)Sub-band|(% style="width:44px" %)BAT
314 +(% border="1" cellspacing="4" style="width:510px" %)
315 +|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
316 +|(% 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**
317 +|(% style="background-color:#f2f2f2; width:103px" %)**Value**|(% style="background-color:#f2f2f2; width:72px" %)Sensor Model|(% style="background-color:#f2f2f2" %)Firmware Version|(% style="background-color:#f2f2f2; width:91px" %)Frequency Band|(% style="background-color:#f2f2f2; width:86px" %)Sub-band|(% style="background-color:#f2f2f2; width:44px" %)BAT
328 328  
329 329  Example parse in TTNv3
330 330  
... ... @@ -390,11 +390,11 @@
390 390  Uplink payload includes in total 9 bytes.
391 391  
392 392  
393 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
383 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
394 394  |(% style="width:97px" %)(((
395 395  **Size(bytes)**
396 396  )))|(% style="width:48px" %)**2**|(% style="width:71px" %)**2**|(% style="width:98px" %)**2**|(% style="width:73px" %)**2**|(% style="width:122px" %)**1**
397 -|(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.4BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.5ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.607E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.707E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.8IN126IN226INTpin"]]
387 +|(% style="width:97px" %)**Value**|(% style="width:48px" %)[[BAT>>||anchor="H2.3.4BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.5ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.607E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.707E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.8IN126IN226INTpin"]]
398 398  
399 399  [[image:1675144608950-310.png]]
400 400  
... ... @@ -415,13 +415,13 @@
415 415  PS-LB has different kind of probe, 4~~20mA represent the full scale of the measuring range. So a 12mA output means different meaning for different probe. 
416 416  
417 417  
418 -For example.
408 +**For example.**
419 419  
420 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
421 -|**Part Number**|**Probe Used**|**4~~20mA scale**|**Example: 12mA meaning**
422 -|PS-LB-I3|immersion type with 3 meters cable|0~~3 meters|1.5 meters pure water
423 -|PS-LB-I5|immersion type with 5 meters cable|0~~5 meters|2.5 meters pure water
424 -|PS-LB-T20-B|T20 threaded probe|0~~1MPa|0.5MPa air / gas or water pressure
410 +(% border="1" cellspacing="4" style="width:510px" %)
411 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Part Number**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Probe Used**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4~~20mA scale**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Example: 12mA meaning**
412 +|(% style="background-color:#f2f2f2" %)PS-LB-I3|(% style="background-color:#f2f2f2" %)immersion type with 3 meters cable|(% style="background-color:#f2f2f2" %)0~~3 meters|(% style="background-color:#f2f2f2" %)1.5 meters pure water
413 +|(% style="background-color:#f2f2f2" %)PS-LB-I5|(% style="background-color:#f2f2f2" %)immersion type with 5 meters cable|(% style="background-color:#f2f2f2" %)0~~5 meters|(% style="background-color:#f2f2f2" %)2.5 meters pure water
414 +|(% style="background-color:#f2f2f2" %)PS-LB-T20-B|(% style="background-color:#f2f2f2" %)T20 threaded probe|(% style="background-color:#f2f2f2" %)0~~1MPa|(% style="background-color:#f2f2f2" %)0.5MPa air / gas or water pressure
425 425  
426 426  The probe model field provides the convenient for server to identical how it should parse the 4~~20mA sensor value and get the correct value.
427 427  
... ... @@ -477,7 +477,7 @@
477 477  === (% id="cke_bm_109176S" style="display:none" %) (%%)2.3.8 Sensor value, FPORT~=7 ===
478 478  
479 479  
480 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:508.222px" %)
470 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:508.222px" %)
481 481  |(% style="width:94px" %)(((
482 482  **Size(bytes)**
483 483  )))|(% style="width:43px" %)2|(% style="width:367px" %)n
... ... @@ -572,34 +572,37 @@
572 572  [[https:~~/~~/www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0>>url:https://www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0]]
573 573  
574 574  
575 -= 3. Configure PS-LB via AT Command or LoRaWAN Downlink =
565 += 3. Configure PS-LB =
576 576  
567 +== 3.1 Configure Methods ==
577 577  
578 -Use can configure PS-LB via AT Command or LoRaWAN Downlink.
579 579  
580 -* AT Command Connection: See [[FAQ>>||anchor="H7.FAQ"]].
581 -* LoRaWAN Downlink instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
570 +PS-LB-NA supports below configure method:
582 582  
583 -There are two kinds of commands to configure PS-LB, they are:
572 +* AT Command via Bluetooth Connection (**Recommand Way**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
573 +* AT Command via UART Connection : See [[FAQ>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/#H7.FAQ]].
574 +* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
584 584  
585 -* (% style="color:#037691" %)**General Commands**
576 +== 3.2 General Commands ==
586 586  
578 +
587 587  These commands are to configure:
588 588  
589 589  * General system settings like: uplink interval.
590 590  * LoRaWAN protocol & radio related command.
591 591  
592 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
584 +They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
593 593  
594 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
586 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
595 595  
596 596  
597 -* (% style="color:#037691" %)**Commands special design for PS-LB**
598 598  
590 +== 3.3 Commands special design for PS-LB ==
591 +
599 599  These commands only valid for PS-LB, as below:
600 600  
601 601  
602 -== 3.1 Set Transmit Interval Time ==
595 +=== 3.3.1 Set Transmit Interval Time ===
603 603  
604 604  
605 605  Feature: Change LoRaWAN End Node Transmit Interval.
... ... @@ -627,7 +627,7 @@
627 627  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
628 628  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
629 629  
630 -== 3.2 Set Interrupt Mode ==
623 +=== 3.3.2 Set Interrupt Mode ===
631 631  
632 632  
633 633  Feature, Set Interrupt mode for GPIO_EXIT.
... ... @@ -658,11 +658,9 @@
658 658  * Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
659 659  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
660 660  
654 +=== 3.3.3 Set the output time ===
661 661  
662 662  
663 -== 3.3 Set the output time ==
664 -
665 -
666 666  Feature, Control the output 3V3 , 5V or 12V.
667 667  
668 668  (% style="color:blue" %)**AT Command: AT+3V3T**
... ... @@ -729,11 +729,9 @@
729 729  * Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
730 730  * Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
731 731  
723 +=== 3.3.4 Set the Probe Model ===
732 732  
733 733  
734 -== 3.4 Set the Probe Model ==
735 -
736 -
737 737  Users need to configure this parameter according to the type of external probe. In this way, the server can decode according to this value, and convert the current value output by the sensor into water depth or pressure value.
738 738  
739 739  **AT Command: AT** **+PROBE**
... ... @@ -768,11 +768,9 @@
768 768  * Example 1: Downlink Payload: 080003  **~-~-->**  AT+PROBE=0003
769 769  * Example 2: Downlink Payload: 080101  **~-~-->**  AT+PROBE=0101
770 770  
760 +=== 3.3.5 Multiple collections are one uplink（Since firmware V1.1） ===
771 771  
772 772  
773 -== 3.5 Multiple collections are one uplink（Since firmware V1.1） ==
774 -
775 -
776 776  Added AT+STDC command to collect the voltage of VDC_INPUT multiple times and upload it at one time.
777 777  
778 778  (% style="color:blue" %)**AT Command: AT** **+STDC**
... ... @@ -810,109 +810,34 @@
810 810  
811 811  * Example 1: Downlink Payload: AE 01 02 58 12** ~-~-->**  AT+STDC=1,600,18
812 812  
800 += 4. Battery & Power Consumption =
813 813  
802 +PS-LB-NA uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
814 814  
815 -= 4. Battery & how to replace =
804 + [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
816 816  
817 -== 4.1 Battery Type ==
818 818  
807 += 5. OTA firmware update =
819 819  
820 -PS-LB is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>https://www.dropbox.com/sh/w9l2oa3ytpculph/AAAPtt-apH4lYfCj-2Y6lHvQa?dl=0]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
821 821  
822 -The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
823 -
824 -[[image:1675146710956-626.png]]
825 -
826 -
827 -Minimum Working Voltage for the PS-LB:
828 -
829 -PS-LB:  2.45v ~~ 3.6v
830 -
831 -
832 -== 4.2 Replace Battery ==
833 -
834 -
835 -Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
836 -
837 -And make sure the positive and negative pins match.
838 -
839 -
840 -== 4.3 Power Consumption Analyze ==
841 -
842 -
843 -Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
844 -
845 -Instruction to use as below:
846 -
847 -(% style="color:blue" %)**Step 1:**(%%) Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0>>https://www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0]]
848 -
849 -(% style="color:blue" %)**Step 2:**(%%) Open it and choose
850 -
851 -* Product Model
852 -* Uplink Interval
853 -* Working Mode
854 -
855 -And the Life expectation in difference case will be shown on the right.
856 -
857 -[[image:1675146895108-304.png]]
858 -
859 -
860 -The battery related documents as below:
861 -
862 -* [[Battery Dimension>>https://www.dropbox.com/s/ox5g9njwjle7aw3/LSN50-Battery-Dimension.pdf?dl=0]],
863 -* [[Lithium-Thionyl Chloride Battery datasheet, Tech Spec>>https://www.dropbox.com/sh/d4oyfnp8o94180o/AABQewCNSh5GPeQH86UxRgQQa?dl=0]]
864 -* [[Lithium-ion Battery-Capacitor datasheet>>https://www.dropbox.com/s/791gjes2lcbfi1p/SPC_1520_datasheet.jpg?dl=0]], [[Tech Spec>>https://www.dropbox.com/s/4pkepr9qqqvtzf2/SPC1520%20Technical%20Specification20171123.pdf?dl=0]]
865 -
866 -[[image:image-20230131145708-3.png]]
867 -
868 -
869 -=== 4.3.1 ​Battery Note ===
870 -
871 -
872 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
873 -
874 -
875 -=== 4.3.2 Replace the battery ===
876 -
877 -
878 -You can change the battery in the PS-LB.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
879 -
880 -The default battery pack of PS-LB includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
881 -
882 -
883 -= 5. Remote Configure device =
884 -
885 -== 5.1 Connect via BLE ==
886 -
887 -
888 -Please see this instruction for how to configure via BLE: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]
889 -
890 -
891 -== 5.2 AT Command Set ==
892 -
893 -
894 -
895 -= 6. OTA firmware update =
896 -
897 -
898 898  Please see this link for how to do OTA firmware update: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
899 899  
900 900  
901 -= 7. FAQ =
813 += 6. FAQ =
902 902  
903 -== 7.1 How to use AT Command to access device? ==
815 +== 6.1 How to use AT Command via UART to access device? ==
904 904  
905 905  
906 906  See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
907 907  
908 908  
909 -== 7.2 How to update firmware via UART port? ==
821 +== 6.2 How to update firmware via UART port? ==
910 910  
911 911  
912 912  See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
913 913  
914 914  
915 -== 7.3 How to change the LoRa Frequency Bands/Region? ==
827 +== 6.3 How to change the LoRa Frequency Bands/Region? ==
916 916  
917 917  
918 918  You can follow the instructions for [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]].
... ... @@ -919,13 +919,13 @@
919 919  When downloading the images, choose the required image file for download. ​
920 920  
921 921  
922 -= 8. Order Info =
834 += 7. Order Info =
923 923  
924 924  
925 925  [[image:image-20230131153105-4.png]]
926 926  
927 927  
928 -= 9. ​Packing Info =
840 += 8. ​Packing Info =
929 929  
930 930  
931 931  (% style="color:#037691" %)**Package Includes**:
... ... @@ -939,11 +939,9 @@
939 939  * Package Size / pcs : cm
940 940  * Weight / pcs : g
941 941  
854 += 9. Support =
942 942  
943 943  
944 -= 10. Support =
945 -
946 -
947 947  * 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.
948 948  
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