Dragino DDS75-NB NB-IoT Sensor Deteksi Jarak

Informasi produk

Spesifikasi

• Karakteristik umum DC: Spesifikasi NB-IoT
• Modul NB-IoT: BC660K-GL
• Band Dhukungan:
  • B1 @H-FDD: 2100MHz
  • B2 @H-FDD: 1900MHz
  • B3 @H-FDD: 1800MHz
  • B4 @H-FDD: 2100MHz
  • B5 @H-FDD: 860MHz
  • B8 @H-FDD: 900MHz
  • B12 @H-FDD: 720MHz
  • B13 @H-FDD: 740MHz
  • B17 @H-FDD: 730MHz
  • B18 @H-FDD: 870MHz
  • B19 @H-FDD: 870MHz
  • B20 @H-FDD: 790MHz
  • B25 @H-FDD: 1900MHz
  • B28 @H-FDD: 750MHz
  • B66 @H-FDD: 2000MHz
  • B70 @H-FDD: 2000MHz
  • B85 @H-FDD: 700MHz
• Baterei: Li/SOCI2 unchargeable battery
  • Kapasitas: 8500mAh
  • Self Discharge:

Pandhuan Panggunaan Produk

Setting up the DDS75-NB NB-IoT Distance Detection Sensor

Kanggo nyetel sensor, tindakake langkah iki:

1. Pasang kertu SIM (yen ora dibangun ing).
2. Daya ing sensor kanthi mencet tombol daya.
3. Connect to the desired IoT platform using one of the supported uplink methods (MQTT, MQTTs, UDP, TCP).

Pengukuran Jarak
The sensor will detect the distance between the measured object and itself automatically once set up.

Manajemen baterei
The sensor is powered by an 8500mAh Li-SOCI2 battery designed for long-term use. To maximize battery life:

• Aja ngisi daya baterei sing berlebihan.
• Isi daya baterei kanthi lengkap sadurunge nggunakake wiwitan.
• Replace the battery when needed with a compatible battery type.

Nganyari Firmware
The sensor supports BLE configure and OTA update for easy firmware updates. Follow these steps to update the firmware:

1. Priksa manawa sensor disambungake menyang jaringan sing stabil.
2. Initiate the firmware update process through the IoT platform or BLE connection.
3. Monitor the update progress and ensure it completes successfully.

Pambuka

What is DDS75-NB NB-IoT Distance Detection Sensor
The Dragino DDS75-NB is a NB-IoT Distance Detection Sensor for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses ultrasonic sensing technology for distance measurement, and temperature compensation is performed internally to improve the reliability of data. The DDS75-NB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control,sewer, bottom water level monitoring, etc.

Ndeteksi jarak antarane obyek sing diukur lan sensor, lan ngirim platform IoT liwat jaringan NB-IoT.

• DDS75-NB ndhukung macem-macem cara uplink kalebu MQTT, MQTTs, UDP & TCP kanggo syarat aplikasi beda, lan ndhukung uplinks kanggo macem-macem IoT Server.
• DDS75-NB ndhukung konfigurasi BLE lan nganyari OTA sing nggawe pangguna gampang digunakake.
• DDS75-NB didhukung dening baterei Li-SOCI2 8500mAh, dirancang kanggo panggunaan jangka panjang nganti pirang-pirang taun.
• DDS75-NB duwe kertu SIM sing dibangun ing opsional lan versi sambungan server IoT standar. Kang ndadekake iku bisa karo konfigurasi prasaja.

Fitur

• NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
• Konsumsi daya ultra-kurang
• Deteksi jarak kanthi teknologi Ultrasonik
• Jarak obyek datar 280mm - 7500mm
• Akurasi: ±(1cm+S*0.3%) (S: Jarak)
• Measure Angle: 40°
• Multiply Sampling lan siji uplink
• Support Bluetooth v5.1 remote configure and update firmware
• Uplink kanthi periodik
• Downlink kanggo ngganti konfigurasi
• IP66 Waterproof Enclosure
• Baterei 8500mAh kanggo panggunaan jangka panjang
• Slot kertu SIM Nano kanggo SIM NB-IoT

Spesifikasi

Karakteristik umum DC:

• Pasokan Voltage: 2.5v ~ 3.6v
• Suhu operasi: -40 ~ 85 ° C

Spesifikasi NB-IoT:
Modul NB-IoT: BC660K-GL

Band Dhukungan:

• B1 @H-FDD: 2100MHz
• B2 @H-FDD: 1900MHz
• B3 @H-FDD: 1800MHz
• B4 @H-FDD: 2100MHz
• B5 @H-FDD: 860MHz
• B8 @H-FDD: 900MHz
• B12 @H-FDD: 720MHz
• B13 @H-FDD: 740MHz
• B17 @H-FDD: 730MHz
• B18 @H-FDD: 870MHz
• B19 @H-FDD: 870MHz
• B20 @H-FDD: 790MHz
• B25 @H-FDD: 1900MHz
• B28 @H-FDD: 750MHz
• B66 @H-FDD: 2000MHz
• B70 @H-FDD: 2000MHz
• B85 @H-FDD: 700MHz

Baterei:

• Baterei Li/SOCI2 ora bisa diisi daya
• Kapasitas: 8500mAh
• Ngeculake dhewe: <1% / Taun @ 25°C
• Max terus-terusan saiki: 130mA
• Max ngedongkrak saiki: 2A, 1 detik

Konsumsi Daya

• Mode STOP: 10uA @ 3.3v
• Daya ngirim maksimal: 350mA@3.3v

Kondisi lingkungan sing dirating

Item	Nilai minimal	khas nilai	Nilai maksimum	Unit	pangandikan
Suhu panyimpenan	-25	25	80	℃
Kelembapan panyimpenan		65%	90%	RH	(1)
Suhu operasi	-15	25	60	℃
Kelembapan kerja		65%	80%	RH	(1)

Remarks: (1)

• Nalika suhu sekitar 0-39 ℃, asor maksimal 90% (non-condensing);
• Nalika suhu sekitar 40-50 ℃, asor paling dhuwur yaiku kelembapan paling dhuwur ing alam ing suhu saiki (ora ana kondensasi)

Range pangukuran efektif Pola balok referensi

1. Objek sing diuji yaiku tabung silinder putih sing digawe saka PVC, kanthi dhuwur 100cm lan diameter 7.5cm.
2. Obyek sing bakal diuji yaiku "kotak karton bergelombang" jejeg sumbu tengah 0 °, lan dawa * jembaré 60cm * 50cm.

Aplikasi

• Pengukuran jarak horizontal
• Pengukuran level cairan
• Sistem manajemen parkir
• Jarak obyek lan deteksi ngarsane
• Sistem manajemen tong sampah sing cerdas
• Ngindhari alangan robot
• Kontrol otomatis
• kalen
• Pemantauan level banyu ngisor

Mode turu lan mode kerja

Mode Turu jero: Sensor doesn’t have any NB-IoT activate. This mode is used for storage and shipping to save battery life

Mode kerja: In this mode, Sensor will work as NB-IoT Sensor to Join NB-IoT network and send out sensor data to server. Between each sampling/tx/rx sacara periodik, sensor bakal ana ing mode IDLE), ing mode IDLE, sensor nduweni konsumsi daya sing padha karo mode Turu Jero.

Tombol & LED

Behavior on ACT	Fungsi	Tumindak
	Send an uplink	If sensor has already attached to NB-IoT network, sensor will send an uplink packet, led biru bakal kedhip sapisan. Meanwhile, BLE module will be active and user can connect via BLE to configure device.
	Piranti Aktif	Led ijo bakal cepet kedhip 5 kaping, piranti bakal mlebu Mode OTA for 3 seconds. And then start to attach NB-IoT network. Once sensor is active, BLE module will be ac- tive and user can connect via BLE to configure device, no matter if device attach NB-IoT net- work or not.

Mateni Piranti

Abang dipimpin will solid on for 5 seconds. Means de- vice is in Deep Sleep Mode.

Cathetan: Nalika piranti lagi nglakokaké program, tombol bisa dadi ora bener. Paling apik kanggo mencet tombol sawise piranti wis rampung eksekusi program.

sambungan BLE
DDS75-NB ndhukung BLE remot ngatur lan nganyari perangkat kukuh.

BLE bisa digunakake kanggo ngatur parameter sensor utawa ndeleng output console saka sensor. BLE mung bakal diaktifake ing kasus ing ngisor iki:

• Pencet tombol kanggo ngirim uplink
• Pencet tombol kanggo piranti aktif.
• Daya piranti urip utawa ngreset.

Yen ora ana sambungan aktivitas ing BLE ing 60 detik, sensor bakal mateni modul BLE kanggo ngetik mode kurang daya.

Definisi Pin, Ngalih & Arah SIM

Jumper JP2
Daya ing Piranti nalika sijine jumper iki.

MODE BOOT / SW1

1. ISP: mode upgrade, piranti ora bakal duwe sinyal ing mode iki. nanging siap kanggo upgrade firmware. LED ora bisa. Firmware ora bakal mbukak.
2. Lampu kilat: mode karya, piranti wiwit bisa lan ngirim metu console output kanggo debug luwih

Tombol Reset
Pencet kanggo urip maneh piranti.

Arah kertu SIM
Waca link iki. Cara masang kertu SIM .

Mekanik

Probe Mekanik:

Use DDS75-NB to communicate with IoT Server

Ngirim data menyang server IoT liwat jaringan NB-IoT
The DDS75-NB is equipped with a NB-IoT module, the pre-loaded firmware in DDS75-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by DDS75-NB.

Ing ngisor iki nuduhake struktur jaringan:
Ana rong versi: -GE lan -1T versi DDS75-NB.

Versi GE: This version doesn’t include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS75-NB send data to IoT server.
Install NB-IoT SIM card and configure APN. See instruction of Attach Network .

Set up sensor to point to IoT Server. See instruction of Configure to Connect Different Servers . Below shows result of different server as a glance.

1T Version: This version has 1NCE SIM card pre-installed and configure to send value to ThingsEye. User Just need to select the sensor type in ThingsEyeand Activate DDS75-NB and user will be able to see data in ThingsEye. See here for ThingsEye Config Instruction .

Jinis Payload
To meet different server requirement, DDS75-NB supports different payload type.

kalebu:

• Payload format JSON umum. (Tipe=5)
• Payload format HEX. (Tipe=0)
• Format ThingSpeak. (Tipe=1)
• Format Papan. (Tipe=3)

Pangguna bisa nemtokake jinis muatan nalika milih protokol sambungan. Example:

• AT+PRO=1,0 // Use COAP Connection & hex Payload
• AT+PRO=1,5 // Use COAP Connection & Json Payload
• AT+PRO=2,0 // Gunakake UDP Connection & hex Payload
• AT+PRO=2,5 // Gunakake UDP Connection & Json Payload
• AT + PRO = 3,0 // Gunakake MQTT Connection & hex Payload
• AT+PRO=3,5 // Gunakake MQTT Connection & Json Payload
• AT+PRO=4,0 // Gunakake TCP Connection & hex Payload
• AT+PRO=4,5 // Gunakake TCP Connection & Json Payload

General Json Format(Type=5)

Iki minangka Format Json Umum. Kaya ing ngisor iki:

{“IMEI”:”863663062798914″,”IMSI”:”460083513507314″,”Model”:”DDS75-NB”,”distance”:1752,”interrupt”:0,”interrupt_level”:0,”battery”:3.29,”signal”:17,”time”:”2024/11/21 08:31:30″,”1″:[2109,”2024/11/21 08:04:46″],”2″:[1015,”2024/11/21 07:49:45″],”3″:[1118,”2024/11/21 07:34:46″],”4″:[0,”2024/11/21 05:26:12″],”5″:[0,”2024/11/21 05:11:12″],”6″:[0,”2024/11/21 04:56:12″],”7″: [0,”2024/11/21 04:41:12″],”8″:[0,”2024/11/21 04:26:12″]}

Kabar, saka muatan ndhuwur:
Distance , Battery, Signal & time are the value at uplink time.
Entri Json 1 ~ 8 minangka 1 ~ 8 s pungkasanampling data as specify by AT+CLOCKLOG=1,65535,15,8 Command. Each entry includes (from left to right): Temperature,Humidity, Sampwektu ling.

Payload format HEX (Tipe=0)

Iki minangka Format HEX. Kaya ing ngisor iki: f863663062798914f46008351350731409820ce81101000008d1673ef0a1083d673ee99e03f7673ee619045e673e

Yen kita nggunakake klien MQTT kanggo langganan topik MQTT iki, kita bisa ndeleng informasi ing ngisor iki nalika data uplink sensor NB.

Device ID(f+IMEI): f863663062798914 = 863663062798914
SIM Card ID(f+IMSI): f460083513507314 = 460083513507314

Versi:
Byte iki kalebu versi hardware lan software.
Higher byte: Specify Sensor Model: 0x09 for DDS75-NB
Lower byte: Specify the software version: 0x82=130, means firmware version 1.3.0

BAT (Info Baterei):
Ex1: 0x0D38 = 3384mV

Kekuwatan sinyal:
Kekuwatan sinyal Jaringan NB-IoT.

Ex1: 0x13 = 19

• 0 -113dBm or less 1 -111dBm
• 2…30 -109dBm… -53dBm
• 31 -51dBm utawa luwih
• 99 Ora dingerteni utawa ora bisa dideteksi

interupsi:
If this packet is generated by interrupt or not.

Example:

• 0x00: Paket uplink normal.
• 0x01: Interrupt Uplink Paket.

Interrupt_level:
This byte shows whether the interrupt is triggered by a high or low level.

• Ex1: 0x00 Interrupt triggered by falling edge (low level)
• Ex2: 0x01 Interrupt triggered by rising edge (high level)

Jarak:
Njupuk kadohan. Jarak obyek datar 280mm - 7500mm.
Kanggo example, yen data sing sampeyan entuk saka register yaiku 0x0B 0x05, jarak antarane sensor lan obyek sing diukur yaiku
0B05(H) = 2821 (D) = 2821 mm.
Yen nilai sensor 0x0000, tegese sistem ora ndeteksi sensor ultrasonik.

Waktosamp:
Unit Timestamp Example: 6653ddb4(H) = 1716772276(D)
Lebokake nilai desimal menyang link iki (https://www.epochconverter.com) ) to get the time.

ThingsBoard Payload(Tipe=3)
Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.
{
“topic”: “2276492”,
"muatan": {
"IMEI": "863663062798914",
“Model”: “DDS75-NB”,
“distance”: 347,
“interrupt”: 0,
“interrupt_level”: 0,
"baterei": 3.38,
“signal”: 15,
“1”: [347, “2024/05/27 01:26:21”],
“2”: [250, “2024/05/27 00:57:17”],
“3”: [250, “2024/05/27 00:42:17”],
“4”: [250, “2024/05/27 00:27:17”],
“5”: [250, “2024/05/27 00:12:17”],
“6”: [250, “2024/05/26 23:57:17”],
“7”: [250, “2024/05/26 23:42:17”],
“8”: [250, “2024/05/26 23:27:16”] }
}

ThingSpeak Payload(Tipe=1)

This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~3 are:
Distance, Battery & Signal. This payload type only valid for ThingsSpeak Platform.

Kaya ing ngisor iki:
field1=Distance value&field2=Battery value&field3=Signal value

Tes Uplink lan Ganti Interval Update

Kanthi gawan, Sensor bakal ngirim uplink saben 2 jam
Pangguna bisa nggunakake printah ing ngisor iki kanggo ngganti interval uplink.

AT printah: AT+TDC

• Example: AT + TDC = 7200 // Setel Interval Update kanggo 7200 detik
• Printah Downlink: 0x01
• Format: Kode Perintah (0x01) diikuti 3 bita.
• Example: 12 jam = 43200 detik 43200(D)=0xA8C0(H)
• Downlink Payload: 01 00 A8 C0 // AT+TDC=43200, Set Update Interval to 12 hours.

Cathetan: Pangguna uga bisa menet tombol luwih saka 1 detik kanggo ngaktifake uplink.

Multi-Samplings lan One uplink

Kabar: The AT+NOUD feature is upgraded to Clock Logging, please refer Clock Logging Feature
To save battery life, DDS75-NB will sample distance data every 15 minutes and send one uplink every 2 hours.

So each uplink it will include 8 stored data + 1 real-time data. They are defined by:

• AT+TR=900 // Unit punika detik, lan standar kanggo ngrekam data sapisan saben 900 detik (15 menit, minimal bisa disetel kanggo 180 detik)
• AT + NOUD = 8 // Piranti ngunggah 8 set data sing direkam kanthi standar. Nganti 32 set data rekaman bisa diunggah.

Diagram ing ngisor iki nerangake hubungan antarane TR, NOUD, lan TDC kanthi luwih cetha:

Trggier uplink kanthi interupsi eksternal
DDS75-NB nduweni fungsi interupsi pemicu eksternal. Pangguna bisa nggunakake pin GPIO_EXTI kanggo micu unggahan paket data.

perintah AT:

• AT+INTMOD // Setel mode interupsi pemicu
• AT+INTMOD=0 // Pateni Interrupt
• AT+INTMOD=1 // Pemicu kanthi munggah lan mudhun
• AT+INTMOD=2 // Pemicu dening pinggiran tiba
• AT+INTMOD=3 // Pemicu dening pinggiran munggah

Weker Jarak

Fitur: Set alarm of LDDS and NMDS.
AT command: AT+LDDSALARM (Range:280mm – 7500mm)

Example: AT+LDDSALARM=500,2000 // Set the alarm threshold
Downlink command: 0X08
Format: Kode Perintah (0x08) diikuti 4 bita.
Example: Downlink Payload: 08 01 F4 07 D0 //AT+LDDSALARM=500,2000

Log jam (Wiwit firmware versi v1.2.1)
Kadhangkala nalika kita nyebarake akeh simpul pungkasan ing lapangan. Kita pengin kabeh sensor sample data ing wektu sing padha, lan upload data iki bebarengan kanggo analisis. Ing kasus kaya mengkono, kita bisa nggunakake fitur logging jam.
Kita bisa nggunakake printah iki kanggo nyetel wektu wiwitan ngrekam data lan interval wektu kanggo nyukupi syarat wektu koleksi tartamtu data.

AT printah: AT+CLOCKLOG=a,b,c,d

• a: 0: Pateni logging Jam. 1: Aktifake Clock Logging
• b: Nemtokake First sampling wiwitan kapindho: sawetara (0 ~ 3599, 65535) // Wigati: Yen parameter b disetel kanggo 65535, periode log diwiwiti sawise simpul ngakses jaringan lan ngirim paket.
• c: Nemtokake sampInterval ling: sawetara (0 ~ 255 menit)
• d: Pira entri sing kudu disambungake ing saben TDC (maks 32)

Cathetan: To disable clock recording, set the following parameters: AT+CLOCKLOG=1,65535,0,0

Example: AT +CLOCKLOG=1,0,15,8
Device will log data to memory start from the 0* second (11:00 00″ of first hour and then sampling and log every 15 minutes.Every TDC uplink, the uplink payload will consist: Battery info + last 8 memory record with timestamp + paling anyar sample ing wektu uplink). Deleng ing ngisor iki kanggo mantanample.

AT+CLOCKLOG=1,65535,1,5
Sawise simpul ngirim paket pisanan, data direkam menyang memori kanthi interval 1 menit. Kanggo saben uplink TDC, beban uplink bakal kalebu: informasi baterei + 5 cathetan memori pungkasan (payload + kapingamp).

Cathetan: Users need to synchronize the server time before configuring this command. If the server time is not synchronized before this command is configured, the command takes effect only after the node is reset.

• Printah Downlink: 0x0A

Format: Kode Perintah (0x0A) diikuti 5 bita.

• Example 1: Downlink Payload: 0A01FFFF0F08
  // Set SHT record time: AT+CLOCKLOG=1,65535,15,8
• Example 1: Downlink Payload: 0A0104B00F08
  // Set SHT record time:
  AT+CLOCKLOG=1,1200,15,8

Cathetan: When entering the downlink payload, there must be no Spaces between bytes.

Example Query nyimpen cathetan sajarah

• perintah AT: AT+CDP

Prentah iki bisa digunakake kanggo nggoleki riwayat sing disimpen, ngrekam nganti 32 klompok data, saben klompok data historis ngemot maksimal 100 bita.

pitakon log uplink

• perintah AT: AT+GETLOG

Printah iki bisa digunakake kanggo takon log hulu paket data.

Résolusi jeneng domain sing dijadwal
This command is used to set up scheduled domain name resolution.

perintah AT:

• AT+DNSTIMER=XX // Unit: jam

Sawise nyetel printah iki, resolusi jeneng domain bakal dileksanakake ajeg.

Set the QoS level
This command is used to set the QoS level of MQTT.

perintah AT:

• AT+MQOS=xx // 0~2

Downlink command: 0x07

• Format: Command Code (0x07) followed by 1 byte.
• Ex1: Downlink payload: 0x0700 //AT+MQOS=0
• Ex2: Downlink payload: 0x0701 //AT+MQOS=1

Set CoAP option
Printah iki nyetel paramèter sambungan saka COAP.

perintah AT:

• AT+URI1 // CoAP option name, CoAP option length, “CoAP option value”
• AT+URI2 // CoAP option name, CoAP option length, “CoAP option value”
• AT+URI3 // CoAP option name, CoAP option length, “CoAP option value”
• AT+URI4 // CoAP option name, CoAP option length, “CoAP option value”

Example:

• AT+URI1=11,38,”i/faaa241f-af4a-b780-4468-c671bb574858″

Set the downlink debugging mode(Since firmware v1.3.0)
Fitur: Set the conversion between the standard version and 1T version downlinks.

perintah AT: AT+DOWNTE

Prentah Example	Fungsi/Parameter	Wangsulan / Katrangan
AT+DOWNTE=?	Entuk Setelan saiki	0,0 (standar) OK
AT+DOWNTE=a,b	a: Set the conversion between the downlink of the standard version and 1T version	0: Set the downlink of the standard version. 1: Set the downlink of the 1T version(ThingsEye platform)
	b: Enable/Disable downlink debugging	0: Disable downlink debugging mode. 1: Enable downlink debugging mode, users can see the original downlink reception.

Example:
AT+DOWNTE=0,1 // Set to standard version downlink, and enable downlink debugging.
AT+DOWNTE=1,1 // Set to 1T version downlink, and enable downlink debugging.

Perintah Downlink:
Ora ana printah downlink kanggo fitur

Domain name resolution settings(Since firmware v1.3.0)

Fitur: Set dynamic domain name resolution IP.

perintah AT: AT+BKDNS

Prentah Example	Fungsi/Parameter	Wangsulan / Katrangan
AT+BKDNS=?	Entuk Setelan saiki	0,0,NULL (standar) OK
AT+BKDNS=a,b,c	a: Enable/Disable dynamic do- main name resolution.	1: Disable dynamic domain name update. The ip address will be saved after the domain name is resolved, if the next domain name resolution fails, the last saved ip address will be used. 2: Enable dynamic domain name update. The ip address will be saved after domain name resolution, if the next domain name resolution fails, the last saved ip address will be used, and the domain name resolution will be up- dated regularly according to the time set by the customer.
	b: Set the time to update the domain name resolution at reg- ular intervals.	Unit: jam
	c: Set the IP address manually.	The format is the same as AT+SERVADDR. If domain name resolution fails, this ip address will be used directly, if domain name resolution succeeds, parameter c will be updated to the successfully resolved IP address.

Example:

• AT+BKDNS=1,0 // Dynamic domain name resolution is disabled.
• AT+BKDNS=2,1 // The dynamic domain name resolution function is enabled and the automatic update time is set to 1 hour.
• AT+BKDNS=2,4,3.69.98.183,1883 // The dynamic domain name resolution function is enabled and the automatic update time is set to 4 hour, and manually set the ip address, if the domain name failed to resolve, it will directly use this ip to communicate.

When the next domain name resolution is successful, it will be updated to the ip address of the successful resolution.

Perintah Downlink:
Ora ana printah downlink kanggo fitur

Configure DDS75-NB

Konfigurasi Metode
DDS75-NB ndhukung metode konfigurasi ing ngisor iki:

AT Command via Bluetooth Connection (Recommended): BLE Configure Instruction .
AT Command via UART Connection : See UART Connection .

Serial Access Password
After the Bluetooth or UART connection is successful, use the Serial Access Password to enter the AT command window.

The label on the box of the node will print the initial password: AT+PIN=xxxxxx, and directly use the six-digit password to access the AT instruction window.

Yen sampeyan kudu ngganti tembung sandhi, gunakake AT+PWORD=xxxxxx (6 karakter), simpul NB mung ndhukung huruf cilik.

Cathetan: After entering the command, you need to add a line break, and you can also set automatic line breaks in the Bluetooth tool or UART connection tool.

AT Command Set

• AT+ ? : Bantuan
• AT+ : Mlayu
• AT+ = : Setel nilai
• AT+ =? : Entuk regane

Perintah Umum

• AT: Attention
• AT? : Pitulung Singkat
• ATZ: MCU Reset
• AT+TDC: Application Data Transmission Interval
• AT+CFG: Print all configurations
• AT+CFGMOD: Working mode selection
• AT+DEUI: Get or set the Device ID
• AT+INTMOD: Set the trigger interrupt mode
• AT+5VT: Set extend the time of 5V power
• AT+PRO: Choose agreement
• AT+RXDL: Extend the sending and receiving time
• AT+DNSCFG: Get or Set DNS Server
• AT+GETSENSORVALUE: Ngasilake pangukuran sensor saiki
• AT+NOUD: Get or Set the number of data to be uploaded
• AT+CDP: Read or Clear cached data
• AT+SERVADDR: Server Address

Manajemen MQTT

• AT+CLIENT: Get or Set MQTT client
• AT+UNAME: Get or Set MQTT Username
• AT+PWD: Get or Set MQTT password
• AT+PUBTOPIC: Get or Set MQTT publish topic
• AT+SUBTOPIC: Get or Set MQTT subscription topic

Informasi

• AT+FDR: Factory Data Reset
• AT+PWORD: Serial Access Password
• AT+LDATA: Get the last upload data
• AT+CDP: Read or Clear cached data

Baterei & Konsumsi Daya

DDS75-NB use ER26500 + SPC1520 battery pack. See link below for detail information about the battery info and how to replace.
Info Baterei & Analisis Konsumsi Daya .

Nganyari firmware

User can change device firmware to:

• Nganyari nganggo fitur-fitur anyar.
• Ndandani bug.

Firmware lan changelog bisa diundhuh saka: Link download firmware

Cara nganyari firmware:

• (Recommended way) OTA firmware update via BLE: Instruction .
• Update through UART TTL interface: Instruction .

Trouble Shooting

Napa maca sensor nuduhake 0 utawa "Ora ana sensor"

1. Obyek pangukuran cedhak banget karo sensor, nanging ing titik wuta sensor.
2. Wiring sensor pedhot
3. Ora nggunakake decoder sing bener

Abnormal readings The gap between multiple readings is too large or the gap between the readings and the actual value is too large.

1. Please check if there is something on the probe affecting its measurement (condensed water, volatile oil, etc.)
2. Does it change with temperature, temperature will affect its measurement
3. If abnormal data occurs, you can turn on DEBUG mode, Please use downlink or AT COMMAN to enter DEBUG mode.downlink command: F1 01, AT command: AT+DDEBUG=1
4. Sawise ngetik mode debug, bakal ngirim 20 potongan data sekaligus, lan sampeyan bisa ngirim uplink menyang kita kanggo analisis

Muatan asli bakal luwih dawa tinimbang data liyane. Sanadyan lagi diurai, bisa dideleng yen data kasebut ora normal.
Mangga ngirim data kanggo kita kanggo mriksa.

Info Pesenan

Part Number: DDS75-NB-XX

XX:

• GE: Versi Umum ( Ora kalebu kertu SIM)
• 1T: with 1NCE * 10 years 500MB SIM card and Pre-configure to ThingsEye server

Info Packing

Paket kalebu:

• DDS75-NB NB-IoT Distance Detection sensor x 1
• Antena eksternal x 1
• Ukuran lan bobot:
• Ukuran piranti: 13.0 x 5 x 4.5 cm
• Bobot piranti: 150g
• Package Size / pcs: 14.0 x 8x 5 cm
• Weight / pcs: 180g

Dhukungan

• Dhukungan diwenehake dina Senen nganti Jumuah, wiwit jam 09:00 nganti 18:00 GMT + 8. Amarga zona wektu sing beda, kita ora bisa menehi dhukungan langsung. Nanging, pitakon sampeyan bakal dijawab sanalika bisa ditindakake ing jadwal sing wis kasebut sadurunge.
• Nyedhiyani akeh informasi babagan pitakonan sampeyan (model produk, njlèntrèhaké masalah sampeyan kanthi akurat lan langkah-langkah kanggo niru, lsp) lan ngirim email menyang Dhukungan@dragino.cc .

FAQ

Suwene suwene baterei ing daya lengkap?

The 8500mAh Li-SOCI2 battery can last several years on a full charge under normal usage conditions.

Can I change the default IoT server connection settings?

Yes, you can configure the IoT server connection settings to connect to a different server if needed. Refer to the user manual for detailed instructions on changing server settings.

Carane aku bisa ngakses t BC660K-GL AT Commands?

Pangguna bisa ngakses langsung menyang BC660K-GL lan ngirim AT Commands. Waca BC660K-GL AT Command pesawat

Can I use DDS75-NB in condensation environment?

DDS75-NB ora cocok kanggo digunakake ing lingkungan kondensasi. Kondensasi ing probe DDS75-NB bakal mengaruhi maca lan mesthi entuk 0.

How to configure the certificate?

Pangguna bisa ngrujuk katrangan iki kanggo ngatur sertifikat.

Dokumen / Sumber Daya

Dragino DDS75-NB NB-IoT Sensor Deteksi Jarak [pdf] Manual pangguna DDS75-NB Sensor Deteksi Jarak NB-IoT, DDS75-NB, Sensor Deteksi Jarak NB-IoT, Sensor Deteksi Jarak, Sensor Deteksi

Referensi

• Manual pangguna