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Summary of Contents for PUSR USR-DR154
- Page 1 USR-DR154 User Manual “Lipstick”Size 4G Modem User Manual USR-DR154 V2.0 Be Honest & Do Best Your Trustworthy Smart Industrial IoT Partner .pusr.com...
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Page 2: Table Of Contents
5.2. Heartbeat packet ..........................- 27 - 5.3. Modbus Gateway ..........................- 29 - 5.4. Socket Distribution Protocol ......................... - 29 - 5.5. PUSR Cloud ............................- 30 - 5.6. FTP upgrade ............................- 30 - 5.7. NTP ..............................- 31 - .pusr.com... - Page 3 USR-DR154 User Manual 5.8. Firmware Upgrade ..........................- 32 - 5.9. Restore to Factory Default Settings ...................... - 33 - 5.10. Timeout Restart ..........................- 33 - 6. AT Commands ............................... - 33 - 6.1. AT Command Settings ..........................- 34 - 6.2.
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Page 4: Introduction
USR-DR154 User Manual 1. Introduction USR-DR154-E is a LTE CAT 1 communication modem, which supports LTE band, covers the mainstream frequency bands of European operators. It has perfect software function, supports TCP/UDP transparent transmission, HTTPD Client mode MQTT client mode and AT command configuration. In addition, it is simple to configure, has high reliability and built-in hardware watchdog, supports FOTA upgrading. -
Page 5: Indicator Status Description
HTTP client, MQTT Client Software Registration Packet √ Features Heartbeat Packet √ Modbus Gateway Modubs RTU to Modbus TCP conversion Remote Management PUSR Cloud(Not available in Europe) Configuration Config Tools, AT command Operating Temprature -25℃~+75℃ Storage Temprature -40℃~ +85℃ Environmental Operating Humidity 5%~95%(Non-condensing) -
Page 6: Dimensions
On: when socketA is in connectivity. Off: when socketA is not in connectivity 1.4. Dimensions Unit: mm 1.5. Serial port USR-DR154 series adopts push-type terminal connector, which can realize wiring conveniently and quickly. Terminal wiring definitions are shown below. Pin description Table 2. Type... -
Page 7: Get Started
USR-DR154 User Manual The digital ground 2. Get started 2.1. Preparations 2.1.1. Hardware USB to RS485 converter*1 PC*1 USR-DR154-E*1 4G antenna*1 Power Supply*1 SIM card*1 2.1.2. Configuration software Configuration software downloading: 插入下载地址 2.1.3. Hardware connection and test Description: 1.In PC serial parameter setting area, it is necessary to set the serial parameters consistent with the serial device, otherwise they cannot communicate with each other. -
Page 8: Serial Port
USR-DR154 User Manual 3. Serial port 3.1. Basic Parameters Serial parameters of USR-DR154-E must be consistent with the parameters of the serial device. Serial port parameters include basic parameters and framing parameters. Item Parameter Baud rate 1200~230400bps Data bit Stop bit... -
Page 9: Frame Forming Mechanism
USR-DR154 User Manual 3.2. Frame Forming Mechanism 3.2.1. Time Trigger When DR154-E receives data from the UART, it continuously checks the interval of two adjacent bytes. If the interval time is greater or equal to a certain "time threshold", then a frame is considered finished, otherwise the data is received until greater or equal to the packet length byte set. -
Page 10: Operating Mode
Note: L is the packaging length. 4. Operating Mode USR-DR154-E has three operating modes: transparent mode, HTTPD Client mode and MQTT mode. 4.1. Transparent Mode In this mode, users do not need to pay attention to the data conversion process, can realize the bidirectional data transparent transmission between serial devices and network servers. - Page 11 AT+S Save all parameters and restart Test Connect the serial port of USR-DR154-E to the computer via a RS485 serial to USB cable, send data from the utility, the test server will return the same data to serial port. .pusr.com...
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Page 12: Httpd Client
USR-DR154 User Manual 4.2. HTTPD Client In this mode, user’s terminal device can send request data to the specified HTTP server through this modem, then the modem receives data from HTTP server, parses and sends data to the serial device. - Page 13 USR-DR154 User Manual Set by AT command: Command Operation +++a Enter serial AT command mode AT+WKMOD=HTTPD Set the work mode to HTTPD Client AT+HTPTP=GET Set the HTTP request type to GET AT+HTPURL=/1.php? Set the HTTP URL AT+HTPSV=39.99.166.146,80 Set the HTTP server address and port...
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Page 14: Mqtt Mode
4.3.1.1. Basic parameters In this mode, USR-DR154 works as an MQTT Client, which can help users quickly access the built private MQTT server or public MQTT IoT cloud platform. Users do not need to pay attention to the data conversion process between serial port data and network data packets, and can realize data transparent transmission between serial port and server only through simple parameter settings. - Page 15 USR-DR154 User Manual Options Descriptions Default MQTT Mode Whether to enable MQTT mode MQTT Version V3.1, V3.1.1 V3.1 MQTT Server IP MQTT server domain name or IP address mqtt.usr.cn Port MQTT server port 1883 Client ID MQTT client identifier. Not repeatable when connected to the 123456 same MQTT server.
- Page 16 USR-DR154 User Manual client subscribing to the will topic will receive the set will. Will topic Will topic /will Will payload Will content offline QOS of the will, can be set: 0: at most once. 1: at least once. 2: Accurate once.
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Page 17: Aws Iot Service
USR-DR154 User Manual 4.3.1.3. Communication test 4.3.2. AWS IoT Service DR154-E supports connecting to AWS IoT platform via MQTT. https://aws.amazon.com/ , log in to the IoT console, choose AWS Management Console. Visit .pusr.com - 17 -... - Page 18 USR-DR154 User Manual 4.3.2.1. AWS IoT Configuration 1. In Things, click to Create things--Create single thing. .pusr.com - 18 -...
- Page 19 USR-DR154 User Manual 2. Edit the Thing name, click Next. 3. Choose Auto-generate a new certificate. Then click Next. .pusr.com - 19 -...
- Page 20 USR-DR154 User Manual 4. Create Policy. 5. Edit the Policy name, change the Policy effect to Allow, the Policy action and Policy resource to *. .pusr.com - 20 -...
- Page 21 USR-DR154 User Manual 6. After created, return to the previous certificate interface, attach the new created policy to this certificate. Then click Create thing. 7. Download 4 certificates in below interface. Then click Done. .pusr.com - 21 -...
- Page 22 USR-DR154 User Manual 8. Now new thing has been added successfully. 9. In Settings, copy the AWS server address that needs to be filled in DR154-E device. .pusr.com - 22 -...
- Page 23 USR-DR154 User Manual 4.3.2.2. DR154-E device configuration You can use an RS485 to USB adaptor to connect the serial port of DR154-E device to the computer. Then open the CAT1 setup software to configure the MQTT parameters. 1. Here we choose Generic MQTT mode, the MQTT server IP should be the one that we copied in AWS Cloud, and the MQTT port is 8883.
- Page 24 USR-DR154 User Manual 4.3.2.3. Data Transmission Test In AWS IoT platform, click MQTT test client, publish data from AWS to the subscribed topic of DR154 device , we can receive it from the serial port of DR154-E device. Subscribe the publish topics of DR154-E device in AWS, we can receive the data sent from the serial port of DR154-E device.
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Page 25: Ssl/Tls Encryption
USR-DR154 User Manual In this way, we can achieve the bi-directional communication between serial device and AWS cloud via DR154-E device. 4.3.3. SSL/TLS encryption In MQTT mode, the device supports SSL/TLS encryption. If the target server enables SSL certificate verification, you need to configure the SSL encryption parameters. -
Page 26: General Function
USR-DR154 User Manual Command Operation +++a Enter serial AT command mode AT+SSLEN=ON Enable SSL encryption AT+SSLAUTH=ALL two-way verification authentication Enable AT+SSLVER=TLS12 Selects TLS1.2 version AT+SSLCRT=0,Content of certificate CA certificate AT+S Save all parameters and restart 5. General Function 5.1. Identity packet In transparent mode, user can set the device to send identity package to the server. -
Page 27: Heartbeat Packet
USR-DR154 User Manual Set by AT command: Command Operation +++a Enter AT command mode AT+WKMOD=NET Set the work mode to NET AT+REGEN=ON Enable identity package function AT+REGTP=USER Set the type to User-defined AT+REGDT=7265676973746572646 Set the User-defined data in HEX. 174613031... - Page 28 USR-DR154 User Manual ICCID: Unique SIM identification code, for applications based on SIM card identification. IMEI: Unique identification code of the Internet modem, which is mainly used in device identification, has nothing to do with SIM card. SN: Serial number.
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Page 29: Modbus Gateway
Save all parameters and restart 5.4. Socket Distribution Protocol USR-DR154-E supports socket distribution protocol. When a device is connected to multiple sockets, can send different serial data to different servers via this protocol. Data returned from different server will also be sent to the serial port with the socket distribution protocol. -
Page 30: Pusr Cloud
USR-DR154 User Manual Socket distribution protocol data follows the packaging mechanism, the total length of the real data and socket distribution protocol must be less than the packaging length. This function is valid in transparent mode, disabled by default, can be set via AT command: AT+SDPEN. -
Page 31: Ntp
USR-DR154 User Manual 5.7. NTP USR-DR154-E supports connecting to the NTP server for time synchronization. This function defaults to be disabled, support connecting to up to 4 NTP servers. User can send “AT+CCLK” or “AT+CCLK?” to query the current time. -
Page 32: Firmware Upgrade
USR-DR154 User Manual Command Operation +++a Enter serial AT command mode AT+NTPEN=ON Enable NET function AT+NTPSVR=cn.ntp.org.cn,us.ntp. Set the NTP server address org.cn AT+NTPTM=60 Set the NTP calibration interval AT+S Save all parameters and restart 5.8. Firmware Upgrade DR154-E supports upgrading via FOTA or USB. For FOTA upgrading, please contact us for technical support. -
Page 33: Restore To Factory Default Settings
USR-DR154 User Manual click “Stop”, then close the tool. 5.9. Restore to Factory Default Settings 1.Hardware reset: After power on, press the “Reload” button in the device for 3~15S to restore the device to factory parameters. 2.Software reset: After enter AT command mode, send “AT+CLEAR” from the serial port to restore the device. -
Page 34: At Command Settings
USR-DR154 User Manual Every AT command must add character carriage return <CR> and line feed <LF>. In Hex, <CR> is 0x0D <LF> is 0x0A. For detailed AT commands, please check the AT commands set. 6.1. AT Command Settings Enter AT command mode: 1.Send “+++”... -
Page 35: Network At Commands
USR-DR154 User Manual The command prefix can be set by AT+CMDPW,like AT+CMDPW=USR.CN 6.3. Network AT Commands In transparent mode, you can also send “Command prefix+AT command” from the network side to query or change the modem’s parameter settings. The network AT command is enabled by default, and the default command prefix is 4G DTU. -
Page 36: Contact Us
USR-DR154 User Manual Example: query socket A status, there is a carriage return and line feed after the AT command. 7. Contact Us Jinan USR IOT Technology Limited Address : Floor 12 and 13, CEIBS Alumni Industrial Building, No. 3 Road of Maolingshan, Lixia District, Jinan, Shandong, China Official website: https://www.pusr.com... - Page 37 USR-DR154 User Manual to specifications and product descriptions at any time without notice. USR IoT and/or its affiliates do not make any commitment to update the information contained in this document. .pusr.com - 37 -...
- Page 38 USR-DR154 User Manual Official Website: www.pusr.com shop.usriot.com Official Shop: Technical Support: h.usriot.com Inquiry Email: inquiry@usriot.com Skype & WhatsApp: +86 13405313834 关注有人微信公众号 登录商城 Product Catalog Facebook Youtube Click to view more: & & .pusr.com...
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