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3 Hardware description

3.1 Installation

3.1.1 InDTU332

DTU332 is housed in a snap-type plastic shell. Figure 3-1-1 shows:

Figure 3-1-1

Open the case, slide the top cover, insert the SIM card correctly, and then close the top cover, as
shown in Figure 3-1-2.

Figure 3-1-2 Installing SIM card into DTU332

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Содержание InDTU324

Страница 1: ...I InDTU332 324 USER MANUAL Version V1 0 November 2019...

Страница 2: ...nd interpretation 2019 InHand Networks All rights reserved Conventions Symbol Indication Content in angle brackets indicates a button name For example the OK button indicates a window name or menu nam...

Страница 3: ...bus Net Bridge 19 4 5 Multi application Center 21 4 6 Connecting the DTU to the DM Cloud Platform 22 4 7 Transmission Mode 24 4 8 ICMP Link Maintenance Function 24 4 9 Dual SIM Switching Function 26 4...

Страница 4: ...Mode 47 6 3 GPRS Dialing 48 6 4 Application Center 48 6 5 Multi application Center 49 6 6 Multi center mechanism 50 6 7 Other Settings 50 6 8 InHand Device Manager DM platform 51 6 9 Administrator Ac...

Страница 5: ...re 1 1 1 network topology 1 2 Function Description 1 2 1 Hardware It has the following features It is based on a high performance microprocessor that integrates a wireless module for wireless communic...

Страница 6: ...rotocol conversion Custom UDP for DC and Modbus bridge Long connection DTU will actively dial up and establish a PPP link Short connection DTU does not actively dial up and establish a PPP link Accord...

Страница 7: ...on mode PAP Authentication mode Automatic authentication Uses PAP and CHAP in turn When a client requests to go online DTU performs PAP authentication first If the authentication fails DTU performs CH...

Страница 8: ...ll or parallel mode The application cernter IP center must be configured firstly and then configure the extended center in sequence Link maintenance To avoid network congestion caused by the problem o...

Страница 9: ...configure the DTU parameters including the IP address APN and port number 4 Enable the DTU to communicate with the master station and read data from the terminal For details see section 4 2 Connecting...

Страница 10: ...nDTU332 DTU332 is housed in a snap type plastic shell Figure 3 1 1 shows Figure 3 1 1 Open the case slide the top cover insert the SIM card correctly and then close the top cover as shown in Figure 3...

Страница 11: ...5 Data sending port of serial port 1 RXD 485 RS232 receiving or RS485 Data receiving port of serial port 1 RXD2 RS232 data receiving Data receiving port of serial port 2 TXD2 RS232 data Transmitting D...

Страница 12: ...the end with your hand until the external threads of the antenna connection wire cannot be seen Do not hold the black rubber sleeve and twist the antenna forcibly See Figure 3 1 6 Figure 3 1 6 Instal...

Страница 13: ...t 2 for receiving data 7 GPI General GPIO port reserved 8 GND DGND for COM port grounding 9 GND Negative pole of power input 10 V Positive pole of power input 3 2 LED Indicator 3 2 1 InDTU332 InDTU332...

Страница 14: ...DTU STATUS POWER SIM STATUS Power on On Off Off Dialing no fault On Off Off Dialing fault On Off On In AT TROY mode On Flash alternately Dialing is successful and connecting the center On On Off Shor...

Страница 15: ...DTU332 wiring Figure 4 1 2 DTU324 wiring 4 2 Connecting the DTU to the Master Station Step 1 Access the Device Manager UI of the PC and record the COM number of the serial port to which the PC is con...

Страница 16: ...select the recorded COM number check Automatic and click Connect as shown in Figure 4 2 2 Modify the configuration parameters after the Configuration read succeeded message is displayed as shown in Fi...

Страница 17: ...l port 1 when the InDTU acts as a client and set the parameters of serial port 2 when the InDTU acts as a server Default settings of serial port 1 9600 8 None 1 default settings of serial port 2 11520...

Страница 18: ...14 Figure 4 2 5 Set SIM card parameters Step 4 Select a transparent transmission protocol Figure 4 2 6 Selecting a connection protocol...

Страница 19: ...nted as a byte In an ASCLL type packet spaces are not counted as bytes A packet contains a maximum of 32 bytes If the DC type is selected the packet content does not need to be configured Choose Confi...

Страница 20: ...network service is required The DTU detects link availability by monitoring the wireless side data If there is no data from the wireless side in two hours this interval cannot be set GPRS disconnects...

Страница 21: ...17 Figure 4 3 1 Setting the TCP server 1 Step 3 Enter the APN provided by the SIM card operator and the network dial username password as shown in Figure 4 3 2 Figure 4 3 2 Setting the TCP server 2...

Страница 22: ...n in Figure 4 3 3 Figure 4 3 3 Setting the TCP server 3 Step 5 After setting the parameters click Save configurations The parameter settings take effect after a restart Step 6 In InDTU3XX_STD_V1 5 4 a...

Страница 23: ...connected 4 4 Modbus Net Bridge Modbus Net Bridge is used for conversion between Modbus RTU and Modbus TCP The Modbus TCP master station can access the Modbus RTU device connected to local serial por...

Страница 24: ...Figure 4 4 1 Modbus Net Bridge setting 1 Step 2 Enter the APN provided by the SIM card operator and the network dial username password as shown in Figure 4 4 2 Figure 4 4 2 Modbus Net Bridge setting...

Страница 25: ...rt 4 5 Multi application Center Step 1 Choose Configurations All Configurations setting Application center setting Application center Figure 4 5 1 Setting Gateway IP Step 2 Choose Configurations All C...

Страница 26: ...ay Step 3 Repeat steps 1 and 2 to set extended application gateways in sequence 4 6 Connecting the DTU to the DM Cloud Platform Select SMS IP access the DM address page enter the address of the DM clo...

Страница 27: ...23 Figure 4 6 1 Connecting to the DM cloud platform 1 Figure 4 6 2 Connecting to the DM cloud platform 2...

Страница 28: ...center Local data active Send data to the InDTU via serial port 1 of the device for activation Figure 4 7 1 Selecting a connection type and an activation method 4 8 ICMP Link Maintenance Function ICMP...

Страница 29: ...25 Figure 4 8 1 ICMP parameter setting Figure 4 8 2 Link maintenance parameter setting...

Страница 30: ...t connecting the center to Open as shown in Figure 4 9 1 Figure 4 9 1 Dual SIM switching setting 1 Step 2 Choose Configurations All Configurations Setting Application center setting and set Applicatio...

Страница 31: ...ple 1 Currently one center is configured and Max login times is set to 3 When the number of failures to establish a connection to the center reaches 6 the SIM card is switched for redialing 2 Currentl...

Страница 32: ...4 If multiple centers need to be configured choose Configurations All Configurations Setting Multi application center setting Extended application center 1 and complete the settings as shown in Figur...

Страница 33: ...es 20 the SIM card is switched for redialing Step 5 Choose Configurations All Configurations Setting Multi center mechanism setting and set Max reconnect interval as required the default value is 15s...

Страница 34: ...e SIM 1 slot is faulty for example the SIM card is not detected 5 The signal strength is low CSQ 8 insufficient for data communication 6 Network registration fails 7 Network attaching fails 8 Dialing...

Страница 35: ...og History log To display logs click Start reading Wait for several seconds and the logs are displayed To stop updating the logs click Stop reading To delete all displayed logs click Clear Screen To e...

Страница 36: ...32 Figure4 10 2Viewing real time logs Figure4 10 3Viewing real time logs...

Страница 37: ...33 Figure4 10 4 Viewing History logs 4 10 2 101 Detection Prerequisite The DTU is connected to the master station that supports the 101 balanced protocol Figure 4 10 5 Connected state...

Страница 38: ...34 Choose Maintenance 101 detection to start detection The Detection success message is displayed after detection is completed Figure 4 10 6 101 detection 1 Figure 4 10 7 101 detection 2...

Страница 39: ...supports below 2 types configuration file The ini or cfg file is a plain text file with comments and easy to read view The ini or cfg file is a binary file with a smaller file size Step 1 After estab...

Страница 40: ...e button to start the upgrade and its progress bar is displayed as shown in Figure 3 5 3 Popup a message box to remind you restart the device as shown in Figure 3 6 4 The DTU device will establish a c...

Страница 41: ...37 Figure4 11 3 select firmware Figure4 11 4 upgrade firmware...

Страница 42: ...38 Figure4 11 4 popup after upgrade Figure4 11 5 confirm the upgrade result...

Страница 43: ...onfigurations setting Other setting and select a power mode for the DTU as shown in Figure 4 11 6 Figure 4 11 6 Selecting a power mode 4 11 5 Restoring Factory Settings Connect the device and click Fa...

Страница 44: ...Step 1 Choose Configurations All configurations setting Application center setting and enable the SNTP service to synchronize the time on the device with the current time When the default SNTP server...

Страница 45: ...ntent For example the short message content to be sent is hello0123456 Step 1 Encapsulate the destination phone number short message content and short message format into an SMS command according to t...

Страница 46: ...ample 1 Step 3 Click Send After the short message is sent serial port 1 receives two acknowledgment instructions among which the second instruction indicates whether the sending succeeds 01 succeeded...

Страница 47: ...43 Figure 4 11 9 Failure to send a short message Step 4 Check whether the phone receives a message The phone receives hello0123456 if the sending succeeds and receives no message if the sending fails...

Страница 48: ...DTU is normal 2 DTU332 DTU324 is powered on but power indicator is off Troubleshooting procedure 1 Check whether the DTU is securely connected to the power converter 2 Check that the 100 V AC to 240...

Страница 49: ...e serial port cable whether the PC serial port works normally and whether the port selected by software is correct 2 Check whether the output voltage can reach 5 V DC to 35 V DC and whether the polari...

Страница 50: ...ble 6 1 Parameter settings for serial port Parameters Description Default Baud rate 1200 2400 4800 9600 14400 19200 38400 57600 or 115200 in bps serial port 1 9600 serial port 1 115200 Data bit 5 6 7...

Страница 51: ...bled SMS active Enable or disable SMS active Enabled Local data active Enable or disable local data flow active Enabled Auto active interval 5 1440 minute 0 Auto offline interval 0 60 minutes the mini...

Страница 52: ...rs about each SIM GPRS dial number The dial number to access the special cellular network 99 1 APN Access Point Name cmnet APN user name Account for login the APN gprs APN password Password for login...

Страница 53: ...ver IP IP address or domain name for SNTP server time nist gov Exchange local serial ports OFF means that serial port No 1 is working port port No 2 is for debug ON means that exchange the role of por...

Страница 54: ...center 5 Poll 6 7 Other Settings Table 6 7 Setting application extension parameters Parameters Description Default Max log in times Max login times 5 Allow telnet Enable or disable telnet function No...

Страница 55: ...the device 0 DM address IP address domain name and port number for DM 0 0 0 0 g inhandn etworks com 20003 Heart beat interval Set the heartbeat interval between the DTU and the platform The value ran...

Страница 56: ...o communication data flow at this time interval ICMP detection will start 10 ICMP host The destination IP address for ICMP If the IP is empty the application center IP will be detected by ICMP 0 0 0 0...

Страница 57: ...tion center to DTU when login Empty Heartbeat The data content and format of heartbeat packet form DTU to application center after connected Empty Heartbeat ack The data content and format of heartbea...

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