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Figure 4-3-4 Client successfully 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 port 1.

Step 1: Select

Modbus-Net-Bridge

.

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Summary of Contents for InDTU324

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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