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4.5 Modbus RTU Master

The DXM1200 can be a Modbus RTU master device to other slave devices.
The DXM1200 uses the primary RS-485 port as a Modbus RTU master to control external slave devices. All wired devices

connected to the master RS-485 port must be slave devices. As a Modbus RTU master device, the DXM1200 controls

external slaves connected to the primary RS-485 port, the local ISM radio, local I/O base board, and the local display board.
Use the DXM Configuration Software to define operational settings for both the Modbus RTU master port and the Modbus

RTU slave port.
The basic communications parameters for the RS-485 ports are set in the DXM Configuration Software and are saved in the

XML configuration file. All basic settings are available under Settings > System screen.
Master port parameters include:

• Baud rate and parity

• Set the Communications Timeout parameter to cover the expected time for messages to be sent throughout the

wireless network. For the DXM1200, the Communications Timeout parameter is the maximum amount of time the

DXM1200 should wait after a request is sent until the response message is received from the Modbus slave device.

• Delay Between Messages sets the minimum wait time from the end of a Modbus transaction to the beginning of the

next Modbus transaction.

Figure 13. Settings > General screen

Sure Cross

®

 DXM1200-Bx Wireless Controller

 

 

28

www.bannerengineering.com - Tel: + 1 888 373 6767

 

Summary of Contents for Sure Cross DXM1200-Bx

Page 1: ...Sure Cross DXM1200 Bx Wireless Controller Instruction Manual Original Instructions Rev A 3 April 2020 Banner Engineering Corp All rights reserved ...

Page 2: ... Ethernet 24 4 3 USB 24 4 4 Internal Local Registers Slave ID 199 for the DXM700 DXM1000 and DXM1200 25 4 5 Modbus RTU Master 28 5 Cellular Modem Boards 29 5 1 Cellular Modem Board for GSM and LTE 29 5 2 Cellular Power Requirements 29 5 3 Using the DXM Cellular Modem 29 5 3 1 Activating a Cellular Modem 29 6 LCD and Menu System 34 6 1 Registers 34 6 2 Push 34 6 3 ISM Radio 35 6 4 System Config 35 ...

Page 3: ...ules for Email 51 8 5 7 Define Log File Parameters for Emailing Log Files 51 8 6 Ethernet and Cellular Push Retries 52 8 6 1 Ethernet Push Retries 52 8 6 2 Cellular Push Retries 52 8 6 3 Event Action Rule or Log File Push Retries 52 8 6 4 Email and Text Message Push Retries 53 9 Accessories 54 10 Product Support and Maintenance 55 10 1 File System and Archive Process 55 10 2 Update Your DXM Proces...

Page 4: ...e data between local and remote equipment The cellular modem option eliminates the need for IT infrastructures to connect remote equipment for sensing and control to IIoT cloud services The integrated Sure Cross wireless radio enables Modbus connectivity to remote sensors indicators and control equipment Connect directly to any PLC and or SCADA system for easy integration into existing control or ...

Page 5: ...dicators User programmable LCD Bind Sure Cross radios Conduct a site survey to evaluate the radio signal integrity of radios within the network View register and output information View system status and configuration API Interface Host Initiated control Web service integration User Defined LED indicators Indicates the status of the DXM1200 processes or equipment 1 1 DXM Hardware Configuration Ove...

Page 6: ...DXM as a Modbus TCP master configure the DXM1200 using Modbus TCP rules in the DXM Configuration Software EtherNet IP The Ethernet port is actively running EtherNet IP From the factory the DXM1200 is configured to read and write registers on DX80 wireless devices 1 through 16 Custom individual local register configurations can be set with the Protocol Conversion field in the DXM Configuration Soft...

Page 7: ...ID 201 Gateway or MultiHop LED LCD Display Figure 3 DXM1200 Modbus overview 1 3 1 DXM Modbus Registers The DXM1200 Bx Wireless Controller may have up to three internal Modbus slave devices DXM Internal Modbus Slave IDs factory default Modbus Slave ID Device 1 DX80 Performance Gateway or MultiHop ISM Radio MultiHop wireless devices connected to the internal MultiHop radio should be assigned Modbus ...

Page 8: ... Configuration Software configures the DXM1200 by creating an XML file that is transferred to the DXM1200 using an Ethernet connector or the internal micro USB connection The DXM1200 can also receive the XML configuration file from a Web server using a cellular or Ethernet connection This configuration file governs all aspects of the DXM1200 operation The wireless network devices are a separate co...

Page 9: ...sions All measurements are listed in millimeters unless noted otherwise 4 x Ø7 170 5 90 8 50 9 2 x 1 4 20 Internal Threads Sure Cross DXM1200 Bx Wireless Controller www bannerengineering com Tel 1 888 373 6767 9 ...

Page 10: ...ML configuration file using DIP switch 4 on the processor board or load in a blank XML file Bind a DX80 Node to a DXM Gateway and Assign the Node Address Before beginning the binding procedure apply power to all the devices Separate radios by 2 meters when running the binding procedure Put only one DXM Gateway into binding mode at a time to prevent binding to the wrong Gateway Binding Nodes to a G...

Page 11: ... the repeater or slave s rotary dials to assign a valid decimal device ID 11 through 60 The left rotary dial represents the tens digit 1 through 6 and the right dial represents the ones digit 0 through 9 of the device ID 3 Start binding mode on the DXM radio by pressing ENTER on the DXM radio 4 After entering binding mode on the DXM1200 put the MultiHop repeater or slave radio into binding mode Fo...

Page 12: ...stem Config menu Press Enter 2 Use the arrow keys to select the Ethernet menu Press Enter 3 Use the arrow keys to select IP Press Enter The octet of the IP address displays for example 192 168 10 1 4 Use the up and down arrows to change the IP address Press Enter to move to the next octet 5 Press Enter on the final octet to accept the changes 6 Cycle power to the DXM1200 The changes are saved on t...

Page 13: ...nd parameter settings for each Local Register under the Local Registers in Use screen You may change them individually Edit Register or in groups Modify Multiple Registers Figure 6 Modify Multiple Registers Configuration Example 1 Click on the Modify Multiple Registers section of the Local Registers in Use screen Use this screen to quickly modify multiple local registers at a time 2 Select the ran...

Page 14: ...le This is an Ethernet connection 2 From the Device menu select Connection Settings 3 From the dialog box select TCP IP and enter the IP address of the DXM connected to the computer or local area network Select Serial if you are connecting to the DXM using the internal micro USB 4 Click Connect to connect to the DXM1200 Figure 9 Connection settings pop up window Step 6 Send the Configuration File ...

Page 15: ...1200 s LCD screen select the Registers menu by clicking the Enter button with the Registers menu highlighted The local registers defined in the configuration tool display Sure Cross DXM1200 Bx Wireless Controller www bannerengineering com Tel 1 888 373 6767 15 ...

Page 16: ...he LED on the right side of the I O base board 3 1 MultiHop Radio DIP Switches The DX80 MultiHop architecture creates a tree network with a Master radio and one or more Repeater Slave devices The MultiHop architecture is suited for networks requiring repeater devices to provide extended range or obstacle avoidance MultiHop ISM radio devices are defined with R2 R4 and R5 in the model number DXMxxx ...

Page 17: ... wireless network must be in the same mode Modbus mode uses the Modbus protocol for routing packets In Modbus mode a routing table is stored in each parent device to optimize the radio traffic This allows for point to point communication in a multiple data radio network and acknowledgement retry of radio packets To access a radio s I O the radios must be running in Modbus mode In transparent appli...

Page 18: ... Module The 900 MHz radios transmit at 1 Watt 30 dBm or 250 mW 24 dBm While the Performance radios operate in 1 Watt mode they cannot communicate with the older 150 mW radios To communicate with 150 mW radios operate this radio in 250 mW mode For 2 4 GHz models this DIP switch is disabled The transmit power for 2 4 GHz is fixed at about 65 mW EIRP 18 dBm making the 2 4 GHz Performance models autom...

Page 19: ...ts 3 4 1 Alternative Modbus Register Organization The Sure Cross DX80 Alternative Modbus Register Organization registers are used for reordering data registers to allow host systems to efficiently access all inputs or outputs using a single Modbus command The register groups include the input output registers bit packed registers and analog registers This feature is only available with the Perform...

Page 20: ... 1 Gateway 6602 Node 31 Node 30 Node 29 Node 28 Node 27 Node 26 Node 25 Node 24 Node 23 Node 22 Node 21 Node 20 Node 19 Node 18 Node 17 Node 16 6603 Node 47 Node 46 Node 45 Node 44 Node 43 Node 42 Node 41 Node 40 Node 39 Node 38 Node 37 Node 36 Node 35 Node 34 Node 33 Node 32 Bit Packed Discrete Input 1 Bit Position Register Address 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 6611 Node 15 Node 14 Node 1...

Page 21: ...or write analog data from a Gateway is by using these 16 bit analog registers Most networks consist of similar Nodes reporting data using the same I O registers for each Node For this reason the analog data is arranged by I O point using Modbus registers 6801 through 9098 For example Input 1 for Gateway and all Nodes is stored in the first 48 contiguous blocks of 16 bit analog registers beginning ...

Page 22: ...ntains the input 1 value for the Gateway 6802 contains the input 1 value for Node 1 and 6848 contains the input 1 value for Node 47 Sure Cross DXM1200 Bx Wireless Controller 22 www bannerengineering com Tel 1 888 373 6767 ...

Page 23: ...ard Cellular Antenna Placement Figure 12 DXM1200 base board cellular modem board and ISM radio board Button Operation The button is used for special functions as defined in the configuration or advanced configuration instructions LED Operation LED1 flashes to indicate the processor board is running The LED starts flashing about 10 seconds after power is applied and a network connection is present ...

Page 24: ...en the LCD display board is not connected The factory default position is OFF 4 2 Ethernet Before applying power to the DXM1200 verify the Ethernet cable is connected The number of times the processor attempts to connect to the Ethernet network is configured in the DXM Configuration Software Settings Network Ethernet Connection Acquisition The default setting is two retries one minute after the de...

Page 25: ... data exchange mechanism External Modbus device registers can be read into the Local Registers or written from the Local Registers The DXM1200 as a Modbus master device or a Modbus slave device exchanges data using the Local Registers Modbus over Ethernet Modbus TCP uses the Local Registers as the accessible register data Local Registers 851 900 and 7001 8000 Data Flash Non volatile 32 bit Unsigne...

Page 26: ...nection using HTTP non encrypted 10033 10034 Http Push Successes 10035 10036 Http Push Failures 10037 10038 Http Push Last Status Last DXM1200 push status 0 Initial state no push attempt as finished yet 1 Attempt complete 2 Attempt aborted 10039 10040 Cellular Strength BER Cellular signal strength Value range 0 31 0 113 dBm or less 1 111 dBm 2 30 109 dBm through 53 dBm in 2 dBm steps 31 51 dBm or ...

Page 27: ...ats for the next socket TCP Client Stats Register Definition 2x001 Socket x connection attempts 20001 is the first socket 21001 is the second socket 2x003 Socket x connections 2x005 Socket x disconnections 2x007 Socket x transmits 2x009 Socket x receives 2x011 Socket x resolver attempts reserved 2x013 Socket x resolvers reserved 2x015 2x020 Reserved 2x021 Socket x Rule 0 transmits 2x023 Socket x R...

Page 28: ... the Modbus RTU slave port The basic communications parameters for the RS 485 ports are set in the DXM Configuration Software and are saved in the XML configuration file All basic settings are available under Settings System screen Master port parameters include Baud rate and parity Set the Communications Timeout parameter to cover the expected time for messages to be sent throughout the wireless ...

Page 29: ... the cellular network as the network interface 5 3 1 Activating a Cellular Modem Follow these basic steps to activate the cellular capabilities of your DXM Controller 1 Purchase a cellular modem kit from Banner Engineering Corp 2 Activate a cellular plan to the SIM card then insert the SIM card into the cellular modem 3 Install the cellular modem connect the antenna cable and connect the cellular ...

Page 30: ...on a grounded static dissipative surface Before you activate your cellular plan verify you have one of the following cellular modem kits Cell Modem Kit Cell Service SXI GSM 001 3G GSM HSPA networks GSM EGPRS fallback SXI LTE 001 Verizon 4G LTE SXI CATM1VZW 001 Verizon CAT M1 SXI CATM1ATT 001 ATT CAT M1 1 2 3 1 Insert the SIM card into the socket on the underside of the cellular modem SIM cards com...

Page 31: ...ar modem kits Cell Modem Kit Cell Service SXI GSM 001 3G GSM HSPA networks GSM EGPRS fallback SXI LTE 001 Verizon 4G LTE SXI CATM1VZW 001 Verizon CAT M1 SXI CATM1ATT 001 ATT CAT M1 1 2 3 1 Insert the SIM card into the socket on the underside of the cellular modem SIM cards come in a credit card sized carrier Snap it out and insert the SIM card into the holder on the cellular modem Make note of the...

Page 32: ...DXM100 and DXM150 models offer SMS text messaging capabilities 1 Work with the local Banner technical support person to identify and purchase machine to machine M2M data plan only SIM cards in 3FF micro form factor Typical monthly data use will be 20 50 MB per month When choosing a plan pay close attention to data rates and to SMS text rates 2 When activating the SIM Note the Access Point Name or ...

Page 33: ...For GSM modems select GSM 3G and set the APN based on your provider s settings Requires a SIM module to be purchased with a cellular carrier to activate the DXM1200 cellular capability The wireless carrier will provide the APN parameters Not all parameters may be required 4 To send data to the webserver complete the parameters on the Settings Cloud Services screen Set the Cloud push interval and t...

Page 34: ...onfigure these local registers launch the DXM Configuration Software Go to Local Registers and expand the view for a local register by clicking on the down arrow next to the register number In the LCD Permissions field select None Read Write or Read Write Registers List of Local Register Values and the Register Name to change the value to accept ENTER BACK to return to the previous menu Read allow...

Page 35: ...s devices that do not have rotary dials for example M GAGEs ultrasonic sensors and Q45 devices See Binding and Conducting a Site Survey with the ISM Radio on p 10 For more information on binding a particular device refer to the individual datasheet Site Survey After creating a wireless network using the binding process run a site survey on each device to see the link quality See Conduct a Site Sur...

Page 36: ...icate to the internal radio If set incorrectly the DXM1200 may not be able to run Site Survey from the LCD menu Unless you are changing or adding the internal radio device there should no reason to change the radio type Reference Modbus ID defines the Modbus ID the DXM1200 uses when communicating with the internal radio If this is set incorrectly the DXM1200 will not be able to run Binding or Site...

Page 37: ...Serial Model Date RF FW Pt RF FW Ver RF EE Pt RF EE Ver Controller Displays the date build model and serial number Push Shows the current parameters loaded from the XML configuration that applies to pushing data to a webserver including method Ethernet or cellular interval URL page HTTPS and site ID ISM Radio Displays the serial number model date firmware part numbers and version numbers Ethernet ...

Page 38: ...iguration Software to set a passcode within the DXM1200 A valid passcode is 1 to 9 digits long and uses numbers 0 through 9 For example 1234 or 209384754 6 7 Modbus Registers for the LCD Modbus Slave ID 201 Control the four bi color LEDs using the display s Modbus registers Using write maps or ScriptBasic write the Modbus registers shown below with 0 off or 1 on Modbus Registers for the LCD Board ...

Page 39: ...storage registers of the DXM1200 201 LCD The user has access to the LED indicators on the DXM1200 7 1 Assigning Modbus Slave IDs Set the DXM Slave ID from the LCD menu under System DXM Slave ID The DXM1200 can have any unique slave ID DXM Master Configuration When the DXM1200 operates as a Modbus master device use the DXM Configuration Software to configure read or write operations of the DXM Modb...

Page 40: ... connected Modbus slave devices to the master RS485 port M M 11 60 Allocated for wireless MultiHop radio network devices If there is not an internal MultiHop in the DXM1200 these slave addresses are available to use for directly connected devices 61 198 Available to user for direct connected Modbus slave devices or the expansion of the wireless network slave IDs to go past 50 wireless devices 199 ...

Page 41: ...s great Master to Repeater Send time 9 0 04 sec 8 retry wait 0 04 sec 1 second Repeater to Master Send time 9 0 04 sec 8 retry wait 0 04 sec 1 second Additional Timeout period for a repeater 2 seconds Using the timeout calculation above of 23 seconds if a repeater is added to the network the timeout should be set to 25 seconds For each additional MultiHop repeater device creating another level of ...

Page 42: ...dbus slave devices are connected to the RS 485 lines the timeout parameter governs all communication transactions and must be set to accommodate all devices on the bus 7 5 Modbus TCP Client The DXM1200 can operate as a Modbus TCP client on Ethernet Users may define up to five socket connections for Modbus TCP server devices to read Modbus register data over Ethernet Use the DXM Configuration Softw...

Page 43: ...r the local register 7 Use the drop down list to select the type of Start at time a specific time or a relative time 8 Enter the starting time 9 Enter the end time and end value for the local register Register updates can be changed up to two times per day for each rule Each rule can be set for any number of days in the week by clicking the buttons M T W Th F S or Su If two register changes are de...

Page 44: ...erver Authentication DXM Configuration Authentication The webserver and mail server authentication depends upon the service provider 8 2 1 Set the Controller to use Authentication The DXM1200 can be configured to send login and password credentials for every HTTP packet sent to the webserver This provides another layer of security for the webserver data Configuration requires both the webserver an...

Page 45: ...tware The username and password do not need to be a defined user within the Banner Connected Data Solutions by Sensonix website 8 2 2 Controller Configuration Authentication The DXM1200 can be programmed to allow changes to the configuration files only with proper authentication by setting up a password on the Settings Administration screen in the DXM Configuration Software With the DXM1200 connec...

Page 46: ...s or trending 4 To perform scheduled events in Local Registers go to the Scheduler screen in the DXM Configuration Software These rules provide the ability to create register events by days of the week The scheduler can also create events based on sunrise or sunset 8 3 2 Troubleshooting a Configuration View Local Registers using the Local Registers Local Registers in Use screen of the DXM Configur...

Page 47: ... when that register data will be sent from the DXM1200 DXM to the host PLC Originator Data from an EIP controller in assembly instance 112 is data destined for the DXM1200 local registers The first two bytes of the assembly instance are stored in the first local register defined as an EIP Originator DXM register The next two bytes of the assembly instance are stored in the next local register defi...

Page 48: ...refer to the DXM Configuration Software Instruction Manual p n 209933 Internal log files may be sent using email Follow these instructions and use the DXM Configuration Software to program the controller for email and or SMS 1 On the Settings System screen set the Device Time on the DXM1200 2 On the Settings Cloud Services screen select either Ethernet or Cell for the Push Interface 3 If you selec...

Page 49: ...ion If successful a pop up window appears asking to reboot the device Select Yes to reboot the device 8 5 2 Define the Network Interface Settings On the Cloud Services screen shown with Show advanced settings selected define the network connection settings by selecting Ethernet or Cell from the Network Interface drop down list This determines how the DXM1200 sends data If you don t require pushing...

Page 50: ...M This module does not require an APN username or password If you are using a third party SIM card the APN APN Username and Password must be provided by the cellular service provider 8 5 5 Set the Email and Messaging Parameters From the Settings Notifications screen enter the SMTP definition login and password for a mail server Important Only the DXM100 and DXM150 models offer SMS text messaging c...

Page 51: ...hresholds Depending upon which recipients are defined select the appropriate email or SMS checkbox for the threshold rule under Email SMS on state transition When the threshold rules goes active or inactive an email is generated For more information on how to set up threshold rules refer to the DXM Configuration Software Instruction Manual p n 209933 8 5 7 Define Log File Parameters for Emailing L...

Page 52: ... time the DXM1200 attempts to send the saved packet as well as the newly created register data packet If it cannot send the new register data packet the new register data packet is appended to the saved file on the micro SD card to be sent later After 10 rounds of retries the data set is archived on the micro SD card under folder _sxi No additional attempts to resend the data are made the data fil...

Page 53: ...ail and Text Message Push Retries There are no retries for emails or SMS messages that fail to be sent from the DXM1200 Sure Cross DXM1200 Bx Wireless Controller www bannerengineering com Tel 1 888 373 6767 53 ...

Page 54: ...Amps 24 V DC with DIN Rail Mount Class I Division 2 Groups A B C D Rated PSDINP 24 13 DC power supply 1 3 Amps 24 V DC with DIN Rail Mount Class I Division 2 Groups A B C D Rated PSDINP 24 25 DC power supply 2 5 Amps 24 V DC with DIN Rail Mount Class I Division 2 Groups A B C D Rated PSW 24 1 DC power supply with wall plug 100 240 V AC 50 60 Hz input 24 V DC 1 A output UL Listed Class 2 Mounting S...

Page 55: ...file at the Logging Interval specified by the user At the Push Interval time the HTTP log file is sent to the webserver or host system If the transmission is successful the HTTP log file is time stamped and placed into the archive directory _sxi If the transmission fails the file remains in the root directory and subsequent Logging Intervals are appended to the file and are sent at the next Push I...

Page 56: ...must already know the current password If you do not know the current password follow these steps to clear the password Important Clearing the password erases the current configuration and any program files log files or history files 1 Turn on the power to the DXM Controller 2 Set DIP switch 4 to the ON position 3 Press and hold the processor button until processor board LED flashes 4 Set DIP swit...

Page 57: ...nuals Configuration manuals Firmware downloads Firmware release notes Errata data any known issues with a release of firmware Possible work around solutions for known issues DXM Solutions Guides 10 5 3 Feature Requests Our customer is our most valuable resource to improve our DXM1200 If you have suggestions for improvements to the DXM1200 or configuration tools please contact Banner Engineering Co...

Page 58: ...r fixed base station and mobile applications If modules will be used for portable applications the device must undergo SAR testing IMPORTANT If integrated into another product the FCC ID label must be visible through a window on the final device or it must be visible when an access panel door or cover is easily removed If not a second label must be placed on the outside of the final device that co...

Page 59: ...tions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This device contains licence exempt transmitters s receiver s that comply with Innovation Science and Economic Development Canada s licence exempt RSS s Operation is subject to the following two conditions 1 This device may not cau...

Page 60: ...ble gain indicated Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device Table 3 Certified Antennas for 2 4 GHz Model Antenna Type 2 4 GHz Radio Module Maximum Gain Impedance Integral antenna DX80 2400 Unity gain BWA 2O2 C Omni 1 2 wave dipole Swivel DX80 2400 or SX243 2 dBi 50 Ω BWA 2O2...

Page 61: ...NTIAL OR SPECIAL DAMAGES RESULTING FROM ANY PRODUCT DEFECT OR FROM THE USE OR INABILITY TO USE THE PRODUCT WHETHER ARISING IN CONTRACT OR WARRANTY STATUTE TORT STRICT LIABILITY NEGLIGENCE OR OTHERWISE Banner Engineering Corp reserves the right to change modify or improve the design of the product without assuming any obligations or liabilities relating to any product previously manufactured by Ban...

Page 62: ...G LTE 32 configure DXM 33 install 30 31 purchase 30 31 create holiday event 44 one time event 43 weekly event 43 D DXM configure for cell 33 H holiday event 44 M Modbus registers 7 O one time event 43 R registers 7 S scheduler 43 44 W webserver authentication 44 45 weekly event 43 ...

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