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8. Modbus Help  

 

 

 

 

          Vlinx MESR9xx Modbus Gateway 

 

Page 45 

                                                                                                                                           

Manual Documentation Number MESR9xx-4210m 

www.bb-elec.com/

 

www.bb-europe.com/

 

6.

6.

 

 

Application 

 

Examples 

 

Application Examples

Modbus gateways can be used to integrate Modbus networks in a wide variety of settings. 
But as each setting has its own requirements, users may not understand how a gateway 
helps, or if it’s appropriate for their specific needs. 

The following scenarios are examples only, and many others are possible. Contact B&B 
Electronics technical support for information on other applications. 

Ethernet Master and Serial Slaves 

 

Your Modbus gateway can be used to integrate serial slave devices on a Modbus TCP 
network. This allows TCP Masters to control serial slave devices. The example below is 
using a gateway with two serial ports.  

 

 

Figure 51. Ethernet Master With Serial Slaves 

Содержание Vlinx MESR901

Страница 1: ...Manual Documentation Number MESR9xx 4210m www bb elec com www bb europe com V Vli lin nx x M ME ES SR R9 9x xx x M Mo od db bu us s G Ga at te ew wa ay y ...

Страница 2: ...Commercial Park Oranmore Co Galway Ireland Phone 353 91 792444 Fax 353 91 792445 Website www bb europe com Revision Three April 2010 2010 B B Electronics Mfg Co Inc No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photography recording or any information storage and retrieval system without written consent Information in th...

Страница 3: ...ESR9x2D x 13 Connecting MESR9xx Modbus Gateways to a Network 14 Network Connection 10BaseT 100BaseTX 14 Fiber optic Connection 14 MESR9xx Modbus Gateway Configuration Connections 14 Installing Modbus Configuration Manager Software 14 Configuring the MESR9xx Modbus Gateway via the Network Connection 19 Configuring the MESR9xx Modbus Gateway on Networks without a DHCP Server 34 Configuring the MESR9...

Страница 4: ...gs 64 Appendix B Product Specifications 65 General Specifications 66 Controls Indicators and Connector Specifications 67 Serial Interface Specifications 68 Network Specifications 69 Appendix C Dimensional Diagrams 70 Appendix D Connector Pinouts 74 MESR901 x Serial Port Pinouts 74 MESR902T x Serial Port Pinouts 76 Standard Ethernet Cable RJ 45 Pin out 77 9 Glossary 78 ...

Страница 5: ...s network to become a node on the network The serial ports can be accessed over a LAN WAN using Direct IP Mode connections MESR9xx Modbus Gateways feature 10BaseT or 100BaseTX copper network media and fiber optic media options depending on the model MESR9xx Modbus Gateways are built for use in industrial environments featuring an IP30 approved slim line DIN rail mountable case They operate from a ...

Страница 6: ...Model Numbering MESR9xx Modbus Gateways are a growing family of products Models are available with one or two serial connections Network connection options include 10BaseT 100BaseTX copper or several different fiber optic options The following diagram shows the model numbering scheme www bb elec com www bb europe com ...

Страница 7: ... DB9 TB 1 SM Fiber 40 km ST MESR901 ST80 1 DB9 TB 1 SM Fiber 80 km ST MESR902T 2 TB 1 Copper RJ 45 MESR902T MC 2 TB 1 MM Fiber SC MESR902T MT 2 TB 1 MM Fiber ST MESR902T SC 2 TB 1 SM Fiber 15 km SC MESR902T SC40 2 TB 1 SM Fiber 40 km SC MESR902T SC80 2 TB 1 SM Fiber 80 km SC MESR902T ST 2 TB 1 SM Fiber 15 km ST MESR902T ST40 2 TB 1 SM Fiber 40 km ST MESR902T ST80 2 TB 1 SM Fiber 80 km ST MESR921 1...

Страница 8: ...ber 80 km Copper 1 RJ 45 1 ST MESR9xx Modbus Gateway Features Four series models MESR901 x single serial port single Ethernet Port MESR902T x two serial ports with pluggable terminal blocks single Ethernet port MESR921 x single serial port two Ethernet Ports MESR922T x two serial ports with pluggable terminal blocks two Ethernet Ports On models with two Ethernet Ports the second port is an Etherne...

Страница 9: ...P 32 64 bit 2003 Server 32 64 bit Vista 32 64 bit 2008 Server 32 64 bit Windows 7 32 64 bit Configuration of Ethernet and serial port settings using Vlinx Manager software Vlinx Manager Configuration Software Vlinx Manager configuration software enables you to find connected Modbus gateways configure them upgrade Modbus gateway firmware and save load configuration files It features a graphical use...

Страница 10: ...recessed Mode switch Package Checklist MESR9xx Modbus Gateways are shipped with the following items included MESR9xx Modbus Gateway Module Quick Start Guide CD with User Manual Quick Start Guide and firmware and configuration software MESR9xx Modbus Gateway Enclosures and Mounting All MESR9xx Modbus Gateway models are built into similar enclosures Modules are DIN rail mountable The MESR92x shown b...

Страница 11: ... models and is a pass through Ethernet connector Ready LED The Ready LED green blinks if the system is operating correctly once per second in normal operating conditions or three times per second in reset configuration mode or when loading factory defaults If the LED is off or steady it indicates the system is not operating correctly Serial Port LEDs MESR901 x Modbus Gateways feature one serial po...

Страница 12: ...dware Reset Enter Console Mode Reload factory defaults Note Refer to Section 3 Modbus Gateway Setup and Connections for more information on using the Mode switch Ethernet Connector Modbus gateway models using 10BaseT 100BaseTX network connections use an RJ45 receptacle The Modbus gateway is connected to a standard Ethernet network drop using a straight through RJ45 male Ethernet cable Figure 6 Eth...

Страница 13: ... position removeable terminal block for RS 422 and RS 485 connections MESR902T x Modbus Gateways feature two serial ports both using five position removable terminal blocks for RS 232 RS 422 and RS 485 connections MESR921 x Modbus Gateways feature one serial port and use a DB 9M connector for RS 232 and a five position removeable terminal block for RS 422 and RS 485 connections MESR922T x Modbus G...

Страница 14: ...osition pluggable terminal block Figure 10 Power Connection Mounting Hardware MESR9xx Modbus Gateway modules can be DIN rail mounted The DIN mounting clip and spring is included on each module Figure 11 DIN Clips on Modbus Gateway Modules Large DIN clips are used on MESR92x small DIN clips on MESR90x www bb elec com www bb europe com ...

Страница 15: ...us Gateways to Modbus networks MESR9xx Modbus Gateways can be configured to connect to Modbus networks using RS 232 RS 422 RS 485 2 wire and RS 485 4 wire RS 232 connections support eight signal lines plus Signal Ground Signals are single ended and referenced to Ground Default communications parameters are 9600 8 N 1 and no flow control implemented RS 422 connections support two signal pairs RXA R...

Страница 16: ...Modbus gateway you must connect the Modbus serial network to the Modbus gateway via a serial cable The MESR901 is a DTE If the Modbus network is a DTE use a null modem cross over cable If the Modbus network is a DCE use a straight through cable DTE and DCT ports are complementary the Output signals on a DTE port are Inputs to a DCE port and Output signals on a DCE port are Inputs to a DTE port The...

Страница 17: ...ateway Note Refer to Appendix D for connector pinout information Figure 14 MESR902T x Connections Connecting the MESR9x2D x The MESR9x2D x has two serial connections that support RS 232 RS 422 and RS 485 2 and 4 wire The unit has two connectors both of which are DB 9M connectors You must connect the Modbus network to the Modbus gateway via a serial cable The MESR902D is a DTE If the Modbus network...

Страница 18: ...ate fiber optic cable must be connected between the Modbus gateway and the network interface Refer to Figure 2 List of MESR9xx Modbus Gateway Models at the beginning of this manual for a list of supported fiber types distances and connectors MESR9xx Modbus Gateway Configuration Connections MESR9xx Modbus Gateways can be configured over the network or via a serial port Installing Modbus Configurati...

Страница 19: ...15 Manual Documentation Number MESR9xx 4210m Figure 16 Modbus Gateway Manager Installation Welcome Screen b Click Next The License Agreement Screen will be displayed on your computer Figure 17 Modbus License Acceptance Screen www bb elec com www bb europe com ...

Страница 20: ...elect if the software will be accessible to your account or anyone who uses the computer Figure 18 User Information Screen d Click Next The Destination Folder Screen will be displayed on your computer The default directory is C Program Files BB Electronics Vlinx Modbus Gateway Manager If desired you can select another location by pressing the Browse button Figure 19 Destination Folder Screen www b...

Страница 21: ...ick Next The Ready to Install Application Screen will be displayed on your computer You can select the Back button to change destination folder Figure 20 Ready to Install Application Screen f Click Next The software will begin installing Figure 21 Software Installing Screen www bb elec com www bb europe com ...

Страница 22: ... complete an information screen will be displayed containing contact information and release notes Click Next Figure 22 Information Screen h Click Next The Installation Complete screen will be displayed on your computer Click Finish to finish the installation Figure 23 Installation Complete Screen www bb elec com www bb europe com ...

Страница 23: ...ith Modbus Configuration Manager MESR9xx Modbus Gateways can be configured over the network Modbus Configuration manager software running on a PC To open Modbus Configuration Manager 1 From the Desktop click Start Æ Programs Æ B B Electronics Æ Vlinx Æ Modbus Gateway Manager An alternate method is to double click the shortcut installed on the desktop Figure 24 Opening Vlinx Modbus Gateway Manager ...

Страница 24: ...ork and I don t know the IP address of this device selections and press the Connect Button The software will discover any MESR9xx Gateways on the network The configuration manager screen will be displayed on your computer All available devices will be listed on the top portion of this screen If you know the IP address you may select The Device is located at this IP address and input the address in...

Страница 25: ... and title graphic area 5 The default password is no password Click the Login button The General Settings screen will be displayed on your computer 6 Vlinx Modbus Manager Settings Screen Overview Figure 28 Settings Screen Overview a This area shows Modbus Gateways available on the network b This area is used to skip directly to the specific configuration screen you need to access An alternate meth...

Страница 26: ...ay 2 Save allows you to save your configuration to a file This should not be confused with the Save button described in 6 c above 3 Search allows you to search for Modbus Gateways on the network 4 Upgrade allows you to upgrade your Modbus Gateway s firmware 5 Diagnostic allows you to test a configured Modbus Gateway See Section 5 6 Monitor allows you to monitor a Modbus Gateway See Section 5 7 Abo...

Страница 27: ...d by RFC 952 and RFC 1123 Allowed characters are A to Z a to z 0 to 9 and The symbol cannot be the first or last character The name cannot consist of numbers only To save the new name click the Save button b You can also change the gateway s password on this screen To do this check the I want to change the password box New password entry boxes will appear on the screen Figure 30 Changing The Passw...

Страница 28: ...t mask and default gateway of the Modbus Gateway When DHCP option is enabled but the DHCP server is not found the Modbus Gateway will automatically configure IP address 1169 254 255 255 with a subnet mask 255 255 0 0 c To configure your Modbus Gateway without using a DHCP Server uncheck the I want DHCP to setup the network box You will need to know the IP Address Subnet Mask and Default Gateway IP...

Страница 29: ... 0 0 0 through 255 255 255 255 the subnet mask is ignored Default Gateway field contains default route to remote networks Figure 32 Network Settings Screen DHCP not Selected d More information about assigning an IP address without using a DHCP Server is contained in the section Configuring the VESR90x Serial Server on Networks without a DHCP Server e Save changes by Clicking the Save button 9 Modb...

Страница 30: ...s sent to the device connected through TCP Valid value range is from 1 to 65535 3 Save settings by clicking the Save button b TCP Server Settings 1 Listen on Port identifies TCP port to be used by the Modbus Gateway in TCP server mode Valid value range is from 1 to 65535 2 Limit the number of connections to pull down box allows you to control the number of simultaneous TCP clients that can be conn...

Страница 31: ...pecific IP addresses to connect This filter is limited to 4 IP addresses Figure 34 TCP Connection Filter Allow Specific IP addresses to Connect b You can select a specific range of IP addresses to connect This filter is limited to 4 IP address ranges c Save settings by clicking the Save button www bb elec com www bb europe com ...

Страница 32: ...ion for this serial port Maximum length is 32 symbols Allowed characters are symbols from A to Z from a to z numbers from 0 to 9 and the space d Mode Controls the physical communications mode for the The Mode can be RS 232 RS 422 4 Wire RS 485 2 Wire or RS 485 4 Wire e Baud Rate Controls the communications speed of the serial port The Baud Rate can be 2400 7200 9600 14400 19200 14400 28800 38400 5...

Страница 33: ... Modbus Broadcast Check this box to send Modbus broadcasts to a specific serial port Modbus broadcast is Slave ID 0h If selected the Gateway will send broadcast messages out the serial port and will not expect a response If unselected it will use slave ID 0h as a standard address f Enable 0Bh Exception Check this box to enable When the Modbus slave device does not respond before the timeout has be...

Страница 34: ...535 j Milliseconds TX Delay This is the minimum amount of time after receiving a response before the next message can be sent out Valid value range is from 1 to 65535 k Save settings by clicking the Save button 12 Port x ID Remap a To access this screen click the Next button or click the Port x ID Remap link on the left side of the screen b This screen allows you to set Modbus Slave ID Remap setti...

Страница 35: ...n or click the Modbus ID Routing Link on the left side of the screen b This screen allows you to set the Modbus Slave ID routing Figure 39 Modbus ID Routing Screen c The first box in line is the starting ID of a range you want to route Valid value range is from 1 to 255 d The second box in line is the last ID of that range Valid value range is from 1 to 255 e The third box in line is a port or IP ...

Страница 36: ... Modbus Priority Screen c These settings allow the gateway to move high priority messages to the front of the serial message buffer The priority can be based on the originating IP address the Modbus ID the Modbus function code or any combination of the three Up to five different priorities can be set d IP Address Used to set a static Internet protocol address for the Modbus Gateway e Modbus ID Val...

Страница 37: ...onfiguring with the Web Interface MESR9xx Modbus Gateways can be configured over the network using a standard internet browser such as Internet Explorer or Firefox To open the web configuration interface 1 On a PC connected to the network open a web browser Figure 41 Open Web Browser 2 In the browser s address bar type the IP address of the Modbus gateway Figure 42 Type IP Address www bb elec com ...

Страница 38: ...eway using a web browser are the same as those used to configure using the Vlinx Modbus Manager software Configuring the MESR9xx Modbus Gateway on Networks without a DHCP Server Your Modbus Gateway comes from the factory set up to receive an IP assignment from a DHCP Server If there is not a DHCP server on your network the Modbus Gateway will default to IP address 169 254 102 39 If this address do...

Страница 39: ... Click on Internet Protocol TCP IP and click properties Change the parameters to the following IP Address 169 254 102 1 Subnet Mask 255 255 0 0 Default Gateway 169 254 102 100 c Use the Vlinx Modbus Manager Software to search for discover and configure the Modbus Gateway www bb elec com www bb europe com ...

Страница 40: ... Ready LED MESR9x1 OFF XXXXXXX ON MESR9x2 OFF ON OFF d Release the reset button The READY LED will blink once per second for five seconds This indicates that the Modbus Gateway is re booting in Console Mode e When the Modbus Gateway has successfully restarted in Console Mode the READY LED will be OFF and the PORT 1 LED will be ON f Open the Vlinx Modbus Manager Software and select Serial Port as t...

Страница 41: ... port of a PC using a null modem cable Figure 44 Console Mode Setup To configure the Modbus gateway it must be put into Console Mode using the Mode switch To enter Console Mode press and hold the Mode switch for between two and ten seconds The LED indicators respond as follows 1 The Ready LED blinks three times per second while the button is being pressed 2 The Modbus gateway is in Console Mode wh...

Страница 42: ...serial ports for the device under Serial Port Options If you do know you may specify the COM port by selecting The device is connected to this serial port under Serial Port Options and using the pull down menu to choose the COM port Figure 46 Serial Port Selection 3 The remaining screens are identical to those shown in configuring your gateway using a network connection www bb elec com www bb euro...

Страница 43: ...n the Modbus gateway In this type of application the Modbus gateway is configured as a TCP server The socket program running on the PC establishes a communication connection with the Modbus gateway The data is sent directly to and from the serial port on the server To set up a Direct IP Mode connection 1 Connect the Modbus gateway to the network and a Modbus network as described in previous sectio...

Страница 44: ...odels Port 1 LED is On and the Port 2 LED is Off 3 The LEDs go back to their normal states when the device resumes normal operation Reloading Factory Defaults To reload Factory Defaults press and hold the Mode switch for more than 10 seconds The LED indicators respond as follows 1 The Ready LED blinks three times per second while the button is being pressed 2 The Modbus gateway is in Factory Defau...

Страница 45: ...mware can be upgraded using the Zlinx Manager software The following procedure describes the firmware updating process 1 Click the Upgrade button to open the Firmware Upgrade dialog box Figure 48 Firmware Upgrade Dialog Box The name of the currently selected Modbus gateway appears in the top drop down list Other Modbus gateways that have already been discovered can be selected from the drop down l...

Страница 46: ...isplay information about and progress of the download To download the latest firmware files from a file 1 Click the Browse button to open an Open File dialog box 2 Browse to the drive and folder containing the firmware file 3 Select and download the file to the local firmware folder Uploading the Firmware to the Modbus Gateway To upgrade the firmware 1 In the Modbus Gateway Selection drop down lis...

Страница 47: ...g box and enables you to check the operation of connected Modbus gateways on the local computer The Computer Information box displays information about the type of network connections the IP addresses Subnet Masks and Default Gateways in use Figure 49 Diagnostics Dialog Box Testing a Modbus Gateway Connection To run diagnostics on a Modbus gateway 1 Click the Diagnostics icon The Diagnostics dialo...

Страница 48: ...R9xx 4210m 2 In the drop down box select the specific Modbus gateway you want to check 3 Click the Start button Information about the progress of the pinging process is displayed in the Test Progress box Figure 50 Testing a Modbus Gateway Connection www bb elec com www bb europe com ...

Страница 49: ...not understand how a gateway helps or if it s appropriate for their specific needs The following scenarios are examples only and many others are possible Contact B B Electronics technical support for information on other applications Ethernet Master and Serial Slaves Your Modbus gateway can be used to integrate serial slave devices on a Modbus TCP network This allows TCP Masters to control serial ...

Страница 50: ...ial port one setup screen by clicking the link on the left side of the screen Figure 52 Serial Port 1 Setup 3 Configure Serial Port 1 In this case it is RS 232 19 2 kbps 8 data bits 1 stop bit and even parity Save the settings 4 Access Port 1 Modbus by clicking the link on the left side of the screen www bb elec com www bb europe com ...

Страница 51: ...Modbus 5 Configure the Port 1 Modbus Settings In this case Attached should be slaves Modbus should be RTU The other settings depend on your application 6 Configure Port 2 Serial and Modbus is the same fashion 7 Access Modbus ID Remapping for each port and configure as necessary www bb elec com www bb europe com ...

Страница 52: ...tation Number MESR9xx 4210m Figure 54 Port x Modbus Slave ID Remapping 8 Access Modbus ID Routing Configure as necessary In this example Slave ID 200 is mapped to serial port 1 Slave ID 1 through 5 and 205 are mapped to serial port 2 www bb elec com www bb europe com ...

Страница 53: ...Modbus Help Vlinx MESR9xx Modbus Gateway Page 49 Manual Documentation Number MESR9xx 4210m Figure 55 Modbus ID Routing 9 Access Modbus Priority and configure as necessary www bb elec com www bb europe com ...

Страница 54: ...8 Modbus Help Vlinx MESR9xx Modbus Gateway Page 50 Manual Documentation Number MESR9xx 4210m Figure 56 Modbus Priority www bb elec com www bb europe com ...

Страница 55: ...o integrate multiple master devices onto serial and Ethernet Networks Figure 57 Serial Ethernet Masters Serial Ethernet Slaves 1 In this example Serial Port 1 has an RTU Master attached Configure the serial port settings as appropriate for the device Access the Port 1 Modbus screen and configure it the port for Modbus Master and RTU www bb elec com www bb europe com ...

Страница 56: ... Documentation Number MESR9xx 4210m Figure 58 Port 1 Modbus 2 Configure the Modbus Slave ID routing In this case Modbus Slaves 1 through 5 and 205 are on Serial Port 2 Modbus Slaves 150 and 151 through 160 have IP assignments www bb elec com www bb europe com ...

Страница 57: ...s Gateway Page 53 Manual Documentation Number MESR9xx 4210m Figure 59 Modbus Slave ID Routing Serial Masters IP Slaves Serial Masters can be used to control IP Slaves Figure 60 Serial Masters IP Slaves www bb elec com www bb europe com ...

Страница 58: ...umentation Number MESR9xx 4210m 1 In this example and ASCII Master is connected to Serial Port 1 and an RTU Master is connected to Serial Port 2 Configure the serial ports as appropriate for these devices Figure 61 Port 1 Serial www bb elec com www bb europe com ...

Страница 59: ...55 Manual Documentation Number MESR9xx 4210m Figure 62 Port 2 Serial 2 Access the Modbus screen for each port and configure as appropriate In this case Port 1 has an ASCII Master and Port 2 has an RTU Master attached www bb elec com www bb europe com ...

Страница 60: ...8 Modbus Help Vlinx MESR9xx Modbus Gateway Page 56 Manual Documentation Number MESR9xx 4210m Figure 63 Port 1 Modbus www bb elec com www bb europe com ...

Страница 61: ...nx MESR9xx Modbus Gateway Page 57 Manual Documentation Number MESR9xx 4210m Figure 64 Port 2 Modbus 3 Setup the Slave ID Routing to associate IP addresses with the appropriate Slave ID www bb elec com www bb europe com ...

Страница 62: ...8 Modbus Help Vlinx MESR9xx Modbus Gateway Page 58 Manual Documentation Number MESR9xx 4210m Figure 65 Modbus Slave ID Routing www bb elec com www bb europe com ...

Страница 63: ...on Number MESR9xx 4210m Identical Hard Coded Slaves In this example two slave devices that are hard coded with the same ID are required This is accomplished by putting them on different serial ports Figure 66 Identical Hard Coded Slaves www bb elec com www bb europe com ...

Страница 64: ...dentical Production Lines In this example identical or backup production lines can be controlled by the same IP Master This allows the duplicate networks to be configured identically saving documentation and maintenance time Figure 67 Identical Production Lines www bb elec com www bb europe com ...

Страница 65: ...dbus masters using a polling query response format The master can send broadcast messages using a slave address of 0 which all slaves accept but do not reply to More commonly the master polls individual slaves sequentially In each poll it sends a message containing a device address followed by a function code any data that maybe required and an error check field The addressed slave responds with a...

Страница 66: ... network must terminate with a resistor While this was true of early serial network configurations it s typically the wrong answer call our technical support and verify if you re an exception at 815 433 5100 option 3 A sometimes difficult problem is difference in grounding voltage between various network locations Stray voltage from lightning or other sources may also find its way onto the network...

Страница 67: ...tation Number MESR9xx 4210m www bb elec com www bb europe com 8 8 Appendices Appendices This section includes the following Appendices Appendix A Default Gateway Settings Appendix B Product Specifications Appendix C Dimensional Diagrams Appendix D Connector Pinouts ...

Страница 68: ...CP Enabled IP Address DHCP will configure If a DHCP Server is not available the unit will default to 169 254 102 39 Net Mask 255 255 0 0 Gateway 169 254 102 100 MAC Address Fixed see bottom label Firmware Version Vx x x Hardware Version Vx x x Port 1 2 Serial port mode RS 232 Baud Rate 9600 Data bits 8 Parity None Stop bits 1 Flow Control None Protocol TCP Serial timeout 0 seconds Inter character ...

Страница 69: ...on Number MESR9xx 4210m www bb elec com www bb europe com Appendix B Product Specifications This section includes the following specifications General Specifications Controls Indicators and Connector Specifications Serial Interface Specifications Network Specifications ...

Страница 70: ...linx Modbus Manager via a Ethernet connection Using a standard web browser such as Internet Explorer 6 0 7 0 or Firefox 1 5 2 0 Software Vlinx Modbus Manager for Modbus gateway configuration Windows 2000 XP 32 64 bit 2003 Server 32 64 bit Vista 32 64 bit 2008 Server 32 64 bit Windows 7 32 64 bit Environment Operating Temperature 40 to 80 C 40 to 176 F Storage Temperature 40 to 85 C 40 to 185 F Ope...

Страница 71: ...onds for Console Mode Do a hardware reset or recycle power to exit Console Mode Hold in for more than 10 seconds to reset to factory defaults Indicators Serial LED one per port Color Green On Port open Blink Data traffic Link LED Color Green On 100BaseTX Off 10BaseT Blink Data traffic Ready LED Color Green Blink once per second System OK Off System NOT OK Connectors 10BaseT 100BaseTX Ethernet Sing...

Страница 72: ...A TXDB RXDA RXDB GND RS 485 lines 2 wire Data Data GND RS 485 lines 4 wire TXDA TXDB RXDA RXDB GND Baud Rates 75 150 300 600 1200 2400 4800 7200 9600 14400 19200 28800 38400 57600 115200 230400 Data Bits 5 6 7 8 Parity None even odd mark space Stop bits 1 1 5 2 Flow control None RTS CTS XON XOFF RS 422 485 biasing Auto 4 7K ohm pullups and pulldowns RS 422 485 termination Auto termination with thr...

Страница 73: ...ng 10BaseT or 100BaseTX Network Physical Layer Standards Ethernet IEEE 802 3 auto detecting auto MDI MDX 10BaseT and 100BaseTX Protocols Supported TCP IPv4 ARP HTTP 1 0 ICMP PING DHCP BOOTP IP Mode Static DHCP or Auto IP TCP User definable Connection Modes Server Client Search Serial direct COM and Ethernet auto search or specific IP Firmware Upgrade Via serial Ethernet or auto web search Characte...

Страница 74: ...bus Gateway Page 70 Manual Documentation Number MESR9xx 4210m Appendix C Dimensional Diagrams Figure 68 Dimensional Diagram of an MESR901 Modbus Gateway Note Small Case Used for MESR901 Series Units www bb elec com www bb europe com ...

Страница 75: ...inx MESR9xx Modbus Gateway Page 71 Manual Documentation Number MESR9xx 4210m Figure 69 Dimensional Diagram of an MESR902T Modbus Gateway Note Small Case Used for MESR902 Series Units www bb elec com www bb europe com ...

Страница 76: ...Gateway Page 72 Manual Documentation Number MESR9xx 4210m Figure 70 Dimensional Diagram of an MESR921 Modbus Gateway Left and Right Side Views Note Medium Case Used for MESR921 and MESR922 Series Units www bb elec com www bb europe com ...

Страница 77: ...eway Page 73 Manual Documentation Number MESR9xx 4210m Figure 71 Dimensional Diagram of an MESR921 Modbus Gateway Bottom Top Back and Front Views Note Medium Case Used for MESR921 and MESR922 Series Units www bb elec com www bb europe com ...

Страница 78: ...Documentation Number MESR9xx 4210m Appendix D Connector Pinouts MESR901 x Serial Port Pinouts DB9 M Pin Direction RS 232 1 Input DCD 2 Input RXD 3 Output TXD 4 Output DTR 5 GND 6 Input DSR 7 Output RTS 8 Input CTS 9 Input RI www bb elec com www bb europe com ...

Страница 79: ...ndices Vlinx MESR9xx Modbus Gateway Page 75 Manual Documentation Number MESR9xx 4210m Terminal RS 422 485 4 Wire RS 485 2 Wire A TDA Data A B TDB Data B C RDA D RDB E GND GND www bb elec com www bb europe com ...

Страница 80: ...D Output TDB Data B C CTS Input RDA D RD Input RDB E GND GND GND In the RS 422 mode TX lines are outputs and RX lines are inputs Connect the Modbus gateway TXB line to the RXB line of the Modbus network and the Modbus gateway TXA to the RXA of the Modbus network Ground is signal ground and provides a common mode reference for the RS 422 Receiver and Transmitters www bb elec com www bb europe com ...

Страница 81: ...ntation Number MESR9xx 4210m Standard Ethernet Cable RJ 45 Pin out RJ 45 Pin Signal Wire Color 1 TX White Green 2 TX Green 3 RX White Orange 4 Not used Blue 5 Not used White Blue 6 RX Orange 7 Not used White Brown 8 Not used Brown www bb elec com www bb europe com ...

Страница 82: ... to perform Modbus Gateway A bridge to get from Modbus TCP to Modbus Serial GUI Graphical User Interface IP Internet Protocol IPv4 Internet Protocol version 4 LED Light emitting diode Used as a visual indicator MBAP MODBUS Application Protocol MEI Multi Electrical Interface via RS 232 422 485 MES1A B B s Ethernet Modbus gateway RS 232 on serial port MES1B B B s Ethernet Modbus gateway RS 422 485 o...

Страница 83: ...f Generators and Receivers for Use in Balanced Digital Point to Point Systems RS 485 Electrical Characteristics of Generators and Receivers for Use in Balanced Digital Multipoint Systems RTU Remote Terminal Unit Stop Bit Number of bit times after a character is transmitted before the next character can start transmission TCP Transmission Control Protocol Unit ID Unit Identifier This is the same as...

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