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Manual Documentation Nu mb er MESR9xx-4508m www.bb-elec.com www.bb-europe.com V V l l i i n n x x M M E E S S R R 9 9 x x x x M M o o d d b b u u s s G G a a t t e e w w a a y y s s.
Manual Documentation Nu mb er MESR9xx-4508m www.bb-elec.com www.bb-europe.com V V l l i i n n x x M M E E S S R R 9 9 x x x x D D o o c c u u m m e e n n t t a a t t i i o o n n N N u u m m b b e e r .
Table of Contents Page i Manual Documentation Nu mb er MESR9xx-4508m www.bb-elec.com/ www.bb-europe.com/ T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s 1. Introduction ......................................................................
Table of Contents Page ii Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ Modbus RTU Message ............................................................................................................ ..................
1. Introduction Vlinx MESR9xx Modbus Gateway Page 1 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ 1 1 . . I I n n t t r r o o d d u u c c t t i i o o n n Thank you for.
1. Introduction Vlinx MESR9xx Modbus Gateway Page 2 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ MESR9xx M odbus Gateway Model Numbering MESR9xx Modbus Gateway s are a growing family of prod ucts. Models are available with one or two serial connections .
1. Introduction Vlinx MESR9xx Modbus Gateway Page 3 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ List of MESR9xx Modbus Gateway Models The following table lists the various ME SR9xx Modbus Gateway models available.
1. Introduction Vlinx MESR9xx Modbus Gateway Page 4 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ Model Number Features MESR902T-S C40 1 Si ngle-mode 40 Km SC, 2 port .
1. Introduction Vlinx MESR9xx Modbus Gateway Page 5 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ • 10/100 Mbps Ethernet with Auto Selection, Auto MDI/MDIX • LAN a.
2 . H a r d w a r e Vlinx MESR9xx Modbus Gateway Page 6 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ 2 2 . . M M E E S S R R 9 9 x x x x M M o o d d b b u u s s G G a.
2 . H a r d w a r e Vlinx MESR9xx Modbus Gateway Page 7 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ LED Indicators MESR9xx Modbus Gateways have th ree types of LED indicators: Ethernet Link LEDs , a Ready LED and Serial Port LEDs .
2 . H a r d w a r e Vlinx MESR9xx Modbus Gateway Page 8 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ Mode Switch A recessed momentary reset switch is located on the top of the enclosure. To activate the switch, insert a small plastic tool through th e hole in the enclosure and press lightly.
2 . H a r d w a r e Vlinx MESR9xx Modbus Gateway Page 9 Manual Documentation Number MESR 9xx-4508m www.bb-elec.com/ www.bb-europe.com/ Fiberoptic Connectors Modbus gateway models using fiber optic ne twork connections use either SC or ST connectors, depending on the specific model.
2 . H a r d w a r e Vlinx MESR9xx Modbus Gateway Page 10 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 9. Five-Position Pluggable Terminal Block Note: Refer to Appendix D for connection pin-outs. Power Connector The power connector is a 2-posit ion pluggable terminal block.
2 . H a r d w a r e Vlinx MESR9xx Modbus Gateway Page 11 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 11. DIN Clips on Modbus Gateway Modules.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 12 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 3 3 . . M M o o d d b b u u s s G G a a t t e e w w a a y y S S e e t t u u p p a a n n d d C C o o n n n n e e c c t t i i o o n n s s This section describes how to setup and connect MESR9xx Modbus Gateways.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 13 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ RS-232 connections support eight signal line s plus Signal Ground. Signals are single ended and referenced to Ground.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 14 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 13. MESR901 Connections Connecting the MESR9x2T -x The MESR9x2T-x has two serial connections th at support RS-232, RS-422 and RS-485 (2- and 4-wire).
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 15 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Note: Refer to Appendix D for connector pinout information.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 16 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Configuring the MESR9xx Modbus Ga teway via the Network Connection When configuring via the network, either V linx Manager software or the web interface can be used.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 17 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ To open the web configuration interface: 1. On a PC connected to the network, open a browser. 2. In the browser’s address bar, type th e IP address of the Modbus gateway.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 18 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 18. Console Mode Setup To configure the Modbus gateway it must be put into Console Mode, using the Mode switch.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 19 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Modbus gateway is configured as a TCP se rver. The socket program running on the PC establishes a communication c onnection with the Modbus gateway.
3. Setup and Connections Vlinx MESR9xx Modbus Gateway Page 20 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Reloading Factory Defaults To reload Factory Defaults, press and hold the Mode swit ch for more than 10 seconds.
4. Properties Vlinx MESR9xx Modbus Gateway Page 21 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 4 4 . . D D e e s s c c r r i i p p t t i i o o n n , , M M o o d d b .
4. Properties Vlinx MESR9xx Modbus Gateway Page 22 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Data/Parity/Stop The number of Data bits, type of Parity and num ber of Stop bits selected define the serial port parameters at which the Modbus gateway will operate.
4. Properties Vlinx MESR9xx Modbus Gateway Page 23 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ If a DHCP server is not found on the network, th e Modbus gateway automatically configures to an IP address in the range of 169.
4. Properties Vlinx MESR9xx Modbus Gateway Page 24 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ MESR9xxModbus gateways come from the factor y with a default static IP address of 192.168.0.1, but will be reconfigured automa tically via DHCP as appropriate.
4. Properties Vlinx MESR9xx Modbus Gateway Page 25 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Modbus ASCII The Modbus ASCII message protocol is a human readable version of the Modbus message, and is one of the three Modbus formats supported by the MESR9xx Modbus Gateway.
4. Properties Vlinx MESR9xx Modbus Gateway Page 26 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Character Timeout The character timeout is the m aximum time th e gateway allows betw een characters from the slave device, used only in RTU mode.
4. Properties Vlinx MESR9xx Modbus Gateway Page 27 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Password When you first receive the MESR9xx M odbus gateway from the factory the Password is blank so that you can initially access the M odbus gateway without entering a value into this field.
4. Properties Vlinx MESR9xx Modbus Gateway Page 28 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ • RS-485 4-wire - Similar speed and distan ce specifications as RS-422 but allows multi-drop and full duplex connections.
4. Properties Vlinx MESR9xx Modbus Gateway Page 29 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ • For a Class D network (IP addresses 224.0.0.0 through 239.255.255.255) and Class E Networks (IP addresses 240.0.0.0 through 255.
5. Upgrading Firmware Vlinx MESR9xx Modbus Gateway Page 30 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 5 5 . . U U p p g g r r a a d d i i n n g g t t h h e e M M o .
5. Upgrading Firmware Vlinx MESR9xx Modbus Gateway Page 31 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ The current firmware version of the select ed Modbus gateway is shown in the text below the Modbus gateway name. Information about the selected firmware file is shown in the third text box.
5. Upgrading Firmware Vlinx MESR9xx Modbus Gateway Page 32 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 6. When the upgrade process is complete, click Close .
6. Diagnostics Vlinx MESR9xx Modbus Gateway Page 33 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 6 6 . . D D i i a a g g n n o o s s t t i i c c s s Clicking the Diagnostics icon opens the Diagnostics dialog box and enables you to check the operation of connected Modbus gateways on the local computer.
6. Diagnostics Vlinx MESR9xx Modbus Gateway Page 34 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 2. In the drop down box select the specifi c Modbus gateway you want to check. 3. Click the Start button Information about the progress of the pinging process is displayed in the Te st Progress box.
7. Application Examples Vlinx MESR9xx Modbus Gateway Page 35 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 7 7 . . A A p p p p l l i i c c a a t t i i o o n n E E x x a a m m p p l l e e s s Modbus gateways can be used to integrate Modbus ne tworks in a wide va riety of settings.
7. Application Examples Vlinx MESR9xx Modbus Gateway Page 36 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ From Serial Masters To Ethe rnet Master, Slave IDs Fixed Legacy Modbus slaves may have fixed IDs. To integrate these into a Modbus TCP network, a multiport MESR model (List here) can assign virtual slave IDs.
7. Application Examples Vlinx MESR9xx Modbus Gateway Page 37 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 27. Time Critical Control, Direct and Remotely Monitored Modbus RTU, ASCII, and TCP Integration The range of potential devices and configurat ions of Modbus seri al networks is huge.
8. Modbus Help Vlinx MESR9xx Modbus Gateway Page 38 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 8 8 . . M M o o d d b b u u s s H H e e l l p p Modbus ASCII/RTU Basi.
8. Modbus Help Vlinx MESR9xx Modbus Gateway Page 39 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Hints and Tips A few simple suggestions that may assist you if your system is experiencing problems include: • Slowing down the polling rate may be he lpful if power cycling doesn’t cure the problem.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 40 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 9 9 . . A A p p p p e e n n d d i i c c e e s s This section includes .
9. Appendices Vlinx MESR9xx Modbus Gateway Page 41 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Appendix A: Default Gateway Settings Setting Default Value Gateway Name TBD Password password field is blank from factory DHCP Enabled IP Address Default 192.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 42 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Appendix B: Product Specifications This section includes the following.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 43 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ General Specifications Hardware and included accessories Device MESR90.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 44 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Controls, Indicators and Connector S pe cificati ons Switches Reset bu.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 45 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Serial Interface Specifications Mode Selection RS-232/422/485 software.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 46 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Network Specifications Memory Serial Memory 10 K bytes per port Networ.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 47 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Appendix C: Dimensional Diagrams Figure 29.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 48 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 30. Dimensional Diagram of an ME SR902T Modbus Gateway (Note: S.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 49 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 31. Dimensional Diagram of an MESR921 Modbus Gateway, Left and .
9. Appendices Vlinx MESR9xx Modbus Gateway Page 50 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Figure 32. Dimensional Diagram of an MESR921 Modbus Gateway, Botto m, .
9. Appendices Vlinx MESR9xx Modbus Gateway Page 51 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Appendix D: Connector Pinouts MESR901-x Serial Port Pinouts DB-9M Pin .
9. Appendices Vlinx MESR9xx Modbus Gateway Page 52 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Terminal RS-422 RS-485 A TXA(-) DATA- B TXB(+) DATA+ C RXA(-) --- D RX.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 53 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ MESR902D-x Serial Port Pinouts DB-9M Pin RS-232 RS-422 RS-485 1 DCD RX.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 54 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ MESR902T-x Serial Port Pinouts Terminal RS-232 RS-422 RS-485 A RTS TXA(-) DATA- B TD TXB(+) DATA+ C CTS RXA(-) --- D RD RXB(+) --- E GND GND GND In the RS-422 mode, TX lines are outputs an d RX lines are inputs.
9. Appendices Vlinx MESR9xx Modbus Gateway Page 55 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Standard Ethernet Cable RJ-45 Pin-out RJ-45 Pin Signal Wire Color 1 TX.
10. Glossary Vlinx MESR9xx Modbus Gateway Page 56 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ 1 1 0 0 . . G G l l o o s s s s a a r r y y Term Definition ADU Applica.
10. Glossary Vlinx MESR9xx Modbus Gateway Page 57 Manual Documentation Number MESR9xx-4508 m www.bb-elec.com/ www.bb-europe.com/ Term Definition Parity Bit A binary digit that is added to ensure that the num ber of bits with value of one in a given set of bits is always even or odd.
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