Manual documentation number 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 number 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 r : : m m e e s s r r 9 9 x x x x - - 4 4 5 5 0 0 8 8 m m t t h h i i s s p p r r o o d d u u c c t t ...
Table of contents page i manual documentation number 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 mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ modbus rtu message ............................................................................................................................................................ 25 modbus serial con...
1. Introduction vlinx mesr9xx modbus gateway page 1 manual documentation number mesr9xx-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 purchasing a mesr9xx modbus gatewayproduct! This product has been manufactured to the highest standa...
1. Introduction vlinx mesr9xx modbus gateway page 2 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ mesr9xx modbus gateway model numbering mesr9xx modbus gateway s are a growing family of products. Models are available with one or two serial connections. Network connect...
1. Introduction vlinx mesr9xx modbus gateway page 3 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ list of mesr9xx modbus gateway models the following table lists the various mesr9xx modbus gateway models available. Model number features mesr922t 2 rj45 copper, 2 port ...
1. Introduction vlinx mesr9xx modbus gateway page 4 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ model number features mesr902t-sc40 1 single-mode 40 km sc, 2 port mei with tb mesr902t-st80 1 single-mode 80 km st, 2 port mei with tb mesr902t-sc80 1 single-mode 80 km ...
1. Introduction vlinx mesr9xx modbus gateway page 5 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ • 10/100 mbps ethernet with auto selection, auto mdi/mdix • lan and wan communications • tcp client or server operation - configurable • firmware upload for future revisi...
2. Hardware vlinx mesr9xx modbus gateway page 6 manual documentation number mesr9xx-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 a t t e e w w a a y y h h a a r r d d w w a a r r e e mesr9xx modbus gateways are enclosed in din rail mount...
2. Hardware vlinx mesr9xx modbus gateway page 7 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ led indicators mesr9xx modbus gateways have three types of led indicators: ethernet link leds, a ready led and serial port leds. Figure 3. Ready ethernet port leds on 1 and 2...
2. Hardware vlinx mesr9xx modbus gateway page 8 manual documentation number mesr9xx-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 the hole in the enclosure an...
2. Hardware vlinx mesr9xx modbus gateway page 9 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ fiberoptic connectors modbus gateway models using fiber optic network connections use either sc or st connectors, depending on the specific model. Figure 7. Sc and st fiberop...
2. Hardware vlinx mesr9xx modbus gateway page 10 manual documentation number mesr9xx-4508m 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-position pluggable terminal bl...
2. Hardware vlinx mesr9xx modbus gateway page 11 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ figure 11. Din clips on modbus gateway modules. Large din clips are used on mesr92x, small din clips on mesr90x..
3. Setup and connections vlinx mesr9xx modbus gateway page 12 manual documentation number mesr9xx-4508m 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 h...
3. Setup and connections vlinx mesr9xx modbus gateway page 13 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ rs-232 connections support eight signal lines plus signal ground. Signals are single ended and referenced to ground. Default communications parameters are 9600,...
3. Setup and connections vlinx mesr9xx modbus gateway page 14 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ figure 13. Mesr901 connections connecting the mesr9x2t-x the mesr9x2t-x has two serial connections that support rs-232, rs-422 and rs-485 (2- and 4-wire). The u...
3. Setup and connections vlinx mesr9xx modbus gateway page 15 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ note: refer to appendix d for connector pinout information. Figure 15. Mesr902d-x connections connecting mesr9xx modbus gateways to a network network connection...
3. Setup and connections vlinx mesr9xx modbus gateway page 16 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ configuring the mesr9xx modbus gateway via the network connection when configuring via the network, either vlinx manager software or the web interface can be us...
3. Setup and connections vlinx mesr9xx modbus gateway page 17 manual documentation number mesr9xx-4508m 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 the ip address of the modbus...
3. Setup and connections vlinx mesr9xx modbus gateway page 18 manual documentation number mesr9xx-4508m 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. To enter console mode, press and hold the...
3. Setup and connections vlinx mesr9xx modbus gateway page 19 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ 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 s...
3. Setup and connections vlinx mesr9xx modbus gateway page 20 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ 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 re...
4. Properties vlinx mesr9xx modbus gateway page 21 manual documentation number mesr9xx-4508m 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 b u u s s g g a a t t e e w w a a y y p p r r o o p p e e r r t t i i e e s s the following mesr9xx m...
4. Properties vlinx mesr9xx modbus gateway page 22 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ data/parity/stop the number of data bits, type of parity and number of stop bits selected define the serial port parameters at which the modbus gateway will operate. These...
4. Properties vlinx mesr9xx modbus gateway page 23 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ if a dhcp server is not found on the network, the modbus gateway automatically configures to an ip address in the range of 169.254.0.0 through 169.254.255.255 and a subnet...
4. Properties vlinx mesr9xx modbus gateway page 24 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ mesr9xxmodbus gateways come from the factory with a default static ip address of 192.168.0.1, but will be reconfigured automatically via dhcp as appropriate. If you need t...
4. Properties vlinx mesr9xx modbus gateway page 25 manual documentation number mesr9xx-4508m 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 ga...
4. Properties vlinx mesr9xx modbus gateway page 26 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ character timeout the character timeout is the maximum time the gateway allows between characters from the slave device, used only in rtu mode. The default is 10ms. Crc/lr...
4. Properties vlinx mesr9xx modbus gateway page 27 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ password when you first receive the mesr9xx modbus gateway from the factory the password is blank so that you can initially access the modbus gateway without entering a va...
4. Properties vlinx mesr9xx modbus gateway page 28 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ • rs-485 4-wire - similar speed and distance specifications as rs-422 but allows multi-drop and full duplex connections. Typically uses two shielded twisted pairs and scre...
4. Properties vlinx mesr9xx modbus gateway page 29 manual documentation number mesr9xx-4508m 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 255.255.255.255) the subnet mask is ignored. ...
5. Upgrading firmware vlinx mesr9xx modbus gateway page 30 manual documentation number mesr9xx-4508m 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 o d d b b u u s s g g a a t t e e w w a a y y f f i i r r m m w w a a r r e e occasionally, updated f...
5. Upgrading firmware vlinx mesr9xx modbus gateway page 31 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ the current firmware version of the selected modbus gateway is shown in the text below the modbus gateway name. Information about the selected firmware file is sho...
5. Upgrading firmware vlinx mesr9xx modbus gateway page 32 manual documentation number mesr9xx-4508m 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-4508m 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 mod...
6. Diagnostics vlinx mesr9xx modbus gateway page 34 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ 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...
7. Application examples vlinx mesr9xx modbus gateway page 35 manual documentation number mesr9xx-4508m 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 networks in a wide variety of...
7. Application examples vlinx mesr9xx modbus gateway page 36 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ from serial masters to ethernet master, slave ids fixed legacy modbus slaves may have fixed ids. To integrate these into a modbus tcp network, a multiport mesr m...
7. Application examples vlinx mesr9xx modbus gateway page 37 manual documentation number mesr9xx-4508m 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 configurations of modbu...
8. Modbus help vlinx mesr9xx modbus gateway page 38 manual documentation number mesr9xx-4508m 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 basics the modbus protocol emerged in the mid-1970s as an early protocol for linking terminals with modic...
8. Modbus help vlinx mesr9xx modbus gateway page 39 manual documentation number mesr9xx-4508m 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 helpful if power cycli...
9. Appendices vlinx mesr9xx modbus gateway page 40 manual documentation number mesr9xx-4508m 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 the following appendices: • appendix a: default gateway settings • appendix b: product specifications...
9. Appendices vlinx mesr9xx modbus gateway page 41 manual documentation number mesr9xx-4508m 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 192.168.0.1, dhcp...
9. Appendices vlinx mesr9xx modbus gateway page 42 manual documentation number mesr9xx-4508m 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 • seria...
9. Appendices vlinx mesr9xx modbus gateway page 43 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ general specifications hardware and included accessories device mesr901-x, mesr902d-x or mesr902t-x modbus gateway module cd cd with vlinx manager software for windows 200...
9. Appendices vlinx mesr9xx modbus gateway page 44 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ controls, indicators and connector specifications switches reset button hold in for 0 to 2 seconds for hardware reset hold in for 2 to 10 seconds for console mode (do a ha...
9. Appendices vlinx mesr9xx modbus gateway page 45 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ serial interface specifications mode selection rs-232/422/485 software selectable rs-232 lines txd, rxd, rts, cts, dtr, dsr, dcd, gnd rs-422 lines txda(-), txdb(+), rxda(-...
9. Appendices vlinx mesr9xx modbus gateway page 46 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ network specifications memory serial memory 10 k bytes per port network memory 10 k bytes i/p port addresses 5300 configuration setting in tcp mode 8888 mesr9xx update net...
9. Appendices vlinx mesr9xx modbus gateway page 47 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ appendix c: dimensional diagrams figure 29. Dimensional diagram of an mesr901 modbus gateway (note: small case used for mesr901 series units).
9. Appendices vlinx mesr9xx modbus gateway page 48 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ figure 30. Dimensional diagram of an mesr902t modbus gateway (note: small case used for mesr902 series units).
9. Appendices vlinx mesr9xx modbus gateway page 49 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ figure 31. Dimensional diagram of an mesr921 modbus gateway, left and right side views (note: medium case used for mesr921 and mesr922 series units).
9. Appendices vlinx mesr9xx modbus gateway page 50 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ figure 32. Dimensional diagram of an mesr921 modbus gateway, bottom, top, back and front views (note: medium case used for mesr921 and mesr922 series units).
9. Appendices vlinx mesr9xx modbus gateway page 51 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ appendix d: connector pinouts mesr901-x serial port pinouts db-9m pin rs-232 1 dcd 2 rxd 3 txd 4 dtr 5 gnd 6 dsr 7 rts 8 cts 9 ri.
9. Appendices vlinx mesr9xx modbus gateway page 52 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ terminal rs-422 rs-485 a txa(-) data- b txb(+) data+ c rxa(-) --- d rxb(+) --- e gnd gnd.
9. Appendices vlinx mesr9xx modbus gateway page 53 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ mesr902d-x serial port pinouts db-9m pin rs-232 rs-422 rs-485 1 dcd rxa(-) --- 2 rxd rxb(+) --- 3 txd txb(+) data+ 4 dtr txa(-) data- 5 gnd gnd gnd 6 dsr --- --- 7 rts ---...
9. Appendices vlinx mesr9xx modbus gateway page 54 manual documentation number mesr9xx-4508m 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 lin...
9. Appendices vlinx mesr9xx modbus gateway page 55 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ 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...
10. Glossary vlinx mesr9xx modbus gateway page 56 manual documentation number mesr9xx-4508m 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 application data unit ascii american standard code for information interchange baud rate number of bits per ...
10. Glossary vlinx mesr9xx modbus gateway page 57 manual documentation number mesr9xx-4508m www.Bb-elec.Com/ www.Bb-europe.Com/ term definition parity bit a binary digit that is added to ensure that the number of bits with value of one in a given set of bits is always even or odd. It may also be a m...