1. INTRODUCTION
Thank you for purchasing the BB-MESP211T Modbus Gateway. This product has been manufactured to the highest
standards of quality and performance to ensure your satisfaction.
ABOUT BB-MESP211T MODBUS GATEWAY
Model BB-MESP211T Modbus Gateway connects Modbus networks (RS-232, RS-422 or RS-485) to Ethernet
networks, allowing the Modbus network to become a node on the network. The serial port can be accessed over a
LAN/WAN using Direct IP Mode connections. Model BB-MESP211T features a 10/100BaseTX copper RJ-45 port.
The BB-MESP211T is built for industrial environments, featuring an IP30 slim-line, panel mountable case with a DIN
rail mounting option. The server requires a 10-30Vdc power source. A 12Vdc wall adapter power supply is
included and the preferred method to power the unit.
BB-MESP211T FEATURES
Model Number
Serial Protocol
BB-MESP211T
RS-232/422/485
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Pluggable terminal block serial port connector
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Software selectable as RS-232, RS-422 or RS-485 2- or 4-wire
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Configuration of Ethernet and serial port settings using software
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Configuration can be done via network, web page or direct serial connection
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Slim-line, panel mountable case (DIN rail mount option)
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10-30Vdc power input required; 12Vdc AC wall adapter included (Model# BB-SMI-12-V-P5)
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10/100 Mbps Ethernet with Auto Selection, Auto MDI/MDIX
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LAN and WAN Communications
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Modbus TCP Client or Modbus TCP Server - configurable
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Firmware Upload for future revisions/upgrades
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Software Support - Windows XP (32/64 bit), 2003 Server (32/64 bit), Vista (32/64 bit), 2008
Server (32/64 bit), Windows 7 (32/64 bit), Windows 8 (32/64 bit), Windows Server 2012
CONFIGURATION SOFTWARE
The configuration software enables you to find connected Modbus Gateways, configure them, upgrade
firmware, and save/load configuration files. It features a graphical user interface (GUI) that is convenient
and easy to use.
Modbus Gateway – BB-MESP211T
Serial Port
Terminal Block (removable)
7
Ethernet Port
RJ45