9
CHAPTER 1: ABOUT YOUR MES1A/B CONVERTER
Thank you for purchasing an MES1A or MES1B Modbus TCP to Modbus ASCII/RTU
Converter!
Like all B&B Electronics products, this product has been manufactured to
the highest standards of quality and performance to ensure your complete
satisfaction.
MES1A and MES1B Modbus TCP to Modbus ASCII/RTU Converters
are easy-to-use,
cost-effective solutions for connecting new and existing Modbus ASCII/RTU serial
devices to TCP/IP networks. The
MES1A
provides this connection for Modbus devices
with RS-232 interfaces; the
MES1B
facilitates Modbus devices with RS-422 four-wire
point-to-point interfaces, or RS-485 four or two-wire multi-drop bus connections.
MES1A and MES1B Converters
MES1A Converters
allow new and legacy Modbus ASCII/RTU slave devices with RS-
232 serial ports to operate on a TCP/IP network as full Modbus TCP slaves. All
Modbus TCP devices on the network can share access to the Modbus ASCII/RTU
device.
MES1B Converters
allow Modbus/RTU slave devices with RS-422/485 interfaces to
operate on a TCP/IP network as full Modbus TCP slaves. All Modbus devices on an
RS-485 bus can be connected to the TCP/IP network via the MES1B, allowing them all
to be accessed by Modbus TCP/IP devices on the network.
Traditional Modbus ASCII/RTU master devices also can be connected to TCP/IP
networks using the MES1A/B, making the device appear to be a full Modbus TCP