IECI MESR400 series 4-port Modbus gateway

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The MESR400 series Modbus gateways bridge devices on Modbus serial networks (RS-232, RS-422 or RS-485) with those on Modbus TCP networks, enabling seamless integration. The serial ports can be accessed over a LAN or WAN using direct IP-mode connections. Supporting up to 16 masters and 32 slaves, the gateways feature auto-detecting 10/100 Mbps copper and fibre optic options.

The easy-to-use software is designed for Windows XP, Windows Vista, Windows 7 and Windows 2003/2008 Server, features Modbus messaging priority control, and allows management through multiple TCP/IP client sessions. Serial data rates up to 230 Kbps ensure maximum network flexibility. The Class 1/Division 2 MESR gateways are built for industrial environments, featuring a slim IP30 DIN rail mountable case. They operate from a range of DC power supply voltages and have pluggable terminal block connectors.

The gateways can be powered via a barrel connector or a terminal block. An additional ethernet port functions much like an ethernet switch, allowing pass-through connectivity for other ethernet devices. This port can also be used to 'daisy chain' multiple gateways.