Modbus/TCP Firmware Upgrade from Comtrol

Comtrol Corp., New Brighton, MN, offers new Modbus/TCP firmware for its DeviceMaster UP industrial gateway products. The v5.02 firmware features a command/response mode that allows multiple controllers of different types to communicate independently to serial and Ethernet TCP/IP raw/ASCII devices; up to 6 Ethernet TCP/IP application connections to serial and Ethernet TCP/IP raw/ASCII devices; support for Modbus/RTU and Modbus/ASCII serial slaves and masters; and the ability for Modbus masters to communicate to Modbus slaves as well as serial and Ethernet TCP/IP raw/ASCII devices. Applications include oil and gas industries, breweries, and SCADA and HMI. (800-926-6876, www.comtrol.com)