10 October 2011
With the addition of the new EMM Interface Module, the process control and distributed I/O network now comes standard with an Ethernet (MODBUS/TCP) port and dual, independent MODBUS RTU (RS-485) ports. One or both of the MODBUS RTU ports can be configured as MODBUS master ports, allowing the NCS to poll other MODBUS RTU slaves with the network polling functions of a typical MODBUS master.Previously, the NCS could only act as a MODBUS slave. The update now enables it to be used as either a single or dual MODBUS master, allowing it to provide simultaneous Ethernet and dual MODBUS RTU master/slave communications.The NCS provides a real-time signal gateway between the field or factory floor and control strategies and is designed to work in demanding industrial applications and settings.
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