Enron Modbus Gateway/Control Interface

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20th November 2008

Source: SoftPLC Corporation

SoftPLC Corporation adds Enron Modbus serial and ethernet drivers to their SoftPLC Programmable Automation Controllers. Enron Modbus is a modification to the standard Modbus communication protocol, used in process control devices such as chromatographs, flow computers, odorization systems, RTU's, and fire/gas alarm systems.

SoftPLC's can be used as programmable protocol converters (gateways) between Enron Modbus devices and existing controllers, such as PLC's, DCS, and SCADA systems (eg: a bridge between the Modbus, Enron Modbus, Profibus, DeviceNet, and the Allen-Bradley PLC worlds).

SoftPLC's can also be used as a feature-rich control platform connected to both Enron Modbus devices and other I/O.

SoftPLC's have virtually unlimited user memory and data register capacity. So a single SoftPLC can be configured to read many, many process devices. SoftPLC's can execute selection logic, complete range validation and other functions, and make massaged data and/or the raw data available to HMI/SCADA systems and other PLC's/PAC's on the network. In one recent installation, SoftPLC was able to hold the data from over 25,000 flow computer runs!

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