Woodward MicroNet TMR® Control System Communications

Communications

The MicroNet TMR platform’s open-architecture allows

users to easily interface with plant DCSs, HMIs, and

distributed I/O devices for system operation, as well as

control programming and service. Multiple

communication ports and protocols are available for

system communications, allowing users to select their

desired communication method and level of

communication redundancy. MicroNet-to-DCS

communications have been performed and qualified with

all major DCS vendors. The following communication

ports are available for use:

• Ethernet ports (10/100 BaseT)

• RS-232/-422/-485 Serial ports

• LON network for LinkNet® Distributed I/O Modules

Protocols Supported:

• Modbus® * (Serial or Ethernet)

• Ethernet TCP/IP & UDP

• OPC (OLE for Process Control)

• Printer Drivers, Modems, Data Loggers

Woodward also offers a suite of software service-tools to

simplify system troubleshooting and service. These tools

provide high-speed (5 milliseconds) operational and

analytical information such as graphical display of operating

data, historical trending, event logging, X-Y plotting, system

overviews, calibration pages, and other functions.

Expandability

The MicroNet TMR platform is expandable into additional expansion chassis as required by the system size, and will

support any mix of I/O, including networked and/or distributed I/O. Redundant “Real-Time Ethernet” networks are

utilized between main and expansion chassis to ensure a fast and reliable communications. Expansion chassis are

available in 6-, 8-, 12-, or 14-slot models. This TMR architecture allows all remote I/O points to be automatically

shared with each kernel CPU, increasing system robustness and availability.