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FIELD BUS COUPLER FOR CONNECTING INPUT/OUTPUT MODULES TO A FIELD BUS, AND METHOD OF OPERATION FOR A FIELD BUS COUPLER
FIELD BUS COUPLER FOR CONNECTING INPUT/OUTPUT MODULES TO A FIELD BUS, AND METHOD OF OPERATION FOR A FIELD BUS COUPLER
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机译:用于将输入/输出模块连接到现场总线的现场总线耦合器,以及用于现场总线耦合器的操作方法
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摘要
A method and apparatus for operating a field bus coupler in a normal operating mode to connect at least one input/output module with the control computer of an industrial automation system, including receiving from the control computer via a field bus a control output value that is transmitted via a sub-bus to the at least one input/output module, and receiving from the at least one input/output module via a sub-bus a control input value that is transmitted via the field bus to the control computer. During a diagnostic mode, the apparatus is operable to assign to the at least one input/output module via the sub-bus at least one desired diagnostic output value, and to assign to the control computer via the field bus at least one desired input value.
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