| 摘要 |
A system for testing whether a control system ( 2 ) is capable of detection and handling of faults, failures or failure modes ( 8 ) in a petroleum process plant ( 1 ), said control system ( 2 ) arranged for being connected with input signal lines ( 30 ) for receiving sensor and other input signals ( 30 ) from said petroleum process plant ( 1 ), and connected with control signals lines ( 40 ) for transmitting control signals ( 4 ) to said petroleum process plant ( 1 ), comprising the following features said control system ( 2 ) arranged for receiving simulated sensor signals or other input signals ( 3 s) from a simulated petroleum process plant ( 10 ) over said input signal line ( 30 ), said control system ( 2 ) arranged for transmitting control signals ( 4 ) to said petroleum process plant simulator ( 10 ) over said control signal line ( 40 ), The novel and inventive of the invention comprises the following features: an input signal modifier ( 9 ) arranged for being connected to said input signal line ( 30 ), said input signal modifier ( 9 ) arranged for modifying one or more said input signals ( 3 ) into modified input signals ( 13 ), said input signal modifier ( 9 ) being arranged for transmitting one or more of said modified input signals ( 13 ) and remaining non-modified input signals ( 3 ) to said control system ( 2 ).
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