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Logging Inputs DESCRIPTION Individual changes in I/O state are accurately logged. The IOLOG command can be used to display and save I/O logs. Applications have the ability to query I/O log detail with sufficient accuracy to calculate information such as the RPM (Revolutions Per Minute) of a wind turbine both at high speeds and very low speeds (fractions of RPM). The I/O logs can be used in preference to monitoring the input state itself. EXAMPLE I/O Log content: 06/10/21 13:00:45.487, DIN ---- 0000 0000, RLY ---- ---- 0000 0000 06/11/21 11:10:41.197, DIN ---- 0000 0000, RLY ---- ---- 0000 0001 06/11/21 11:10:41.297, DIN ---- 0000 0000, RLY ---- ---- 0000 0000 06/11/21 13:23:29.008, DIN ---- 0000 0000, RLY ---- ---- 0000 0001 06/11/21 13:23:31.008, DIN ---- 0000 0000, RLY ---- ---- 0000 0000 06/11/21 13:23:34.813, DIN ---- 0000 0000, RLY ---- ---- 0000 0001 06/11/21 13:23:34.913, DIN ---- 0000 0000, RLY ---- ---- 0000 0000 06/11/21 13:28:30.665, DIN ---- 0000 0000, RLY ---- 0001 0000 0000 06/11/21 13:28:39.023, DIN ---- 0000 0000, RLY ---- 0001 0000 0010 06/11/21 13:30:24.665, DIN ---- 0000 0000, RLY ---- 0000 0000 0000 Note that in this example an external Power 4ROUT was added a one point and one of its relays closed and later opened. NOTES High frequency input signals can impact product performance and logging for individual inputs may be disabled if that is of concern. It may be more that a frequently changing signal may mask the activity of other inputs given that the I/O log queue itself is of a fixed size. SEE ALSO HELP Topics: IO/Inputs/Log, IOLOG, JRMON [/flash/manpages/registry.hlp:2591]