Peripheral Devices
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8.11.4.4 Handling of QO and FP
QO and FP is the same thing, it is only the name that differ, and they are handled in the same way in both
protocol versions. In protocol version PDT the name is QO and in PQD the name is FP.
The value that PowerMACS uses as QO “Qualitätsaussage Orts Nr” is controlled by the parameters
QO for request of TMU, Use QO from PLC and the QO/SA table. The PLC system global PLUS_QO is
also used.
Request for TMU
When PowerMACS asks for a TMU the value written in QO for request of TMU is used as QO if
Use QO from PLC is unchecked.
If Use QO from PLC is checked the value of the PLC system global PLUS_QO is used instead. If the
value of PLUS_QO is not a valid QO an event is generated to inform the user and no request for TMU is
sent.
Sending results
When PowerMACS send tightening results to PLUS the value to use as QO is taken from result variable
Station QO stored in the cycle data.
The value to store in Station QO is determined by the mode number, according to the QO/SA table. The
first mode that was started will decide the QO. In the case of stitching different modes can be used for one
tightening, but the value will always be from the first mode.
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