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Siemens SICAM Q80 System Manual page 54

Power quality recorder
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54
SICAM Q80 7KG8080
Triggering via the network:
If multiple measurement devices are run, then when a device detects a trigger event, it can send a signal via the
network which is recognized by other devices on the network, which causes then to start triggered measurement as
well. This means that the effect of events at various measurement sites can be monitored, although the trigger
threshold was only overstepped at one location.
Distributed
The measurement device should send a signal around the network indicating a locally recognized
trigger release
trigger event. A holdoff time must be defined, meaning the minimum distance between the signaling
of consecutive trigger releases. This amount of time depends on how the network is structured, and
how it is burdened. The minimum time to specify, assume 0,6 s. To ensure that the same event does
not release the trigger repeatedly whenever it is detected and signalized at multiple sites, times > 1 s
are recommended.
Recognize
The measurement device should start a triggered measurement if a trigger release is detected on
trigger release
the network.
The trigger distribution is limited to the active subnet!
Power Quality Recorder SICAM Q80 7KG8080, System manual
E50417-H1076-C420-A2, Release 12.01.2015

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