SKF Multilog On-Line System IMx-M User Manual page 157

Table 2-30: Channel setup options for relay.
Ch Setup Description
One out of One: The single channel selected must be in either alert or danger* before the relay
1oo1
will trigger.
One out of Two: At least one out of two selected analog channels must be in either alert or
1oo2
danger* before the relay will trigger.
One out of Three: At least one out of three selected channels must be in either alert or danger*
1oo3
before the relay will trigger.
One out of Many: At least one out of all selected channels must be in either alert or danger*
1ooN
before the relay will trigger.
Two out of Two: Both of the selected channels must be in either alert or danger* before the relay
2oo2
will trigger.
Two out of Three: At least two out of three selected channels must be in either alert or danger*
2oo3
before the relay will trigger.
Three out of Three: All three of the selected channels must be in either alert or danger* before
3oo3
the relay will trigger.
Advanced See section
dependent on whether relay type is Alert or Danger.
*
Before continuing, it is worthwhile making sure that we have a clear grasp of what all
this actually means.
So, using the above table, let's look at the state 2oo2 (Two out of Two). Assuming that
the relay type is set to "Alert or Not OK", then each channel will submit an alarm
candidate if its condition is either "Not OK", or is in "Alert or Danger".
SKF Multilog On-Line System IMx-M
User Manual
Protection Module Configuration with IMx-M Manager
Advanced Analog and Digital Channel Setup.
Protection
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