Protection
Protection Module Configuration with IMx-M Manager
SKF Multilog On-Line System IMx-M
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User Manual
Table 2-30: Channel setup options for relay.
Ch Setup
Description
1oo1
One out of One
: The single channel selected must be in either alert or danger* before the relay
will trigger.
1oo2
One out of Two
: At least one out of two selected analog channels must be in either alert or
danger* before the relay will trigger.
1oo3
One out of Three
: At least one out of three selected channels must be in either alert or danger*
before the relay will trigger.
1ooN
One out of Many
: At least one out of all selected channels must be in either alert or danger*
before the relay will trigger.
2oo2
Two out of Two
: Both of the selected channels must be in either alert or danger* before the relay
will trigger.
2oo3
Two out of Three
: At least two out of three selected channels must be in either alert or danger*
before the relay will trigger.
3oo3
Three out of Three
: All three of the selected channels must be in either alert or danger* before
the relay will trigger.
Advanced
Advanced Analog and Digital Channel Setup
*
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 ta
ble, 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”.
