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AUTOMATIC CONTROL UNIT, OMD100
AUTOMATIC CONTROL UNIT, OMD100
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6.4 Operating modes
6.4.1 Operating modes in OMD100
6.4.1.1 Normal switching sequence + automatic OTM_C_D or motorized OTM40…125_CMA_
This operating mode is used when user has automatic OTM_C_D change-over switch or motorized
OTM40…125_CMA_ and line priority is Line 1 – Switch I.
6.4.1.2 No priority mode + automatic OTM_C_D or motorized OTM40…125_CMA_
This operating mode is used when user has automatic OTM_C_D change-over switch or motorized
OTM40…125_CMA_ and neither of the lines has priority. No line priority means that after switching
sequence the device remains on the Line 2 although the Line 1 starts to work properly. The back
switching is performed only if the Line 2 fails.
6.4.1.3 Manual back switching mode + automatic OTM_C_D or motorized
OTM40…125_CMA_
This operating mode is used when user has automatic OTM_C_D change-over switch or motorized
OTM40…125_CMA_ and the automatic back switching sequence has to be inhibited for example
while performing maintenance on the Line 1. If the Line 2 fails the switch is changed to the
position O.
6.4.1.4 Normal switching sequence + motorized OTM160…2500_CM_
This operating mode is used when user has motorized OTM160…2500_CM_ change-over switch and
line priority is Line 1 – Switch I.
6.4.1.5 No priority mode + motorized OTM160…2500_CM_
This operating mode is used when user has motorized OTM160…2500_CM_ change-over switch
and neither of the lines has priority. No line priority means that after switching sequence the device
remains on the Line 2 although the Line 1 starts to work properly. The back switching is performed
only if the Line 2 fails.
6.4.1.6 Manual back switching mode + motorized OTM160…2500_CM_
This operating mode is used when user has motorized OTM160…2500_CM_ change-over switch
and the automatic back switching sequence has to be inhibited for example while performing
maintenance on the Line 1. If the Line 2 fails the switch is changed to the position O.
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