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ATySController C35 - 549781A - SOCOMEC
Annex I - 4. Phase rotation check
The controller will check that each of the source present match the phase rotation order programmed in “SYSTEM” “ROT
PH”. Possible settings are L1L2L3, L1L3L2, or OFF, if the setting is set to OFF the controller will not check the phase rotation of
sources. If the phase rotation of the source does not match the settings the source LED in question will blink (LED 2 or 7) and
the controller will not switch over to this source even if this is the priority source or the only source available.
L2 (B)L3 (C)
OK
L3 (C)L2 (B)
NON OK
information: Phase rotation order is active only for 3P+N networks, in all other networks phase order will not be checked
to determine source availability
Annex I - 5. Voltage/Frequency Levels conguration
Voltage and frequency levels can be congured through the screen or with RS485 communication using the write function.
Nominal voltage and nominal frequency is congured in “SYSTEM””NOM. VOLT.” And “SYSTEM””NOM.FREQ”, hysteresis
and threshold values are congured in “Voltage” and “Frequency”
Source 1 and source 2 nominal voltage and frequency is common, but hysteresis and threshold values can be changed
independently for each source.
When the source value goes beyond the threshold for the duration of the “Fail timer” FT the source is considered unavailable, to
be considered available again the source value must be below the hysteresis settings for the duration of the “return timer” RT.
Source available
U/F
OVth/OFth
OVhy/OFhy
Unom/Fnom
UVhy/UFhy
UVth/UFth
Settings congured can be seen in the navigation screens 2 and 3: