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ABB REL 551 2.3 Series - Page 124

ABB REL 551 2.3 Series
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118
Thermal overload protection (THOL) &KDSWHU
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 $FWLYDWHWKH7+2/%/2&.ELQDU\LQSXW
The signals THOL-ALARM, THOL-START and THOL-TRIP
should disappear.
 5HVHWWKH7+2/%/2&.ELQDU\LQSXW
 &KHFNWKHUHVHWOLPLW7G5HVHW
Measure the signal THOL-START until it disappears on the corre-
sponding binary output or on the local HMI unit, take the “T Line”
readings and compare with the setting of TdReset.
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WKHIRUPXOD
 5HVHWWKHWKHUPDOPHPRU\
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