Siemens SENTRON ATC6500 Manual page 237

Transfer switching equipment and load transfer switches 3kc transfer control device
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Note
• In addition to the various delay times for limit violation, the transfer is also influenced by
the interlock times under parameter P07.n.02.
• The tie breaker TB /NPL is always closed after the breakers of the sources. Opening of
the tie breaker takes place simultaneously (see point 2). The time delay for closing of the
tie breaker is defined under P02.30.
• An automatic return can be prevented by parameter P08.04 or a digital input.
See also
Application O: 2S - NPL (Page 25)
Parameters (Page 160)
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
Transfer
12.2 Transfer sequence
235

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