Operating Instructions

Table Of Contents
Siemens Industry, Inc. • 86 Siemens Application
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Figure 29. Dead band.
Sleep frequency limit 1 (P3.12.2.7)
Sleep delay 1 (P3.12.2.8)
Wake-up level 1 (P3.12.2.9)
This function will put the drive into sleep mode if the frequency stays below the sleep limit for a longer
period than that set with the Sleep Delay (P3.12.2.8). This means that the start command remains on,
but the run request is turned off. When the actual value goes below or above the wake-up level depend-
ing on the set acting mode, the drive will activate the run request again, if the start command is still on.
Figure 30. Sleep limit, Sleep delay, Wake-up level.
11105.emf
Dead band (P3.12.1.9)
Refer ence
Dead band delay (P3.12.1.10)
Ou t pu t l oc k ed
Act ual val ue
11106.emf
Act ual val ue
Wake- up level
(P3.12.2.9)
Fr equency
Sl eep l i m i t
(P3.12.2.7)
Sleep delay
(P3.12.2.8)
Sl eepRegulating mode Regulating mode