SIEB & MEYER SD2, Перевод оригинальной инструкции

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4.1 Functional Description
The SLOF function determines the actual rotating field frequency and compares it with
the parameterized limit value (see chapter 5 "Parameterization of the Limit Frequency",
page 23 ). If the rotating field frequency is below the limit value, the drive generates
the status FREQUENCY_IN_LIMITS. If the limit frequency is exceeded, the drive stops
generating more torque. Therefore, the spindle is not accelerated anymore. In this
case, the function status is FREQUENCY_OUT_OF_LIMITS. The drive generates the
according error message E46-8 (Frequency exceeded).
The following diagram shows the timing of the SLOF function:
Fig. 5: Timing diagram of the SLOF function
4.1.1 Time Point of Function Activation (SLOF)
The following diagram shows the timing of the SLOF function, when the function is acti‐
vated at the wrong point in time. In the time period marked with
the function status
Safe Limited Output Frequency (SLOF)
W
18 Drive System SD2 - Safety Functions SFM / SLOF
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