Functions, monitoring, and protective functions
9.2 Drive functions
Inverter chassis units
Operating Instructions, 07/2016, A5E00331449A
423
Figure 9-8 Sequence diagram, simple brake control
The start of the closing time for the brake depends on the expiration of the shorter of the two
times p1227 (standstill detection monitoring time) and p1228 (pulse cancellation delay time).
Danger to life when incorrectly using the basic brake control
Accidents causing serious injury or death can occur if the basic brake control is incorrectly
used.
• Do not use the basic brake control as service brake.
• Carefully observe the special technological and machine-specific conditions and
standards for ensuring personnel and machine safety.
• Take into account the risks that can result, e.g. from suspended axes.
● Automatic activation by means of sequence control
● Standstill (zero-speed) monitoring
● Forced brake release (p0855, p1215)
● Application of brake for a 1 signal "Unconditionally close holding brake" (p0858)
● Application of brake after "Enable speed controller" signal has been canceled (p0856)
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