Operating instructions

Setpoint channel and closed-loop control
7.2 Setpoint channel
Drive converter cabinet units
Operating Instructions, 10/2008, A5E00288214A
261
Parameter
• p1080
Minimum speed
• p1091
Skip frequency speed 1
• p1092
Skip frequency speed 2
• p1093
Skip frequency speed 3
• p1094
Skip frequency speed 4
• p1101
Skip frequency speed bandwidth
• r1112
Speed setpoint after minimum limiting
7.2.4 Speed limitation
Description
Speed limitation aims to limit the maximum permissible speed of the entire drive train to
protect the drive and load machine/process against damage caused by excessive speeds.
Signal flow diagram
6SHHGOLPLWSRVLWLYH
6SHHGOLPLWQHJDWLYH
6SHHGOLPLWQHJDWLYHHIIHFWLYH
6SHHGOLPLWSRVLWLYHHIIHFWLYH
0D[LPXPVSHHG
QVHWBDIWHUBPLQBOLP 6HWBEHIB5)*
S>&@
S
S
S


0,1

U U
0$;
S>&@
S
S

U
U

Figure 7-2 Signal flow diagram: Speed limitation