5 limit switches, Limit switches, Appendix – Lenze 931E/K Small Drives Control User Manual
Page 181
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Appendix
Timing charts
Limit switches
l
181
SW−HB 13.0002−EN 4.1
10.5.5
Limit switches
t
1
t
2
t
4
t
t
t
t
3
931E_125
Fig. 35
Limit switch
0 Limit switch active
1 Actual speed (1)
2 Actual speed (2)
ƒ
t1 < 0.2 msec
ƒ
t2 = N x 0.2 msec
Depends on the quick stop ramp
ƒ
t3 < 0.2 msec
ƒ
t4 = N x 0.2 msec
Depends on the speed ramp
Actual speed(1): Direction of rotation permanently inhibited through the limit switch.
Actual speed (2): Direction of rotation not permanently inhibited through the limit switch.
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