Siemens SIMOTICS M-1PH8, Руководство по эксплуатации

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Description
2.4 Structure
1PH808/1PH810 main motors
Operating Instructions, 04/2017, 610.48004.40f
37
Technical data of the holding brakes
Figure 2-4 Technical data of the mounted holding brake (DE) with emergency stop function
Figure 2-5 Terminology (time) for holding operation
Explanation of terminology in the table
Holding torque [Nm]: For motors with shaft height 100, the holding torque can be
continuously set in the specified value range using an adjusting ring. The dynamic braking
torque is approximately 70 % of the set holding torque.
Maximum speed n
max
[rpm]: Maximum permissible speed.
Perm. single switching energy W
E
[kJ]: Permissible operating energy during an emergency
stop,
W
E
= J
total
. x n
2
/182.4 x 10
-3
(J in kgm
2
, n in rpm)
Lifetime switching energy W
max
[MJ]: Max. possible switching energy of the brake (for
emergency stop) until the friction disk has to be replaced, W
max
= W
E
x z.
Number of emergency stops z: The specified number of emergency stops refers to the
specified conditions. A conversion can be made for operation under different conditions:
Number of emergency stops z = W
max
/W
E