Opening Time And Closing Time; Maximum Permissible Single Switching Energy; Maximum Emergency Stop Speed - Siemens SINAMICS S210 Operating Instructions Manual

Technical specifications
8.1 Technical data and properties of the motor
The holding brakes of the 1FK2 have a torsional backlash of less than 1°. The following table
contains additional technical data regarding the holding brakes:
Motor type
1FK2☐02
1FK2☐03
1FK2☐04
Holding torque M
The holding torque M
operation without slip (holding function when motor is at standstill). The data applies for the
state at operating temperature (120 °C).
Dynamic braking torque M
The dynamic braking torque M
for an EMERGENCY STOP.

Opening time and closing time

The delay times that occur when switching the brake.

Maximum permissible single switching energy

The maximum permissible single switching energy of an individual EMERGENCY STOP
procedure.
After an EMERGENCY STOP with the maximum single switching energy, allow for a cooling
time of at least 5 minutes before you put the motor into operation again.

Maximum EMERGENCY STOP speed

Maximum permitted speed for a safe EMERGENCY STOP procedure.
Total operating energy (service life)
The total switching energy is the sum of the single switching energy (switching energy for each
EMERGENCY STOP procedure). If the total switching energy is exceeded, flawless
functioning of the brakes can no longer be guaranteed.
● Refurbish the motor.
Formula for calculating the operating energy per braking operation
W
BR
W
Br
n
Mot
186
Holding Dyn. brak‐
torque ing torque
M at
4
120 °C
M M
/ Nm
4 1
0.32
1.3
3.3
4
is the highest permissible torque for the closed brake in steady-state
4
1m
= ( J + J ) • n
Mot Br load mot
/ J Operating energy per braking operation
/ rpm Speed at which the brake is engaged
Opening Closing
time
M
1m
t / ms t / ms
/ Nm
0.2 50
1.1 90
3 110
is the smallest mean dynamic braking torque that can occur
1m
² / 182.4
Maximum Maximum
time permissi‐ EMER‐
ble single GENCY
switching STOP
energy speed
W / J n / rpm
15 7.4 8000
20 62 7500
30 268 7500
SINAMICS S210 servo drive system
Operating Instructions, 12/2017, A5E41702836B AA
Total oper‐
ating ener‐
gy (serv‐
ice life)
W
/ kJ
max
0.5
5
35