SEW-Eurodrive MOVIPRO PHE Series, Руководство по эксплуатации, Страница: 69 / 100

8
Operation
Relative cyclic duration factor (cdf)
Operating Instructions – MOVIPRO
®
PHE..B-A15-.1X0..B-00
69
INFORMATION
To ensure fault-free operation, the M12 parameter memory must be plugged in.
INFORMATION
• After disconnecting the device from the current supply, adhere to a minimum
switch-off time of 5 seconds before re-establishing the current supply.
• The avoid bouncing, do not switch the device on and off again in quick succes-
sion.
8.2 Relative cyclic duration factor (cdf)
The cyclic duration factor (cdf) is the ratio between the period of loading and the cycle
duration. The cycle duration is the sum of times of operation and times at rest and de-
energized. The typical value for the cycle duration is 10 min.
cdf
total time of operation t t t
cycle duration T
=
+ +
·
( )
( )
%
1 2 3
100
27021597976207755
8.3 Duty cycles
8.3.1 Duty type S1
Continuous duty: Operation with a constant loading condition, the motor achieves a
thermal steady state.
P, ϑ
ϑ
max
S1
P
ϑ
t
2325833867
23576855/EN – 10/2017