REXROTH IndraDyn A Series, Project Planning Manual, Page: 27 / 220

Rexroth IndraDyn A Technical Data
4-1
4 Technical Data
4.1 Operating Modes
Bosch Rexroth motors are documented according to the test criteria and
measuring methods of EN 60034-1. Stated technical data refer to the
operating mode S1 (continuous operation) and S6 (periodic operation),
each cooled with either surface cooling via directly-connected blower units
or with liquid cooling.
t
D t
P
D t
V
T
C
t
P
Q
max
P
V
Q
P
Q
max
P
V
Q
Operating mode S6 Operating mode S1
MK000013v01_EN.
FH10
P: Power
P
V
: Electric losses
Θ
: Temperature
Θ
max
: Highest temperature (stator)
t: Time
T
C
: Duty cycle time
∆
t
P
: Operating time with constant power
∆
t
V
: Idle time
Fig. 4-1: Operating modes according to EN 60034-1 :1998
ON Time
The operating mode S6 is supplemented by specification of the ON time
(ED) in %. The ON time is calculated as follows:
% 100
T
t
ED
C
p
⋅ =
∆
ED: Cyclic duration factor in %
T
C
: Duty cycle time
∆
t
P
: Operating time with constant capacity
Fig. 4-2: Cyclic duration factor