Rexroth Indramat ECODRIVE03 Series User Manual

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16.7 Signal Sequence DKC**.3
Recommended Switching On Sequence
t
SV5076f1.fh7
t1
t2
t3
t4
t5
t6
t7
t8
internal signal
Command values
will take eect
AH is present at
the start signal
DKC**.3 signal sequence with recommended
startup sequence
AH takes eect
internally / for
asynchronous motors
Brake contact
actuated
Control voltage
applied
Bb contact closed
Mains voltage applied
Ud message
RF applied
Motor brake
released
AH takes eect
internally / for
synchronous motors
Fig. 16-38: Recommended switching on sequence
t1: Depends on functions and conguration.
t2: Made up of "Slow operation of mains contactor K1" and "PLC times".
t3: See page 4-55: "Digital outputs (ready, warning and UD-message)".
t4: Apply RF after signal U
D
-Signal.
t5: Internal delay time 8 ms.
t6: 300 ms due to eld built up in asynchronous motors, not applicable
to synchronous motors.
t7: Internal delay time due to brake relay:
330 ms with asynchronous
30 ms with synchronous motors
t8: Separation time of brake used, listed in relevant motor project
planning manual.
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Rexroth Indramat ECODRIVE03 Series Specifications

General

Brand	Rexroth Indramat
Model	ECODRIVE03 Series
Category	Controller
Language	English