Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 39)

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]
4-7
4.2 Power element
4 Function Description
Fig. 4-4: Timing diagram for motor holding brake
` The speed setpoint is brought from 100 ms to 0 within the internal de-
lay time (internal ENABLE). The emergency braking ramp DECDIS is
selectable.
` The brake output BR+ switches at a speed of 5 rpm or after 5 s at the
latest (EMRGTO).
` The rise times (t
brH
) and fall times (t
brL
) of the motor holding brake de-
pend on the motor type (see motor documentation).
Safe actuation of the motor holding brake
Safe actuation of the holding brake also requires:
` The N/O contact from a safety relay within the braking circuit
` A suppression device (e.g. varistor or flywheel diode).
][Funktion_Motorhaltebremse_protego_D_01_24_Schaltung
Analog-in
X3B/9-10
ENABLE
X3A/1
n-Setpoint value
internal
Brake BR+
X9/2-1
Motor speed
ENABLE
internal
Braking power
STO
Emergency braking ramp
TBRAKE0 def. 20 ms
Ramp+
TBRAKE def. 100 ms
EMRGTO max. 5 s
VEL0
DECDIS
tbrH tbrL
5
t
t
t
t
t
t
t
t
U
U
U
U
U
U
n
F