Funcionamiento/Temporización - Festo CMMS-AS Serie Montaje E Instalación

4. Técnica funcional de seguridad
4.2.3 Funcionamiento/temporización
El siguiente diagrama de temporización ilustra el funcionamiento de la "Parada segura" en
relación con la habilitación del regulador y del freno de retención:
"safe stop"
Triggering of pulse amplifier supply relay (optocoupler driver)
X3.2 (24V)
X3.2 (0V)
Supply of pulse amplifiers (optocoupler driver)
"ON" (15V)
"OFF"
Floating feedback contact for driver supply
(X3.5/6)
open
closed
Output stage enabling (X1, DIN4)
"ON"
Timing of output
stage enabling
variable
"OFF"
"ON"
"OFF"
Released
(24V)
Fixed
(0V)
n
n=0
Seven-segment
"H
display
"
"H"
t
t t
1 2 3
Fig. 4.2: Temporización de "Parada segura" según EN 954-1, categoría 3
82
2. shut-down path
1. shut-down path
Controller enabling (X1, DIN5)
Internal output stage enabling
(controlled by µP)
Holding brake control (X6.1/2)
Delay until brake is
released!
Can be set via FCT
Set speed "n"
Both ramps ca be set
separately via FCT
t t t t
4 5 6 7
Festo P.BE-CMMS-AS-HW-ES es 0708NH
Delay until brake is
applied!
t t t1 t1
8 9 0 1
"safe stop"
Timing of "safe stop"
activation variable.
To be determined by user,
e.g. by means of safety
switching devices, depending
on application.
t
Discharge curve of
electrolytic capacitors for the
supply of the pulse amplifiers
t
t
t
t
t
t
t
"H"
t
t1 t1
2 3