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4. Sécurité fonctionnelle
4.2.2
Diagramme des temps de réponse STO
"Safe Torque off"
Triggering of pulse amplifier supply relay (optocoupler driver)
X3.Y.2 (24V)
X3.Y.2 (0V)
Supply of pulse amplifiers (optocoupler driver)
"ON" (15V)
"OFF"
Floating feedback contact for driver supply
(X3.Y.5/6)
open
closed
Output stage enabling (X1.Y, DIN4)
"ON"
Timing of output
stage enabling
variable
"OFF"
"ON"
"OFF"
released
(24V)
fixed
(0V)
n
n=0
Seven-segment
display
"H"
"H"
t1
t2 t3
tx
= 1,6 ms (temps de cycle du régulateur)
Y
= 1 / 2, en fonction de l'axe
14535d_1
Figure 4.2 Diagramme des temps de réponse STO
Festo P.BE-CMMD-AS-HW-FR 1002NH
2. shut-down path
1. shut-down path
Controller enabling (X1.Y, DIN5)
Internal output stage enabling
(controlled by µP)
Releasing motor holding brake (X6.Y.1/2)
Delay until brake is
released!
Can be set via Festo Configuration Tool „FCT"
Set speed "n"
Ramp can be set via
Festo Configuration Tool
„FCT"
t4
t5 t6
t7
"Safe Torque off"
Timing for activation of "Safe
Torque off" with safety
switchgear PNOZ.
Discharge curve of
electrolytic capacitors for the
supply of the pulse amplifiers
"H"
tx
t8
t9
t10
t11
t12 t13
t
t
t
t
t
t
t
t
t
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