Metronix ARS 2320, Руководство по эксплуатации продукта

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Functional safety technology Page 71
Product Manual „Servo drives ARS 2320, ARS 2340, ARS 2320W, ARS 2360W“ Version 8.0
6.2.3 Mode of operation / timing:
The following timing diagram shows how the “Safe Torque-Off (STO)” function works in connection
with the controller enabling and the holding brake:
t1
t2 t3 t5 t6 t7 t8 t10 t11
t12 t13
t9 t4
t
t
t
t
t
t
t
t
t
Triggering of pulse amplifier supply relay (optocoupler driver)
X3.2 (24 V)
X3.2 (0 V)
Supply of pulse amplifiers (optocoupler
driver)
“ON“ (15 V)
“OFF”
Floating feedback contact for driver
supply (X3.5/6)
open
closed
Output stage enabling (X1, DIN4)
“ON”
Timing of output
stage enabling
variable
Controller enabling (X1, DIN5)
Activation holding break (X6A.5/
6) opened (24
V )
closed (0 V)
Internal output stage enabling
(controlled by µP)
Set speed "n"
n=0
n
“H”
“H”
“H”
Seven-segment
display
Delay until brake is
released! Delay until brake is
applied!
Timing of "Safe Torque-Off
(STO)" activation variable.
To be determined by user, e.g.
by means of safety switching
devices, depending on
application.
2
nd
shut-down path
1
st
shut-down path
Discharge curve of
electrolytic capacitors for
the supply of the pulse
amplifiers
"Safe Torque-Off" (STO)
"Safe Torque-Off"
(STO)
“OFF”
“ON”
“OFF”
Can be set via Metronix ServoCommander
TM
Both ramps ca be set
separately via
Metronix
ServoCommander
TM
Figure 12: Timing of “Safe Torque-Off” (STO) as per EN ISO 13849-1, Category 3
Performance Level d