9
05.01
9.3 Safety of machinery – safety–related parts of controls according to EN ISO 13849–1:2008
9-348
©
Siemens AG 2012 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
Implementation for the drive system SIMODRIVE 611
digital and universal
On the control modules, which are inserted into the power module, each control
module is equipped with a safety relay to implement the STO function. For
double–axis modules, the safety relay acts on both axes.
Everyline infeed includes an integrated main contactor, which can be used for
the Safe Torque Off function (STO).
9.3.3
Control modules safety–related circuit
U2
V2
W2
P5
ASIC
mit
Ansteuerlogik
uP
control mudule
SIMODRIVE 611 universal HRS
M600
P600
M
3~
AS1
AS2
663
K1
2
1
2
1
19
Power module
Optocoupler
Control amplifier (SIDU-ASIC)
K1 Safety relay
Fig. 9-9
SIMODRIVE 611 internal block diagram of the STO function
Closed–loop
control
Line infeed
9 Cabinet Design and EMC
02.12