Siemens SINAMICS G150 - Page 1122

3 Function diagrams 3.9 Safety Integrated Basic Functions
SINAMICS G130/G150
1122 List Manual (LH2), 04/2014, A5E03263479A
Fig. 3-80 2811 – STO (Safe Torque Off), safe pulse suppression
- 2811 -
Function diagram
87654321
fp_2811_54_eng.vsd
DO: SERVO, VECTOR
S120/S150/G130/G150
17.01.12 V04.07.00
SI Basic Functions - STO (Safe Torque Off), safe pulse suppression
Motor Module
0 = Request pulse suppression MM
DRIVE-CLiQ
Request
pulse
suppression
CU
[2810.8]
M
~
U
V
W
+ Vdc
-Vdc
Gating unit
Gating unit
1
&
r9872.1
1 = STO active in drive
1 = STO active on Control Unit
r9772.1
+5 V
to SBC
Save pulse
suppression
+5 V
Upper IGBT
bridge halve
Shutdown path from CU
0 = STO_CU
Shutdown path from MM
0 = STO_MM
DIAG_L
DIAG_U
Lower IGBT
bridge halve
<1>
<1>
1
r9780 CU / r9880 MM
STO: Safe Torque Off
<1> Transistors inhibited for a "0" signal.
to SBC
[2804.2]
1 = STO on MM active
[2804.5]
[2802.1]
[2814.2]
[2802.1]
[2814.2]
[2814.2]
[2814.2]
[2810.8]
[2804.7]
r9773.1