Siemens SINAMICS S120 Manual De Listas página 2274

Motor Module
DRIVE-CLiQ
Request
pulse
suppression
CU
[2810.8]
0 = Request pulse suppression MM
[2810.8]
<1> Transistors inhibited for a "0" signal.
1 2
DO: SERVO, VECTOR
SI Basic Functions - STO (Safe Torque Off), safe pulse suppression
Shutdown path from CU
0 = STO_CU
[2814.2]
to SBC
[2814.2]
Shutdown path from MM
0 = STO_MM
r9872.1
1 = STO on MM active
[2804.5]
r9773.1
[2804.7]
[2802.1]
[2814.2]
[2802.1]
[2814.2]
3 4
1 = STO active on Control Unit
r9772.1
1
+5 V
<1>
Save pulse
suppression
+5 V
<1>
1
&
5 6
fp_2811_54_eng.vsd
17.01.12 V05.02.03
r9780 CU / r9880 MM
[2804.2]
Upper IGBT
bridge half
Gating unit
Lower IGBT
bridge half
Gating unit
STO: Safe Torque Off
7
Function diagram
S120/S150/G130/G150
+ Vdc
U
V
~
M
W
- Vdc
8
- 2811 -