Siemens SINAMICS G120 List Manual page 634

+24 V
DIP_B
STO_B
DIP_A
STO_A
<1> Switch-on delay starts when the "request pulse
suppression P1" is withdrawn.
1 2
Safety Integrated Basic Functions
STO (Safe Torque Off) (part 2) - PM240-2 FS D-F
PM
Shutdown upper
4 ms
IGBT bridge
halve
[2810.7]
1
4 ms
[2810.7]
Shutdown lower
IGBT bridge
halve
3 4
CU
Power Module
Enable STO
1 = No request pulse
p9601.7/
suppression P1
[2810.5]
p9801.7
DIAG_U
[2810.6]
1
0
0
1 = STO cause, selection via terminal on Power Module
r9772.25
1 = STO cause, selection via onboard PM terminal
r9872.25
Missing enable sig
r0046
r0046 .8
5 6
fp_2812_97_56.vsd
09.12.2015
FCP_dyn STO PM-T t
p9661
1 = PM terminals shutdown
paths must be tested
<1>
T 0
&
r9773.30 [2804.6]
A01678
SI: Test stop for STO via
terminals required at the PM
[2804.1], [2810.5]
[2804.3]
[2634]
7
Function diagram
CU240E-2/E-2_DP
V4.7.6
8
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