3
F
unction
d
iag
ram
s
3.10
Safety Inte
gra
ted
Basic F
unction
s
SINAMICS G120
C
U
250S-2 C
ontrol Units
82
6
List Manua
l, 09/2
017
, A5E3384289
0
F
ig.
3
-80
28
10 – SS1
(Sa
fe Stop 1),
ST
O (Safe Torq
ue Off)
(Part
1
)
- 2810 -
Function diagram
8
7
6
5
4
3
2
1
fp_2810_97_03.vsd
Safety Integrated Basic Functions
G120 CU250S-2
05.09.2017
V4.7.9
SS1 (Safe Stop 1), STO (Safe Torque Off) (part 1)
<2>
+24 V
T
0
[2840.5]
T
0
p9659(8)
<1>
T
0
&
1
[2804.1]
&
&
p9501.0 = 1
p9601 0
1
1 = STOP A
&
[2802.8]
1
&
1
1
[2804.3]
T
0
p9801.0 = 1
&
1
[2804.3]
&
&
p9301.0 = 1
[2800.3]
[2804.3]
p9801 0
1
1 = STOP A
&
[2802.8]
1
&
1
1
<1>
&
&
1
[2804.1]
=1
Processor 1
Redundant functions
Processor 2
1 = SS1 cause
selection terminal
(Basic Functions)
1 = SS1 cause
selection PROFIsafe
(Basic Functions)
STO active
1 = STO cause:
selection via SMM
0 = Request pulse
suppression P1
Timer for forced checking procedure
1 = STO cause:
selection PROFIsafe
(Basic Functions)
1 = Test stop for
STO required
Monitoring for simultaneous
occurrence
SS1 delay time on P1 active
SS1 delay time on P2 active
1 = STO selected on P2
1 = SS1 cause
selection terminal
(Basic Functions)
1 = STO cause:
selection via SMM
1 = STO cause:
selection PROFIsafe
(Basic Functions)
1 = STO cause: Safety commissioning
mode
0 = Request pulse suppression P2
Switch-on delay starts when the "request pulse
suppression P1" is withdrawn.
<2> Redundant functions in the Processor 1 (P1) and
Processor 2 (P2).
SS1: Safe Stop 1
STO: Safe Torque Off
CU DI status
r0722
r0722
.4
CU DI status
r0722
r0722
.5
Enable STO via
terminals (P2)
Enable STO via
terminals (P1)
M
~
U
V
W
1
+5 V
+5 V
<3>
<3>
Upper IGBT
bridge halve
Safe
pulse
sup
pressio
n
Gating unit
Lower IGBT
bridge halve
Gating unit
1 = STO on P1 active
p9652 0
p9601.2 = 0
p9601.3 = 1
p9852 0
p9801.2 = 0
p9801.3 = 1
&
&
p9601.2 = 0
p9601.3 = 1
Kl. 16
Kl. 17
p9601.0 = 1
&
&
1 = STO cause: selection
PROFIsafe (Basic Functions)
r9772.18
SI F-DI chg t P1
p9650
SI F-DI chg t P2
p9850
&
p9801.2 = 0
p9801.3 = 1
&
&
&
r9872.18
r9872.20
[2804.3]
[2804.3]
r9872.0
r9872.23
1 = SS1 cause
selection PROFIsafe
(Basic Functions)
r9872.17
[2804.3]
SI status P1
r9772
r9772
.2
[2804.3]
r9772.23
[2804.1]
r9772.20
[2804.1]
r9772.17
[2804.1]
[2804.1]
[2804.1]
SI Status P2
r9872
r9872
r9872.16
.2
[2804.3]
r9773.31
r9772.1
[2804.6]
A01699
r9772.20
1 = STO cause: selection
PROFIsafe (Basic Functions)
r9872.20
[2800.3]
[2804.1]
1 = STO cause: Safety commissioning
mode
r9772.16
[2804.1]
1 = STO selected on P1
r9772.0
F01611 (P1)
F30611 (P2)
DIAG_L
DIAG_U
&
r9872.22
r9772.22
&
&
[2804.3]
<3>
r9722.0 = 1
[2840.5]
STO active
r9722.0 = 1
Transistors inhibited for a "0" signal.
[2802.2]
[2812.5]
[2802.2]
PM-IF: Power Module Interface
M
1 = "STO active" for
sequence control
[2804.1]
r9772.7
r9772.7
1
r9772.25
[2812.6]
&
&
[2812.3]
[2812.5]
,
<4>
<4>
<4>
<4>
<4>
1 = STO cause, selection via
terminal on Power Module
1
[2812.3]
<4>
[2813.8]
Only for PM240-2 FS D-F.
Power Module Interface
- Vdc
+ Vdc