Siemens SINAMICS G120 List Manual page 829

Processor 1
Enable signals for SBC P1
> 0
SI enable fct P1
p9601
&
SI enable SBC P1 = 1
p9602
Causes for "close brake"
0 = STO_P1
From the STO
shutdown paths
[2810.6]
0 = STO_P2
DIAG_U
0 = Pulses
&
suppressed
[2810.6]
DIAG_L
Safety fault
1 = STOP A
[2802.8]
A01790
Close "normal" brake from the basic brake control [2701.8]
Close "normal" brake from the extended brake control [2711.8]
Processor 2
Causes for "safely close brake"
0 = STO_P1
From the STO
shutdown paths
[2810.6]
0 = STO_P2
&
DIAG_U
0 = Pulses
suppressed
[2810.6]
DIAG_L
Safety fault
1 = STOP A
[2802.8]
Enable signals for SBC P2
> 0
SI enable fct P2
p9801
&
= 1
SI enable SBC P2
p9802
1 2
Safety Integrated Basic Functions
SBC (Safe Brake Control)
1 = "SBC enabled"
1 = "Fault, brake control"
1
0 = "SBC requested"
1
Safety Logic P1
1 = SBC
(Implementation and monitoring of brake
requested
r9772.4
[2804.1]
0 = "SBC
BR1*
selected"
0 = "SBC selected"
BR1*
Safety Logic P2
(Implementation and monitoring of brake
1
0 = "SBC requested"
1
1 = "Fault, brake control"
1 = SBC
requested
<2>
r9872.4
[2804.3]
&
1 = "SBC enabled"
3 4
0
F07930 "Incorrect brake control"
F01630 "Incorrect safety brake control, P1"
1
<2>
<2>
control)
BR1 BR2* BR_DIAG
Power Module Interface
BR2*
BR2
BR1 BR_DIAG
BR1
<2>
1 = Transistor
control)
conductive
F30630
"Incorrect safety brake control, P2"
5 6
fp_2814_97_03.vsd
05.09.2017
<2> Not if:
p9602 = p9802 = 0
and p1278 = 1
Diagnostic signal
Upper gating control channel
+24 V
<1>
BR+
BR_DIAG
[2802.1]
BR-
<1>
M
<1> Both transistors
conductive
BR2
--> 24 V on the brake
Lower gating control channel
--> Brake opened
The BR+ and BR-
outputs are only
available for compact
drive units.
7
Function diagram
G120 CU250S-2
V4.7.9
M
8
- 2814 -