Fig. 3-85 2814 – SBC (Safe Brake Control), SBA (Safe Brake Adapter)
- 2814 -
Function diagram
87654321
DO: SERVO, VECTOR
S120/S150/G130/G150
07.05.15 V04.08.00
SI Basic Functions - SBC (Safe Brake Control), SBA (Safe Brake Adapter)
Control Unit
Motor Module
> 0
Safety enable p9801
Enable SBC p9802
Enable signals for SBC MM
Causes for "close brake"
From the STO
shutdown paths
[2810.6]
0 = STO_CU
0 = STO_MM
DIAG_U
DIAG_L
Safety fault
[2802.8]
1 = STOP A
Enable signals for SBC CU
> 0
Safety enable p9601
Enable SBC p9602
Causes for "safely close brake"
From the STO
Shutdown paths
[2810.6]
0 = STO_CU
0 = STO_MM
DIAG_U
DIAG_L
Safety fault
[2802.8]
1 = STOP A
0 = Pulses
canceled
[2811.3]
= 1
= 1
0 = Pulses
cancelled
[2811.3]
fp_2814_54_eng.vsd
r9880 MM
M
~
+24 V
BR2
BR1
1 = Transistor conductive
Upper gating control channel
Lower gating control channel
SBA - BR+
<1>
<1>
1
&
0 = "SBC selected"
F30630 "Incorrect safety brake control, MM"
1 = Fault, brake control
0 = "SBC requested"
0 = "SBC requested"
1 = "SBC enabled"
1
1 = "Fault, brake control"
<1> Motor brake 24 V DC.
<2> Not if:
p9602 = p9802 = 0 and p1278 = 1
<3> Only for Booksize.
<4> Only for Chassis (CIM).
<5> Motor brake 230 V AC.
1 = "SBC enabled"
0 = "SBC selected"
1
1
&
BR_DIAG
[2802.1]
M
SBA - BR-
1
0
r9780 CU
<2>
<2>
<2>
SBA: Safe Brake Adapter
SBC: Safe Brake Control
&
&
SBA_DIAG
S
B
A
<3>
<4>
<3>
BR_DIAG
F07930 "Incorrect brake control"
F01630 "Incorrect safety brake control, CU"
Safety Logic CU
<2>
(Implementation and
monitoring of brake control)
Close "normal" brake from the basic brake control [2701.8]
Close "normal" brake from the expanded brake control [2711.8]
Rapid de-excitation
Brake rectifier
<5>
&
Note:
With VECTOR with activated "parallel circuit" Function Module (r0108.15 = 1), the holding brake may only be connected to a power unit (p7015).
Safety Logic MM
(Implementation and
monitoring of brake control)
<4> SBA_DIAG
<3> SBA_DIAG
1 = SBC requested
r9872.4
r9872
[2804.5]
Safe Brake Adapter feedback signal
r9872.3
r9872
<4> SBA_DIAG
<3>
<4>
(0)
SI SBA S_src CU
p9621
Signal source ؙ used HW (e.g. r0722.x, TM31, )
1 = SBC requested
r9772.4
r9772
[2804.2]
BR_DIAG