Siemens SINAMICS S120 Function Manual page 258

Function modules
7.4 Extended brake control
closes when the speed drops below the standstill limit (p1226). After the brake closing time
(p1217), the speed controller is inhibited (no motor force!). Uses extended brake control.
<1>
r1229.3
<1>
[ ]
<1>
Figure 7-4 Example, operating brake for a crane drive
Control and status messages for extended brake control
Table 7- 2 Control: Extended brake control
Signal name
Enable speed setpoint
Enable setpoint 2
Unconditionally release holding brake
Enable speed controller
Unconditionally close holding brake
258
p1275.02 (1)
p1224[0]
1
p1279[0]
1
p1279[1]
p1142[C]
&
p1152
(r0899.15)
Binector input
p1142 BI: Enable speed setpoint
p1152 BI: Setpoint 2 enable
p0855 BI: Unconditionally release
holding brake
p0856 BI: Enable speed controller
p0858 BI: Unconditionally close holding
brake
0
1
[2501 ]
p0856
r1229.10
r0898.6
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Control word sequence control /
interconnection parameters
STWA.6
p1152 = r899.15
STWA.7
STWA.12
STWA.14
Drive functions