Fb11: Brake Test - Siemens SINUMERIK 840D sl Function Manual

END_VAR
VAR_OUTPUT
END_VAR
VAR_INOUT
END_VAR
Description of formal parameters
Parameter
In1:
In2:
In3:
Ackn1 :
Ackn2 :
TimeValue1 :
TimeValue2 :
TimeValue3 :
Out0 :
Out1 :
Out2 :
Out3 :
FirstRun:
13.17.9

FB11: Brake test

Function
The braking operation check should be used for all axes, which must be prevented from moving
in an uncontrolled manner by a holding brake. "Vertical axes" are the main application.
The machine manufacturer can use the PLC user program to regularly close the brake at a
suitable instant (e.g. every 8 hours) and have the drive exert torque/force in addition to the
weight of the axis. In errorfree operation, the brake can produce the necessary braking torque/
braking force. The axis will hardly move during this.
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
TimeValue1 : TIME;
TimeValue2 : TIME;
TimeValue3 : TIME;
Out0 : BOOL;
Out1 : BOOL;
Out2 : BOOL;
Out3 : BOOL;
FirstRun: BOOL;
Typ Type
e
I BOOL
I BOOL
I BOOL
I BOOL
I BOOL
I S5TIME
I S5TIME
I S5TIME
O BOOL
O BOOL
O BOOL
O BOOL
I/O BOOL
P3: Basic PLC program for SINUMERIK 840D sl
Value range
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
0 (FALSE), 1 (TRUE)
13.17 Block descriptions
Description
Input 1
Input 2
Input 3
Acknowledgment input 1
Acknowledgment input 2
Time value 1 for OFF delay
Time value 2 for OFF delay
Time value 3 for OFF delay
Output, instantaneous (no delay)
Output, delayed by TimeValue1
Output, delayed by TimeValue2
Output, delayed by TimeValue3
Call bit memory
981