Siemens SINUMERIK 840D sl Function Manual page 257

05.08
Note
The block must be called by the user program. The user must provide an instance
DB with any number for this purpose. The call is multi–instance–capable.
Example of calling FB11
UN M 111.1
= DB33.DBX23.5;
UN DB33.DBX92.5 = M111.5
AUF "Axis3";
O E
O M
FP M
UN M
S M
S M
SPBN m001;
L DBB 68;
UW W#16#F;
T MB 115;
L B#16#10;
T DBB 8;
m001: U DBX 68.6;
U M
FP M
R M
S M
S DBX 28.7;
U DBX 63.1;
U M
FP M
R M
S M
CALL FB 11 , DB211 (//Brake test module
Start
Quit
Bclosed :=M111.5,
Axis
TimerNo :=T 110
TV_BTactiv :=S5T#200MS,
TV_Bclosed :=S5T#1S,
© Siemens AG 2008 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
//Brake test, Z axis
73.0; //Initiates the brake test, Z axis
110.7; //Brake test running
110.0;
111.4; //Fault has occurred
110.7; //Brake test running
110.6; //Next step
//Note channel status
//Request neutral axis
//Feedback signal, axis is neutral
110.6;
110.1;
110.6;
110.5; //Next step
//Request PLC–monitored axis
//Feedback signal, the PLC is monitoring the axis
110.5;
110.2;
110.5;
111.0; //Start the brake test for FB
:= M111.0, //Start brake test
:= E3.7, //Acknowledge error with Reset key
//Feedback signal close brake initiated
:=3 //Axis number of axis to be tested, Z axis
//Timer number
//Monitoring time value: Brake test active
//Monitoring time value: Brake closed
Connecting Sensors/Actuators
7.4 Safe brake test (SBT)
//Request close Z axis brake from FB
//Control Z axis brake
//Z axis brake is closed
DBX71.0
7-257