Siemens SINUMERIK 828D

P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
992 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Example of a call for FB 11:
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.
AN M 111.1; //Request to close brake, Z axis of FB
= A 85.0; //Brake control, Z axis
OPEN Axis3"; //Brake test, Z axis
O I 73.0; //Brake test trigger, Z axis
O M 110.7; //Brake test running
FP M 110.0;
UN M 111.4; //Error has occurred
S M 110.7; //Brake test running
S M 110.6; //Next step
JCN m001
L DBB 68;
AW W#16#F;
T MB 115; //flag channel state
L B#16#10
T DBB 8; //Request neutral axis
m001: U DBX 68.6; //Checkback signal, axis is neutral
U M 110.6;
FP M 110.1;
R M 110.6;
S M 110.5; //Next step
S DBX 28.7; //Request PLC-monitored axis
U DBX 63.1; //Checkback signal, axis monitored by PLC
U M 110.5;
FP M 110.2;
R M 110.5;
S M 111.0; //Start brake test for FB
CALL FB 11, DB 211 (//Brake test block
Start :=M 111.0, //Start brake test
Ackn := I 3.7, //Acknowledge error with RESET key
Bclosed := I 54.0, //Return message close brakes
//controlled
Axis := 3, //Axis number of axis to be tested
//Z axis
TimerNo := T 110, //Timer number
TV_BTactiv := S5T#200MS, //Monitoring time value:
//Brake test active DBX71.0