Siemens SINUMERIK 828D

P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
985
S M 100.2; //Set auxiliary flag 1
R M 100.3; //Reset auxiliary flag 2
// Save override
L DB21.DBB 4; //Feed override interface
T EB 28; //Buffer storage (freely input
// or flag byte)
wei1:
U M 100.2; //Switchover takes place
O DB10.DBX 104.0; //MCP1Ready
JCN smth2;
U DB10.DBX 104.0; //MCP1Ready
FP M 100.1; //Edge trigger flag 2
JC smth2;
U M 100.2; //Switchover takes place
R M 100.2; //Reset auxiliary flag 1
JC smth2;
U M 100.3; //Comparison has taken place
SPB MCP; //Call MCP program
// Route the stored override to the interface of the switched MCP
// until the override values match
L EB 28; //Buffer storage open
T DB21.DBB 4; //Route override interface
L EB 3; //Override input byte for feed
<>i; //Match?
JC smth2; //No, jump
S M 100.3; //Yes, set auxiliary flag 2
// When override values match, call the MCP program again
MCP: CALL "MCP_IFM"( //FC 19
BAGNo := B#16#1,
ChanNo := B#16#1,
SpindleIFNo := B#16#0,
FeedHold := M 101.0,
SpindleHold := M 101.1);
wei2: NOP 0;