Detailed description
2.12 Block descriptions
Basic logic functions: PLC basic program solution line (P3 sl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
227
Signal Type Type Value range Remark
Enable I BOOL 1 = FC 21 active
Funct I BYTE 1, 2 1: Synchronized actions to channel
2: Synchronized actions from
channel
S7Var I ANY S7 data storage area Not used
IVAR1 I INT 1..MaxChannel Channel number
Error A BOOL
ErrCode A INT 1 : "Funct" invalid
10: Channel no. invalid
Call example
FUNCTION FC 100 : VOID
VAR_TEMP
myAny: ANY ;
END_VAR
BEGIN
NETWORK
...
// Deactivate synchronized actions with ID3, ID10 and ID31 in NC channel 1 :
SYAK: TO DB21;
SET;
S DBX300.2; //ID3
S DBX301.1; //ID10
S DBX303.6; //ID31
L B#16#1;
T MB11;
SPA TRAN;
// Synchronized actions from NCK channel:
SYVK:
L B#16#2;
T MB11;
TRAN: CALL FC 21 (
Enable := M 10.0, // if True, FC 21 is active
Funct := MB 11,
S7Var := #myAny, //Not used
IVAR1 := 1, //Channel no.
IVAR2 := 0,
Error := M 10.1,
ErrCode := MW 12);
...
END_FUNCTION