Lenze PLC Designer PLC Designer (R3-1) - Manual (Page 1082)

L-force | PLC Designer
Programming Reference
1080 DMS 4.1 EN 03/2011 TD29

Example with a function block:
FUNCTION_BLOCK FBDynamic
VAR_INPUT
in1, in2 : INT;
END_VAR
VAR_OUTPUT
out : INT;
END_VAR
VAR
test1 : INT := 1234;
_inc : INT := 0;
_dut : POINTER TO DUT;
neu : BOOL;
END_VAR
out := in1 + in2;
METHOD FB_Exit : BOOL
VAR_INPUT
bInCopyCode : BOOL;
END_VAR
__Delete(_dut);
METHOD FB_Init : BOOL
VAR_INPUT
bInitRetains : BOOL;
bInCopyCode : BOOL;
END_VAR
_dut := __NEW(DUT);
METHOD INC : INT
VAR_INPUT
END_VAR
_inc := _inc + 1;
INC := _inc;