please find and tell me what kind of code it is?

IF NOT data.big_or_small THEN
FOR jj:=1 TO 4 DO
FOR ii :=1 TO 6 DO
master6_MC_CAMSWITCH_TR[ii+(jj-1)*12].TrackNumber:=ii;
master6_MC_CAMSWITCH_TR[ii+(jj-1)*12].FirstOnPosition:=INT_TO_REAL(240*(jj-1))+INT_TO_REAL(40*(ii-1));
master6_MC_CAMSWITCH_TR[ii+(jj-1)*12].LastOnPosition:=INT_TO_REAL(240*(jj-1))+INT_TO_REAL(40*(ii-1))+data.quyang_pos;
END_FOR
END_FOR
ELSE
FOR jj:=1 TO 2 DO
FOR ii :=1 TO 6 DO
master6_MC_CAMSWITCH_TR[ii+(jj-1)*12].TrackNumber:=ii;
master6_MC_CAMSWITCH_TR[ii+(jj-1)*12].FirstOnPosition:=INT_TO_REAL(480*(jj-1))+INT_TO_REAL(80*(ii-1));
master6_MC_CAMSWITCH_TR[ii+(jj-1)*12].LastOnPosition:=INT_TO_REAL(480*(jj-1))+INT_TO_REAL(80*(ii-1))+data.quyang_pos;
END_FOR
END_FOR
END_IF
updown_MC_MoveVelocity(
Execute:= M_R_TRIG2.Q ,
Velocity:= Data.g_r_updownvelocity_M,
Acceleration:= 1000,
Deceleration:= 1000,
Direction:= ,
Axis:= updown,
InVelocity=> ,
CommandAborted=> ,
Error=> ,
ErrorID=> );