Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 16)

L-force | PLC Designer
14 DMS 3.2 EN 02/2011 TD29
9.8 Calling Operators... ____________________________________________ 485
9.8.1 CAL _________________________________________________ 485
9.9 Type Conversions... ____________________________________________ 485
9.9.1 Type Conversion Functions _______________________________ 485
9.9.2 BOOL_TO Conversions___________________________________ 486
9.9.3 TO_BOOL Conversions___________________________________ 488
9.9.4 Conversion between Integral Number Types__________________ 489
9.9.5 REAL_TO-/ LREAL_TO Conversions__________________________ 490
9.9.6 TIME_TO/TIME_OF_DAY Conversions _______________________ 491
9.9.7 DATE_TO/DT_TO Conversions_____________________________ 492
9.9.8 STRING_TO Conversions _________________________________ 494
9.9.9 TRUNC_______________________________________________ 495
9.10 Numeric Operators... ___________________________________________ 496
9.10.1 ABS _________________________________________________ 496
9.10.2 SQRT ________________________________________________ 497
9.10.3 LN __________________________________________________ 497
9.10.4 LOG _________________________________________________ 498
9.10.5 EXP _________________________________________________ 498
9.10.6 SIN _________________________________________________ 499
9.10.7 COS _________________________________________________ 499
9.10.8 TAN _________________________________________________ 500
9.10.9 ASIN ________________________________________________ 500
9.10.10 ACOS________________________________________________ 501
9.10.11 ATAN________________________________________________ 501
9.10.12 EXPT ________________________________________________ 502
9.11 Initialization Operator__________________________________________ 503
9.11.1 INI Operator __________________________________________ 503
10 Operands in PLC Designer_____________________________________________ 504
10.1 Constants ___________________________________________________ 504
10.1.1 BOOL Constants _______________________________________ 504
10.1.2 TIME Constants ________________________________________ 504
10.1.3 DATE Constants________________________________________ 505