Rockwell Automation 57C610 Enhanced Basic Language, AutoMax - Manual (Page 89)

7Ć1
7.0 FUNCTIONS
AutoMax Enhanced BASIC incorporates numerous intrinsic
functions, i.e., functions that can be used within expressions. Some
are standard and some have been added to complement the
AutoMax environment. The following is a list of the current functions
available for use in an AutoMax system:
Function Name
Description
SIN Sine
COSCosine
TAN Tangent
ATN (ATAN) Arctangent
LN Natural logarithm (log base e)
EXP Exponential (e**x)
SQRT Square root
ABSAbsolute value
CHR$ Get character from ASCII value
ASC% ASCII value of string character
LEN% Lenth of string
STR$ String from numeric expression (integer)
BINARY$ Binary form of input string (integer)
HEX$ Hexadecimal value of input string (integer)
LEFT$ Substring from left side of string
RIGHT$ Substring from right side of string
MID$ Substring from center of string
VAL% Integer value of integer string expression
VAL Real value of real string expression
FIX Whole part only of real
CURPOS$ Position cursor (VT100)
CLRSCR$ Clear the screen (VT100)
CLRLINE$ Clear line (VT100)
IOREAD% Read from foreign I/O board
BIT_SET@ Test if bit is set
BIT CLR@ Test if bit is clear
BIT_MODIFY@ Modify bit value
SHIFTL% Shift a numeric field left
SHIFTR% Shift a numeric field right
ROTATEL% Rotate a numeric field left
ROTATER% Rotate a numeric field right
BCD_OUT% Output the BCD number from a
ădecimal number
BCD_IN Input the decimal number from a
ăBCD number
BLOCK_MOVE@ Move a block of integers from/to
ăregisters
GATEWAY_CMD_OK@ Gateway transfer function
VARPTR% Return pointer to variable
TEST_ERRLOG@ Test state of error log for task
READVAR% Reads variable, returns value
WRITEVAR% Writes value to variable
FINDVAR! Returns pointer to variable
CONVERT% Converts data formats