274 43-TV-25-30 Iss.6 GLO Aug 07 UK
** See Figure 22.1, “Comms variables,” on page 304.
*Compact Flash is not available on the eZtrend QXe.
RT Calibration RTCALn Get RT Calibration value for channel n (1 to
48). Units mA
Totaliser Tn Get Totaliser value n = 1 to 96
UC1 to UC16 UC1 User counters 1 to 16
USB1 free storage space USB1FREE Returns the percentage of free storage space
available on the USB storage key fitted initially
(front or rear).
USB2 free storage space USB1FREE Returns the percentage of free storage space
available on the USB storage key fitted after
the first USB has been fitted (front or rear).
UV1 to UV32 UV1
This allows a system to be setup where
values can be altered to effect calcula-
tions without having to change the config-
uration
Table 14.2 : Maths Function Table
Maths Functions Syntax Description
Add + Returns the result of the addition
ACos* acos[x] Returns the Arc COS of x
ASin* asin[x] Returns the Arc SIN of x
ATan* atan[x] Returns the Arc TAN of x
Ceiling ceil[x] Round up x to the nearest whole number
Cos* cos[x] Returns the COSINE of x
CosH* cosh[x] Returns the Hyperbolic COSINE of x
Damp damp[x,y,z] x = input, y = Pen (pen variable being used)
and z = damping limit in engineering units.
See “Damping examples:” on
page 275.
Divide / Returns the result of the division
Eval eval[x] Returns 1 if x is non zero, otherwise returns
zero
Exponent exp[x] Returns the Exponential of x
Floating point Absolute fabs[x] Returns the Floating Point Absolute value of x
Floor floor[x] Round down x to the nearest whole number
Ln ln[x] Returns the Natural Log of x
Table 14.1 : Maths Variable Table
Maths Variables Syntax Description
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