Campbell Scientific CR7 Measurement and Control System User Manual
Page 104
SECTION 10. PROCESSING INSTRUCTIONS
10-2
*** 36 X * Y ***
FUNCTION
Multiply the value in location X by the value in
location Y and place the result in location Z.
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
4
Input location of Y
[Y]
03:
4
Dest. input location for X * Y
[Z]
Input locations altered: 1
*** 37 X * F ***
FUNCTION
Multiply the value in location X by the fixed
number F and place the result in location Z.
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
FP
Fixed multiplier
[F]
03:
4
Dest. input location for X * F
[Z]
Input locations altered: 1
*** 38 X / Y ***
FUNCTION
Divide the value in location X by the value in
location Y and place the result in location Z.
Division by 0 will cause the result to be set to
the maximum CR7 number (+99999 if positive, -
99999 negative).
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
4
Input location of Y
[Y]
03:
4
Dest. input location for X / Y
[Z]
Input locations altered: 1
*** 39 SQUARE ROOT ***
FUNCTION
Take the square root of the value in location X
and place the result in location Z. If the value in
X is negative, 0 will be stored as the result.
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
4
Dest. input location for X
1/2
[Z]
Input locations altered: 1
*** 40 LN(X) ***
FUNCTION
Take the natural logarithm of the value in
location X and place the result in location Z. If
the value in X is 0 or negative, -99999 will be
stored as the result.
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
4
Dest. input location for LN(X) [Z]
Input locations altered: 1
*** 41 EXP(X) ***
FUNCTION
Raise the exponential base e to the value in
location X power and place the result in location
Z.
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
4
Dest. input location for EXP(X) [Z]
Input locations altered: 1
*** 42 1/X ***
FUNCTION
Take the inverse of the value in location X and
place the result in location Z. If X=0, 99999 will
be stored as the result.
PAR. DATA
NO.
TYPE
DESCRIPTION
01:
4
Input location of X
[X]
02:
4
Dest. input location for 1/X
[Z]
Input locations altered: 1