Yokogawa DR240 Bedienungsanleitung Seite 221

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12-1
IM DR232-01E
Executing Computation
(Available with the /M1 Model)
12
12.1 Overview of the Computation Function
Type Operator Example Description
Addition + 001+002 Obtain the sum of the measured data of channel 001 and channel 002.
Subtraction - 002-001 Obtain the difference of the measured data of channel 002 and channel 001.
Multiplication * 003*K1 Multiply constant K1 to the measured data of channel 003.
Division / 004/K2 Divide the measured data of channel 004 by constant K2.
Power ** 005**006 Take the power of measured data of channel 005 with the measured data of
channel 006.
Absolute value ABS() ABS(001) Obtain the absolute value of the measured data of channel 001.
Square root SQR() SQR(002) Obtain the square root of the measured data of channel 002.
Common logarithmLOG() LOG(003) Obtain the common logarithm of the measured data of channel 003.
Natural Logarithm LN() LN(004) Obtain the natural logarithm of the measured data of channel 004.
Exponent EXP() EXP(005) Make the measured data of channel 005 to be x and obtain e
x
.
* +/- can be used as signs as in -(001).
Logical operators
Type Operator Example Description
Logical product AND 001AND002 when channel 001=0 and channel 002=0, 0.
when channel 001=nonzero and channel 002=0, 0.
when channel 001=0 and channel 002=nonzero, 0.
when both channel 001 and channel 002 are nonzero, 1.
Logical sum OR 001OR002 when channel 001=0 and channel 002=0, 0.
when channel 001=nonzero and channel 002=0, 1.
when channel 001=0 and channel 002=nonzero, 1.
when both channel 001 and channel 002 are nonzero, 1.
Exclusive OR XOR 001XOR002 when channel 001=0 and channel 002=0, 0.
when channel 001=nonzero and channel 002=0, 1.
when channel 001=0 and channel 002=nonzero, 1.
when both channel 001 and channel 002 are nonzero, 0.
Logical negation NOT NOT001 when channel 001=0, 1.
when channel 001=nonzero, 0.
Relational operators
Type Operator Example Description
Equal .EQ. 001.EQ.002 when channel 001 = channel 002, 1.
when channel 001 channel 002, 0.
Not equal .NE. 002.NE.001 when channel 001 channel 002, 1.
when channel 001 = channel 002, 0.
Greater than .GT. 003.GT.K1 when channel 003 > constant K1, 1.
when channel 003 constant K1, 0.
Less than .LT. 004.LT.K10 when channel 004 < constant K10, 1.
when channel 004 constant K10, 0.
Greater than or .GE. 003.GE.K1 when channel 003 constant constant K1, 1.
equal to when channel 003 < constant K1, 0.
Less than or .LE. 004.LE.K10 when channel 004 constant K10, 1.
equal to when channel 004 > constant K10, 0.
Specified channel statistical operators
Type Operator Example Description
Maximum value TLOG.MAX() TLOG.MAX(001) Obtain the maximum value of the measured data of channel
001.
Minimum value TLOG.MIN() TLOG.MIN(002) Obtain the minimum value of the measured data of channel
002.
Max-min value TLOG.P-P() TLOG.P-P(003) Obtain the P-P value of the measured data of channel 003.
Total value TLOG.SUM() TLOG.SUM(004) Obtain the total value of the measured data of channel 004.
Average value TLOG.AVE() TLOG.AVE(005) Obtain the average value of the measured data of channel 005.
* Statistical computation of the measured data from the start of the statistical computation until it is
stopped. When combining with each of the operators, MAX(), MIN(), P-P(), SUM(), and AVE(), the
value that can be specified inside the () is limited to the input channel number or the computation channel
number (refer to next page) (Example: TLOG.MAX(A01)).
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