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9-8

IM 04P02B01-01E

TLOG Computation

Only measured values and computed values can be used in TLOG computation. In the

explanation below, e1 is used to represent a measurement or computation channel. You

cannot specify an equation that contains a computing element inside e1. In addition,

only one TLOG computation can be specified in a single computing equation.

TLOG.MAX( )

Maximum value

(Syntax) TLOG.MAX(e1)

(Condition) Determines the maximum value of channel e1.

TLOG.MIN( )

Minimum value

(Syntax) TLOG.MIN(e1)

(Condition) Determines the minimum value of channel e1.

TLOG.AVE( )

Average value

(Syntax) TLOG.AVE(e1)

(Condition) Determines the average value of channel e1.

TLOG.SUM( )

Sum value

(Syntax) TLOG.SUM(e1)

(Condition) Determines the sum of channel e1.

TLOG.P-P( )

Maximum − minimum value

(Syntax) TLOG.P-P(e1)

(Condition) Determines the maximum − minimum value of channel e1.

Equation Example

TLOG.MAX(01) + K01*SQR(02)

Examples of Equations That Are Not Allowed

TLOG.AVE(01) + TLOG.AVE(02)

Reason: TLOG appears twice in one equation.

TLOG.AVE(ABS(01))

Reason: A computing element is used inside the parentheses.

9.2 Setting the Computing Equation

YOKOGAWA 436101 User Manual

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