ABB SM2000 User Manual Supplement page 7

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...2.8 Creating Math Blocks

Math1

Math2

Math3

Equation

«Rst src/Dgtl src 1

Reset Src/Digital Src1

Reset source

Digital source 1

Digital sources

Math4

Math5

Math6

--->

a1+52.4*log(a2)-md2

Digital i/p D6, None

None

Digital i/p D1, None

Select the Math Block to configure – M1 to M12

Set the equation using the math pad – see Fig. 2.4

Note. Digital sources must first be assigned to a valid digital

signal – see below.

Reset Source / Digital Source 1

Set the digital source (e.g. alarm signal, real-time event)

used to reset the equation.

Select the digital signal (e.g. alarm signal, real-time event)

used as Digital Source 1 (md1) within the math block.

Note. When used in a Math Block, an active digital signal has

a numerical value of 1 and an inactive digital signal has a

value of 0.

Select the digital sources (e.g. alarm signal, real-time event)

used as Digital Source 2 and 3 (md2 and md3) within the

equation.

2 MATH CONFIGURATION...

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