Configure Math Block - ABB C1300 User Manual Supplement

2.2 Configure Math Block

Channels Configuration
Press the key to open the
Highlight .
Math Blocks
Select Function
Select the math block or constant to be configured:
Math Block 1 to 4 – Math block 1 to 4
Constant 1 to 8
Math Block (1 to 4)
Constant (1 to 8)
Math Block Function
Select the math block function required:
Off
– Math function not selected
Standard
– Standard math block
RH
– Relative humidity calculation
Mass Flow 1 – Calculates mass flow from volume flow
Mass Flow 2 – Calculates mass flow from differential pressure
High Value
– Holds maximum value measured on input variable
Low Value
– Holds minimum value measured on input variable
Average
– Averages a continually varying input over a set period of time
selected – see Section 2.2.1.
Standard
selected – see Section 2.2.2.
RH
or
Mass Flow 1 Mass Flow 2
or
High Value Low Value
Average selected – see Section 2.2.5.
.
Main Menu
– Constant 1 to 8, arithmetic value used as multiplier/divisor or
for addition/subtraction
selected – continued below.
selected – see Section 2.2.6.
selected – see Section 2.2.3.
selected – see Section 2.2.4.
2 MATH CONFIGURATION...
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