5 Function blocks
5.2 AR, Arithmetic
140
Control Relay easy800
11/11 MN04902001Z-EN
www.eaton.com
5.2 AR, Arithmetic
The Arithmetic function block performs all four basic calculations:
•
add
•
subtract
•
multiply
•
Divide.
easy800 allows the use of up to 32 arithmetic function blocks.
An arithmetic function block does not require an enable or start signal and is
therefore not wired in a coil field of the standard circuit diagram. The function
block is provided with the two Boolean outputs mentioned above for
controlling the calculation result that you wire as contacts in the circuit
diagram.
Contacts and Coils
A closed contact indicates:
Example of an arithmetic function block
Figure 104:Wiring the function block contacts
Parametric programming of the function block inputs/outputs
When using the function block in the circuit diagram for the first time, use
OK to automatically enter the general display of function block parameters,
as shown in the figure on the left. Enter the function block settings here.
The display contains the following elements:
Contacts
Meaning
AR..CY
Outside of the permissible value range
AR..ZE
Result at output
QV>
is zero
I 01----AR01CY-----------------
Ä
Q 01
I 02----AR02ZE-----------------S Q 02
AR04 ADD +
>I1
>I2
QV>
AR04
Function block: Arithmetic, number 04
ADD
Mode: Add
+
Parameter set can be called via the PARAMETERS menu
>I1
First value is associated with the value at I2 via the arithmetic operation, value range:
-2147483648 - 2147483647
>I2
Second value, -2147483648 - 2147483647
QV>
Outputs the calculation result, value range: -2147483648 - 2147483647
Содержание easy800
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