T315-08 Function Block Diagram - RevC-d1-CHT

Course T315
Chapter 8 Function Block Diagram
Extended Automation System 800xA
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Function Block Diagram
Function Block Diagram ?
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FB
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FBD Pane Structure Pane

Function Block Diagram
Function Block Diagram
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g
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Function Block Diagram
Functions in FBD
Assigns the value (number, logical or string) of the input parameter to the output parameter.
Move, :=
Function
Description
NOT AND, & XOR, =2k+1 OR, >=1
Function
Negates the Boolean value (1/0, on/off or True/False). Boolean Boolean XOR. Boolean OR.
Description
EXPT, ** MUL, * DIV, / ADD, + SUB, MOD ABS
Function
Exponential, i.e. raising to the power. Multiplication. Division. Addition. Subtraction. Modulus. Absolute value.
Description
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LT, < GT, > LE, <= GE, >= EQ, = NE, <>
Function
Less than. Greater than. Less than or equal to. Greater than or equal to. Equal to. Not equal to.
Description

Function Block Diagram
FBD
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? — –˙ d B function V function block ?FB p Instance names ?function blocks and functions p / ? ? / d B G w′
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? p ud functions and function blocks y ? @ B ¨ function blocks and functions
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??@ @function blocks instance V a 5 / function blocks V functions

Function Block Diagram
(Toolbar Buttons)
Key Insert > Function/Function Block Tools > Edit Parameters >Connect Ins ? 9 ,X block
￡E? function ? function
& function block or functionE y A^ L.
Tools > Edit Parameters >Disconnect
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Ctrl + D
& function block or function K_ . ?E yA^ L
Tools > Edit Parameters > Invert
&E 9
k
“ ?

Function Block Diagram
function block ? function
FB ¤ Function type | p
FB ¤ Function
FB ¤ Function p ? GfV – “
FB ¤ Function p ? EN FB p instance |
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FB ¤ Function

Function Block Diagram
Parameter
Backward
Forward
Structure Data type p scomponent w s (bool only)
( 4 4Apply/Next v · i ? ?)
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. . ￥ + a program variable

Function Block Diagram
Parameter
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Function Block Diagram
FB ¤ Function
:
v
G source $ .
ctrl v f v
v
G target $ Connect to
: – ? 2 v G source $ . f previous Selection ?
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G target $ G

Function Block Diagram
FB ¤ Function
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Function Block Diagram

Function Block Diagram
Structure
function block ¤ function p /
?
function block instance name p
function block ¤ function p type name
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? ?G ?
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? p ud functions and function blocks y ? @ B ¨ function blocks and functions
h g( g d ? g) g
? ? % ?
??@ @function blocks instance V a 5 /
FB ¤ Function p

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Function Block Diagram

Function Block Diagram
Structure pane G , FB ¤ Function v
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Function Block Diagram

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