Lenze DDS Function library 9300 Servo Manuel d'utilisateur télécharger pdf (Page 8)

Function block library Lenze9300Servo.lib

Preface and general information

1−4

Lenze9300Servo.lib EN 1.1

Examples of the data−type entry

Examples of a data−type Meaning

b Bool

by Byte

n Integer

w Word

dn Double integer

dw Double word

s String

f Real (float)

sn Short integer

t Time

un Unsigned integer

udn Unsigned double integer

usn Unsigned short integer

Identifier (the proper variable name)

· An identifier begins with a capital letter.

· If an identifier is assembled from several "words", then each "word" must start with a capital

letter.

· All other letters are written in lower case.

Examples:

Array of integers anJogValue[10] ;

Bool bIsEmpty ;

Word wNumberOfValues ;

Integer nLoop ;

Byte byCurrentSelectedJogValue ;

1.2.1.1 Recommendation for designating variable types

In order to be able to recognize the type of variable in a program according to the name, it makes

sense to use the following designations, which are placed in front of the proper variable name and

separated from it by an underline stroke:

I_<Variablename> VAR_INPUT

Q_<Variablename> VAR_OUTPUT

IQ_<Variablename> VAR_IN_OUT

R_<Variablename> VAR RETAIN

C_<Variablename> VAR CONSTANT

CR_<Variablename> VAR CONSTANT RETAIN

g_<Variablename> VAR_GLOBAL

gR_<Variablename> VAR_GLOBAL RETAIN

gC_<Variablename> VAR_GLOBAL CONSTANT

gCR_<Variablename> VAR_GLOBAL CONSTANT RETAIN

Example

for a global array of type integer that includes fixed setpoints (analog) for a speed setting:

g_anFixSetSpeedValue_a

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 28 29

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Lenze DDS Function library 9300 Servo Manuel d'utilisateur Page 8

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