Lenze DDS Function library Drive Bedienungsanleitung PDF herunterladen (Seite 9)

Function library LenzeDrive.lib

Preface and general information

1.2 Lenze software guidelines for variable names

1−5

LenzeDrive.lib EN 1.7

1.2.1.2 Designation of the signal type in the variable name

The inputs and outputs of the Lenze function blocks each have a specific signal type assigned. These

may be: digital, analog, position, or speed signals.

For this reason, each variable name has an ending attached that provides information on the type of

signal.

Signal type Ending Previous designation

analog _a (analog)

digital _b (binary)

Phase−angle difference or speed _v (velocity)

Phase−angle or position _p (position)

Tip!

Normalizing to signal type phase−angle difference/speed: 16384 (INT) ¢ 15000 rpm

Normalizing to signal type analog: 16384 ¢ 100 % ¢ value under [C0011] = n

max

Normalizing to signal type angle or position: 65536 ¢ 1 motor revolution

Examples:

Variable name Signal type Type of variable

nIn_a Analog input value Integer

dnPhiSet_p Phase signals Double integer

bLoad_b Binary value (TRUE/FALSE) Bool

nDigitalFrequencyIn_v Speed input value Integer

1.2.1.3 Special handling of system variables

System variables require special handling, since the system functions are only available for the user

as I/O connections in the control configuration.

In order to be able to access a system variable quickly during programming, the variable name must

include a label for the system function.

For this reason, the name of the corresponding system block is placed before the name of the

variable.

Examples:

AIN1_nIn_a

CAN1_bCtrlTripSet_b

DIGIN_bIn3_b

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Lenze DDS Function library Drive Bedienungsanleitung Seite 9