L-force | plc designer – Lenze PLC Designer PLC Designer (R2-x) User Manual

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L-force | PLC Designer

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DMS 3.2 EN 02/2011 TD29

Examples:

bySubIndex: BYTE;

sFileName: STRING;

udiCounter: UDINT;

In nested declarations the prefixes are attached to each other in the order of the
declarations:

Example:

pabyTelegramData: POINTER TO ARRAY [0..7] OF BYTE;

Function block instances and variables of user-defined data types as a prefix get a
shortcut for the FB- resp. data type name (Examle: sdo).

Example:

cansdoReceivedTelegram: CAN_SDOTelegram;

TYPE CAN_SDOTelegram : (* prefix: sdo *)

STRUCT

wIndex:WORD;

bySubIndex:BYTE;

byLen:BYTE;

aby: ARRAY [0..3] OF BYTE;

END_STRUCT

END_TYPE

Locale constants (c) start with prefix c and an attached underscore, followed by the
type prefix and the variable name.

Example:

VAR CONSTANT

c_uiSyncID: UINT := 16#80;

END_VAR