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Call (LAD representation)

The LAD representation of the individual function blocks can be found in the respective function

block descriptions.

Example of an application

The application example is contained on the "SIMOTION Utilities & Applications" CD-ROM

and is available for various SIMOTION hardware platforms.

The "SIMOTION Utilities & Applications" CD-ROM is provided free of charge and part of the

SIMOTION SCOUT scope of delivery.

2.5 Creating I/O Variables

Overview

Communication between the SIMOTION hardware platform and the SIMODRIVE POSMO A

takes place through direct access to the I/O. I/O variables are used to address the direct read/

write access to the I/O.

You can freely assign the names of I/O variables in SIMOTION SCOUT. You must define the

I/O variables as ARRAY [0..7] and [0..3] of BYTE. You assign the address settings in the

hardware configuration to these I/O variables.

The names of the I/O inputs must be transferred to the function blocks as call parameters. The

prepared data for the I/O outputs are provided by the function block as in/out parameters. The

in/out parameters must be be supplied with variables of type ARRAY [0..7] of BYTE and [0..3]

of BYTE. Once the block has been called, these variables must be assigned to the I/O variables

for the I/O outputs; see call example in Section Calling function blocks (Page 38).

Note

The variable for supplying the in/out parameters must not be created as a temporary variable

(VAR_TEMP or local variable of a function).

The following example shows how to assign the module addresses to the I/O variables in

SIMOTION SCOUT.

Description

2.5 Creating I/O Variables

Supplement to SIMODRIVE POSMO A Positioning Motor

14 Function Manual, 01/2015

Siemens SIMODRIVE POSMO A Function Manual

Other manuals for Siemens SIMODRIVE POSMO A