Lenze EtherCAT Controller-based Automation Manuel d'utilisateur télécharger pdf (Page 95)

Lenze · Controller-based Automation · EtherCAT® Communication Manual · DMS 6.4 EN · 04/2014 · TD17 95

7 Commissioning of the system

7.3 Detailed description of the commissioning steps

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7.3.14 Processing EtherCAT I/O mapping

On the EtherCAT I/O image tab, you can enter variable names by double-clicking the variable fields

or pressing the space key:

By clicking the button, you can reference already existing variables (e.g. global variables from

function libraries) or you can enter variable names directly in the input field and thus create system

variables. The corresponding system variables for the PLC program are available.

 Note!

• If you insert more field devices in the control configuration or change the PDO

mapping, the object addresses change as well (%Qxx, %Ixx). Hence, the input and

output objects must be accessed via individual, unambiguous variables. The variable

names must comply with the IEC 61131 syntax (no space and leading digits in the

variable name).

• The manual assignment of object addresses in the "Address" column is not supported.

Hence, only use the automatically assigned addresses of the process image. A manual

assignment causes malfunctions.

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Lenze EtherCAT Controller-based Automation Manuel d'utilisateur Page 95