Parameterizing; Parameter Data Block - Siemens SIMATIC FC 45 Function Manual

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Parameterizing

3.1

Parameter data block

3.1
Each MOBY channel (write/read device) requires its own parameters. These are predefined
in a data structure as UDT 10 (with commentary in English), UDT 11 (with commentary in
German) or UDT 14 (with commentary in Spanish). That UDT must be called in a data block
for each MOBY channel. Various variables are defined in UDT 10:
• INPUT parameters: These variables
• Control bits: The user starts his commands with these Boolean variables.
• Displays: The displays indicate the command progress to the user. Error analyses can be
• FC-internal variables: These variables are not relevant for the user. They must not be
FC 45
Function manual, Release 03/2006 , J31069-D0167-U001-A2-7618
configuration (exception: command_DB_number/command_DB_address). Throughout the
run time it is not necessary to change or scan these parameters.
Please note that you need to execute an init_run after changing an INPUT parameter
before the new setting is activated (see Section "Programming a cold and warm restart").
performed easily.
changed by the application. Malfunctions and data corruption would otherwise ensue.
Notice
You will need FC 45 with a version ≥ 2.2 for the variables and UDTs described in this
chapter.
must
be entered by the user once during
3
3-1

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