Service data
Operating Manual Communication interfaces
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The following example illustrates the procedure for selecting certain service data.
In the example, the device data for the base unit is selected with the fieldbus module
PROFINET.
Which data area?
Which device?
Which addressing type?
Profinet records
Base unit
Device data
Selection:
Example:
Data area:
Device:
Device data addressing on base unit
Addressing type
INFORMATION
The service data is only updated piecemeal in each cycle by the
PNOZmulti.
Updating all of the data can take up to 500 ms.
An exception is data requested in table form. This is updated fully in each
cycle.
8.1
Process data: Base unit and expansion modules
The process data of the base unit and expansion modules consists of 36 Bytes and con
tains the following information:
}
State of the inputs and outputs
}
The status of the system LED for
–
supply voltage,
–
Diagnostics
}
State of the inputs and outputs, which is displayed on the device.
