Settings for "Load FF segment"
You can make settings in the object properties of the FF link in HW Config that are taken into
consideration during an AS download.
Perform the following steps:
1. Open the hardware configuration in SIMATIC Manager.
2. Open the object properties of the FF Link.
3. Select the "Load FF Segment" tab.
4. Make the settings in accordance with the following table:
Check box Application Effect
Only load FF Link
and FF devices
when modified
Exclude FF segment during
AS loading
Example: You configure no
changes for the FF segment.
If only changes are downloaded, the FF
segment continues running during loading.
Always load FF Link
and FF devices
Complete download of an FF
segment
The FF segment is stopped when it is
downloaded completely.
Recommendation
After a complete download of an FF segment,
select the option "Only load FF Link and FF
devices when modified".
Exclude FF Link and
FF devices from
loading
Function for commissioning
only
This function supports you during
commissioning of other FF links on the same
PROFIBUS.
NOTICE!
STOP of the FF segment possible
Undefined states may occur in the FF segment
when you use this setting.
7.4 Communication
7.4.1 Saving/reading the device data
The "Download to device (Page 163)" and "Upload to PG/PC (Page 165)" functions are used
to update the data storage system.
● The "Upload to PG/PC" function is used to load all device tags of a device object from the
device to the offline data storage.
● The "Download to device" function is used to load all configurable device tags of a device
object from the offline data storage to the device.
Functions
7.4 Communication
Help for SIMATIC PDM (V8.2)
114 Operating Manual, 02/2014, A5E33203676-AA
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