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Universal Function Blocks
60
10/00 AWB27-1301-GB
Outputs
Table 12 lists in alphabetical order all the function block
outputs that can occur in the individual versions. In certain
versions, some outputs may not be available on account of
the limited functionality of the function block.
Table 12: Outputs
Outputs
Data type
Description
acd
BOOL
Request to access high-priority data at a secondary station. If
“
acd”
= 1, this data is indicated in the “acd_subaddress”,
“acd_offset”, “acd_length” data ranges.
acd_length
USINT
ACD length
acd_offset
USINT
ACD offset
acd_
stationaddress
USINT
ACD station address
acd_subaddress
USINT
ACD subaddress
acknowledge
BOOL
Confirms that processing of the ACD data has ended.
active
BOOL
Indicates that a service is being processed. This signal changes to
“0” as soon as the job has ended.
active_cyclic
BOOL
Indicates that a cyclical polling process is in progress (one-off
polling of all programmed stations).
0
r
1: Polling cycle started, 1
r
0: Polling cycle ended.
actual_
stationaddress
USINT
Station address of the secondary station currently being polled
dcd
BOOL
Signal quality evaluation
fail
BOOL
Error indication, with a secondary station. Updated at each
falling edge of the “active” output.
fail_code
USINT
In the event of local errors, if “result” = 0, the error code is
indicated under “fail_code”. The output is updated at each
falling edge of the “active” output.
fail_
stationaddress
USINT
Address of the secondary station at which an error has occurred.
Updated at each falling edge of the “active” output.
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