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5-84 Field Control™ Genius® Bus Interface Unit User’s Manual
–
October 1999 GFK-0825F
5
Configure Data Defaults
Data default screens are displayed next. For the module's diagnostic input bits (data type I), you
can determine what the BIU should do with the data if the BIU loses communications with the
module. Data can either be held at its present values or defaulted to zero.
S:1 Module-> %I
DEFAULT:ZERO
< > tgl entr
You can accept DEFAULT: ZERO with the F4 (enter) key, or press F3 (toggle) then F4 (enter) to
change the default and save it.
S:1 Module-> %I
DEFAULT:HOLD
< > tgl entr
For the module's fault clearing discrete output bits (AQ and Q) you can determine what data the
BIU will send to the module if the BIU loses communications with the network. Selectable values
are ZERO and HOLD.
S:1 Network->%AQ
DEFAULT:ZERO
< > tgl entr
S:1 Network- %Q
DEFAULT:ZERO
< > tgl entr
In an I/O station that includes local I/O control, some or all of the module's outputs may be
assigned to addresses that are not within the BIU's I/O map. The defaults configured here do NOT
apply to module outputs that are outside the BIU's I/O map
.