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To define alarm indication, alarm acknowledgement, alarm inhibit and
limit exceeded bits
- In
the
box on the Alarm In/Ack tab, do
one of the following:
- Click
once to insert an alarm indication bit. A +
is inserted to indicate an alarm indication bit.
- Click
again to insert an .
A * is inserted to indicate an
alarm acknowledgement bit.
- Click
again to insert an .
A | is inserted to indicate an alarm inhibit bit.
- Only
one asterisk is needed in order to acknowledge all alarms from the PLC.
If several asterisks are set, all other asterisks are ignored.
- In
the
box, do one of the following:
- Click
Once to insert an alarm acknowledgement bit. A *
is inserted to indicate an alarm acknowledgement bit.
- Click
again to insert an alarm inhibit bit. A | is inserted to indicate an alarm
inhibit bit.
- Click
again to insert a .
An O is inserted to indicate a limit exceeded bit (Analog object templates only).
- If
you want to use the
option for alarms, check the Alarms
box.
- For
digital objects it is possible to have up to 32 simultaneous alarms. In
this case, the digital object must be defined with an object template and its
alarm bit must be Single Bits.
- In
the
group, choose whether you want individual or consecutive alarm numbers.
- If
you choose consecutive alarm numbers, you need only type one number, the
system will then attach the following alarm numbers. Note, though, that
this requires that the alarm texts are structured accordingly.
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