PD154 & PD158 Vigilante
®
II Annunciators
Instruction Manual
31
FULL SEQUENCE DESCRIPTIONS
The following section describes the operation of the various sequences
available in the Vigilante
®
II alarm annunciator.
Features
Acknowledge Pushbutton:
Momentary alarms will not clear until the
alarmed channels have been acknowledged with the
ACK
pushbutton.
This will also reset the first out indication. Used in all ISA sequences.
Automatic Reset:
Acknowledged momentary alarms will clear
automatically when the inputs return to normal. The automatic reset is
present in all automatic (A) sequences.
First-Out Indication:
The sequence provides a distinct visual indication
for the first channel to alarm.
First-Out Reset Pushbutton:
Resets the first-out display and assigns
the first-out channel to display as a subsequent alarm without any other
changes to the sequence. The next alarm input will be a new first-out
alarm. Used only in sequence F3A.
Reset Pushbutton:
Acknowledged momentary alarms will only clear
when reset with the
RESET
pushbutton. Used in any manual reset (M)
sequence.
Sequence Condition Descriptions
The following terms are used in describing the sequence behavior in the
following tables:
Alert:
The input is in alarm state, and the channel has not been
acknowledged with the
ACK
pushbutton.
Acknowledge:
The alarm state is acknowledged with the
ACK
pushbutton. This will restart the first-out indication.
First Out Reset (F3A Only):
The
RESET
pushbutton is used to reset
the first-out indication only.
Normal:
Inputs are in the normal state.
LED Condition Descriptions
1
st
Pt:
Indicates the behavior of the first-out channel only.
Next Pt:
The behavior of subsequent alarm channels; channels that
enter the alarm state after the first-out alarm.
