Measurement Channels and
Alarms
3-15
IM 04L42B01-01E
1
2
3
4
5
6
7
8
9
10
11
12
13
App
Index
3.8 Releasing the Alarm Output (Alarm ACK
Operation)
This operation is valid when the DX is set as follows:
DX with release number 3 or later
• When
Annunciator mode
is set to
On
in the basic setting mode.
• When
Annunciator mode
is set to
Off
, the operation is the same as described for DX
with release number 2 below.
DX with release number 2
• When
Indicator
is set to
Hold
in the basic setting mode.
• When
Relay Hold
is set to
Hold
and
Relay action on ACK
is set to
Normal
in the
basic setting mode.
• When
Relay action on ACK
is set to
Reset
in the basic setting mode.
DX before release number 2
• When
Indicator
is set to
Hold
in the basic setting mode.
• When
Relay Hold
is set to
Hold
in the basic setting mode.
For the procedure to set the relay action, see section 3.5.
On a DX with advanced security (/AS1 option; release numbers 4 and later), you can
perform separate alarm ACK operations on each alarm.
For information about individual alarm ACK operations, see section 4.4.
Procedure
This operation is carried out after an alarm occurs.
1.
In the operation mode, press
FUNC
.
The FUNC key menu appears.
2.
Press the
Alarm ACK
soft key.
The alarm output is released.
Explanation
• Alarm Acknowledge (ACK) Operation
When an alarm acknowledge operation is carried out, the indications and outputs
(relays and switches) of all activated alarms are cleared.
In annunciator mode (release number 3 or later), the alarm indications and outputs
follow the annunciator sequence.
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