Omega Engineering OMA-D560, Руководство пользователя

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Alarm Handling
The OMA-D560 system constantly monitors all inputs to determine if alarm set-points have been violated. If a set-
point has been violated for a specified amount of response time, an alarm condition exists.
This alarm condition will continue until the input has returned to normal and has been externally acknowledged.
When an alarm occurs and the response time has expired, the OMA-D560 system will begin its dial-out sequence.
The OMA-D560 system can deliver an alarm in voice or data mode.
The OMA-D560 system will dial each number in succession. If the alarm is not acknowledged, the OMA-D560
system will wait a specified alarm dial-out interval and then start another dial-out sequence with the same alarm
message.
Alarms can be acknowledged in either data or voice mode.
There are two classes of alarms -
Active acknowledged alarms: The input continues to violate an alarm set-point but an operator has acknowledged
the condition. The OMA-D560 system continues to recognize the alarm condition but will not attempt to make an
outgoing phone call.
Unacknowledged alarms: Any alarms which have not been acknowledged. An unacknowledged alarm initiates an
alarm dial-out sequence.
„ Responding to an Alarm Message
An alarm can be acknowledged by pressing the ALARM CANCEL switch on the front panel of the OMA-
D560 system. You can also acknowledge and alarm through the serial port or modem by issuing the ALM R
command.
The front panel indicator will remain on continuously when the alarms are acknowledged.
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When an alarm is delivered in voice mode, the OMA-D560 system will repeat the alarm
message up to six times:
“Hello, this is telephone number one two three four five six seven. Alert condition exists.”
Recipients of such calls should press and hold any keypad button for one to two seconds. The OMA-D560
system will respond with the following message:
“OK. Enter security code.”
When a correct security code has been entered, the OMA-D560 System will acknowledge it, saying, “OK” You
can now enter INP R to learn the cause of the input alarm condition and enter ALM# to acknowledge receipt of
the alarm message.
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To acknowledge an alarm and prevent the OMA-D560 system from dialing out again until
new alarm conditions exist, type ALM#.