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5.3. The alarm SMS messages
These messages are being sent to the predefined phone numbers independently of the user
Settings of the communication with the modem and the modem parameters
). The information that the alarm is active and information about correct operation of the data
logger can be periodically taken from the data logger by the modem. Concretely, following states
are monitored (depending on the connected data logger):
the measured value exceeds the alarm limit (the alarm is active)
the binary input state is equal to the chosen state (the alarm is active)
data logger type detection failed
communication error
the data logger state (switched on / off)
the data logger real time clock error
the data logger memory is 90% full
the data logger memory is full
the expected data logger battery life expired
the data logger battery voltage is too low
If GPRS connection isn‘t activated, you will have to set up the alarm SMS messages
parameters by using the setting cable. Following parameters must be set with the program for data
loggers:
data logger reading interval
sending / no sending of the warning SMS messages
phone numbers for the warning SMS messages recipients
5.3.1. Active alarms of the data logger
Exceeding of the alarm limit for measured values and reaching of the chosen state for binary
inputs are evaluated by the data logger. To work it correctly, following parameters must be set for
the data logger:
the data logger must be switched on
the alarm conditions must be set with desired means for all monitored channels
the alarm evaluating must be enabled for all monitored channels
The incoming SMS message contains the same informations as in the case of the query
about the current values and their alarm settings.
The measured value exceeds the alarm limit
The incoming alarm SMS message
Example 1:
#12345678: #1: 24.7C 19.0..26.0 #2:
45.5%RH 0.0..50.0 #6: !12.1C 0.0..10.0
Example 2:
Logger Store_13: T: 24.7C 19.0..26.0 RH:
45.5%RH 0.0..50.0 DP: !12.1C 0.0..10.0
The current values and their alarm
settings from the data logger.
