4.4 Acknowledging alarms and
reminders
The alarms issued by the treatment
plant together with their causes
are listed in section 6.1. The alarms
ALARM ACKNOWLEDGEMENT
1 No process in 7d
10.1. 11.40
1 = latest alarm
Move to alarm acknowledgement by pressing Enter
Alarms:
Transfer fault
Emptying fault
Add chemical
Compr. service
Remove sludge!
No process in 7d
Overfl ow
Compr. pressure (optional)
Reset
Yes
Acknowledge by pressing Enter
The soft ware will automatically return to normal display.
are acknowledged by pressing
the Enter key twice or by pressing
key 1 and Enter. If there is more
than one alarm, the three latest
unacknowledged alarms alternate
on the display.
4.5 GSM remote management
When ordering, the control unit
may be equipped with a GSM
modem, allowing for the treatment
plant to be remotely controlled
and monitored by mobile phone.
Th e property owner will purchase
a SIM card for the GSM modem
and register a GSM number to the
treatment plant during startup,
see SIM card installation under 3.
Startup.
The treatment plant will send
alarms and reminders to the mobile
phone by SMS. The messages are
resent once a week until the fault
has been corrected and the alarm
acknowledged.
The status of the treatment plant
may also be supervised by status
queries which the plant will reply
to using SMS messages. Messages
correspond to readings in the con-
trol unit display.
SENT MESSAGES
RESPONSES E.G.
?
Plant status query
Plant replies with SMS
WehoPuts run for 12 d.
Active.
Continuous aeration
Compressor run time 1445 h
Add chemical
Treatment plant run time days
Plant operational
Process stage
Compressor running hours
Last unacknowledged alarm
Time#09.15#
Time setting
Block#16.00#
Specifying sampling time
The time in the message is speci-
fi ed by being 7 h 30 min before
the sampling time
Reset
Alarm acknowledgement
The messages are resent once
a week until the fault has been
corrected and the alarm ackno-
wledged.
Test?
Treatment plant technical status
query
Plant replies with three SMSs
1. Message
WehoPuts 5
24.09. 15.30
Inputs 1100.
Outputs 000101.
2. Message
Continuous aeration
24.09. 7.57
44 min left
CompServCnt 1450 h
3. Message
Process n.22
24.09. 7.57
Last sludge removal 12 d
1. Message
Treatment plant type
Date and time
Active level switches
Operating devices
2. Message
Active process stage
Start date and time of stage
Remaining stage duration 44 min
Compressor operating hours
3. Message
Number of processes
Start time of previous process
Latest sludge removal done
12 d ago
17
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