(((ELKRON))) - CT10-M / CT11-M
10
•
Output U2
is dedicated to “
telephone failures
” and indiscriminately switches in the following
cases:
-
No
PSTN telephone line
(CT11-M only)
This condition is determined by the negative outcome of the PSTN line test (see
paragraph 8.10). The output is reset if the telephone line is detected during the
following test.
-
No
GSM network
This condition is determined by prolonged absence of GSM field coverage. The output
is automatically reset when the field coverage is detected.
-
No
connection to GSM module
This occurs when there is no communication between board and GSM module for
longer than 2 minutes. The output is automatically reset when the interface is
established again.
No SIM card or SIM card not read
-
The output is automatically reset when the presence of a SIM card is detected.
Telephone FAILURES are also signalled by the LED on the front panel which blinks fast.
The LED will blink slowly after the condition which caused the failure is restored to
indicate that the event has been stored in the memory.
The memory signal can be cancelled manually by means of “Clear Data” in the Wieving
System Status menu (see pag.20)
The probability of positive call cycle outcome is proportional to the number of
programmed telephone numbers. For this reason, YOU ARE ADVISED TO PRO-
GRAM MORE THAN ONE TELEPHONE NUMBER.
ELKRON declines liability of provisional or permanent non availability of
the GSM cellular network which can effect the possibility of making calls
and sending programmed text messages.
U3, U4, U5
OUTPUTS
• U3 and U4 outputs are electrical while output U5 consists of a free exchange C-N.C.-
N.O. relay. U3 and U4 present 0V when de-energised (+12V active). The relay dedi-
cated to U5 is de-energised. The outputs can be programmed as: Not Used, Associated
to inputs I1 and I2 or Controllable (remotely or locally by menu).
1. An output programmed as
Not Used
will be always de-energised.
2. An output programmed as
Linked to an input
(I1 or I2) will be activated according
to the associated input conditions. It can be programed as maintained or timed (5
sec/10 sec/30 sec/60 sec/90 sec).
• Associating an output to an input makes the output activate (switch) and return to de-
energised condition in different ways according to the type of associated input.
- If the associated input is
24h
, the output will activated (switched to +12V) when the
associated input status changes from de-energised condition.
- Two cases are possible if the associated input is programmed as
AND TC
:
. With TC OFF, input status change will activate the associated output. Furthermore,
if the input is programmed as delayed, the associated output will be activated at
the end of the delay.
. With TC ON, input status change will be ignored. Consequently, the output will not
be activated.
