Contatto
ModGSM
III
ModGSM
III
: GSM module for remote control
ModGSMIII module allows to receive information from the
Contatto
bus and to send commands using a standard
GSM mobile phone.
The way to exchange information with the Contatto bus is
based upon the SMS messages (Short Message Service):
each sent/received message contains literal strings fully
configurable by the user.
In comparison to similar systems based on DTMF tones,
ModGSM
III
module allows to exclude any misunderstand-
ing about the sent commands and to have clear and explicit
information about the status of the system. ModGSM
III
contains a “
GSM engine
” that may operate both with re-
chargeable and contract SIM cards.
ModGSM
III
requires MCP XT controller equipped with
main firmware version 3.5 or higher.
The main features of ModGSM
III
module are the following:
➢
Enabled telephone numbers
: up to 32 telephone
numbers may be defined, from which the module ac-
cepts SMS to perform commands or to which the mod-
ule sends information via SMS.
➢
Jolly number
: the “jolly number” function allows to a
not listed user to send a SMS command to ModGSM
III
module, of course provided that before the commands
a well defined password has been entered.
This password must be always placed at the beginning
of SMS and can be freely set using the support soft-
ware ModGSMTools.
➢
SMS from ModGSM
III
to user
: up to 64 SMS may be
defined, which will be sent by ModGSM
III
module to
one or more phone numbers at the occurrence of an
event (e.g. alarm system, failure of the boiler, etc.);
each one of these SMS can contain information about
one or more points of
Contatto
bus or about the local
input of the module.
➢
SMS from ModGSM
III
to user at interruption and
restoring of the power supply
: thanks to an internal
rechargeable battery, ModGSM
III
may be set to send
a message at the interruption and/or at the restoring of
the power supply; these two messages may be defined
by the user and they may be individually enabled.
This feature does not depend on the bus activity and it
is useful to be informed about the status of the electric-
al network of the plant. At the interruption of the power
supply, ModGSM
III
module will be automatically
switched off after a programmable delay; during this
time the local inputs are still working.
➢
SMS from ModGSM
III
to user at
Contatto
bus fail-
ure
: in addition to power supply status information de-
scribed above, ModGSM
III
can be set to send a
message at the occurrence of
Contatto
bus failure and/
or at its restoring
➢
Forwarding of SMS from ModGSM
III
to user
:
ModGSM
III
can be set to forward all SMS, received
from not listed phone numbers, to one of the listed
phone numbers, or to a number not inserted in the list.
➢
SMS from user to ModGSM
III
for command execu-
tion
: up to 64
“command strings”
may be defined; each
string can execute up to three different actions. Send-
ing a SMS containing one or more of these strings,
ModGSM
III
module will execute the specified com-
mands, but provided that the SMS has been sent from
a listed phone numbers (or from the jolly number).
Between the processing of a command string and the
next one, the module waits for a pause of 1 second. If
a command string is set to perform more actions, these
ones will be processed without any pause, so they will
be executed almost at the same time. For each com-
mand string, at least one action must be defined.
➢
SMS from user to ModGSM
III
for information re-
quest
: the command SMS described at previous point
may contain also a request of SMS sending to the
user, reporting information about one or more points of
the system.
➢
SMS from user to ModGSM
III
for remaining credit
request
: after proper setting, it is possible to send a
SMS to force the request of the remaining credit from
ModGSM
III
to the mobile service provider when using
prepaid SIM.
➢
Execution of commands by a voice call
: “voice call”
is a standard call from any telephone (GSM or wired); if
the calling number is among the enabled ones, then
ModGSM
III
module will reject the calling after a pair of
rings without answer to it and it will execute the com-
mands (if enabled) configured for that phone number.
This feature allows to execute some commands at zero
cost because ModGSM
III
, as said, does not answer to
the voice call
➢
Local inputs and outputs
: ModGSM
III
provides 8 in-
puts, 2 relay outputs (with floating contacts) and 2 NPN
outputs, absolutely independent from the
Contatto
bus;
these points may be used to acquire status and to ex-
ecute commands regardless of the bus activity.
➢
Log
on SDCARD
: ModGSM
III
performs a daily re-
cording (log) on SDCARD, storing all the significant
events occurred during the day.
➢
Management of PIN and PUK code by the PC
: it is
possible to enable/disable the PIN code of the SIM by
using ModGSMTools programs, avoiding the need to
use a third GSM phone. In addition, by PC, it is pos-
sible to change the PIN code of the SIM.
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