semaphore TBOX LT2-530 Series, User Manual, Page: 125 / 197

Version : 1.09 125
13.3. Controlling the RTU using SMS message or POP3
ReadSMS/POP3 provides the possibility to control the RTU by sending a SMS to
TB
OX
LT2
or by reading
e-mail using POP3 service.
A message can combine several data: Password, acknowledgment ID, writing values directly to ModBus
addresses,... It must always start and end with the character #
A specific character indicates the type of data sent to the RTU.
Examples:
- :
pre-defined message
W :
writing a value to a Modbus address
S :
setting of a Digital Tag
Details of the different types of data that can be included in a message sent to
TB
OX
LT2
:
13.3.1. Using pre-defined messages
(-
)
-
From the ReadSMS properties menu, you select a
‘Message index Tag’ (analog Tag - 16 bits format),
that will contain a value associated to the message
sent to the RTU
-
You add the message(s) you intend to send to the
RTU
When the RTU receives the message, it will put the
corresponding value to the ‘Message index Tag’
The maximum number of pre-defined messages
supported is 20. In case you need to monitor more
process, you can use the direct/indirect addressing
(see next).
- SMS/POP3 message is not case sensitive
- This method of monitoring using
message, is the only method supported
by POP3.
Make sure the message sent is preceded
by the character
“ - “
Message sent by a Mobile
Examples:
#-START PUMP#
#P1568,A00056,-START PUMP,W20480=123#
Message sent by e-mail
A message must include the RTU Id of
TB
OX
LT2
, preceded by the letter
I
and a pre-defined message. It
may also include an acknowledgment ID.
Examples:
#I460000020107,-START PUMP#
#I460000020107,A00002,-START PUMP#