Vernier Smart Alert User Manual

USER MANUAL for Smart Alert. (VE SA 246M)
INTRODUCTION
SMART ALERT (SA) is used for obtaining quick SMS alerts from field inputs. VE SA 246M
allows up to 4 Potential free inputs to be sensed. For every input, unique separate SMS is sent
to multiple reporting numbers. Maximum up to 10 different persons could be notified with
the alert. VE SA 246M allows 6 potential free outputs to be controlled remotely via SMS. VE
SA 246M allows 2 analog inputs for 4~20 mA signals and also can poll Modbus slave
devices through RS 485 interface and send an SMS containing Modbus data.
FEATURES
 12 V/2A DC power supply.
 4 number digital potential free alarm inputs with common ground pin
 2 analog inputs for 4~20 mA signals.
 6 number NO/NC outputs.
 Built in GSM modem.
 Storage of total 10 reporting telephone numbers.
(Each with 14 digits max)
 Modbus protocol over RS485 interface supported.
 Buzzer for audible status.
 Configuration via preformatted SMS.
 Dimensions : 106 x 63 x 45 mm (Excluding connectors and antenna)
INSTALLING THE UNIT
Inserting/ Removing the SIM Card
To insert or remove the SIM Card, it is necessary to press the yellow SIM holder ejector
button with Sharp edged object like a pen or a needle. When this is done the SIM holder
comes out a little, then pull it out and insert or remove the SIM Card. It is very important that
the SIM is placed in the right direction for proper working.
Connecting External Antenna
Connect the external SMA antenna to the male antenna connector of the unit. The frequency
of the antenna should be GSM 850/900/1800/1900. The right Antenna should be used with
the specified frequency otherwise it can affect the communication.
Power Supply – Screw type connector with +12V DC, 2A supply.
Digital Inputs –
For SA246 connect the potential free contact wires to DI1 ~ DI4 terminals of unit. The other
end of contact can be connected to common GND terminal provided.
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