How to Use the Relay Output
The 4G Auto Dialler Plus has one relay outputs which can be used to switch on external
devices such as lighting, sirens etc…
Activation by SMS Text Message
By texting the unit you can turn the relay ON or OFF . Below, are examples on how to do this.
#
REL
=
ON
#
This will Latch on relay
#
REL
=
OFF
#
This will Latch off relay
After each operation the unit will reply with the Relay Status
Automatic Relay Triggering by Temperature
The relay will trigger in when the temperature is outside of the set parameters , and will turn
off when temperature falls back inside the temperature parameters (see page 8)
Page 6
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Telephone Call Alerts
The Auto Dialler can be programmed to send you a telephone call after each text alarm has been
sent.
You will receive approximately three ring tones. The unit will then hang up automatically. This is
to prevent call charges being incurred.
To set the call alert to ON please send the text message
#
CALL
=
ON
#
The unit will relay back with “CALL ON”
If the call function has been set to ON you will receive a text message and shortly after
a phone
call.
To disarm the call alerts please send the text message
#
CALL
=
OFF
#