TCG120-4_R1.3
–
May 2022
Page 38
•
Send firmware update command
(the syntax of the SMS message is described in 8. Setup
via SMS).
Attention!
Only the Master and Superusers can send this message.
The firmware will be downloaded and verified. The download takes about 3 minutes. If the file is
correct, the Master will receive a confirmation SMS message. The update procedure takes about 2
minutes. Once the firmware update is complete (about 5 minutes), TCG120-4
will restart.
Attention!
Don’t turn off the power
supply during the update. Turning off the power supply will
damage the device.
11.
Factory default settings
TCG120-4
can be restored to its factory default settings by the following steps:
•
Turn off the power supply;
•
Press and hold the RESET button then turn on the power supply;
•
STA and SIG LEDs will turn ON;
•
Release the RESET button.
The module will restore its default settings.
12.
Environment information
This equipment is intended for use in a Pollution Degree 2 environment, at altitudes up to 2000
meters. When the module is a part of a system, the other elements of the system shall comply with the
EMC requirements and shall be intended for use in the same ambient conditions.
13.
Safety
This device must not be used for medical, life-saving purposes or for any purpose where its failure
could cause serious injury or the loss of life.
This product contains a coin/button cell battery. Do not ingest battery, Chemical Burn Hazard.
If the coin/button cell battery is swallowed, it can cause severe internal burns in just 2 hours and can
lead to death.
Keep new and used batteries away from children.
If the battery compartment does not close securely, stop using the product and keep it away from
children.
If you think batteries might have been swallowed or placed inside any part of the body, seek
immediate medical attention.
To reduce the risk of fire, only flexible stranded wire, with cross-section 0.5mm
² or larger for wiring of
digital and analog inputs and relay output of the device should be used.
To avoid electric shock and fire hazards, do not expose this product to liquids, rain, or moisture.
Objects filled with liquids, such as vases, should not be placed on this device.
Summary of Contents for TCG120-4
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Page 46: ...TCG120 4_R1 3 May 2022 Page 46 Appendix C Fig 1 Fig 2...
