GTCOM2 User manual
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Figure 44 The example of sensor's setting
The module activates the output at the set point. The event recovers from the hysteresis value.
Temperature 28 degrees
– OUT1 will be activate after 1000ms. „Max Alarm Event
Delay“prevents from OUT1 activation in response to short-term temperature fluctuations, for
example because of window or door opening.
Temperature 30 degrees
–alarm SMS with the text “Max Value” will be send after 10000ms
If the hysteresis set to 1. The system will work as follows:
Set point = 28 degrees
When temperature rise to 28 degrees, turn on the cooler. When temperature drops to 27 degrees,
the system will turn off the cooler.
ON- OFF control switches the output either full ON or full OFF, depending on the input set point and hysteresis values. The hysteresis value indicates the
amount the process value must deviate from the set point to turn on the output. With hysteresis set to 0, the process value would stay closer to the set
point, but the output would switch ON and OFF more frequently, and may result in the output “chattering”.
In order to control big power alternating current equipment, it is comfortable to use solid state relays.
AC/DC adapter with the voltage 10V - 14V and current >=1A might be used to powering the module. We recommend to use TPS12 power supply with
the deep discharge protection. The solution with GTM1 module will gives a call and send SMS warning when the battery voltage reaches the limit.
https://www.topkodas.lt/Downloads/TPS12_UM_EN.pdf
https://www.topkodas.lt/Downloads/GTalarm2_TPS12_AN_EN.pdf
4
Configuration methods
SMS text messages
In order to configure and control the device by SMS text message, send the text command to the GTCOM2 device number from one of
the listed administrator phone numbers.
Sera2 software
Configuration by USB cable and Sera2 software does not require the external power supply to be connected to the device. However,
the device will NOT fully function when USB-powered.
Sera2 software is intended for GTCOM2 communicator configuration locally via USB port or remotely via 2G/3G/4G network. This
software simplifies system configuration process. Sera2 software is a free, which you can download from our website: topkodas.lt
Remote connection
The system will NOT transmit any data to monitoring station while configuring the system remotely via 2G/3G/4G TLE network
connection. However, during the remote connection session, the data messages are queued up and will be transmitted to the
monitoring station after the configuration session is over.
Sera2 software provides remote system configuration ability using Topkodas Cloud server via GPRS.
4.1
System Access codes
Table 6 Default passwords and explanation
Password
Default
How to find and how to change
Explanation
SIM card PIN
1234
SERA2> System Options> General system options
It is automatically ignored if pin request in SIM card
is disabled
Installer
Password
000000
SERA2> System Options> General system options
This password allows you to enter programming
mode, where you can program all features,
options, and commands of the module.
SMS User
Password
123456
SERA2> System Options> General system options
This code allows you to utilize arming method, as
well as program user codes.
