HT G11 / G12 GSM Terminal Instruction Manual
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1.INTRODUCTION
1.1 General Features
HT G11/G12 GSM communication terminal provide remote monitoring
for devices such as electronic electric meters, compensation relays and energy
analyzers supporting Modbus protocol. It provides communication with the
devices that has Modbus protocol via RS-485 port, with electric meters via
optical communication ports, RS-232 (3-wire) or RS-485 (2-wire).
In order for the communication terminals to establish an internet
connection, a SIM card with a capacity of at least 100 MB with M2M property
should be inserted into the device. If a PIN code is defined on the SIM card, the
PIN code must be canceled by inserting the SIM card into a mobile phone.
HT G11/G12 GSM communication terminals query the data of the
connected devices and send it to Grup Arge servers via GSM network (mobile
phone network). You can access the data of all your devices by visiting our
website located at
with your provided user account.
The main reports on the web interface are as follows:
• Active consumption reports
• Reactive ratio reports
• Instant electrical parameters such as current and voltage
• Step values (only for compensation relays)
Moreover, in the case of specific alerts, the system notifies the situation to
related persons by e-mail and SMS alerts.
