Manual Grasslin Telltask 1C1 (page 15 of 40) (English, German, French, Italian, Spanish)

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Programming the Device Using a USB Cable

The device needs no power supply connection during the programming procedure as the power is supplied directly

by the USB connection. The device may therefore be programmed before installing it in the control panel.

NOTE: the relay cannot change status if the main power supply is not present.

• Start the programming software.

• Connect the USB cable to the PC and the device.

The device needs no installation driver as it is recognized automatically by Windows: this feature makes it easier to

reprogram the device, where necessary, in the future.

If the device is not recognized and the network LED continues to blink red, see the troubleshooting section.

The programming software of telltask 1C1 is clear, simple and self-explanatory. The sections that follow provide a

detailed description of each of the functions in the order in which they are displayed by the program.

Functions

System Password

In order to ensure the security of the system, the device prompts the operator to enter a password of four digits

(and/or characters, in PC mode only) indispensable to be able to send command SMS messages. The default pass-

word is four zeros (0000). For instructions on how to send command SMS messages, see the corresponding section.

List of Administrator Users

This list is made up of the telephone numbers of the users authorized to receive the alarm and/or notification SMS

messages and to control the device using quick commands (see corresponding section).

Temperature Sensor

The device has an internal sensor that can detect the ambient temperature. For default settings, the sensor is disa-

bled. The user may choose between the following operating modes (TMODE):

• sensor disabled

• sensor enabled

Calibration

It is possible to calibrate the temperature measured by probe (see: commands sms).

Note: It is recommended to calibrate the sensor after about 30 minutes of running, so the device has reached oper-

ating temperature

Room Thermostat Function

It allows you to control the relay output according to the ambient temperature measured by the temperature probe.

When connected to a heating or air-conditioning system, this device enables the temperature of a room to be con-

trolled by monitoring both the comfort temperature Th (heat temperature), the AUTOMATIC function, where present,

and the maintenance temperature Tf (frost temperature), the ANTIFREEZE function.

The temperature thresholds may be set either using the software or from a remote location by means of command

sms (see the Commands section).

The device also has a notification function (Notify SMS), which, when activated, enables the device to inform its

administrator users through an SMS if the room temperature drops 1°C below the frost temperature (Tf), sent repeat-

edly every 15 minutes until it is disabled by the user.

Alarm Input

The device has an alarm input, which allows you to send a text message to, both opening and closing of each contact,

administrative users

The text associated with each event may be customized from the software or through a command SMS.

This function informs the user of specific events that take place on the system or plant to which the device is con-

nected such as a boiler breakdown or voltage drop, the opening of a valve, etc..

Phone Ring Function

The device can store a list of telephone numbers and names (up to three hundred) authorized to activate and/or

deactivate the relay output simply by a telephone ring and thus with no cost whatsoever. The device recognizes the

incoming call, cuts if off immediately and activates the plant to which it is connected.

This function (RMODE) may be set in the following modes:

• function disabled;

• SWITCH mode: the relay is simply toggled ON and OFF; (this mode permanently disables the thermostat func-

tion);

• PULSE mode: a programmable pulse of one to twenty seconds is emitted (this mode permanently disables the

thermostat function);

• AUTOMATIC mode: used to activate the automatic room thermostat function (providing the temperature sensor

has been activated).

The user may also choose to activate the sms feedback option, which sends an SMS confirming the status of the

plant back to the mobile phone from which the telephone ring was received.

PULSE mode also enables the text of the SMS confirming the command executed to be customized.

Credit Function

This is an innovative function for rechargeable SIM cards that informs the user at a remote location of the residual

credit on the SIM card to which the device is connected.

As each telephone company adopts a different method of indicating the residual credit to users, this function may be

set in one of the following three modes most commonly used by telephone operators:

• Using a quick command;

• By calling a number to receive an SMS indicating the credit;

• By means of a free SMS with a command for receiving the credit indication.

To find out the specific parameters to be entered, we recommend you consult your telephone company.

This function is not fully guaranteed as the telephone companies not only adopt different methods to indicate the

residual credit to users but they also change these methods continually.

Interfaces

GSM LED: GSM Signal Level

This LED identifies the level of the GSM signal. Its operation is described in the table below:

LED colour

Description

RED

The device is receiving no signal and/or is not registered on the network

FLASHING RED

Error situation: see the troubleshooting section

FLASHING GREEN

The number of flashes identifies the level of GSM field: it may range from 1 to 5.

GREEN The device is receiving or sending an SMS

STATUS LED: Status of the Relay Output

See the section below.

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Grasslin Telltask 1C1 Manual

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