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4.4.- TARIFFS

The CVM-C5 has two tariffs, T1 and T2, which can be selected through a digital input.

The selected tariff is determined based on the status of the input, as shown in Table 8.

Table 8: Tariff selection�

Tariff Digital input

T1 0

T2 1

The symbols T1 and T2 that appear on the display in the consumption data area indicate the

selected tariff and the tariff being shown according to Table 9�

Table 9: Displaying tariffs on the display�

Symbol Display Selected tariff

T1 ashing Tariff 1 Tariff 1

T1 ashing

T2 steady

Tariff 2 Tariff 1

T1 ashing Tariff 2 Tariff 2

T2 ashing

T1 steady

Tariff 1 Tariff 2

4.5.- DIGITAL OUTPUT

The unit has an optoisolated NPN transistor (terminals 3 and 4 of Figure 1) that may be pro-

grammed as:

A pulse output by kWh or kvarh�

An alarm associated with a measurement parameter.

4.6.- PROGRAMMING

From the programming menu you can:

Dene the transformation ratios.

Program the ratio of kgCO

carbon emissions of the two tariffs.

Program the cost ratio of the two tariffs.

Program the maximum demand parameters.

Delete the energy meters and the maximum and minimum values.

Modify the display's backlight.

Program the digital output.

The CVM-C5 does not record programming changes until the programming is complete. If

the unit is RESET before nishing the programming or no key is pressed for 30 seconds, the

conguration will not be stored in the memory.

The CVM-C5 does not take any measurements during programming.

To enter the programming menu press the key for 3 seconds.

And press to access the rst programming point.

CVM-C5

Instruction Manual

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Circutor CVM-C5 Series Manuale Utente Pagina 24