CIRCUTOR CVM-C5 Series - Manual (Page 24)

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 flashing Tariff 1 Tariff 1
T1 flashing
T2 steady
Tariff 2 Tariff 1
T1 flashing Tariff 2 Tariff 2
T2 flashing
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:
 Define the transformation ratios.
 Program the ratio of kgCO
2
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 finishing the programming or no key is pressed for 30 seconds, the
configuration 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 first programming point.
24
CVM-C5
Instruction Manual