50
Technical Handbook
Single phase / three-phase selection depends on the settings of parameters P.9615 e P.9616.
It is required to configure the nominal AC voltage (P.0116) and frequency (P.0105). It is also
required to configure the voltage transformers ratio, using P.0117 and P.0118.
Voltage measurement are performed as True RMS.
Maximum 74.5 Vac can be applied between terminals and GND.
The controller uses phase L1 (terminal JH-3) to measure the frequency of the auxiliary source.
AC voltages and frequency are shown on page M.11. This page is hidden if auxiliary source
AC voltages are not connected to the controller.
The device, in three-phase connection, can function both with the neutral connection and
without it; selection is performed through the P.9618 parameter: the value 018 means that the
neutral line is connected to JH-4.
If the neutral is connected to the controller, the neutral voltage is measured in relation with
GND. The values of the V1-N, V2-N and V3-N phase voltages and the VN voltage of the neutral
in relation to GND for the auxiliary source are displayed on page M.12. If the neutral is not
connected to the controller, then page M.12 will not be displayed.
Содержание HS 315
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