
Check if the CT ratio has been set
correctly.
The power measurement
is not correct.
Check if the measurement mode has
been set correctly.
Check if the phase sequence
corresponding to the voltage and the
current is correct.
Check if the current terminals of the
same name are wrong.
The digital input
status no
changing.
The voltage relating to
digital input is not correct.
Check if the types of external nodes
match the rated parameters of the
meter.
Check if the external connection is
correct.
The relay output
status no
changing.
The relay does not
receive the control
command.
Check if the communication link is
correct.
The control mode of relay
Check if the current relay is under the
67
Содержание SPM33
Страница 1: ...V2 0...
Страница 76: ...three phase three wire system 3CT three phase three wire system 2CT 71...