9-11
IM 760401-01E
External In/Output Function
9
CAUTION
Make sure not to greatly vary the input signal when using the comparator
function. Depending on the input signal used for determination, the instrument
may display error codes (i.e. overrange) and this will change the output relays
as follows. When using the output relay as a control signal, make sure to match
these control signals with other equipments to eliminate erroneuous control.
Displayed error Relay status
oL (over range) The NC contact is closed.
oF (over flow) The NC contact is closed.
dEGEr (phase angle error) The NC contact is closed.
PFErr (power factor error) The NC contact is closed.
ErrLo (frequency error) The NC contact is closed.
ErrHi (frequency error) The NO contact is closed for this
case only.
FrqErr (frequency error in case of harmonic measurement) The NC contact is closed.
—— (error when no data are present) The NC contact is closed.
9.4 Comparator Function (Option)
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