Siemens SIPROTEC 7UT613 series, Руководство пользователя

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2.1 General
77
7UT613/63x Manual
C53000-G1176-C160-2
Figure 2-16 Polarity check for 1-phase current inputs
I
X1
The following applies for the (max. 4, dependent on device version on connections)
1-phase current inputs:
For the auxiliary measuring input X1
• Address
711 EARTH IX1 AT
with the options
Terminal Q7
or
Terminal Q8
,
• Address
712 IN-PRI CT IX1
= primary rated CT current,
• Address
713 IN-SEC CT IX1
= secondary rated CT current.
For the auxiliary measuring input X2
• Address
721 EARTH IX2 AT
with the options
Terminal N7
or
Terminal N8
,
• Address
722 IN-PRI CT IX2
= primary rated CT current,
• Address
723 IN-SEC CT IX2
= secondary rated CT current.
For the auxiliary measuring input X3
• Address
731 EARTH IX3 AT
with the options
Terminal R7
or
Terminal R8
(not for high-sensitivity input),
• Address
732 IN-PRI CT IX3
= primary rated CT current,
• Address
733 IN-SEC CT IX3
= sec. rated CT current (not for high-sensitivity
input),
• Address
734 FACTOR CT IX3
= CT transform. ratio (only for high-sensitivity input).
For the auxiliary measuring input X4
• Address
741 EARTH IX4 AT
with the options
Terminal P7
or
Terminal P8
(not for high-sensitivity input),
• Address
742 IN-PRI CT IX4
= primary rated CT current,
• Address
743 IN-SEC CT IX4
= sec. rated CT current (not for high-sensitivity
input),
• Address
744 FACTOR CT IX4
= CT transform. ratio (only for high-sensitivity input).
Note
For devices in panel surface mounted housing, terminal designations apply as per
table 2-4.