ABB IM300-I Operational Manual page 38

current value can not be less than the rated current value of the secondary
side.
creen 5：CT0 (Zero-sequence CT) settings
S
This page is used to set the primary side and
secondary side rated current value of CT.0 The upper
display shows the word "CT0", expressed this page
to CT0 Settings page, as shown in fig. 3-3-8.
CT0 secondary rating is 1A or 5A, CT0 primary
rating range from 1A to 9999A.
Note: primary side of the rated current value
can not be less than the rated current value of the secondary side.
creen 6：Direction of CT wiring and the system frequency settings
S
This page is used to set the direction of CT wiring and
system frequency. The upper display shows the word "SYS2",
indicates this page for the direction of CT wiring,and system
frequency settings page, as shown in fig. 3-3-9.
The first row shows the ABC: the representative of a
respective second row are A, B, C 3-phase CT connection
settings.
The second row is used to set the direction of CT
wiring ; from left to right as A, B, C 3-phase CT , 0 represents a forward direction,
represents the opposite direction.
The third row is used to set the system frequency: 50 / 60Hz optionally,It's the
frequency of analog capture when no voltage inputs.
IM300 Intelligent Power Monitoring Instrument
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