OMICRON 171
Technical data
12.6 Compact Flash card interface
12.7 Remote control interface
The remote control interface of CT Analyzer is exclusively intended to connect CT Analyzer to a
computer (e.g. running the CT Analyzer Suite software) or to the optional CT SB2 switch box (for multi-
ratio CT measurement).
As of serial number JHxxxx or newer, CT Analyzer is equipped with a USB interface and a RS232
interface.
Note: The user has to select the interface to be used in the CT Analyzer settings before connecting
CT Analyzer to a computer (refer to section 3.3 on page 26). CT Analyzer will only communicate via the
selected interface. It will not be recognized by the computer if CT Analyzer settings do not match the
interface used for connection.
Table 12-7: Ratio measurement accuracy for 5 A CTs at rated current
CT ratio I
sn
Rated power
1
1. Nominal burden of the CT.
Typical accuracy Guaranteed
accuracy
0.2 - 1 5 1.0 - 75VA 0.05% 0.1%
> 1 - 2000 5 0 - 75VA 0.02% 0.05%
> 2000 - 5000 5 0 - 75VA 0.03% 0.1%
> 5000 - 10000 5 0 - 75VA 0.05% 0.2%
Table 12-8: Phase measurement accuracy at rated current
Characteristic Rating
Resolution 0.01min
Accuracy (cos
Ď• 0.8 - 1)
1min (typical)
3min (guaranteed)
Table 12-9: Turns ratio measurement accuracy
Characteristic Rating
Resolution 0.01 turns
Accuracy 0.05% (typical)
0.1% (guaranteed)
Table 12-10: Compact Flash card interface
Characteristic Rating
Card type CF type 1
Allowed memory size 16MB - 2GB
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