15
7.3 Learning function
The learning function is factory-set to "Enable".
After two minutes of continuous motor operation,
"LRN" appears in the display for approx. 5 seconds,
while the values are being stored in the MP 204.
See fig. 14, pos. 3.
If, for instance, a Pt sensor or capacitor has been
replaced, reactivate the learning function by pressing
the and buttons for a minimum of 10 seconds.
The dot in the right side of the display is flashing.
The MP 204 is waiting for current to pass through the
unit for a minimum of 120 seconds. Then the phase
sequence is measured and stored.
In single-phase systems, the MP 204 measures the
capacity of the starting and run capacitors and stores
the values as reference.
If a Pt100/Pt1000 sensor is installed, the cable
impedances to the sensor are measured and stored
as reference.
8. R100 remote control
The R100 remote control is used for wireless com-
munication with the MP 204. The R100 communi-
cates via infra-red light. During communication, there
must be visual contact between the R100 and the
MP 204. See fig. 17.
The R100 offers additional settings and status read-
ings for the MP 204.
Fig. 17 R100 and label
The settings label, which is enclosed, can be affixed
to the MP 204 as required.
If the R100 comes into contact with more than one
unit at a time, the number of the desired unit must be
entered. See section 9.4.17.
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