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MHT260a (Engl.)
9-11
(j) Overflow, deviation excessive
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Keypad panel display
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Contents of alarm
Deviation quantity (difference between the current command position and current feedback position) exceeded the set value of basic para.
54.
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Cause, check and remedy
The initial set value of basic para. 54 is 10000 (x 100) [pulse].
If the difference between the current command position and current feedback position exceeds 1000000 [pulse], an alarm is detected.
Under normal operating conditions, the deviation quantity increases in proportion to the motor speed.
If an alarm is detected when rotating the motor by turning on the [RUN], the motor power wiring phases U, V, W may not be connected to the
corresponding terminals (U, V, W) of the amplifier.
The set value of basic para. 54 need not be decreased.
The deviation quantity can be reduced by setting the feed forward gain of basic para. 40 to near 1.000.
(k) Other protection functions
Under normal operating conditions, alarms other than the above mentioned are seldom detected.
If the following alarms appeared, contact us.
(i) Encoder heat, encoder overheat
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Keypad panel display
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Contents of alarm
The temperature of 16-bit serial encoder exceeded a specified value.
•
Cause, check and remedy
The ambient temperature for the motor should be 40°C max.
If an alarm appeared before running such as immediately after turning on power, contact us.
(ii) Resistor heat 2
•
Keypad panel display
•
Contents of alarm
The regenerative power processing transistor mounted on the amplifier overheats.
•
Cause, check and remedy
The ambient temperature of amplifier should be 55°C max.
If an alarm appeared before running such as immediately after turning on power, contact us.
Summary of Contents for Faldic-a RYS-R Series
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