Instructions Manual
(5) Overheat alarm signal output(O.H.A)
Overheating may cause fire.
Stop operation upon output of this signal.
① Output current
a. I
C
≦6mA, V
CE(sat)
<5V
b. I
C
≦2mA, V
CE(sat)
≦0.6V
V
CEO
≦30V
● Please use overheat alarm signal output(O.H.A)without fail.
● In case of internal temperature of the driver reaches approx. 70℃ or more,
the signal is output(photo-coupler ON) and O.H.A LED comes on.
At this time the motor output current is not blocked.
● When this signal is output, stop operation and check if there is any
abnormality occurring with the motor and the driver.
● Provide mechanical cooling, for example, if this signal is output while
no abnormality is detected.
● Continuous operation is possible unless this signal is output.
I
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