Melec ADB-2F50B, Instruction Manual

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ADB-2F50B
Instructions Manual
(5) Overheat alarm signal output and overheat alarm LED（O.H.A）
Overheating may cause fire.
Stop operation upon output of this signal.
Overheating may cause fire.
Stop operation when this LED comes on.
① Output current a. I
C
≦6mA, V
CE
＜5V
b. I
C
≦2mA, V
CE(sat)
≦0.6V
V
CEO
≦30V
● 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.
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