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Designing the Power ON Sequence
Observe the following precautions when designing the power ON sequence.
• Design a power ON sequence so that the power is turned OFF when a servo alarm signal is
output. (See the previous circuit diagram.)
• Hold down the power ON push-button for at least two seconds. The Servopack outputs a
servo alarm signal for approximately two seconds or less when the power is turned ON. This
operation is required to initialize the Servopack.
Servo alarm (ALM) output signal
Wiring Precautions
• After turning the power OFF, do not touch the power terminals for 5 minutes. Residual volt-
age may remain in the Servopack.
• Avoid frequently turning the power ON and OFF. The Servopack has a capacitor in the pow-
er supply, so a high charging current flows when the power is turned ON. Therefore, fre-
quently turning the power ON and OFF causes the main power devices (such as capacitors
and fuses) to deteriorate, resulting in unexpected problems.
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Power supply
— 1-15 —
1.3Connection and Wiring
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