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DMM Technology Corp.
DYN4 AC Servo Drive Instruction Manual
REV. ZM7-A10A
CT1
3.4
Power Up Timing Chart
Main Power Supply
♦ Supply Power Cycle
Do not cycle the main power supply quickly as internal circuit may be permanently damaged. Power to
servo drive should be turned on once during each operation cycle.
♦ Power Off Residual Voltage
After drive power off, the user should wait at least 60 seconds before servicing or touching the servo drive
frame. Residual voltage may remain in the circuit after immediate power off. 60 seconds is needed for full
discharge.
The residual voltage may cause the servo motor to rotate for a short period even after immediate power
off. Consider this effect for emergency situations and take safety precaution to prevent damage to person-
nel, equipment or machine.
S1 Status LED
Command Reference
Input Pulse/Analog
After servo drive power ON, wait at least 150ms before sending pulse, analog or serial command to servo
drive.
Servo ON
(Motor Servo Lock)
ON
OFF
ON
OFF
HIGH
LOW
ON
OFF
Normal Operation
100ms
150ms
250ms
Status LED lit Green
3.4.1 Power ON Timing
