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OMRON Sysdrive 3G3HV - Detector Cooling Section

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Acceleration/Deceleration Time Switching Command (Set Value = 12)<br />

Operation Example<br />

Output<br />

frequency<br />

Acceleration<br />

time 1<br />

Deceleration<br />

time1<br />

Deceleration<br />

time2<br />

Acceleration<br />

time2<br />

Forward<br />

rotation/<br />

Stop (S1)<br />

Acceleration/Deceleration<br />

time switching reference<br />

External Baseblock Command (Set Value = 13 or 14)<br />

The baseblock command can be input remotely to the Inverter by setting<br />

n035 to 13 (i.e., the NO contact is ON) or to 14 (i.e., the NC contact<br />

is OFF).<br />

The baseblock is the status of the Inverter with output turned OFF. The<br />

motor will coast to a stop if the baseblock command is input to the<br />

Inverter. However, the Inverter will hold the output frequency.<br />

The Inverter will have output that will change its frequency step by step<br />

to reach the same output frequency if the Inverter is released from the<br />

baseblock command.<br />

If the baseblock command is, however, input remotely to the Inverter after<br />

the Inverter receives the stop command, the output frequency held<br />

by the Inverter will be 0 Hz.<br />

Speed Search Command (Set Value = 15 or 16)<br />

The Inverter in speed search operation restarts the motor without stopping<br />

the motor while the motor is coasting.<br />

The Inverter in speed search operation makes it possible to smoothly<br />

switch over power supply to the motor from commercial power supply to<br />

the output power of the Inverter.<br />

Program a sequence to input the run command and speed search command<br />

simultaneously or the run command after the speed search command.<br />

The speed search command will be ignored if the run command<br />

is input earlier than the speed search command.<br />

Operation Example<br />

Output frequency<br />

Maximum frequency<br />

or set frequency<br />

Minimum baseblock<br />

time (n053)<br />

Forward<br />

rotation/Stop<br />

(S1)<br />

5 ms min.<br />

Speed search<br />

operation<br />

Minimum baseblock time (n053) or more<br />

Speed search<br />

command

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