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7-54 VS1MD AC Drive User Manual
H75 DB Resistor Select
Range: 0 - 1
Default: 1
Access Configurable
See Also: H76
0 = Unlimited
1 = Limited by setting in H76
ATTENTION:Take caution when DB resistor is used over its Watt rating.
Fire may result from resistor overheat. When resistor having heat detection
sensor is used, sensor output can be used as external trip signal in digital
input.
H76 DB Resistor Operating Rate
Range: 0-30[%]
Default: 10
Access Configurable
See Also: H75
Sets the percent of DB resistor operating rate to be activated during one
sequence of operation. Continuous usage rate is a maximum of 15
seconds.
Example 1)
T_acc: Acceleration time to reach a setting freq.
T_steady: Time for constant speed operation at setting freq.
T_dec: Time to decelerate to lower freq. than that in constant speed
or time to stop from freq. in constant speed.
T_stop: waiting time at a stop before operation is resumed.
[%
]
100
____
_
76 ×
+++
=
stopTdecTsteadyTaccT
decT
H