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In order to monitor the output status accurately, calibrate the frequency meter before operation. Use of
the parameter unit allows precise adjustment. (See page
64
for calibration procedures.)
-
Changing usage of an inverter (Previouly set up)
Because such an inverter might have parameters set previously according to a specific operation, reset
parameters before operation (reset parameters to values set when the inverter was supplied by
Mitsubishi).
The inverter may be factory reset on the parameter unit. (See page 61
for
initialization.)
Note, however, that the parameters that follow may not be initialized even if you all clear
parameters using the parameter unit. Read each control variable and change
it
to a needed value.
'
Parameter number 20
'frequency for 5 V input signal'
'
Parameter number
39
'frequency for 20 mA input signal'
*
Parameter number C-2
'frequency reference voltage bias'
'frequency reference voltage gain'
'
Parameter number
C-4
'frequency reference current bias'
'frequency reference current gain'
Parameter number
C-3
Parameter number C-5
-
29
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