E6581386
F-61
6
6.29 Override
H : Override addition input selection
H : Override multiplication input selection
• Function
These parameters are used to adjust reference frequencies by means of external input.
Title Function Adjustment range Default setting
H
Override addition input selection
[Hz]
:Disabled
:VI/II (voltage/current input)
:RR/S4 (potentiometer/voltage input)
:RX (voltage input)
:Operation panel input enabled (including
LED/LCD option input)
:2-wire RS485 input enabled
:4-wire RS485 input enabled
:Communication option input enabled
:Optionl AI1 (differential current input)
:Optionl AI2 (voltage/current input)
:Up/Down frequency
:Optionl RP pulse input
:Optionl high-speed pulse input
:-
H
Override multiplication input
selection
[%]
:Disabled
:VI/II (voltage/current input)
:RR/S4 (potentiometer/voltage input)
:RX (voltage input)
:-
:Optionl AI1
The override functions calculate output frequency by the following expression:
Frequency command value × (1+ )+Value [Hz] selected with H
1) Additive override
In th1is mode, an externally input override frequency is added to operation frequency command.
[Ex.1: RR/S4 (Reference frequency), VI/II (Override input)] [Ex.2:RX (Reference frequency), VI/II (Override input)]
Output frequency
Over-ridden frequency
Override
(VI/II input)
0
10V
Over-ridden frequency
HJ
Override
(VI/II input)
0
10V
HJ
RR/S4 input
(Reference
frequency)
RX input
(Reference
frequency)
Output frequency
Reverse run
Forward run
Value [%] selected with H
100
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