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5-13
5-6-3 Frequency Referencing by Analog Input
This section explains the methods for referencing frequencies by analog input, adjusting
input characteristics, and detecting input command errors. Either the frequency refer-
ence control terminal (voltage/current) or multi-function analog voltage/current input
can be used for analog inputs. The gain, bias, and filter time parameters can be used for
adjustments, or, alternatively, the adjustments can be made by external analog voltage
(current), using the multi-function analog inputs.
H
Setting Frequency References by Analog Input
•
Analog inputs can be set only in remote mode. Set parameter n004 (frequency reference selection) to
any of the following: 2 to 4 (frequency reference control terminal), 7 (multi-function analog voltage in-
put), or 8 (multi-function analog current input).
Note
If the frequency reference control terminal is to be used for current inputs, the SW2 setting must
be changed from V to I.
H
FR Terminal Adjustments for Frequency Reference Input
D
Gain and Bias Settings (n060 and n061)
•
Set the input characteristics of analog frequency references in n060 (for the frequency reference gain)
and n061 (for the frequency reference bias).
•
Set the frequency of maximum analog input (10 V or 20 mA) in n060 as percentage based on the maxi-
mum frequency as 100%.
Example: In order to obtain the maximum frequency at 5 V, set the value to 200% because 10-V
input is 200% maximum frequency.
•
Set the frequency of minimum analog input (0 V, 0 mA, or 4 mA) in n061 as percentage based on the
maximum frequency as 100%.
Example: In order to obtain 50% maximum frequency output with 0 V input, set the value to 50%.
•
Use the following equation to obtain the reference value for the analog input value.
Reference value = {Analog input (%)
(Gain – Bias)}
Maximum fre Bias
Maximum
frequency
n060
Frequency Reference Gain
Register
013C Hex
Changes during
operation
Yes
Setting
range
0% to 255%
(Max. frequency = 100%)
Unit of
setting
1%
Default setting
100
n061
Frequency Reference Bias
Register
013D Hex
Changes during
operation
Yes
Setting
range
–99% to 99%
(Max. frequency = 100%)
Unit of
setting
1%
Default setting
0
Basic Operation
Chapter 5
Содержание SYSDRIVE 3G3MV-A2001
Страница 1: ...Cat No I527 E1 04 USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter...
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Страница 3: ...USER S MANUAL Multi function Compact Inverter SYSDRIVE 3G3MVSERIES...
Страница 18: ......
Страница 23: ...Chapter 1 Overview 1 1 Functions 1 2 Nomenclature 1 3 New Features 1...
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Страница 33: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
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Страница 75: ...Chapter 3 Preparing for Operation and Monitoring 3 1 Nomenclature 3 2 Parameter Copy and Verify Function 3...
Страница 93: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
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Страница 269: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Страница 293: ...9 25 D 3G3MV PRS2030V PRS3020V Four M4 holes for Inverter mounting use Three 5 dia holes Specifications Chapter 9...
Страница 294: ...9 26 D 3G3MV PRS2050V Four M5 holes for Inverter mounting use Three 6 dia holes Specifications Chapter 9...
Страница 297: ...9 29 D 3G3MV PRS1040V Three 5 dia holes Four M4 holes for Inverter mounting use Specifications Chapter 9...
Страница 303: ...Chapter 10 List of Parameters 10...
Страница 337: ...Chapter 11 Using the Inverter for a Motor 11...
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Страница 344: ...I527 E1 04...