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Voltage Input (pr. 73) - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

Transistorized inverter, high function & low acoustic noise.
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Voltage input (Pr. 73)

Pr. 73 "0-5V/0-10V selection"
You can select the analog input terminal specifications, the override function and the function to switch
between forward and reverse rotation depending on the input signal polarity.
Parameter
Factory Setting
Number
73
1
<Setting>
Pr. 73
Terminal AU
Terminal 2
Setting
Signal
Input Voltage
0
0 to 10V
1
0 to 5V
2
0 to 10V
3
0 to 5V
4
0 to 10V
5
OFF
0 to 5V
10
(No)
0 to 10V
11
0 to 5V
12
0 to 10V
13
0 to 5V
14
0 to 10V
15
0 to 5V
0
1
Invalid
2
3
4
0 to 10V
5
0 to 5V
ON
(Yes)
10
11
Invalid
12
13
14
0 to 10V
15
0 to 5V
Note: 1. The value of terminal 1 (frequency setting auxiliary input) is added to the main speed setting
signal of terminal 2 or 4.
2. When override has been selected, terminal 1 or 4 is for the main speed setting and terminal 2 is
for the override signal (50 to 150% at 0-5V or 0-10V).
3. Indicates that a negative-polarity frequency command signal is not accepted.
4. To change the maximum output frequency at the input of the maximum frequency command
voltage (current), use the frequency setting voltage (current) gain, Pr. 903 (Pr. 905). At this time,
the command voltage (current) need not be input. Also, the acceleration/deceleration time, which
is a slope up/down to the acceleration/deceleration reference frequency, is not affected by the
change in Pr. 73 setting.
5. When the Pr. 22 setting is "9999", the value of terminal 1 is for the stall prevention operation level
setting.
indicates the main speed setting.
6.
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Setting Range
0 to 5, 10 to 15
Terminal 1
Terminal 4 Input, 4
Input Voltage
to 20mA
0 to ±10V
0 to ±10V
0 to ±5V
0 to ±5V
0 to ±10V
0 to ±5V
Invalid
0 to ±10V
0 to ±10V
0 to ±5V
0 to ±5V
0 to ±10V
0 to ±5V
0 to ±10V
0 to ±10V
0 to ±5V
0 to ±5V
Invalid
Yes
0 to ±10V
0 to ±10V
0 to ±5V
0 to ±5V
Invalid
95
PARAMETERS
Related parameters
Pr. 22 "stall prevention operation level"
Pr. 903 "frequency setting voltage bias"
Pr. 905 "frequency setting current gain"
Override Function
Reversible
×
{
×
{
×
{
×
{
Polarity
No
(Note 3)
Valid
No
(Note 3)
Valid

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