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Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual Page 22

Transistorized inverter, high function & low acoustic noise.
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Type
Symbol
Terminal Name
10E
Frequency setting
power supply
10
Frequency setting
2
(voltage)
Frequency setting
4
(current)
Auxiliary frequency
1
setting
Frequency setting
5
input common
A, B, C
Alarm output
RUN
Inverter running
SU
Up to frequency
OL
Overload alarm
Instantaneous power
IPF
failure
FU
Frequency detection
Open collector output
SE
common
FM
For meter
AM
Analog signal output

PU connector
*1:
Terminals PR and PX are provided for the FR-A520-0.4K to 7.5K, FR-A540-0.4K to 7.5K.
*2:
Low indicates that the open collector outputting transistor is on (conducts). High indicates that the
transistor is off (does not conduct).
*3:
Not output while the inverter is reset.
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INSTALLATION AND WIRING
Description
10VDC, permissible load
When the frequency setting potentiometer is
current 10mA
connected in the factory-set state, connect it to
terminal 10.
5VDC, permissible load current
When it is connected to terminal 10E, change the
10mA
input specifications of terminal 2.
By entering 0 to 5VDC (0 to 10VDC), the maximum output frequency is reached at 5V
(or 10V) and I/O are proportional. Switch between input 0 to 5VDC (factory setting)
and 0 to 10VDC from the operation panel. Input resistance 10kΩ. Maximum
permissible voltage 20V.
By entering 4 to 20mADC, the maximum output frequency is reached at 20mA and
I/O are proportional. This input signal is valid only when the AU signal is on. Input
resistance 250Ω. Maximum permissible current 30mA.
By entering 0 to ±5VDC 0 to ±10VDC, this signal is added to the frequency setting
signal of terminal 2 or 4. Switch between input 0 to ±5VDC and 0 to ±10VDC (factory
setting) from the operation panel. Input resistance 10kΩ. Maximum permissible
voltage ±20V.
Common to the frequency setting signal (terminal 2, 1 or 4) and analog output
terminal AM. Do not earth.
Change-over contact output indicating that the output has been
stopped by the inverter protective function activated.
200VAC 0.3A, 30VDC 0.3A. Alarm: discontinuity across B-C
(continuity across A-C), normal: continuity across B-C
(discontinuity across A-C).
Switched low when the inverter output frequency is equal to or
higher than the starting frequency (factory set to 0.5Hz, variable).
Switched high during stop or DC dynamic brake operation (*2).
Permissible load 24VDC 0.1A.
Switched low when the output frequency has reached within
±10% of the set frequency (factory setting, variable). Switched
high during acceleration, deceleration or stop (*2). Permissible
load 24VDC 0.1A.
Switched low when the stall prevention function has caused stall
prevention to be activated. Switched high when stall prevention is
reset (*2). Permissible load 24VDC 0.1A.
Switched low when instantaneous power failure or undervoltage
protection is activated (*2). Permissible load 24VDC 0.1A.
Switched low when the output frequency has reached or
exceeded the detection frequency set as appropriate. Switched
high when below the detection frequency (*2). Permissible load
24VDC 0.1A
Common to the RUN, SU, OL, IPF and FU terminals.
Factory setting of output item:
One selected from 16
monitoring items, such as
output frequency, is output. (*3)
The output signal is
Factory setting of output item:
proportional to the magnitude
of each monitoring item.
With the operation panel connector, communication can be made through RS-485.
·
Conforming Standard : EIA Standard RS-485
·
Transmission format
: Multi-drop link
·
Communication speed : Maximum 19200 baud rates
·
Overall length
: 500m
11
Output terminal
function selection
(Pr. 190 to
Pr. 195) change
terminal
functions.
Frequency
Permissible load current 1mA
1440 pulses/second at 60Hz
Frequency
Output signal 0 to 10VDC
Permissible load current 1mA

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