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Reference Of The Terminal Fm (pulse Train Output) And Am (analog Voltage Output) (pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867) - Mitsubishi Electric FR-A700 Instruction Manual

Fr-a700 series to 03460-na/09620-na/00330-n4/00170-n4.
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4.16.3 Reference of the terminal FM (pulse train output) and AM (analog voltage
output) (Pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867)
Two types of monitor output, pulse train output from the terminal FM and analog voltage output from the terminal
AM, are available. In addition, pulse train output by voltage output and by open collector output can be selected
for terminal FM.
Set the reference of the signal output from terminal FM and AM.
Parameter
Name
Number
Frequency monitoring
55 *
reference
Current monitoring
56 *
reference
Pulse train I/O
291
selection
Torque monitoring
866 *
reference
867
AM output filter
* The above parameters allow its setting to be changed during operation in any operation mode even if "0" (initial value) is set in Pr.
77 Parameter write selection.
(1) Pulse train output of the terminal FM (Pr. 291)
• Two types of pulse train can be output to the terminal FM.
FM output circuit
Inverter
24V
2.2K
3.3K
20K
FM
Calibration
resistor
*1
SD
Pulse width T1: Adjust using calibration parameter C0
Pulse cycle T2: Set with Pr. 55 (frequency monitor)
*1 Not needed when the operation panel (FR-DU07) or parameter unit (FR-PU04
This resistor is used when calibration must be made near the frequency meter for such a reason as a remote frequency meter.
Note that the needle of the frequency meter may not deflect to full-scale when the calibration resistor is connected. In this case, use this
resistor and operation panel or parameter unit together.
*2 The initial setting is 1mA full-scale and 1440 pulse/s teminal FM frequency at 60Hz.
Setting Range
Initial
200V class
Value
(400V class)
60Hz
0 to 400Hz
02150
(01100)
Rated
or less
inverter
02880
current
(01440)
or more
0
100
150%
0 to 400%
0.01s
0 to 5s
• When Pr. 291 Pulse train I/O selection = "0 (initial value) or 1",
FM
• Output frequency, etc. of the inverter can be indicated by
SD
Indicator
1mA full-scale
analog meter
1mA
(+)
(-)
8VDC
Set with Pr.56 (current monitor)
Monitor display and monitor output signal
Set the full-scale value to output the output frequency
monitor value to terminal FM and AM.
0 to
500A
Set the full-scale value to output the output current
monitor value to terminal FM and AM.
0 to
3600A
Pulse train input Pulse train output
0
Terminal JOG
1
Pulse train input FM output
10
Terminal JOG
11
Pulse train input High speed pulse train output (50%Duty)
20
Terminal JOG
21
Pulse train input
Pulse train input
Set the full-scale value to output the torque monitor value
to terminal FM and AM.
Set the output filter of terminal AM.
FM output is selected and pulse train with maximum of
8VDC 2400pulses/s is output.
The pulse width can be adjusted by calibration parameter C0
(Pr. 900) FM terminal calibration using the operation panel
and parameter unit.
connecting a DC ammeter of full-scale 1mA, digital indicator,
etc.
FM
T1
SD
T2
/FR-PU07
) is used for calibration.
Description
FM output
High speed pulse train output (50%Duty)
High speed pulse train output (ON
width is always same)
High speed pulse train output (ON
width is always same)
High speed pulse train output (ON
width is always same)
The inverter outputs the signal input
as pulse train as is
(Digital indicator)
(-)
1440 pulses/s(+)
4
255

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