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84
Description of parameters
3.4.12 Reference of the terminal FM (pulse train output) and terminal AM (analog output)
(Pr. 45, Pr. 49, Pr. 51, Pr. 53, Pr. 55, Pr. 56)
(1) Reference for power supply frequency monitor (Pr. 49)
For the calibration of terminal FM, set the full-scale value of the connected meter when the pulse speed of the terminal FM
is 1440 pulses/s.
Set the frequency to be indicated as the full-scale value on the frequency meter (1mA analog meter) connected between
terminal FM and SD.
The pulse speed is proportional to the power supply frequency. (The maximum pulse train output is 2400 pulses/s.)
For the calibration of terminal AM, set the full-scale value of the connected meter when output voltage of terminal AM is
10VDC.
Set the frequency to be indicated as the full-scale value on the meter (10VDC voltmeter) connected between terminal AM
and 5.
Output voltage is proportional to the frequency. (Maximum output voltage is 10VDC.)
Two types of monitor output, pulse train output from the terminal FM and analog voltage output from the terminal AM,
are available.
Set the reference of the signal output from the terminals FM and AM.
Parameter
Number
Name Initial value Setting range Description
45 AM output filter 0.01s 0 to 5s Set the output filter of terminal AM.
49
Power supply frequency
monitoring reference
60Hz 45Hz to 65Hz
Set the full-scale value when outputting the power
supply frequency monitor value from terminal FM or AM.
51
Input power monitoring
reference
Rated
converter
power
55K or
lower
0 to
100kW Set the full-scale value when outputting the input power
monitor value from terminal FM or AM.75K or
higher
0 to
3600kW
53
Input voltage monitoring
reference
200V
class
220V
0 to 500V
Set the full-scale value when outputting the input
voltage monitor value from terminal FM or AM.400V
class
440V
55
Bus voltage monitoring
reference
200V
class
340V
0 to 1000V
Set the full-scale value when outputting the bus voltage
monitor value from terminal FM or AM.400V
class
680V
56
Current monitoring
reference
Rated
converter
current
55K or
lower
0 to
500A Set the full-scale value when outputting the input current
monitor value from terminal FM or AM.75K or
higher
0 to
3600A
60Hz
(initial value)
0Hz
Setting range of Pr. 49
Pulse speed (pulses/s)
2400
1440
Output voltage
10VDC
65Hz
60Hz
(initial value)
0Hz
Setting range of Pr. 49
65Hz
45Hz
45Hz
0V
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