Справочник Пользователя для Mitsubishi Electronics FR-F740P
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Monitor display and monitor output signal
4.12 Monitor display and monitor output signal
4.12.1 Speed display and speed setting (Pr. 37, Pr. 144, Pr. 505)
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 201)
*1
Performing IPM parameter initialization sets back the settings to the initial settings. (Refer to page 80)
*2
Performing IPM parameter initialization changes the settings. (Refer to page 80)
*3
The maximum value of the setting range differs according to the Pr.1 Maximum frequency and it can be calculated from the following formula.
Note that Pr.37 (set maximum value) is 9998 if the result of the above formula exceeds 9998.
⋅ To display the machine speed, set in Pr. 37 the machine speed for operation with frequency set in Pr. 505. For
example, when Pr. 505 = "60Hz" and Pr. 37 = "1000", "1000" is displayed on the running speed monitor when the
running frequency is 60Hz. When running frequency is 30Hz, "500" is displayed.
running frequency is 60Hz. When running frequency is 30Hz, "500" is displayed.
⋅ When displaying the motor speed, set the number of motor poles (2, 4, 6, 8, 10) or number of motor poles + 100
(102, 104, 106, 108, 110) to Pr. 144.
⋅ When both Pr. 37 and Pr. 144 have been set, their priorities are as given below.
Pr. 144, 102 to 110
> Pr. 37, 1 to 9998 > Pr. 144, 2 to 10
⋅ A combination of the Pr. 37 and Pr. 144 settings determines the setting increment of monitored items as shown in the
table below. (The increments within the bold frame are the initial increments.)
Purpose
Parameter that must be set
Refer to
Page
Display motor speed
Set speed
Speed display and speed setting
Pr. 37, Pr. 144, Pr. 505
Change PU monitor display data
DU/PU main display data selection
Cumulative monitor clear
Pr. 52, Pr. 170, Pr. 171,
Pr. 268, Pr. 891
Change of the monitor output from
terminal FM and AM
Terminal FM, AM function selection
Pr. 54, Pr. 158
Set the reference of the monitor
output from terminal FM and AM
Setting of reference of terminal FM and AM
Pr. 55, Pr. 56, Pr. 867
Adjust terminal FM, AM outputs
Terminal FM, AM calibration
Pr. 900, Pr. 901
You can change the PU (FR-DU07/FR-PU04/FR-PU07) monitor display or frequency setting to motor speed or
machine speed.
machine speed.
Parameter
Number
Name
Initial Value
Setting Range
Description
37
Speed display
0
Frequency display, setting
1 to 9998
Set the machine speed at Pr.505.
144
Speed setting switchover
0, 2, 4, 6, 8, 10, 102,
104, 106, 108, 110
Set the number of motor poles when
displaying the motor speed.
displaying the motor speed.
505
Speed setting reference
60Hz
1 to 120Hz
Set the reference speed for Pr. 37.
Pr.37 (set maximum value)
<
65535 x Pr. 505 setting (Hz)
Pr.1(Hz)
Pr. 37
Setting
Pr. 144
Setting
Output Frequency
Monitor
Set Frequency
Monitor
Running Speed
Monitor
Frequency Setting
Parameter Setting
0
(initial
value)
value)
0
0.01Hz
0.01Hz
1r/min
0.01Hz
2 to 10
0.01Hz
0.01Hz
1r/min
0.01Hz
102 to 110
1r/min
1r/min
1r/min
1r/min
1 to 9998
0
0.01Hz
0.01Hz
1 (Machine speed
0.01Hz
2 to 10
1 (Machine speed
1 (Machine speed
1 (Machine speed
1 (Machine speed
102 to 110
0.01Hz
0.01Hz
1r/min
0.01Hz
*1
Motor speed r/min conversion formula............ frequency
× 120/number of motor poles (Pr. 144)
Machine speed conversion formula...................Pr. 37
× frequency/Pr. 505 setting (Hz)
For Pr. 144 in the above formula, the value is "Pr. 144-100" when "102 to 110" is set in Pr. 144 and the value is "4" when Pr. 37 = 0 and Pr. 144 = 0.
Pr. 505 is always set as frequency (Hz).
Pr. 505 is always set as frequency (Hz).