Monitor Display And Monitor Output Signal; Speed Display And Speed Setting (Pr. 37, Pr. 144, Pr. 505) - Mitsubishi FR-F720-00046-NA Instruction Manual

4.11 Monitor display and monitor output signal

Purpose
Display motor speed
Set speed
Change PU monitor display data
Change of the monitor output from
terminal CA and AM
Set the reference of the monitor
output from terminal CA and AM
Adjust terminal CA, AM outputs

4.11.1 Speed display and speed setting (Pr. 37, Pr. 144, Pr. 505)

You can change the PU (FR-DU07/FR-PU04/FR-PU07) monitor display or frequency setting to motor speed or
machine speed.
Parameter
Name
Number
37 Speed display
144 Speed setting switchover
505
Speed setting reference
...... The specification differs according to the manufacture date. Refer to page 399 and check the SERIAL.
*1 The maximum value of the setting range differs according to the Pr.1 Maximum frequency and it can be calculated from the following formula.
Pr.37 (set maximum value)
Note that Pr.37 (set maximum value) is 9998 if the result of the above formula exceeds 9998.
*2 The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 192)
⋅ 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.
⋅ 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
⋅ When the running speed monitor is selected, each monitor and setting are determined by the combination of Pr. 37
and Pr. 144 as listed below. (The units within the thick frame are the initial values.)
Pr. 37 Pr. 144
Setting Setting
0
0
(initial 2 to 10
value)
102 to 110
0
1 to 9998 2 to 10
102 to 110
Motor speed r/min conversion formula............ frequency × 120/number of motor poles (Pr. 144)
*1
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.
*2 The increments for Hz are 0.01Hz, machine speed are 1m/min, and r/min are 1r/min.
*3 Pr. 505 is always set as frequency (Hz).
Speed display and speed setting
DU/PU main display data selection
Cumulative monitor clear
Terminal CA, AM function selection
Setting of reference of terminal CA and AM
Terminal CA, AM calibration
Initial Value
0
4
60Hz
65535 x Pr.505
<
Pr.1(Hz)
Output Frequency Set Frequency
Monitor
Hz
Hz
r/min
*1
Hz
Machine speed Machine speed
*1
Hz

Monitor display and monitor output signal

Parameter that must be set
Pr. 54, Pr. 158, Pr. 867, Pr. 869
Pr. 900, Pr. 901, Pr. 930, Pr. 931
Setting Range
0 Frequency display, setting
1 to 9998 Set the machine speed at 60Hz.
*1
0, 2, 4, 6, 8, 10, 102, Set the number of motor poles when
104, 106, 108, 110 displaying the motor speed.
1 to 120Hz Set the reference speed for Pr. 37.
Running Speed
Monitor Monitor
Hz r/min
Hz r/min
r/min r/min
*1
Hz Machine speed
Machine speed
*1
Hz r/min
Refer to
Page
Pr. 37, Pr. 144, Pr. 505
Pr. 52, Pr. 170, Pr. 171,
Pr. 268, Pr. 891
Pr. 55, Pr. 56, Pr. 867
Description
Frequency Setting
Parameter Setting
Hz
*1
Hz
*1
r/min
*1 *1
Hz
*1
Machine speed
*1
Hz
*1
141
143
143
149
151
4
*1
141