
(M) Monitor display and monitor output signal
345
5
GROUP
M
5.11.1
Speed display and rotations per minute setting
The maximum value of the setting range differs according to the
Pr.1 Maximum frequency
,
Pr.505 Speed setting reference
, and it can be
calculated from the following formula.
The maximum value of
Pr.37
< 65535
Pr.505
/
Pr.1
setting value (Hz).
The maximum setting value of
Pr.37
is 9998 if the result of the above formula exceeds 9998.
Display in speed (Pr.37, Pr.144)
• Set the number of motor poles (2, 4, 6, 8, 10, 12) for
Pr.144
, or the number of motor poles + 100 (102, 104, 106, 108, 110, 112) to
display the motor speed.
• The
Pr.144
setting will change automatically when setting the motor poles with
Pr.81 Number of motor poles
.
Pr.81
will
not automatically change when
Pr.144
is changed.
Example 1) Changing the initial value of
Pr.81
to "2" will change
Pr.144
from "4" to "2".
Example 2) When setting
Pr.81
= "2" while
Pr.144
= "104",
Pr.144
will change from "104" to "102".
Display in motor speed (Pr.37, Pr.505)
• To display in the machine speed, set
Pr.37
to the machine speed at the frequency set in
Pr.505
.
• For example, when
Pr.505
is set to 60 Hz and
Pr.37
is set to "1000", the operation panel indicates "1000" as the monitor
value of machine speed while the output frequency is 60 Hz. "500" is displayed while the output frequency is 30 Hz.
Changing the monitored value and speed setting increment (Pr.811)
• When
Pr.811
= "1 or 11", the speed setting for PU input and RS-485 communication, speed setting from communication
option and the running speed monitor will be in increments of 0.1 r/min.
• For availability of changing the speed setting increments via communication options, refer to the Instruction Manual of each
communication option.
• Refer to
for details of the setting increments for the torque limit level.
The monitor display unit and the frequency setting on the operation panel can be switched to motor speed and machine
speed.
Pr.
Name
Initial value
Setting range
Description
37
M000
Speed display
0
0
Frequency display and setting
1 to 9998
Set the machine speed for
Pr.505
.
505
M001
Speed setting
reference
60 Hz
1 to 590 Hz
Set the reference speed for
Pr.37
.
144
M002
Speed setting
switchover
4
0, 2, 4, 6, 8, 10, 12,
102, 104, 106, 108,
110, 112
Set the number of motor poles when displaying the motor
speed.
811
D030
Set resolution
switchover
0
Speed setting, running
speed monitor
increments on PU, RS-
485 communication,
communication options
Torque limit setting
increments
Pr.22, Pr.812 to Pr.817
0
1 r/min
0.1%
1
0.1 r/min
10
1 r/min
0.01%
11
0.1 r/min
Содержание 800 Series
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