Mitsubishi FR-A740-00023-EC - Multiple Rating (Pr. 570)

149
Adjust the output torque of the motor (current)
4
PARAMETERS
4.8.5 Multiple rating (Pr. 570)
* This function is valid for V/F control only. This parameter can be set only when "9999" is set in Pr. 80, Pr. 81, Pr. 453, and Pr. 454.
(1) Parameters whose initial value and setting range are changed by Pr. 570 Multiple rating
setting
• The initial value and setting range of the following parameters are changed by performing reset and all parameter
clear after changing this parameter setting.
• Reflect the Pr. 570 setting in the following procedure.
1) Change the Pr. 570 setting.
2) Reset the inverter.
3) Perform all parameter clear.
You can use the inverter by changing the overload current rating specifications according to load applications.
Note that the control rating of each function changes.
Parameter
Number
Name Initial Value
Setting
Range
Description
570 Multiple rating setting 2
0 *
SLD
Ambient temperature 40°C,
Overload current rating 110% 60s, 120% 3s
(Inverse time characteristics)
1 *
LD
Ambient temperature 50°C,
Overload current rating 120% 60s, 150% 3s
(Inverse time characteristics)
2
ND
Ambient temperature 50°C,
Overload current rating 150% 60s, 200% 3s
(Inverse time characteristics)
3
HD
Ambient temperature 50°C,
Overload current rating 200% 60s, 250% 3s
(Inverse time characteristics)
Parameter
Number
Name
Pr. 570 Setting
Refer
to
Page
0 1
2
(initial value)
3
9
Electronic thermal
O/L relay
Initial Value
SLD rated
current
*1
LD rated
current
*1
ND rated
current
*1
HD rated
current
*1
175
22
Stall prevention
operation level
Setting Range 0 to 400% 0 to 400% 0 to 400% 0 to 400%
94,
144
Initial Value 110% 120% 150% 200%
23
Stall prevention operation
level compensation factor
at double speed
Setting Range
0 to 150%,
9999
0 to 200%,
9999
0 to 200%,
9999
0 to 200%,
9999
144
Initial Value 9999 9999 9999 9999
48
Second stall
prevention operation
current
Setting Range 0 to 120% 0 to 150% 0 to 220% 0 to 280%
144
Initial Value
110% 120% 150% 200%
56
Current monitoring
reference
Initial Value
SLD rated
current
*1
LD rated
current
*1
ND rated
current
*1
HD rated
current
*1
249
62
Reference value at
acceleration
Setting Range 0 to 120% 0 to 150% 0 to 220% 0 to 280%
173
Initial Value
9999 9999 9999 9999
63
Reference value at
deceleration
Setting Range
0 to 120% 0 to 150% 0 to 220% 0 to 280%
173
Initial Value
9999 9999 9999 9999
114
Third stall prevention
operation current
Setting Range
0 to 120% 0 to 150% 0 to 220% 0 to 280%
144
Initial Value 110% 120% 150% 200%
148
Stall prevention level
at 0V input
Setting Range 0 to 120% 0 to 150% 0 to 220% 0 to 280%
144
Initial Value
110% 120% 150% 200%
149
Stall prevention level
at 10V input
Setting Range
0 to 120% 0 to 150% 0 to 220% 0 to 280%
144
Initial Value
120% 150% 200% 250%
150
Output current
detection level
Setting Range
0 to 120% 0 to 150% 0 to 220% 0 to 280%
239
Initial Value 110% 120% 150% 200%