Snd Rating; Snd Rating Multiple Rating Setting - Mitsubishi Electric A800 Plus Series Function Manual

1.2

SND rating

1.2.1
Multiple rating setting
Five rating types of different rated current and permissible load are available. The optimal inverter rating can be chosen
in accordance with the application, enabling equipment size to be reduced.
As well as the ratings of the FR-A800 standard type inverters, the SND rating is available for the FR-A800-R2R series.
Pr. Name
570
Multiple rating setting
E301
Changeover of the parameter initial values and setting ranges
• When inverter reset and all parameter clear are performed after setting Pr.570, the parameter initial values are changed
according to each rating as follows.
Name
Pr.
0 Torque boost
7 Acceleration time
8 Deceleration time
9 Electronic thermal O/L relay
12 DC injection brake operation voltage
22 Stall prevention operation level
Second stall prevention operation
48
level
56 Current monitoring reference
114 Third stall prevention operation level 110%
148 Stall prevention level at 0 V input
149 Stall prevention level at 10 V input
150 Output current detection level
Stall prevention operation level for
165
restart
Current average value monitor
557
signal output reference current
874 OLT level setting
Energy saving monitor reference
893
(motor capacity)
Setting
Initial value
range
0
1
2 2
3
12
0 1
∗1 ∗1
∗1 ∗1
∗1 ∗1
SLD rated LD rated
current current
∗2 ∗2
∗1 ∗1
110% 120%
110% 120%
SLD rated LD rated
current current
∗2 ∗2
120%
110% 120%
120% 150%
110% 120%
110% 120%
SLD rated LD rated
current current
∗2 ∗2
110% 120%
SLD rated motor LD rated motor
capacity capacity
∗2 ∗2
Description (overload current rating,
surrounding air temperature)
SLD rating
110% 60 s, 120% 3 s (inverse-time characteristics)
Surrounding air temperature of 40°C
LD rating
120% 60 s, 150% 3 s (inverse-time characteristics)
Surrounding air temperature of 50°C
ND rating
150% 60 s, 200% 3 s (inverse-time characteristics)
Surrounding air temperature of 50°C
HD rating
200% 60 s, 250% 3 s (inverse-time characteristics)
Surrounding air temperature of 50°C
SND rating
150% 60 s (inverse-time characteristics)
Surrounding air temperature of 50°C
Pr.570 setting
2 (initial
3
value)
∗1 ∗1
∗1 ∗1
∗1 ∗1
ND rated HD rated
current current
∗2∗3 ∗2∗3
∗1 ∗1
150% 200%
150% 200%
ND rated HD rated
current current
∗2 ∗2
150% 200%
150% 200%
200% 250%
150% 200%
150% 200%
ND rated HD rated
current current
∗2 ∗2
150% 200%
ND rated motor HD rated motor
capacity capacity
∗2 ∗2
INTRODUCTION
SND rating
1
12
∗1
∗1
∗1
SND rated
current
∗2
∗1
150%
150%
SND rated
current
∗2
150%
150%
200%
150%
150%
SND rated
current
∗2
150%
SND rated motor
capacity
∗2
7