Mitsubishi Electric FR-A820-00046 (0.4K), Instruction Manual

Page: 699 / 1218

Parameters (A) Application parameters
FR-A800 5 - 497
5.14.2 Self power management
By turning ON the magnetic contactor (MC) on the input side before the motor is started and turning
OFF the MC after the motor is stopped, power is not supplied to the main circuit, reducing the standby
power.
Connection diagram
●
Terminal R1, S1 inputs
Pr. Name
Initial
value
Setting
range
Description
248
A006
Self power management
selection
0
0 Self power management function disabled
1
Self power management function enabled (main
circuit OFF at protective function activation)
2
Self power management function enabled (main
circuit OFF at protective function activation due to a
circuit failure)
137
A002
Start waiting time 0.5 s 0 to 100 s
Set a time period that is a little longer than the time
period from the ON signal input to the actual pick-up
operation of MC1 (0.3 to 0.5 s).
254
A007
Main circuit power OFF
waiting time
600 s
1 to 3600 s
Set the waiting time until the main circuit power
supply is turned OFF after the motor is stopped.
9999
The main circuit power supply is turned OFF only
when the protective function selected by Pr. 248 is
activated.
30
E300
Regenerative function
selection
0
100, 101
Power supply to the inverter:
AC (terminals R, S, and T)
When power is supplied only to the control circuit,
and then switched to be supplied to both the control
and main circuits, inverter reset is not performed.
0 to 2, 10, 11,
20, 21, 102,
110, 111,
120, 121
For other settings, refer to page 5-713.
I002836E_G
Fig. 5-230: Power input via terminals R1 and S1
V/F V/F V/F Magnetic flux Magnetic flux Magnetic flux
PM PM PM
MC1
MC1
R/L1
S/L2
T/L3
R1/L11
S1/L21
U
V
W
M
MC1
SE
MCCB MC1
R/L1
S/L2
T/L3
R1/L11
S1/L21
U
V
W
M
MC1
SE
MC1
MCCB
R1/L11
S1/L21
P/+
N/- P/+
N/-
RDA X10
RSO RES
Y17 X94
SE PC
24
V DC
Separated converter type
24 V DC
Standard models
Inverter Converter unit Inverter