Self Power Management - Mitsubishi Electric FR-A820-00046 Instruction Manual

Parameters
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.
Pr.
248
A006
137
A002
254
A007
30
E300
Connection diagram
● Terminal R1, S1 inputs
MCCB
Fig. 5-230:
FR-A800
V/F V/F V/F
Name
Self power management
selection
Start waiting time
Main circuit power OFF
waiting time
Regenerative function
selection
Inverter
MC1
R/L1 U
S/L2 V
T/L3 W
R1/L11
S1/L21
MC1
MC1
SE
Standard models
Power input via terminals R1 and S1
PM PM PM
Magnetic flux Magnetic flux Magnetic flux
Initial Setting
Description
value range
0 Self power management function disabled
Self power management function enabled (main
1
circuit OFF at protective function activation)
0
Self power management function enabled (main
2 circuit OFF at protective function activation due to a
circuit failure)
Set a time period that is a little longer than the time
0.5 s 0 to 100 s period from the ON signal input to the actual pick-up
operation of MC1 (0.3 to 0.5 s).
Set the waiting time until the main circuit power
1 to 3600 s
supply is turned OFF after the motor is stopped.
600 s
The main circuit power supply is turned OFF only
9999 when the protective function selected by Pr. 248 is
activated.
Power supply to the inverter:
AC (terminals R, S, and T)
100, 101 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
0 to 2, 10, 11,
20, 21, 102,
For other settings, refer to page 5-713.
110, 111,
120, 121
Converter unit
MCCB MC1
R/L1
M
S/L2
T/L3
R1/L11
S1/L21
24 V DC
(A) Application parameters
Inverter
P/+ P/+ U
N/- N/- V
W
RDA X10
RSO RES
Y17 X94
MC1
SE PC
R1/L11
S1/L21 SE
Separated converter type
M
MC1
I002836E_G
5 - 497