Mitsubishi F700 Series - Page 122

111
Motor brake and stop operation
4
PARAMETERS
 The following shows the connection diagram when switching to DC power supply using inverter power failure
detection.
*1 Assign the function using Pr. 178 to Pr. 189 (input terminal function selection).
*2 Assign the function using Pr. 190 to Pr. 196 (output terminal function selection).
 Operation example 1 at power failure
DC power
R/L1
S/L2
T/L3
U
V
W
P/+
N/-
SE
Y85
IM
STF
STR
X70
X71
PC
R1/L11
S1/L21
Earth
(Ground)
10
2
2
3
1
5
(+)
(-)
*1
MC1
Three-phase AC
power supply
DC feeding permission signal
DC feeding cancel signal
Contact input common
Reverse rotation start
Forward rotation start
*1
*2
Inverter
Inrush
current
limit circuit
Frequency command
Frequency setting
potentiometer
1/2W1kΩ
24VDC
MCCB MC
DC feeding signal
MC1
Time
ON
ON
Back up operation
Motor
coasting
STF(STR)
DC power supplyAC power supply
ON
AC power supply
ON
Y85(MC)
ON
X70
ON
X71
Control power
supply
Output
frequency
(Hz)
Approx. 150ms