Commercial Power Supply Backup; Standard Connection Diagram - Toshiba TOSVERT VF-AS1 Instruction Manual

1. Commercial Power Supply Backup

When the inverter's protective function is activated, switching power to commercial power supply
makes the motor run immediately.

1.1. Standard connection diagram

MCCB
Control power supply
backup option
*1: The control power supply backup option (Model: CPS002Z) is needed.
*2: Observe the Item 1 in 1.3, "Precautions."
*3: See Item 2 in 1.3, "Precautions."
*4: Be careful about Items 3 in 1.3, "Precautions."
*5: Be careful about Items 5 and 7 in 1.3, "Precautions."
*6: Be careful about Item 6 in 1.3, "Precautions.
PO PA/+
*3
MC2
R/L1
S/L2
T/L3
*1
+SU
FLA
FLB
FLC
P24/PLC
RY1
OUT1
OUT2
RY2
NO
CC
AM
OUT1 FM
*2
MC1
PC/- PB
U/T1
V/T2
Main circuit
W/T3
F
R
ST
RES
S1
Control
circuit
S2
FL
Protective action
S3
detection relay
CC
G / E
CCA RX VI/II RR/S4 PP
*7: VF-AS1's 'WP1/WN1' model and VF-PS1 don't have 'ST'
terminal. Please set next parameter for use 'S3' terminal as
'ST' function.
f110 (Always ON function selection 1)
f117 (Input terminal function selection: S3) = 6
2
E 6 5 8 1 3 6 4
For motor protection
*4
THR
*2
MC3
Run
command
*7
Stand-by
*6
Reset
Emergency
*5
stop
Common
Motor
I M
= 0