Toshiba Power Supply VF PS1 User Manual

E6581364②  
TOSVERT VF-AS1/PS1  
Commercial Power Supply Backup and  
Commercial Power Supply/Inverter Switching  
Instruction Manual  
Technical information described in this document is used to explain typical operations and  
applications of products, and this is not intended to grant warranty or licensing right on its  
use regarding TOSHIBA group or a third party intellectual property and other right.  
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E6581364  
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  
MC1 *2  
PA/+  
PO  
PC/-  
PB  
For motor protection  
THR *4  
MC2 *3  
MC3 *2  
MCCB  
R/L1  
U/T1  
V/T2  
Motor  
S/L2  
T/L3  
Main circuit  
I M  
W/T3  
F
Run  
Control power supply  
backup option *1  
command  
R
ST  
Stand-by *7  
Reset *6  
+SU  
RES  
S1  
FLA  
FLB  
Control  
circuit  
Emergency  
stop *5  
S2  
FL  
FLC  
Protective action  
detection relay  
S3  
P24/PLC  
OUT1  
RY1  
RY2  
Common  
CC  
G / E  
OUT2  
NO  
CC  
AM CCA RX VI/II RR/S4  
OUT1 FM  
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.  
*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.  
f110 (Always ON function selection 1)  
f117 (Input terminal function selection: S3) = 6  
= 0  
2
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E6581364  
1.1.1. Switching circuit connection diagram, Time chart,  
Parameter settings  
Inverter  
trip occurs  
Inverter protective  
F L  
Speed detection time  
action signal  
FLA  
FLC  
Setting  
frequency  
FLX  
Frequency after speed is  
detected  
ON  
OFF  
0Hz  
X
Inverter-side switching wait  
time *2  
P24-OUT1(RY1)  
for inverter run  
output  
ON  
ON  
ON  
X
Commercial power  
switching wait time   
RY1  
(Inverter)  
P24-OUT2(RY2)  
for commercial  
power run output  
ON  
MC2  
Run signal  
F-CC  
ON  
MC2  
MC3  
MC1  
Stand-by signal  
ST-CC  
RY2  
(Commercial  
power)  
ON  
X
Reset signal  
RES-CC  
MC3  
X
Inverter run  
Commercial power run  
Inverter run  
F
Title  
Function  
Adjustment range  
0 to 3  
Setting value  
Output signal selection of commercial  
power/inverter switching  
1 (Automatic switching in case  
of trip)  
  
*3  
*3  
Inverter side switching waiting time  
0.1 to 10.0 seconds  
0.37 to 10.0 seconds  
Different for each model  
0.62  
Commercial power side switching waiting  
time  
20  
*1  
Input terminal selection #6 (S2)  
0 to 135  
0 to 119  
(Emergency stop)  
46  
Output terminal selection #1 (OUT1)  
(Commercial power/inverter  
switching output 1)  
  
48  
Output terminal selection #2 (OUT2)  
0 to 119  
(Commercial power/inverter  
switching output 2)  
  
*1:Be careful about Items 5 and 7 in 1.3, “Precautions.”  
*2:Due to internal processing timing, inverter-side wait time become 0.5 second longer than the setting value of   
*3: and  are included the operation time of the relay and the magnet contactor.  
In almost all cases, it is not necessary to change these parameter settings.  
3
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E6581364  
1.2. Standard connection diagram (Star-delta switching start)  
This is the circuit to switch the motor to commercial power supply Star Delta (star-delta) connection  
startup when the inverter’s protective function is activated.  
MC1 *2  
PA/+  
PO  
PC/-  
PB  
For motor protection  
THR *4  
MC2 *3  
MCY  
MC3 *2  
MCCB  
R/L1  
U/T1  
V/T2  
W/T3  
Motor  
S/L2  
T/L3  
Main circuit  
I M  
MCD  
Run  
command  
F
R
Control power supply  
backup option *1  
Stand-by *7  
Reset *6  
ST  
RES  
S1  
S2  
S3  
+SU  
FLA  
FLB  
Control  
circuit  
Emergency  
stop *5  
FL  
FLC  
Protective action  
detection relay  
P24/PLC  
OUT1  
CC  
Common  
RY1  
G / E  
RY2  
OUT2  
NO  
CC  
AM CCA RX VI/II RR/S4  
OUT1 FM  
PP  
*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.”  
*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.  
*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.  
f110 (Always ON function selection 1)  
f117 (Input terminal function selection: S3) = 6  
= 0  
4
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E6581364  
1.2.1. Switching circuit connection diagram, Time chart,  
Parameter settings  
Inverter protective  
action signal  
Inverter  
trip occurs  
F L  
Speed detection time  
FLA  
FLC  
FLX  
Setting  
frequency  
Frequency after speed is  
detected  
ON  
OFF  
0Hz  
X
Inverter-side switching  
wait time *2  
P24-OUT1(RY1)  
for inverter run  
output  
ON  
ON  
ON  
X
Commercial power  
switching wait time   
RY1  
(Inverter)  
P24-OUT2(RY2)  
for commercial  
power run output  
ON  
MC2  
Run signal  
F-CC  
ON  
MC2  
RY2  
(Commercial  
power)  
MC3  
MC1  
Stand-by signal  
ST-CC  
ON  
-Switching timer  
Reset signal  
RES-CC  
MC1  
X
Inverter run  
Inverter run  
Commercial power run  
MCD  
MCY  
MCD  
MCY  
MC3  
X
F
5
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E6581364  
Title  
Function  
Adjustment range  
0 to 3  
Setting value  
Output signal selection of commercial  
power/inverter switching  
1 (Automatic switching when  
tripped)  
  
*3  
*3  
Inverter side switching waiting time  
0.1 to 10.0 seconds  
0.37 to 10.0 seconds  
Different for each model  
0.62  
Commercial power side switching waiting  
time  
20  
*1  
Input terminal selection #6 (S2)  
0 to 135  
0 to 119  
(Emergency stop)  
46  
Output terminal selection #1 (OUT1)  
(Commercial power/inverter  
switching output 1)  
  
48  
Output terminal selection #2 (OUT2)  
0 to 119  
(Commercial power/inverter  
switching output 2)  
  
*1:Be careful about Items 5 and 7 in 1.3, “Precautions.”  
*2:Due to internal processing timing, inverter-side wait time become 0.5 second longer than the setting value of   
*3: and  are included the operation time of the relay and the magnet contactor.  
In almost all cases, it is not necessary to change these parameter settings.  
1.3. Precautions  
1. Make sure to interlock the magnetic contactor (MC3) on the inverter output side with the  
commercial power supply magnetic contactor (MC1).  
2. Magnetic contactor (MC2) can be omitted for normal operation but this is needed to isolate the  
inverter circuit in case a short-circuit fault occurs inside the inverter. Examine whether it should  
be installed or not considering the importance of the system concerned.  
3. Check to make sure the phase sequence of the inverter and that of the commercial power  
supply are the same beforehand to maintain the motor’s rotational direction unchanged before  
and after the power switching.  
4. In the  (Reverse-run prohibition), do not use the forward direction disable setting  
(=2). Switching to commercial power supply cannot be made because the inverter  
cannot run forward.  
5. If the cause of the inverter trip was OCL (short-circuit on the load side at startup), E (emergency  
stop) or EF1, 2 (ground fault), commercial power supply /inverter switching output 1, 2 (output  
terminal selection 46, 48) are both shut off and MC1 and MC3 on both inverter and commercial  
power supply sides disabled and unable to turn on.  
6. In case an inverter trip occurs, remove the cause of the protective action and then reset the  
inverter to start the inverter again.  
7. S2 terminal (emergency stop) can be omitted, but it is needed as a circuit to detect a motor  
overload when the motor is operated on commercial power supply. Examine whether it should  
be installed or not considering the importance of the system concerned.  
8. Regarding the selection of MCCB used when the backup circuit starts in star delta configuration,  
you have to consider the peak current when star connection is switched to delta connection.  
9. In the case the motor’s connection is star-delta, use delta connection when the inverter is  
running. (Do not switch star delta connection while the inverter is running.)  
6
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E6581364  
2. Commercial Power Supply/Inverter Switching  
The motor runs on commercial power supply under rated operating conditions and when the motor  
runs in energy saving mode with its input power frequency lowered, this circuit switches the motor  
to the inverter power without stopping the motor.  
2.1. Standard connection diagram  
MC1 *2  
PA/+  
PO  
PC/-  
PB  
For motor protection  
THR *4  
MC2 *3  
MC3 *2  
MCCB  
R/L1  
U/T1  
V/T2  
Motor  
S/L2  
T/L3  
Main circuit  
I M  
W/T3  
F
Run  
Control power supply  
backup option *1  
command  
R
ST  
Stand-by *7  
Reset *6  
+SU  
RES  
S1  
FLA  
FLB  
Control  
circuit  
Emergency  
stop *5  
S2  
FL  
FLC  
Protective action  
detection relay  
Commercial run  
switching signal  
S3  
P24/PLC  
OUT1  
RY1  
RY2  
Common  
CC  
G / E  
OUT2  
NO  
CC  
AM CCA RX VI/II RR/S4  
OUT1 FM  
PP  
*1: The control power supply backup option (Model: CPS002Z) is needed.  
*2: Observe the Item 1 in 2.2, “Precautions.”  
*3: See Item 2 in 2.2, “Precautions.”  
*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.  
*4: Be careful about Items 3 in 2.2, “Precautions.”  
*5: Be careful about Items 5 and 7 in 2.2, “Precautions.”  
*6: Be careful about Item 6 in 2.2, “Precautions.  
f110 (Always ON function selection 1)  
f115 (Input terminal function selection: S1) = 6  
= 0  
7
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E6581364  
2.1.1. Switching circuit connection diagram, Time chart,  
Parameter settings  
Commercial power switching  
frequency hold time  
Inverter protective  
F L  
Commercial power  
switching frequency  
action signal  
Speed detection time  
  
FLA  
FLC  
  
FLX  
Frequency after speed is  
detected  
Setting frequency  
(Commercial  
power)  
(Inverter)  
0Hz  
Inverter-side switching  
S3  
wait time *2  
P24-OUT1(RY1)  
for inverter run  
output  
ON  
ON  
S3  
Commercial power  
switching wait time   
P24-OUT2(RY2)  
for commercial  
power run output  
RY1(Inverter)  
ON  
MC2  
MC3  
Commercial power  
run switching signal  
S3-CC  
MC2  
ON  
Run signal  
F-CC  
RY2(Commercial  
power)  
ON  
ON  
MC1  
F
Stand-by signal  
ST-CC  
ON  
MC3  
Inverter run  
Commercial power run  
Inverter run  
Title  
Function  
Adjustment range  
0 to 3  
Setting value  
2 or 3  
Output signal selection of commercial  
power/inverter switching  
  
Commercial power/inverter switching  
frequency  
0 to   
Power supply frequency  
Different for each model  
0.62  
  
*3  
*3  
Inverter side switching waiting time  
0.1 to 10.0 seconds  
0.37 to 10.0 seconds  
Commercial power side switching waiting  
time  
Commercial power switching frequency  
holding time  
0.1 to 10.0 seconds  
0 to 135  
2.0  
  
20  
*1  
Input terminal selection #6 (S2)  
(Emergency stop)  
102  
Input terminal selection #7 (S3)  
0 to 135  
0 to 119  
(Commercial power run  
switching)  
  
  
46  
Output terminal selection #1 (OUT1)  
Output terminal selection #2 (OUT2)  
(Commercial power/inverter  
switching output 1)  
48  
0 to 119  
(Commercial power/inverter  
switching output 2)  
  
*1:Be careful about Items 5 and 7 in 2.2, “Precautions.”  
*2:Due to internal processing timing, inverter-side wait time become 0.5 second longer than the setting value of   
*3: and  are included the operation time of the relay and the magnet contactor.  
In almost all cases, it is not necessary to change these parameter settings.  
8
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E6581364  
2.2. Precautions  
1. Make sure to interlock the magnetic contactor (MC3) on the inverter output side with the  
commercial power supply magnetic contactor (MC1).  
2. Magnetic contactor (MC2) can be omitted for normal operation but this is needed to isolate the  
inverter circuit in case a short-circuit fault occurs inside the inverter. Examine whether it should  
be installed or not considering the importance of the system concerned.  
3. Check to make sure the phase sequence of the inverter and that of the commercial power  
supply are the same beforehand to maintain the motor’s rotational direction unchanged before  
and after the power switching.  
4. In the (Reverse-run prohibition), do not use the forward direction disable setting  
(=2). Switching to commercial power supply cannot be made because the inverter  
cannot run forward.  
5. If the cause of the inverter trip was OCL (short-circuit on the load side at startup), E (emergency  
stop) or EF1, 2 (ground fault), commercial power supply / inverter switching output 1, 2 (output  
terminal selection 46, 48) are both shut off and MC1 and MC3 on both inverter and commercial  
power supply sides disabled and unable to turn on.  
6. When the setting value for  (output signal selection of commercial power supply/inverter  
switching) is “2”, the system does not work even if the commercial power supply switching  
signal is turned on at the time of an inverter trip.  
To switch to commercial power supply, remove the cause of the protective action and reset the  
inverter and then enter the switching signal to switch to commercial power supply.  
7. S2 terminal (emergency stop) can be omitted, but it is needed as a circuit to detect a motor  
overload when the motor is operated on commercial power supply. Examine whether it should  
be installed or not considering the importance of the system concerned.  
9
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