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7 Detailed Functions
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
7-4 Detailed Functions (Group b)
7
7-4 Detailed Functions (Group b)
This section describes the detailed function parameters associated with operation or protection.
• The Power Interruption/Undervoltage Restart Selection (b001) can be used to select whether the
inverter trips or restarts if a momentary power interruption or undervoltage occurs.
• The Overvoltage/Overcurrent Restart Selection (b008) can be used select whether the inverter trips
or restarts if an overvoltage or overcurrent occurs.
• When the Power Interruption/Undervoltage Restart Selection (b001) is set to one of the restart
options, the inverter repeats restart operation for the number of times set in the Power Interruption
Restart Count (b005) in the event of a power interruption, or for the number of times set in the
Undervoltage Restart Count (b009) in the event of an undervoltage, and then trips.
When b009 is set to No limit, the inverter does not trip.
• When the Overvoltage/Overcurrent Restart Selection (b008) is set to one of the restart options, the
inverter repeats restart operation for the number of times set in the Overvoltage/Overcurrent Restart
Count (b010) in the event of an overvoltage or overcurrent and then trip.
• In the Power Interruption/Undervoltage Trip Selection During Stop (b004), select conditions of the
inverter judges the occurrence of a power interruption or undervoltage during stop as a trip cause.
• The Power Interruption/Undervoltage Restart Selection (b001) and Overvoltage/Overcurrent Restart
Selection (b008) provide restart options that you can select according to your system (0-Hz
restart/Frequency matching restart/Trip after frequency matching deceleration stop/Frequency pull-in
restart).
• If the inverter is in an undervoltage state continuously for 40 seconds during restart operation, an
Undervoltage protection (E09) trip will occur.
Restart during Power Interruption, Undervoltage/Overvoltage, Overcurrent
Restart during Power Interruption, Undervoltage/Overvoltage,
Overcurrent
Parameter
No.
Function name Data Default data Unit
b001
Power Interruption/
Undervoltage
Restart
Selection
*1*2
00: Trip
01: 0-Hz restart
02: Frequency matching restart (Example 1)
*3
03: Trip after frequency matching deceleration
stop
*3*4
04: Frequency pull-in restart (Example 1)
*3
00 –
b002
Allowable Power
Interruption Time
0.3 to 25.0 1.0 –
b003
Restart Standby
Time
0.3 to 100.0 1.0 s
b004
Power Interruption/
Undervoltage Trip
Selection During
Stop
*1*5
00: Disabled
01: Enabled
02: Disabled during stop and deceleration stop
00 –
b005
Power Interruption
Restart Count
00: 16 times
01: No limit
00 –
b007
Frequency
Matching Lower
Limit Frequency
0.00 to 99.99
100.0 to 400.0 (Examples 3 and 4)
0.00 Hz
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