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Yaskawa VS mini J7 Series User Manual

Page 19

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19

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Motor Overload Protection

Electronic thermal overload relay

Instantaneous Over Current

Motor coasts to a stop at approx. 200% of inverter
rated current

Overload

Motor coasts to a stop after 1 minute at 150% of
inverter rated output current

Over Voltage

Motor coasts to a stop if DC bus voltage exceed
820V

Under Voltage

Stops when DC bus voltage is approx. 400V or less

Momentary Power Loss

Following items are selectable: Not provided (stops if
power loss is 15ms or longer), continuous operation
if power loss is approx. 0.5s or shorter, continuous
operation

Cooling Fin Overheat

Protected by electronic circuit

Stall Prevention Level

Individual levels during accel/running, enable/disable
provided during deceleration.

Cooling Fan Fault

Protected by electronic circuit (fan stalling detection)

Ground Fault

Protected by electronic circuit (rated output current
level)

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Power Charge Indication

Charge LED is provided
On until the DC bus voltage becomes 50V or less.

Inpu

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Multi-function Input

Four of the following input signals are selectable:
Reverse run (3-wire sequence), fault reset, external
fault (NO/NC contact input), multi-step speed
operation, Jog command, accel/decel time select,
external baseblock (NO/NC contact input), speed
search command, accel/decel hold command,
LOCAL/REMOTE selection, communication/control
circuit terminal selection, emergency stop fault,
emergency stop alarm

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Multi-function Output

Following output signals are selectable (1 NO/NC
contact output,):
Fault, running, zero speed, at frequency, frequency
detection (output frequency

or

set value), during

over torque detection, during under voltage
detection, minor error, during baseblock, operation
mode, inverter run ready, during fault retry, during
UV, during speed search, data output through
communication

Standard Functions

Full-range automatic torque boost, slip
compensation, DC injection braking current/time at
start/stop frequency reference bias/gain, frequency
reference with built-in volume, [MEMOBUS
communications (RS-485/422, max. 19.2K).]

Voltage Class

400V 3-phase

Model

CIMR-J7A!!!!

3-phase

40P2

40P4

40P7

41P5

42P2

43P7