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Motor Overload
Protection
Electronic thermal overload relay
Instantaneous Overcurrent
Motor coasts to a stop at approx. 250% or more of Inverter rated
current
Overload
Motor coasts to a stop after 1 minute at 150% of Inverter rated out-
put current
Overvoltage
Motor coasts to a stop if DC bus voltage exceeds 820 V
Undervoltage
Stops when DC bus voltage is approx. 400 V or less
Momentary Power Loss
The following items are selectable: Not provided (stops if power
loss is 15 ms or longer), continuous operation if power loss is ap-
prox. 0.5 s or shorter, continuous operation.
Heatsink Overheat
Protected by electronic circuit.
Stall Prevention Level
Can be set to individual levels during acceleration/constant-speed
operation, provided/not provided available during deceleration.
Cooling Fan Fault
Protected by electronic circuit (fan lock detection).
Ground Fault
*3
Protected by electronic circuit (overcurrent level).
Power Charge
Indication
ON until the DC bus voltage becomes 50 V or less. Charge LED is
provided.
Multi-func-
tion Input
Seven of the following input signals are selectable: Forward Run
Command, Reverse Run Command, Forward/Reverse Run (3-wire
sequence) Command, Fault Reset, external fault, multi-step speed
operation, Jog Command, acceleration/deceleration time select,
External Baseblock, Speed Search Command, Acceleration/Decel-
eration Hold Command, LOCAL/REMOTE selection, communica-
tion/control circuit terminal selection, emergency stop fault,
emergency stop alarm, Up/Down Command, self-test, PID control
cancel, PID integral reset/hold, Inverter overheat alarm
Multi-func-
tion Out-
put
*4
The following output signals are selectable (1 NO/NC contact out-
put, 2 photocoupler outputs):
Fault, running, zero speed, frequency agree, frequency detection,
overtorque detection, undertorque detection, minor error, base-
block, operating mode, Inverter run ready, fault retry, UV, speed
search, data output through communications, PID feedback loss
detection, frequency reference loss, Inverter overheat alarm
Standard Functions
Voltage vector control, full-range automatic torque boost, slip com-
pensation, DC injection braking current/time at startup/stop, fre-
quency reference bias/gain, MEMOBUS communications (RS-485/
422, max. 19.2 kbps), PID control, energy-saving control, constant
copy, frequency reference with built-in potentiometer, unit selection
for frequency reference setting/display, multi-function analog input
Voltage Class
400 V 3-phase
Model CIMR-V7TZ
3-phase
40P4-05
40P7-05
41P5-05
42P2-05
43P0-05
44P0-05
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