YASKAWA CIMR-JC4A0002BAA Quick Start Manual page 204

Item
Motor Protection
Overcurrent
Overload Protection
Overvoltage
Specification
Low Voltage
Momentary Power
Loss Ride-Thru
Protection
Functions Heatsink Overheat
Braking Resistor
Overheat Protection Overheat input signal for braking resistor (Optional ERF-type, 3% ED)
Stall Prevention
Cooling Fan Failure
Ground Fault
DC Bus Charge LED Remains lit until DC bus voltage falls below 50 V
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide
Motor overheat protection via output current sensor
Drives stops when output exceeds 200% of the rated current (Heavy
Protection Duty)
A stop command will be entered after operating at 150% for 60 s (Heavy
<3>
Duty)
200 V class: Stops when DC bus voltage exceeds approximately 410 V
400 V class: Stops when DC bus voltage exceeds approximately 820 V
Drive stops when DC bus voltage falls below the levels indicated:
190 V (3-phase 200 V), 160 V (single-phase 200 V), 380 V (3-phase 400
Protection
V), 350 V (3-phase 380 V)
Stops after 15 ms
Protected by thermistor
Protection
During acceleration and during run: Separate settings for each type of
stall prevention determine the current level at which stall prevention is
triggered.
During deceleration: Select, enable/disable.
Circuit protection ("fan-lock" sensor)
Protection
Electronic circuit protection
Protection
http://nicontrols.com
A.4 Drive Specifications
Specification
<4>
A
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