Item Specification
Protection
Functions
Motor Protection Momentary Motor overheat protection via output current sensor
Overcurrent Protection
Drives stops when output exceeds 200% of the rated current
(Heavy Duty)
Overload Protection
A stop command will be entered after operating at 150% for 60
s (Heavy Duty)
<3>
Low Voltage Protection
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 V), 350 V (3-phase 380 V)
Momentary Power Loss Ride-
Thru
Stops after 15 ms
Heatsink Overheat Protection Protected by thermistor
Braking Resistor Overheat
Protection
Overheat input signal for braking resistor (Optional ERF-type,
3% ED)
Stall Prevention
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.
Cooling Fan Failure Protection Circuit protection (“fan-lock” sensor)
Ground Protection
Electronic circuit protection (triggered by the same levels as
momentary current protection)
<4>
DC Bus Charge LED Remains lit until DC bus voltage falls below 50 V
Environment
Storage/Installation Area Indoors
Ambient Temperature
-10 to +40 °C (wall-mounted enclosure)
-10 to +50 °C (open chassis)
Humidity 95% RH or less with no condensation
Storage Temperature -20 to +60 °C allowed for short-term transport of the product
Altitude 1000 m or less
Shock, Impact
10 to 20 Hz: 9.8 m/s
2
20 to 55 Hz: 5.9 m/s
2
Surrounding Area
Install the drive in an area free from:
• oil mist and dust
• metal shavings, oil, water or other foreign materials
• radioactive materials
• combustible materials
• harmful gases and liquids
• excessive vibration
• chlorides
• direct sunlight
Orientation Install the drive vertically to maintain maximum cooling effects
Safety Regulations and Standards
Safe Disable Input according to UL508C, EN61508, SIL2; Time
from input open to drive output stop is less than 1 ms.
Protective Enclosure
Open-chassis (IP20)
Wall-mounted enclosure (NEMA Type 1)
<5>
A.4 Drive Specifications
192
YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
2/6/2008-14:44
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