Specifications
10
10.5 Common Drive Specifications
YASKAWA SIEPC71061737B GA800 Drive Technical Reference 441
Item Specification
Undervoltage
Protection
200 V class: Stops when the DC bus voltage decreases to less than approximately 190 V
400 V class: Stops when the DC bus voltage decreases to less than approximately 380 V
Momentary Power
Loss Ride-thru
Stops when power loss is longer than 15 ms.
Continues operation if power loss is shorter than 2 s (depending on parameter settings).
Note:
• Stop time may be shortened depending on the load and motor speed.
• Drive capacity will change the continuous operation time. A Momentary Power Loss Recovery Unit is necessary to continue operation through a 2 s
power loss on models 2004 to 2056 and 4002 to 4031.
Heatsink Overheat
Protection
Thermistor
Braking Resistor
Overheat Protection
Overheat detection for braking resistor (optional ERF-type, 3% ED)
Stall Prevention
Stall prevention is available during acceleration, deceleration, and during run.
Ground Fault
Protection
Electronic circuit protection
Note:
This protection detects ground faults during run. The drive will not provide protection when:
• There is a low-resistance ground fault for the motor cable or terminal block
• Energizing the drive when there is a ground fault.
DC Bus Charge LED
Charge LED illuminates when DC bus voltage is more than 50 V.
Braking Transistor
Built-in to models 2004 to 2138 and 4002 to 4168
DC Link Choke
Built-in to models 2110 to 2415 and 4060 to 4720
Table 10.11 Environment
Item
Specification
Area of Use
Indoors
Power Supply
Overvoltage Category III
Permitted Frequency Fluctuation: ±5%
Permitted Voltage Fluctuation: -15% to +10%
200 V class:
• Three-phase AC power supply 200 V to 240 V at 50/60 Hz
• DC power supply 270 V to 340 V
400 V class:
• Three-phase AC power supply 380 V to 480 V at 50/60 Hz
• DC power supply 513 V to 679 V
Ambient Temperature
Setting
IP20/UL Open Type/Heatsink External Mounting: -10 °C to +50 °C (14 °F to 122 °F)
IP20/UL Type 1: -10 °C to +40 °C (14 °F to 104 °F)
IP55/UL Type 12 Heatsink External Mounting; front side: -10°C to +50 °C (14 °F to 122 °F)
IP55/UL Type 12 Heatsink External Mounting; back side: -10°C to +40 °C (14 °F to 104 °F)
• When installing the drive in an enclosure, use a cooling fan or air conditioner to keep the internal air temperature in the permitted range.
• Do not let the drive freeze.
• You can use IP20/UL Open Type drives at a maximum of 60 °C (140 °F) when you derate the output current.
• You can use IP20/UL Type 1 drives at a maximum of 50 °C (122 °F) when you derate the output current.
Humidity
95% RH or less
Do not let condensation form on the drive.
Storage Temperature
-20 °C to +70 °C (-4 °F to +158 °F) (short-term temperature during transportation)
Surrounding Area
Pollution degree 2 or less
Install the drive in an area without:
• Oil mist, corrosive or flammable gas, or dust
• Metal powder, oil, water, or other unwanted materials
• Radioactive materials or flammable materials, including wood
• Harmful gas or fluids
• Salt
• Direct sunlight
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