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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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D.4 Safe Disable Input Function
520 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
Safe Disable Monitor Output Function and Digital Operator Display
Table D.6 explains the drive output and Safe Disable monitor state depending on the Safe Disable inputs.
Table D.6 Safety Input and EDM Terminal Status
Safe Disable Status Monitor
With the Safe Disable monitor output (terminals DM+ and DM-), the drive provides a safety status feedback signal. This
signal should be read by the device that controls the Safe Disable inputs (PLC or a safety relay) in order to prohibit
leaving the “Safe Torque Off” status in case the safety circuit malfunctions. Refer to the instruction manual of the safety
device for details on this function.
Digital Operator Display
When both Safe Disable inputs are open, “Hbb” will flash in the digital operator display.
Should only one of the Safe Disable channels be on while the other is off, “HbbF” will flash in the display to indicate that
there is a problem in the safety circuit or in the drive. This display should not appear under normal conditions if the Safe
Disable circuit is utilized properly. Refer to Alarm Codes, Causes, and Possible Solutions on page 319 to resolve
possible errors.
Safe Disable Input Status
Safe Disable Status Monitor,
DM+ - DM-
Drive Output Status Digital Operator Display
Input 1, H1-HC Input 2, H2-HC
OFF OFF OFF Safely disabled, “Safe Torque Off” Hbb (flashes)
ON OFF ON Safely disabled, “Safe Torque Off” HbbF (flashes)
OFF ON ON Safely disabled, “Safe Torque Off” HbbF (flashes)
ON ON ON Baseblock, ready for operation Normal display

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YASKAWA A1000 Series Specifications

General IconGeneral
SeriesA1000
TypeAC Drive
AltitudeUp to 1000m without derating
Output Frequency0-400 Hz
Control MethodV/f Control
Overload Capacity150% for 60 seconds
Communication OptionsModbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature-10 to 50°C
Storage Temperature-20 to 60°C
Humidity5% to 95% (non-condensing)
Enclosure RatingIP20
Horsepower0.5 to 1000 HP
Power Range0.4 - 630 kW (varies by voltage and model)
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheat
Cooling MethodFan Cooled
SafetySafe Torque Off (STO)

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