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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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3.10 Control I/O Connections
80 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
MEMOBUS/Modbus Termination
This drive is equipped with a built in termination resistor for the RS-422/485 communication port. DIP switch S2 enables
or disabled the termination resistor as shown in Table 3.1 7. The OFF position is the default. The termination resistor
should be placed to the ON position when the drive is the last in a series of slave drives. Refer to Switches and Jumpers
on the Terminal Board on page 76 for locating switch S2.
Table 3.17 MEMOBUS/Modbus Switch Settings
Note: Refer to MEMOBUS/Modbus Communications on page 477 for details on MEMOBUS/Modbus.
S2 Position Description
ON Internal termination resistor ON
OFF Internal termination resistor OFF (default setting)

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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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