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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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C.3 Connecting to a Network
YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual 481
MEMOBUS/Modbus
Communications
C
RS-422 Interface
Figure C.4
Figure C.4 RS-422 Interface
Note: 1. Turn on the DIP switch on the drive that is located at the end of the network. All other slave devices must have this DIP switch set to
the OFF position.
2. Set H5-07 to “0” when using the RS-485 interface.
Network Termination
The two ends of the MEMOBUS/Modbus network line have to be terminated. The drive has a built in termination
resistor that can be enabled or disabled using DIP switch S2. If a drive is located at the end of a network line, enable the
termination resistor by setting DIP switch S2 to the ON position. Disable the termination resistor on all slaves that are not
located at the network line end.
Refer to MEMOBUS/Modbus Termination on page 80 for details on setting S2.
R
R+
S
S+
IG
PLC
Drive
Drive
Drive
S
S+
R
R+
IG
S
S+
R
R+
IG
S
S+
R
R+
IG
S2
OFF
S2
OFF
S2
ON
common_
TMonly

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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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