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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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480 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
C.3 Connecting to a Network
C.3 Connecting to a Network
This section explains how to connect the drive to a MEMOBUS/Modbus network and the network termination required.
Network Cable Connection
Follow the instructions below to connect the drive to a MEMOBUS/Modbus network.
1.
With the power shut off, connect the communications cable to the drive and the master. Use terminals TB5 for
MEMOBUS/Modbus.
Figure C.2
Figure C.2 Serial Communications Cable Connection Terminals (TB5)
Note: Separate the communications cables from the main circuit cables and other wiring and power cables. Use shielded cables for the
communications cables, and properly shielded clamps to prevent problems with noise. When using RS-485 communications,
connect S+ to R+, and S- to R- as shown in the diagram below.
2. Check or set the termination resistor selection at all slaves. Use the description in Network Termination on
page 481 for slaves that are A1000 drives.
3. Switch the power on.
4. Set the parameters needed for serial communications (H5-01 through H5-12) using the digital operator.
5. Shut the power off and wait until the display on the digital operator goes out completely.
6. Turn the power back on.
7. The drive is now ready to begin communicating with the master.
Wiring Diagram for Multiple Connection
Figure C.3 and Figure C.4 explain the wiring diagrams for multiple connections using MEMOBUS/Modbus
communication.
RS-485 Interface
Figure C.3
Figure C.3 RS-485 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 “1” when using the RS-485 interface.
(TB5)
S
S+
R
R+
IG
Send (–)
Send (+)
Receive (–)
Receive (+)
Shield Ground
IG R+ R- S+ S-
YEG
Drive
Drive
Drive
S2
S2
S2
S–
S+
R–
R+
IG
S–
S+
R–
R+
IG
S–
S+
R–
R+
IG
R–
R+
S–
S+
IG
PLC
OFF
OFF
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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