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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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5.2 b: Application
YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual 137
Parameter Details
5
Current Input
Input terminal A2 can accept a current input signal. Refer to Tab le 5.6 to set terminal A2 for current input.
Table 5.6 Analog Input Settings for Frequency Reference Using a Current Signal
Figure 5.2
Figure 5.2 Setting the Frequency Reference as a Current Signal to Terminal A2
DIP switch S1 must first be set for current input.
Switching between Main/Auxiliary Frequency References
The frequency reference input can be switched between the analog terminals A1, A2, and A3 using multi-speed inputs.
Refer to Multi-Step Speed Selection on page 180 for details on using this function.
Setting 2: MEMOBUS/Modbus Communications
This setting requires that the frequency reference is entered via the RS-485/422 serial communications port (control
terminals R+, R-, S+, S-). For instructions, see MEMOBUS/Modbus Communications on page 477.
Setting 3: Option card
This setting requires that the frequency reference is entered via an option board plugged into connector CN5-A on the
drives control board. Consult the manual supplied with the option board for instructions on integrating the drive with the
communication system.
Note: If the frequency reference source is set for an option PCB (b1-01 = 3), but an option board is not installed, an OPE05 Operator
Programming Error will be displayed on the digital operator and the drive will not run.
Setting 4: Pulse Train Input
If b1-01 is set to 4, the frequency reference must be provided by a pulse train signal to terminal RP. Follow the directions
below to make sure the pulse signal is working properly.
Verifying Pulse Train is Working Properly
Make sure that b1-04 is set to 4 and H6-01 is set to 0.
Set the pulse input scaling H6-02 to the pulse train frequency value that equals 100% of the frequency reference.
Enter a pulse train signal to terminal RP and check if the correct frequency reference is displayed.
b1-02: Run Command Selection 1
Parameter b1-02 determines the Run command source 1 in the REMOTE mode.
Setting 0: Operator
When the b1-02 = 0, the LO/RE light will switch on and the RUN key will enter a Run command to start the drive.
Terminal Signal Level
Parameter Settings
Notes
Signal Level Selection Function Selection Gain Bias
A2
4 to 20 mA H3-09 = 2
H3-10 = 0
(Frequency Bias)
H3-11 H3-12
Make sure to set DIP switch S1 on the
terminal board to “I” for current input.
0 to 20 mA H3-09 = 3
No. Parameter Name Setting Range Default
b1-02 Run Command Selection 1 0 to 3 1
Drive
A1 Analog Input 1
0 or 4 to 20 mA
AC Analog input common
+V
-V
10.5 V, 20 mA power supply
-10.5 V, 20 mA power supply
A2 Analog Input 2
A3 Analog Input 3
DIP switch S1
VI

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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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