YASKAWA A1000 Series Quick Start Manual page 137

Table 4.6 Analog Input Settings for Frequency Reference Using Voltage Signals
Terminal Signal Level
0 to 10 Vdc
A1
-10 to +10 Vdc
0 to 10 Vdc
A2
-10 to +10 Vdc
0 to 10 Vdc
A3
-10 to +10 Vdc
0 to 10 V
2 k
Figure 4.8 Setting the Frequency Reference as a Voltage Signal at Terminal A1
Use the wiring example shown in the figure above for any other analog input terminals. When using input A2 make sure DIP
switch S1 is set for voltage input.
Current Input
Input terminal A2 can accept a current input signal. Refer to
Table 4.7 Analog Input Settings for Frequency Reference Using a Current Signal
Signal
Terminal
Level
4 to 20 mA
A2
0 to 20 mA
Figure 4.9 Setting the Frequency Reference as a Current Signal to Terminal A2
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.
to Multi-Step Speed Selection on page 146
YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide
Signal Level
Function Selection
Selection
H3-01 = 0
(Frequency Reference Bias)
H3-01 = 1
H3-09 = 0
(Frequency Reference Bias)
H3-09 = 1
H3-05 = 0
(Frequency Reference Bias)
H3-05 = 1
Drive
+V 10.5 V, 20 mA power supply
A1 Analog Input 1
A2 Analog Input 2
A3 Analog Input 3
AC Analog input common
-V -10.5 V, 20 mA power supply
Parameter Settings
Signal Level Function
Selection Selection
H3-09 = 2
H3-10 = 0
(Frequency Bias)
H3-09 = 3
DIP switch S1
V I
0 or 4 to 20 mA
for details on using this function.
Parameter Settings
Gain
H3-02 = 0
H3-03
H3-10 = 0
H3-11
H3-06 = 0
H3-07
-10 to 10 V
4 k
OR
Table 4.7 to set terminal A2 for current input.
Gain
H3-11
Drive
+V 10.5 V, 20 mA power supply
A1 Analog Input 1
A2 Analog Input 2
A3 Analog Input 3
AC Analog input common
-V -10.5 V, 20 mA power supply
4.6 Basic Drive Setup Adjustments
Bias
H3-04
Set DIP switch S1 on the
H3-12 terminal board to "V" for
voltage input.
Set DIP switch S4 on the
H3-08
terminal board to "AI".
Drive
+V 10.5 V, 20 mA power supply
A1 Analog Input 1
A2 Analog Input 2
A3 Analog Input 3
AC Analog input common
-V -10.5 V, 20 mA power supply
Notes
Bias
Make sure to set DIP switch S1 on
H3-12 the terminal board to "I" for
current input.
Notes
–
4
Refer
137