12.3 b: Application
502 YASKAWA SIEPC71061753C GA500 Technical Manual
12.3 b: Application
b parameters set these functions:
• Frequency reference source/Run command source
• Stopping method settings
• DC Injection Braking
• Speed Search
• Timer Function
• PID control
• Dwell function
• Energy-Saving Control
◆ b1: Operation Mode Selection
b1 parameters set the operation mode for the drive.
■ b1-01: Frequency Reference Selection 1
No.
(Hex.)
Name Description
Default
(Setting Range)
b1-01
(0180)
Frequency Reference
Selection 1
Sets the input method for the frequency reference.
1
(0 - 4)
Note:
• Push on the keypad to set the input mode to LOCAL and use the keypad to enter the frequency reference.
• If the frequency reference is 0 Hz or less than the value set in E1-09 [Minimum Output Frequency] and the drive receives the Run
command, the RUN LED on the keypad will flash. Examine the setting for the frequency reference input and enter a value ≥ E1-09.
0 : Keypad
Use the keypad to enter the frequency reference.
Use and on the keypad to change the frequency reference.
1 : Analog Input
Use MFAI terminals A1 and A2 to input an analog frequency reference with a voltage or current input signal.
• Voltage Input
Refer to Table 12.23 to use a voltage signal input to one of the MFAI terminals.
Table 12.23 Frequency Reference Voltage Input
Terminal
Terminal Signal
Level
Parameter Settings
Note
Signal Level
Selection
Function Selection Gain Bias
A1 0 - 10 V (Lower Limit
at 0)
H3-01 = 0 H3-02 = 0
[Frequency Reference]
H3-03 H3-04
-
0 - 10 V (Without
Lower Limit)
H3-01 = 1
A2 0 - 10 V (Lower Limit
at 0)
H3-01 = 0 H3-10 = 0
[Frequency Reference]
H3-11 H3-12 Set DIP switch S1 to “V” for
voltage input.
0 - 10 V (Without
Lower Limit)
H3-01 = 1
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