2.8 H: Terminal Function Selection
334 YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
Note:
• Refer to Multi-Function Analog Input Terminal Settings on page 337 for the analog input setting values.
• When you will not use the terminal, set H3-40 to H3-42 = F. Parameters H3-40 to H3-42 do not support the through mode.
• You cannot use H3-40 to H3-42 to set these MFAI functions:
H3-xx Setting Value Function
0 Frequency Reference
1 Frequency Gain
2 Auxiliary Frequency Reference 1
3 Auxiliary Frequency Reference 2
30 DWEZ Analog Input 1
31 DWEZ Analog Input 2
◆ H3: MFAI Parameters
■ H3-01: Terminal A1 Signal Level Select
No.
(Hex.)
Name Description
Default
(Range)
H3-01
(0410)
Terminal A1 Signal Level
Select
Sets the input signal level for MFAI terminal A1.
0
(0, 4)
0 : 0 to 10V (Lower Limit at 0)
The voltage signal is 0 Vdc to 10 Vdc. The minimum input level limit is 0%. The drive will read a negative input
signal caused by gain and bias settings as 0%.
4 : -10 to +10V (Bipolar Reference)
The voltage signal is -10 Vdc to 10 Vdc. Signals of both positive and negative polarities are enabled. When this
setting is used as the frequency reference, the motor runs reverse when the Forward run command is input, or runs
forward when the Reverse run signal is input, while the signal is a negative number due to gain and bias.
■ H3-02: Terminal A1 Function Selection
No.
(Hex.)
Name Description
Default
(Range)
H3-02
(0434)
Terminal A1 Function
Selection
Sets the function for MFAI terminal A1.
0
(0 - 32)
■ H3-03: Terminal A1 Gain Setting
No.
(Hex.)
Name Description
Default
(Range)
H3-03
(0411)
RUN
Terminal A1 Gain Setting
Sets the gain of the analog signal input to MFAI terminal A1.
100.0%
(-999.9 - +999.9%)
This parameter sets the quantity of reference for the function set for terminal A1 as a percentage when 10 V (or 20
mA) is input.
Use this parameter and H3-04 [Terminal A1 Bias Setting] to adjust the characteristics of the analog input signal to
terminal A1.
■ H3-04: Terminal A1 Bias Setting
No.
(Hex.)
Name Description
Default
(Range)
H3-04
(0412)
RUN
Terminal A1 Bias Setting
Sets the bias of the analog signal input to MFAI terminal A1.
0.0%
(-999.9 - +999.9%)
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