12.3 b: Application
510 YASKAWA SIEPC71061753C GA500 Technical Manual
Table 12.25 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
Figure 12.17 Example of Setting the Frequency Reference with a Voltage Signal to Terminal A1
Note:
You can also use this diagram to wire terminal A2.
• Current Input
Refer to Table 12.26 to use a current signal input to one of the MFAI terminals.
Table 12.26 Frequency Reference Current Input
Terminal Signal Level
Parameter Settings
Note
Signal Level
Selection
Function Selection Gain Bias
A2 4 - 20 mA H3-09 = 2 H3-10 = 0
[Frequency Reference]
H3-11 H3-12 Set DIP switch S1 to
“I” for current input.
0 - 20 mA H3-09 = 3
Figure 12.18 Example of Setting the Frequency Reference with a Current Signal to Terminal A2
Changing between Master and Auxiliary Frequency References
Use the multi-step speed reference function to change the frequency reference input between terminals A1 and
A2.
2 : Memobus/Modbus Communications
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