YASKAWA GA800 Technical Reference page 717

Figure 12.8 Example of Setting the Frequency Reference with a Voltage Signal to Terminal A1
Note:
You can also use this diagram to wire terminals A2 and A3.
• Current Input
Refer to Table 12.19 to use a current signal input to one of the MFAI terminals.
Terminal Signal Level
A1 4 - 20 mA
0 - 20 mA
A2 4 - 20 mA
0 - 20 mA
A3 4 - 20 mA
0 - 20 mA
Figure 12.9 Example of Setting the Frequency Reference with a Current Signal to Terminal A2
Note:
You can also use this diagram to wire terminals A1 and A3.
Changing between Master and Auxiliary Frequency References
Use the multi-step speed reference function to change the frequency reference input between terminals A1, A2, and
A3.
2 : Memobus/Modbus Communications
YASKAWA SIEPC71061737D GA800 Drive Technical Reference
Table 12.19 Frequency Reference Current Input
Parameter Settings
Signal Level
Function Selection
Selection
H3-01 = 2 H3-02 = 0
[Frequency Reference]
H3-01 = 3
H3-09 = 2 H3-10 = 0
[Frequency Reference]
H3-09 = 3
H3-05 = 2 H3-06 = 0
[Frequency Reference]
H3-05 = 3
Gain Bias
H3-03 H3-04
H3-11 H3-12
H3-07 H3-08
12.3 b: Application
Note
Set DIP switch S1-1 to "I" for
current input.
Set DIP switch S1-2 to "I" for
current input.
Set DIP switch S1-3 to "I" for
current input.
Set DIP switch S4 to "AI" for
analog input.
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