YASKAWA GA700 Series Technical Manual page 642

12.3 b: Application
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 12.23 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
Use MEMOBUS/Modbus communications to enter the frequency reference.
3 : Option PCB
Use a communications option card or input option card connected to the drive to enter the Run command.
642
Table 12.23 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
YASKAWA SIEPC71061705H GA700 Series Technical Manual
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.