YASKAWA CIPR-GA50C series Technical Manual page 484

12.3 b: Application
Terminal Signal
Terminal
Level
A1 0 - 10 V (Lower Limit
at 0)
0 - 10 V (Without
Lower Limit)
A2 0 - 10 V (Lower Limit
at 0)
0 - 10 V (Without
Lower Limit)
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.
Terminal Signal Level
A2 4 - 20 mA
0 - 20 mA
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
Use MEMOBUS/Modbus communications to enter the frequency reference.
484
Table 12.25 Frequency Reference Voltage Input
Parameter Settings
Signal Level
Function Selection
Selection
H3-01 = 0 H3-02 = 0
[Frequency Reference]
H3-01 = 1
H3-01 = 0 H3-10 = 0
[Frequency Reference]
H3-01 = 1
Table 12.26 Frequency Reference Current Input
Signal Level
Function Selection
Selection
H3-09 = 2
[Frequency Reference]
H3-09 = 3
Gain
H3-03
H3-11
Parameter Settings
Gain
H3-10 = 0 H3-11
YASKAWA SIEPC71061753A GA500 Technical Manual
Note
Bias
H3-04
-
Set DIP switch S1 to "V" for
H3-12
voltage input.
Note
Bias
H3-12 Set DIP switch S1 to
"I" for current input.