550
YASKAWA ELECTRIC
SIEP C710617 19A YASKAWA AC Drive CR700 Technical Manual
Terminal
Terminal Signal
Level
Parameter Settings
Note
Signal Level
Selection
Function
Selection
Gain
Bias
A3
0 - 10 V
H3-05 = 0
H3-06 = 0
[Frequency
Reference]
H3-07
H3-08
Set DIP switch S4
to
“
AI
”
for analog
input.
-10 - +10 V
H3-05 = 1
Figure 11.20 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 this table to use a current signal input to one of the MFAI terminals.
Terminal
Signal Level
Parameter Settings
Note
Signal Level
Selection
Function
Selection
Gain
Bias
A2
4 mA to 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 11.21 Example of Setting the Frequency Reference with a Current Signal to Terminal A2
Changing between Master and Auxiliary Frequency References
You can switch frequency reference input between terminals A1, A2, and A3 with the multi-step speed reference
function.
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 frequency reference.
Refer to the instruction manual included with the option card for installing and setting the option card.
Note:
If
b1-01 = 3
but no connected option card, then
oPE05 [Run Cmd/Freq Ref Source Sel Err]
will flash on the keypad.