Set frequency
-10V
B point
10V
Terminal AI1 input
Input
Terminal
[AI1] Gain
(Analog Input)
(3006Hex-23Hex)
Input Terminal [AI1]
Gain
(Command)
(3006Hex-21Hex)
When Input Terminal [AI1] Bias for 1st Frequency Command (3004Hex-13Hex) and Input Terminal
[AI1] Bias Analog Input for 1st Frequency Command (3006Hex-33Hex) are set to an arbitrary value
(e.g. points A1, A2, A3), each of the values are limited by bias values as shown in the figure below.
Set frequency
-10 V
A
2
po
int
A
3
point
10 V
Terminal AI1 input
A
1
point
Normal and Inverse Operations
Normal operation and inverse operation of the analog frequency reference can be switched by the IVS
terminal
Parameter No. Function name Data
Default da-
ta
Unit
3006Hex-36Hex
Input Terminal [AI1, AI2] Nor-
mal/Inverse Operation for 1st
Frequency Command
0: Normal
1: Inverse
0 -
3006Hex-37Hex
Input Terminal [AI1, AI2] Nor-
mal/Inverse Operation for 2nd
Frequency Command
0: Normal
1: Inverse
0 -
3005Hex-02Hex to
3005Hex-06Hex,
3005Hex-63Hex,
3005Hex-64Hex
Input Terminal [DI1] to [DI7]
Function Selection
21: IVS (Switch normal/
inverse operation)
- -
8 Other Functions
8-38
M1 Series EtherCAT Type User’s Manual (I670)