INVT DA180-S4R5SG0

DA180 series basic AC servo drive Function codes
-129-
P3.16
Data size
16bit
Data format
DEC
Modbus address
1632, 1633
CANopen address
0x2310, 0x00
6.4.2 Analog input/output
P3.20
Offset of AI 1
Setting range
Default
Unit
Applicable
mode
-10.000–10.000
0.000
V
P
S
T
This parameter is used to adjust analog input 1 to improve the effective accuracy of the AI.
Due to reasons such as the zero drift of analog input devices or induced voltage in the ambient
environment, the actual analog input value may deviate from the expected value, and such
deviation can be eliminated by setting the offset of AI.
See the following figure for the analog input offset voltage:
-10V
10V
Actual voltage (V)
Sampling voltage (V)
After setting
P3.20
P3.23
Before setting
Example: After the command terminal of drive analog input 1 is connected to the analog reference
signal, even if the analog reference signal is 0, the voltage of analog input 1, (specified by R1.05),
is displayed as 0.02V on the panel, P3.20 must be set to 0.02 at this time. The drive automatically
subtracts 0.02V from the analog input value received. If the voltage of analog input 2, displayed by
the panel, is -0.02V, P3.20 must be set to -0.02. The drive automatically adds 0.02V to the analog
input value received, and the value displayed on the panel changes as well.
P3.20
Data size
32bit
Data format
DEC
Modbus address
1640, 1641
CANopen address
0x2314, 0x00
P3.21
Filter of AI 1
Setting range
Default
Unit
Applicable
mode
0.0–1000.0
1.0
ms
P
S
T
This parameter specifies the time constant of the first-order low-pass filter corresponding to analog
input 1. Setting this parameter can smooth the command change when the analog input changes
sharply.
See the following figure: