146
Appendix A—Description of parameters
POWERXL DH1 SERIES ADJUSTABLE FREQUENCY DRIVES
MN040041EN—August 2019 www.eaton.com
Code
Modbus ID
Parameter
Application
RO/RW
P2.4.2
175
AI1 Signal Range
1,2,3
RW
Configures the Analog input 1 signal source scaling.
0 = 0-100%/0-20mA/0-10V - 0-100% is equal to 0 to 10V, 0-20mA.
1 = 20-100%/4-20mA/2-10V - 20-100% is equal to 2 to 10V, 4-20mA.
2 = “Customized,” see parameter Para ID 176 and 177, this defines the customized signal range.
Figure 41. Analog input AI scaling
Output
Frequency
P2
.
21
P2
.
22
0
20 mA
AI2
(Term
.
3,
4
)
P2
.4
P2
.
3
4
mA
P2
.
1 = Custom
P2
.
2 = 0
AI2 = 0 – 100%
P2
.
2 = 1
AI2 = 20 – 100%
P2.4.3
176
AI1 Custom Min
1,2,3
RW
Defines the custom minimum range of the analog input scale when the signal range is set for custom.
AI1 Custom Min < = AI1 Custom Max.
P2.4.4
177
AI1 Custom Max
1,2,3
RW
Defines the custom maximum range of the analog input scale when the signal range is set for custom.
AI1 Custom Min < = AI1 Custom Max.
P2.4.5
174
AI1 Filter Time
1,2,3
RW
When this parameter is given a value greater than 0, the function that filters out disturbances from the
incoming analog signal is activated.
A long filtering time makes the regulation response slower.
Figure 42. AI1 signal filtering
AI
AO
100%
63%
t (s)
P2
.
5
P2
.
15
P
4.4
P
4.
11
AI1
AI2
AO1
AO2
otes:
N
Analog signal with faults (unfiltered).
Filtered analog signal.
Filter time constant at 63% of the set value.
