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ACS510 User’s Manual
79
Start-Up
Group 13: Analog Inputs
This group defines the limits and the filtering for analog inputs.
Code Description
1301
MINIMUM AI1
Defines the minimum value of the analog input.
• Define value as a percent of the full analog signal range. See example below.
• The minimum analog input signal corresponds to 1104
REF
1
MIN
or 1107
REF
2
MIN
.
•
MINIMUM
AI
cannot be greater than
MAXIMUM
AI
.
• These parameters (reference and analog min. and max. settings) provide scale and offset adjustment for the
reference.
• See figure at parameter 1104.
Example.
To set the minimum analog input value to 4 mA:
• Configure the analog input for 0…20 mA current signal.
• Calculate the minimum (4 mA) as a percent of full range (20 mA) = 4 mA / 20 mA * 100% = 20%
1302
MAXIMUM AI1
Defines the maximum value of the analog input.
• Define value as a percent of the full analog signal range.
• The maximum analog input signal corresponds to 1105
REF
1
MAX
or 1108
REF
2
MAX
.
• See figure at parameter 1104.
1303
FILTER AI1
Defines the filter time constant for analog input 1 (
AI
1).
The filtered signal reaches 63% of a step change within the time
specified.
1304
MINIMUM AI2
Defines the minimum value of the analog input.
Please See parameter 1302
MINIMUM
AI
1.
1305
MAXIMUM AI2
Defines the maximum value of the analog input.
Please See parameter 1302
MINIMUM
AI
1.
1306
FILTER AI2
Defines the filter time constant for analog input 2 (
AI
2).
Please See parameter 1303
FILTER
AI
1.
100
63
%
t
Unfiltered signal
Filtered signal
Time constant
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