4-9
Chapter 4. Functions
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Ratio and bias
The setting is valid if the AI block is in the A4, B4, A3 or B3 slot.
Input scaling can be used if the range type is set to DC voltage or DC current.
Item (bank) Display Description Initial value
Ratio
(Analog input bank)
MENU > AnalogInput
Ratio
0.0010 to 10.000 1.0000
Bias
(Analog input bank)
MENU > AnalogInput
Bias
−32000 to +32000
A maximum of 5 digits, plus 4 digits
after the decimal point, can be set.
0.0000
AIout = (AIin × RA) + BI
AIin: Calculation input
AIout: Calculation output
RA: Ratio
BI: Bias
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Linearization table group definition
The setting is valid if the AI block is in the A4, B4, A3 or B3 slot.
The linearization table group used for linear approximation of analog input can be
set.
Item (bank) Display Description Initial value
Ratio
(Analog input bank)
MENU > AnalogInput
Ratio
0.0010 to 10.000 1.0000
Bias
(Analog input bank)
MENU > AnalogInput
Bias
−32000 to +32000
A maximum of 5 digits, plus 4 digits
after the decimal point, can be set.
0.0000
Note
• 4 - 16 Linear Approximation (p.4-90) (for details on linearization table
settings)
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Number of decimal places for PV
The setting is valid if the AI block is in the A4, B4, A3 or B3 slot. The maximum
number of digits after the decimal point can be selected for the PV display and SP
display of the monitor screen.
Item (bank) Display Description Initial value
No. of decimal places for PV1
(Basic action bank)
MENU > BasicAction
No. of decimal places for PV1
0: No decimal point
1: 1 digit after the decimal point
2: 2 digits after the decimal point
3: 3 digits after the decimal point
4: 4 digits after the decimal point
1
No. of decimal places for PV2
(Basic action bank)
MENU > BasicAction
No. of decimal places for PV2
No. of decimal places for PV3
(Basic action bank)
MENU > BasicAction
No. of decimal places for PV3
No. of decimal places for PV4
(Basic action bank)
MENU > BasicAction
No. of decimal places for PV4
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