24: ANALOG I/O CONTROL
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WindLDR Programming
Analog I/O modules are programmed using the ANST macro in WindLDR. Program the ANST macro as shown below.
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Analog Input Module FC4A-J8AT1 on Slot 1
Note: When CH4 through CH7 are not used, thermistor settings are not required.
DR Allocation Range Designation Description
D630 - D694 D630 Optional range allocation, 65 words
I/O Channel Item Designation Description
IN
CH0
Filter 10 Averages input values
Data Type Celsius Analog input range –50 to 150°C
Scale ×10 Analog input data –500 to 1500
CH1 Data Type Not used Unused channel
CH2 Data Type Not used Unused channel
CH3 Data Type Not used Unused channel
CH4 Data Type Not used Unused channel
CH5 Data Type Not used Unused channel
CH6 Data Type Not used Unused channel
CH7 Data Type Not used Unused channel
CH0 - CH3
Thermistor Type NTC NTC thermistor
R0 10,000 Resistance value at the absolute temperature = 10 kΩ
T0 25 Temperature = 25°C
B 3,800 B parameter = 3,800K
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