4: A
NALOG
I/O C
ONTROL
4-19
WindLDR Programming
Analog I/O modules are programmed using the ANST macro in
WindLDR
. Program the ANST macro as shown below.
•
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 k
Ω
T0
298
Absolute temperature = 298K (25°C)
B
3,800
B parameter = 3,800K
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