AIO_InW Function
Reads analog value from optional analog I/O input channel.
Syntax
AIO_InW(Channel Number)
Parameters
- Channel Number
- Specify the channel number of the analog I/O.
Return Values
Returns the input states (long integers from 0 to 65535) of specified analog I/O channel.
The following table shows input voltage (current) and return value of each input channel according to input range configuration of analog I/O board.
| Input Data | Input Range Configuration | |||||
|---|---|---|---|---|---|---|
| Hexadecimal | Decimal | ±10.24(V) | ±5.12(V) | 0-5.12(V) | 0-10.24(V) | 0-24(mA) |
| 0xFFFF | 65535 | 10.23969 | 5.11984 | 5.12000 | 10.24000 | 24.00000 |
| 0x8001 | 32769 | 0.00031 | 0.00016 | 2.56008 | 5.12016 | 12.00037 |
| 0x8000 | 32768 | 0.00000 | 0.00000 | 2.56000 | 5.12000 | 12.00000 |
| 0x0000 | 0 | -10.24000 | -5.12000 | 0.00000 | 0.00000 | 0.00000 |
See Also
AIO_In Function, AIO_Out, AIO_OutW, AIO_Out Function, AIO_OutW Function, AIO_Set, Wait
AIO_In Function Example
Long word0
word0 = AIO_InW(1)