模拟量
在本节中：
sys_iPotiInputV0
sys_iPotiInputV1
sys_iPotiInputV2
sys_iPotiInputV3
sys_iAnalogInputChannel0
sys_iAnalogInputChannel1
sys_iAnalogInputChannel2
sys_iAnalogInputChannel3
sys_rAnalogInputChannel0
sys_rAnalogInputChannel1
sys_iTemperatureInputChannel0
sys_iTemperatureInputChannel1
sys_iAnalogOutputChannel0
sys_iAnalogOutputChannel1
sys_iAnalogCassetteInputChannel0
sys_iAnalogCassetteInputChannel1
sys_iAnalogCassetteOutputChannel0