I/O Channel Function Table
- PWM and counter channel 
- If you set the PWM channel to 0, then CTR has to be set to 1 
- Ethan & Wifi series 
| Product/module | PWM | 
| Ethan-D | 0, 1 | 
- USB series 
| Product/module | PWM | Counter | Encoder | 
| USB-DAQ-F1-AD | 0, 1 | 0, 1 | 0 | 
| USB-DAQ-F1-AOD | 0, 1 | 0, 1 | 0 | 
| USB-DAQ-F1-CD | 0, 1 | 0, 1 | 0 | 
| USB-DAQ-F1-D | 0, 1 | 0, 1 | 0 | 
| USB-DAQ-F1-DSNK | 0, 1 | 0, 1 | 0 | 
| USB-DAQ-F1-RD | 0, 1 | 0, 1 | 0 | 
| USB-DAQ-F1-TD | 0, 1 | 0, 1 | 0 |