SR-2X series
1. ESD protection
2. Error power on protection
3. Run Away Protect)
4. Soft-start
5. Double insulation between high voltage and user accessible parts
6. Incline motor control
7. protection for incline motor error
8. over-current protection for incline motor
9. Motor Anti-lock protect
10. Current Limit
11. Dual PWM control
13. CE&LVD design
