The user can define curves by entering parameters into the standard formula: Figure 1. Equation
| t[s] | Operate time in seconds |
| A | Set value of Curve parameter A |
| B | Set value of Curve parameter B |
| C | Set value of Curve parameter C |
| D | Set value of Curve parameter D |
| E | Set value of Curve parameter E |
| U | Measured voltage |
| U< | Set value of Start value |
| k | Set value of Time multiplier |