公式得使用
发布时间：2022-01-21
1.
2. 如果输入通道公式包含“;”，则该公式将计算输入通道的值和状态。分号之前的第一部分是用于计算值的公式，分号之后的第二部分用于计算状态。
对输出通道使用公式的规则：
1. 处理具有以下内容的输出通道的公式标准和二元命令类型。
2. 输出通道的公式定义了标准命令的命令值计算，并定义了二进制命令的命令数据计算。
公式中可访问的变量：
| CnlVal, Cnl | double | The input channel value transmitted to Server before calculation |
| CnlStat | int | The input channel status transmitted to Server before calculation |
| CmdVal, Cmd | double | The command value transmitted to Server before calculation |
| CmdData | byte[] | The command data transmitted to Server before calculation |
| CnlNum | int | The channel number for which the formula is calculated |
| E | double | The natural logarithmic base, specified by the constant, e |
| PI | double | The ratio of the circumference of a circle to its diameter, specified by the constant, π |
| N(n) | int | Returns the specified channel number for updating numbers on cloning |
| Val() | double | Gets the current value of the formula channel |
| Val(n) | double | Gets the current value of the channel n |
| SetVal(n, val) | double | Sets the current value of the channel n |
| Stat() | int | Gets the current status of the formula channel |
| Stat(n) | int | Gets the current status of the channel n |
| SetStat(n, stat) | int | Sets the current status of the channel n |
| SetData(n, val, stat) | double | Sets the current value and status of the channel n |
| Abs(x) | double | Calculates the absolute value of a number |
| Sin(x) | double | Calculates the sine of the specified angle |
| Cos(x) | double | Calculates the cosine of the specified angle |
| Tan(x) | double | Calculates the tangent of the specified angle |
| Exp(x) | double | Calculates e raised to the specified power |
| Ln(x), Log(x) | double | Calculates the natural (base e) logarithm of a specified number |
| Sqr(x) | double | Calculates the square of a specified number |
| Sqrt(x) | double | Calculates the square root of a specified number |
公式中可访问的函数：
