| Volume pwrb | |
| Attributes: Runtime | Development | System | Template | Detail C Binding: Struct | Class | Code ClassTree | INDEX NO INDEX |
|
Class Ln
|
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|---|---|---|
| Version | 1.0 | |
| Modified | 08-MAR-2026 11:05:32.00 | |
| Code | rt_plc_macro_div.h | |
Ln calculates the natural logarithm of the input.
| RtBody attributes pwr_sClass_Ln | |||
|---|---|---|---|
| Float32 | In | In | Input. In * FactorIn should not be negative, and not zero. |
| Float32 | FactorIn | Factor multiplied with the input before calculating the logarithm value. |
|
| Float32 | FactorVal | Factor multiplied with the calculated logarithm value. | |
| Float32 | ActVal | Val | Output value. |
| DevBody attributes | |||
|---|---|---|---|
| PlcNode | PlcNode | ||
| GraphPlcNode | |
|---|---|
| object_type | 11 |
| parameters[0] | 1 |
| parameters[1] | 2 |
| parameters[2] | 1 |
| parameters[3] | 0 |
| subwindows | 0 |
| graphmethod | 1 (standard, common attributes) |
| graphindex | 0 |
| default_mask[0] | 1 |
| default_mask[1] | 1 |
| segname_annotation | 1 |
| compmethod | 5 |
| compindex | 0 |
| tracemethod | 0 |
| traceindex | 0 |
| executeordermethod | 2 |
| objname | Ln |
| graphname | Ln |
| Template Object | |
|---|---|
| FactorIn | 1 |
| FactorVal | 1 |
| In Input | ||
|---|---|---|
| Class | Input | |
| Type | Float32 | |
| Flags | STATE | RTVIRTUAL | NOEDIT | NOREMOVE | NOINVERT | |
| GraphName | In | |
| Body | RtBody | |
Input. In * FactorIn should not be negative, and not zero.
| FactorIn Intern | ||
|---|---|---|
| Class | Intern | |
| Type | Float32 | |
| Flags | REDUTRANSFER | |
| Body | RtBody | |
Factor multiplied with the input before calculating the logarithm value.
| FactorVal Intern | ||
|---|---|---|
| Class | Intern | |
| Type | Float32 | |
| Flags | REDUTRANSFER | |
| Body | RtBody | |
Factor multiplied with the calculated logarithm value.
| ActVal Output | ||
|---|---|---|
| Class | Output | |
| Type | Float32 | |
| Flags | STATE | NOEDIT | REDUTRANSFER | |
| GraphName | Val | |
| Body | RtBody | |
Output value.
| PlcNode Buffer | ||
|---|---|---|
| Class | Buffer | |
| Type | PlcNode | |
| Flags | INVISIBLE | |
| Body | DevBody | |