Attention
IronPLC implements many parts of the IEC 61131-3 standard and is working toward full Structured Text support. Key features still missing include arrays and structures. Try it out in the IronPLC Playground.
ACOS¶
Returns the arc cosine (inverse cosine) of a numeric input.
IEC 61131-3 |
Section 2.5.1.5.2 |
Support |
Supported |
Signatures¶
# |
Input (IN) |
Return Type |
Support |
|---|---|---|---|
1 |
|
|
Supported |
2 |
|
|
Supported |
Description¶
Returns the arc cosine of IN in radians. The input must be in the range [-1.0, 1.0]. The result is in the range [0, pi].