This function block defines the ring buffer of analog measurements for analog input channel
Input variable name |
Data type |
Range |
Description |
i_CH |
WORD |
|
Channel [0..XX] |
i_Data |
POINTER TO WORD |
|
Address of buffer (use ADR operator), use even pointers for word alignment |
i_Length |
WORD |
|
Buffer length in bytes (use SIZEOF operator). The length must be dividable by 2. |
Output variable name |
Data type |
Range |
Description |
o_Write |
WORD |
|
Position of the last value in ring buffer |
Source file Topic000506.htm
Last updated 4-Sep-2025