The LE dynamo writes the lab analysis and processing delay values to the LE block OUT and DELAY parameters. Operators enter the time the sample was taken in the respective fields in the dynamo. The DELAY value then is the difference (in seconds) between the sample time and the time at which its value was entered. If the LE block is in Man mode, when a new sample value is written the previous sample value is transferred to the LAST_VALUE parameter. In addition, the OUT status is changed from Good Constant to Good Not Limited for the next two (2) executions of the function block.
When the LE block mode is changed to Out of Service, the block changes the status of OUT and DELAY to BAD. In addition, the Out of Service indication in BLOCK_ERR is set. Your configuration of BAD_MASK determines whether this condition causes BAD_ACTIVE and ABNORMAL_ACTIVE to be set.