Safe convert functions

This group of the IEC-blocks provides standard →functions as an enhancement to the →IEC-standard to convert an elementary →data type (according to the IEC-standard) into an equivalent safe data type. Example: A BOOL value is converted into a SAFEBOOL value.

When using a safe convert block, you must make sure that the input signal to the safe convert block is suitable to be used as safe signal. logi.CAD 3 does not ensure that a signal status is safe but only highlights safe logic in the FBD-editor so that you are able to differentiate beween safety-relevant and standard signals.

logi.CAD 3 supports the following safe convert functions according to the IEC-standard: