Code S53-269: Safety Function Warnings

The data received by the safety I/O unit is inconsistent. Displays the information of the unit with an error. bit24-27: Unit No. Safety observation target axes are stopped, and all the DOs of the safety I/O unit concerned are turned OFF. (*) The unit No. indicates the unit in which an alarm occurs. The channel No. and station No. to which the unit is connected can be confirmed by the following parame- ters. Channel No.: #51501 + 10 × (Unit No. - 1) Station No.: #51502 + 10 × (Unit No. - 1) Remedy  Check the user safety sequence circuit to see if the output signal control circuit is correct.  Data corruption may have been caused due to noise. Take anti-noise measures on the connection be- tween the NC unit and safety I/O unit.  NC unit or safety I/O unit may be faulty. Exchange the NC unit or safety I/O unit. Output OFF check error 0005 Unit info