X-CPU 01  Table of Contents 
HI 801 009 E Rev. 4.00  Page 3 of 52 
Table of Contents 
1  Introduction ............................................................ 5 
1.1  Structure and Use of this Manual......................................................................... 5 
1.2  Target Audience..................................................................................................... 5 
1.3  Formatting Conventions ....................................................................................... 6 
1.3.1  Safety Notes ............................................................................................................ 6 
1.3.2  Operating Tips ......................................................................................................... 7 
2  Safety...................................................................... 8 
2.1  Intended Use .......................................................................................................... 8 
2.1.1  Environmental Requirements................................................................................... 8 
2.1.2  ESD Protective Measures........................................................................................ 8 
2.2  Residual Risk ......................................................................................................... 9 
2.3  Safety Precautions................................................................................................. 9 
2.4  Emergency Information......................................................................................... 9 
3  Product Description .............................................. 10 
3.1  Safety Function of the Module............................................................................ 10 
3.1.1  Reaction in the Event of a Fault............................................................................. 10 
3.2  Scope of Delivery................................................................................................. 11 
3.3  Type Label ............................................................................................................ 11 
3.4  Structure ............................................................................................................... 12 
3.4.1  Block Diagram, Functional Units............................................................................ 12 
3.4.2  Safety-Related Processor System ......................................................................... 13 
3.4.3  System Controller .................................................................................................. 13 
3.4.4  Memory.................................................................................................................. 13 
3.4.5  Alarms and Events................................................................................................. 13 
3.4.6  Creating Events ..................................................................................................... 14 
3.4.7  Recording Events................................................................................................... 15 
3.4.8  Protocols and Interfaces ........................................................................................ 15 
3.4.9  Ports in Use for Ethernet Communication.............................................................. 16 
3.4.10  Mechanical Structure ............................................................................................. 16 
3.4.11  Indicators ............................................................................................................... 17 
3.4.12  Module Status Indicators ....................................................................................... 18 
3.4.13  Redundancy Indicators .......................................................................................... 19 
3.4.14  System Bus Indicators ........................................................................................... 19 
3.4.15  Maintenance Indicators.......................................................................................... 20 
3.4.16  Fault Indicators ...................................................................................................... 20 
3.4.17  Ethernet Indicators................................................................................................. 21 
3.4.18  Mode Switch .......................................................................................................... 21 
3.4.19  Monitoring the Operating Voltage .......................................................................... 23 
3.4.20  Monitoring the Temperature................................................................................... 23 
3.4.21  Operating System .................................................................................................. 24