ABB Triguard SC300E Safety Manual

Also see for Triguard SC300E: User manual

Contents

ABB Triguard SC300E Safety Manual Manual pdf 3 page image

Document Reference SS 0728Issue 5 - September 2006Table of Contents1 Glossary of Terms ............................................................................................................. 62 Introduction........................................................................................................................ 82.1 General Information........................................................................................................................ 82.2 Manual Organisation ...................................................................................................................... 82.3 Product Introduction and Overview................................................................................................ 82.3.1 The Triguard SC300E ................................................................................................................ 82.3.2 SC300E Functional Overview .................................................................................................... 92.3.3 Operating System..................................................................................................................... 102.3.4 Off-Line/Start-up Diagnostics ................................................................................................... 102.3.5 On-Line/Continuous Diagnostics ............................................................................................. 112.3.6 Verification................................................................................................................................ 112.3.7 Validation.................................................................................................................................. 113 Configuration Application Design .................................................................................. 123.1 Introduction ................................................................................................................................... 123.2 Assumptions ................................................................................................................................. 123.3 Safety Related Inputs and Outputs .............................................................................................. 123.3.1 Inputs ........................................................................................................................................ 133.3.2 Outputs ..................................................................................................................................... 153.4 Classification (SIL level) System Time Constraint ....................................................................... 163.4.1 Without System Time Constraint Dual Final Elements............................................................ 163.4.2 Without Time Constraint Dual Outputs .................................................................................... 183.4.3 Interposing Devices.................................................................................................................. 183.4.4 Systematic Software Faults...................................................................................................... 183.4.5 Process Fault Tolerant Time.................................................................................................... 183.5 Diagnostic Configuration .............................................................................................................. 193.5.1 Diagnostic Message Generation.............................................................................................. 193.5.2 Printed Messages..................................................................................................................... 193.5.3 Diagnostic LED's ...................................................................................................................... 193.5.4 Display System Diagnostics..................................................................................................... 193.5.5 Maintenance Workstations....................................................................................................... 193.5.6 Error Flags and Automatic Diagnostic Actions ........................................................................ 193.5.7 Monitor flag register.................................................................................................................. 233.5.8 I/O module dependant fault flags ............................................................................................. 233.5.9 Automatic Diagnostic Action .................................................................................................... 243.5.10 Without Time Constraint Configuration................................................................................ 243.5.11 With Time Constraint Configuration..................................................................................... 243.5.12 Long Process Time Constraint System ............................................................................... 243.5.13 Initialisation Flags................................................................................................................. 243.5.14 MPP A, MPP B, MPP C ....................................................................................................... 253.5.15 Power Supply Failures ......................................................................................................... 253.6 Application Software, Design, Verification and Validation ........................................................... 253.6.1 Non Safety Functions............................................................................................................... 253.6.2 Modularity and Version Control................................................................................................ 253.6.3 Discretes and Register Validation............................................................................................ 253.6.4 Power-Up Initialisation.............................................................................................................. 253.6.5 Application Logic Verification ................................................................................................... 263.6.6 Application Logic Validation ..................................................................................................... 263.6.7 Start-up Overrides .................................................................................................................... 263.6.8 System Acceptance Test ......................................................................................................... 263.6.9 Application Software Documentation....................................................................................... 263.6.10 Application Logic Driven External Triplicated Watchdog Timer .......................................... 263.6.11 Use of Triplicated Watchdog Timer with Remote Chassis.................................................. 273.7 TriBuild, Network Examples ......................................................................................................... 273.8 Environmental Functionality ......................................................................................................... 273.9 Security......................................................................................................................................... 273.10 System Power Supplies ............................................................................................................... 273.11 Field Sensors and Final Elements ............................................................................................... 27