Honeywell HC900 - Introduction; Purpose

Revision 1.9 HC900 Process & Safety Controller Safety Manual vii
01/14
Contents
The Safety Manual .......................................................................................................... 1
Scope ................................................................................................................................................. 1
Basic Skills and Knowledge ................................................................................................................ 1
Safety Standards for Process & Equipment Under Control (PUC, EUC) .............................................. 1
The IEC 61508 and IEC 61511 Standards .......................................................................................... 2
Introduction ..................................................................................................................... 5
System Overview ................................................................................................................................ 5
HC900 Control System Architectures .............................................................................. 9
Introduction to the Hardware ............................................................................................................... 9
Non-Redundant Controller and Non-Redundant IO ........................................................................... 13
Redundant Controllers and Non-Redundant IO ................................................................................. 13
HC900 controller Features ................................................................................................................ 15
Scope of SIL Certification for HC900 Control System Architectures ................................................... 16
Design and Implementation of HC900 Control System ................................................. 17
Allowable Function Blocks for Process and Safety Functions ............................................................ 17
HC900 Control System Operational Modes ....................................................................................... 46
Hardware and wiring requirements for safety configuration ................................................................ 46
HC900 Safety configurations............................................................................................................. 48
HC900 Control System Diagnostics .................................................................................................. 52
HC900 SIL Control System communications ..................................................................................... 53
HC900 system Start-up test .............................................................................................................. 54
HC900 PFD ................................................................................................................... 55
Probability of Failure on Demand (PFD) for Low Demand Mode ........................................................ 55
HC900 Control System Fault Detection and Response................................................. 57
Principle of Fault Detection and Response ........................................................................................ 57
Diagnostic Test Interval .................................................................................................................... 57
Fault Reaction and IO states ............................................................................................................. 58
HC900 Controller Diagnostics ........................................................................................................... 59
HC900 SIL Compatibility ................................................................................................................... 59
Reliability data ............................................................................................................... 62