Honeywell HC900 Safety Manual

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

Honeywell HC900 Specifications

General

Series	HC900
Redundancy	Optional
Programming Language	Function Block Diagram, Ladder Logic, Structured Text
Inputs	Analog, Digital
Outputs	Analog, Digital, Relay
Display	Optional
Control	PID, Advanced Control
Power Supply	24V DC or 100-240V AC
Storage Temperature	-40°C to 85°C
Humidity	5% to 95% non-condensing
Communication Protocols	Modbus, Ethernet