Honeywell BCU 465 - Calculating the Safety Time T

145 pages

To Next Page

To Previous Page

BCU 460, BCU 465 · Edition 11.19 125

Project planning information

14.8 Calculating the safety time t

see www.adlatus.org

Main Page

Burner Control Units BCU 460, BCU 4651
Table of Contents2
Contents2
Application6
Application Examples8
Single-Stage-Controlled Burner8
PROFINET Connection Using Bus Module BCM9
Staged Control10
Modulating Control with Defined Ignition Position11
Two-Stage-Controlled Burner12
Single-Stage-Controlled Burner with Pneumatic13
Ratio Control System13
Flame Control Using the Temperature14
Flameless Mode to Reduce no Formation15
ON/OFF Rotary Impulse Control16
Modulating Burner Control18
Certification19
Function20
Part Designations20
Connection Diagram21
Bcu 46021
With Ionization Control in Double-Electrode Operation21
Bcu 46022
With Ionization Control in Double-Electrode Operation22
Bcu 46523
With Ionization Control in Double-Electrode Operation23
Bcu 46024
With Industrial Plug for Ionization Control in Double24
Electrode Operation24
Bcu 46025
With Industrial Plug for Ionization Control in Double25
Electrode Operation25
Bcu 46526
With Industrial Plug for Ionization Control in Double26
Electrode Operation26
Flame Control27
Assignment of Connection Terminals28
BCU 460 Program Sequence30
BCU 465 Program Sequence31
Air Control33
Capacity Control34
Bcu34
Bcu 46035
Low no Mode (Flameless Operation)36
System Structure and Function36
Bcu 46038
Valve Proving System40
Tightness Control40
Test Instant41
Program Sequence42
Test Period T44
Opening Time T44
Measurement Time T45
Proof of Closure Function48
Program Sequence48
Bcsoft49
Fieldbus Communication50
BCU and Bus Module BCM51
Configuration, Planning52
Device Master Data File (GSD), Electronic Data52
Sheet (EDS)52
PROFINET, Ethernet/Ip53
Modules for Process Data53
Device Parameters and Statistics58
Profibus59
Program Step/Status60
Fault Signalling61
Parameters64
Application Parameters64
Interface Parameters69
Scanning the Parameters72
Flame Control73
Burner 1 Flame Signal FS1 Switch-Off Threshold73
Burner 2 Flame Signal FS2 Switch-Off Threshold73
Flame Simulation Check in Standby Position74
High Temperature Operation75
Behaviour During Start-Up78
Burner 1 Start-Up Attempts78
Burner Application79
Safety Time 1 T83
Sa183
Flame Proving Period 1 T FS183
Behaviour During Operation84
Restart84
Minimum Operating Time T85
Auxiliary Gas Function86
Safety Limits87
Delayed Low Air Pressure Protection87
Safety Time During Operation88
Air Control89
Pre-Purge Time T PV89
Pre-Ventilation Time T89
Over-Run Time T90
Running Time Selection90
Running Time91
Over-Run91
Air Actuator Control93
Air Actuator Can be Activated Externally on Start95
Air Actuator in the Event of Fault95
Pre-Ventilation/Flameless96
Flameless Operation97
Combustion Mode98
Over-Run Time, Flameless Tnl99
Valve Check100
Valve Proving System100
Relief Valve (VPS)100
Measurement Time for101
Valve Opening Time T L1101
Behaviour During Start-Up102
Minimum Pause Time T MP102
Manual Mode102
Operating Time in Manual Mode102
Sensors103
Function of Sensor 1103
Function of Sensor 2104
Function of Sensor 3105
Proof of Closure Function Test Period105
Communication106
Fieldbus Communication106
K-Safetylink106
Safety Interlocks (Bus)107
Purge (Bus)107
High Temperature Operation (Bus)107
LDS (Bus)107
Interface Parameters108
Flame Control108
Air Actuator109
Function of Terminal 64112
Functions of Contacts 80 to 97113
Contact 80, 81/82 Function113
Contact 90, 91/92 Function113
Function of Contact 95/96113
Function of Contact 95/97113
Contact 85/86, 87 Function113
35 To 41114
Function of Input 1114
Function of Input 2115
Function of Input 3115
Function of Input 4115
Function of Input 5115
Function of Input 6115
Function of Input 7115
Function of Input 35115
Function of Input 36116
Function of Input 37116
Function of Input 38116
Function of Input 39116
Function of Input 40116
Function of Input 41116
Replacement Possibilities117
Selection119
Burner Control Unit BCU119
Type Code119
Power Module LM 400120
Type Code120
Project Planning Information121
Installation121
Commissioning121
Electrical Connection122
Safety Current Inputs123
Actuators124
Parameter Chip Card124
K-Safetylink124
Overload Protection124
Calculating the Safety Time T125
Accessories126
High-Voltage Cable126
Industrial Plug Connector, 16-Pin126
Bcsoft126
Opto-Adapter PCO 200126
Connection Plug Set126
Set of Language Stickers127
Fastening Set127
External Securing Bars127
Bus Module BCM 400127
Flange Plates128
Bcm 400129
Application129
Function129
Electrical Connection129
Commissioning131
Selection132
Technical Data132
Technical Data133
Electrical Data133
Mechanical Data134
Ambient Conditions135
Dimensions135
Converting Units136
Safety-Specific Characteristic Values for SIL136
And PL136
Safety Information in Accordance with137
General137
Interfaces137
Communication137
SIL and PL for BCU 4138
Maintenance139
Legend140
Glossary141
Waiting Time T W141
Safety Time on Start-Up T SA1141
Ignition Time T Z141
Safety Time During Operation T141
Safety Interlocks141
Safety Shut-Down142
Safety Shut-Down with Subsequent Lock-Out142
(Fault Lock-Out)142
Warning Signal142
Timeout142
Lifting143
Air Actuator143
Safe Failure Fraction SFF143
Diagnostic Coverage DC143
Mode of Operation143
Probability of Dangerous Failure PFHD144
Mean Time to Dangerous Failure MTTF D144
Feedback145
Contact145

Honeywell BCU 465 - Calculating the Safety Time T

Table of Contents

Related product manuals