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BCU 460
Honeywell BCU 460 User Manual
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BC
U 4
6
0, B
CU 4
6
5 · Edit
ion 11
.19
14
4
Glossary
23
.15
Prob
abi
lity o
f d
ang
erous fa
ilu
re PFH
D
Value descr
i
bing the likel
ihood of dangerous f
ai
lure per
hour of a compone
nt for high demand mode or con
-
tinuous mode
. Unit
: 1
/h
.
fro
m EN1361
1/A2:
201
1
2
3
.
16
Mean ti
me to d
an
gerous fa
ilu
re
MT
TF
d
E
xp
ec
tation of t
he mean time to danger
ous failure
fro
m ENISO 138
49
-
1:
20
08
143
145
Table of Contents
Burner Control Units BCU 460, BCU 465
1
Table of Contents
2
Contents
2
Application
6
Application Examples
8
Single-Stage-Controlled Burner
8
PROFINET Connection Using Bus Module BCM
9
Staged Control
10
Modulating Control with Defined Ignition Position
11
Two-Stage-Controlled Burner
12
Single-Stage-Controlled Burner with Pneumatic
13
Ratio Control System
13
Flame Control Using the Temperature
14
Flameless Mode to Reduce no Formation
15
ON/OFF Rotary Impulse Control
16
Modulating Burner Control
18
Certification
19
Function
20
Part Designations
20
Connection Diagram
21
Bcu 460
21
With Ionization Control in Double-Electrode Operation
21
Bcu 460
22
With Ionization Control in Double-Electrode Operation
22
Bcu 465
23
With Ionization Control in Double-Electrode Operation
23
Bcu 460
24
With Industrial Plug for Ionization Control in Double
24
Electrode Operation
24
Bcu 460
25
With Industrial Plug for Ionization Control in Double
25
Electrode Operation
25
Bcu 465
26
With Industrial Plug for Ionization Control in Double
26
Electrode Operation
26
Flame Control
27
Assignment of Connection Terminals
28
BCU 460 Program Sequence
30
BCU 465 Program Sequence
31
Air Control
33
Capacity Control
34
Bcu
34
Bcu 460
35
Low no Mode (Flameless Operation)
36
System Structure and Function
36
Bcu 460
38
Valve Proving System
40
Tightness Control
40
Test Instant
41
Program Sequence
42
Test Period T
44
Opening Time T
44
Measurement Time T
45
Proof of Closure Function
48
Program Sequence
48
Bcsoft
49
Fieldbus Communication
50
BCU and Bus Module BCM
51
Configuration, Planning
52
Device Master Data File (GSD), Electronic Data
52
Sheet (EDS)
52
PROFINET, Ethernet/Ip
53
Modules for Process Data
53
Device Parameters and Statistics
58
Profibus
59
Program Step/Status
60
Fault Signalling
61
Parameters
64
Application Parameters
64
Interface Parameters
69
Scanning the Parameters
72
Flame Control
73
Burner 1 Flame Signal FS1 Switch-Off Threshold
73
Burner 2 Flame Signal FS2 Switch-Off Threshold
73
Flame Simulation Check in Standby Position
74
High Temperature Operation
75
Behaviour During Start-Up
78
Burner 1 Start-Up Attempts
78
Burner Application
79
Safety Time 1 T
83
Sa1
83
Flame Proving Period 1 T FS1
83
Behaviour During Operation
84
Restart
84
Minimum Operating Time T
85
Auxiliary Gas Function
86
Safety Limits
87
Delayed Low Air Pressure Protection
87
Safety Time During Operation
88
Air Control
89
Pre-Purge Time T PV
89
Pre-Ventilation Time T
89
Over-Run Time T
90
Running Time Selection
90
Running Time
91
Over-Run
91
Air Actuator Control
93
Air Actuator Can be Activated Externally on Start
95
Air Actuator in the Event of Fault
95
Pre-Ventilation/Flameless
96
Flameless Operation
97
Combustion Mode
98
Over-Run Time, Flameless Tnl
99
Valve Check
100
Valve Proving System
100
Relief Valve (VPS)
100
Measurement Time for
101
Valve Opening Time T L1
101
Behaviour During Start-Up
102
Minimum Pause Time T MP
102
Manual Mode
102
Operating Time in Manual Mode
102
Sensors
103
Function of Sensor 1
103
Function of Sensor 2
104
Function of Sensor 3
105
Proof of Closure Function Test Period
105
Communication
106
Fieldbus Communication
106
K-Safetylink
106
Safety Interlocks (Bus)
107
Purge (Bus)
107
High Temperature Operation (Bus)
107
LDS (Bus)
107
Interface Parameters
108
Flame Control
108
Air Actuator
109
Function of Terminal 64
112
Functions of Contacts 80 to 97
113
Contact 80, 81/82 Function
113
Contact 90, 91/92 Function
113
Function of Contact 95/96
113
Function of Contact 95/97
113
Contact 85/86, 87 Function
113
35 To 41
114
Function of Input 1
114
Function of Input 2
115
Function of Input 3
115
Function of Input 4
115
Function of Input 5
115
Function of Input 6
115
Function of Input 7
115
Function of Input 35
115
Function of Input 36
116
Function of Input 37
116
Function of Input 38
116
Function of Input 39
116
Function of Input 40
116
Function of Input 41
116
Replacement Possibilities
117
Selection
119
Burner Control Unit BCU
119
Type Code
119
Power Module LM 400
120
Type Code
120
Project Planning Information
121
Installation
121
Commissioning
121
Electrical Connection
122
Safety Current Inputs
123
Actuators
124
Parameter Chip Card
124
K-Safetylink
124
Overload Protection
124
Calculating the Safety Time T
125
Accessories
126
High-Voltage Cable
126
Industrial Plug Connector, 16-Pin
126
Bcsoft
126
Opto-Adapter PCO 200
126
Connection Plug Set
126
Set of Language Stickers
127
Fastening Set
127
External Securing Bars
127
Bus Module BCM 400
127
Flange Plates
128
Bcm 400
129
Application
129
Function
129
Electrical Connection
129
Commissioning
131
Selection
132
Technical Data
132
Technical Data
133
Electrical Data
133
Mechanical Data
134
Ambient Conditions
135
Dimensions
135
Converting Units
136
Safety-Specific Characteristic Values for SIL
136
And PL
136
Safety Information in Accordance with
137
General
137
Interfaces
137
Communication
137
SIL and PL for BCU 4
138
Maintenance
139
Legend
140
Glossary
141
Waiting Time T W
141
Safety Time on Start-Up T SA1
141
Ignition Time T Z
141
Safety Time During Operation T
141
Safety Interlocks
141
Safety Shut-Down
142
Safety Shut-Down with Subsequent Lock-Out
142
(Fault Lock-Out)
142
Warning Signal
142
Timeout
142
Lifting
143
Air Actuator
143
Safe Failure Fraction SFF
143
Diagnostic Coverage DC
143
Mode of Operation
143
Probability of Dangerous Failure PFHD
144
Mean Time to Dangerous Failure MTTF D
144
Feedback
145
Contact
145
4
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Honeywell BCU 460 Specifications
General
Brand
Honeywell
Model
BCU 460
Category
Control Unit
Language
English
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