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Lamtec VMS Series User Manual
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58
6
Commissioning
6.6.5.10
What
Additional Modes mean
op
O
2
trim on standby (during burner start-up), or
O
2
trim temporarily switched off by parameters
914 and 915, depending on firing rate.
or
O
2
trim active
ot
O
2
trim temporarily deactivated (air shortage,
probe dynamics etc).
od
O
2
trim deactivated (in fault), e.g. test routines
failed during burner start-up, dynamic test nega-
tive, O
2
trim temporarily deactivated for over 1
hour etc.
58
60
Table of Contents
Default Chapter
3
Table of Contents
3
1 General Information
8
Validity of These Instructions
8
How to Use These Instructions
9
Purpose
9
Conventions
9
Correcting Faults
9
Purpose
10
Purpose Internal Firing Rate Controller
11
Purpose of Internal O 2 Trim
11
2 For Your Safety
12
3 Operation
13
Digital Inputs
13
Operating Description
13
Range Limits
14
Internal Firing Rate
14
Manual Mode
14
Parameter Settings
14
Correction
14
Flying Curve Change
15
Integrated Power Control Unit
15
Or 8 Curve Sets
15
Direct Connection to R. P. M. Sensor
15
Fail-Safe Feedback
15
Pre-Purge Limit
16
Energy-Saving Mode for Scrolling Text Display
16
Separate Ignition Point
16
Integrated O Trim
16
4 Settings
17
Inputs
17
Significance of ID Number
17
Configuration Sticker
17
Configuration Number
18
Conditions on Delivery
19
Assignment of Sockets in Inputs
19
Configuration Cards (Examples)
20
Processor Card
20
Power Supply Card
21
Plug-In P.C.card for Continuous Output
21
Parameter
22
Parameter Settings
22
Access Levels
22
Password Entry
23
How to Change the Password
23
Changing Parameters
24
5 Firing Rate Controller (Optional)
25
Operation
25
Enter Setpoint of Firing Rate Controller
25
Operating Description
25
Control by Atmospheric Condition
26
Setpoint Changeover
26
Start-Up Sequence
27
Thermostat and Control Range
28
Manual Control
29
Control Setting
29
Meaning of the Display
29
How to Adjust the Burner Firing Rate Controller
29
Control Range
30
Control Mode
30
6 Commissioning
33
Before Commissioning
33
Setting the Limit Switches of the Motors
33
Function Test
33
Significance of Digital Display
34
Adjusting Control Elements
35
Settings
35
Programming of Curves
36
Programming of Fuel/Air Ratio Control
36
Entirely New Curve - Clear Memory
37
Programming 1 St Point (Separate Ignition Point)
37
Programming While the Burner Is Running
38
Programming While the Burner Is Stationary
39
Programming 2 Nd to 20 Th Point
40
Programming Last Top Point
41
Saving Curve
41
Check Monitoring Values
42
Adding Points
43
Change Curve Point
44
O 2 Trim
45
Automatic Function Monitoring During Operation
45
Adjusted the Integrated O2 Controller (Optional)
45
Test During Burner Start
45
Monitoring Band
45
O 2 Limit Curve
46
Dynamic Probe Test
47
Probe Blockage
47
Correction Output Monitoring
48
Control Strategy
49
With Pre-Setting for Firing Rate Changes
49
Extended Control Strategy (Air Shortage)
50
Connecting the O 2 Measurement Device
51
Via Analogue Interface
51
Operating Control and Displays
52
Mode Switching
52
Calling up O Trim Text Messages
53
Commissioning
54
Correction Output Monitoring
54
Enter the O Setpoint Curve
54
Changing the O2 Setpoint Curve
56
Calling up the Set Correction Mode
56
Calculation of Control Parameters
56
Lag Time (Parameters 898 / 900)
57
P-Factor (Parameter 899)
57
Setting a Base Value for "Deactivated Controller" and "Air Shortage
58
Base Value for Inactive O2 Trim/Insufficient Air
58
What Additional Modes Mean
59
How to Reset Od
60
Calling up O Trim Text Messages
60
Correction
61
Set Correction Input
61
Correctiontype1
61
Correction Type 2
64
Correctional Range
65
Correction Range Settings
65
Calling up the Set Correction Mode
65
Edit Correction Range
65
Correction Modes
67
Shut-Off Limits
68
Run to Shut-Off Limits
68
Check Shut-Off Limits on TPS Output of VMS
69
Check Shut-Off Limits on VMS Continuous Output
70
Checking O 2 Influence
71
Tolerance Limit in Direction Air Deficiency
72
Protocol Example
73
7 Tips and Tricks
74
Programming 1St Point (Ignition Firing Rate Point)
74
Programming While the Burner Is Running
75
Programming While the Burner Is Stationary
76
Reversing the Programming
76
Commissioning Equipments
76
Adjusting Firing Rate Individually
77
Entering an Initial Curve
77
Approaching Control Elements from One Side
77
Enter Set Point Values
78
Entering the Highest Setpoint
78
Start Without Pre-Purge
78
Ignition Delay During Adjustment
78
Set Firing Rate Automatically
78
Entering the Fuel/Air Ratio Control with the Burner Stationary
79
Recirculation Damper Closed During Pre-Purge
79
Switching the Burner on Again through the Setpoint
79
8 System Operation
80
Mode Display
80
Mode Abbreviations Used
80
O2 Trim Modes
81
Mode (Set - Control)
81
Proceed with Programming
82
Check Sums - Hours of Operation
83
Calling the Checksums
83
Calling up the Hour Counter
84
Messages / Faults
85
What Happens if There Is a Fault
85
Reading Faults
85
Resetting Faults
85
Recalling Fault History
86
Controller
86
Air Deficiency Failure
87
Resetting O 2 Errors
87
Calling Fault History O 2 Trim
87
Fault Codes
88
9 Maintenance
110
Changing Eproms
110
Replacing a Data EEPROM
110
Re-Enter Range Limits
111
Installing a New Software Version
111
Procedures for New Software Installation
111
10 Appendix
112
Wiring According to EMC
112
Shields Connection
112
PE Busbar
112
Control Cabinet Wiring
112
Shielding Cables from the Field
113
Feedback at Three-Point-Step Channels
113
Connect with Positive Locking
113
Fail-Safe Feedback
113
External Switching of the Fuel Motors/ Valves
115
Changing Control Drives / Potentiometers
116
How to Replace a Motor with LAMTEC Pre-Calibration
116
How to Replace a Complete Control Drive
117
How to Replace a Potentiometer
117
Schalter und Tastenkombination der Bedieneinheit
117
Front Panel VMS/FMS
117
O 2 Trim
120
Process Sequence Charts
121
Wiring of the Analogue Inputs
123
Connecting Diagrams
124
Sensor
130
Direct Connection to R. P. M. Sensor
130
Selection of a Suitable R. P. M. Sensor
132
Connection Diagram Relay Modules
134
Modem Connection Plan for Remote Access
135
Technical Data
137
Accessories and Spare Parts
139
Declaration of Conformity
141
Protocol Example
143
O 2 Setpoint Curves
144
4
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Lamtec VMS Series Specifications
General
Brand
Lamtec
Model
VMS Series
Category
Control Systems
Language
English
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