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42i
Thermo Scientific 42i User Manual
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Model 42
i
Instruction Manual
Chemiluminescence NO-NO
2
-NO
x
Analyzer
Part Number 101350-00
25Jul2015
2
Table of Contents
Table of Contents
11
Figures
21
Introduction
25
Principle of Operation
26
Specifications
27
Figure 1-1. Model 42I Flow Schematic
27
Table 1-1. Model 42I Specifications
27
Table 1-2. Model 42I Optional Permeation Oven Specifications
28
Installation
29
Lifting
29
Unpacking and Inspection
29
Figure 2-1. Remove the Packing Material
30
Figure 2-2. Remove the Shipping Screws
30
Setup Procedure
31
Figure 2-3. Model 42I Rear Panel
31
Figure 2-4. Atmospheric Dump Bypass Plumbing
32
Connecting External Devices
33
25-Pin Terminal Board
33
D/O Terminal Board
33
I/O Terminal Board
33
Terminal Board PCB Assemblies
33
Figure 2-5. I/O Terminal Board Views
34
Table 2-1. I/O Terminal Board Pin Descriptions
34
Figure 2-6. D/O Terminal Board Views
35
Table 2-2. D/O Terminal Board Pin Descriptions
35
Figure 2-7. 25-Pin Terminal Board Views
36
Table 2-3. 25-Pin Terminal Board Pin Descriptions
36
Startup
37
Operation
39
Display
39
Pushbuttons
40
Figure 3-1. Front Panel Display
40
Figure 3-2. Front Panel Pushbuttons
40
Soft Keys
41
Table 3-1. Front Panel Pushbuttons
41
Alphanumeric Entry Screen
42
Firmware Overview
42
Figure 3-3. Flowchart of Menu-Driven Software
43
Power-Up Screen
44
Run Screen
44
Main Menu
45
Range Menu
46
Dual Range Mode
46
Single Range Mode
46
Figure 3-4. Pin-Out of Rear Panel Connector in Single Range Mode
47
Table 3-2. Default Analog Outputs in Single Range Mode
47
Figure 3-5. Pin-Out of Rear Panel Connector in Dual Range Mode
48
Table 3-3. Default Analog Outputs in Dual Range Mode
48
Auto Range Mode
49
Figure 3-6. Analog Output in Auto Range Mode
49
Figure 3-7. Pin-Out of Rear Connector in Auto Range Mode
50
Table 3-4. Default Analog Outputs in Auto Range Mode
50
Gas Units
51
No, no
51
Table 3-5. Standard Ranges
52
Custom Ranges
53
Set Custom Ranges
53
Table 3-6. Extended Ranges
53
Averaging Time
54
Calibration Factors Menu
55
NO and no X Backgrounds
55
NO, no , and no Coefficients
57
Reset User Calibration Defaults
57
Calibration Menu
58
Calibrate no and no Backgrounds
58
Calibrate NO, no
59
Zero/Span Check
59
Next Time
60
Period Hours
60
Total Duration Hour
61
Zero/Span/Purge Duration Minutes
61
Zero/Span Averaging Time
62
Zero/Span Calibration Reset
62
Zero/Span Ratio
62
Instrument Controls Menu
62
Ozonator
63
Auto/Manual Mode
64
Datalogging Settings
64
PMT Supply
64
Select Srec/Lrec
65
View Logged Data
65
Number of Records
66
Date and Time
67
Erase Log
67
Select Content
67
Choose Field Data
68
Concentrations
68
Other Measurements
68
Commit Content
70
Reset to Default Content
70
Configure Datalogging
71
Logging Period Min
71
Data Treatment
72
Baud Rate
73
Communication Settings
73
Serial Settings
73
Data Bits
74
Parity
74
Stop Bits
74
Instrument ID
75
RS-232/RS-485 Selection
75
Communication Protocol
76
Streaming Data Configuration
76
Choose Stream Data
77
Concentrations
77
Streaming Data Interval
77
Other Measurements
78
Analog Inputs
79
TCP/IP Settings
79
Instrument State
82
Logic State
82
Output Relay Settings
82
Alarms
83
Logic State
85
Allow Over/Under Range
86
Instrument Action
86
Analog Output Configuration (Select Action)
87
Choose Signal to Output
87
Select Range
87
Table 3-7. Analog Output Zero to Full-Scale Table
88
Analog Input Configuration
90
Table 3-8. Signal Type Group Choices
90
Descriptor
91
Decimal Places
92
Units
92
Number of Table Points
93
User Value
93
Volts
93
Pressure Compensation
95
Screen Contrast
95
Date/Time
96
Service Mode
96
Diagnostics Menu
97
Timezone
97
Program Version
98
Voltages
98
Interface Board Voltages
99
Motherboard Voltages
99
Flow
100
I/O Board Voltages
100
Pressure
100
Temperatures
100
Analog Input Readings
101
Analog Input Voltages
101
Digital Inputs
101
Relay States
102
Test Analog Outputs
102
Contact Information
103
Instrument Configuration
103
Set Analog Outputs
103
Alarms Menu
104
Internal Temperature
105
Min and Max Internal Temperature Limits
105
Chamber Temperature
106
Cooler Temperature
106
Converter Temperature
107
Permeation Oven Gas Temperature
107
Pressure
108
Flow
109
Min and Max Flow Limits
109
Min and Max Pressure Limits
109
Ozonator Flow
110
Zero and Span Check
110
NO, no , and no Concentration
111
Zero and Span Auto Calibration
111
External Alarms
112
Min and Max NO, no
112
Min Trigger
112
Service Menu
113
PMT Voltage Adjustment
113
Converter Set Temperature
114
Range Mode Select
114
Calibrate Pressure Zero
115
Pressure Calibration
115
Calibrate Pressure Span
116
Flow Calibration
116
Calibrate Flow Zero
117
Input Board Calibration
118
Restore Default Flow Calibration
118
Manual Input Calibration
119
Input Frequency Display
120
Temperature Calibration
120
Analog Output Calibration
121
Analog Input Calibration
122
Analog Input Calibrate Full-Scale
123
Analog Input Calibrate Zero
123
Permeation Oven Settings
124
Calibrate Gas Thermistor
125
Calibrate Oven Thermistor
125
Resistor
125
Water Bath
125
Factory Calibrate Gas Thermistor
126
Low and High Points
126
Permeation Oven Selection
126
Set Defaults
126
Factory Calibrate Oven Thermistor
127
Low and High Points
127
Set Defaults
127
Ozonator Safety
128
Dilution Ratio
129
Display Pixel Test
129
Extended Ranges
129
Password Menu
130
Restore User Defaults
130
Lock Instrument
131
Lock/Unlock and Local/Remote Operation
131
Set Password
131
Change Password
132
Remove Password
132
Unlock Instrument
132
Calibration
134
Equipment Required
134
Compression
134
Drying
134
Oxidation
134
Scrubbing
134
Table 4-1. Scrubbing Materials
134
Zero Gas Generator
134
Figure 4-1. GPT System
135
Flow Controllers
135
Gas Phase Titrator
135
Pressure Regulator
135
Diverter Valve
136
Mixing Chamber
136
Output Manifold
136
Ozone Generator
136
Reaction Chamber
136
Figure 5-1. Inspecting and Replacing the Capillaries
157
Figure 5-2. Inspecting and Cleaning the Fan Filters
159
Figure 5-3. Rebuilding the Pump
161
Table 6-1. Troubleshooting - General Guide
164
Table 6-2. Troubleshooting - Alarm Messages
166
Figure 6-1. Board-Level Connection Diagram - Common Electronics
168
Figure 6-2. Board-Level Connection Diagram - Measurement System
169
Table 6-3. Motherboard Connector Pin Descriptions
170
Table 6-4. Measurement Interface Board Connector Pin Descriptions
175
Table 6-5. Front Panel Board Connector Pin Diagram
177
Table 6-6. I/O Expansion Board (Optional) Connector Pin Descriptions
179
Table 6-7. Digital Output Board Connector Pin Descriptions
180
Table 6-8. Input Board Connector Pin Descriptions
182
Table 6-9. Temperature Control Board Connector Pin Descriptions
182
Figure 7-1. Properly Grounded Antistatic Wrist Strap
188
Table 7-1. Model 42I Replacement Parts
188
Table 7-2. Model 42I Cables
190
Table 7-3. External Device Connection Components
190
Figure 7-2. Component Layout
191
Figure 7-3. Removing the Measurement Bench and Lowering the Partition Panel
192
Figure 7-4. Replacing the Pump
194
Figure 7-5. Replacing the Fan
195
Figure 7-6. PMT Cooler and Reaction Chamber
196
Figure 7-7. Replacing the PMT
198
Figure 7-8. Replacing the PMT HVPS
199
Figure 7-9. Cleaning or Removing the Reaction Chamber
202
Figure 7-10. no -To-NO Molybdenum Converter Assembly
203
Figure 7-11. Replacing the Solenoid Valve
205
Figure 7-12. Replacing the Ozonator Assembly
206
Figure 7-13. Replacing the Input Board
208
Figure 7-14. Replacing the DC Power Supply
210
Figure 7-15. Rear Panel Analog Input and Output Pins
211
Table 7-4. Analog Output Channels and Rear Panel Pin Connections
212
Table 7-5. Analog Input Channels and Rear Panel Pin Connections
212
Figure 7-16. Replacing the Pressure Transducer
216
Figure 7-17. Replacing the Scrubber
221
Figure 7-18. Replacing the I/O Expansion Board (Optional)
222
Figure 7-19. Rear Panel Board Connectors
222
Figure 7-20. Replacing the Measurement Interface Board
225
Figure 7-21. Replacing the Flow Transducer
226
Figure 7-22. Replacing the Front Panel Board and the LCD Module
229
Figure 8-1. Hardware Components
232
Table 8-1. RS-232 DB9 Connector Pin Configurations
242
Table 8-2. RS-485 DB9 Connector Pin Configuration
242
Figure 9-1. Flow Diagram, Zero/Span Option
244
Figure 9-2. Flow Diagram, Internal Permeation with Zero/Span Valve
245
Figure 9-3. Flow Diagram, Lag Volume
254
Table 9-1. Cable Options
256
Table 9-2. Color Codes for 25-Pin and 37-Pin Cables
256
Table 9-3. Mounting Options
257
Figure 9-1. Bench Mounting
258
Figure 9-2. EIA Rack Mounting
259
Figure 9-3. Retrofit Rack Mounting
260
Figure 9-4. Rack Mount Option Assembly
261
Table B-1. Error Response Messages
267
Table B-1. C-Link Protocol Commands
267
Table B-2. Averaging Times
275
Figure B-1. Flags
278
Table B-3. Alarm Trigger Values
282
Table B-4. Record Output Formats
287
Table B-5. Stream Time Values
291
Table B-6. Standard Ranges
299
Table B-7. Extended Ranges
300
Table B-8. Contrast Levels
303
Table B-9. Reply Termination Formats
310
Table B-10. Allow Mode Command Values
312
Table B-11. Power up Mode Values
312
Table B-12. Set Layout Ack Values
313
Table B-13. Analog Current Output Range Values
314
Table B-14. Analog Voltage Output Range Values
315
Table B-15. Default Output Assignment
316
Table C-1. Read Coils for 42I
332
Table C-2. Read Registers for 42I
335
Table C-3. Write Coils for 42I
337
Table D-1. Operating Status for Model 42I
345
Table D-2. Error Status for Model 42I
345
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Thermo Scientific 42i Specifications
General
Brand
Thermo Scientific
Model
42i
Category
Measuring Instruments
Language
English
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