Page 1 Model 15i Instruction Manual Gas Filter Correlation HCl Analyzer Part Number 102866-00 15Feb2008...
Page 2 © 2008 Thermo Fisher Scientific Inc. All rights reserved. Specifications, terms and pricing are subject to change. Not all products are available in all countries. Please consult your local sales representative for details. Thermo Fisher Scientific Air Quality Instruments 27 Forge Parkway...
Page 3 Further information on Thermo Fisher Scientific’s compliance with these Directives, the recyclers in your country, and information on Thermo Fisher Scientific products which may assist the detection of substances subject to the RoHS Directive are available at: www.thermo.com/WEEERoHS.
Page 5 About This Manual This manual provides information about installing, operating, maintaining, and servicing the Model 15i analyzer. It also contains important alerts to ensure safe operation and prevent equipment damage. The manual is organized into the following chapters and appendices to provide direct access to specific operation and service information.
Page 6 Safety and Equipment Damage Alerts in this Manual Alert Description WARNING The Model 15i is supplied with a three-wire grounded power cord. Under no circumstances should this ▲ grounding system be defeated. If the equipment is operated in a manner not specified by the manufacturer, the protection provided by the ▲...
Page 7 Operation of this equipment in a residential area is likely to cause harmful interference, in Thermo Fisher Scientific Model 15i Instruction Manual...
Page 8 Where to Get Help Service is available from exclusive distributors worldwide. Contact one of the phone numbers below for product support and technical information or visit us on the web at www.thermo.com/aqi. 1-866-282-0430 Toll Free 1-508-520-0430 International Model 15i Instruction Manual...
Page 9: Table Of Contents
Custom Ranges ................3-15 Averaging Time................. 3-15 Calibration Factors Menu ..............3-16 HCl Background................3-16 HCl Coefficient ................3-17 Reset User Calibration Defaults ............. 3-18 Calibration Menu ................3-18 Calibrate HCl Background............. 3-19 Thermo Fisher Scientific Model 15i Instruction Manual...
Page 10 Streaming Data Configuration ............ 3-34 Streaming Data Interval .............. 3-34 Choose Stream Data ..............3-35 Concentrations................3-35 Other Measurements..............3-36 Analog Inputs................3-36 TCP/IP Settings................3-37 Use DHCP ................. 3-37 IP Address................... 3-37 Netmask..................3-38 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 11 Interface Board Voltages ............. 3-55 I/O Board Voltages ..............3-56 Temperatures ................. 3-56 Pressure..................3-56 Flow....................3-57 Sample/Reference Ratio ..............3-57 AGC Intensity................3-57 Motor Speed .................. 3-58 Analog Input Readings..............3-58 Analog Input Voltages..............3-58 Thermo Fisher Scientific Model 15i Instruction Manual...
Page 12 Calibrate Point 1/2/3 ..............3-74 Coefficients ................. 3-75 Default Coefficients ..............3-75 Preamp Board Calibration.............. 3-75 Temperature Calibration..............3-76 Analog Output Calibration ............3-76 Analog Output Calibrate Zero ............ 3-77 Analog Output Calibrate Full-Scale ..........3-77 viii Model 15i Instruction Manual Thermo Fisher Scientific...
Page 13 Fan Filter Inspection and Cleaning ............. 5-3 Leak Test and Pump Check Out............5-4 External Leaks .................. 5-4 Leaks Across the Optional Zero/Span and Sample Solenoid Valves .. 5-5 Pump Rebuilding ................5-5 Thermo Fisher Scientific Model 15i Instruction Manual...
Page 14 Calibrating the Input Channels to Zero Volts ........ 7-31 Calibrating the Input Channels to Full-Scale ......... 7-32 Thermistor Replacement..............7-33 Ambient Temperature Calibration ............ 7-34 I/O Expansion Board (Optional) Replacement ......... 7-35 Digital Output Board Replacement........... 7-37 Motherboard Replacement..............7-37 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 15 Analog Voltage Inputs (Optional) ............ 8-8 Digital Relay Outputs ..............8-9 Digital Inputs................... 8-9 Serial Ports ..................8-9 RS-232 Connection ............... 8-10 RS-485 Connection ............... 8-10 Ethernet Connection..............8-11 External Accessory Connector ............8-11 Thermo Fisher Scientific Model 15i Instruction Manual...
Page 16 Format Specifier for ASCII Responses..........B-46 Format Specifier for Binary Responses ...........B-47 Format Specifier for Erec Layout............B-47 Text ....................B-47 Value String ................B-48 Value Source ................B-48 Alarm Information ..............B-48 Translation Table................B-48 Selection Table................B-48 Button Designator...............B-49 Examples..................B-49 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 17 Instrument Control Command (ST)..........D-3 Data Sampling/Data Query Command (DA)........D-4 Measurements reported in response to DA command ..... D-6 Single Range Mode ..............D-6 Dual/Auto Range Mode............... D-6 Operating and Error Status ............. D-6 Thermo Fisher Scientific Model 15i Instruction Manual xiii...
Page 18 Contents Model 15i Instruction Manual Thermo Fisher Scientific...
Page 19 Figures Figure 1–1. Model 15i Flow Schematic ............. 1-3 Figure 2–1. Remove the Packing Material ............2-2 Figure 2–2. Removing the Shipping Screws ............2-2 Figure 2–3. Model 15i Rear Panel..............2-3 Figure 2–4. Atmospheric Dump Bypass Plumbing ..........2-4 Figure 2–5.
Page 20 Figure 8–1. Hardware Components ..............8-2 Figure 9–1. Purge Housing Assembly ..............9-2 Figure 9–2. Bench Mounting................9-5 Figure 9–3. EIA Rack Mounting ................9-6 Figure 9–4. Retrofit Rack Mounting..............9-7 Figure 9–5. Rack Mount Option Assembly ............9-8 Figure B–1. Flags Field..................B-12 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 21 Tables Table 1–1. Model 15i Specifications ..............1-3 Table 2–1. I/O Terminal Board Pin Descriptions ..........2-6 Table 2–2. Default Analog Outputs..............2-7 Table 2–3. D/O Terminal Board Pin Descriptions..........2-8 Table 2–4. 25-Pin Terminal Board Pin Descriptions........... 2-9 Table 3–1. Front Panel Pushbuttons..............3-3 Table 3–2.
Page 22 Table C–1. Read Coils for 15i ................C-8 Table C–2. Read Registers for 15i..............C-9 Table C–3. Write Coils for 15i ................C-11 Table D–1. Operating Status for Model 15i ............D-7 Table D–2. Error Status for Model 15i .............. D-7 xviii Model 15i Instruction Manual...
Page 23: Chapter 1 Introduction
Chapter 1 Introduction The Model 15i HCl Analyzer measures HCl concentrations using Gas Filter Correlation (GFC). The Model 15i combines proven technology, easy to use menu-driven firmware, and advanced diagnostics to offer unsurpassed flexibility and reliability. The Model 15i has the following...
Page 24: Principle Of Operation
The Model 15i uses an internally stored calibration curve to accurately linearize the instrument output over any range up to a concentration of 5000 ppm. The sample is drawn into the Model 15i through the sample bulkhead, as shown in Figure 1–1.
Page 25: Specifications
Specifications Figure 1–1. Model 15i Flow Schematic Specifications Table 1–1 lists the specifications for the Model 15i. Table 1–1. Model 15i Specifications Preset ranges 0-5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000 ppm 0-10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 7500 mg/m...
Page 26 MODBUS, Geysitech (Bayern-Hessen), and streaming data (all user selectable) Ethernet connection RJ45 connector for 10 Mbs Ethernet connection, static or dynamic TCP/IP addressing, up to 3 simultaneous connections per protocol *In non-condensing environments Model 15i Instruction Manual Thermo Fisher Scientific...
Page 27: Chapter 2 Installation
▲ Unpacking and The Model 15i is shipped complete in one container. If there is obvious damage to the shipping container when the instrument is received, notify Inspection the carrier immediately and hold for inspection. The carrier is responsible for any damage incurred during shipment.
Page 28: Figure 2-1. Remove The Packing Material
Units without Optional I/O Board Units with Optional I/O Board Figure 2–1. Remove the Packing Material 4. Remove the three shipping screws from the pump (Figure 2–2). Shipping Screws (3) Figure 2–2. Removing the Shipping Screws Model 15i Instruction Manual Thermo Fisher Scientific...
Page 29: Setup Procedure
OD of 1/4-inch and a minimum ID of 1/8-inch. The length of the tubing should be less than 10 feet. Figure 2–3. Model 15i Rear Panel Note Gas must be delivered to the instrument free of particulates. It may be necessary to use the Teflon particulate filter as described in “Teflon...
Page 30: Figure 2-4. Atmospheric Dump Bypass Plumbing
“I/O Configuration” on page 3-39 “External Device Connection Components” on page “Terminal Block and Cable Kits” on page For detailed information about troubleshooting a connection, refer to “Analog Output Testing” on page 7-28. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 31: Connecting External Devices
Installation Connecting External Devices 5. Plug the instrument into an outlet of the appropriate voltage and frequency. WARNING The Model 15i is supplied with a three-wire grounded power cord. Under no circumstances should this grounding system be defeated. ▲ Connecting Several components are available for connecting external devices to iSeries instruments.
Page 32: Figure 2-5. I/O Terminal Board Views
TTL_Input5 Analog ground TTL_Input6 Analog6 TTL_Input7 Analog ground Digital ground The analog outputs are arranged on the rear panel connector as shown in Figure 2–6. See Table 2–2 for channels and pin connections. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 33: D/O Terminal Board
Figure 2–7 shows the recommended method for attaching the cable D/O Terminal Board (customer supplied) to the terminal board using the included tie-down and spacer. Table 2–3 identifies the connector pins and associated signals. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 34: 25-Pin Terminal Board
25-Pin Terminal Board Board. Figure 2–8 shows the recommended method for attaching the cable (customer supplied) to the terminal board using the included tie-down and spacer. Table 2–4 identifies the connector pins and associated signals. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 35: Figure 2-8. 25-Pin Terminal Board Views
Screw Signal Description IOut1 Analog_In1 Isolated ground Analog_In2 IOut2 Analog_In3 Isolated ground Ground IOut3 Analog_In4 Isolated ground Analog_In5 IOut4 Analog_In6 Isolated ground Ground IOut5 Analog_In7 Isolated ground Analog_In8 IOut6 Ground Isolated ground Ground Thermo Fisher Scientific Model 15i Instruction Manual...
Page 36: Startup
3. Set instrument parameters such as operating ranges and averaging times to appropriate settings. For more information about instrument parameters, see the “Operation” chapter. 4. Before beginning the actual monitoring, perform a multipoint calibration as described in the “Calibration” chapter. 2-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 37: Chapter 3 Operation
Some menus contain more items than can be displayed at one time. For these menus, use to move the cursor up and down to each item. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 38: Pushbuttons
If the liquid crystal contacts your skin or clothes, wash it off immediately using soap and water. ▲ Pushbuttons The Pushbuttons allow the user to traverse the various screens/menus. Figure 3–2. Front Panel Pushbuttons Model 15i Instruction Manual Thermo Fisher Scientific...
Page 39: Soft Keys
All items under the Service menu (including the menu itself) cannot be assigned soft keys. ▲ Thermo Fisher Scientific Model 15i Instruction Manual...
Page 40: Alphanumeric Entry Screen
RANGE DIAGS ALARM RANGE DIAGS ALARM Firmware The Model 15i utilizes the menu-driven firmware as illustrated by the flowchart in Figure 3–3. The Power-Up screen, shown at the top of the Overview flowchart, is displayed each time the instrument is turned on. This screen is displayed while the instrument is warming up and performing self-checks.
Page 41: Figure 3-3. Flowchart Of Menu-Driven Firmware
Operation Firmware Overview Figure 3–3. Flowchart of Menu-Driven Firmware Thermo Fisher Scientific Model 15i Instruction Manual...
Page 42: Power-Up Screen
Operation Firmware Overview Power-Up Screen The Power-Up screen is displayed when power is applied to the Model 15i. This screen is displayed while the internal components are warming up and diagnostic checks are being performed. Please wait while booting... Run Screen The Run screen displays the HCl concentrations.
Page 43: Main Menu
Mode” later in this chapter. to move the cursor up and down. ● Press to make a selection. ● Press to return to the Main Menu or to return to the Run ● screen. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 44: Range Menu
Figure 3–4. See Table 3–2 for channels and pin connections. Single range mode may be selected from the “Range Mode Select” in the “Service Menu”, later in this chapter. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 45: Dual Range Mode
For example, the low HCl analog output can be set to output concentrations from 0 to 50 ppm and the high HCl analog output set to output concentrations from 0 to 100 ppm. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 46: Figure 3-5. Pin-Out Of Rear Panel Connector In Dual Range Mode
2, 4, 6, 8, 10, 12 Signal Ground Note All channels are user definable. If any customization has been made to the analog output configuration, the default selections may not apply. ▲ 3-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 47: Auto Range Mode
This is necessary if the two ranges are not close to one another. For example, the low HCl range is set to 0–5 ppm and the high HCl range is set to 0–5000 ppm. Figure 3–6. Analog Output in Auto Range Mode Thermo Fisher Scientific Model 15i Instruction Manual 3-11...
Page 48: Figure 3-7. Pin-Out Of Rear Connector In Auto Range Mode
2, 4, 6, 8, 10, 12 Signal Ground Note All channels are user definable. If any customization has been made to the analog output configuration, the default selections may not apply. ▲ 3-12 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 49: Gas Units
“Single Range Mode”, “Dual Range Mode”, and “Auto Range Mode” earlier in this chapter. Table 3–5 lists the standard ranges. In the Main Menu, choose Range > Range. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-13...
Page 50: Set Custom Ranges
In the Main Menu, choose Range > Set Custom Ranges. ● CUSTOM RANGES: >CUSTOM RANGE 1 55.6 CUSTOM RANGE 2 75.0 CUSTOM RANGE 3 125.0 RANGE DIAGS ALARM 3-14 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 51: Custom Ranges
The Averaging Time screen functions the same way in the single, dual, and auto range modes. The following averaging times are available: 1, 2, 5, 10, 20, 30, 60, 90, 120, 180, 240, and 300 seconds. In the Main Menu, choose Averaging Time. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-15...
Page 52: Calibration Factors Menu
HCl reading. This reading is the HCl background signal. The second line of the display shows the HCl background correction that is stored in memory and is being used to correct the HCl reading. 3-16 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 53: Hcl Coefficient
However, no actual changes are made to the value stored in memory until is pressed. Only proposed changes, as indicated by a question mark prompt, are displayed until is pressed. Thermo Fisher Scientific Model 15i Instruction Manual 3-17...
Page 54: Reset User Calibration Defaults
For example, a low HCl range of 0-5 ppm and a high HCl range of 0-5000 ppm. For more information about calibration, see Chapter 4, “Calibration”. In the Main Menu, choose Calibration. ● 3-18 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 55: Calibrate Hcl Background
It is important to note the averaging time when calibrating. The longer the averaging time, the more accurate the calibration will be. To be most accurate, use the 300-second averaging time. For more information about calibration, see Chapter 4, “Calibration”. Thermo Fisher Scientific Model 15i Instruction Manual 3-19...
Page 56: Zero/Span Check
NEXT DATE AND TIME: NEXT DATE AND TIME: 19 MAR 2007 12:34 19 MAR 2007 12:34 ? PRESS TO EDIT SETTING: DAYS SET MONTHS CHANGE VALUE SAVE VALUE RANGE DIAGS ALARM RANGE DIAGS ALARM 3-20 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 57: Period Hours
In the Main Menu, choose Calibration > Zero/Span Check > Zero, ● Span or Purge Duration Min. ZERO DURATION: CURRENTLY: 30 MIN SET TO: 31 MIN ? MOVE CURSOR CHANGE VALUE SAVE RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-21...
Page 58: Zero/Span Averaging Time
This value may be set from 1 to 10, with 1 as default. In the Main Menu, choose Calibration > Zero/Span Check > ● Zero/Span Ratio. ZERO/SPAN RATIO: CURRENTLY: SET TO: 2:1 ? CHANGE VALUE SAVE VALUE RANGE DIAGS ALARM 3-22 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 59: Instrument Controls Menu
4 months (>190,000 total records). The Datalogging Settings menu allows the user flexibility in how data is stored and recorded. In the Main Menu, choose Instrument Controls > Datalogging ● Settings. Thermo Fisher Scientific Model 15i Instruction Manual 3-23...
Page 60: Select Srec/Lrec
The Number of Records screen is used to select the number of records to view, ending with the most recent. It also shows the total number of records that have been logged for the selected record type. 3-24 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 61: Date And Time
DIAGS ALARM The Record Display screen (read only) displays the selected records. time date flags 10:01 01/20/07 8105151 10:02 01/20/07 8105151 10:03 01/20/07 8105151 10:04 01/20/07 8105151 PGUP/DN PAN L/R RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-25...
Page 62: Erase Log
Choices are Concentrations, Other Measurements, and Analog Inputs (if the I/O expansion board is installed). In the Main Menu, choose Instrument Controls > Datalogging Settings ● > Select Content > Field 1–32. 3-26 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 63: Concentrations
“Commit Content” below. In the Main Menu, choose Instrument Controls > Datalogging Settings ● > Select Content > select Field > Other Measurements. Thermo Fisher Scientific Model 15i Instruction Manual 3-27...
Page 64: Commit Content
“NO CHANGES TO RECORD LIST!” will appear. For more information about selecting the content of logged data fields, see “Select Content” above. In the Main Menu, choose Instrument Controls > Datalogging Settings ● > Commit Content. 3-28 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 65: Reset To Default Content
The Logging Period Min screen is used to select the logging period in minutes for the selected record format (srec or lrec). List of choices include: off, 1, 5, 15, 30, and 60 minutes (default). Thermo Fisher Scientific Model 15i Instruction Manual 3-29...
Page 66: Memory Allocation Percent
Note This feature is found in all iSeries instruments, but it is recommended that the data type be set to ONLY the current value (cur), as the datalogging averaging is done in addition to the normal concentration averaging. ▲ 3-30 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 67: Communication Settings
Baud rates of 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200 are available. The analyzer’s default baud rate is set to 9600 to provide backwards compatibility with the older C-series analyzers. Thermo Fisher Scientific Model 15i Instruction Manual 3-31...
Page 68: Baud Rate
The Stop Bits screen is used to set the number of stop bits for the serial port to 1 (default) or 2. In the Main Menu, choose Instrument Controls > Communication ● Settings > Serial Settings > Stop Bits. 3-32 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 69: Rs-232/Rs-485 Selection
ID number if two or more instruments of the same model are connected to one computer. Valid instrument ID numbers are from 0 to 127. The Model 15i has a default instrument ID of 15. For more information about the instrument ID, see Appendix B “C-Link...
Page 70: Communication Protocol
The Streaming Data Interval screen is used to adjust how frequently a new record will be generated. The following interval times are available: 1, 2, 5, 10, 20, 30, 60, 90, 120, 180, 240, and 300 seconds. 3-34 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 71: Streaming Data Interval
“HI” or “LO” is displayed to indicate high or low range concentrations. In the Main Menu, choose Instrument Controls > Communication ● Settings > Streaming Data Config > select Item > Concentrations. Thermo Fisher Scientific Model 15i Instruction Manual 3-35...
Page 72: Other Measurements
In the Main Menu, choose Instrument Controls > Communication ● Settings > Streaming Data Config > select Item > Analog Inputs. ANALOG INPUTS: >NONE ANALOG IN 1 ANALOG IN 2 ANALOG IN 3 ANALOG IN 4 RANGE DIAGS ALARM 3-36 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 73: Tcp/Ip Settings
“NOT SETTABLE IF DHCP IS ON”. For more information on DHCP, see “Use DHCP” above. In the Main Menu, choose Instrument Controls > Communication ● Settings > TCP/IP Settings > IP Addr. Thermo Fisher Scientific Model 15i Instruction Manual 3-37...
Page 74: Ip Address
In the Main Menu, choose Instrument Controls > Communication ● Settings > TCP/IP Settings > Gateway. DEFAULT GATEWAY: CURRENT: 10.209.42.1 SET TO: 10.209.42.1 MOVE CURSOR CHANGE VALUE SAVE VALUE RANGE DIAGS ALARM 3-38 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 75: Host Name
The I/O Configuration menu deals with configuration of the analyzer’s I/O system. The analog input configuration is displayed only if the I/O expansion board option is installed. In the Main Menu, choose Instrument Controls > I/O Configuration. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-39...
Page 76: Output Relay Settings
Press to toggle and set the logic state to normally open or ● normally closed. OUTPUT RELAY SETUP: >LOGIC STATE OPEN INSTRUMENT STATE RANGE DIAGS ALARM 3-40 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 77: Instrument State
CONC MAX CONC MIN INT TEMP RANGE DIAGS ALARM BENCH TEMP PRESSURE SAMPLE FLOW INTENSITY MOTOR SPEED BIAS VOLTAGE MB STATUS MIB STATUS I/O BD STATUS CONC ALARM ZERO CHK/CAL SPAN CHK/CAL Thermo Fisher Scientific Model 15i Instruction Manual 3-41...
Page 78: Digital Input Settings
In the Main Menu, choose Instrument Controls > I/O Configuration > ● Digital Input Settings. DIGITAL INPUT SETTINGS: >1 SET BACKGROUND CAL TO LO SPAN AOUTS TO ZERO AOUTS TO FS NONE RANGE DIAGS ALARM 3-42 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 79: Logic State
1–6, and individual current channels 1–6 (if the I/O expansion board option is installed). In the Main Menu, choose Instrument Controls > I/O Configuration > ● Analog Output Config. Thermo Fisher Scientific Model 15i Instruction Manual 3-43...
Page 80: Allow Over/Under Range
Analog Output Config > All Voltage Channels, All Current Channels, Voltage Channel 1–6 or Current Channel 1–6. ANALOG OUTPUT CONFIG: >SELECT RANGE SET MINIMUM VALUE SET MAXIMUM VALUE CHOOSE SIGNAL TO OUTPUT RANGE DIAGS ALARM 3-44 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 81: Select Range
● Analog Output Config > select Channel > Set Minimum or Maximum Value. MINIMUM OUTPUT PERCENT: SELECTED OUTPUT: V ALL CURRENTLY: N/A % SET TO: 0000.5 CHANGE VALUE SAVE RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-45...
Page 82: Table 3-6. Analog Output Zero To Full-Scale
In the Main Menu, choose Instrument Controls > I/O Configuration > ● Analog Output Config > select Channel > Choose Signal to Output. CHOOSE SIGNAL TYPE: >CONCENTRATIONS OTHER MEASUREMENTS ANALOG INPUTS RANGE DIAGS ALARM 3-46 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 83: Choose Signal To Output
Descriptor, Units, Decimal Places, choice of 1–10 points in the table, and corresponding number of points selected. In the Main Menu, choose Instrument Controls > I/O Configuration > ● Analog Input Config. Thermo Fisher Scientific Model 15i Instruction Manual 3-47...
Page 84: Units
The units may be from 1 to 3 characters in length, and defaults to V (volts). In the Main Menu, choose Instrument Controls > I/O Configuration > ● Analog Input Config > select Channel > Units. 3-48 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 85: Number Of Table Points
In the Main Menu, choose Instrument Controls > I/O Configuration > ● Analog Input Config > select Channel > Table Points. NUMBER OF TABLE POINTS: CURRENTLY: SET TO: 10 ? INC/DEC SAVE VALUE RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-49...
Page 86: Volts
1: 0.00 V = 000.0 U and point 2: 10.00 V = 10.0 U, where U is the previously entered unit of measure. In the Main Menu, choose Instrument Controls > I/O Configuration > ● Analog Input Config > select Channel > select Point > User Value. 3-50 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 87: Temperature Compensation
When pressure compensation is off, the first line of the display shows the factory standard pressure of 750.0 mmHg. In the Main Menu, choose Instrument Controls > Pressure ● Compensation. Thermo Fisher Scientific Model 15i Instruction Manual 3-51...
Page 88: Pressure Compensation
Turning service mode “ON” locks out any remote actions and allows access to parameters and functions that are useful when making adjustments or diagnosing the Model 15i. The service (wrench) icon on the status bar is shown when service mode is on. For more information about the service mode, see “Service...
Page 89: Date/Time
DLE (GMT-12), EDT (GMT+5/4), CDT (GMT+6/5), MDT (GMT+7/6), and PDT (GMT+8/7). Note The current timezone may say NULL before the timezone is set for the first time, or if the timezone was cleared with a C-Link command. ▲ Thermo Fisher Scientific Model 15i Instruction Manual 3-53...
Page 90: Diagnostics Menu
Prior to contacting the factory with any questions regarding the instrument, please note the product model name and the program version numbers. In the Main Menu, choose Diagnostics > Program Versions. ● 3-54 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 91: Voltages
Interface Board Voltages The Interface Board screen (read only) is used to display the voltage readings on the measurement interface board. In the Main Menu, choose Diagnostics > Voltages > Interface Board. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-55...
Page 92: Interface Board Voltages
RANGE DIAGS ALARM Pressure The Pressure screen (read only) displays the current optical bench pressure. The pressure is measured by a pressure transducer. In the Main Menu, choose Diagnostics > Pressure. ● 3-56 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 93: Flow
Automatic Gain Control (AGC) circuit. The AGC circuit optimizes the noise and resolution levels of the analyzer. The AGC intensity reading should be about 250,000 Hertz. In the Main Menu, choose Diagnostics > AGC Intensity. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-57...
Page 94: Motor Speed
The Analog Input Voltages screen (read only) displays the 8 raw analog voltage readings (if the I/O expansion board option is installed). Voltages In the Main Menu, choose Diagnostics > Analog Input Voltages. ● 3-58 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 95: Digital Inputs
Channel choices include all analog outputs, 6 voltage channels, and 6 current channels (if the I/O expansion board option is installed). In the Main Menu, choose Diagnostics > Test Analog Outputs. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-59...
Page 96: Set Analog Outputs
ON in order to do zero and span calibration resets. ▲ In the Main Menu, choose Diagnostics > Instrument Configuration. ● 3-60 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 97: Contact Information
There are no setting screens for these alarms. If any alarms are active, the alarm (bell) icon is displayed on the right side of the status bar. In the Main Menu, choose Alarms. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-61...
Page 98: Internal Temperature
Temperature Limits the minimum internal temperature alarm limit. The minimum and maximum internal temperature screens function the same way. In the Main Menu, choose Alarms > Internal Temp > Min or Max. ● 3-62 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 99: Bench Temperature
250 to 1,000 mmHg. If the pressure reading goes beyond either the minimum or maximum limit, an alarm is activated and the alarm (bell) icon appears in the status bar on the Run screen and in the Main Menu. Thermo Fisher Scientific Model 15i Instruction Manual 3-63...
Page 100: Sample Flow
Min and Max Sample The Minimum Sample Flow alarm limit screen is used to change the minimum sample flow alarm limit. The minimum and maximum sample Flow Limits flow screens function the same way. 3-64 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 101: Bias Voltage
The AGC Intensity screen displays the current AGC Intensity reading and sets the minimum and maximum alarm limits. Acceptable alarm limits range from 150,000 to 300,000 Hz. If the AGC intensity reading goes Thermo Fisher Scientific Model 15i Instruction Manual 3-65...
Page 102: Motor Speed
DIAGS ALARM Zero and Span Check The Zero and Span Check screens allow the user to view the status of the most recent zero/span checks and set the maximum check offset. (The 3-66 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 103: Max Zero And Span Check Offset
In the Main Menu, choose Alarms > Zero or Span Autocal. ● ZERO AUTO CALIBRATION: ALARM: RESPONSE: 5.00 RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-67...
Page 104: Concentration
(alarm is triggered when the concentration goes above the minimum value). In the Main Menu, choose Alarms > Concentration > Min Trigger. ● 3-68 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 105: Service Menu
For more information on the service mode, see “Service Mode” earlier in this chapter. In the Main Menu, choose Service > Range Mode Select. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-69...
Page 106: Pressure Calibration
The Calibrate Pressure Zero screen calibrates the pressure sensor at zero pressure. Note A vacuum pump must be connected to the pressure sensor before performing the zero calibration. ▲ In the Main Menu, choose Service > Pressure Calibration > Zero. ● 3-70 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 107: Calibrate Pressure Zero
In the Main Menu, choose Service > Pressure Calibration > Set ● Defaults. RESTORE DEFAULT CAL: RESTORE DEFAULT CAL: RESTORE RESTORE ARE YOU SURE YOU WANT TO?x PRESS TO CONFIRM RESTORE RANGE DIAGS ALARM RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-71...
Page 108: Flow Calibration
The Calibrate Flow Span screen allows the user to view and set the flow sensor calibrate span point. Note An independent flow sensor is required to read the flow, then the operator enters the flow value on this screen to perform the calibration. ▲ 3-72 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 109: Calibrate Flow Span
“Service Mode” earlier in this chapter. Note This adjustment should only be performed by an instrument service technician. ▲ In the Main Menu, choose Service > Initial S/R Ratio. ● Thermo Fisher Scientific Model 15i Instruction Manual 3-73...
Page 110: Multi-Point Calibration
The Calibrate Point 1 screen allows the user to view and set the selected calibration point. The calibrate 2 and calibrate 3 screens function the same way. In the Main Menu, choose Service > Multipoint Cal > Calibrate 1, 2 ● or 3. 3-74 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 111: Coefficients
The Pre-amp Board Calibration screen is used to adjust the preamp board calibration parameters. The preamp board calibration screen is visible only when the instrument is in service mode. For more information on the service mode, see “Service Mode” earlier in this chapter. Thermo Fisher Scientific Model 15i Instruction Manual 3-75...
Page 112: Temperature Calibration
I/O expansion board is installed. The analog output calibration menu is visible only when the instrument is in service mode. For more information on the service mode, see “Service Mode” earlier in this chapter. 3-76 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 113: Analog Output Calibrate Zero
“set output to:” field, in either V or mA, depending on the selected output channel. Thermo Fisher Scientific Model 15i Instruction Manual 3-77...
Page 114: Analog Input Calibration
The Analog Input Calibrate Zero screen allows the user to calibrate the zero state of the selected analog input. Zero In the Main Menu, choose Service > Analog Input Cal > select Channel ● > Calibrate Zero. 3-78 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 115: Analog Input Calibrate Zero
The Display Pixel Test screen is used to test the LCD display, by toggling between all pixels on and all pixels off to ensure that they are functioning properly. The display pixel test screen is visible only when the instrument is Thermo Fisher Scientific Model 15i Instruction Manual 3-79...
Page 116: Restore User Defaults
The password (lock) icon on the right side of the status bar indicates that the password lock is active. The items visible under the Password menu are determined by the instrument’s password status. In the Main Menu, choose Password. ● 3-80 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 117: Set Password
Instrument, the instrument reports being in Remote mode. In this mode, Local/Remote Operation the front panel is “locked”, where data can be viewed, settings can be viewed but not changed using the front panel interface, and the remote “Set” commands are active. Thermo Fisher Scientific Model 15i Instruction Manual 3-81...
Page 118: Change Password
In the Main Menu, choose Password > Remove Password ● REMOVE PASSWORD: XXXPRESSING ENTER WILLXXXX XREMOVE CURRENT PASSWORDXX XXXAND DISABLE LOCKINGXXXX REMOVE PASSWORD RANGE DIAGS ALARM 3-82 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 119: Unlock Instrument
The unlock instrument screen is shown if the instrument is locked. In the Main Menu, choose Password > Unlock Instrument ● ENTER THE PASSWORD: RANGXXXXXE ABCDEFGHIJKLMN BKSP OPQRSTUVWXYZ PAGE 0123456789 ./- SAVE RANGE DIAGS ALARM Thermo Fisher Scientific Model 15i Instruction Manual 3-83...
Page 121: Calibration
Calibration requires zero air that is free of contaminants which will cause a detectable response on the HCl analyzer. The zero air should contain <0.01 ppm HCl. Since the Model 15i is virtually interference free, it is only necessary to ensure that HCl has been removed.
Page 122: Pressure Regulator For Hcl Standard Cylinder
Perform the service checks of the “Preventive Maintenance” chapter. Select the operating range and the averaging time of the Model 15i. Note The averaging time should be less than the zero duration and less than the span duration. ▲...
Page 123: Calibration
Since not all flow controllers have a positive shut off, it might be necessary to disconnect the HCl input line and cap it. 3. Allow the instrument to sample zero air until a stable reading is obtained. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 124: Span Adjust
The second line of the display shows the HCl range and the third line is where the HCl concentration is entered. 4. Enter the HCl calibration gas concentration using the pushbuttons, and then press to calibrate the HCl reading to the HCl calibration gas. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 125: Calibration Frequency
HCl using a system similar to that of Figure 4–1, or by using a low level cylinder of HCl containing HCl in air at a concentration of approximately 80% of the URL. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 126: Hi And Lo Multi-Point Calibration
● Cal point 2 ● Cal point 3 ● The customer defines the ranges and Thermo Fisher Scientific recommends the following calibration points for each range: Cal point 1: 80% of range ● Cal point 2: 50% of range ●...
Page 127 Press The instrument will perform a series of calculations and save the new parameters. 9. Press to back up a step in the Service Mode menu. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 128 Service Mode menu. 14. Select Coefficients and press The instrument will automatically calculate the new coefficients and save the new parameters. 15. Repeat Steps 1 through 12 for Hi Multi-Point Cal. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 129 Read the safety precautions before beginning any procedures in this chapter. Precautions WARNING If the equipment is operated in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. ▲ Thermo Fisher Scientific Model 15i Instruction Manual...
Page 130: Chapter 5 Preventive Maintenance
Use the following procedure to clean the mirrors. 1. Turn off power and disconnect power line. 2. Remove the field mirror by removing the four Allen head screws holding it to the main bench (use a 9/64-inch Allen wrench). Model 15i Instruction Manual Thermo Fisher Scientific...
Page 131: Ir Source Replacement
After cleaning the optics, the IR light intensities remain below 10,000 ● It is not necessary to recalibrate the Model 15i after replacing the IR source since it is a ratio instrument, and replacing the IR source does not affect the calibration.
Page 132: Leak Test And Pump Check Out
If the pump diaphragm is in good condition and the capillary not blocked, it should take less than one minute from the time the inlet is plugged to the time the reading below 250 mmHg is obtained. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 133: Leaks Across The Optional Zero/Span And Sample Solenoid Valves
1. Turn the instrument OFF, unplug the power cord, and remove the cover. 2. Loosen the fittings and remove both lines going to the pump. 3. Remove the four screws from the top plate, remove top plate, flapper valve, and the bottom plate. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 134: Figure 5-2. Rebuilding The Pump
Teflon (white) side of the diaphragm is facing up and that the flapper valves cover the holes of the top and bottom plate. 6. Perform the “Leak Test and Pump Check Out” on page 5-4. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 135: Chapter 6 Troubleshooting
The Technical Support Department at Thermo Fisher Scientific can also be consulted in the event of problems. See “Service Locations” on page for contact information.
Page 136: Table 6-1. Troubleshooting - General Guide
Find and repair leak. properly Pressure or temperature Recalibrate pressure and transducer out of calibration temperature transducer. Dirty system Clean cells and flow components. Leaky correlation wheel Replace with a known good wheel. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 137: Troubleshooting
Defective measurement Replace measurement interface board interface board. Defective pre-amp board Replace pre-amp board. Alarm - AGC intensity Pre-amp Gain not set Check Gain adjustment. properly Defective measurement Replace measurement interface board interface board. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 138 Internal cables not Check that all internal cables connected properly are connected properly. Alarm - Interface Status Recycle AC power to Board is defective Alarm - I/O Exp Status instrument. If still alarming, change board. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 139: Board-Level Connection Diagrams
PO W ER 2 Pin AC INPUT 3 Cond SU PPLY FRON T PAN EL 3 Pin PO WER SW TRAN SFORM ER (90VAC or 240VAC Options) Figure 6–1. Board-Level Connection Diagram - Common Electronics Thermo Fisher Scientific Model 15i Instruction Manual...
Page 140: Figure 6-2. Board-Level Connection Diagram - Measurement System
FAN SW2 2 Pin 2 Pin O2 SENSOR 16 Pin AC O2 (Not Used) 3 Pin AC BENCH 4 Pin 3 Pin AC PUMP 3 Pin Figure 6–2. Board-Level Connection Diagram - Measurement System Model 15i Instruction Manual Thermo Fisher Scientific...
Page 141: Connector Pin Descriptions
Ethernet Output (+) Ethernet Output (-) Ethernet Input (+) Ethernet Input (-) INTF DATA Ground +RS485 to Interface Board -RS485 to Interface Board 10-BASE-T Ethernet Output (+) Ethernet Output (-) Ethernet Input (+) Thermo Fisher Scientific Model 15i Instruction Manual...
Page 142 TTL Input 1 TTL Input 2 Ground TTL Input 5 TTL Input 7 TTL Input 8 TTL Input 10 Ground TTL Input 13 TTL Input 15 Ground Analog Voltage 1 Analog Voltage 3 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 143 Ground Analog Voltage 2 Analog Voltage 4 Ground Analog Voltage 6 Ground SER EN Serial Enable Jumper +3.3V 24V IN +24V Ground DIGITAL I/O +24V +24V Ground Ground Ground SPI Reset SPI Input Thermo Fisher Scientific Model 15i Instruction Manual...
Page 144 LLP – LCD Signal LFLM – LCD Signal LD4 – LCD Signal LD0 – LCD Signal LD5 – LCD Signal LD1 – LCD Signal LD6 – LCD Signal LD2 – LCD Signal 6-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 145 Serial Port 1 TX (-RS485 OUT) Ground Serial Port 1 RTS (+RS485 OUT) Serial Port 1 CTS (+RS485 IN) RS232/RS485:B P1:B Serial Port 2 RX (-RS485 IN) Serial Port 2 TX (-RS485 OUT) Thermo Fisher Scientific Model 15i Instruction Manual 6-11...
Page 146: Table 6-4. Measurement Interface Board Connector Pin Descriptions
Designator AC IN AC-HOT AC-NEUT AC-Ground AC O2 AC-HOT AC-NEUT AC-Ground AC PUMP AC-HOT AC-NEUT AC-Ground AC BENCH Bench Thermistor Ground AC-HOT Bench Heater AC Control AMB TEMP Ambient Temperature Thermistor Ground 6-12 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 147 Motor Drive Voltage 3 Motor Drive Voltage 4 PRES Chamber Pressure Sensor Input Ground +15V -15V FLOW Sample Flow Sensor Input Ground +15V -15V Ground FLOW SW Ground Purge Flow Input O2 SENS Thermo Fisher Scientific Model 15i Instruction Manual 6-13...
Page 148 Span 2 Solenoid Control DATA Ground +RS485 from Motherboard -RS485 from Motherboard 24V IN +24V Input Ground +24V (Fused) Ground FAN SW1 +24V (Fused) Fan Control FAN SW2 +24V (Fused) Fan Control 6-14 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 149: Table 6-5. Front Panel Board Connector Pin Diagram
Keypad Row 1 Input Keypad Row 4 Input Keypad Row 3 Input Keypad Col 2 Select Keypad Col 1 Select Keypad Col 4 Select Keypad Col 3 Select Ground Ground Ground Ground +24V Thermo Fisher Scientific Model 15i Instruction Manual 6-15...
Page 150: Table 6-6. I/O Expansion Board (Optional) Connector Pin Descriptions
+5V Supply Ground Table 6–6. I/O Expansion Board (Optional) Connector Pin Descriptions Connector Reference Signal Description Label Designator EXPANSION I/O Analog Voltage Input 1 Analog Voltage Input 2 Analog Voltage Input 3 6-16 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 151 Current Output 3 Current Output Return Current Output 4 Current Output Return Current Output 5 Current Output Return Current Output 6 MOTHER BD +24V +24V Ground Ground Ground +RS485 to Motherboard -RS485 to Motherboard Thermo Fisher Scientific Model 15i Instruction Manual 6-17...
Page 152: Table 6-7. Digital Output Board Connector Pin Descriptions
Solenoid Drive Output 2 Solenoid Drive Output 3 Solenoid Drive Output 4 Solenoid Drive Output 5 Solenoid Drive Output 6 Solenoid Drive Output 7 Solenoid Drive Output 8 Relay 1 Contact b 6-18 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 153: Table 6-8. Pre-Amp Board Connector Pin Descriptions
PRE-AMP BD Preamp Signal Output Ground for Shield Ground SPI – Data Out SPI - CLK SPI - CS +15V +18V for IR Source -100V +18V for IR Source IR Source Return Thermo Fisher Scientific Model 15i Instruction Manual 6-19...
Page 154: Service Locations
Service For additional assistance, service is available from exclusive distributors worldwide. Contact one of the phone numbers below for product support Locations and technical information or visit us on the web at www.thermo.com/aqi. 1-866-282-0430 Toll Free 1-508-520-0430 International 6-20 Model 15i Instruction Manual...
Page 155: Servicing
Chapter 7 Servicing This chapter explains how to replace the Model 15i subassemblies. It assumes that a subassembly has been identified as defective and needs to be replaced (or is an “expendable” item, not covered under warranty. Expendable items are indicated with an asterisk (*) in the “Model 15i...
Page 156 Replacement” on page 7-37 ● “Measurement Interface Board Replacement” on page 7-38 ● “Front Panel Board Replacement” on page 7-39 ● “LCD Module Replacement” on page 7-41 ● “Service Locations” on page 7-42 ● Model 15i Instruction Manual Thermo Fisher Scientific...
Page 157: Safety Precautions
LCD module, but rather use a soft cloth moistened with a naphtha cleaning solvent. ▲ Do not place the LCD module near organic solvents or corrosive gases. ▲ Do not shake or jolt the LCD module. ▲ Thermo Fisher Scientific Model 15i Instruction Manual...
Page 158: Firmware Updates
> to return to the Main Menu. 4. Return to the procedure. Replacement Parts Table 7-1 lists the replacement parts for the Model 15i major subassemblies. Refer to Figure 7-2 to identify the component location. List Table 7–1. Model 15i Replacement Parts...
Page 159 101424-00 Optical Switch 7193 Relay Mirror 7194 Field Mirror 7195 Entrance Mirror 7196 Exit Mirror 7191 Filter, Wheel Assembly 101427-00 Chopper Motor 102701-00 Teflon Particulate Filter (optional) *Expendable item, not covered by warranty Thermo Fisher Scientific Model 15i Instruction Manual...
Page 160: Cable List
Servicing Cable List Cable List Table 7–2 lists the Model 15i cables. See the “Troubleshooting” chapter for associated connection diagrams and board connector pin descriptions. Table 7–2. Model 15i Cables Part Number Description 101349-00 AC Power Cable (115 VAC, US)
Page 161: Figure 7-2. Model 15I Component Layout
IR Source Cover Optical Bench Detector Assy and Pre-Amp Thermistor I/O Expansion Board (Opt) Front Panel Digital Output Board Front Panel Board Power Supply Measurement Interface Board Motherboard Figure 7–2. Model 15i Component Layout Thermo Fisher Scientific Model 15i Instruction Manual...
Page 162: Removing The Measurement Case Assembly And Lowering The Partition
Equipment Required: Philips screwdriver Equipment Damage Some internal components can be damaged by small amounts of static electricity. A properly grounded antistatic wrist strap must be worn while handling any internal component. ▲ Model 15i Instruction Manual Thermo Fisher Scientific...
Page 163: Panel
Equipment Required: Replacement fuses (refer to the “Replacement Parts List” in this chapter). 1. Turn the instrument OFF and unplug the power cord. 2. Remove the fuse drawer, located on the AC power connector. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 164: Fan/Filter Replacement
4. Disconnect the fan power cable from the fan. Do not lose the four nuts. 5. Remove the four fan mounting screws and remove the fan. 6. Install a new fan following the previous steps in reverse. 7-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 165: Ir Source Replacement
3. Loosen both clamp screws from the IR source mounting posts and remove IR source. 4. Install a new IR source by following the previous steps in reverse. Ensure that the IR source element is evenly spaced between the mounting posts. Thermo Fisher Scientific Model 15i Instruction Manual 7-11...
Page 166: Filter Wheel Replacement
Allen wrenches, 5/32-inch and 5/64-inch Philips screwdriver Equipment Damage Some internal components can be damaged by small amounts of static electricity. A properly grounded antistatic wrist strap must be worn while handling any internal component. ▲ 7-12 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 167: Figure 7-6. Removing The Motor
7. Let the instrument sample zero air for about 90 minutes. 8. From the Main Menu, choose Service > Initial S/R Ratio. The Initial S/R Ratio screen appears. Thermo Fisher Scientific Model 15i Instruction Manual 7-13...
Page 168: Chopper Motor Replacement
5. Install the filter wheel on the motor shaft, make sure that the set screw seats on the flat of the motor shaft, and tighten the set screw. 6. Calibrate the instrument. Refer to the “Calibration” chapter in this manual. 7-14 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 169 4. Remove the four screws holding the optical bench to the shock mounts and carefully remove the optical bench. 5. Replace the optical bench by following the previous steps in reverse. 6. Calibrate the instrument. Refer to the “Calibration” chapter in this manual. Thermo Fisher Scientific Model 15i Instruction Manual 7-15...
Page 170: Optical Bench Replacement
3. Turn the optical bench over, remove the two screws securing the optical switch assembly to the case, and remove the optical switch. 4. Install the new optical switch by following the previous steps in reverse. 7-16 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 171: Bench Heater Assembly Replacement
▲ 1. Turn the instrument OFF, unplug the power cord, and remove the cover. 2. Remove the optical bench following the “Optical Bench Replacement” procedure in this chapter. Thermo Fisher Scientific Model 15i Instruction Manual 7-17...
Page 172: Detector/Preamplifier Assembly Replacement
4. Insert an Allen wrench through the access holes in the preamplifier printed circuit board, and remove the screws holding the detector assembly to the optical bench. Carefully remove the detector assembly from the optical bench. 7-18 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 173: Figure 7-9. Replacing The Detector/Preamplifier Assembly
Note If Service Mode is not displayed, refer to “Accessing the Service Mode” on page 7-4, then return to the beginning of this step. ▲ 8. Calibrate the instrument. Refer to the “Calibration” chapter in this manual. Thermo Fisher Scientific Model 15i Instruction Manual 7-19...
Page 174: Preamp Board Calibration
1. Turn the instrument OFF, unplug the power cord, and remove the cover. 2. Disconnect the pump power cable from the AC PUMP connector on the measurement interface board. 3. Remove both lines from the pump. 7-20 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 175: Pressure Transducer Replacement
Philips screwdriver, #2 Equipment Damage Some internal components can be damaged by small amounts of static electricity. A properly grounded antistatic wrist strap must be worn while handling any internal component. ▲ Thermo Fisher Scientific Model 15i Instruction Manual 7-21...
Page 176: Pressure Transducer Calibration
Note An error in the zero setting of the pressure transducer does not introduce a measurable error in the output concentration reading. Therefore, if only a barometer is available and not a vacuum pump, only adjust the span setting. ▲ 7-22 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 177 4. At the Pressure Sensor Cal screen, press to select Zero. The Calibrate Pressure Zero screen appears. 5. Wait at least 10 seconds for the zero reading to stabilize, and then press to save the zero pressure value. Thermo Fisher Scientific Model 15i Instruction Manual 7-23...
Page 178: Flow Transducer Replacement
3. Disconnect the plumbing connections from the flow transducer. Note the plumbing connections to facilitate reconnection. 4. Remove the two retaining screws holding the flow transducer to the floor plate and remove the flow transducer (Figure 7–12). 7-24 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 179: Flow Transducer Calibration
▲ 1. Turn the instrument OFF, unplug the power cord, and remove the cover. 2. Disconnect the pump cable from AC PUMP connector on the measurement interface board. Thermo Fisher Scientific Model 15i Instruction Manual 7-25...
Page 180: Capillary Cleaning Or Replacement
11. Install the cover. Capillary Cleaning Use the following procedure to clean or replace the capillary (Figure 7–13). or Replacement Equipment Required: Wrench, 5/8-inch Capillary Capillary cleaning wire (smaller than 0.015-inch) 7-26 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 181: Optional Zero/Span And Sample Solenoid Valve Replacement
4. Install the capillary by following the previous steps in reverse. Optional Zero/Span Use the following procedure to replace the solenoid. and Sample Solenoid Equipment Required: Valve Replacement Solenoid Philips screwdriver, #2 Wrench, 9/16-inch Thermo Fisher Scientific Model 15i Instruction Manual 7-27...
Page 182: Analog Output Testing
2. From the Main Menu, choose Diagnostics > Test Analog Outputs. The Test Analog Outputs screen appears. 3. Press to scroll to the desired channel corresponding to the rear panel terminal pins where the meter is connected, and press 7-28 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 183: Figure 7-14. Rear Panel Analog Input And Output Pins
“Analog Output Calibration” procedure that follows. 8. Press to reset the analog outputs to normal. Current Outputs Analog Voltage Inputs Analog Voltage Outputs Figure 7–14. Rear Panel Analog Input and Output Pins Thermo Fisher Scientific Model 15i Instruction Manual 7-29...
Page 184: Analog Output Calibration
I/O expansion board. Equipment Required: Multimeter 1. Connect a meter to the channel to be adjusted and set to voltage or current as appropriate. Figure 7–14 shows the analog output pins and 7-30 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 185: Analog Input Calibration
Calibrating the Input Use the following procedure to calibrate the input channels to zero volts. Channels to Zero Volts 1. From the Main Menu, choose Service > Analog Input Cal. Thermo Fisher Scientific Model 15i Instruction Manual 7-31...
Page 186: Calibrating The Input Channels To Full-Scale
2. From the Main Menu, choose Service > Analog Input Cal. The Analog Input Cal screen displays input channels 1-8. 3. At the Analog Input Cal screen, press to scroll to the channel selected in Step 1, and press 7-32 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 187: Thermistor Replacement
2. Squeeze the thermistor latch and pull the thermistor assembly from the AMB TEMP connector on the measurement interface board. 3. Snap the new thermistor assembly into the AMB TEMP connector. Thermo Fisher Scientific Model 15i Instruction Manual 7-33...
Page 188: Ambient Temperature Calibration
A properly grounded antistatic wrist strap must be worn while handling any internal component. ▲ 1. Remove the instrument cover. 2. Tape the thermometer to the thermistor, which is plugged into the measurement interface board (Figure 7–15). 7-34 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 189: I/O Expansion Board (Optional) Replacement
▲ 1. Turn the instrument OFF, unplug the power cord, and remove the cover. 2. Unplug the I/O expansion board cable from the EXPANSION BD connector on the motherboard. Thermo Fisher Scientific Model 15i Instruction Manual 7-35...
Page 190: Figure 7-16. Replacing The I/O Expansion Board (Optional)
Motherboard Support Bracket Mounting Studs Motherboard Digital Output Board I/O Expansion Board (Opt) Figure 7–16. Replacing the I/O Expansion Board (Optional) I/O Expansion Board Motherboard Digital Output Board Figure 7–17. Rear Panel Board Connectors 7-36 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 191: Digital Output Board Replacement
6. To install the digital output board, follow the previous steps in reverse. Motherboard Use the following procedure to replace the motherboard (Figure 7–16). Replacement Equipment Required: Motherboard Philips screwdriver Nut driver, 3/16-inch Thermo Fisher Scientific Model 15i Instruction Manual 7-37...
Page 192: Measurement Interface Board Replacement
Measurement interface board Philips screwdriver Equipment Damage Some internal components can be damaged by small amounts of static electricity. A properly grounded antistatic wrist strap must be worn while handling any internal component. ▲ 7-38 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 193: Front Panel Board Replacement
Measurement Interface Board Figure 7–18. Replacing the Measurement Interface Board Front Panel Board Use the following procedure to replace the front panel board (Figure 7– 19). Replacement Equipment Required: Front panel board Thermo Fisher Scientific Model 15i Instruction Manual 7-39...
Page 194: Figure 7-19. Replacing The Front Panel Board And The Lcd Module
LCD Module LCD Module Screws (2) Retaining Screw Front Panel Board Mounting Studs (2) Ribbon Cables (3) Two-Wire Connector Bottom Support Figure 7–19. Replacing the Front Panel Board and the LCD Module 7-40 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 195: Lcd Module Replacement
1. Turn the instrument OFF, unplug the power cord, and remove the cover. 2. Disconnect the ribbon cable and the two-wire connector from the front panel board. 3. Remove the four screws at the corners of the LCD module. Thermo Fisher Scientific Model 15i Instruction Manual 7-41...
Page 196: Service Locations
▲ Service Locations For additional assistance, service is available from exclusive distributors worldwide. Contact one of the phone numbers below for product support and technical information or visit us on the web at www.thermo.com/aqi. 1-866-282-0430 Toll Free 1-508-520-0430 International 7-42...
Page 197: System Description
● Optical pickup ● Gas filter wheel ● Infrared source ● Pre-amplifier assembly with IR detector ● Sample flow sensor ● Pressure transducer ● Capillary ● Pump ● Purge flow switch (optional) ● Thermo Fisher Scientific Model 15i Instruction Manual...
Page 198: Optical Bench
This assembly is used for maintaining the optical bench at a constant temperature. Chopper Motor The chopper motor spins the gas filter wheel and chopper disk at a uniform speed. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 199: Optical Pickup
The purge flow switch monitors the flow of purge gas when the filter wheel purge gas option is installed. (Optional) Firmware The processor firmware tasks are organized into four areas: Instrument control ● Monitoring signals ● Measurement calculations ● Output communication ● Thermo Fisher Scientific Model 15i Instruction Manual...
Page 200: Instrument Control
Internal pumps and heaters all operate on 110 VAC. An optional transformer is required if operating on the 210-250 VAC or 90-110 VAC ranges. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 201: Motherboard
It contains power supplies and Board interface circuitry for sensors and control devices in the measurement system. It sends status data to the motherboard and receives control signals from the motherboard. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 202: Measurement Interface Board Connectors
The preamplifier gain is Assembly adjusted by the main processor to bring the signal amplitude within a normal operating range. The output of the pre-amp board is fed to the Model 15i Instruction Manual Thermo Fisher Scientific...
Page 203: Digital Output Board
Analog output (voltage and current) ● Analog input (voltage) ● Digital output (TTL levels) ● Digital input (TTL levels) ● Note The instrument has spare solenoid valve drivers and I/O support for future expansion. ▲ Thermo Fisher Scientific Model 15i Instruction Manual...
Page 204: Analog Voltage Outputs
Only two points are necessary for linear inputs, however, a larger number of points may be used to approximate non-linear inputs. All voltage inputs have a resolution of 12 bits over the range of 0 to 10 volts. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 205: Digital Relay Outputs
1200 to 115200 baud. The user can also set the data bits, parity, and stop bits. The following protocols are supported: C-Link ● MODBUS Slave ● Geysitech (Bayern-Hessen) ● Streaming Data ● Thermo Fisher Scientific Model 15i Instruction Manual...
Page 206: Connection
The instrument uses a four wire RS-485 configuration with automatic flow control (SD). Refer to Table 8–2 for the DB9 connector pin configuration. Table 8–2. RS-485 DB9 Connector Pin Configuration DB9 Pin Function + receive - receive + transmit - transmit ground 8-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 207: Ethernet Connection
Any serial port protocols may be accessed over Ethernet in addition to the serial port. Up to three simultaneous connections are allowed per protocol. External Accessory The external accessory connector is not used in the Model 15i analyzer. Connector This port is used in other models to communicate with smart external devices that may be mounted hundreds of feet from the analyzer using an RS-485 electrical interface.
Page 209: Internal Zero/Span Assembly
Chapter 9 Optional Equipment The Model 15i is available with the following options: “Internal Zero/Span Assembly” on page ● “Filter Wheel Purge” on page ● “Teflon Particulate Filter” on page ● “I/O Expansion Board Assembly” on page ● “25 Pin Terminal Board Assembly”...
Page 210: Calibration Note
Teflon Particulate A 5-10 micron pore size, two-inch diameter Teflon element is available for the Model 15i. This filter should be installed just prior to the SAMPLE Filter bulkhead. When using a filter, all calibrations and span checks must be performed through the filter.
Page 211: Pin Terminal Board Assembly
Table 9–2 provides the color coding for both 25-pin cables and 37- pin cables. Color codes for pins 1–25 are for 25-pin cables; color codes for pins 1–37 are for 37-pin cables. ▲ Thermo Fisher Scientific Model 15i Instruction Manual...
Page 212: Mounting Options
LIGHT BLUE/BLACK ORANGE/WHITE GRAY/GREEN GREEN/WHITE GRAY/RED BLUE/WHITE GRAY/VIOLET VIOLET/WHITE LIGHT GREEN/BLACK Mounting Options The analyzer can be installed in the configuration described in Table 9–3 and shown in Figure 9–2 through Figure 9–5. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 213: Figure 9-2. Bench Mounting
C-series instrument in an existing rack. The rail mounting location is lower on the case and the front mounting screw slots have non-standard EIA locations. Figure 9–2. Bench Mounting Thermo Fisher Scientific Model 15i Instruction Manual...
Page 214: Figure 9-3. Eia Rack Mounting
Optional Equipment Mounting Options Figure 9–3. EIA Rack Mounting Model 15i Instruction Manual Thermo Fisher Scientific...
Page 215: Figure 9-4. Retrofit Rack Mounting
Optional Equipment Mounting Options Figure 9–4. Retrofit Rack Mounting Thermo Fisher Scientific Model 15i Instruction Manual...
Page 216: Figure 9-5. Rack Mount Option Assembly
Optional Equipment Mounting Options Figure 9–5. Rack Mount Option Assembly Model 15i Instruction Manual Thermo Fisher Scientific...
Page 217: Appendix A Warranty
(i) normal wear and tear, (ii) accident, disaster or event of force majeure, (iii) misuse, fault or negligence of or by Buyer, (iv) use of the Products in a manner for which Thermo Fisher Scientific Model 15i Instruction Manual...
Page 218 OR WRITTEN, WITH RESPECT TO THE PRODUCTS, INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. SELLER DOES NOT WARRANT THAT THE PRODUCTS ARE ERROR-FREE OR WILL ACCOMPLISH ANY PARTICULAR RESULT. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 219: Instrument Identification Number
C-Link Protocol Commands This appendix provides a description of the C-Link protocol commands that can be used to remotely control a Model 15i analyzer using a host device such as a PC or a datalogger. C-Link protocol may be used over RS- 232, RS-485, or Ethernet.
Page 220: Commands
(ASCII) character. The command in the following example begins with the ASCII character code 143 decimal, which directs the command to the Model 15i, and is terminated by a carriage return “CR” (ASCII character code 13 decimal).
Page 221: Entering Units In Ppb
20 ppm, enter 20000 (ppb) as the value for the set background command. Commands List Table B–2 lists the 15i C-Link protocol commands. The interface will respond to the command strings outlined below. Table B–2. C-Link Protocol Commands Command...
Page 222 B-36 bias voltage Reports current bias supply voltage B-16 cal hcl bkg Sets HCl background B-24 cal hcl coef Sets HCl coefficient B-25 cal high hcl coef Sets high range HCl coefficient B-25 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 223 Reports/sets digital input channel and active state B-43 do (down) Simulates pressing down pushbutton B-27 dout Reports/sets digital output channel and active state B-43 dtoa Reports outputs of the digital to analog converters per B-44 channel Thermo Fisher Scientific Model 15i Instruction Manual...
Page 224 Reports/sets host name string B-37 init ratio Reports initial sample/reference ratio B-26 instr name Reports instrument name B-37 instrument id Reports/sets instrument id B-38 internal temp Reports current internal instrument temperature B-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 225 Reports maximum number of lrecs that can be stored B-21 lrec per Reports/sets lrec logging period B-21 malloc lrec Reports/sets memory allocation for lrecs B-22 malloc srec Reports/sets memory allocation for srecs B-22 me (menu) Simulates pressing menu pushbutton B-27 Thermo Fisher Scientific Model 15i Instruction Manual...
Page 226 Reports/sets a time stamp to streaming data or not B-24 temp comp Reports/sets temperature compensation on or off B-31 time Reports/sets current time (24-hour format) B-33 Reports/sets the timezone string for the NTP server B-41 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 227: Measurements
Table B–3. The following example sets the averaging time to 120 seconds. Send: set avg time 8 Receive: set avg time 8 ok Table B–3. Averaging Times Averaging Time Selection 1 seconds Thermo Fisher Scientific Model 15i Instruction Manual...
Page 228 27.2 deg C, actual 27.2 motor This command reports the current motor speed. The following example reports that the current motor speed is 100%. Send: motor Receive: motor 100 % B-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 229 In the following example, the instrument is reporting that the AGC circuit is on, that the instrument is in the span gas mode, and that the HCl high concentration alarm is activated. Send: flags Receive: flags 80028000 Thermo Fisher Scientific Model 15i Instruction Manual B-11...
Page 230: Alarms
The following example sets the agc intensity alarm maximum value to 250000. Send: set alarm agc intensity max 250000 Receive: set alarm agc intensity max 250000 ok B-12 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 231 These commands report the current HCl concentration alarm minimum and maximum values setting. The following example reports that the HCl concentration minimum is 100 ppm. Send: alarm conc min Receive: alarm conc min 10000.000 ppb Thermo Fisher Scientific Model 15i Instruction Manual B-13...
Page 232 The following example below sets the motor speed alarm maximum value to 100%. Send: set alarm motor speed max 100 Receive: set alarm motor speed max 100 ok B-14 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 233 The following example below shows the HCl concentration minimum alarm trigger to ceiling, according Table B–4. Send: alarm trig conc Receive: alarm trig conc 1 Thermo Fisher Scientific Model 15i Instruction Manual B-15...
Page 234: Diagnostics
15, negative 15, positive 5, positive 3.3, positive 18 IR, positive 18 MOT, and VBIAS. Each voltage value is separated by a space. Send: diag volt mib Receive: diag volt mib 23.98 14.80 -14.90 4.96 3.20 18.00 17.75 -108.30 B-16 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 235: Datalogging
The following example sets the data treatment for concentrations in lrec as minimum. Send: set data treatment lrec min Receive: set data treatment lrec min ok Thermo Fisher Scientific Model 15i Instruction Manual B-17...
Page 236 = | 0 | 1 | 2 | : Output format (see “set erec/lrec/srec format format” command) These commands report the last lrecs or srecs stored or the erec data record. In the following example, the command requests an lrec with no checksum, B-18 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 237 These commands output lrecs or srecs and erec data. The output format is determined by the “set lrec format”, and “set srec format” commands. The logging time is determined by the “set lrec per” and “set srec per” commands. Thermo Fisher Scientific Model 15i Instruction Manual B-19...
Page 238 These commands set the output format for lrecs and srecs, and erec data, according to Table B–5. The following example sets the lrec output format to ASCII with text. Send: set lrec format 1 Receive: set lrec format 1 ok B-20 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 239: Table B-5. Record Output Formats
= | 1 | 5 | 15 | 30 | 60 | These commands set the lrecs and srecs logging period to value in minutes. The following example sets the lrec logging period to 15 minutes. Thermo Fisher Scientific Model 15i Instruction Manual B-21...
Page 240 For more information on how to edit the scratch pad, see the “sp field” command. The following example copies the current list in scratch pad into the lrecs list. B-22 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 241 “set copy sp to lrec”, “set copy sp to srec”, or “set copy sp to stream” commands. Send: set sp field 1 34 Receive: set sp field 1 34 ok Thermo Fisher Scientific Model 15i Instruction Manual B-23...
Page 242: Calibration
This command will set the HCl background. The following example shows a successful auto-calibration of the HCl background. Note Zero air must be provided to the instrument prior to issuing any of these commands. ▲ B-24 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 243 HCl coefficient to 1.200. Send: set hcl coef 1.200 Receive: set hcl coef 1.200 ok coef 0 coef 1 coef 2 high coef 0 high coef 1 high coef 2 low coef 0 Thermo Fisher Scientific Model 15i Instruction Manual B-25...
Page 244 If the mode is incorrect, the instrument responds with “can’t, wrong settings”. The following example reports the span gas concentration in single range mode. Send: sp conc Receive: sp conc 5.000E+03 ppb B-26 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 245: Keys/Display
It is sent as a type '5' binary C-Link response with no checksum. The RLE encoding consists of a 0 followed by an 8-bit count of consecutive 0xFF bytes. The following 'c' code will expand the incoming data. Thermo Fisher Scientific Model 15i Instruction Manual B-27...
Page 246: Measurement Configuration
If the mode is incorrect, the instrument responds with “can’t, wrong settings”. The following example reports that the HCl full-scale range is set to 50 ppm, according to Table B–7. B-28 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 247: Table B-7. Ranges
The following example reports that custom range 1 is defined to 55 ppm. Send: custom 1 Receive: custom 1 5.500E+04 ppb set custom range range value set custom 1 value set custom 2 value set custom 3 value Thermo Fisher Scientific Model 15i Instruction Manual B-29...
Page 248 This command sets the zero/span valves to the zero mode. The following example sets the instrument to zero mode, that is, the instrument is reading zero gas. Send: set zero Receive: set zero ok B-30 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 249 This command reports whether temperature compensation is on or off. The following example shows the temperature compensation is off. Send: temp comp Receive: temp comp off set temp comp onoff onoff = | on | off | Thermo Fisher Scientific Model 15i Instruction Manual B-31...
Page 250: Hardware Configuration
This command sets the screen’s level of contrast, according to Table B–8. The following example sets the contrast level to 50%. Send: set contrast 10 Receive: set contrast 10 ok Table B–8. Contrast Levels Level Contrast Level B-32 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 251 The following example saves the parameters to FLASH memory. Send: set save params Receive: set save params ok time This command reports the current time (24-hour format). The following example reports that the internal time is 2:15:30 pm. Thermo Fisher Scientific Model 15i Instruction Manual B-33...
Page 252: Communications Configuration
Note This command cannot be used when DHCP is on. Refer to the DHCP command that follows for additional information. ▲ Send: set addr gw 192.168.1.1 Receive: set addr gw 192.168.1.1 ok B-34 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 253 This command sets the network time protocol server address, where address consists of four numbers ranging from 0-255 inclusive, separated by “.”. Send: set addr ntp 10.209.43.237 Receive: set addr ntp 10.209.43.237 ok Thermo Fisher Scientific Model 15i Instruction Manual B-35...
Page 254 Until you cycle the power, the address assigned by the DHCP server will still be used and reported as the current address. ▲ B-36 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 255: Table B-9. Reply Termination Formats
The following example sets the host name to analyzer01. Send: set host name analyzer01 Receive: set host name analyzer01 ok instr name This command reports the instrument name. The following example reports the instrument name for the Model 15i. Thermo Fisher Scientific Model 15i Instruction Manual B-37...
Page 256 “set mode remote”commands, according to Table B–10. The default value is 0; ignore the commands. The following example shows that the instrument is configured to ignore “set mode local” or “set mode remote” commands. B-38 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 257: Table B-10. Allow Mode Command Values
0; power up in local/unlocked mode. The following example shows that the instrument is configured to power up in the remote/unlocked mode. Send: power up mode Receive: power up mode 1 Thermo Fisher Scientific Model 15i Instruction Manual B-39...
Page 258: Table B-11. Power Up Mode Values
Send: program no Receive: program no iSeries 15i 01.05.02.140 layout ack This command reports the stale layout/layout change indicator (*) that is attached to each response if the erec layout has changed since the last time erec layout was requested, according to Table B–12.
Page 259: I/O Configuration
13. The following example sets current output channel 4 to the 0-20 mA range. This command responds with “feature not enabled” if the I/O expansion board is not detected. Send: set analog iout range 4 1 Receive: set analog iout range 4 1 ok Thermo Fisher Scientific Model 15i Instruction Manual B-41...
Page 260: Table B-13. Analog Current Output Range Values
2 3 ok Table B–14. Analog Voltage Output Range Values Output Range Range 0-1 V 0-100 mV 0-10 V 0-5 V 0 [cannot be set to this, but may report] Undefined B-42 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 261 Use the “list var dout” command to obtain the list of supported index values and corresponding state. The following example sets the digital output channel 4 to state 11. Send: set dout 4 11 open Receive: set dout 4 11 open ok Thermo Fisher Scientific Model 15i Instruction Manual B-43...
Page 262: Table B-15. Default Analog Output Channel Assignments
“set sp field index”. The following example reports the list of analog outputs, index numbers, and variables. B-44 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 263 0x0005 (indicates relay no 1 and 3 are set to be normally open logic, all others are normally closed) set relay open set relay open value set relay closed set relay closed value Thermo Fisher Scientific Model 15i Instruction Manual B-45...
Page 264: Record Layout Definition
%x - parse a hexadecimal number %lx - parse a long (32-bit) hex number %* - ignore the field Note Signed versus unsigned for the integer values does not matter; it is handled automatically. ▲ B-46 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 265: Format Specifier For Binary Responses
The first field in the layout string is the text. It is delimited by a ':'. The string up to the first ':' will be read and inserted in the text field of the line. Thermo Fisher Scientific Model 15i Instruction Manual B-47...
Page 266: Value String
Then there appears an optional selection table within parentheses '(...)'. This is a string of numbers separated by spaces '(0 1)'. The selection table lists the translation table entries which the user may select from when B-48 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 267: Button Designator
This is a line which appears slightly indented. The text field is 'NO', the value is taken from the third element of the data response, and interpreted as a string. ' NO:18sBd.ddd;set no coef %s\n' Thermo Fisher Scientific Model 15i Instruction Manual B-49...
Page 268 The background value is taken from the 7th element, and the precision specifier is taken from the 8th. If the asterisk were not present, it would indicate instead that 8 digits after the decimal point should be displayed. B-50 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 269: Appendix C Modbus Protocol
This is achieved by using the supported MODBUS parameters listed below. Up to three simultaneous connections are supported over Ethernet. For details of the Model 15i MODBUS Protocol specification, see the following topics: “Serial Communication Parameters” on page ●...
Page 270: Tcp Communication Parameters
0x0000 to 0xFFFF (Passed back in response) Protocol Identifier 2 Bytes 0x00 (MODBUS protocol) Length 2 Bytes 0x0000 to 0xFFFF (Number of following bytes) Unit Identifier 1 Byte 0x00 to 0xFF (Passed back in response) Model 15i Instruction Manual Thermo Fisher Scientific...
Page 271: Data
These requests specify the starting address, i.e. the address of the first output specified, and the number of outputs. The outputs are addressed starting at zero. Therefore, outputs numbered 1–16 are addressed as 0–15. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 272 Function Code 1 Byte 0x01 or 0x02 Exception Code 1 Byte 01=Illegal Function, 02=Illegal Address, 03=Illegal Data, 04=Slave Device Failure Here is an example of a request and response to read outputs 2–15: Model 15i Instruction Manual Thermo Fisher Scientific...
Page 273: (0X03/0X04) Read Holding Registers/Read Input Registers
For each register, the first byte contains the high order bits and the second contains the low order bits. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 274 No. of Registers Lo 0x04 Response Field Name (Hex) Function 0x03 Byte Count 0x06 Register Value Hi (10) 0x02 Register Value Lo (10) 0x2B Register Value Hi (11) 0x00 Register Value Lo (11) 0x00 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 275: (0X05) Force (Write) Single Coil
0x0000 to maximum allowed by instrument Output Value 2 Bytes 0x0000 or 0xFF00 Error Response Function Code 1 Byte Function code + 0x80 Exception Code 1 Byte 01=Illegal Function, 02=Illegal Address, 03=Illegal Data, 04=Slave Device Failure Thermo Fisher Scientific Model 15i Instruction Manual...
Page 276: Modbus Parameters Supported
Data Unit (PDU) addresses. Verify the coil number on your MODBUS master to ensure that it matches the coil number on the instrument. ▲ Note Coil status 1 indicates active state. ▲ Table C–1. Read Coils for 15i Coil Number Status INVALID AUTORANGE...
Page 277: Table C-2. Read Registers For 15I
Note For additional information on how to read registers and interpret the data, refer to the “(0x03/0x04) Read Holding Registers/Read Input Registers” section in this appendix. ▲ Table C–2. Read Registers for 15i Register Number Variable INVALID 1 & 2 NOT USED 3 &...
Page 278 IMPORTANT NOTE The addresses in the following tables are Protocol Data Unit (PDU) addresses. Verify the coil number on your MODBUS master to ensure that it matches the coil number on the instrument. ▲ C-10 Model 15i Instruction Manual Thermo Fisher Scientific...
Page 279: Table C-3. Write Coils For 15I
Before you assert (1) one coil in a group, make sure the other coils in the group are de-asserted (0). ▲ Table C–3. Write Coils for 15i Coil Number Action Triggered INVALID...
Page 281 This is achieved by using the supported Geysitech commands listed below. Up to three simultaneous connections are supported over Ethernet. For details of the Model 15i Geysitech Protocol specification, see the following topics: “Serial Communication Parameters” on page “TCP Communication...
Page 282: Appendix D Geysitech (Bayern-Hessen) Protocol
If a command is terminated with <ETX>, then two additional characters <BCC> is attached after <ETX>. This is the block checksum. Block Checksum Characters <BCC> may be added to the command to prevent processing invalid commands. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 283: Block Checksum Characters
Command ‘K’ switches the instrument gas mode to Span mode. Command ‘M’ switches the instrument gas mode to Sample mode. The following are the different acceptable formats of the ST command: <STX>ST<address><control command><ETX><BCC> <STX>ST<address><control command><CR> <STX>ST<address><SP><control command><CR> <STX>ST<address><SP><control command><ETX><BCC> Thermo Fisher Scientific Model 15i Instruction Manual...

Page 284 <STX>, which is followed by the characters DA, and the <address> (if present) matches the Instrument Address, and the command is terminated with either <CR> with no checksum or <ETX>, followed by the correct checksum <BCC>. Model 15i Instruction Manual Thermo Fisher Scientific...
Page 285 For details on how to interpret the status bytes, refer to Table D–1 Table D–2 below. <SFKT>: is the space provided for future use for special function. It currently contains a string of ten 0’s, i.e. <0000000000>. Thermo Fisher Scientific Model 15i Instruction Manual...
Page 286: Single Range Mode
The 2 measurements reported in dual or auto range modes include: low HCl ● high HCl ● Operating and Error Table D–1 for operating status and Table D–2 for error status for the Model 15i. Status Model 15i Instruction Manual Thermo Fisher Scientific...
Page 287: Table D-1. Operating Status For Model 15I
Geysitech (Bayern-Hessen) Protocol Geysitech Commands Table D–1. Operating Status for Model 15i Hex-value Operating status: Service Mode (On) Maintenance (Local) Zero Gas (On) Span Gas (On) Gas Unit Indication (ppm or ppb) Ozonator (Off) PMT (Off) Not Used Table D–2. Error Status for Model 15i...

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