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DOD Technologies ChemLogic CL1 Operating Manual

1 & 2-point continuous gas detectors
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CL1 & CL2
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1 & 2-Point Continuous Gas Detectors
Operating Manual

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  • Page 1 ChemLogic CL1 & CL2 ® 1 & 2-Point Continuous Gas Detectors Operating Manual...
  • Page 2 ChemLogic® CL1 & CL2 Operating Manual  DOD Technologies, Inc. 675 Industrial Drive, Bldg. A Cary, IL 60013 Phone: 815.788.5200 DODtec.com DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 2 815-788-5200...
  • Page 3 78 Allee Primavera Centre Ubidoca 2402 74370 Annecy FRANCE DOD TECHNOLOGIES INC. declares under our sole responsibility that the product described as: Equipment Name: Continuous Gas Monitor Equipment Description: Detection and measurement of toxic gases Model: CL1 or CL2 Serial number(s): _______________...

  • Page 4: Table Of Contents

    ChemLogic® CL1 & CL2 Operating Manual Table of Contents Chapter 1 – Overview ..................................7 1.1 Introduction ................................... 7 1.2 Sampling and Monitoring ..............................7 1.3 Flow Connections.................................. 7 1.4 Electrical Connections ................................8 1.5 Theory of Operation ................................8 Chapter 2 –...
  • Page 5 ChemLogic® CL1 & CL2 Operating Manual 5.5.3 Gas Alarms ..................................23 5.5.4 Gate & Cassette ................................24 5.5.5 Alarm Levels ..................................24 5.5.6 Event & Alarm History ..............................24 5.5.7 Test Alarms ..................................25 5.6 Setup Menu ..................................25 5.6.1 Main Menu ..................................25 5.6.2 Cassette Saver .................................
  • Page 6 ChemLogic® CL1 & CL2 Operating Manual Appendix D – System Event Messages ............................46 Appendix E – Gas Specifications ..............................50 Appendix F – Removable Media ..............................54 F.1 Concentration Log Files ..............................54 F.2 Event Log Files ..................................55 F.3 Formatting Micro SD Disks ..............................

  • Page 7: Chapter 1 - Overview

    A translated copy of the manual should be requested immediately from DOD Technologies and before installation of the device. Failure to do so may result in severe injury.

  • Page 8: Electrical Connections

    The sample flow is diverted across the ChemLogic ® Cassette. The ChemLogic CL1/CL2 uses an advanced optical detection system to measure the light level reflected from the ChemLogic Cassette. As the target gas is detected, the color of the colorimetric tape within the cassette changes. This color change results in a loss of reflected light which is detected by the CL1/CL2 advanced optics system.

  • Page 9: Chapter 2 - Features

    ChemLogic® CL1 & CL2 Operating Manual Chapter 2 – Features 2.1 External Layout Maintenance Door Keypad & Display Exhaust Outlet Take-Up Reel 14-Pin I/O Connector Door Latches (side of unit) ChemLogic ® Cassette A/C Power & Switch Gas tubing inlet (underside) Figure.

  • Page 10: Chemlogic ® Cl1/Cl2 Danger Zones

    ChemLogic® CL1 & CL2 Operating Manual ATTENTION: Please read operator's manual for all instructions for this machine. If the manual is not in the country’s native language, request an updated manual before using the equipment. WARNING: Electric Shock is possible, please use caution when accessing this zone. WARNING: Moving Parts and Hand Crushing are possible.

  • Page 11: Maintenance Door

    ChemLogic® CL1 & CL2 Operating Manual WARNING: This danger zone is in the interior of the unit after zone A. Operators could experience electric shock here if caution is not exercised. 2.1.3 Maintenance Door The maintenance door allows easy access to the ChemLogic Cassette and the display/keypad.

  • Page 12: Internal Layout - Service Area

    ChemLogic® CL1 & CL2 Operating Manual Figure 2.2 2.3 Internal Layout – Service Area Internal access to the CL1/CL2 for service uses the latches located on the right side of the front panel. Figure 2.3 shows the internal layout of the CL1/CL2 with the service door open. The door should be opened by trained service personnel (See Section 6.2) Inside of Service Door Back of Service Door...

  • Page 13: Micro Secure Digital Card (Sd Card)

    2.4 Micro Secure Digital Card (SD Card) The CL1/CL2 uses an SD card to store historical information including concentration logging, event history, configuration information, and TWA data. SD cards may be purchased through DOD Technologies – see Appendix A. DC-TEC-MAN-CL1-2_D DODtec.com...

  • Page 14: Chapter 3 - Installation

    The CL1/CL2 requires stable temperature and humidity levels within range to operate properly (see Appendix C) NOTE: Options are available for heating or cooling the CL1/CL2 – Contact DOD Technologies for details. RECOMMENDATIONS: Do not place in a location that will expose the CL1/CL2 to moisture, dust, corrosive gas, or any unusual environmental conditions which could damage the unit and/or cause it to operate inaccurately.

  • Page 15: Mounting

    ChemLogic® CL1 & CL2 Operating Manual 3.2 Mounting Refer to Figure 3.1 for dimensional requirements for wall mounting. Be sure the CL1/CL2 is properly secured to the wall. Side View Front View Inlet View Figure 3.1 DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 15 815-788-5200...

  • Page 16: Sample Tubing

    An End-Of-Line Particulate Filter must be used on all gasses except diisocyanates to prevent loss of concentration. Filters require regular maintenance – see Chapter 6. End of line particulate filters may be purchased from DOD technologies (see Appendix A) IMPORTANT: The CL1/CL2 requires filtration to prevent dust accumulation in the tubing and internal damage to the unit.

  • Page 17: Output Wiring

    ChemLogic® CL1 & CL2 Operating Manual 3.6 Output Wiring The output relays for Alarm Level 1 and System Fault are rated at 6 amp maximum. The 4-20mA output is adjustable within the CL1/CL2 to increase precision. When not in analysis the CL1/CL2 will output the 2ma calibrated value.

  • Page 18: Chapter 4 - Setup & Configuration

    ChemLogic® CL1 & CL2 Operating Manual Chapter 4 – Setup & Configuration 4.1 User Checklist Follow this checklist to configure the CL1/CL2 for first-time operation or after a software upgrade. ___ Set passwords (Section 5.6.3) ___ Set system date and time (Section 5.5.7) ___ Gas selection (Section 5.5.9) Appendix E contains the specifications for each gas.

  • Page 19: Chapter 5 - Basic Operation

    ChemLogic® CL1 & CL2 Operating Manual Chapter 5 – Basic Operation 5.1 Using the Keypad The CL1/CL2 is controlled using the keypad located around the display. All the display screens are accessed through a simple menu system. Note 2 Note 1 Note 3 NOTE 1) The arrow keys located under the screen are used for two purposes.

  • Page 20: Alarm & Fault Screens

    ChemLogic® CL1 & CL2 Operating Manual 5.2 Alarm & Fault Screens Three types of messages used in the CL1/CL2: Alarm messages (level 1 and level 2) System faults (critical faults that terminate and/or prevent analysis) Event messages (warnings, non-critical faults, and various events) See Appendix D for a description of each message.

  • Page 21: Menu Overview Cl1/Cl2

    ChemLogic® CL1 & CL2 Operating Manual 5.3 Menu Overview CL1/Cl2 Setup Menu (5.5) See Note 1 Setup Mode Main Menu (return Auto Analysis Cassette Saver Latching Relays Enable Pumps Main Menu (5.4) Enable Points Main Menu Alarm Relays Start Analysis Voltage Cal Idle Timeout System Faults...

  • Page 22: Main Menu

    ChemLogic® CL1 & CL2 Operating Manual 5.5 Main Menu Once the CL1/CL2 is configured the main menu contains all the screens necessary for normal operation. The main menu is not password-protected. Figure 5.6 Each selection on the main menu is detailed below 5.5.1 Start Analysis Selecting this menu item will bring up the analysis screen below and start gas analysis.

  • Page 23: System Faults

    ChemLogic® CL1 & CL2 Operating Manual levels the corresponding alarm output relay is triggered. The trigger will remain set depending on the setting of Latching Relays – see Section 5.4.3. The bar graph on the right side of the display reflects the % of full scale for the current concentration reading. At the lower left of the screen the display will show ‘P1’...

  • Page 24: Gate & Cassette

    ChemLogic® CL1 & CL2 Operating Manual 5.5.4 Gate & Cassette Touch the lower left <GATE> soft key to open or close the gate. When a new ChemLogic Cassette is loaded press the <RESET> soft key to reset the counter for a new cassette. The cassette window’s remaining display is the number of advances expected before the cassette is empty.

  • Page 25: Test Alarms

    ChemLogic® CL1 & CL2 Operating Manual 5.5.7 Test Alarms Use the <ALARM 1>, <ALARM 2>, and <FAULT> soft keys to turn the output relays on and off. When the <Done> soft key is pressed all the faults are automatically reset. Figure 5.13 5.6 Setup Menu The Setup Menu contains the screens necessary to configure the CL1/CL2 for operation.
  • Page 26 ChemLogic® CL1 & CL2 Operating Manual Current Mode Use this soft key to select among 3 modes # of minutes to wait before Use this soft key to toggle TSM ON cassette advance and OFF Current state of Cassette Save Mode Trigger Concentration Figure 5.15 In Fixed Cycle mode, the Minutes entered on the screen is the MINIMUM time each cycle will take regardless of...

  • Page 27: Latching Relays

    ChemLogic® CL1 & CL2 Operating Manual will start at 300 seconds and countdown to 0 before advancing the cassette and calculating a new gas concentration. After the cassette advances, the CL1/CL2 will again monitor for gas and display the calculated value. If the new calculated value is below the TSM concentration the concentration displayed will begin to update appropriately.

  • Page 28: Energized Alarm Relays

    ChemLogic® CL1 & CL2 Operating Manual 5.6.6 Energized Alarm Relays (Default Configuration: OFF) Use the upper left soft key to select Energize/De-Energized alarm relays. The soft key always shows the CURRENT state of the relays. The initial default value is Energized. Figure 5.19 5.6.7 Idle Timeout (Default Configuration: 45 Minutes)

  • Page 29: Test 4-20Ma

    ChemLogic® CL1 & CL2 Operating Manual 5.6.9 Test 4-20mA Use the soft keys to select 2 mA, 4 mA, or 20 mA which will bring up the screen in Figure 5.23 AND set the 4- 20mA output to the corresponding level. Using the “-“ or “+” soft keys the output value can be adjusted as needed for the selected level.

  • Page 30: Conc. Logging (Concentration Logging)

    ChemLogic® CL1 & CL2 Operating Manual 5.6.11 Conc. Logging (Concentration Logging) Selecting this menu item will display the screen shown below in Figure 5.25. You can select between “All Conc. > 0” (default) and “Alarm Level 1”. Selecting the first choice will cause the system to log all concentrations detected.

  • Page 31: Passwords

    ChemLogic® CL1 & CL2 Operating Manual 5.7.3 Passwords This screen is used to change the passwords for both the Setup Menu and Service menu. A password of 0 will disable the password feature for the specified menu. The default passwords are included with this manual. Figure 5.28 WARNING –...

  • Page 32: Clear History

    ChemLogic® CL1 & CL2 Operating Manual 5.7.6 Clear History The history screen contains the 128 most recent event, fault, and alarm messages. Each of the messages logs the date/time occurred and the date/time cleared as separate entries. In the “Event/Alarm History” on the Main Menu (Section 5.4.6) it is not possible to clear the history.

  • Page 33: Chapter 6 - Maintenance

    Please contact DOD Technologies for the safe return of your equipment. All discontinued units will be accepted back by DOD Technologies so proper recycling may take place. For information on how to return the unit contact us using the below information: 6.1 Maintenance Door Access...

  • Page 34: Chemlogic ® Cassettes

    Cassettes have an expiration date printed on the label. Expired cassettes should be disposed of ® and replaced with new cassettes to ensure proper gas concentration readings. ChemLogic Cassettes from DOD Technologies will last for the specified number days under normal usage. See Appendix A for ordering information. IMPORTANT Read Appendix G before handling ChemLogic Cassettes.
  • Page 35 ChemLogic® CL1 & CL2 Operating Manual Remove the top tape sleeve with the tape spooled around it by gently pulling away from the machine. Remove the old tape reel from the bottom spindle by lifting over the washer. Discard the old cassette appropriately Remove the new cassette reel from the protective packaging.

  • Page 36: End-Of-Line Particulate Filters

    ChemLogic® CL1 & CL2 Operating Manual Press the gate button several times to make sure the cassette is advancing properly. On the screen touch the ‘Reset’ soft key. (See Section 5.5.4) WARNING: Keep fingers clear during cassette advance. 6.4 End-Of-Line Particulate Filters End-Of-Line Particulate Filters –...

  • Page 37: Flow Adjustment

    ChemLogic® CL1 & CL2 Operating Manual - Filter For Corrosive Gases - Disposable Filter For – Disposable Filter For Corrosive Gases Non-Corrosive Gases Recommended membrane replacement every 30 days, Recommended replacement every 3-6 depending on conditions. The months, depending on conditions. internal housing body should be Part Number: 780248...

  • Page 38: Micro Secure Digital (Sd) Card Replacement

    ChemLogic® CL1 & CL2 Operating Manual 6.6 Micro Secure Digital (SD) Card Replacement See Appendix F for detailed information on the contents of the SD Card. To install a Micro SD card: Align its 8-pin gold edge connector down, facing the front of the CL1/CL2 unit as shown in Figure 6.3;...

  • Page 39: Grease Application

    ChemLogic® CL1 & CL2 Operating Manual 6.8 Grease Application The cam attached to the gate motor should be greased every 6 months to prevent wear. Apply a small amount of number 2 type petroleum or synthetic grease to the rounded portion of the cam. See Figures 6.5 below: Top of gate mechanism Bottom of gate mechanism Figure 6.5...

  • Page 40: Chapter 7 - Service & Support

    Chapter 7 – Service & Support For information on service and support contact DOD Technologies via the means below. For Permanent Discontinuation: Discontinued units can be returned for recycling. Please contact DOD Technologies to discuss and arrange the safe return of your equipment. Phone Support M-F 8:30am –...

  • Page 41: Appendix A - Accessories & Spare Parts

    ChemLogic® CL1 & CL2 Operating Manual Appendix A – Accessories & Spare Parts ChemLogic® CL1/CL2 60-Day Cassettes 1-700-020 Ammonia 60-Day Cassette; Detects: DMA, NH3, TDMAT, TMA 1-490-020 Bromine/Acetic Acid 60-Day Cassette; Detects: Br2, CH3COOH 1-300-022 Carbonyl Sulfide 60-Day Cassette; Detects: COS 1-500-020 Chlorine Oxidizer 60-Day Cassette;...
  • Page 42 ChemLogic® CL1 & CL2 Operating Manual 48423 Tubing FEP 1/4 OD x 3/16 ID x 1000’ 2-400-008 Tubing Exhaust 1/4 OD x 0.17 ID Polyethylene ChemLogic® CL1/CL2 – Options & Accessories 2-600-214 Outdoor Rain Resistant End of Line Cone 2-600-202 SD Micro Memory Card (2GB) 2-600-204 CL1 14-Pin Mating Connector...
  • Page 43 ChemLogic® CL1 & CL2 Operating Manual 2-300-008 Drive Belt 84 Links CL1 2-200-028 Switch Rocker SPST 15A Sealed 2-100-061 CL1 Service Door Lock 2-100-010 Cover CL1 Optics Block Back Plate 2-300-004 Gear 24 Teeth Take-Up 2-100-A27 Transducer Assembly w/ Wires 2-600-217 CL1 Option Dust Cone for Diisocyanate Applications 2-600-214...

  • Page 44: Appendix B - I/O Connection Detail

    ChemLogic® CL1 & CL2 Operating Manual Appendix B – I/O Connection Detail 14-Pin Cl1/Cl2 I/O Connector Figure B.1 Description Usage System Fault Normally Open System Fault Common System Fault Normally Closed Gas - Alarm Level 1 Normally Closed External Fault Alarm Reset Momentarily connect to pin N for reset Gas - Alarm Level 1 Common...

  • Page 45: Appendix C - System Specifications

    ChemLogic® CL1 & CL2 Operating Manual Appendix C – System Specifications Dimensions & Specs Height 12.5” (31.75 cm) Width 10.25” (26.04 cm) Depth 9” (22.86 cm) Weight 38 lbs. (17.24 kg) Operating Temperature 40°F to 104°F / 4°C to 40°C Flow 150 ft.

  • Page 46: Appendix D - System Event Messages

    (I8 and V+). Slightly bend the switch arm Gate Close Fault Motor did not return home toward the motor collar to ensure the set screw is closing the switch. If these steps don't work, contact DOD Technologies Support @ (815) 788-5200 High Background No Tape Loaded Go to "Gate &...
  • Page 47 Low Background Wrong tape or optic Then go to service menu-Optic Calib and press start. If these steps Fault problem do not work, contact DOD Technologies Support @ (815)788-5200 Purge Option Fault Tubing Blocked Find block in sample line Low Supply...
  • Page 48 Optics Orifice Dirty inlet if possible. If problem persists, contact DOD (815) 788-5200. Flow Disruption Flow Inconsistent Contact DOD Technologies Support @ (815)-788-5200 Alarm Level 1 Pt 2 Gas Detected After gas leak is found and corrected reset alarms Alarm Level 2 Pt 2...
  • Page 49 ChemLogic® CL1 & CL2 Operating Manual The following list of event codes, which may appear in the event/alarm log, are for use by service personnel. Code Diagnostic Cause 1001 Temperature change event Optic block temperature delta limit exceeded 1002 Reference Validation event Possible optical issue 1003 S2 Message Sent...

  • Page 50: Appendix E - Gas Specifications

    ChemLogic® CL1 & CL2 Operating Manual Appendix E – Gas Specifications Response ChemLogic Full Unit Alarm 1 Alarm 2 Time TLV Cassette Name Scale Default Default (T100)* seconds 1-700-020 Ammonia AsF5 1-420-120 Arsenic Pentafluoride^ (HF) AsHCl3 1-420-120 Arsenic Trichloride^^ (HCl) AsF3 1-420-120 Arsenic Trifluoride^...
  • Page 51 ChemLogic® CL1 & CL2 Operating Manual Response ChemLogic Full Unit Alarm 1 Alarm 2 Time TLV Cassette Name Scale Default Default (T100)* seconds SiCl2 1-420-120 Hexachlorodisilane^^ (HCl) 1-600-020 Hexamethylene Diisocyanate 1-600-020 HMDI HMDI 1-D11-020 Hydrazine N2H4 H12MD 1-K23-022 Hydrogenated MDI 1-420-120 Hydrogen Chloride 1-400-020...
  • Page 52 ChemLogic® CL1 & CL2 Operating Manual Response ChemLogic Full Unit Alarm 1 Alarm 2 Time TLV Cassette Name Scale Default Default (T100)* seconds SiCl3Ph 1-420-120 Phenyl Trichlorosilane^^ (HCl) 1-200-020 Phosgene COCl2 3000 1-200-020 Phosgene COCl2 1000 1-200-020 Phosgene COCl2 1-200-020 Phosgene COCl2 1-300-020...
  • Page 53 ChemLogic® CL1 & CL2 Operating Manual Response ChemLogic Full Unit Alarm 1 Alarm 2 Time TLV Cassette Name Scale Default Default (T100)* seconds SiHCl3 1-420-120 Trichlorosilane^^ (HCl) 1-420-120 Tungsten Hexafluoride^ (HF) 1-200-340 Velcorin DMDC 10.1 DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 53 815-788-5200...

  • Page 54: Appendix F - Removable Media

    ChemLogic® CL1 & CL2 Operating Manual Appendix F – Removable Media To ensure that historical and performance information is always stored properly be sure to insert a Micro - Secure Digital (SD) card in the proper slot. See Section 6.6 for installation instructions. The SD card stores all information in standard comma separated values (*.CSV) format for easy access with any computer.

  • Page 55: Event Log Files

    ChemLogic® CL1 & CL2 Operating Manual F.2 Event Log Files (YYMMDD*.CSV) Each time a new event, fault or alarm is added to the History log on the CL1/CL2, the message is written to the current days event log file on the Micro SD card (if available). A sample event log is shown below. The columns show: Date, Time, Event Number, and Action (unused).
  • Page 56 ChemLogic® CL1 & CL2 Operating Manual Formatting the disk in the CL1/CL2 Insert the Micro SD card into the slot. Wait 5 seconds for the drive to initialize. Hold in both the “UP” arrow and ‘DOWN’ arrow at the same time which should bring up the screen in Figure 2.2.

  • Page 57: Sd Card Status Menu Item

    ChemLogic® CL1 & CL2 Operating Manual F.3 SD Card Status Menu Item Whenever the concentration detected exceeds the preset alarm level in the CL1/CL2, the system starts a log file on the SD card (if available). The log file will update approximately every 2 seconds until the gas is no longer detected. A sample alarm file is shown below.

  • Page 58: Appendix G - Chemlogic ® Cassettes

    ChemLogic® CL1 & CL2 Operating Manual Appendix G – ChemLogic ® Cassettes ChemLogic Cassettes are designed for use in colorimetric-based gas monitoring systems. Since this is a particular end-use function and does not release or result in exposure to hazardous chemicals under normal use Material Safety Data Sheets (MSDS) are not required.

  • Page 59: Appendix H - Advanced Optics Cleaning Procedure

    ChemLogic® CL1 & CL2 Operating Manual Appendix H – Advanced Optics Cleaning Procedure NOTE: Only perform this procedure when CL1 & CL2 display reads “DIRTY” or DAC value exceeds 150. Enter the CL1 Main Menu Enter the Service Menu (Password: 1234) Enter “Optic Calib.”...
  • Page 60 12. Press start to initiate the calibration process. The current DAC value will become 0. Then the new DAC value will populate. This new value should between 60-130 which is the manufacturers range. value cannot be improved from the value it is shipped at. Call DOD Technologies to check your starting DAC value.

  • Page 61: Optic Orifice Cleaning

    ChemLogic® CL1 & CL2 Operating Manual 15. In the technician screen you will see the letter D. In front of the D is a number that represents how bright your optic LED is. When this number reaches 140 you will be prompted to clean with a fault.

  • Page 62: Appendix I - Additional Options

    ChemLogic® CL1 & CL2 Operating Manual Appendix I – Additional Options WARNING – These options should be changed only under direction from trained DOD service personnel. Contact DOD for more information. I.1 Pressure Check Disable Mode (Default: OFF) Useful for extreme conditions where the pressure at the sample point varies often. When enabled this option will change the operation of the flow system in the CL1/CL2 as follows: •...

  • Page 63: Z-Purge Enclosures With Vortex (A/C) Coolers

    ChemLogic® CL1 & CL2 Operating Manual With this option there are 3 extra terminal blocks included inside the CL1/CL2 which are labeled “Q”,”R”, and “S” as shown in Figure I.3.1 below. Figure I.3.1 Terminal Q – Normally closed Terminal R – Common Terminal S –...
  • Page 64 BEFORE applying power to enclosure, Class I installations require four (4) volume exchanges through the protected enclosure while maintaining a positive pressure. Follow this procedure each time before power is switched on. If you have any questions contact DOD Technologies, INC before proceeding. DC-TEC-MAN-CL1-2_D DODtec.com...

  • Page 65: New Light Option

    ChemLogic® CL1 & CL2 Operating Manual NOTE: The Purge supply should be of “Instrument Quality” air, free from any oils, dirt, and liquid(s). Inert gas can substitute for “Instrument Quality” air as a Purge supply. CAUTION: This procedure should only be used after the unit is properly installed and the supply of Purge air (or inert gas) is connected properly to both the Vortex Cooler and the Purge Unit.

  • Page 66: Appendix J - Installation, Wiring And Flow Diagrams

    ChemLogic® CL1 & CL2 Operating Manual Appendix J – Installation, Wiring and Flow Diagrams DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 66 815-788-5200...
  • Page 67 ChemLogic® CL1 & CL2 Operating Manual DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 67 815-788-5200...
  • Page 68 ChemLogic® CL1 & CL2 Operating Manual DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 68 815-788-5200...
  • Page 69 ChemLogic® CL1 & CL2 Operating Manual DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 69 815-788-5200...
  • Page 70 ChemLogic® CL1 & CL2 Operating Manual DC-TEC-MAN-CL1-2_D DODtec.com REV 10/21/2024 Page 70 815-788-5200...

  • Page 71: Appendix K - Data Communications

    ChemLogic® CL1 & CL2 Operating Manual Appendix K – Data Communications K.1 Modbus/TCP * Read with Modbus Code 3 (Read Holding Register) RSLogix 4x Modbus* Size (Bits) Type Description Notation 3122 N41: WORD Tape Days Remaining 3177 N41: WORD Gas Number 3262 N42: FLOAT...
  • Page 72 ChemLogic® CL1 & CL2 Operating Manual RSLogix 4x Modbus* Size (Bits) Type Description Notation 3691 N46: WORD Reference 2 3692 N46: WORD Fault/Event Bits (See Table Below) 3694 N46: WORD Fault/Event Bits (See Table Below) 3695 N46: WORD Fault/Event Bits (See Table Below) 3700 N46: WORD...

  • Page 73: Ethernet/Ip

    ChemLogic® CL1 & CL2 Operating Manual RSLogix 4x Modbus* Notation Bit # Fault Description Cassette Saver Mode Active 3694 N46: 3695 N46: Unused 3695 N46: Pump 1 Failure 3695 N46: Pump 2 Failure 3695 N46: Flow Disruption 3695 N46: Pt 2 Gas Alarm 1 (2 Point Unit) 3695 N46: Pt 2 Gas Alarm 2 (2 Point Unit)
  • Page 74 ChemLogic® CL1 & CL2 Operating Manual Word Size Type Description Offset (Bits) WORD Days Per Tape WORD Tape Days Remaining WORD Gas Number FLOAT Full Scale FLOAT WORD Background 1 WORD Background 2 WORD Optic Value FLOAT Gas Concentration WORD Optical Value 2 WORD Reference...
  • Page 75 ChemLogic® CL1 & CL2 Operating Manual Word Offset Bit # Fault Description Gas Alarm Level 2 Remote Reset Active Device Powered on (Always 1) Optics were Calibrated High Voltage on Pump 1 High Voltage on Pump 2 DAC(Optics) High – Clean and calibrate Cassette Saver Mode Active Unused...

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