Det-Tronics PointWatch Eclipse PIRECL Instructions Manual
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Det-Tronics PointWatch Eclipse PIRECL Instructions Manual

Infrared carbon dioxide gas detector
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Instructions
Infrared Carbon Dioxide Gas Detector
PointWatch Eclipse
®
Model PIRECL
3.1
Rev: 3/17
95-8676

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Summary of Contents for Det-Tronics PointWatch Eclipse PIRECL

  • Page 1 Instructions Infrared Carbon Dioxide Gas Detector PointWatch Eclipse ® Model PIRECL Rev: 3/17 95-8676...

  • Page 2: Table Of Contents

    Table of Contents APPLICATION ......1 STARTUP ....... . . 18 PIRECL Startup/Commissioning Checklists.

  • Page 3: Application

    INSTRUCTIONS Infrared Carbon Dioxide Gas Detector PointWatch Eclipse ® Model PIRECL IMPORTANT Be sure to read and understand the entire instruction manual before installing or operating the gas detection system. This product is intended to provide early warning of the presence of carbon dioxide gas.

  • Page 4: Detectable Gases

    The onboard tri-color LED indicates a LOW alarm PERMEABLE IR SOURCE GAS CELL condition via a flashing red color, and a HIGH alarm condition via a steady red color. The Eclipse internal OPTICAL BEAM SPLITTER magnetic switch or HART Field Communicator can be used to reset latched alarms.

  • Page 5: Specifications

    –55°C to +85°C (–67°F to +185°F). Available on Ex d approved models only. HUMIDITY— ALARM RELAYS— 0 to 99% relative humidity (Det-Tronics verified). Low and High Form C Type (NO/NC). GAS DETECTION RANGE— De-Energized during Normal mode, Energized on Alarm.
  • Page 6 3/16” (4.8mm) barb fitting for attaching a 3/16” I.D. – MODBUS communication hose during calibration. Heated optics minimize condensation to ensure reliable RESPONSE TIME (Det-Tronics Verified)— operation through temperature extremes. T50 = 6 seconds. WIRING TERMINALS— VIBRATION— Field wiring screw terminals are UL/CSA rated for up to...

  • Page 7: Important Safety Notes

    IMPORTANT SAFETY NOTES CERTIFICATION— ® CAUTION The wiring procedures in this manual are intended For complete approval details, refer to the appropriate to ensure proper functioning of the device under Appendix: normal conditions. However, because of the many variations in wiring codes and regulations, Appendix A - CSA total compliance to these ordinances cannot be Appendix B - ATEX/CE...

  • Page 8: Installation

    INSTALLATION However, this rule of thumb is subject to change depending upon specific application properties and Before installing the PointWatch Eclipse detector, requirements. define the following application details: NOTE For additional information on determining the WIRING quantity and placement of gas detectors in a specific application, refer to the IEC 60079-29-2 The detector must be installed per local installation standard.

  • Page 9: 24 Vdc Power Supply Requirements

    2. Always determine voltage drops that will occur to 2000 feet. ensure that 24 Vdc is delivered to the Eclipse. 3. Normally, nothing smaller than 18 AWG (0.75 mm is recommended by Det-Tronics for Eclipse power cabling. 95-8676...

  • Page 10: Optional Relays

    If it is desired to initiate calibration using the remote AC voltage should not be switched directly using the calibrate line, the use of the Det-Tronics Model PIRTB Eclipse relays. The use of an external relay is required if Termination Box is highly recommended for optimum AC voltage must be switched by the Eclipse relays.
  • Page 11 EARTH GND LUG 24 VDC – 24 VDC + CALIBRATE A2084 24 VDC – Figure 4—Terminal Strip Located Inside Wiring Compartment 24 VDC + + 4-20 MA – 4-20 MA RS-485 B RS-485 A RELAY POWER (RED) FAULT WIRING TO OPTIONAL (ORANGE) RELAY BOARD 24 VDC –...
  • Page 12 24 VDC 24 VDC – – 24 VDC – 24 VDC – 24 VDC + 24 VDC + CALIBRATE CALIBRATE 4 to 20 MA 24 VDC – 24 VDC – 4 to 20 MA 24 VDC + 24 VDC + –...
  • Page 13 LOW ALARM HIGH ALARM B2056 A2203 Figure 12—Remote Calibration Switch and LED in Optional Figure 11—Wiring the Eclipse Detector for Benchtop Testing/ Det-Tronics PIRTB Termination Box Programming Using HART Protocol – 24 VDC – 24 VDC 24 VDC + CALIBRATE MAGNETIC REED SWITCH 24 VDC –...

  • Page 14: Description

    DESCRIPTION If a PIRTB Remote Calibration Termination Box is utilized, the HART Communicator can be connected at the PIRTB. INTERNAL MAGNETIC SWITCH Note that this connection requires removal of the PIRTB cover. An internal magnetic switch is provided for resetting latched alarms and initiating calibration.

  • Page 15: Tri-Color Led

    CLOCK Table 1—LED Status Indication An hour meter is provided to give a relative indication of Device Status time for historical logs. The meter is zeroed at the time of Green Normal operation. manufacture and only increments while power is applied. HART or MODBUS communication is required to view the Blinking indicates Low Alarm.

  • Page 16: Remote Calibration Option

    REMOTE CALIBRATION OPTION The following recommendations are provided to enhance operator ease and convenience of remote calibration In most applications, it is recommended to install the configurations: PointWatch Eclipse CO model where it will contact the gas of interest as quickly as possible. Unfortunately, 1.
  • Page 17 HAZARDOUS LOCATION NON-HAZARDOUS LOCATION HART COMMUNICATOR PIRECL ISOLATED 4-20 MA PIRTB 24 VDC, CAL 24 VDC + 24 VDC – + 4-20 MA – 4-20 MA CAL GAS HART COMMUNICATOR PIRECL NON-ISOLATED 4-20 MA PIRTB 24 VDC + 24 VDC – 4-20 MA SIGNAL CAL GAS NON-ISOLATED 4-20 MA...

  • Page 18: Operation

    OPERATION 4-20 mA CURRENT LOOP OUTPUT Eclipse provides an isolated, linear current loop output FACTORY DEFAULT SETTINGS that is proportional to the detected gas level. Fault and The PointWatch Eclipse CO model is shipped from calibration status are also indicated by this output. the factory pre-calibrated and set for carbon dioxide at 0-2%/vol (0-20000 ppm).

  • Page 19: Fault Indication

    Fault signaling mode can be selected using the HART or PIR9400 mode is provided for compatibility with existing MODBUS interface. Table 3 shows the current levels for Det-Tronics PointWatch gas detectors. When using the each fault mode. Eclipse CO detector, this mode is not recommended...

  • Page 20: Startup

    STARTUP Mechanical Checklist • PIRECL detector is mounted to a solid surface not When the Eclipse is installed and wired as described in prone to high vibration, shock, traumatic impact or the “Installation” section, it is ready for commissioning. other undesirable condition. If the application requires that specific changes be •...

  • Page 21: Calibration

    1%/vol (10,000 ppm). situation is easily corrected by using the Eclipse Calibration Bag (P/N 006672-002), available from 2. Zero Only Calibration is a one-step process Det-Tronics. consisting of nitrogen (zero) condition adjustment only, which is performed automatically by the device. NOTE...

  • Page 22: Calibration Initiation

    CALIBRATION INITIATION DETAILED CALIBRATION PROCEDURE USING MAGNETIC SWITCH Eclipse calibration may be initiated by any of the following means: Refer to Tables 4 and 5 for a quick summary of the standard calibration sequence. • The onboard magnetic calibration switch •...

  • Page 23: Time Out

    Table 4—Quick Reference Guide for Normal Calibration Procedure Using Magnetic Switch Indicating LED Current Output Description Operator Action (PIRECL/PIRTB) (default setting) Normal-ready to calibrate steady green/off ≥ 4.35 mA* Purge with pure nitrogen if required Apply Nitrogen, apply Magnet for 2 Initiate Calibration steady red/on-steady 1 mA...

  • Page 24: Maintenance

    DIFFUSION PATHS INTO MEASUREMENT CHAMBER MIRROR O-RING IR SOURCE LAMP AND WINDOW HYDROPHOBIC FILTER C2059 Figure 17—PointWatch Eclipse with Baffle Removed MAINTENANCE OPTICS CLEANING Cleaning of the Eclipse optical surfaces is normally ROUTINE INSPECTION required only if an optical fault is indicated. The PointWatch Eclipse detector should be inspected periodically to ensure that external obstructions such as Thoroughly douse the mirror and window using a liberal...

  • Page 25: Troubleshooting

    NOTE If it is determined that the problem is caused by an Det-Tronics reserves the right to apply a service electronic failure, the device must be returned to the charge for repairing returned product damaged as factory for repair.

  • Page 26: Ordering Information

    Are conditions too windy for a successful calibration? If so, use a PointWatch Eclipse Calibration Bag (P/N 006672-002). Always calibrate with a Det-Tronics calibration kit for Eclipse with correct regulator. Be sure that the calibration gas being used matches the configured setting. If the fault is still present, perform cleaning procedure, then re-calibrate.
  • Page 27 PIRECL MODEL MATRIX MODEL DESCRIPTION PIRECL Point Infrared Eclipse Gas Detector TYPE THREAD TYPE 3/4” NPT TYPE OUTPUT & MEASUREMENT OPTIONS 4-20 mA with HART protocol & RS-485: CO 0-2%/vol Full Scale Range TYPE OPTIONAL OUTPUTS HART Communication Port HART Communication Port and Relay Board Ex d only No Optional Outputs Relay Board Ex d only TYPE...

  • Page 28: Appendix A - Csa Approval

    APPENDIX A CSA APPROVAL The following items, functions and options describe the CSA approval. APPROVAL PointWatch Eclipse ® Infrared Carbon Dioxide Gas Detector, Model PIRECL Series. Explosion-proof for Class I, Division 1, Groups B, C, & D (T4) Hazardous (Classified) Locations per C22.2 #30, with optional intrinsically safe output for HART communication in accordance with control drawing 011975-001.

  • Page 29: Appendix B - Atex / Ce Approval

    APPENDIX B ATEX APPROVAL The following items, functions and options describe the ATEX approval. APPROVAL PointWatch Eclipse ® Infrared Carbon Dioxide Gas Detector, Model PIRECL Series. 0539 II 2 G ® APPROVED Ex db eb IIC T5...T4 – OR – Ex db eb [ib] IIC T5...T4 (with HART communication port) DEMKO 01 ATEX 129485X.
  • Page 30 • For installations in which both the Ci and Li of the intrinsically safe apparatus exceeds 1% of the Co and Lo parameters of the associated apparatus (excluding the cable), then 50% of Co and Lo parameters are applicable and shall not be exceeded.

  • Page 31: Appendix Ciecex Approval

    APPENDIX C IECEx APPROVAL The following items, functions and options describe the IECEx approval. APPROVAL PointWatch Eclipse ® Infrared Carbon Dioxide Gas Detector, Model PIRECL Series. IECEx ULD 04.0002X Ex db eb IIC T5...T4 – OR – Ex db eb [ib] IIC T5...T4 (with HART communication port) T5 (Tamb –50°C to +40°C) T4 (Tamb –50°C to +75°C)
  • Page 32 IEC Standards: IEC 60079-0: 2011 IEC 60079-1: 2014 IEC 60079-11: 2011 IEC 60079-7: 2015 IEC 60529, 2.1 Edition with Corr. 1 (2003-01 + 2 (2007-10) IEC 60079-29-1: 2007 WARNING Always ensure that the detector/junction box hazardous (classified) location ratings are applicable for the intended use. 95-8676...

  • Page 33: Appendix Dinmetro Approval

    APPENDIX D INMETRO APPROVAL UL-BR 15.0242X Ex d [ib] IIC T4-T5 Gb IP66/67 T5 (T amb –55°C to +40°C) T4 (T amb –55°C to +75°C) ––OR–– Ex d e [ib] IIC T4-T5 Gb IP66/67 T5 (T amb –50°C to +40°C) T4 (T amb –50°C to +75°C) NOTE All cable entry devices and blanking elements shall be Brazil certified in the type of explosion protection,...

  • Page 34: Appendix E - Hart Communication

    APPENDIX E HART COMMUNICATION Digital communication with the PointWatch Eclipse CO model is necessary to monitor internal status and to modify the factory settings. This appendix provides guidance on establishing HART communication, and describes the communication menu structure when using the Eclipse with the HART Handheld Communicator. ESTABLISHING LOCAL HART COMMUNICATION WITH POINTWATCH ECLIPSE CO MODEL The HART Handheld Communicator can be connected to the 4-20 mA circuit as shown in the wiring diagrams provided...
  • Page 35 95-8676...
  • Page 36 CONNECTIONS AND HARDWARE The HART Communicator can interface with the Eclipse CO from the onboard I.S. communication port, from the control room, or any wiring termination point in the analog output signal loop. To communicate, connect the HART communicator in parallel with the Eclipse CO analog signal or load resistor.
  • Page 37 TYPICAL SETUP OF A PIRECL CO After HART communication has been established with the PIRECL, the following operational parameters are generally verified: 1. Inspect the Root menu to confirm that the gas type selected is proper for the gas hazard to be detected. The PIRECL is shipped from the factory calibrated and set for detection of carbon dioxide.
  • Page 38 DEVICE VARIABLES SUBMENU 1 Process Variables 1 Process Variables Selecting this menu item will list all process variables and their values. These process variables are continuously updated, and include: 2 Identification 1 Gas CO2 2.0% (Gas detected) 2 PV 0.0 Vol% (Primary variable - current gas concentration) 3 Loop current (Loop current in milliamperes) 4 PV % range (Primary variable - percent of range) 5 Range Values (displays upper/lower value and upper/lower sensor limit)
  • Page 39 DIAGNOSTICS MENU 1 Status/Fault Menu 1 Status/Fault Menu This menu option shows extensive status information about the detector. Data available 2 Test Device includes: 1 Fault 1 3 Calibration 1 xmtr flt 1 2 Fault 2 4 History 1 xmtr flt 2 3 Status 1 1 xmtr status 1 4 Status 2...
  • Page 40 4 History This menu option shows extensive historical information about the detector 1 Running hrs (Number of hours the unit has been powered) 2 Max temperatures (Maximum temperatures recorded in the device. See max temperature submenu below) 3 Min temperatures (Minimum temperatures recorded in the device. See min temperature submenu below) 4 Cal log (Data regarding stored calibrations.
  • Page 41 DEVICE SETUP SUBMENU 1 Basic Setup 1 Basic Setup 1 Gas CO2 2.0% 2 Detailed Setup 2 PV Snsr unit Vol % 3 PV URV 2.00 Vol % 3 Output Condition 4 Device information 1 Manufacturer 4 Review 2 Dev id (A number is used to identify a unique field device) 3 Tag 4 Long tag 5 Date...
  • Page 42 3 Output Condition Select and configure the output signal options for the Eclipse detector 1 Config Gas Alarms 1 High Alarm Level 2 High Alarm Latch 3 Low Alarm Level 4 Low Alarm Latch Factory Default Range 0-20000 ppm 0-2%/vol Low Alarm Range 5-90% 5-50%...

  • Page 43: Appendix F - Modbus Communication

    APPENDIX F MODBUS COMMUNICATION OVERVIEW This appendix outlines the communication protocol and related memory structures that define the interface between PointWatch Eclipse Gas Detector and a system MODBUS Master. The system MODBUS Master is defined as any device capable of reading and writing to the holding register area of a MODBUS slave device. This includes proprietary software, HMI systems such as Wonderware and The FIX, PLCs and DCSs.
  • Page 44 HARDWARE LAYER RS-485 is used for the hardware interface layer. The output drivers are capable of driving at least 32 devices. The device RS-485 output is tri-stated until a command address matches the programmed address. Default serial settings are MODBUS protocol, address 1, 9600 baud, 1 stop bit, and no parity. MODBUS FUNCTION CODES Supported Modbus Functions Function Number...
  • Page 45 Device Configuration (Read/Write) This area of memory holds field adjustable parameters for the device. The Hart configuration changed bit will be set on writes to this area. Eclipse Device Configuration Description Address Value Modbus Polling Address 40101 1..247 Baud Rate Code 40102 See Codes Parity Code...
  • Page 46 Device Status (Read only) This area of memory holds real time status information. Eclipse Status Information Description Address Value General Status Bits 40201 Bit Values (See below) Fault Status Bits 40202 Bit Values (See below) 40203 Float LSW Gas Level in %/vol 40204 Float MSW Calibration Step...
  • Page 47 Eclipse Status Information (continued) Description Address Value 40239 Float LSW Min Temperature 40240 Float MSW 40241 Unsigned Long LSW Min Temp Hour 40242 Unsigned Long MSW 40243 Float LSW Min Temp (Since Reset) 40244 Float MSW 40245 Unsigned Long LSW Min Temp Hour (Since Reset) 40246 Unsigned Long MSW...
  • Page 48 Fault Status Word These bits are used to signal the active faults of the device. Name Calibration Fault Dirty Optics Open Lamp Cal Active at start EE Error 1 EE Error 2 Ref ADC Saturated Active ADC Saturated Bad 24 volts Bad 12 volts Bad 5 volts Zero Drift...
  • Page 49 Command Word 1 Description Start Calibration Abort Calibration Warm up Mode Low Alarm Active High Alarm Active Output Current Fixed Modbus Write Protect Calibration Input Active Magnetic Switch Active Hart Initiated Self Test Reserved Response Test Active Manual Self Test Active End Response Test Reserved Start Manual Self Test...
  • Page 50 VALUE CODES Baud Rate Code Description Code 1200 2400 4800 9600 (Default) 19200 Parity Code Description Code None (Default) Even Gas Type Description Code Carbon Dioxide (0% - 2%/vol) 95-8676...
  • Page 51 Calibration Gas Type Description Code Same as Measured (CO Calibration Method Description Code Standard Analog Fault Code Description Code Eclipse PIR 9400 User Defined Calibration Step Description Code Waiting to Start Waiting for Zero Waiting for Signal Waiting for Gas Waiting for Span Waiting for End Calibration Terminated...
  • Page 52 Alarm Latch Configuration NOTE Refer to “Alarm Relays” in the Specifications section of this manual for important information regarding alarm relays. Description Code Non-Latching Latching Event Log ID Codes Description Code Empty Blocked Beam Warm-up Zero Drift Low Alarm High Alarm Calibration Log ID Codes Description Code...

  • Page 53: Appendix Gwarranty

    APPENDIX G WARRANTY Detector Electronics Corporation products are manufactured from high quality components and the completed device is rigorously inspected and tested before shipment; however, any electronic device is subject to failure beyond the control of the manufacturer. To ensure system reliability, it is important for the user to maintain the system as recommended by the instruction manuals and to determine the frequency of functional checking of the system required for each specific installation.

  • Page 54: Appendix Hcontrol Drawing

    APPENDIX H CONTROL DRAWING 95-8676...
  • Page 55 All trademarks are the property of their respective owners. © 2017 Detector Electronics Corporation. All rights reserved. Toll-free: 800.765.3473 6901 West 110 Street Fax: 952.829.8750 Minneapolis, MN 55438 USA Det-Tronics manufacturing system is certified to ISO 9001— the world’s most recognized quality management standard. www.det-tronics.com det-tronics@det-tronics.com...

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