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General Monitors IR5500 Instruction Manual

Infrared open path detector for hydrocarbon gas applications
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M
ODEL
Infrared Open Path Detector for
Hydrocarbon Gas Applications
IR5500
The information and technical data disclosed in
this document may be used and disseminated
only for the purposes and to the extent specifically
authorized in writing by General Monitors.
Instruction Manual
General Monitors reserves the right to change
published specifications and designs without prior
notice.
Part No.
Revision
08-16
MANIR5500
MANIR5500
M/08-16

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Questions and answers

MEENA
May 9, 2025

IR 5500 SOURCE -- LAMP SPECIFICATION

0
1 comments:
Mr. Anderson
May 19, 2025

The exact lamp specifications for the General Monitors IR5500 are not provided in the context. However, it is mentioned that if the source does not flash, the lamp may need to be replaced and detailed instructions are included in the lamp replacement kit listed in the Spare Parts section. For precise specifications, refer to that section.

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0
ANURADHA
May 9, 2025

FOR IR SOURCE 5500 . IFRARED LAMP REQUIRED

0
1 comments:
Mr. Anderson
May 19, 2025

The specific infrared lamp required for the General Monitors IR5500 is not listed in the provided context. However, if the lamp does not flash and other conditions are met, it should be replaced using the lamp replacement kit listed in the Spare Parts section. The exact lamp type would be specified in that kit.

This answer is automatically generated

0

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Summary of Contents for General Monitors IR5500

  • Page 1 General Monitors. Instruction Manual 08-16 General Monitors reserves the right to change published specifications and designs without prior notice. MANIR5500 Part No.
  • Page 2 Model IR5500 This page intentionally left blank...

  • Page 3: Table Of Contents

    Rapid and Massive Liquid Propane Releases............19     3.8.2 Solutions to Guard against These Situations ............. 19     4.0 OPERATION ......................... 21  Using the IR5500 Menus ......................21     Menu Options .......................... 23     Test “---” ........................... 23  ...

  • Page 4: Model Ir5500

    Model IR5500 Setup “SE” ..........................23     Flash Input “in” ......................... 33     Alignment/Adjustment “Pct” or “AJ” ..................35     Log – Fault Log and Zero ......................37     Finish “Fi” ..........................39     Maintenance ..........................39  ...
  • Page 5 Alignment Using Legacy AJ Value ..................56     Table of Figures Figure 1: IR5500 Open Path Gas Detector .................. 1  Figure 2: Indoor Gas Cloud ......................5  Figure 3: Outdoor Gas Cloud ....................... 5  Figure 4: Outline and Dimensional Drawing with Mounting Options ..........9 ...

  • Page 6: Quick Start Guide

    Quick Start Guide System Mounting The Model IR5500 units are shipped with either mounting assembly shown below. After the mounting location has been established, mount the support arm/base. Attach a pan-tilt assembly to each unit. Apply lithium grease on each taper joint before attaching a unit to a support arm/base.

  • Page 7: Conduit Sealing

    Division 1 location. A conduit seal may not be required if installed in a Division 2 location. General Monitors requires the use of a drain loop or conduit seal in the conduit to prevent moisture from entering the unit housing. For installation in a Division 2 location using Division 2 wiring methods, a drain loop or conduit seal may not be required.

  • Page 8: Terminal Connections

    Quick Start Guide Terminal Connections To make the wiring connections to the Model IR5500, loosen the retaining screw on the cover of each unit using the supplied hex wrench and unscrew the rear cover. All output connections are made inside the housing (see figures on following page for terminal block locations).
  • Page 9 Model IR5500 Quick Start Guide MOD1- Modbus1- Modbus2- MOD2- MOD1+ Modbus1+ Modbus2+ MOD2+ Normally Normally Normally Normally Energized Energized energized energized Alarm NO Alarm NC Fault NO Fault NO FLT1 Alarm C Alarm C Fault C Fault C FLTC Alarm NC...
  • Page 10 2.5 mm ) wire. Primary DC voltage power must be provided by the customer. Since the Model IR5500 Infrared Open Path System is designed to continuously monitor for leaks of combustible gas, a power switch is not included to prevent accidental system shutdown. Power must...
  • Page 11 SU (Start Up) 0 (Gas Concentration) Continuous The IR5500 contains a heater circuit to remove condensation from the windows. The unit should be allowed to stabilize for approximately two hours before continuing with the setup mode. The resolution of the display is the either 0.1 LEL•m or 100 ppm•m. Since HART, Modbus, and 4-20 mA outputs have more resolution, the least significant digit of the displayed value might not agree with that of other outputs due to rounding error.
  • Page 12 Ensure that there is no significant amount of background gas when the unit is setting the zero value, as this will alter the Model IR5500’s performance. If there is gas present, try setting-up the IR5500 on a breezy day, as this dissipates the gas.
  • Page 13 Model IR5500 Quick Start Guide first few threads of each M6 screw. A packet of lubricant is included with the pan/tilt assembly. Without lubricant, alignment will be more difficult, and bolts may seize. Verify that the back two screws have been hand-tightened but that the front two have not.
  • Page 14 Model IR5500 Quick Start Guide Response Test After initial alignment, a test of the IR5500 should be carried out using the test gas films for methane or propane (part numbers 329083 or 329084, respectively). Follow the instructions listed on the films.

  • Page 15: Introduction

    This manual provides instruction for installing and operating General Monitors’ Model IR5500 for combustible gas detection. It should be read in full and the information contained herein understood before attempting to place the system in service.

  • Page 16: Features And Benefits

    Power supply input reversal protection: protection against miswiring damage.  Dirty Window delay and Beam Block delay: reduces maintenance and false alarms. Applications This is a partial list of applications suitable for the Model IR5500 Infrared Open Path System:  Compressor stations  Drilling and production platforms ...

  • Page 17: System Integrity Verification

    Model IR5500 System Integrity Verification Commissioning Safety Systems Before power up, verify wiring, terminal connections and stability of mounting for all integral safety equipment including, but not limited to:  Power supplies  Control modules  Field detection devices ...

  • Page 18: Product Description

    The operation of the Model IR5500 can be checked by placing a Test Gas Film in front of the Receiver. The system requires only a periodic cleaning of the windows to assure dependable performance, and is recommended prior to zero check, test gas, and optical integrity testing.

  • Page 19: Measurement Scale

    2.1.3 Measurement Scale With the Model IR5500 Open Path System, as there is no fixed path length, the reading is reported in concentration•meter. The Model IR5500 reports concentrations in the ppm•m range (highly sensitive to low levels of hydrocarbons) and the LEL•m range (large hazardous levels of hydrocarbons).

  • Page 20: Typical System Gas Cloud Measurements

    Table 2: Readings of Methane Gas Clouds 0-5 LEL•m Range 2.1.5 Control Electronics Both the Model IR5500 Source and Receiver units operate from a 24 VDC input. This unregulated 24 VDC is fed to on-board power supplies that produce all necessary voltages...
  • Page 21 Model IR5500 In normal operation, the microprocessor program constantly monitors the two infrared wavelengths and performs mathematical operations on this information in conjunction with values obtained during the factory calibration process. The microprocessor derives output information and feeds it to the digital to analog converter to produce two 4 to 20 milliampere (mA) signals that are proportional to the 0 to 5,000 ppm•m...

  • Page 22: Installation

    Shipping container contents should be carefully removed and checked against the packing list. If any damage has occurred or there is any discrepancy in the order, please notify General Monitors as soon as possible. All correspondence with General Monitors must specify the equipment part number and the serial number.

  • Page 23: System Mounting

    Model IR5500 System Mounting The Model IR5500 units are shipped with either mounting assembly shown in Figure 4. After the mounting location has been established, mount the support arm/base. Attach a pan-tilt assembly to each unit. Apply lithium grease on each taper joint before attaching a unit to a support arm/base.

  • Page 24: Installation

    Model IR5500 Installation If necessary, remove the pan-tilt assembly from the arm. To do so, unscrew the 24 mm nut from the bottom of the pan-tilt. Remove the lock washer and flat washer. Put the washers and the nut in a secure place.

  • Page 25: Conduit Sealing

    Division 1 location. A conduit seal may not be required if installed in a Division 2 location. General Monitors requires the use of a drain loop or conduit seal in the conduit to prevent moisture from entering the unit housing. For installation in a Division 2 location using Division 2 wiring methods, a drain loop or conduit seal may not be required.
  • Page 26 Model IR5500 Figure 6: Source Wiring...
  • Page 27 Model IR5500 Figure 7: Receiver Wiring...

  • Page 28: Terminal Block Operation

    Model IR5500 MOD1- Modbus1- Modbus2- MOD2- MOD1+ Modbus1+ Modbus2+ MOD2+ Normally Normally Normally Normally Energized Energized energized energized Alarm NO Alarm NC Fault NO Fault NO FLT1 Alarm C Alarm C Fault C Fault C FLTC Alarm NC Alarm NO...

  • Page 29: Terminal Functions

    ) wire. Primary DC voltage power must be provided by the customer. Since the Model IR5500 Infrared Open Path System is designed to continuously monitor for leaks of combustible gas, a power switch is not included to prevent accidental system shutdown.

  • Page 30: Applying Power And Alignment

     Verify that the signal wiring is correct.  Verify that the power supply is connected properly. The Model IR5500 is powered by +24 VDC.  Make sure the cover is securely installed or the area has been declassified.

  • Page 31: Alignment And Adjustment

    Ensure that there is no significant amount of background gas when the unit is setting the zero value, as this will alter the Model IR5500’s performance. If there is gas present, try setting-up the IR5500 on a breezy day, as this dissipates the gas.

  • Page 32: Response Test

    0C is displayed, system alignment is complete. 3.7.4 Response Test After initial alignment, a test of the IR5500 should be carried out using the Test Gas Films for methane or propane (part numbers 329083-1 or 329084-1, respectively). Follow the instructions on the films.

  • Page 33: Operational Cautions

    Model IR5500 IR5500 detectors with a visible light filter should be installed as described in the installation section. Without the flashing light as a guide for alignment, users may need to use the Long Range Alignment Kit (part number 329082-1) to establish orientation and positioning of the receiver and source.
  • Page 34 A signal will then be given if a beam block exceeds the specified time delay. The ppm•m range of the IR5500 should be used as a warning that there is a gas leak. This may allow action to take place before a leak reaches a hazardous level, while the LEL•m range should be used for a gas leak alarm.

  • Page 35: Operation

    Alarm and Warning LEDs, and displays a set of menu options that provide the user with the most flexible detector system possible. In addition to the IR5500 menu options for operations and configuration tasks, there is an extensive set of Modbus and HART commands for the same tasks that can be sent from remote Modbus and HART devices in control room areas.
  • Page 36 Alarm LEL-m > energized, latching, setpoint CH1 Channel 1 Modbus > baud, format, address CH2 Channel 2 HART > on / off IR5500 MENU LEGEND STATIC MENU OPTION FLASHING MENU OPTION HOLD MAGNET REMOVE MAGNET APPLY MAGNET TIMEOUT Figure 8: IR5500 Main Menu Tree...

  • Page 37: Menu Options

    Model IR5500 Menu Options The Model IR5500 allows the user to reset, test, and align the system as well as configure Receiver outputs. To access the menu, place the magnet supplied with the Model IR5500 over the General Monitors logo on the label of the Receiver for approximately five seconds.
  • Page 38 Model IR5500  AOd – Analog Output delay 0, 1, 2…10, 15, 20, 25… 60 - Seconds before the F1 fault code becomes active. Ao1 level changes to bbF, and the Receiver displays fault code F1.  oFd – Output Fault delay 0 to 60 - Minutes before the F3 fault is active.
  • Page 39 0, 1, 2,...8, 9, 10, 15, 20, 25,...60 minutes Alarm menus diS: Signal Display Menu Pct: Display alignment signal level as % of expected AJ: Display alignment signal level as AJ (legacy) FLP: Flip (reverse) display  Figure 9: IR5500 Beam Block Menu Tree...
  • Page 40 Model IR5500 Ao1 – Apply magnet when this code is showing to alter the options for Analog Output #1 for LEL-m. For HART 1.25 mA and Dual Modbus Receivers, the fault levels for Ao1 are adjustable. Each fault code is in one of four fault output levels...
  • Page 41 Model IR5500  EdF (Enable / disable non-critical faults) 0: Enable all faults 1: Disable Close to Low IR (F1) 2: Disable Dirty Optics (F18) 3: Disable Close to Low IR (F1) and Dirty Optics (F18) 4: Disable Heater fault (F15)
  • Page 42 Model IR5500 Figure 10: IR5500 Analog Output Menu Tree rLy – Relay  Password required to turn relays off: u19, ^61 AL1 - Alarm Relay #1 (0-5,000 / 0-2,000 ppm•m)  En or dE - Energized or De-energized.  LA or nL - Latching or Non-Latching.
  • Page 43 LA or nL - Latching or Non-Latching. If this relay is set to “nL” (non- Latching), the IR5500 must be connected to an auxiliary system which is able to provide the same function as a latching relay i.e. the alarm can only be reset manually.
  • Page 44 Non-latching Only if rLY is on relay setpoint (methane default*) L1.5 Only if rLY is on relay setpoint (methane default*) L3.0 Only if rLY is on Other menus *Propane defaults are L0.3 L0.6 Figure 11: IR5500 Alarm Menu Tree...
  • Page 45 Model IR5500 CH1 – Channel 1 Modbus  br – baud rate – 2.4, 4.8, 9.6, 19.2, or 38.4 kbps  For – Format – 8n1, 8E1, 8o1, or 8n2 – bits, parity (none, Even, odd), stop bits  Add – Address CH2 –...
  • Page 46 Model IR5500 Default values are in red Channel Menu LEL or PPM Other menus Channel Menus CH1: Channel 1 Modbus br: baud rate For: Format Add: Address CH2: Channel 2 HART  Figure 12: IR5500 Channel Menu Tree...

  • Page 47: Flash Input "In

    Model IR5500 Flash Input “in” The flash input data is used to diagnose issues such as poor alignment, path interference, and aging Source lamp. The rSd is the relative standard deviation of reference flash input intensity. The rEF is the average reference flash intensity.
  • Page 48 Reference flash ### after rEF: average reference flash intensity rSd and rEF are updated every 30 seconds IR5500 MENU LEGEND STATIC MENU OPTION FLASHING MENU OPTION HOLD MAGNET REMOVE MAGNET APPLY MAGNET TIMEOUT Figure 13: IR5500 Flash Input Menu Tree...

  • Page 49: Alignment/Adjustment "Pct" Or "Aj

    Model IR5500 Alignment/Adjustment “Pct” or “AJ” Pth (Path length) – Active only when the display (diS) option in the SE menu is set for IR input signal is percent of expected (Pct). AJ is the legacy value for signal strength. Refer to the Appendix for aligning a system using AJ.
  • Page 50 = Pct = 100% x actual signal level / expected signal level ### flashes for Pct < 80. Pct < 50 sets alignment fault (F20). A## is the legacy AJ number. AC: Alignment and zeroing in progress 0C: Alignment and zeroing complete Figure 14: IR5500 Alignment Menu Tree...

  • Page 51: Log - Fault Log And Zero

    Model IR5500 Log – Fault Log and Zero Zro – The Zero offset. If there is no offset, Zro is 100. Background gas during zeroing creates Zro > 100. Dirty optics or partial obscuration can make Zro < 100. ## -- Event index, 1 to 10, 1 is most recent.
  • Page 52 FF and lo FF: hi and lo bytes of fault code, to indicate if there is more than one fault. hi DD and lo DD: hi and lo bytes of diagnostic code, to provide more detail. Figure 15: IR5500 Fault Log Menu Tree...

  • Page 53: Finish "Fi

    Should the Source lamp need replacement, use the Lamp Replacement Kit listed in the Spare Parts section. The Model IR5500 Gas Detector should be stored in a clean, dry area, and within the temperature and humidity ranges noted for environmental specifications in Section 8.2.
  • Page 54 Model IR5500 It is unsafe to use the IR5500 when there is negative drift in the LEL range. A LEL negative drift causes both currents to go to zero and the fault relay to de-energize. The LEL negative drift may occur when the system is first installed and not yet aligned.

  • Page 55: Troubleshooting

    5.1 Fault Codes The Model IR5500 Infrared Open Path System will indicate a fault code number on the three-digit display as an aid to troubleshooting. The following list identifies the fault codes, gives a description of the fault, and indicates the corrective action that should be taken.

  • Page 56: F0 Excess Negative Drift

    Model IR5500 All faults have a 10-second delay before activating, unless otherwise noted. During a fault, the ability of the system to detect gas depends on which fault is active. Fault groups are to highlight that gas detection is generally disabled during detection and flash input faults (dEt and inF) and enabled during electrical faults (ELc).

  • Page 57: F3 Beam Block

    Model IR5500 5.1.3 F3 Beam Block This fault indicates that IR input is below the Low IR fault threshold. ACTION – The system should be aligned and the optical path should be checked for blockage or windows cleaned. 5.1.4 F4 IR Flash Timing Flashes from the Source are erratic.

  • Page 58: F11 Receiver Overheating

    Model IR5500 5.1.11 F11 Receiver Overheating This fault indicates that the Receiver unit is over temperature. The IR5500 continues to detect gas but its accuracy is degraded and the long term reliability is compromised. ACTION – Ensure that the ambient temperature for the Receiver is within specification.

  • Page 59: F16 High Ir

    Model IR5500 5.1.16 F16 High IR IR Flash Input is saturating the Receiver. Receiver displays ‘Aor’. ACTION – Move the Source and Receiver apart, or for 5-30 meter systems only, re-install the attenuation plate. 5.1.17 F18 Dirty Lens Gas output is between -7 % full scale LEL-m and -10 % full-scale LEL-m.

  • Page 60: F24 Receiver Temperature Sensor

    ACTION – Verify that the heater is properly connected and cycle power. If the fault persists, contact the factory. 5.1.27 tF8 Source Overheating This fault indicates that the Source is over temperature. The IR5500 continues to detect gas but its accuracy is degraded and the long term reliability is compromised.

  • Page 61: Receiver Does Not Display Startup Sequence When Power Is Applied

    30 minutes) Stack a second magnet onto the first. 5.2.7 Receiver displays information other than described Refer to the IR5500 Receiver User Menu to apply the magnet and resume alignment. 5.2.8 Source or Receiver will not move Verify that fine adjust screw tops are flush with the assembly surface.

  • Page 62: Customer Support

    Model IR5500 6.0 Customer Support Area Phone / Email UNITED STATES 26776 Simpatica Circle Phone: +1-949-581-4464. 800-446-4872 Lake Forest, CA 92630 Email: info.gm@MSAsafety.com UNITED KINGDOM Heather Close Lyme Green Business Park Macclesfield, Cheshire, United Kingdom, SK11 0LR Phone: +44-1625-619-583 IRELAND...

  • Page 63: Appendix

    7.0 Appendix Warranty General Monitors warrants the Model IR5500 to be free from defects in workmanship or material under normal use and service within two years from the date of shipment. General Monitors will repair or replace without charge any such equipment found to be defective during the warranty period.

  • Page 64: Specifications

    Model IR5500 Specifications 7.2.1 System Specifications Infrared Sensor Type: Methane or Propane Gas Detected: Dual Measuring Range: Methane Light Hydrocarbon Unit: 0 to 5,000 ppm•m and 0 to 5 LEL•m Propane Heavy Hydrocarbon Unit: 0 to 2,000 ppm•m and 0 to 1 LEL•m ≤...

  • Page 65: Electrical Specification

    Model IR5500 7.2.2 Electrical Specification 20 to 36 VDC, 24 VDC nominal Input Voltage: Source: 0.64 A maximum at 20 VDC input voltage Input Current: Receiver: 0.50 A maximum at 20 VDC input voltage; less 0.04 A with relays disabled...

  • Page 66: Environmental Specification

    Model IR5500 7.2.4 Environmental Specification -55°C to +65°C @ 10% to 95% RH non-condensing, Operating Range: 86-108 kPa non-compensated -65°C to +75°C @ 10% to 95% RH non-condensing, Storage Range: 86-108 kPa non-compensated Type 4X, IP66/67 Enclosure Protection Rating: 7.2.5 Approvals Meets the performance requirements of FM 6325, EN 60079-29-4 and IEC 60079-29-4.

  • Page 67: Spare Parts And Accessories

    100 ohms, where maximum load = device load + cable resistance. For 16 AWG cable with resistance of 5 ohms / 1000 feet, the maximum distance from IR5500 and AO device is ((100 / 5 ) / 2) x 1000 feet = 10,000 feet. Ohms/1000 ft...

  • Page 68: Engineering Documentation

    Model IR5500 Engineering Documentation Figure 16: Outline Drawing...

  • Page 69: Split-Range Analog Output Option

    4 to 12 mA represent 0 – 5,000 ppm·m and values from 12 to 20 mA represent 0 – 5.0 LEL·m. For the heavy hydrocarbon version of the Model IR5500 detector the ranges are 4 to 12 mA represent 0 – 2,000 ppm·m and values from 12 to 20 mA represent 0 – 1 LEL·m.

  • Page 70: Alignment Using Legacy Aj Value

    Model IR5500 Alignment Using Legacy AJ Value To change the alignment signal strength indication from Pct to AJ, apply the magnet over the GM logo on the Receiver cover until rSt appears. When SE appears, remove the magnet. Apply the magnet when diS appears. When Pct appears, apply the magnet until AJ appears.
  • Page 71 Model IR5500 ADDENDUM This product may contain hazardous and/or toxic substances. EU Member states shall dispose according to WEEE regulations. For further WEEE disposal information please visit: www.MSAsafety.com All other countries or states: please dispose of in accordance with existing federal, state and local...
  • Page 72 17 Storage Range, 39 Input Voltage, 38 stripping length, vii IP66/IP67, 2 Supply Power, 38 IR5500 Menus, 21 Test Gas Film, xii, 3, 4, 23, 30, 40 Linearity, 37 time out, xii, 17 Lithium grease, v Type 4X, 2, 39...

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