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ETS-Lindgren OMS, User Manual

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ETS-Lindgren OMS User Manual Download Page 33

31 

www.ets-lindgren.com

 

Installation

 

 

6.0   Installation 

 

 

Before connecting any components, follow the 

safety information in the ETS-Lindgren 

Product Information Bulletin included with your 

shipment. 

 
 

Prior to performing any of the steps in this 

chapter, see Before You Begin Installation on 

page 27. 

 

 

The OMS must be installed outside of the 

MRI room; otherwise, the OMS may interfere 

with the normal operation of the MRI system. 

 

 
 

The OMS must be installed outside of the shielded enclosure. 

 

 

Mounting the OMS 

 

The Sample Draw Oxygen Monitoring System (OMS™) is designed primarily for 

wall mounting and should be installed at a height convenient for operation, 

maintenance, and viewing of the instrument display. The transmitter and sensor 

should be installed in a location where gas leaks are likely to occur or where 

released gases may accumulate. 

Summary of Contents for OMS

Page 1: ...www fmgrupotec com fmgrupotec fmgrupotec com 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España Sample Draw Oxygen Monitoring System OMS User Manual ...

Page 2: ...ETS Lindgren Inc does not convey any license under its patent rights or the rights of others Copyright 2013 by ETS Lindgren Inc All Rights Reserved No part of this document may be copied by any means without written permission from ETS Lindgren Inc Trademarks used in this document The ETS Lindgren logo and OMS are trademarks of ETS Lindgren Inc NEMA is a registered trademark of NEMA 3M and Scotch ...

Page 3: ...tin 11 2 0 Maintenance 13 Recommended Routine Maintenance 14 Every 6 12 Months 14 Annually 14 Replacement and Optional Parts 15 Service Procedures 15 3 0 Specifications 17 Electrical Specifications 17 Physical Specifications 17 Performance Specifications 18 Gas Detection System Specifications 18 Signal Outputs 19 Default Factory Settings 19 4 0 Component Views 21 Front View Exterior 21 Front View ...

Page 4: ... 34 Sample Draw Sensor Tubing 35 Using an Available Waveguide 36 Using Kit 551060 to Install Waveguide 37 Wiring 39 Installing the Optional Remote Display 40 Connecting a Remote Horn and Strobe to OMS 42 Connecting a Remote Fan Contactor to OMS 43 Initial Startup 44 7 0 Operation 47 Joystick Operation 47 Main Operation Mode 48 Internal Sample Flow Rate 48 Signal Outputs 48 Instrument Faults 49 Los...

Page 5: ...www fmgrupotec com fmgrupotec fmgrupotec com 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España Set Formats 61 ...

Page 6: ...ity 63 Set Latching 65 Reset Latching Alarm 66 Set Alarm Delay 67 Set Zero Suppression 67 Set Alarm Thresholds 68 Set Alarm Hysteresis 70 Set Sensor Adjust 72 9 0 Sensor Verification 73 Required Gas and Equipment 74 Sensor Verification Procedure 74 Sensor Verification to Nitrogen 75 Sensor Verification to Known Concentration of Oxygen 76 Appendix A Warranty 77 ...

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Page 8: ......

Page 9: ...low instructions could result in minor personal injury and or property damage Included text gives proper procedures Warning Denotes a hazard Failure to follow instructions could result in SEVERE personal injury and or property damage Included text gives proper procedures See the ETS Lindgren Product Information Bulletin for safety regulatory and other product marking information ...

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Page 11: ...ells the zirconium oxide sensor cell provides stable oxygen readings even in areas where temperature and humidity levels are changing The OMS may be used as a standalone gas detector or connected to your own centralized control and surveillance system Technology LONG LIFE ZIRCONIUM OXIDE SENSOR CELL The heart of the monitoring system is a zirconium sensor which responds to low oxygen conditions wi...

Page 12: ...through the optional fault relay option Ideal for continuously monitoring oxygen levels in confined spaces or areas where inert gases are used the OMS does not drift or lose sensitivity with weather or temperature changes The electronics are housed in a NEMA Type 4X enclosure Standard Configuration The OMS must be installed outside of the shielded enclosure Oxygen Monitoring System Power supply Du...

Page 13: ...in See the ETS Lindgren Product Information Bulletin included with your shipment for the following Warranty information Safety regulatory and other product marking information Steps to receive your shipment Steps to return a component for service ETS Lindgren calibration service ETS Lindgren contact information ...

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Page 15: ...uct Information Bulletin included with your shipment Maintenance of the OMS is limited to the procedures described in this manual and should be performed only by qualified personnel Warranty may be void if non authorized procedures are performed or if performed by non qualified personnel If you have any questions concerning maintenance contact ETS Lindgren Customer Service ...

Page 16: ...4 mA signal when the oxygen level is at 20 9 Also the display should indicate 20 9 oxygen when the oxygen is at ambient levels Sensor verification with nitrogen The ambient oxygen level is 20 9 therefore under ambient conditions verification of the OMS to 20 9 oxygen is constantly performed The OMS requires periodic testing with nitrogen only to verify the cell response to low oxygen levels See Se...

Page 17: ...estions about part numbers and ordering parts Following are the part numbers for ordering replacement or optional parts for the OMS Part Description Part Number Optional Remote Display 250552 Filter Replacement 250551 Service Procedures For the steps to return a system or system component to ETS Lindgren for service see the Product Information Bulletin included with your shipment ...

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Page 19: ... Power 24 VDC external power Consumption Approximately 700 mA Physical Specifications Height 7 0 in 178 mm Width 5 0 in 127 mm Depth 5 0 in 127 mm Weight 4 0 lb 2 kg Enclosure Type NEMA Type 4X wall mount general purpose not intended for explosive atmospheres or electrically classified areas ...

Page 20: ...tivated Operating Temperature 40 C to 40 C 40 F to 104 F Contact ETS Lindgren for lower or higher operating temperatures Humidity 0 to 95 relative humidity RH Contact ETS Lindgren for sensors which can operate in 100 condensing RH environments Gas Detection System Specifications Type Long life zirconium oxide sensor cell 0 25 Sensor Life 8 to10 years under normal conditions Transmitter Microproces...

Page 21: ...lt relay Rated 2 amps 30 VDC 2 amps 240 VAC Default Factory Settings The built in relay settings are user changeable see Main Menus and Submenus on page 60 for more information Menu Function Description Factory Default Set 4 20 mA loop To set the OMS 4 mA zero and 20 mA span to your PLC or distributive control system The mA output is set at the factory using a calibrated Fluke meter Set Formats LE...

Page 22: ...e to wait until the relay alarms activate Alarm 5 seconds Zero Suppression Note This function is not enabled on the OMS 000 0 00 Set Alarm Thresholds To set the level to alarm Note The Audio Alarm feature is optional Alarm 1 19 5 Alarm 2 18 0 Audio 19 5 Set Alarm Hysteresis Use when utilizing the OMS for control or valves and process see page 70 for more information Alarm 1 0 0 Alarm 2 0 0 Audio 0...

Page 23: ...of cover that protects the interior of the transmitter fastened by four captive screws 2 Joystick Used to select and adjust the built in menus The OMS features dual level user selectable alarms 3 Digital display Displays the oxygen levels in percentage the normal oxygen level on Earth is 20 9 ...

Page 24: ... Permits the flow of oxygen to enter the sensor 7 Cable strain relief The sealed opening in the transmitter housing for connecting the input power 4 20 mA output and relay wiring 8 Sample exhaust Permits the flow of oxygen to exit the enclosure 9 Front cover fasteners 4 Four captive screws attach the front window to the base unit 10 Front panel fastening screws 2 ...

Page 25: ...nsor assembly A zirconium oxide sensor cell that detects and measures the level of oxygen When exposed to oxygen the sensor outputs an electrical signal proportional to the actual concentration of oxygen 3 Retaining screws for electronics panel 2 These mount the display front panel and electronics to the enclosure When unfastening the front panel electronics apply upwards pressure on the back of t...

Page 26: ...24 Component Views Front view with electronics panel rotated ...

Page 27: ...5 Component Views Transmitter Interior The fuse is field replaceable The power analog output terminal block is a 5 pin terminal block where the 24 VDC power and 4 20 mA analog output connections are made ...

Page 28: ...26 Component Views Alarm Relay Board For the relays from left to right NC C NO ...

Page 29: ...The OMS is not designed for installation in a hazardous area Contact ETS Lindgren for information on special enclosures for use in a hazardous environment The OMS must be installed outside of the MRI room otherwise the OMS may interfere with the normal operation of the MRI system The OMS must be installed outside of the shielded enclosure The Sample Draw Oxygen Monitoring System OMS enclosure shou...

Page 30: ...e Connect OMS and Sensor Before Powering To avoid damage to the sensor Do not power the OMS with the sensor unplugged from the main PC board Do not connect the sensor to the PC board while the OMS is powered Do Not Exchange the Sensor Electronics The sensor is matched to the electronics Never exchange the electronics with a sensor from a different OMS Use Proper Calibration Steps Calibrate or chal...

Page 31: ...to span gas blends that only consist of oxygen and nitrogen Do not expose the OMS to any combustible gas methane hydrogen etc Exposure to combustible span gases can damage the sensor Keep Away From Silicone Compounds Do not expose the OMS to silicone compounds Exposure to silicone compounds can cause a loss of sensitivity Keep Away From High Air Flow Do not expose the OMS to high air flow or insta...

Page 32: ... com Keep Away From a Water Stream Do not expose the sensor directly to a water stream Cover and protect the OMS and power supply if located in an area that requires wash downs Contact ETS Lindgren for information on purchasing a waterproof enclosure ...

Page 33: ...alled outside of the MRI room otherwise the OMS may interfere with the normal operation of the MRI system The OMS must be installed outside of the shielded enclosure Mounting the OMS The Sample Draw Oxygen Monitoring System OMS is designed primarily for wall mounting and should be installed at a height convenient for operation maintenance and viewing of the instrument display The transmitter and s...

Page 34: ...hich adds an additional 3 75 inches The OMS should be mounted no closer than 12 inches above floor level Airflow within the monitored area the characteristics of the gas lighter or heavier than air and the position of workstations and personnel should all be considered in determining the most suitable installation location ...

Page 35: ...33 www ets lindgren com Installation ENCLOSURE MOUNTING FEET The four mounting feet can be oriented in any direction The feet can also be removed for mounting the OMS flush with a wall or other surface ...

Page 36: ...ST FILTER To protect the pump from dust a particulate filter is provided 1 Attach the filter to the sample inlet by inserting the filter into the 1 4 in tube compression fitting 2 Verify the correct flow by aligning the arrow towards the OMS ...

Page 37: ...m tubing not included a maximum of 100 feet 30 meters from the display unit through a waveguide and into the interior of the MRI room or shielded enclosure The OMS flow pump continuously samples air drawn from end points up to a maximum of 100 feet 30 meters from the unit For optimal sensing position the end point of the tube near the ceiling of the monitored space A tuned pipe waveguide allows th...

Page 38: ... is no waveguide available go to page 37 to install Waveguide Kit 551060 2 If one of the following types of waveguides is available then route the sensor tubing through and into the MRI room or other shielded enclosure If a threaded pipe waveguide is available Install standard threaded plastic bushings to ensure that the sensor tubing is not abraded over time If a medical gas port that consists of...

Page 39: ...ogging the sensor tubing use a small filtered terminus that can be serviced easily 1 Locate the area in the penetration panel to place the 1 2 in pipe waveguide 2 Using a hole saw with the same inner diameter as the 1 2 in pipe waveguide outer diameter gently cut through the copper shielding This can be done by hand rotating the hole saw in reverse or by marking the copper and using a box cutter t...

Page 40: ...veguide so that it will rest between the copper shield face and the bee nut Insert the waveguide 6 On the inside of the shield install the second bee nut and hand tighten On the outside of the shield grip the waveguide and tighten the bee to a snug torque 7 Route the 1 4 in sensor tubing through the waveguide 8 For an MRI room Inside the MRI room route the sensor tubing along the inside of the fin...

Page 41: ...wire shielded cable for analog output and 24 VDC power input The analog out and VDC power in connections are made on the terminal block inside the transmitter housing Pin Connection Description Common Signal Ground 0V Common Signal Ground 0V MA Signal Out DC 4 20 mA Output Power DC 24 V Input Power DC 24 V Input Additional contacts for 24 VDC Power and Common have been added to accommodate additio...

Page 42: ...ay easily connects to the input power and built in 4 20 mA output connection on the OMS An 18 AWG 2 conductor stranded control and instrumentation cable Belden 8461 or equivalent is recommended for the connection The maximum permissible cable length is 250 feet When installing two remote displays they must be connected to the OMS in series To make fine adjustments to the display carefully turn the...

Page 43: ...41 www ets lindgren com Installation ...

Page 44: ...w ets lindgren com Connecting a Remote Horn and Strobe to OMS The following illustrates how to connect a remote horn and strobe federal signal horn strobe or equivalent to the OMS with Alarm Relay 1 set to Normally Open ...

Page 45: ...43 www ets lindgren com Installation Connecting a Remote Fan Contactor to OMS Use 24 VAC voltage inside the OMS do not use 120 VAC or higher voltage ...

Page 46: ...he display will show a 4 minute 240 second countdown as the current to the sensor stabilizes The monitor will output a 4 mA signal during the entire warm up period Do not make any adjustments to the reading until after the OMS has been powered for at least one hour After the countdown the sensor will continue to reach its operating temperature for approximately 30 minutes and the reading that is d...

Page 47: ...et Sensor Adjust on page 72 Pump Adjustment The OMS has a built in digitally controlled flow controlled sample pump The pump flow is set at the factory and should not require adjustment It has a range to accommodate tubing lengths of three feet to over 100 feet If flow adjustment is necessary contact ETS Lindgren Normal flow rate is between 0 10 and 0 25 liters per minute ...

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Page 49: ...nitoring System OMS uses an 8 position joystick with a center pushbutton for selecting menus and changing values The joystick is programmed to standard protocol as follows Plus Push the joystick in this direction to increase the value Minus Push the joystick in this direction to decrease the value Next Push the joystick in this direction to moves to the next level of the menu hierarchy Previous Pu...

Page 50: ...ly monitored and controlled by the flow control microprocessor If the sample line is blocked the fault indicator will illuminate and the pump will accelerate and attempt to re establish the proper flow rate If the line is cleared the pump will speed and slow down and the fault light will turn off when the flow rate is back to factory setting For the recommended filter maintenance see page 14 Signa...

Page 51: ...c problem Contact ETS Lindgren if a fault is displayed Condition Analog Signal Supply Voltage Out of Range Fault Code 16 Analog output drops to 2 mA Transmitter cable cut Analog output drops to 0 mA O2 Cell Current Fault Fault Code 128 Analog output drops to 2 mA 0 mA on request Fault Relay activates available with Relay Option only O2 System Warm Up Analog output drops to 2 mA Fault Relay activat...

Page 52: ...ically reset If the relay settings are latching then a manual reset of the alarms is required Resetting the alarms can be performed by using the joystick or using the remote reset function Joystick To reset the alarms enter the password and then push the joystick directly in the center to enter the information Remote Reset The alarm relay board has a 2 pin connector for wiring to a remote switch W...

Page 53: ...ed with your shipment Only qualified personnel should program the OMS The Sample Draw Oxygen Monitoring System OMS is supplied with user selectable settings to adjust the alarm settings 4 and 20 mA output and minor sensor adjustments The settings are arranged in menus that are accessed by moving the joystick Use the password set at the factory to access the menus The OMS will continuously monitor ...

Page 54: ... 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España Program Flowchart All numerical values shown in the flowcharts on the following pages are examples the values and are not factory defaults The Zero Suppression function is not available for oxygen ...

Page 55: ...53 www ets lindgren com Programming the OMS www fmgrupotec com fmgrupotec fmgrupotec com 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España ...

Page 56: ...54 Programming the OMS www ets lindgren com www fmgrupotec com fmgrupotec fmgrupotec com 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España ...

Page 57: ...55 www ets lindgren com Programming the OMS www fmgrupotec com fmgrupotec fmgrupotec com 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España ...

Page 58: ...56 Programming the OMS www ets lindgren com www fmgrupotec com fmgrupotec fmgrupotec com 0034 903 360 306 Calle Algepser n16 Parque Empresarial Tactica 46980 Paterna Valencia España ...

Page 59: ...to the menus the password is 557 Following are the steps to enter the password Step Display 1 Push the joystick once to the right Enter Password 2 Push the joystick again once more to the right to enter the input screen The letter A will appear and flash The display has characters A Z and 0 9 Pushing the joystick up or down will scroll through the alphanumeric characters 3 Push the joystick up or ...

Page 60: ...e password CHANGE PASSWORD The OMS has a factory set password to prevent unauthorized access to the menus the password is 557 Following are the steps to change the password Step Display 1 Push the joystick down to access the Manage Passwords menu Manage Passwords 2 Push the joystick to the right to enter the input screen Enter New User Password 3 Push the joystick to the right to enter the input s...

Page 61: ...word Re Enter New Password 8 Repeat steps 4 7 to re enter the new password New Password Entry OK If the re entered password does not match the initial entry Re Enter Password will display and you will need to repeat the entire process starting with step 2 on page 58 ENABLE DISABLE PASSWORD FUNCTION This function allows you to activate or deactivate the password function on the OMS Step Display 1 P...

Page 62: ...connected to a remote PLC controller or to a SCADA system You can also connect the OMS to a volt meter to read the mA output Please contact ETS Lindgren for more information Step Display 1 From this main menu push the joystick to the right to select the submenu used to adjust the 4 mA output Set 4mA Zero 2 To change the value push the joystick to the right to display the 4 mA setting The display w...

Page 63: ... joystick to the left to go back to the previous main menu Set 20mA Span You will be able to access the Force Loop submenu but because the Force Loop function was designed for toxic and corrosive gases it is not available for use on the OMS SET FORMATS This set of menus is used to adjust the relay states for the two gas alarm relays and the individual instrument fault relay To access this menu the...

Page 64: ... the joystick to the right Format Relay 1 6 Push the joystick down to access the next menu used to adjust the second level alarm relay state Format Relay 2 7 Push the joystick to the right to display the relay state INVERT 8 Push the joystick down to change the relay state to NORMAL and then Enter to accept the value NORMAL will display and then will default to the Set Formats menu 9 Push the joys...

Page 65: ... when the gas concentration exceeds goes above an alarm set point Step Display 1 Access this menu from the Set Formats menu by pushing the joystick down Set Alarm Threshold Polarity 2 Push the joystick to the right Set Alarm 1 Polarity 3 Push the joystick to the right to display the relay state INVERT 4 Push the joystick down to change the relay state to NORMAL and then Enter to accept the value N...

Page 66: ...S must be installed with the audio option module If not installed the display will indicate N A not available The optional built in horn is designed to operate in only one alarm mode It will activate in either a decreasing alarm or an increasing alarm mode 9 Push the joystick to the right to display the relay state INVERT 10 Push the joystick down to change the relay state to NORMAL and then Enter...

Page 67: ...installed the display will indicate N A not available Step Display 1 Push the joystick to the right to select the submenu to adjust the first level alarm relay state Set Latching Relay 1 2 Push the joystick to the right to display the relay state LATCHING 3 Push the joystick down to change the relay state to NON LATCHING and then Enter to accept the value NONLATCH will display and then will defaul...

Page 68: ...ust be installed with the audio alarm option module If not installed the display will indicate N A not available 10 Push the joystick to the right to display the relay state LATCHING 11 Push the joystick down to change the relay state to NON LATCHING and then Enter to accept the value NONLATCH will display and then will default to the Set Latching menu RESET LATCHING ALARM To reset a latching alar...

Page 69: ...s period of time Step Display 1 Push the joystick down to access the Alarm Delay main menu Alarm Delay 2 Push the joystick to the right to display the time setting function Push the joystick up to increase the value or down to decrease the value and then Enter to accept the value The display will indicate a value between 0 and 255 seconds and then will default to the Alarm Delay menu The alarm del...

Page 70: ...which the first level alarm will be activated To display the setting push the joystick to the right Push the joystick up to increase the value or down to decrease the value and then Enter to accept the value The display will indicate a value between 00 0 and 25 5 and then will default to the Set Relay 1 Alarm Threshold menu 3 Push the joystick to the right to select the next submenu Set Relay 2 Al...

Page 71: ...t to display the second level alarm setting Push the joystick up to increase the value or down to decrease the value and then Enter to accept the value The display will indicate a value between 00 0 and 25 5 and then will default to the Set Audio Alarm Threshold menu To access this menu the OMS must be installed with the audio alarm option module If not installed the display will indicate N A not ...

Page 72: ...ld at 15 2 and the hysteresis value at 0 3 Valve off Average alarm set point 15 2 Hysteresis 0 3 14 9 Valve on Average alarm set point 15 2 Hysteresis 0 3 15 5 Step Display 1 Push the joystick down to access the menu Set Alarm Hysteresis 2 Push the joystick to the right Set Alarm 1 Hysteresis 3 Push the joystick up to increase the percentage the maximum value is 2 5 Push the joystick down to decre...

Page 73: ...erna Valencia España Step Display 6 Push the joystick down to access the next submenu Set Alarm Audio Hysteresis 7 Push the joystick to the right to display a value 0 0 Push the joystick up to increase the percentage the maximum value is 2 5 Push the joystick down to decrease the percentage Enter to accept the value The display will indicate the selected value ...

Page 74: ... to access the submenu Set Sensor Span 3 Push the joystick up to increase the counts and decrease the percent oxygen value displayed Push the joystick down to decrease the counts and increase the oxygen value displayed Adjust to a value of 20 9 0 1 and then Enter to accept the value The display will indicate a value between 0 and 255 counts and then will display the selected value of 20 9 0 1 Then...

Page 75: ...delines when generating and using nitrogen Sensor verification should be performed only by qualified personnel Warranty may be void if performed by non qualified personnel If you have any questions concerning maintenance contact ETS Lindgren Customer Service Earth is a source of calibrated oxygen at 20 9 and therefore under ambient conditions Verification of the Sample Draw Oxygen Monitoring Syste...

Page 76: ...pan gas You may purchase both items from your gas supplier or from Air Liquide Air Liquide Part Number Description CZF6D400281 Nitrogen 105 liter cylinder 99 99 18102509 Regulator On Demand Sensor Verification Procedure Prior to performing the procedure place the OMS in a clean non oxygen deficient environment Warm up the OMS for two hours prior to making any adjustments to the sensor If the OMS i...

Page 77: ...k down to decrease the counts and increase the oxygen value displayed Adjust to a value of 20 9 0 2 and then Enter to accept the value The display will indicate a value between 0 and 255 counts and then will display the selected value of 20 9 0 2 Then the display will default to Set Sensor Span 4 Push the joystick to the left to return to the main menu Sensor Adjustment Sensor Verification to Nitr...

Page 78: ...the sensor To see the exact span gas concentration the OMS must be completely immersed into a span gas environment To see a true zero the OMS must be completely immersed into a zero oxygen environment The sensor inlet on the OMS has a 1 4 in compression tube fitting designed to connect to the filter Connect 1 4 in diameter sample tubing from a nitrogen cylinder directly to the filter Expose the OM...

Page 79: ...rmation Bulletin included with your shipment for the complete ETS Lindgren warranty for your Oxygen Monitoring System DURATION OF WARRANTIES FOR OXYGEN MONITORING SYSTEM All product warranties except the warranty of title and all remedies for warranty failures are limited to three years Product Warranted Duration of Warranty Period Sample Draw Oxygen Monitoring System OMS 3 Years ...

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