Related Manuals for Prosense PX Series
Summary of Contents for Prosense PX Series
- Page 1 PROSENSE PX Series Gas Detectors User and Safety Manual Prosense Teknoloji San. Ltd. Şti. Cumhuriyet Mah. Mermer sok. No:16 Kartal İstanbul Tel: (90) 216 306 77 88 Faks: (90)216 473 81 29 www.prosense.com.tr PRS-UM-PX-EN-Rev1.1-22.07.2024...
- Page 2 Otherwise, it could fail to perform as designed and persons who rely on this product for their safety could suffer severe personal injury or death. The warranties made by Prosense with respect to this product are voided if the product is not installed, used and serviced in accordance with the instructions in this user guide.
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Page 3: Table Of Contents
Special Condition of Use: ........................9 Specific Condition of Use for CAN/CSA-C22.2 No.60079-0, and 60079-1 and 60079-31 ....9 Introduction .............................. 10 Prosense PX Series Configuration Options ....................11 Model Options: ............................. 11 Cable Entry Type Options: ........................11 Build and Certification Options: ......................12 Explosion-Proof Specification ....................... - Page 4 Display Parameters ..........................38 Change Language..........................38 Change Zero Suppression ......................... 38 Change password ..........................39 LCD Backlight ............................39 Information Menu options ........................40 Display Measurements ........................40 Display Transmitter information ...................... 40 Display Sensor information ......................40 Test Menu Options ..........................41 Run Display test ..........................
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Page 5: Safety Information
To minimize the risk of electrostatic charge, provision shall be made for adequate grounding and equipment shall be installed in such a manner so that accidental discharge shall not occur. When Prosense PX reaches the end of its life, it should be disposed of in accordance with local •... -
Page 6: Strictly Follow The Instructions For Use
Ensure that all screens/instrument earth/clean earth wiring is earthed/grounded at a single • point (either at the controller or detector, BUT NOT BOTH) to prevent false readings or alarms that may occur due to potential earth/ground loops. Take care when handling sensors as they may contain corrosive solutions. Do not tamper with •... -
Page 7: Maintenance
Prosense or if the sensing head is used in a manner not conforming to its intended use. Prosense cannot be held responsible for damage caused by non-compliance with the recommendations given above. - Page 8 PX series with pellistor sensor for flammable gas detectors are designed to detect gases or vapours in air and not inert or oxygen deficient atmospheres. Please be alerted in following...
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Page 9: Special Condition Of Use
If the Prosense PX series flammable gas detectors with pelistör sensor are operated applying with methane at very low temperatures, the measuring signal at long term exposition may decrease after alarm activation and may lead to misinterpretation. If a gas alarm occurs, necessary actions need to be taken immediately. The decrease of the measuring signal should not mean that the gas concentration has been decreased. -
Page 10: Introduction
Prosense PX Series detectors can be configured with a wide range of different sensors may be used to detect a broader range of target gases. The detector can be configured with optional relay board features three programmable relays for controlling external equipment e.g. -
Page 11: Prosense Px Series Configuration Options
Key code: PXD-S-** 3* T* PX Series detector enclosure has 4 entries. Entry-4 is reserved for sensor head. Other entries are for cable entries and the can be either in ½” NPT, ¾” NPT or M20. Below table shows cable entry type... -
Page 12: Build And Certification Options
Build and Certification Options: PX Series detector build by a detector encosure and Prosense SH30 Sensor Head. The detector is certified in below configuration options: • If there is C1 sign after cable entry type (Tx) the device is built as PX encosure and SH30 sensor head as complete and integrated single device. -
Page 13: Detector Parts
ATEX, IECEX, UKEX, UL, INMETRO rules and marked by the device category II 2GD. The PX series detector comprises a gas sensor type Ex-proof (protection type flameproof enclosure db/tb type). Thus this detector is suitable to be operated in hazardous areas with potentially explosive atmospheres of Zone 1/2 and Zone 21/22. -
Page 14: Detector Body
Detector body The detector enclosure has four threaded entries. The two cable entries either side of the upper part of the transmitter housing are for connecting the power source, signal output and relay contacts to associated signalling equipment. The bottom entry allows direct connection of the sensor socket. -
Page 15: Sensor Head
Sensor Head with NFPA 70 for the marked hazardous location. The Prosense sensor head designed to detect flammable, toxic and oxygen gases. Sensor head may include Infrared, pellistor and a wide range of toxic gas sensors based on electrochemical cell (ECC) technology. - Page 16 Cable gland sealing are suitable for the circular type cables. If other shaped cables will be used the sealing should be replaced with suitable ones. The cable glands provided by Prosense are suitable to use temperature range in which detector works.
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Page 17: Mounting The Detector
• in places where temperature is outside the admissible operating range, • corrosive environments, • inside air vents. • environments where silicon can be found. Prosense PX series detector has mounting two mounting holes on detector body to fix detector directly to a surface: Mounting hole Mounting hole... -
Page 18: Electrical Connections
Observe precautions for handling electrostatic sensitive devices. PX Series Detector must be powered by a SELV power supply. The PX Series Detector shall be supplied by an isolated power source which fulfils the requirements of: • Limited-Energy Circuit in accordance with UL/CSA 61010-1, •... - Page 19 R loop = (V controller – V detector min) / I detector Example; Diagram 6: Field cabling The controller or power supply is supplying a nominal 24VDC (V controller), the detector minimum allowable voltage is 12VDC (V detector min), therefore the maximum allowable voltage drop between the controller and detector is 12VDC;...
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Page 20: Cabling
Cabling The use of industrial grade, suitably shielded field cable is recommended. The best practices shown that, screened 3 cores (plus screen 90% coverage), suitably mechanically protected copper cable with a suitable explosion-proof gland, or ¾” NPT steel conduit, depending on the distance between signal received or control panel and detector 0.5 to 2.5 mm2 (20 to 13 AWG) conductors can give better results. -
Page 21: Detector Grounding
Detector grounding Internal Ground connection: Each detector has grounding screw which utilizes grounding for detector main PCB to detector body. The screw should be located correctly and fixed for all times. In case of any maintenance activity this screw should be checked and fixed to make sure for proper grounding. -
Page 22: Pxd/Pxn Configuration
Serial connection port B Table 6: Detector output ports and their usage The Prosense PX detector has 4-20mA analogue output and RS485 Modbus serial communication output features on main board. It is possible to install optional relay module 4-20 mA output: to have three relay outputs for two adjustable alarm levels and fault status. -
Page 23: Rs485 Serial Communication Output
RS485 serial communication output: Table 7: Detector default configuration details Prosense PX series detector has RS485 serial communication output on main board. The MODBUS communciaiton is not part of functional safety. But can be used when needed. Connection ports are located on a different socket nearby analogue output and power input ports. -
Page 24: Relay Module
RS485 termination pin shown on Diagram-11 once the Relay module: installation completed. Prosense provides optional relay modules for Prosense PX detectors to generate switching output. The relay module details are given below: Relay board connection socket... -
Page 25: Oxygen Detectors
The alarm levels are also adjustable via using SW1 and SW2 alarm level pins. Alarm levels are defined as percentage in LEL for flammable gases. The alarm levels can be adjusted using jumpers to switch SW1 and SW2. Possible options are given in table-10: Al1 Level (LEL or PPM) Al2 Level (LEL or PPM) Open*... -
Page 26: System Status
System Status The Prosense PX detector has a screen to show status messages and measurement levels online. Also it has five LEDs to show power, fault, alarm1, alarm2 and alarm3 status. If equipment is in normal condition the green power LED will lit and screen will show the gas that detector measuring, current level of gas detector reading and a bar to show level of current gas measurement. -
Page 27: Indication Of Measured Values
Indication of measured values Display screen shows the concentration level of the target gas in two ways. In the first, a numeric value is shown in the middle of the display in the units selected (PPM, %LEL, %VOL). The second concentration display is shown in the form of a bar graph representing the current concentration against full scale and in relation to the defined alarm levels. -
Page 28: Calibration
not integrated to relay module. Hence it is not possible to get switching output for Alarm-3. In case of an alarm, related alarm LED will lit and alarm information will be shown on the screen: ALARM METHANE 15 %LEL Calibration Equipment shows countdown messages during the calibration. -
Page 29: Analogue Output State
Analogue Output State: Analogue output of equipment provides state information to external devices via current level. The output provides signal between 0- 22mA: • Equipment provides meaningful measurment level between 4-20mA current level. The external device must evaluate 4-20mA current level as measurement level information. -
Page 30: Switching Output State
PXN Analogue output states and indications State Meaning Output(mA) LED red Power-off Device is off, not performing measurement Warm-up Device is working and waiting for sensor stabilization after blinking 2Hz power-on. Actual measurement level is not used to provide measurement result or alarm generation. Fault Device is in fault condition, not performing measurement <2... - Page 31 Alarm1 and Alarm2 are integrated with relay module and relay module can provide swithching output for them. Alarm3 is a visual alarm detector relay module does not have switching output for Alarm3. Prosense DPX Panel has switching output for Alarm-3.
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Page 32: Commissioning
7. Check the screen. It will run self check tests and report the results. All tests should end with OK. In case of any ERROR message contact Prosense. 8. When test completed the screen will show monitoring screen with detector information and WARMUP message on status line. -
Page 33: Commissioning Pxn
Commissioning PXN 1. Remove the detector cover 2. Configure the detector's analogue output signal and power input connections correctly 3. Check that all electrical connections are terminated correctly 4. Switch On the external power supply to feed the detector 5. Using a Digital Multi Meter (DMM), check the Supply Voltage at the terminals V+ (24V) and V- (0V), this should be a minimum supply voltage of 12VDC (Maximum supply voltage is 24VDC) 6. -
Page 34: Detector Settings
Enter key till the screen return back to previous screen. PXN Series detectors will have same functions, options and screens when used with a hand terminal. The hand terminal provided by Prosense and can be used to setup or maintain the detector. Entering the menu: To reach configuration menu press Enter. -
Page 35: Menu Structure
Menu structure PX Series Detector menu includes all necessary steps to setup detector and display information. Menu is available for only PXD model as they have display module. Diagram 13: Main menu structure PRS-UM-PX-EN-Rev1.1-22.07.2024... -
Page 36: Alarm Settings
Alarm1 and Alarm2 are integrated with relay module and relay module can provide swithching output for them. Alarm3 is a visual alarm detector relay module does not have switching output for Alarm3. Prosense DPX Panel has switching output for Alarm-3 when PX intergarted in to DPX series panel. -
Page 37: Configure
Relay: It defines the alarm relay working conditions. Relays can be programmed as Energised (NC) or Non-energized (NO) contact according to use cases and scenarios. When Energized is selected, the relay will have energy during normal operation. When Non-energized is selected, the relay is only energized when performing the switching function. -
Page 38: Display Parameters
4-20mA Output Fault : 2.0 mA Warm Up : 3.0 mA Calibration : 3.0 mA Inhibit : 3.0 mA Over Range : 22.0 mA User can adjust these values to desired values depending of the application requirements Display Parameters between 1 to 3.5 mA for Fault, Warm-up, Calibration, Inhibit and 20-22mA for Overrange. Detector display can be adjusted as per requirements. -
Page 39: Change Password
User should remember the password to perform changes later on. If user forgets the password, detector should be returned back to Prosense to reset password. No Field operation is available to reset password at customer site. -
Page 40: Information Menu Options
:206 Ohm Temperature :34C Display Transmitter information To get details about transmitter and firmware level use transmitter information step in Information menu. A screen will display details. Prosense Ltd. KS031 XMTR S/N:00021907 XMTR F/W:V.1.1.0 DSP F/W :V.1.1.1 Modbus Adr.:01 Test Due:18/12/2018 Display Sensor information To return back to previous menu please press Enter key till the screen changes. -
Page 41: Test Menu Options
Test Menu Options User can execute tests to check detectors functions. To perform tests select Test menu item via up and down keys then press Enter key. The screen will display test options: 1. Display Test 2. Relay 3. Analog Output 4. -
Page 42: Run Analogue Output Test
To return back to previous screen please press Enter key till the screen updated with previous Run Analogue Output test menu items. To test analogue output level user can initiate the analogue output test in Test menu. Once Analogue Output option selected press Enter Key. Screen will display the analogue output level. - Page 43 Detector will return to measurement screen for another 30 seconds with same message BUMP TEST METHANE 0 %LEL Remove gas Once the time counted down to zero the screen will display test results: Start Concentration 0%LEL Peak Concentration 24%LEL End Concentration 0%LEL Test Result OK! If test fails the screen will indicate the result...
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Page 44: Calibration
It is recommended to periodically carry out calibration to ensure correct operation. Prosense PX series detector calibration includes two steps as zero and span calibration. It is possible to perform each step independently. Prosense recommends to perform both calibration steps to have correct calibration. -
Page 45: Set Reference Gas Details
If the password is wrong the display will return to measurement screen. The screen will display menu options when correct password entered at last digit: 1. Alarm Settings 2. Calibrate 3. Configure 4. Information 5. Test 6. Exit Select Calibration. Screen will show calibration options: 1. -
Page 46: Zero Calibration
During 60 seconds you should apply necessary gas for zero level. For catalytic, pellistor and electrochemical sensors use clean air gas, for infrared sensors use N2 gas. For more details contact Prosense. Detector will automatically perform zero calibration while gas applied to sensor during this period. The status will be informed:... -
Page 47: Span Calibration
Span Calibration To perform Span calibration Select Set Span option on calibration menu and press Enter key to start span calibration. At same time prepare the span gas cylinder and regulator; mount the calibration adaptor to the sensor head and apply gas to the detector. Program will request a confirmation to start Span calibration: 30 % LEL METHANE... -
Page 48: Calibration Failed
When countdown completed it will return to monitoring screen via exiting from menu. If you try to enter menu detector will ask password again. The detector will show measured gas level but will go in to INHIBIT mode and not activate alarms as gas applied to detector only for calibration purposes. -
Page 49: Maintenance
Prosense, or if the device is used in a manner not conforming to its intended use. - Page 50 Prosense ProCell field replaceable sensor module is ready to install into detector. The sensor module includes sensor itself and necessary electronic module to operate. This electronic module includes special electronic signal connection pins suitable to sensor head and keeps calibration data inside. Data is recorded with necessary safety measures to keep detector and sensor operation secure to eliminate any unexpected error.
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Page 51: Sensor Pcb Replacement
Sensor head replacement: 9- Fix the Locking grub screw Prosense sensor head is a separate part that can be replaced. The sensor head includes integrated sensor, electronic device and sinter in it. PX series sensor head is pre-calibrated and will start function immediately following the replacement. To replace sensor head:... -
Page 52: Pxd Detector Display Module Replacement
11- Leave detector working at least 4 hours in clean air environment PXD Detector Display Module replacement: 12- Check detector calibration. Prosense PXD display board is a replaceable part. The replacement should be done via following steps: 1- Power-Off the detector via disconnecting power cable from control panel or supply... -
Page 53: Fault Status Codes
Relay module communication error CPU failure CPU STACK Stack Overflow Error TEST DUE Defined test period is passed, test execution needed LINE Analogue output is not connected or shortcircuited NO COMM Display communication failure Table 17: PX Series Fault Status Codes PRS-UM-PX-EN-Rev1.1-22.07.2024... -
Page 54: General Specification
General specification Electrical Specifications: Detector must be powered by a SELV power supply. PXD/PXN Input 12 to 28VDC (24VDC nominal) Max Power Max 4 Watts. at 24VDC Current output 1-22mA Fault 1.0 - 3.5 mA (adjustable) Warm-Up 1.0 - 3.5 mA (adjustable) Inhibit 1.0 - 3.5 mA (adjustable) Calibration... -
Page 55: Default Configuration
%15 of FS Rising Refrigerant gases 2000-10000ppm %10 of FS Rising %15 of FS Rising Flammable 100%LEL 10%LEL Rising 15%LEL Rising 5%Vol 1%Vol Rising 2%Vol Rising Carbon Dioxide 5000ppm 2000ppm Rising 3000ppm Rising Table 22: PX Series default alarm settings PRS-UM-PX-EN-Rev1.1-22.07.2024... -
Page 56: Performance And Configuration Data
Performance and Configuration Data: Accuracy (ppm or Name Sensor Default Range Resolution % of applied gas) Calibration Gas T90*(sec) 25 to 75% of full range < 40 Pellistor 0-100%LEL 1%LEL ±3% FS or ±10% typically 30%LEL CH4 25 to 75% of full range <... - Page 57 Accuracy (ppm or Name Sensor Default Range Resolution % of applied gas) Calibration Gas T90*(sec) 25 to 75% of full range Acetone < 40 Pellistor 0-100%LEL 1%LEL ±3% FS or ±10% typically 30%LEL CH4 Methyl Ethyl 25 to 75% of full range <...
- Page 58 0-100%LEL 1%LEL ±3% FS or ±10% typically 30%LEL CH4 Table 23: PX Series performance and calibration data NOTES Performance figures are taken at 20~25C; 1. measured using a sample humidity of 50%RH, applicable between 10 and 90% of full scale, 2.
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Page 59: Safety Instructions For Hazardous Area Installation
The following instructions apply to equipment covered by ATEX/IECEx/UKEX/UL certificate number: 1- PX Series gas detectors for monitoring a very wide range of toxic and flammable gases and oxygen. PX series are available as Flameproof (Ex db/tb) detectors suitable for use in Zone 1/2 and Zone 21/22 hazardous areas. - Page 60 19. PX Series gas detectors must be installed only with sensor head pointing downwards. 20. Cable glands and thread adapters used for entry into the enclosure, as well as blanking elements, shall be certified as Ex Components according to protection “d”, and suitable for...
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Page 61: Declarations
Declarations PRS-UM-PX-EN-Rev1.1-22.07.2024... -
Page 62: Warranty Statement
12 months from date of shipment from Prosense Technology. The Product will be returned repaired or replaced if it is determined by Prosense that the part failed due to defective materials or workmanship. Warrant is only valid if product is shipped prepaid to Prosense at Kartal, Istanbul TURKEY, in a package equal to or in the original container accompanied by a detailed description of any issue. -
Page 63: Limitation Of Liability
It is understood and agreed that Prosense’ liability, whether in contract, in tort, under any warranty, in negligence or otherwise shall not exceed the amount of the purchase price paid by the purchaser for the product.
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