E2618-LEL
Rev 08.12.2020
Table of contents
Acetylene
4
Butane
5
Hydrogen
6
Methane
7
Propane
8
Specifications
9
Product description
11
Safety requirements
Operating conditions
Installation guidelines
12
Wall mount version
Duct mount version
Mounting dimensions
13
Sensor probe handling
14
Gas sensor replacement procedures
Operation
16
Maintenance
Calibration
Delivery set
17
Order code for E2618-LEL options
Configuring
18
Return to default settings
Modbus RTU Communication
19
RS485 communication interface
Communication parameters
Modbus holding registers
2
Страница 1: ...PluraSens Combustible Gas Transmitter E2618 LEL User Manual...
Страница 2: ...delines 12 Wall mount version 12 Duct mount version 12 Mounting dimensions 13 Sensor probe handling 14 Gas sensor replacement procedures 14 Operation 16 Maintenance 16 Calibration 16 Delivery set 17 O...
Страница 3: ...E2618 LEL Rev 08 12 2020 Warranty 23 Manufacturer contacts 23 3...
Страница 4: ...Ethyne 4 Chemical formula HC CH Molar weight 26 Relative gas density to air 0 90 Conversion 1 ppm 1 06 mg m 3 Boiling point 84 C Low explosive limit LEL vol in air 2 3 2 5 Upper explosive limit UEL vo...
Страница 5: ...eferred to as LPG liquefied petroleum gas 5 Chemical formula n butane CH 3 CH 2 CH 2 CH 3 iso butane CH 3 CH CH 3 CH 3 Molar weight 58 Relative gas density to air 2 0 Conversion 1 ppm 2 38 mg m 3 Boil...
Страница 6: ...electrolysis of aqueous solutions In industrial production the main source of hydrogen is hydrocarbons 6 Chemical formula H 2 Molar weight 2 Relative gas density to air 0 07 Conversion 1 ppm 0 0818 m...
Страница 7: ...ynonyms Marsh Gas Natural Gas Carbon tetrahydride Hydrogen carbide 7 Chemical formula CH 4 Molar weight 16 Relative gas density to air 0 55 Conversion 1 ppm 0 65 mg m 3 Boiling point 161 49 C Low expl...
Страница 8: ...ulated for 25 C and 1 atm according to new EU standards stirred concentration of gas according to US standard still gas method 8 Chemical formula CH 8 CH 2 CH 8 Molar weight 44 Relative gas density to...
Страница 9: ...mitter with a catalytic type sensor is not suitable for acetylene detection Signal update Every 1 second Power supply options 11 30 VDC or 24 VAC Power consumption 2 VA Load resistance R L Us 2 V 22 m...
Страница 10: ...E2618 LEL Rev 08 12 2020 10 Other options Remote probe Protection IP65 default cable length 3 0 m max height 80 mm max diameter 65 mm...
Страница 11: ...any maintenance operation with the power on Do not let water or foreign objects inside the device Removal of the PCB from the enclosure voids the warranty Do not touch the electronic components direc...
Страница 12: ...affect the coverage area of the device however the coverage area for a transmitter is usually between 2 5 to 5 meters radius For early leakage detection install the sensor as close as possible to the...
Страница 13: ...E2618 LEL Rev 08 12 2020 Mounting dimensions Wall mount version Duct mount version 13...
Страница 14: ...d filter Place a new filter into the nut and tighten it again NOTE Never stab or press the filter near its center where the sensor is located since this may damage the sensor Do not remove the filter...
Страница 15: ...1 5 mm 2 We recommend to strip the wire end by 8 9 mm and use wire end sleeves To connect the wire insert the wire end into the terminal hole To disconnect push the spring loaded terminal lever pull...
Страница 16: ...Maintenance Do not perform any maintenance operation with the power on Clean the device with a soft damp cloth Do not use any abrasive cleaning agents Do not immerse the device in water or any cleani...
Страница 17: ...ption Round rubber flange for Remote probe option Fixing clamp for Remote probe option Order code for E2618 LEL options 17 E2618 options Order code Remote probe 3 m cable E2618 LEL RP33 3 Remote probe...
Страница 18: ...grating averaging filter Free assignment of each analog output to the chosen parameter Flexible setting of analog output scales for each output Output zero and slope adjustment for calibration The out...
Страница 19: ...rameter Permitted values Default Supported baud rates 1200 2400 4800 9600 19200 38400 57600 9600 Data bits 8 8 Parity none odd even none Stop bits 1 2 1 Protocol Modbus RTU Modbus functions 03 Read mu...
Страница 20: ...32000 32000 ADC units 0 0x00A6 166 40167 RW Slope adjustment for gas data 1 65535 512 0x00A7 167 40168 RW Change rate limit for gas data ppm for O2 s 1 32000 0 no limit 0 0x00A8 168 40169 RW Integrati...
Страница 21: ...will be ignored bit 6 0 1 current voltage output detected on output1 RO bit 7 0 1 current voltage output detected on output2 RO bit 8 0 1 LED deactivated activated bit 9 0 1 buzzer deactivated activat...
Страница 22: ...be used to assign a new ID to the instrument with an unknown ID When addressing by ID 0 the device shall be the only Modbus instrument in the network The device will not respond to the Master command...
Страница 23: ...Manufacturer will at its option either repair or replace a product that proves to be defective This warranty is void if the product has been operated in conditions outside ranges specified by the Manu...