Evikon PluraSens E2638 Series User Manual Download Page 35

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E2638-PID

Rev 10.03.2021

0x0005

5 / 40006 RW Baud rate *

1200, 2400, 4800, 9600, 19200,
38400, 57600

9600

0x0006

6 / 40007 RW Response delay, ms

1...255

0x0007

7 / 40008 RW Stop bits, parity bit *

1 – No parity bit, 1 stop bit
(default after factory reset)
2 – No parity bit, 2 stop bits
3 – Odd parity, 1 stop bit
4 – Even parity, 1 stop bit

NOTE: 3 and 4 are available
starting from the Software
version 0x218 (dec. 536)

0x0008

8 /40009 R Last error code

1...255

0x0011 17 / 40018 RW

Technological:

age of last data in seconds
(read) / restart (write)

0...65535 s (read),

writing 42330 restarts the
instrument

0x00A5

165 /

40166 RW

Zero adjustments for gas

data, ADC

-32000...+32000 ADC units

0x00A6

166 /

40167 RW

Slope adjustment for gas

data

1...65535

512

0x00A7

167 /

40168 RW

Change rate limit for gas

units/ s

1...32000, 0 - no limit

0x00A8

168 /

40169 RW

Integrating filter time

constant, s

1...32000 (seconds),

0 - no filter

Address Reg / MHR RW Description

Supported values (dec)

Default

0x00C9

201 /

40202 RW

Parameter tied to analog

output 1

0 – None

2 – Gas concentration
9 – Forced Modbus control,
value set in MHR / 40204

0x00CA

202 /

40203 RW

Parameter tied to analog
output 2

0 – None
2 – Gas concentration

9 – Forced Modbus control,
value set in MHR / 40205

0x00CB

203 /

40204

RW Forced value for analog

output 1***

0...1000
(0.0%...100.0% of output
scale)

0x00CC

204 /

40205 RW

Forced value for analog
output 2***

0...1000
(0.0%...100.0% of output
scale)

Summary of Contents for PluraSens E2638 Series

Page 1: ...PluraSens Solvent Vapor Detector Transmitter E2638 PID User Manual ...

Page 2: ...13 Mounting dimensions 14 Sensor probe handling 15 Gas sensor replacement procedures 15 Electrical connections 16 Operation 18 PID photoionization detector technology 19 Properties of VOC ionization energy the correction factor 19 Calibration and maintenance 28 Delivery set 32 Order code for E2638 PID options 32 Configuring 33 Return to default settings 33 Modbus RTU Communication 34 RS485 communi...

Page 3: ...E2638 PID Rev 10 03 2021 Communication parameters 34 Modbus holding registers 34 Warranty 39 Manufacturer contacts 39 3 ...

Page 4: ...as density to air 2 0 Conversion 1 ppm 2 38 mg m 3 Boiling point 56 11 C Low explosive limit LEL vol in air 2 5 Upper explosive limit UEL vol in air 12 8 Odor Characteristic pungent smell Hazards Highly flammable Slightly toxic in normal use Irritant causing mild skin irritation and moderate to severe eye irritation At high vapor concentrations it may depress the CNS Exposure limits 8 hours 2000 3...

Page 5: ... 2 69 Conversion 1 ppm 3 19 mg m 3 Boiling point 80 C Low explosive limit LEL vol in air 1 2 Upper explosive limit UEL vol in air 7 8 Odor Hyacinth like odor Hazards Highly flammable Irritant Carcinogen May cause dizziness headache nausea staggering gait anorexia lassitude Target organs eyes skin respiratory system blood central nervous system bone marrow Exposure limits NIOSH REL Ca TWA 0 319 mg ...

Page 6: ...7 C Low explosive limit LEL vol in air 3 3 3 Upper explosive limit UEL vol in air 19 Odor The characteristic smell of alcohol Hazards Highly flammable Gas air mixtures are explosive Inhalation of vapors leads to cough headache fatigue and drowsiness High concentrations may damage the fetus Repeated high exposure may affect the liver and the nervous system Exposure limits according to Commission Di...

Page 7: ...88 Conversion 1 ppm 3 60 mg m 3 Boiling point 77 1 C Low explosive limit LEL vol in air 2 Upper explosive limit UEL vol in air 11 5 Odor Sweet pear smell Hazards Flammable Short term exposure to high levels of ethyl acetate results first in irritation of the eyes nose and throat followed by headache nausea vomiting sleepiness and unconsciousness Exposure limits NIOSH TWA 8 hours 1400 mg m 3 400 pp...

Page 8: ... 1 27 Upper explosive limit UEL vol in air 6 75 7 1 Odor Characteristic chemical smell Hazards Highly flammable Gas air mixtures are explosive Inhalation possible effects irritation eyes nose lassitude weakness exhaustion confusion euphoria dizziness headache dilated pupils lacrimation discharge of tears anxiety muscle fatigue insomnia paraesthesia dermatitis liver kidney damage Exposure limits ac...

Page 9: ...ated for 25 C and 1 atm 9 Chemical formula C 6 H 4 CH 3 2 Isomers ortho xylene meta xylene para xylene Molar weight 106 Conversion 1 ppm 4 34 mg m 3 Boiling point 144 4 C 139 C 138 35 C Low explosive limit LEL vol in air 0 9 1 1 Upper explosive limit UEL vol in air 6 0 7 0 Odor Characteristic chemical smell Hazards Flammable Inhaling can cause dizziness headache drowsiness and nausea Exposure limi...

Page 10: ...nce R L Us 2 V 22 mA for 4 20 mA R L 250 kOhm for 0 10 V mode Digital interface RS485 Modbus RTU protocol No galvanic isolation Power supply 11 30 VDC 24 VAC or 90 265 VAC as options Power consumption 2 VA Analog outputs 2 4 20 mA 0 10 V user settable Outputs assignment OUT1 gas OUT2 gas NOTE for LCD version only output 1 is available Output scale width 10 resolution Recommended 20 100 of the dete...

Page 11: ...fe indoor areas Non aggressive atmosphere Relay option Relay outputs 2 SPST relays closing contact 250 VAC 30 VDC 5 A max Alarm setpoints Determined by user within 5 95 of the detection range Signalling options Visual Red and green LED Acoustic alarm Buzzer 85 dB LCD indicator option Operating temperature 0 50 C Display dimensions 72 36 mm Number of digits 3 5 digit 7 segment Character height 14 m...

Page 12: ...power supply module LCD indicator Remote probe The version of your device is marked on the package If the symbol is marked on the equipment consult the documentation for further information Safety requirements Misuse will impair the protection of the product Always adhere to the safety provisions applicable in the country of use Do not perform any maintenance operation with the power on Do not let...

Page 13: ...erties of the space under investigation room geometry direction and velocity of airflows etc Solvent vapors are heavier than air so the gas detector transmitter should be placed near the floor or potential leakage or formation source The device should be accessible for maintenance and repair The aforementioned conditions above will affect the coverage area of the device however the coverage area f...

Page 14: ...E2638 PID Rev 10 03 2021 Mounting dimensions Front view Bottom view 14 ...

Page 15: ...d remove the old filter Place a new filter into the cap 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 as it may cause the device to show incorrect values and or break the sensor The recommended orientation of the sensor probe is vertical with the sensor tip pointing downwards This preve...

Page 16: ...wer supply and of the external devices Without turning on the power plug the power cable and connect the analog relay outputs and or digital interface terminals to the necessary devices according to the relevant connection diagram Version with PSU and relays Version with PSU and without relays Version without PSU and with relays Version without PSU and relays 16 ...

Page 17: ...ting to an external RS485 network Both analog outputs can be independently changed between 4 20 mA and 0 10 V type using jumpers J1 OUT1 and J2 OUT2 By closing pins on a specific jumper the related output is 0 10 V with an open jumper the output is 4 20 mA Power restart is required after changing the position of the jumpers NOTE The outputs are not galvanically isolated from the external power sup...

Page 18: ...he following table Make sure that the detector transmitter is properly mounted the external devices connected power LED green on and control LED red constantly lit Place the lid back and fix it with the screws The device is ready to use 18 Mode LED mode During calibration mode or sensor heating period if activated 0 5 Hz 50 on 50 off Relay 1 turned on Blinking 1 Hz 50 on 50 off Relay 2 turned on B...

Page 19: ...ns 1 The most common name for the VOC or other substances 2 CAS No You can find the VOC using the CAS No 3 Brutto formula 4 Ionization energy IE eV 5 Relative Response Correction Factor CF Also called the Response Factor RF Multiply the displayed concentration by the Relative Response CF RF to calculate the actual concentration of the VOC 6 Minimum Detection Level MDL Also called Minimum Detectabl...

Page 20: ... absorb UV light without causing any PID response e g methane ethane In ambient atmospheres where these gases are present the measured concentration of target gas will be less than is actually present Methane absorbs UV strongly so for accurate measurements in methane containing atmospheres calibrate with a calibration gas containing the expected methane concentration 50 of LEL methane reduces the...

Page 21: ... chloride 3 chloropropene C 3 H 5 Cl 107 05 1 10 05 4 5 20 450 18 Ammonia NH 3 7664 41 7 10 18 8 5 40 850 19 Amyl acetate C 7 H 14 O 2 628 63 7 9 9 1 8 10 180 20 Amyl alcohol C 5 H 12 O 71 41 0 10 2 6 15 320 21 Amyl alcohol tert C 5 H 12 O 75 85 4 9 8 1 5 22 Aniline C 6 H 7 N 62 53 3 7 7 0 5 3 50 23 Anisole C 7 H 8 O 100 66 3 8 21 0 59 2 50 24 Arsine AsH 3 7784 42 1 9 89 2 5 15 250 25 Asphalt petr...

Page 22: ...Cyclopentadiene C 5 H 6 542 92 7 8 56 0 8 Index Chemical name Alternative name Formula CAS no IE eV Response Factor RF 10 6 eV E2638 PID 40 ppb E2638 PID 200 ppb 52 Cyclopentane C 5 H 10 287 92 3 10 52 10 20 400 53 Cyclopentene C 5 H 8 142 29 0 9 01 1 5 54 Decane n C 10 H 22 124 18 5 9 65 1 2 5 100 55 Decanol C 10 H 22 O 112 30 1 1 2 56 Diethyl ether ethyl ether C 4 H 10 O 60 29 7 9 53 1 1 4 90 57...

Page 23: ...8 10 72 NR 84 Hydrogen H 2 1333 74 0 15 43 NR 85 Hydrogen bromide HBr 10035 10 6 11 62 NR 86 Hydrogen chloride HCl 7647 01 0 12 74 NR 87 Hydrogen cyanide HCN 74 90 8 13 6 NR 88 Hydrogen fluoride HF 7664 39 3 15 98 NR 89 Hydrogen iodide HI 10034 85 2 10 39 5 90 Hydrogen peroxide H 2 O 2 7722 84 1 10 58 4 20 400 Index Chemical name Alternative name Formula CAS no IE eV Response Factor RF 10 6 eV E26...

Page 24: ...5 H 10 O 2 503 74 2 10 2 5 5 150 Methane natural gas CH 4 74 82 8 12 51 NR 151 Methanol CH 4 O 67 56 1 10 85 NR 1000 20000 152 Methyl ethyl ketone MEK Butan 2 one C 4 H 8 O 78 93 3 9 51 0 96 4 80 153 Methyl ethyl ketone peroxides MEKP C 8 H 18 O 6 1338 23 4 9 0 8 4 80 154 Methyl formate C 2 H 4 O 2 107 31 3 10 82 NR 155 Methyl mercaptan CH 4 S 74 93 1 9 44 0 7 4 70 156 Methylamine CH 5 N 74 89 5 8...

Page 25: ...l C 8 H 18 O 111 87 5 9 8 1 5 179 Octene mixed isomers C 8 H 16 25377 83 7 9 4 0 7 180 Octene 1 C 8 H 16 111 66 0 9 43 0 7 3 70 181 Oxalic acid C 2 H 2 O 4 144 62 7 11 2 NR 182 Oxalyl bromide C 2 Br 2 O 2 15219 34 8 10 49 5 183 Oxydiethanol 2 2 diethylene glycol C 4 H 10 O 3 111 46 6 10 3 2 20 400 184 Oxygen O 2 7782 44 7 12 07 NR 185 Ozone O 3 10028 15 6 12 52 NR 186 Paraffins normal 64771 72 8 9...

Page 26: ...10 8 8 5 1 1 208 Propylbenzene all isomers C 9 H 12 74296 31 4 8 7 0 5 209 Propylene carbonate C 4 H 6 O 3 108 32 7 10 5 15 210 Propylene dinitrate C 3 H 6 N 2 O 6 6423 43 4 11 NR 211 Propylene glycol ethyl ether acetate PGEEA C 7 H 14 O 3 98516 30 4 9 6 1 2 212 Propylene oxide C 3 H 6 O 75 56 9 10 22 6 35 700 213 Propyleneimine 2 methylaziridine C 3 H 7 N 75 55 8 9 1 4 7 130 214 Propyl Nitrate n ...

Page 27: ... acid TFAA C 2 HO 2 F 3 76 05 1 11 46 NR 231 Trifluoroethane trifluoroethylene C 2 HF 3 359 11 5 10 14 5 232 Turpentine C 10 H 16 9005 90 7 8 5 0 6 233 Turpentine oil pinenes C 10 H 16 8006 64 2 8 0 6 3 60 234 Undecane C 11 H 24 1120 21 4 9 56 1 1 5 100 235 Vanillin C 8 H 8 O 3 121 33 5 9 1 236 Water dihydrogen monoxide H 2 O 7732 18 5 12 61 NR 237 Xenon Xe 7440 63 3 12 13 NR 238 Xylene mixed isom...

Page 28: ...rsh conditions perform calibration and maintenance more frequently PID needs maintenance if The baseline is climbing after you zero the PID replace the electrode stack The PID becomes sensitive to humidity replace electrode stack The PID cell shows signs of contamination after the lamp window has been cleaned replace the electrode stack The PID cell is known to have been subjected to severe contam...

Page 29: ...onto a clean surface 3 Locate the electrode stack removal tool into the two slots on the sides of the PID and squeeze together until the electrode stack and lamp are released 4 Carefully lift the PID body away from the pellet and lamp 5 Occasionally the lamp may be temporarily lodged in the cell and will need to be freed carefully with tweezers 6 Occasionally the small spring behind the lamp will ...

Page 30: ...ling Do not breathe in the powder Avoid contact with skin eyes and clothing Wear suitable protective clothing Follow industrial hygiene practices Wash face and hands thoroughly with soap and water after use and before eating drinking smoking or applying cosmetics The powder carries a TVL TWA limit of 10 mg m 3 PID lamp cleaning instructions 1 Open the container of the alumina polishing compound 2 ...

Page 31: ...g to hold the electrode stack between forefinger and thumb carefully insert the lamp into the recess in the sensor ensuring that the lamp remains in position Press the electrode stack firmly to ensure that the electrode stack wing clips are engaged and the top faces of the electrode stack and sensor house are flush 3 Refit the sensor into the sensing equipment 4 Recalibrate the gas detector Discar...

Page 32: ...3 10 Duct mount option stem Ø35 L230 mm E2638 PID DM Integrated 24 VAC power supply module E2638 PID 24VAC Integrated 90 265 V mains power supply module E2638 PID 230 Local LCD single value display 36 mm x 72 mm E2638 PID LCD Remote LCD single value display wall mount box 115 65 40mm 3 m cable E2638 PID RLCD3 Two SPST relays E2638 PID R Two LEDs visual alarm E2638 PID LED Buzzer acoustic alarm E26...

Page 33: ...exible setting of analog output scales for each output Output zero and slope adjustment for calibration Free assignment of each of two relays to the chosen parameter Several relay control logic modes Switch delays and minimum on off state durations for each relay The output scales can be changed by Modbus commands by using the configuration software and the standard configuration kit see Modbus RT...

Page 34: ...isters 06 Write a single register Parameter 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 multiple registers 06 Write a single register Error codes 01 Illegal function 02 Illegal data address 03 Illegal data value 04 Slave device failure details of last er...

Page 35: ...66 RW Zero adjustments for gas data ADC 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 units s 1 32000 0 no limit 0 0x00A8 168 40169 RW Integrating filter time constant s 1 32000 seconds 0 no filter 0 Address Reg MHR RW Description Supported values dec Default 0x00C9 201 40202 RW Parameter tied to analog output 1 ...

Page 36: ...214 40215 RW Forced state for relay RE2 0 off 1 on 0 0x00D7 215 40216 RW Switching delay for relay RE1 0 1000 s 0 0x00D8 216 40217 RW Switching delay for relay RE2 0 1000 s 0 0x00D9 217 40218 RW Minimal on off time for relay RE1 0 1000 s 0 0x00DA 218 40219 RW Minimal on off time for relay RE2 0 1000 s 0 Address Reg MHR RW Description Supported values dec Default 0x00DB 219 40220 RW Control logic f...

Page 37: ... 0 65535 gas units see Specifications 0x00FF 255 40256 RW Sensor analog outputs LED and buzzer status bit 0 0 1 sensor present absent RO bit 1 0 1 analog outputs deactivated activated bit 2 0 1 in case the sensor is absent turn signaling off on analog output1 bit 3 0 1 in case the sensor is absent turn on signaling with low current high current on analog output1 if bit 2 0 this bit will be ignored...

Page 38: ...activated bit 10 0 1 LED is on off in normal condition bit 11 0 1 1 Hz 50 on 50 off LED signal off on if relay1 turned on bit 12 0 1 2 Hz 50 on 50 off LED signal off on if relay2 turned on 0x0101 257 40258 R Raw gas sensor data 0 4095 ADC units 0x0103 259 40260 R Gas concentration gas units 0 65535 gas units 0x0105 261 40262 RW 0 value for analog output 1 32000 32000 gas units User defined 0x0106 ...

Page 39: ...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 Manufacturer or damaged by customer error or negligence or if there has been an unauthorized modification Manufacturer contacts Evikon MCI OÜ Teaduspargi 7 9 Tartu 50411 Estonia info evikon eu www evikon ...

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