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PluraSens

Ammonia Detector-Transmitter

E2658-NH3-E

User Manual

Содержание PluraSens E2658-NH3-E

Страница 1: ...PluraSens Ammonia Detector Transmitter E2658 NH3 E User Manual ...

Страница 2: ...g 10 Gas sensor replacement procedures 10 Electrical connections 11 Correct and incorrect cabling for 24 VAC 13 Operation 14 Maintenance 14 Calibration 14 Delivery set 15 Order code for E2658 NH3 E options 15 Configuring 16 Return to default settings 16 Modbus RTU Communication 17 RS485 communication interface 17 Communication parameters 17 Modbus holding registers 17 Warranty 22 Manufacturer cont...

Страница 3: ...hemical formula NH3 Molar weight 17 Relative gas density to air 0 59 Conversion 1 ppm 0 70 mg m3 Boiling point 33 3 C Low explosive limit LEL vol in air 15 Upper explosive limit UEL vol in air 28 Odor Characteristic pungent smell Odor detection threshold 0 04 ppm 57 ppm according to different studies Hazards Ammonia is irritant to the skin eyes and respiratory tract Ammonia inhalation causes breat...

Страница 4: ... assignment OUT1 2 gas OUT2 2 gas Output scale width 10 resolution Recommended 20 100 of the detection range Load resistance RL Us 2 V 22 mA for 4 20 mA RL 250 kOhm for 0 10 V mode Digital interface RS485 Modbus RTU protocol No galvanic isolation Cable connections Screwless spring loaded terminals Enclosure Grey die cast aluminium wall mount IP66 Cable gland M25 for SWA cable or steel conduit Ø10 ...

Страница 5: ...ng 0 9 1 1 atm Explosion safe zones and ATEX Zones 2 and 22 Non aggressive atmosphere NOTE The sensor may exhibit considerable sensitivity to hydrogen sulfide and sulfur dioxide NOTE The device is intended for the control of eventual leakages e g in refrigeration systems Do not use the device in areas with constantly high concentration of ammonia Relay option Output relays 2 SPST relays closing co...

Страница 6: ...ions for power supply The version of your detector 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 water or foreign objec...

Страница 7: ...so recommended for further instructions and related information about the installation During the installation of the detector transmitter the following points must be considered Application air quality control or leakage detection Properties of the space under investigation room geometry direction and velocity of airflows etc Ammonia is lighter than air so the sensor should be placed higher than ...

Страница 8: ...e the sealed area of the device see dimensional drawing Unscrew four lid screws and detach the lid from the detector Fix the detector on the wall and earth the enclosure using an earthing terminal on the side of the device NOTE Never perform installation or maintenance in an explosive atmosphere 8 ...

Страница 9: ...E2658 NH3 E Rev 29 06 2021 Mounting dimensions Front view Bottom view 9 ...

Страница 10: ...d 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 prevents the possible accumulation of condensed water on the sensor protection filter Gas sensor replacement procedures 1 Remove the sensor head cap from the de...

Страница 11: ...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 11 ...

Страница 12: ...r a wide range of wires with cross section 0 5 1 5 mm2 We recommend striping the wire end by 8 9 mm and using the wire end sleeves To connect the wire insert the wire end into the terminal hole To disconnect push the spring loaded terminal lever pull the wire out and release the lever Use a twisted pair cable e g LiYY TP 2 2 0 5 mm2 or CAT 5 to connect the device to the RS485 network A and B on th...

Страница 13: ...the Specifications table To power the instrument from an external power source connect terminals 0V and U to the source If the integrated mains power supply module is used connect terminals L and N to the mains NOTE Actuator short circuits should be avoided to protect the instrument relays using external fuses or safety switches Correct and incorrect cabling for 24 VAC 13 ...

Страница 14: ... is properly mounted the external devices connected the power LED green on and the control LED red is constantly lit Place the lid back and fix it with the screws Make certain that the cable gland and the screws fixing the front lid are properly tightened to ensure the conformity to IP66 protection class and ATEX requirements Make certain that the device is properly earthed The device is ready to ...

Страница 15: ...658 Mounting accessories 2 screws with plastic dowels Order code for E2658 NH3 E options E2658 options Order code Integrated 90 265 V mains power supply module E2658 NH3 E 230 Integrated 24 VAC power supply module E2658 NH3 E 24VAC Two SPST relays E2658 NH3 E R 15 ...

Страница 16: ...lexible 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 R...

Страница 17: ...gister Error codes 01 Illegal function 02 Illegal data address 03 Illegal data value 04 Slave device failure details of last error 04 can be read from register 0x0008 Modbus holding registers Register addresses are shown 0 based Address in hexadecimal Reg in decimal format Modbus holding register numbers MHR are shown in the decimal 1 based format and may be addressed either from 00001 or 40001 ba...

Страница 18: ...32000 32000 ADC units 0 0x00A6 166 40167 RW Slope adjustment for gas data 1 65535 512 0x00A7 167 40168 RW The 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 0 None 2 Gas concentration 9 Forced ...

Страница 19: ...y 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 for relay RE1 0 none 1 relay on at high values 2 relay on at low values 3 relay on at values withi...

Страница 20: ...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 bit 4 0 1 in case of sensor absent turn signaling off on analog output2 bit 5 0 1 in case of sensor absent turn on signaling with low...

Страница 21: ...W 100 value for analog output 1 32000 32000 gas units User defined 0x0107 263 40264 RW 0 value for analog output 2 32000 32000 gas units User defined 0x0108 264 40265 RW 100 value for analog output 2 32000 32000 gas units User defined The new value is applied after restart Broadcast slave ID 0 can be used to assign a new ID to the instrument with an unknown ID When addressing by ID 0 the device sh...

Страница 22: ... 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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