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E2648-NH3-E

Rev 22.06.2021

Mounting dimensions

Front view

Bottom view

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Содержание PluraSens E2648-NH3-E

Страница 1: ...PluraSens Ammonia Detector Transmitter E2648 NH3 E User Manual ...

Страница 2: ...ng 9 Gas sensor replacement procedures 9 Electrical connections 10 Correct and incorrect cabling for 24 VAC 12 Operation 13 Maintenance 13 Calibration 13 Delivery set 14 Order code for E2648 NH3 E options 14 Configuring 15 Return to default settings 15 Modbus RTU Communication 16 RS485 communication interface 16 Communication parameters 16 Modbus holding registers 16 Warranty 21 Manufacturer conta...

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: ...dbus RTU protocol No galvanic isolation Cable connections Screwless spring loaded terminal Power supply 11 30 VDC default 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 Outputs scale 10 resolution Recommended 20 100 of the detection range Enclosure Die cast aluminum wall mount protection class IP66 Dimension...

Страница 5: ... the control of eventual leakages e g in refrigeration systems Do not use the device in areas with constantly high concentrations of ammonia like cattle and poultry farms Relay option Output relays 2 SPST relays closing contact 250 VAC 30 VDC 5 A max Default alarm setpoints set release LOW 25 20 ppm HIGH 35 28 ppm Defined by user within 5 95 of the range Other options Remote probe Protection IP65 ...

Страница 6: ... VAC or 230 VAC as options for power supply module Remote probe 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 ...

Страница 7: ...a is lighter than air so the sensor should be placed higher than the 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 for a transmitter is usually between 2 5 to 5 meters radius For early leakage detection install the sensor as close as possible ...

Страница 8: ...E2648 NH3 E Rev 22 06 2021 Mounting dimensions Front view Bottom view 8 ...

Страница 9: ...he 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 prevents the po...

Страница 10: ...pply and of the external devices Attach the power cable to the device without turning it on Using the connection diagram below connect the analog outputs and digital interface terminals to the relevant devices according to your tasks Version with PSU and relays Version with PSU and without relays Version without PSU and with relays Version without PSU and relays 10 ...

Страница 11: ... a wide range of wires with a cross section of 0 2 1 5 mm2 We recommend striping the wire end by 8 9 mm and using 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 12: ...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 12 ...

Страница 13: ... Continuously on or off Make sure that the transmitter is properly mounted the external devices connected the power LED green on and the control LED red is constantly lit Make certain that the cable glands are properly tightened to ensure the conformity to IP66 protection class Place the lid back and fix it with the screws The device is ready to use Maintenance Do not perform any maintenance opera...

Страница 14: ...lamp for remote probe versions Order code for E2648 NH3 E options E2648 options Order code Remote probe 3 m cable E2648 NH3 E RP33 3 Remote probe 10 m cable E2648 NH3 E RP33 10 Integrated 90 265 V mains power supply module E2648 NH3 E 230 Integrated 24 VAC power supply module E2648 NH3 E 24VAC Two SPST relays E2648 NH3 E R 14 ...

Страница 15: ...meter Flexible 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 kit see Modbus RTU Comm...

Страница 16: ...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 17: ... 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 Modbus control value set in MHR 40204 2 0x00CA 202 40203 RW Para...

Страница 18: ...E2 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 within the range 4 relay on for the values out of the range 0 0x00DC ...

Страница 19: ...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 current high current on analog output2 if bit 4 0 thi...

Страница 20: ... 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 shall be the only Modbus instrument in the network The devic...

Страница 21: ... 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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