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PluraSens

Ammonia Detector-Transmitter

E2608-NH3-E

User Manual

Содержание PluraSens E2608-NH3-E

Страница 1: ...PluraSens Ammonia Detector Transmitter E2608 NH3 E User Manual ...

Страница 2: ...8 Sensor probe handling 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 E2608 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 ...

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: ... consumption 2 VA 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 Analog outputs 2 4 20 mA 0 10 V user settable Outputs assignment OUT1 Gas OUT2 Gas Output scale width 10 resolution Recommended 20 100 of the detection range Relay outputs 2 SPST max 5 A 30 VDC 250 VAC Cable connections Screwless spring loaded ...

Страница 5: ...able sensitivity to hydrogen sulfide nitrogen dioxide 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 a constantly high concentration of ammonia like cattle and poultry farms Other options Remote probe Protection IP65 default cable length 3 0 m max height 80 mm max diameter 65 mm 5 ...

Страница 6: ... 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 objects inside the device Removal of the PCB from the enclosure voids the warranty Do not touch the electronic components directly as they are sensitive to static electricity Connection diagrams can be found in the electrical connections section The devi...

Страница 7: ...dius For early leakage detection install the sensor as close as possible to the potential leakage sources flanges valves pressure reducers pumps etc taking into consideration other points listed above For general area monitoring without definite leakage sources the detector transmitters should be distributed evenly in the room For personal safety control the detector transmitters are installed in ...

Страница 8: ...E2608 NH3 E Rev 27 07 2022 Mounting dimensions Wall mount version with mounting lugs Duct mount version 8 ...

Страница 9: ... sensor head cap and 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 d...

Страница 10: ...e connection diagram below connect the analog outputs and digital interface terminals to the relevant devices according to your tasks Version without PSU Version with PSU Jumpers J1 OUT1 type open 4 20 mA closed 0 10 V J2 OUT2 type open 4 20 mA closed 0 10 V X6 Reset Modbus network parameters to default X4 terminals OUT1 4 20 mA 0 10 V output OUT2 4 20 mA 0 10 V output 0V 0 V 24 VAC Neutral option...

Страница 11: ...k A and B on the device represent DATA and DATA respectively polarity must be respected when connecting 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...

Страница 12: ...E2608 NH3 E Rev 27 07 2022 Correct and incorrect cabling for 24 VAC 12 ...

Страница 13: ...ort on off pulses Normal operating measurement Continuously on or off Make sure that the detector transmitter is properly mounted the external devices connected power LED green on and the control LED red is constantly lit Place the lid back and fix it with the screws The device is ready to use Maintenance Do not perform any maintenance operation with the power on Clean the device with a soft damp ...

Страница 14: ...r flange for Remote probe option Fixing clamp for Remote probe option Order code for E2608 NH3 E options E2608 options Order code Remote probe 3 m cable E2608 NH3 E RP33 3 Remote probe 10 m cable E2608 NH3 E RP33 10 Duct mount option stem Ø35 L230 mm E2608 NH3 E DM Integrated 90 265 V mains power supply module E2608 NH3 E 230 Integrated 24 VAC power supply module E2608 NH3 E 24VAC Remote LCD singl...

Страница 15: ... parameter 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 configuration kit ...

Страница 16: ...iple 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 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 addr...

Страница 17: ... Description Supported values dec Default 0x00A5 165 40166 RW Zero adjustment 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 data units s 1 32000 0 no limit 0 0x00A8 168 40169 RW Integrating filter time constant s 1 32000 seconds 0 no filter 0 0x00C9 201 40202 RW Parameter tied to analog output 1 ...

Страница 18: ...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 19: ...naling 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 this bit will be ignored bit 6 0 1 current vol...

Страница 20: ...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 device will no...

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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