Evikon PluraSens E2670-NH3-P User Manual
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Evikon PluraSens E2670-NH3-P User Manual

Flameproof ammonia detector-transmitter
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PluraSens
Flameproof
Ammonia Detector-Transmitter
E2670-NH3-P
User Manual

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Summary of Contents for Evikon PluraSens E2670-NH3-P

  • Page 1 ® PluraSens Flameproof Ammonia Detector-Transmitter E2670-NH3-P User Manual...

  • Page 2: Table Of Contents

    E2670-NH3-P Rev 15.03.2023 Table of contents Ammonia Specifications Product description Safety requirements Operating conditions Installation guidelines Mounting dimensions Electrical connections Correct and incorrect cabling for 24 VAC Operation Maintenance Calibration Delivery set Order code for E2670-NH3-P options Configuring Return to default settings Modbus RTU Communication RS485 communication interface Communication parameters...

  • Page 3: Ammonia

    E2670-NH3-P Rev 15.03.2023 Ammonia A colorless gas, highly soluble in water, with a characteristic pungent smell. Ammonia is a large-scale production of the chemical industry widely used as a raw material for the production of fertilizers and explosives, as a refrigerant, as a cleaning and antimicrobial agent.

  • Page 4: Specifications

    E2670-NH3-P Rev 15.03.2023 Specifications Sensor type Pellistor (catalytic bead) Sampling method Diffusion Typical detection range 0...15%vol. (0...100%LEL NH3) Resolution / digital unit 0.1%vol. or 1%LEL Response time T90 < 10 s Sensor lifetime > 3 years Calibration interval 6 months Signal update Every 1 second 12...36 VDC (default),...
  • Page 5 E2670-NH3-P Rev 15.03.2023 Glands: ATEX / IECEx EESF 19 ATEX 023X II 2G Ex db IIC Gb II 2D Ex tb IIIC Db IP66 According to 2014/30/EU and 2014/34/EU, EN 61000-6-3:2020, EN 61326-1:2013 (EMC, Emissions) EN 61000-6-1:2019, EN 61000-6-2:2019, EN 61326-2-1:2013 (EMC, CE marking Immunity) EN 60079-0:2018, EN 60079-1:2014, EN 60079-31:2014,...

  • Page 6: Product Description

    E2670-NH3-P Rev 15.03.2023 Product description E2670 is a series of flameproof gas detectors-transmitters intended for operation in safe zones and ATEX Zones 2 and 22. E2670 series devices are based on the PluraSens® multifunctional platform and provide all its features. The instruments utilize gas sensors of various types with excellent repeatability, stability, and long lifetime.

  • Page 7: Operating Conditions

    E2670-NH3-P Rev 15.03.2023 Operating conditions The device should be used in a basic electromagnetic environment, where the latter is defined in EN 61326-1. Avoid strong mechanical shock and vibrations. Although E2670 series devices are suitable for use in the presence of flammable dust, special precautions should be taken when operating in a dusty environment.
  • Page 8 E2670-NH3-P Rev 15.03.2023 The device is fixed on the wall using two fixing holes located outside 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.

  • Page 9: Mounting Dimensions

    E2670-NH3-P Rev 15.03.2023 Mounting dimensions Mounting holes...

  • Page 10: Electrical Connections

    E2670-NH3-P Rev 15.03.2023 Electrical connections Unscrew lid from the device. Use the M20 cable gland to let in cables of the power supply 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.
  • Page 11 E2670-NH3-P Rev 15.03.2023 Jumpers OUT1 type (open: 4-20 mA; closed 0-10 V) OUT2 type (open: 4-20 mA; closed 0-10 V) Reset Modbus network parameters to default X4 terminals OUT1 4-20 mA / 0-10 V output OUT2 4-20 mA / 0-10 V output 0 V / 24 VAC Neutral (optional) RS485 A / Data + RS485 B / Data -...

  • Page 12: Correct And Incorrect Cabling For 24 Vac

    E2670-NH3-P Rev 15.03.2023 NOTE! The outputs are not galvanically isolated from the external power supply and share a common 0V. Allowed load resistance limits are stated in the Specifications table. To power the instrument from an external power source, connect terminals 0V and +U to the source.

  • Page 13: Operation

    E2670-NH3-P Rev 15.03.2023 Operation Turn on the power. The instrument warm-up time takes about 1 minute after switching on and the final sensor stabilization time to maximum accuracy takes about 30 minutes, but depending on the sensor type, it can take up to several hours. The operating status is indicated by the LED on the PCB of the device.

  • Page 14: Delivery Set

    E2670-NH3-P Rev 15.03.2023 Delivery set ● Detector-transmitter E2670 Mounting accessories: ● 2 screws with plastic dowels ○ Order code for E2670-NH3-P options E2670 options Order code Integrated 90...265 V mains power supply module E2670-NH3-P-230 Integrated 24 VAC power supply module E2670-NH3-P-24VAC Two SPST relays E2670-NH3-P-R...

  • Page 15: Configuring

    E2670-NH3-P Rev 15.03.2023 Configuring A standard configuration kit includes a USB-RS485 converter, fixed flow regulator, gas tubing with applicators, and a software pack. Please contact your Seller for more information. Detectors-transmitters E2670 share all functionalities of the PluraSens® multifunctional platform. The features and options include: Digital output change rate-limiting filter ●...

  • Page 16: Modbus Rtu Communication

    E2670-NH3-P Rev 15.03.2023 Modbus RTU Communication RS485 communication interface Databits: 8 Supported Modbus functions: Parity: none / odd / even 03 – Read multiple registers Stop bits: 1 or 2 06 – Write a single register Protocol: Modbus RTU Communication parameters Parameter Permitted values Default...
  • Page 17 E2670-NH3-P Rev 15.03.2023 0x0006 6 / 40007 RW Response delay, ms 1...255 1 – No parity bit, 1 stop bit (default after factory reset) 2 – No parity bit, 2 stop bits 3 – Odd parity, 1 stop bit 0x0007 7 / 40008 RW Stop bits, parity bit * 4 –...
  • Page 18 E2670-NH3-P Rev 15.03.2023 0 – none 2 – gas concentration 212 / Parameter tied to relay 0x00D4 9- – control by Modbus 40213 control, state set in MHR / 40215 213 / Forced state for relay 0x00D5 0 –off, 1 – on 40214 RE1*** Forced state for relay...
  • Page 19 E2670-NH3-P Rev 15.03.2023 221 / LOW setpoint for relay 0x00DD 0...65535 (gas units) 40222 Specifications 222 / HIGH setpoint for relay 0x00DE 0...65535 (gas units) 40223 Specifications 223 / LOW setpoint for relay 0x00DF 0...65535 (gas units) 40224 Specifications 224 / HIGH setpoint for relay 0x00E0 0...65535 (gas units)
  • Page 20 E2670-NH3-P Rev 15.03.2023 257 / 0x0101 Raw gas sensor data 0...4095, ADC units 40258 259 / Gas concentration, signed integer, 0x0103 40260 gas units -32000...+32000 (gas units) 261 / 0% value User 0x0105 -32000...+32000 gas units 40262 for analog output 1 defined 262 / 100% value...

  • Page 21: Warranty

    Manufacturer or damaged by customer error or negligence or if there has been an unauthorized modification. Manufacturer contacts Evikon MCI OÜ Teaduspargi 9, Tartu 50411 Estonia info@evikon.eu...

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