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Evikon PluraSens E2648-NH3-E User Manual

Ammonia detector-transmitter
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PluraSens
Ammonia Detector-Transmitter
E2648-NH3-E
User Manual

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Summary of Contents for Evikon PluraSens E2648-NH3-E

  • Page 1 ® PluraSens Ammonia Detector-Transmitter E2648-NH3-E User Manual...

  • Page 2: Table Of Contents

    E2648-NH3-E Rev 22.06.2021 Table of contents Ammonia Specifications Product description Safety requirements Operating conditions Installation guidelines Mounting dimensions Sensor probe handling Gas sensor replacement procedures Electrical connections Correct and incorrect cabling for 24 VAC Operation Maintenance Calibration Delivery set Order code for E2648-NH3-E options Configuring Return to default settings Modbus RTU Communication...

  • Page 3: Ammonia

    E2648-NH3-E Rev 22.06.2021 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

    E2648-NH3-E Rev 22.06.2021 Specifications Sensor type Electrochemical cell Sampling method Diffusion Typical detection range 0...100 ppm 0...300 ppm 0...1000 ppm Maximum overload 200 ppm 500 ppm 1500 ppm Resolution / digital unit 1 ppm 1 ppm 1 ppm Response time T90 <...
  • Page 5 E2648-NH3-E Rev 22.06.2021 -40...50 °C, 15...90% RH non-condensing, 0,9...1,1 atm Explosion-safe areas, non-aggressive atmosphere NOTE! The sensor may exhibit considerable sensitivity to hydrogen Operating conditions sulfide and sulfur dioxide NOTE! The device is intended for the control of eventual leakages (e.g. in refrigeration systems).

  • Page 6: Product Description

    E2648-NH3-E Rev 22.06.2021 Product description E2648 series heavy duty detectors-transmitters belong to the PluraSens® family of multifunctional measurement instruments. The instruments utilize gas sensors of various types with excellent repeatability, stability, and long lifetime. Due to its IP66 enclosure of die-cast aluminum, the device may be used under harsh conditions.

  • Page 7: Operating Conditions

    E2648-NH3-E Rev 22.06.2021 Operating conditions The device should be used both in a non-hazardous area and in a basic electromagnetic environment, where the latter is defined in EN 61326-1. Avoid strong mechanical shock and vibrations. Avoid corrosive atmosphere and areas highly contaminated with dust, oil mist, etc.

  • Page 8: Mounting Dimensions

    E2648-NH3-E Rev 22.06.2021 Mounting dimensions Front view Bottom view...

  • Page 9: Sensor Probe Handling

    E2648-NH3-E Rev 22.06.2021 Sensor probe handling The E2648 series devices are available with a remote probe. The remote probe is connected to the main unit with a shielded cable. The default remote probe cable length is 3 m. Wall mount remote probe with fixing clamp (default version), Remote probe with rubber flange and three self-tapping screws (on request) The sensor probes of all types are equipped with a hydrophobic microporous PTFE filter to protect the sensor from dust, dirt, and water drops.

  • Page 10: Electrical Connections

    E2648-NH3-E Rev 22.06.2021 Electrical connections Unscrew four lid screws and detach the lid from the device. Use the M16 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.
  • Page 11 E2648-NH3-E Rev 22.06.2021 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

    E2648-NH3-E Rev 22.06.2021 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

    E2648-NH3-E Rev 22.06.2021 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. The operating status is indicated by the LED on the PCB of the device. The control LED (red) response to different processes is presented in the following table: Mode LED mode...

  • Page 14: Delivery Set

    E2648-NH3-E Rev 22.06.2021 Delivery set ● Detector-transmitter E2648 Mounting accessories: ● 2 screws with plastic dowels ○ Fixing clamp 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...

  • Page 15: Configuring

    E2648-NH3-E Rev 22.06.2021 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 E2648 share all functionalities of the PluraSens® multifunctional platform.

  • Page 16: Modbus Rtu Communication

    E2648-NH3-E Rev 22.06.2021 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 E2648-NH3-E Rev 22.06.2021 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 E2648-NH3-E Rev 22.06.2021 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 E2648-NH3-E Rev 22.06.2021 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 E2648-NH3-E Rev 22.06.2021 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 7/9, Tartu 50411 Estonia info@evikon.eu...

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