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Atest Gaz ReAct 4 User Manual

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User Manual
Gas Detector
ReAct 4
Product code: PW-093-RA4-X
POD-065-ENG R05

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  • Page 1 User Manual Gas Detector ReAct 4 Product code: PW-093-RA4-X POD-065-ENG R05...
  • Page 2 We design, manufacture, implement and support: Systems for Monitoring, Detection and Reduction of gas hazards We invite you to familiarize yourself with our offer on www.atestgaz.pl Atest Gaz A. M. Pachole sp. j. ul. Spokojna 3, 44-109 Gliwice Poland tel.: +48 32 238 87 94 fax: +48 32 234 92 71 e-mail: contact@atestgaz.pl...

  • Page 3: Table 1: Optical Indicators Status Notation

    www.atestgaz.pl Remarks and reservations Read and understand this manual prior to connection and operation of the device. Keep the User Manual with the device for future reference. The manufacturer shall not be held responsible for any errors, damage or defects caused by improper selection of suitable devices or cables, errors in installation of equipment or any misuse due to failure to understand the document content.

  • Page 4: Table Of Contents

    www.atestgaz.pl Table of contents 1 Preliminary information..........................6 1.1 Functional properties..........................6 1.2 Marking of explosion protection......................7 1.3 Additional information related to the explosion-proof protection of the device........7 1.4 Cable glands and blanking plugs......................7 1.5 Cables..............................8 1.6 Blanking enclosure..........................8 1.7 The principle of operation........................8 1.8 Gas detector status..........................8 1.9 Detected gases............................9 1.10 Output signal............................9...
  • Page 5 www.atestgaz.pl List of Tables Table 1: Optical indicators status notation....................3 Table 2: Meaning of information provided on the rating plate..............7 Table 3: Gas detector status........................9 Table 4: Connections diagram for the option with the RS-485 port............12 Table 5: Connections diagram for the option with Teta Bus port...............13 Table 6: Constant output signals........................14 Table 7: Intervals of the output current according to the detector status..........14 Table 8: Operation modes of gas detectors with the Bluetooth interface..........15...

  • Page 6: Preliminary Information

    Preliminary information The ReAct 4 Gas Detector is a device designed as a components of the Gas Safety System dedicated for operation in areas with potentially explosive atmospheres and under heavy-duty industrial conditions with broad range of ambient parameters variations (high temperatures, corrosive gases, moisture and dust). The key feature of the device, indispensable to guarantee safe and unproblematic operation is its conformity to requirements of the ATEX EU Directive.

  • Page 7: Marking Of Explosion Protection

    www.atestgaz.pl Electronic compensation of the influence of ambient temperature. Self-diagnosis function. Storing, in the memory of the gas detector such parameters as: substance CAS number, location name, serial number, the intervals between mandatory calibrations, etc. Marking of explosion protection Figure 2: Information on the rating plate of the device Description Ex code for the device Information about temperature class...

  • Page 8: Cables

    www.atestgaz.pl remove the gland/blanking plug from device (if it is screwed in), apply small amount of technical vaseline on the thread of the gland/blanking plug, screw in a new gland/blanking plug. Cables Thermal resistance of cables must comply requirements set forth in Table 11. Blanking enclosure When there is a need to displace a flameproof enclosure (e.g.

  • Page 9: Detected Gases

    Information about detectors measurement parameters configuration can be found in document Measurement parameters configuration document (DOK-6073-ENG). Information about sensors properties can be found in User Manual – Sensors used in gas detectors produced by Atest Gaz (POD-062-ENG). 1.10 Output signal RS-485 –...

  • Page 10: Conditions Of The Working Environment

    – see User Manual – Sensors used in gas detectors produced by Atest Gaz (POD-062-ENG), • masking effect – a reaction of the sensor to the working gas can be reduced in the presence of other interfering gases (e.g.

  • Page 11: Description Of The Construction

    www.atestgaz.pl vibrations – may reduce the explosion protection, therefore, in case of such a situation, it is necessary to include appropriate recommendations for more frequent inspections in the project documentation. Description of the construction ~170 Earth clamp 127 (spacing of mounting holes) Cable gland Locking screw Bushing...

  • Page 12: Input-Output Interfaces

    www.atestgaz.pl Figure 5: The construction of the device and its dimensions (E=PES) Input-output interfaces Electric interface Assignment of contacts on the terminal block depends on the device configuration (see details in Section 10). All possible options of the terminal block layouts are shown on illustrations below. 4.1.1 RS-485 digital communication port Figure 6: Electric connections for the option with the RS-485 port...

  • Page 13: Rs-485

    www.atestgaz.pl 4.1.2 Teta Bus digital communication port Figure 7: Electric connections for the option with the Teta Bus port Port designation Name Description TETA BUS -, + Combined transmission and power supply lines 4-20 4 – 20 mA current output R1.1 –...

  • Page 14: Relay Outputs

    www.atestgaz.pl Maximum limits for U and R are provided in Table 11. More configuration details – see Section 6.4.1. 4.3.2 Operation modes – status details The level of output current is in proportion to the gas concentration measured by the detector (constant output signal).

  • Page 15: Bluetooth Wireless Interface (Wi=Bt)

    www.atestgaz.pl Bluetooth wireless interface (WI=BT) Wireless interface enables the operator to control gas detectors from remote locations by means of dedicated software (see details in Section 6.4). The Bluetooth interface behavior depends on the operation mode selected for the Bluetooth port upon configuration and presence of a permanent magnet.

  • Page 16: Life Cycle

    www.atestgaz.pl Life cycle Transportation The device can be shipped in the same way as new equipment of that type. If the original package or another protecting means (e.g. corks) is unavailable the conveyed equipment must be secured against shocks, vibrations or moisture by means of adequate methods and material at the own responsibility of the sender.
  • Page 17 www.atestgaz.pl 6.2.2 Mechanical mounting of detectors Detectors must be mounted on a flat, vertical wall in the orientation shown in Figure 3 (with the detection element down). For version E=ALB, ALZ, C, SS – with the use of two expansion plugs or M5 screws. For version E=PES –...

  • Page 18: Figure 10: Grounding Connection And Correct Cable Laying (E=Alb, Alz, C, Ss)

    www.atestgaz.pl Ground connection should be protected from corrosion (e. g. a small amount of technical petroleum jelly). Figure 10: Grounding connection and correct cable laying (E=ALB, ALZ, C, SS) The cable shield shall be isolated and slightly protrude from the cable entry inside the detector. The shield cannot be connected to any device point.

  • Page 19: Commissioning

    www.atestgaz.pl Incorrect cable routing can lead to reducing the device's immunity from electromagnetic interference. Unused screw terminals must be tightened home. Commissioning Before power up make sure that all parts are tightly screwed (cable glands, blinding plugs and the detector lid).

  • Page 20: Troubleshooting

    www.atestgaz.pl 6.4.1 Configuration of the current source The detector is furnished with a source of electric current. Depending on needs the source can be configured as a SOURCE or a SINK – see Section 4.3.1. Configuration by installing a jumper – see table below. Setting of jumpers Operation mode SOURCE of electric current (default setting)
  • Page 21 Gas detectors manufactured by Atest Gaz are classified to the A category of instruments (see Appendix [8]) with respect to environments conditions for calibration.
  • Page 22 www.atestgaz.pl supply the calibration gas • baseline (zero-air) gas (e.g. synthetic air or nitrogen), • calibration (reference) gas (composition of reference gas depends on the gas to be detected and the detector range) to individual detectors one after another. Indications of the detectors are automatically recorded by the supervising computer, check and analyse the data acquired, apply a correction factor to each detector, switch the calibration mode off.

  • Page 23: Utilization

    Gas detectors ReAct 4 are designed for operation in areas with potentially explosive atmospheres. Thus, its explosion-proof properties must be verified and maintained on regular basis in the following way: checking of the cable gland with verification of its sound installation and lack of damage.

  • Page 24: Technical Specification

    www.atestgaz.pl Technical specification Power supply • Voltage V 15 – 50 V • Power 0.48 – 4 W Environment In operation Storage • Ambient temperatures Ta Specified depending on: 0 – 40 • the temperature class of the device (see ATEX below), •...

  • Page 25: List Of Consumables

    Table 12: Power consumption List of consumables Consumables Lifetime Manufacturer Product code Shield for reactive gases Depends on ambient conditions Atest Gaz PWS-028 Sensor with gasket Depends on the sensor type Table 13: List of consumables List of accessories Product code Description...

  • Page 26: Product Marking

    Product marking ReAct 4 Gas Detector PW-093-RA4- AI WI MC elected by the manufacturer depending on the chosen – field value does not Converter module matter when ordering the product (when ordering, please specify X, available EC options show the used sensor type – see DOK-6073-ENG) Gas detector operating temperature with display can also be narrowed due to Ta temperature limits due to Atex certificate –...

  • Page 27: Appendices

    Appendices DEZG139-ENG – EC Declaration of Conformity – ReAct 4 PU-Z-113-ENG – Register map of gas detectors of PW-017, PW-044 and PW-093 type PU-Z-073-ENG – The user interface and failure codes of Gas Detectors of PW-017, PW-044 and PW-093 type PU-Z-074-ENG –...
  • Page 28 EU Declaration of Conformity Atest Gaz A. M. Pachole sp. j. declares with full responsibility, that the product: (Product description) (Trade name) (Type identifier or Product code) Gas Detector ReAct 4 PW-093 complies with the following Directives and Standards: in relation to Directive 2014/34/EU –...
  • Page 29 Test Test mode Warm_Up Sensor warm-up 11..15 Inessential data, can take any value Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p. 1/1 Appendix: PU-Z-113-ENG R01 ul. Spokojna 3, 44-109 Gliwice, Poland fax: +48 32 234 92 71 VAT No.: PL 9691433231...
  • Page 30 – red Gas overload The display has light-sensitive area, which ensures appropriate backlit of the display during operation in an unlit room. Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p. 1/5 Appendix: PU-Z-073-ENG R05 ul.
  • Page 31 The display shows LOCK information. Display description contains sample content. The state occurs only in case of detectors with a catalytic sensor. The lock mechanism is active. Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p.
  • Page 32 0,0 ppm turned off. AWK2100H The display shows AWK2100H message. Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p. 3/5 Appendix: PU-Z-073-ENG R05 ul. Spokojna 3, 44-109 Gliwice, Poland fax: +48 32 234 92 71 VAT No.: PL 9691433231...
  • Page 33 Description Sensor lock – sensor off, the last measurement latched Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p. 4/5 Appendix: PU-Z-073-ENG R05 ul. Spokojna 3, 44-109 Gliwice, Poland fax: +48 32 234 92 71 VAT No.: PL 9691433231...
  • Page 34 Bluetooth module is failure bit 13 calibration time is exceeded bit 14 digital amplifier operation monitor warning Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p. 5/5 Appendix: PU-Z-073-ENG R05 ul. Spokojna 3, 44-109 Gliwice, Poland fax: +48 32 234 92 71 VAT No.: PL 9691433231...
  • Page 35 www.atestgaz.pl Example of connection cables for gas detector PW-017 and PW-044 with 4-20 mA output Introduction It is recommended that all system components are made according to the design created by person with the necessary skills and competence. Connection cable In case where project does not specify this, you can use the following types of shielded cables for connecting gas detectors: An example of a cable symbol...
  • Page 36 www.atestgaz.pl Example of connection cables for gas detector PW-017 and PW-044 with relay output Introduction It is recommended that all system components are made according to the design created by person with the necessary skills and competence. Connection cable In case where project does not specify this, you can use the following types of shielded cables for connecting gas detectors: An example of a cable symbol Approximate external...
  • Page 37 www.atestgaz.pl Guidelines to the cabling of the system with an RS-485 interface Introductory It is recommended that all system components are made according to the design created by person with the necessary skills and competence. Connection cable The data transmission line for the gas detectors working in the RS-485 standard should be performed only with the use of a shielded twisted pair cable.
  • Page 38 www.atestgaz.pl Power supply of the gas detector As a standard, in gas detectors with digital data transmission, it is assumed that the voltage cannot drop below 12 V (see the documentation of the detector). The power consumption of the detector is constant within the range of acceptable voltages.
  • Page 39 For the systems with RS-485 interface, it is necessary to make sure that A and B transmission signals as well as + and – power supply were led with the use of the cables which belong to one pair. Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p.
  • Page 40 It is unacceptable to leave a reserve inside the detector. Atest Gaz A. M. Pachole sp. j. tel.: +48 32 238 87 94 p.
  • Page 41 www.atestgaz.pl Classification of chemicals used at Atest-Gaz Because of the need to present a consistent and high level of maintenance services, to ensure the safety of the calibration process and to create a basis for a rational calculation of the costs of this process, Atest-Gaz developed the "Classification of Chemical Substances"...
  • Page 42 www.atestgaz.pl Category Description Terms of facility calibration No precipitations, no strong winds, Cylinder gases, temperature over – 10 C¹. stable environment In other cases, calibration at a location that meets the above conditions (necessary to remove the detectors). No precipitations, no strong winds, Cylinder gases, temperature over + 10...
  • Page 44 Atest Gaz A. M. Pachole sp. j. Spokojna 3, 44-109 Gliwice tel.: +48 32 238 87 94 fax: +48 32 234 92 71 e-mail: contact@atestgaz.pl For more details on our devices and other products and services offered by us, visit:...

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