Bartec APEXpy 07-37A2-2111/ 520Series Operating Instructions Manual
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Bartec APEXpy 07-37A2-2111/ 520Series Operating Instructions Manual

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Summary of Contents for Bartec APEXpy 07-37A2-2111/ 520Series

  • Page 1 Manual Ex p Control Unit APEX...
  • Page 2 Ex p Control unit APEX , Type 07-37A2-2111/*520 Stainless steel version ATEX / IECEx Zone 1 / 21 Document number: 01-37A2-7D0006 Revision: a Order code: 452086 BARTEC GmbH Phone: +49 7931 597-0 Support: info@bartec.de Max-Eyth-Straße 16 Fax: +49 7931 597-480 Internet: www.bartec.de...
  • Page 3 Page 2 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Rev. 0...

  • Page 4: Table Of Contents

    Ex p Control unit Table of contents APEX 0 Table of contents Table of contents ......................3 About these operating instructions ................7 Highlighting in the document ..................8 Warnings ........................8 Symbols and icons ......................9 Technical changes ......................9 Languages ........................
  • Page 5 Ex p Control unit Table of contents APEX Product description ....................19 General information ..................... 19 Ex p control units APEX ....................19 APEX design, type 07-37A2-2111/*520 ................. 20 Accessories ........................21 Valve fuse ........................21 Pressure monitor ......................21 Purge gas valve ......................
  • Page 6 Ex p Control unit Table of contents APEX Operation ......................... 53 WEB interface ......................53 Adjusting the LAN connection ..................53 Operation of the WEB interface ..................55 Logging onto the WEB interface ..................55 Navigation in the WEB interface ................... 55 Input of parameters......................
  • Page 7 Ex p Control unit Table of contents APEX Maintenance and care ....................84 Types of purging gas ..................... 84 Maintenance work ......................84 Maintenance intervals ....................84 Visual inspection ......................85 Cleaning ........................85 Regular maintenance ....................85 Repairs ......................... 85 Faults and troubleshooting ..................

  • Page 8: About These Operating Instructions

     Should you require further information, please request the required information from your local or responsible BARTEC branch. Read the operating instructions and in particular the safety instructions carefully before using the device.

  • Page 9: Highlighting In The Document

    Ex p Control unit About these operating instructions APEX Highlighting in the document Warnings Warnings are used in this user manual to warn of property damage and personal injury.  Always read and follow these warnings. Warnings are specially highlighted in this user manual and identified by symbols: DANGER DANGER indicates a hazardous situation which, if safety measures are not observed, may result in death or serious injuries with permanent damage.

  • Page 10: Symbols And Icons

    The original user manual is written in German. All other available languages are translations of the original user manual. The user manual is available in German and English. If further languages are required, these must be requested from BARTEC or stated when placing the order. Rev. 0 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx...

  • Page 11: Safety

    Ex p Control unit Safety APEX 2 Safety Intended use Exclusive purpose The Ex p control unit APEX serves exclusively as a controlling and monitoring device for pressurized enclosures and is intended for use in explosion group II, category 2GD (EPL Gb and EPL Db) and temperature class T4 or T5 or for use in dusty environments with surface temperatures of T95 °C or T130 °C.

  • Page 12: Warranty

    Ex p Control unit Safety APEX Warranty WARNING UNAUTHORISED MODIFICATIONS AND/OR ALTERATIONS TO THE CONTROL SYSTEM. Explosion protection as well as design and manufacture in line with strain and safety requirements are no longer guaranteed.  Before making any modifications or alterations, contact the manufacturer to obtain written approval.

  • Page 13: Safety Instructions

    Please observe the national waste disposal regulations for disposal. Servicing Regular servicing is not necessary if the device is operated correctly in accordance with the installation instructions and ambient conditions. BARTEC recommends annual servicing and inspection. See Chapter “Maintenance and care”. Page 12 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx...

  • Page 14: Avoidance Of Damage To Property

    Ex p Control unit Safety APEX Repairs Only authorized persons working in accordance with the latest development in technology and using original spare parts may do repairs on explosion-protected equipment. The applicable provisions must be observed. Repairs must be carried out in accordance with EN / IEC 60079-19 / ГОСТ...

  • Page 15: Aggressive Cleaning Agents

    Ex p Control unit Safety APEX Aggressive cleaning agents When selecting the correct cleaning agent, it is essential that it is suitable for use since otherwise damage may occur to seals and connections. Combustible products are generally not permitted. Danger to health due to improper disposal According to the European WEEE Directive, electrical and electronic equipment may not be disposed of with household waste.

  • Page 16: Marking And Test Certificate

    Ex p Control unit Safety APEX Marking and test certificate The Ex p control unit is approved for the following areas. Ex p control unit APEX, type 07-37A2-2111/*520 ATEX (Europe) II 2(1)G Ex eb mb ib [ib pyb] [ia Ga] IIC T5/T4 Gb Marking II 2(1)D Ex tb [ib pyb] [ia Da] IIIC T130 °C / T95 °C Db Test certificate...

  • Page 17: Sil Qualification / Safety According To Iec 61508

    Ex p Control unit Safety APEX Standard Designation EN 61000-6-4:2007 + A1:2011 Electromagnetic compatibility (EMC) – IEC 61000-6-4:2018 Edition 3.0 Part 6-4: Generic standards – Emission standard for industrial environments EN 61000-3-2:2014 Electromagnetic compatibility (EMC) – IEC 61000-3-2:2018 Edition 5.0 Part 3-2: Limits –...

  • Page 18: Safety Function

    Ex p Control unit Safety APEX Safety function The safety function of the Ex p control unit is the purging with a defined quantity of purging gas, the safe monitoring of the internal overpressure of the protected equipment and the release for operation. The safe state means that in the event of a drop in pressure or malfunction, the Ex p control unit switches to the safe state = deactivation of the protected equipment.

  • Page 19: Reaction Time

    Ex p Control unit Safety APEX Reaction time The reaction time of the Ex p control unit to safety-relevant functions without specific user delay times is smaller than 2 seconds. With the Ex p control unit it is possible to set a delay time for pressure fluctuations below the minimum pressure.

  • Page 20: Product Description

    Ex p Control unit Product description APEX 3 Product description General information The Ex p type of protection, referred to as “pressurized enclosure”, is based on the measure of purging out any explosive gases that are in a closed enclosure and then generating and maintaining a level of pressure that is higher than that of the ambient atmosphere.

  • Page 21: Apex Design, Type 07-37A2-2111/*520

    Ex p Control unit Product description APEX APEX design, type 07-37A2-2111/*520 The enclosure of variant two is available for the Ex p control unit APEX and is made of stainless steel. In this enclosure variant, the associated pressure measurement card is integrated. Ex p control units of this enclosure variant can be mounted internally or externally on the pressurized enclosure.

  • Page 22: Accessories

    Ex p Control unit Product description APEX Accessories Valve fuse Valve fuse, type 05-0080-10** The valve fuse serves to secure the connected purging gas valve and is connected on the Ex e board of the control unit. Pressure monitor Pressure monitor, Type 17-51P3-1*03 The pressure monitor serves as overpressure valve and measuring unit for Ex pxb systems by means of the integrated orifice.

  • Page 23: Programming Switch

    Ex p Control unit Product description APEX Programming switch The programming switch must be connected to the control unit in order to change parameters and switching values. The control unit APEX does not accept values, which are changed without an active connected programming switch. Programming cable The programming cable is used to connect the Ex p control unit to the PC.

  • Page 24: Transport And Storage

    4 Transport and storage Scope of delivery Missing parts or damage must be reported immediately in writing to the forwarding agent, the insurance company or BARTEC GmbH. Check the completeness of the scope of delivery using the delivery note. As standard, each Ex p control unit is delivered with the following scope of...

  • Page 25: Storage

    Ex p Control unit Transport and storage APEX Storage Store the control unit in a horizontal position and at a temperature of -25 °C to +60 °C in its original packaging. The environment must be dry, dust-free and low vibration. Store the control unit for a maximum of 2 years.

  • Page 26: Installation

    Ex p Control unit Installation APEX 5 Installation Before starting work, find out about the general safety instructions (see Chapter 2 Safety instructions). Deviations in the installation of customer-specific assemblies may occur. Observe the chapters Installation and Electrical connections. Carry out the installation according to the following sections, unless otherwise agreed for customer-specific control units.

  • Page 27: Assembly "Internal Mounting Kit, Type 05-0091-0275

    Ex p Control unit Installation APEX Assembly "Internal mounting kit, type 05-0091-0275" Mounting the atmosphere measuring point when mounting the Ex p control unit inside the protected equipment Procedure:  Make a 16.5mm diameter bore hole at the intended location on the pressurized enclosure.

  • Page 28: Assembly "External Mounting Kit, Type 05-0091-0280

    Ex p Control unit Installation APEX Assembly "External mounting kit, type 05-0091-0280" For external mounting of the Ex p control unit, the two measuring points must be routed into the Ex p control cabinet using the "External" mounting kit. Procedure: ...

  • Page 29: Installation Purging Gas Supply

    Ex p Control unit Installation APEX Installation purging gas supply ATTENTION MATERIAL DAMAGE CAUSED BY THE ABSENCE OF A PURGE GAS NOZZLE. Due to the build-up of internal pressure, there is a risk of excessive strain on the pressurized enclosure. ...

  • Page 30: Version G1/4

    Ex p Control unit Installation APEX Version G1/4” The G1/4" purge gas supply is applicable up to a protected volume of 300 liters. The assembly of the purging gas supply must be installed carefully. To ensure that the screwed parts are tight, they can be sealed by means of a Teflon® tape. Care must be taken to prevent the penetration of foreign particles during assembly.

  • Page 31: Version G1/2

    Ex p Control unit Installation APEX Version G1/2” The G1/2" purge gas supply version is applicable up to a protected volume of > 300 liters. The assembly of the purging gas supply must be installed carefully. To ensure that the screwed parts are tight, they can be sealed by means of a Teflon® tape. Care must be taken to prevent the penetration of foreign particles during assembly.

  • Page 32: Version G1/4" (Dust Application)

    Ex p Control unit Installation APEX Version G1/4” (Dust application) For dust applications, there is no purge phase in a pressurized enclosure and only positive overpressure is applied. Therefore, no purge gas valve is present. The assembly of the purging gas supply must be installed carefully. To ensure that the screwed parts are tight, they can be sealed by means of a Teflon®...

  • Page 33: Pneumatic Connections

    Ex p Control unit Installation APEX Pneumatic Connections Pneumatic connections APEX, type 07-37A2-2111/*520 Installation inside Ex p equipment When installing the controller inside the pressurized equipment, the atmospheric connection must be routed to the outside. Please use the assembly kit for the atmospheric connection here. The adaption pressure measurement card comes with two quick hose connections as standard.

  • Page 34: Typical Arrangement - Outside Installation / Gas Application

    Ex p Control unit Installation APEX Typical arrangement - outside installation / gas application The following figures show the installation of the APEX control unit with one or two pressure outlet modules. The Ex p control unit is mounted outside the Ex p equipment.

  • Page 35: Typical Arrangement - Inside Installation / Gas Application

    Ex p Control unit Installation APEX Typical arrangement - inside installation / gas application The following figures show the mounting of the APEXpx control unit with one or two pressure monitor outputs. The Ex p control unit is mounted inside the Ex p equipment.

  • Page 36: Typical Arrangement - Outside Installation / Dust Application

    Ex p Control unit Installation APEX Typical arrangement - outside installation / dust application The following figures show the installation of the APEX control unit with one or two pressure outlet modules. The Ex p control unit is mounted outside the Ex p equipment.

  • Page 37: Typical Arrangement - Inside Installation / Dust Application

    Ex p Control unit Installation APEX Typical arrangement - inside installation / dust application The following figures show the mounting of the APEXpx control unit with one or two pressure monitor outputs. The Ex p control unit is mounted inside the Ex p equipment.

  • Page 38: Electrical Connections

    Ex p Control unit Electrical connections APEX 6 Electrical connections DANGER DEATH OR SERIOUS PHYSICAL INJURY DUE TO WORK ON LIVE PARTS. Fatal injury from electrical current.  Observe the five safety rules for work on electrical systems: Disconnect mains; protect against unintended reconnection; verify the absence of voltage;...

  • Page 39: General

    Ex p Control unit Electrical connections APEX General Connection notes DANGER DEATH OR SERIOUS PHYSICAL INJURY WHEN THE COVER OF THE CONTROL UNIT APEX IS OPENED IN AN EXPLOSIVE ATMOSPHERE. Risk of explosion.  Before opening the lid of the enclosure, check the atmosphere for any explosive gases.

  • Page 40: Emc-Compliant Connection

    EMC Directive. BARTEC Ex p control units can only operate safely and trouble free with an EMC- compliant wiring. This chapter supports you in the EMC-compliant design of your system.

  • Page 41: Pre-Fuse

    Ex p Control unit Electrical connections APEX Earthing cables The earthing of a system satisfies protective and functional measures. Please observe the following points:  Earthing cables should be as short as possible.  Avoid ground loops.  Use ground straps with a width of at least 10 mm. Shielding In order to ensure trouble free operation of a system, cables with the largest possible surface area (not cross section) are important.

  • Page 42: Inductive Loads

    VDR resistor is exploited to become low-resistance above a certain threshold voltage. This short-circuits the self-induction voltage. Any oscillation that arises is damped by the RC snubber. Interference suppression measure, e.g. BARTEC 07-7311-93GU/K000 RC snubber Varistor Protective circuit for DC supplied inductive loads This circuit variant is used for DC-powered relays / contactors.

  • Page 43: Electrical Wiring Apex

    Ex p Control unit Electrical connections APEX Electrical wiring APEX Page 42 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Rev. 0...

  • Page 44: Ex E" Connection Terminals

    Ex p Control unit Electrical connections APEX “Ex e” connection terminals Terminal row “X3” ATTENTION MATERIAL DAMAGE DUE TO INCORRECT SUPPLY VOLTAGE. Internal electronics of the Ex p control unit can be destroyed.  Before activating the supply voltage, compare the value of the supply voltage with the printed value of the control unit.
  • Page 45 Ex p Control unit Electrical connections APEX Terminal row “X5” The Ex p control unit has one floating changeover contact K3 and one floating changeover contact K4 for signaling and processing signals. The associated switching function can be set in the Ex p control unit via the WEB interface and is freely programmable.
  • Page 46 Ex p Control unit Electrical connections APEX Terminal row “X12” Floating signaling K2 can be classified as pure enable according to SIL when used. A floating signal (4x NO) is available on the Ex p control unit. This signal can either be used as an enable that is also safety related.
  • Page 47 Ex p Control unit Electrical connections APEX Terminal row “X6” ATTENTION MATERIAL DAMAGE DUE TO INCORRECT PRE-FUSING. Valve or control electronics may be damaged.  Operate the digital outlet valve only with a 1.0 A pre-fuse and the proportional outlet valve only with a 1.6 A pre-fuse. The terminal row X6 is used to connect the outlet valve and the accompanying valve fuse.

  • Page 48: Connection Terminals "Ex I

    Ex p Control unit Electrical connections APEX Connection terminals “Ex i” Terminal row “X9” DANGER DEATH OR SERIOUS PHYSICAL INJURY DUE TO COMMISSIONING WITH BYPASS KEY SWITCH IN POTENTIALLY EXPLOSIVE ATMOSPHERE. Risk of explosion.  Have the commissioning with a bypass key switch approved by the factory manager or his representative.
  • Page 49 Ex p Control unit Electrical connections APEX For the bypass switch to be detected and the function to be executed, a resistor with 620 Ω must be connected to the closing contact. The temperature sensor can be a PT 100 or 1000.
  • Page 50 After changing or adapting parameters, a final function test must be performed. During normal operation of the Ex p system it may not be connected. The BARTEC parameter-setting switch must be used to change the parameters. The temperature sensor can be a PT 100 or 1000.
  • Page 51 Ex p Control unit Electrical connections APEX Terminal row “X13” ATTENTION ATTENTION WHEN CONNECTING EXTERNAL SENSORS TO THE EX P CONTROL UNIT. Ensure functional safety when connecting external sensors to the Ex p control unit!  The external sensors must meet the requirements placed on SIL 2. Two functions can be executed at the optional current input as standard.
  • Page 52 Ex p Control unit Electrical connections APEX Terminal row “X15” ATTENTION ATTENTION WHEN CONNECTING EXTERNAL SENSORS TO THE EX P CONTROL UNIT. Ensure functional safety when connecting external sensors to the Ex p control unit!  The external sensors must meet the requirements placed on SIL 2. Two functions can be executed at the optional current input as standard.
  • Page 53 Ex p Control unit Electrical connections APEX Terminal row “X17” The optionally available p operator panel can be connected to the terminal row “X17”. Terminal Connection Wire Function 3V3V_HMI Power supply Ground connection HMI_RX Data cable HMI_TX Data cable Terminal row – measurement card The pressure sensor board belonging to the Ex p control unit is connected to the terminal row (screw connection).

  • Page 54: Operation

    Ex p Control unit Operation APEX 7 Operation Operation of the Ex p control unit for end users is described in the following chapters. A description of the configuration and settings is provided in separate operating instructions. The complete solution starts automatically after connecting the purge gas supply and the supply voltage.
  • Page 55 Ex p Control unit Operation APEX Procedure: Open the network settings for the LAN interface on the PC/laptop. Select the properties of the LAN connection by pressing the “Properties” button. Open the network adapter settings using the “Configure…” button and select Advanced. Select the “Speed &...

  • Page 56: Operation Of The Web Interface

    Ex p Control unit Operation APEX Operation of the WEB interface The web interface is operated using the input devices on the PC. Logging onto the WEB interface Two login levels are available on the WEB interface Level 1 Guest access User ID guest Password...

  • Page 57: Input Of Parameters

    Ex p Control unit Operation APEX Input of parameters Changing parameters in the Web interface must be carried out in a certain sequence: Procedure for changing parameters:  Activate the parameter setting switch.  Logging in to the web interface If you are already logged in, the web interface requires a new log-in.

  • Page 58: Menu Structure Web-Interface

    Ex p Control unit Operation APEX Menu structure WEB-Interface The WEB interface integrated in the Ex p control unit shows the following menu structure: Ex p Parameter Purge parameter Purge modi Pressure parameter Characterisitic Enclosure parameter Start page Info Status Messages File Parameter...

  • Page 59: Web-Interface Operating Menu

    Ex p Control unit Operation APEX WEB-Interface operating menu Purge parameter The "Ex p parameter / Purge parameter" menu contains the purge parameters. This includes the submenus Purge mode, Pressure parameter, Characteristics and enclosure parameters. Purge mode The Ex p sequence control is defined in the "Purge mode" submenu. Manuel / Automatic = Determines whether the Ex p control unit performs purging with a fixed stored...
  • Page 60 Ex p Control unit Operation APEX Purge programs gas application: Functions Purge time starts Purge time stops Ex p Purge Ex p active when p3 is when p5 is inactive phase after exceeded reached after Expiration po < p1 Ex_p_1 purge time po >...
  • Page 61 For automatic purge time determination, the characteristics of the pressure switch in the system must be set in the Ex p control unit. Selection table Parameter Measuring orifice BARTEC outlet type Characteristic 1 18 mm 17-51P3-1603 Characteristic 2 2x 18 mm 2x 17-51P3-1603 Page 60 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx...

  • Page 62: Start Page

    Ex p Control unit Operation APEX Enclosure parameter DANGER INCORRECT PARAMETERIZATION OF THE PROTECTED VOLUME IN THE EX P CONTROL UNIT. The purge process takes place with too low purge gas flow and there is a risk of residual explosive gases within the Ex p equipment. ...

  • Page 63: Status

    Ex p Control unit Operation APEX Status In the "Info / Status" menu, an overview of the setpoint and measured values is displayed. Furthermore, there is an internal pressure diagram in the lower area. Messages In the "Info / Messages" menu, the current system status is displayed as a plain text message.

  • Page 64: Error Log

    Ex p Control unit Operation APEX Error log Furthermore, there is the option of reading out the error memory in the "Save / Error memory" menu. Save = Local loading of the error memory. The file is transferred to the local computer as a *.csv file.
  • Page 65 Ex p Control unit Operation APEX Functions Switching value Function Open valve 1 Cooling using purging air Open valve 2 Cooling using valve 2, e.g. vortex The enable is withdrawn on exceeding the Deactivating of Ex p (K1) temperature A plain text warning is issued in the Warning in plain text messages area on exceeding the temperature...

  • Page 66: Extended

    Ex p Control unit Operation APEX  Select a function for switching value 1 e.g. open valve 1  function “Cooling using purging air” Confirm the pop-up window with changed value   Select a function for switching value 2 e.g.
  • Page 67 Ex p Control unit Operation APEX Relays ATTENTION ATTENTION WHEN SWITCHING PARAMETER K2 WITH K1 When using relay K2 as an enable relay (parameter K1), other selected parameters are not utilized because at this time relay K2 is regarded as an enable relay (SIL related)) ...
  • Page 68 Ex p Control unit Operation APEX Units In the "Units of measurement" menu item, the display units can be selected for pressure, length, volume and dilution. Sensors In the menu item "Sensors" the three additional temperature sensors can be activated. In addition, the OS1 and OS 2 current sensors can be activated.
  • Page 69 Ex p Control unit Operation APEX  Select the “Pressure parameters” menu and enter the desired set points for the optional pressure sensors “pa and pb“ e.g. pa – specify a trigger value of 2.00 mbar for pressure sensor A. The corresponding Ex p equipment will be deactivated when falling below 2.00 mbar at the measurement point.

  • Page 70: Menu „Network

    Ex p Control unit Operation APEX Menu „Password” A new password can be stored for the Guest and User in the Password tab. Menu „Network“ All network specific settings are made in the Network menu. By default, the Ex p control unit is set to a static IP address.

  • Page 71: System Status

    Ex p Control unit Operation APEX System status By connecting the laptop to the Ex p control unit, initial information about the system keyboard can be called up on the start screen. Procedure for querying the system status  Logging into WEB interface by opening the browser and entering the IP address 192.168.11.101 The start screen provides an initial overview of the status of the Ex p...

  • Page 72: Reading Container Data

    Ex p Control unit Operation APEX Reading container data Data is retrieved for the control room via a web browser or using an appropriate software tool to be provided by the customer that is able to send an HTML GET message equivalent to a browser request across the network to the APEX device.

  • Page 73: Commissioning

    Ex p Control unit Commissioning APEX 8 Commissioning General The following sections describe the initial commissioning of the Ex p control unit. This means that it is described in detail how the Ex p control unit is set to the Ex p equipment created.

  • Page 74: Setting For "Leakage Air Compensation" Digital Valves

    Ex p Control unit Commissioning APEX Setting for "Leakage air compensation" digital valves When using digital purge gas valves, the leakage air needle must be adjusted during initial startup or when the leakage air quantity changes. With proportional valves, the leakage air volume is controlled automatically via the valve.
  • Page 75 Ex p Control unit Commissioning APEX Setting the “Purge program / Purge mode” DANGER DEATH OR SERIOUS BODILY INJURY FROM USE OF AN IMPROPER FLUSH MODE. Explosion risk.  Only activate rinsing programs suitable for the application.  Purge programs Ex_p_3, Ex_p_6, Ex_M_1 and Ex_M_2 are special purge modes, which must not be used for standard applications.
  • Page 76 Ex p Control unit Commissioning APEX Ex p control with application proportional purge gas valve When using a proportional purge gas valve, the achieved purge pressure p3 is achieved by adjusting the internal pressure to the value 7/8 of p5. This means that the internal pressure can be finely adjusted during purging with the aid of the proportional valve, which can be advantageous for pressure-sensitive assemblies in the front of the pressurized equipment.
  • Page 77 Ex p Control unit Commissioning APEX Setting the “Ex p parameters / pressure parameters“ The pressure parameters to be observed are part of IEC / EN 60079-2. Furthermore, the pressure parameters are application-dependent and must be checked during initial commissioning. The following values can be applied as a basic setting: po = 2.5 mbar (250 Pa) p1 = 1.0 mbar (100 Pa)

  • Page 78: Ex P Settings - Automatic Purge

    Ex p Control unit Commissioning APEX Ex p settings – Automatic purge Setting the “Purge program / Purge mode” DANGER DEATH OR SERIOUS BODILY INJURY FROM USE OF AN IMPROPER FLUSH MODE. Explosion risk.  Only activate purge programs suitable for the application. ...
  • Page 79 Ex p Control unit Commissioning APEX Setting the “Ex p parameters / pressure parameters“ The pressure parameters to be observed are part of IEC / EN 60079-2. Furthermore, the pressure parameters are application-dependent and must be checked during initial commissioning. The following values can be applied as a basic setting: po = 2.5 mbar (250 Pa) p1 = 1.0 mbar (100 Pa)
  • Page 80 Ex p Control unit Commissioning APEX Setting the “Ex p parameters / characteristics“ WARNING RISK OF DEATH OR INJURY CAUSED BY SETTING THE CHARACTERISTICS INCORRECTLY. The explosion protection is no longer guaranteed.  Check the type number and corresponding characteristics of the pressure monitor.

  • Page 81: Configuration For Dust Applications

    Ex p Control unit Commissioning APEX Configuration for dust applications Ensure that the electrical wiring has been connected as described in the relevant operating instructions and that the purge gas supply has been connected. To carry out the configuration, log into the WEB interface at the user level. The structure of the chapters corresponds to the flow diagram in Chapter 7.1, and can therefore by worked through chapter by chapter.
  • Page 82 Ex p Control unit Commissioning APEX Setting the “Purge gas valve“ Due to the fact that no purging is performed in Ex pD (dust) applications, the purging gas valve is replaced by an adjustable purging gas nozzle. To ensure that the control unit does not activate a valve, the setting "without"...

  • Page 83: Functional Test And Procedure

    Ex p Control unit Functional test and procedure APEX 9 Functional test and procedure Safety during operation DANGER DEATH OR SERIOUS INJURY CAUSED BY DAMAGED EXPLOSION PROTECTION MEASURE. Safe operation of the control unit is no longer possible. Risk of an explosion ...

  • Page 84: Functional Flow Diagram - Dust

    Ex p Control unit Functional test and procedure APEX The Ex p control executes the following sequence during commissioning: Activation Parameter mode - Active parameter switch Safety state - Ex p Control Unit - Minimum pressure drop Maximum pressure exceeded Electronic failure - Pre pressure exceeded Pre-Purge-Condition...

  • Page 85: 10 Maintenance And Care

    Ex p Control unit Maintenance and care APEX 10 Maintenance and care Find out about the general safety instructions before starting work (see Chapter 2.4 Safety instructions). Carry out maintenance and care in accordance with the following sections, unless otherwise agreed for customer-specific versions. Types of purging gas Only inert gas (e.g.

  • Page 86: Visual Inspection

    Furthermore, the function of the overall system should be checked. The correct sequence of the purging phase and of the operating phase should be checked. Repairs Repairs to the control unit and accessories may only be made by BARTEC GmbH. Faults and troubleshooting ATTENTION AN ALTERED OPERATING BEHAVIOUR CAN BE AN INDICATION OF ALREADY EXISTING DAMAGE TO THE CONTROL UNIT.

  • Page 87: Faults

    Ex p Control unit Maintenance and care APEX Faults Error / Fault Possible cause Remedy Sporadic failure Cable break Check connections Pressure drop / leakage Check tightness and leak compensation Control unit without Mains voltage not Check supply voltage function available (all LEDs off) Device defective...
  • Page 88 Ex p Control unit Maintenance and care APEX Digital purging gas valve Temperature sensor is Check purging gas valve does not switch to the connected, internal for foreign particles in the small nozzle after the pre- temperature too high mechanical part purging phase Wait until the increased flow rate has caused the...

  • Page 89: Error Messages

    Ex p Control unit Maintenance and care APEX Error messages The control units give plain text messages which are divided into 3 categories.  Positive messages are notifications that do not affect system availability.  Warning messages are notifications that affect parts of the system. ...
  • Page 90 Ex p Control unit Maintenance and care APEX Alarm messages Status Code Plain text 0000000D Ex p inactive The protected device is deactivated. 0000000E Device fault 1 HW test error (processors) 0000000F Device fault 2 HW test error (barriers) 00000010 Device fault 3 HW test error (internal temperature monitoring) 00000011...

  • Page 91: 11 Technical Data

    Ex p Control unit Technical data APEX 11 Technical data Parameters Specifications Product APEX Type 07-37A2-2111/*520 EU type examination certificate BVS 19 ATEX E 015 X IECEx certification IECEx BVS 19.0038X ЕАЭС RU С-DE.АЖ58.В.01809/21 EAC certification II 2(1)G Ex eb mb ib [ib pyb] [ia Ga] IIC T5 / T4 Gb ATEX Marking II 2(1)D Ex tb [ib pyb] [ia Da] IIIC T95°C / T130 °C Db Ex eb mb ib [ib pyb] [ia Ga] IIC Gb...

  • Page 92: 12 Order Numbers

    Ex p Control unit Order numbers APEX 12 Order numbers Ex p control unit APEX, standard Standard, stainless steel, Ex p control unit APEX , Type II, DC wide voltage range 07-37A2-2111/1520 Ex p control unit APEX , Type II, AC wide voltage range 07-37A2-2111/2520 Pressure monitor module Pressure monitor, standard...

  • Page 93: 13 Annex

    Ex p Control unit Annex APEX 13 Annex Purge diagram 1600 1500 1400 1300 1200 1100 1000 1x 17-51P3-1603 2x 17-51P3-1603 Q [m³/h] Page 92 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Rev. 0...

  • Page 94: Sequence Diagram

    Ex p Control unit Annex APEX Sequence diagram Rev. 0 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Page 93 of 96...

  • Page 95: Dimensions

    Ex p Control unit Annex APEX Dimensions Ex p control unit APEX , 07-37A2-2111/*520 Image not true to scale. Pressure outlet, 17-51P3-1603 Image not true to scale. Page 94 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Rev. 0...

  • Page 96: Software Packages Used

    Ex p Control unit Annex APEX Software packages used The service area of hardware / software of the control unit APEX uses the freeware freeRTOS Rev. 0 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Page 95 of 96...

  • Page 97: 14 Declaration Of Conformity

    Ex p Control unit Declaration of conformity APEX 14 Declaration of conformity Ex p control unit APEX, Type 07-37A2-*1*1/**** Page 96 of 96 01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx Rev. 0...
  • Page 98 BARTEC BARTEC GmbH Max-Eyth-Str. 16 97980 Bad Mergentheim Germany Phone: +49 7931 597 0 info@bartec.com bartec.com...

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