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

Page: 53 / 98

Electrical connections

Ex p Control unit

APEX

Page 52 of 96

01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx

Rev. 0

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

GND

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).

Terminal Connection

Wire

Function

SCL_H1

Data cable

SDA_H1

Data cable

3V3_H1

Power supply channel 1

SCL_H2

Data cable

SDA_H2

Data cable

3V3_H2

Power supply channel 2

GND

Diagnosis

Diagnostic cable

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

Page 1: ...Manual Ex p Control Unit APEXpy ...

Page 2: ...49 7931 597 0 Fax 49 7931 597 480 Support info bartec de Internet www bartec de Operating Instructions Safety Manual Ex p Control unit APEXpy Type 07 37A2 2111 520 Stainless steel version ATEX IECEx Zone 1 21 Document number 01 37A2 7D0006 Revision a Order code 452086 ...

Page 3: ...Page 2 of 96 01 37A2 7D0006_py_Manual_Exp Control Unit_20210923_a_en docx Rev 0 ...

Page 4: ...instructions for operation 12 Avoidance of damage to property 13 Short circuit due to improper connection 13 Triggering the safety function 13 EMC compliant connection 13 Storage at an excessively high temperature 13 Aggressive cleaning agents 14 Danger to health due to improper disposal 14 Obligations of the owner 14 Instructions for use 14 Marking and test certificate 15 Ex p control unit APEX t...

Page 5: ...sure monitor 25 Assembly Internal mounting kit type 05 0091 0275 26 Assembly External mounting kit type 05 0091 0280 27 Installation purging gas supply 28 Version G1 4 29 Version G1 2 30 Version G1 4 Dust application 31 Pneumatic Connections 32 Pneumatic connections APEX type 07 37A2 2111 520 32 Typical installations 32 Typical arrangement outside installation gas application 33 Typical arrangemen...

Page 6: ...2 Messages 62 Parameter 62 Error log 63 Temperature sensors 63 Extended 65 Menu Network 69 Menu Language 69 System status 70 Reading container data 71 8 Commissioning 72 General 72 Sequence for the settings 72 Parameterization of purge gas valve 72 Setting for Leakage air compensation digital valves 73 Configuration for gas applications 73 Ex p settings Manual purge 73 Ex p settings Automatic purg...

Page 7: ...nd troubleshooting 85 Faults 86 Error messages 88 11 Technical data 90 12 Order numbers 91 Ex p control unit APEX standard 91 Pressure monitor module 91 Valve fuse 91 Purge gas valve 91 Operator panel 91 Installation accessories 91 Protective circuits 91 13 Annex 92 Purge diagram 92 Sequence diagram 93 Dimensions 94 Ex p control unit APEXpx 07 37A2 2111 520 94 Pressure outlet 17 51P3 1603 94 Softw...

Page 8: ...nstallation and commissioning The safety notes and warnings in these operating instructions are given in a general manner and only qualified personnel will have the necessary know how to interpret and implement them correctly in specific individual cases These operating instructions are an integral part of the scope of delivery even if for logistical reasons they can be ordered and delivered separ...

Page 9: ...s a hazardous situation which if safety measures are not observed may result in serious injuries without permanent damage CAUTION CAUTION indicates a hazardous situation which if safety measures are not observed can result in minor injuries ATTENTION ATTENTION indicates a hazardous situation which if the safety measures are not observed may result in damage to property Explanation of the structure...

Page 10: ...ording to IEC 61508 Table 1 Symbols and icons Technical changes The current versions of the datasheets operating instructions certificates and EC declarations of conformity as well as information on new accessories can be downloaded from www bartec de under Products in the product area Control and Connection Equipment or requested directly from BARTEC GmbH Languages The original user manual is wri...

Page 11: ...erved Improper use Any other use is not in accordance with the intended purpose and may lead to damage and accidents The manufacturer will not be liable for any use beyond that of its intended purpose Qualification of staff Target group Skills Design engineering Technical training Knowledge and experience to identify and avoid hazards that may be caused by electricity Understanding of the overall ...

Page 12: ...property are excluded if they are due to one or several of the following reasons Improper use of the Ex p control unit Incorrect installation commissioning operation and maintenance of the Ex p control unit Non compliance with the instructions in the manual with respect to transport storage assembly commissioning operation and maintenance Unauthorized structural changes to the Ex p control unit In...

Page 13: ...nstructions for operation Commissioning Before commissioning check that all components and documents are available Inspection Under EN IEC 60079 17 ГОСТ IEC 60079 17 2013 the owner of electrical systems in hazardous areas is obliged to have them checked by a qualified electrician to ensure that they are in a proper condition Maintenance For electrical systems the relevant installation and operatin...

Page 14: ...vice be ready for operation again For Ex applications only one device and one electronic module may be used with corresponding Ex approval Order the spare parts from your local representative The serial number can be found on the type plate of the device inside the enclosure Avoidance of damage to property Short circuit due to improper connection An incorrect connection of the power supply will de...

Page 15: ...for this purpose Details of this are regulated by the respective national law The symbol on the product the operating instructions or and the packaging refers to these regulations With this type of material separation recycling and disposal of old devices you make an important contribution to the protection of our environment Obligations of the owner The owner undertakes to restrict permission to ...

Page 16: ...ard Designation EN IEC 60079 0 2018 AC 2020 IEC 60079 0 2011 Edition 6 0 ГОСТ 31610 0 2014 Explosive atmospheres Part 0 General requirements EN 60079 2 2014 IEC 60079 2 2007 Edition 5 0 ГОСТ IEC 60079 2 2011 Explosive atmospheres Part 2 Equipment protection by pressurised enclosure p EN 60079 7 2015 A1 2018 IEC 60079 7 2006 Edition 4 0 ГОСТ Р МЭК 60079 7 2012 Explosive atmospheres Part 7 Equipment...

Page 17: ...ts of control systems Part 2 Validation DIN EN 62061 2016 IEC 62061 2015 Safety of machinery Functional safety of safety related of electrical electronic and programmable electronic control systems SIL qualification Safety according to IEC 61508 The SIL qualification is only valid for the version of type 07 37A2 1 APEX Important notes and information on the safe handling of the product SIL qualifi...

Page 18: ...imum pressures within the Ex p equipment Illogical pressure values within the Ex p equipment Failure of the supply voltage If the Ex p control unit does not deactivate or does not change to the safe state on request or in the case of an error a hazardous failure exists Safety parameters THE FOLLOWING SAFETY PARAMETERS ARE WITHOUT OPTIONAL SENSORS The optional sensors must be considered to determin...

Page 19: ...r pressure fluctuations below the minimum pressure This results in a delay time of TReaction TControl TDelay TReaction Time required by the Ex p control unit APEX to react to a safety relevant function TControl Internal time required by the Ex p control unit to recognise the safety relevant triggering 2 seconds TDelay Adjustable delay time for safety relevant triggering which is added to the react...

Page 20: ...depends on the inspection carried out during initial commissioning The rate of flow is measured or determined at the outlet of the pressurized enclosure Since a safe state in the enclosure is only reached when the operation phase is started it is necessary to use explosion proof versions of the APEX control unit with its system components Ex p control units APEX The control unit APEX with its syst...

Page 21: ...el 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 In terms of explosion protection the enclosure provides Ex e protection for gas and Ex t protection for dust Item Designation Control electronics APEX Protection enclosure Outer earthing connection Ex e...

Page 22: ...rent versions as digital purging gas valve open close with integrated manual leakage air needle valve or proportional purging gas valve regulating p operator panel p Operator Panel Type 17 51P5 1111 The p operator panel is a visualization unit for the control unit APEX or SILAS It can be optionally connected and is used to display the system states and to parameterize the control units By means of...

Page 23: ...nnected 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 This must be connected to the control unit and PC in order to change parameters and switching values ...

Page 24: ...livered packed in film on pallets and or in boxes Dispose of the packaging materials at the designated disposal points Observe the applicable national regulations for disposal Transport WARINING DEATH OR RISK OF INJURY FROM FALLING HEAVY SUSPENDED LOADS Never stand under suspended loads Secure the Ex p control unit before transport using suitable fastening e g straps ATTENTION AVOID HARD IMPACTS E...

Page 25: ...l 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 For warehouse logistics we recommend the first in first out principle Disposal Observe the applicable national regulations for disposal Dispose of the control unit at the designated disposal points ...

Page 26: ...ecific control units Installation Ex p control unit type 07 37A2 2111 520 Attach the Ex p control unit to the intended position using the fastening lugs on the housing M6 screws with associated locking elements can be used as fastening material The corresponding hole pattern is available in the appendix Installation of the pressure monitor Installation of the pressure monitor module for Zone 1 Typ...

Page 27: ...d equipment Procedure Make a 16 5mm diameter bore hole at the intended location on the pressurized enclosure Screw the bleed screw 1 together with the sleeve 2 in the bore hole Screw the reduction 3 into the sleeve 2 Screw the hose connection 4 into the reduction 3 Push in the hose 5 into the hose connection 4 and lead it to the internally installed Ex p control unit Replace the atmospheric measur...

Page 28: ...ng the External mounting kit Procedure Drill two mounting holes d 10 5 mm at the intended location of the pressurized equipment Insert the tube bulkhead fitting pos 2 into the hole Fasten the bulkhead fitting in the center of the hole using the nuts pos 1 and 3 Insert the hose pos 4 into the hose bulkhead fitting The other end is plugged into the hose connection provided on the Ex p control unit F...

Page 29: ...G1 2 The following table shows a guideline value in terms of protected volumes Capacity Pre Pressure Pressure reducer Pressure outlet Purge gas nozzle Feeding pipe 50 liters 2 bar 18 mm 2 8 mm 10 mm 50 to 300 liters 2 bar 18 mm 3 9 mm 10 mm 300 to 700 liters 2 bar 18 mm 4 2 mm 15 mm 700 to 1000 liters 3 bar 18 mm or 2x 18 mm 4 5 mm 15 mm As of 1000 liters 3 bar 2x 18 mm 5 5 mm 20 mm The levels spe...

Page 30: ...sition provided for that purpose in the pressurized enclosure 4 Mount the purge gas valve 2 onto the pressurized enclosure using the reducing sleeve 5 and the sealing washers 3 Screw in the purge gas nozzle 1 at the purge gas valve outlet 2 Screw the detachable double threaded nipple 6 into the reducing sleeve 5 Screw the G1 4 pressure reducer 7 onto the detachable double threaded nipple 6 Item De...

Page 31: ...t the mounting position provided for that purpose in the pressurized enclosure 6 Mount the G1 2 pressure reducer 7 onto the pressurized enclosure using the reducing sleeve 4 and the sealing washers 5 Screw the detachable double threaded nipple 3 into the reducing sleeve 4 Screw the purge gas valve 2 onto the detachable double threaded nipple 3 Screw in the purge gas nozzle 1 at the purge gas valve...

Page 32: ...dure Make a 17 mm diameter borehole at the mounting position provided for that purpose in the pressurized enclosure 4 Mount the reducing sleeve 5 with sealing washers 3 using the G3 8 nut 2 in the pressurized enclosure Screw in the adjustable purge gas nozzle 1 into the reducing sleeve 5 inside the pressurized enclosure 4 Screw the detachable double threaded nipple 6 into the reducing sleeve 5 Scr...

Page 33: ...uted 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 Hose outer diameter 4mm Connection Description p1 Internal pressure A Atmosphere p2 Internal pressure redundant Typical installations DANGER INCORRECT ARRANGEMENT OF THE SYSTEM COMPONENTS ON THE EX P OPERATING EQUIPMENT The ins...

Page 34: ...ng figures show the installation of the APEXpx control unit with one or two pressure outlet modules The Ex p control unit is mounted outside the Ex p equipment Position Description 1 Ex p Controller 2 Mounting kit External 3 First pressure outlet 4 Optional second pressure outlet from volume 700 liters 5 Purge gas valve with purge gas nozzle 6 Pressure reducer 7 Ex p protected equipment ...

Page 35: ...ing 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 Position Description 1 Ex p Controller 2 Mounting kit Internal 3 First pressure outlet 4 Optional second pressure outlet from volume 700 liters 5 Purge gas valve with purge gas nozzle 6 Pressure reducer 7 Ex p protected equipment ...

Page 36: ...llowing figures show the installation of the APEXpx control unit with one or two pressure outlet modules The Ex p control unit is mounted outside the Ex p equipment Position Description 1 Ex p Controller 2 Mounting kit External 3 First pressure outlet 4 Optional second pressure outlet from volume 700 liters 5 Adjustable purge gas nozzle 6 Pressure reducer 7 Ex p protected equipment ...

Page 37: ...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 Position Description 1 Ex p Controller 2 Mounting kit Internal 3 First pressure outlet 4 Optional second pressure outlet from volume 700 liters 5 Adjustable purge gas nozzle 6 Pressure reducer 7 Ex p protected equipment ...

Page 38: ...ce of voltage earth and short circuit cover or safeguard nearby live parts Connection terminals with the type of protection Ex e or Ex i are on the connection board of the Ex p control unit Terminal row Function Ex e X3 Power supply X5 2x signal relay 1x CO each X8 Enable with voltage X12 Indicator relay 4x NO X7 Purging gas valve empty contacts X8 Purging gas outlet LAN Ex i X9 Bypass temperature...

Page 39: ...nd the connecting terminal Make sure that none of the wires are loose or jump out protrude AVOID DAMAGE TO THE SEAL Cancellation of the Ex protection concept Visual inspection of the seal when closing the control unit APEX cleanliness seat and integrity AVOID RAPID DISCONNECTION AND RECONNECTION OF THE POWER SUPPLY Internal protection circuits can trip Wait approx 30 seconds between switching off ...

Page 40: ...ences is ensured by professional clean line connections Cables and connections Please observe the following points Divide the cables into groups Power cables power lines power supply Signal cables shielded min 0 5 mm Data cables shielded Ensure that the wiring is correct Ensure that over couplings between signal data cables and power cables is avoided Signal cables and power cables may only cross ...

Page 41: ...h the entire cross section of the conductor but predominantly on the outer skin of a conductor Please observe the following points Always connect the shield over a large area using metal cable clips Avoid placing the shield on the ground with long wires Pre Fuse ATTENTION NOTE THE RATED CURRENT OF THE RELEASE CIRCUIT K1 AND ADD IT TO THE FOLLOWING VALUES THE FOLLOWING VALUES ARE ONLY FOR THE EX P ...

Page 42: ...otect the Ex p control unit from premature failure due to the overvoltage that occurs when the current flowing through an inductive load is interrupted In addition protective circuits limit the electrical disturbances that occur when switching inductive loads Protective circuit for AC supplied inductive loads This circuit variant is used for inductive loads AC voltage fed relays contactors In this...

Page 43: ...Electrical connections Ex p Control unit APEXpy Page 42 of 96 01 37A2 7D0006_py_Manual_Exp Control Unit_20210923_a_en docx Rev 0 Electrical wiring APEX ...

Page 44: ...ive protective measure the supply voltage is protected by a fuse min 1500 A breaking capacity and an FI current circuit breaker EMC compliant wiring Internal electronics can be disturbed by missing EMC measures and cause unforeseen shutdowns Loop the supplied ferrite sleeve into the power supply See EMC compliant wiring An der Klemmreihe X3 wird die Versorgungsspannung angeschlossen Mounting ferri...

Page 45: ...s or destruction of the electronics by inductive loads The Ex p enable Relay K1 X8 terminal 2 and 3 can only be operated in conjunction with a mains fuse max 5 A 1 500 A switching capacity fast Supplement inductive loads with suitable interference suppression measures See chapter 6 1 4 The supply voltage is connected to terminal row X8 The application within the pressurized enclosure is enabled by...

Page 46: ...ly open contact 7 K2_3 NO Normally open contact 8 K2_4 NO Normally open contact Terminal row X7 ATTENTION MATERIAL DAMAGE DUE TO INCORRECT PRE FUSING Valve or Ex p control unit may be damaged Operate the digital purge gas valve only with a 1 0 A pre fuse and the proportional purge gas valve only with a 1 6 A pre fuse The terminal row X7 is used to connect the purge gas valve and the accompanying v...

Page 47: ...ional 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 Furthermore the terminal points 6 9 are intended for the LAN connection cable Terminal Connection Function 1 Pre fuse Connection pre fuse valve 2 Pre fuse Connection pre fuse valve 3 Valve conductor valve 4 Valve GND valve 5 Valve PE PE valve Connection of the origi...

Page 48: ...hat there will not be any explosive atmosphere for the duration of the commissioning or if the necessary precautions have been taken to protect against the risk of explosion fire permit A marking on the bypass key switch that the Ex protection will no longer exist if the key switch is activated must be affixed in the direct vicinity of the key switch The bypass key switch can be connected separate...

Page 49: ...sor 1 OUT Temperature sensor connection 5 T Sensor 1 MESS Temperature sensor connection Terminal row X14 As an additional enable an enable switch can be connected after the control unit APEX has given the enable This function gives the enable when the control unit is enabled and the main switch is activated The main switch does not require a combination of resistors The temperature sensor can be a...

Page 50: ... point values on the device It must only be connected during the deliberate modification of parameters 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 Settings for the sensor are mad...

Page 51: ...unctions can be executed at the optional current input as standard Firstly an additional pressure sensor can be connected or a current signal can be used to trigger purging without deactivation Pressure sensor for additional pressure monitoring The function is set via the WEB interface Pressure or gas sensors with 4 20 mA output can be connected to the sensor input OS 2 Ex ia The signal is process...

Page 52: ...functions can be executed at the optional current input as standard Firstly an additional pressure sensor can be connected or a current signal can be used to trigger purging without deactivation Pressure sensor for additional pressure monitoring The function is set via the WEB interface Pressure or gas sensors with 4 20 mA output can be connected to the sensor input OS 1 Ex ib The signal is proces...

Page 53: ...MI BK Power supply 2 GND WH Ground connection 3 HMI_RX RD Data cable 4 HMI_TX YE 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 Terminal Connection Wire Function 1 SCL_H1 WH Data cable 2 SDA_H1 BN Data cable 3 3V3_H1 GN Power supply channel 1 4 SCL_H2 YE Data cable 5 SDA_H2 GY Data cable 6 3V3_...

Page 54: ... p control station is supplied with a fixed IP address as standard Standard IP address factory default 192 168 11 101 The following options are available to establish a connection between laptop and PC Laptop 192 168 11 99 255 255 0 0 Direct Indirect USB LAN interface converter Ex p Control Unit 192 168 11 101 Adjusting the LAN connection Settings for the LAN interface on the PC or converter manag...

Page 55: ...on and select Advanced Select the Speed Duplex function in the left hand Property box Set the value in the right hand Value box to 100 Mb Full Duplex by clicking and selecting this in the drop down menu Confirm changes by clicking OK Call up Internet Protocol Version 4 TCP IP4 with a double click Properties of internet protocol Version 4 TCP IPv4 Click to change Obtain IP address automatically to ...

Page 56: ...us query and messages are possible Level 2 User access User ID user Password 0000 NB Settings can be changed in conjunction with a set programming switch Navigation in the WEB interface By clicking on the left hand grey navigation bar you can jump directly to specific submenus The relevant icons for the submenus are arranged to the left of this The icon to log out is found in the bottom left hand ...

Page 57: ...s Enter value 250 Press the Enter key to confirm The following window opens This is to confirm and check the changed parameter value LED Indicators LED Color Function p1 Green Minimum pressure Lights up when the minimum pressure is exceeded p2 Yellow Pre alarm Lights up when the value falls below the set value p3 Green Purge pressure Lights up during rinse phase and exceeds set point value p4 Red ...

Page 58: ...ce integrated in the Ex p control unit shows the following menu structure Ex p Parameter Info File Settings Purge parameter Purge modi Pressure parameter Characterisitic Enclosure parameter Start page Status Messages Parameter Error log Temp Sensors Temp Sensor 1 Temp Sensor 2 Temp Sensor 3 Extended Valves Relays Units Sensors Display Password Network Language ...

Page 59: ... Fixed purge time of the Ex p equipment Delay time Defines the delay time for switching off the Ex p operating equipment in the event of pressure variation Purge factor Parameter for the number of purges of the Ex p volume for automatic purge time averaging The automatic purge calculates automatically the corresponding purging time during the initial purging phase based on the parameters enclosure...

Page 60: ...s exceeded Purge time stops when p5 is reached Ex p active after Ex p inactive after Ex_pD_1 Dust No No No po p1 po p1 po p4 Ex_pD_2 Dust No No No po p1 po p1 Pressure parameter The system pressures of the Ex p equipment are defined in the Pressure parameter submenu po Operating pressure Pressure value at which control takes place during the operating phase p1 Minimum pressure Shut off value if th...

Page 61: ...rocess takes place with too low purge gas flow and there is a risk of residual explosive gases within the Ex p equipment Check type and set characteristic 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 Characteristi...

Page 62: ...o low purge gas flow and there is a risk of residual explosive gases within the Ex p equipment Check enclosure size and volume For automatic purge time determination the size of the protected volume must be set in the Ex p control unit This is done by entering the width height and depth in mm Start page You can quickly return to the start page via the Info Start page menu Furthermore all system in...

Page 63: ...essages In the Info Messages menu the current system status is displayed as a plain text message Green messages Positive Yellow messages Warning Red messages Error messages Parameter Within the Save Parameters menu parameters from the Ex p control unit can be saved on a local computer or transferred from the local computer to the Ex p control unit Upload Transfer local parameter set to the Ex p co...

Page 64: ...u T sensors up to three PT100 1000 sensors can be configured Various functions can be executed in the control sequence for the recorded temperature This function can be used e g for monitoring frequency converters Parameters Parameter Function Temperature actual Displays the measured temperature Temperature switching value 1 The assigned function is executed on exceeding the switching value Temper...

Page 65: ...h Log into the WEB interface at the user level Select the Extended sensors menu Activate the corresponding button for the required temperature sensor e g temperature sensor 1 by clicking PT100 or 1000 Manual button changes to Confirm the pop up window with changed value Select the display unit in C or F by clicking and activating the button Display changes to Confirm the pop up window with changed...

Page 66: ...ge function Withdrawal of the enable for the Ex p equipment and the issuing of a plain text alarm message Confirm the pop up window with changed value Extended Valves Im Menüpunkt Ventile können das am Ex p Steuergerät angeschlossene Spülgasventil eingestellt werden Der Auslieferungszustand ist in der Einstellung Digitalventil Das jeweils aktivierte Spülgasventil ist mit folgendem Zeichen gekennze...

Page 67: ...e assigned to each relay The delivery state is in the setting switch with K1 The respectively activated switching function is marked with the following sign Messages with a minus sign indicate that the relay is activated when falling below a set level Messages with a plus sign indicate that the relay is activated when exceeding a set level Procedure Connect the computer to the Ex p control unit Ac...

Page 68: ...he APEX Ex p control unit with additional pressure monitoring is based on the standard version Purging and the operating phase takes place in the same way The difference to the standard version is seen during the operating phase the control unit uses two optionally connected pressure sensors to additionally monitor the equipment in terms of minimum pressure during the operating phase Procedure Con...

Page 69: ...Ex p equipment remains in the operating phase and purging can also be repeated In order to use this function the additional purging function must be activated for the corresponding current input in the Extended sensors parameters menu 4 mA purging with active operating phase 7 mA normal operating phase Procedure Connect the computer to the Ex p control unit Activate the programming switch Log into...

Page 70: ...ssword 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 It is also possible to activate a DHCP mode Menu Language In the Language menu the system language can be selected between German and English ...

Page 71: ...screen provides an initial overview of the status of the Ex p system In the upper left area the set values for po and p3 and the corresponding measured values are displayed Furthermore plain text messages pressure diagram and in the case of opt connected temperature sensors the values are displayed Additional information or download display of the error memory can be done by logging into the user ...

Page 72: ...trol room can be retrieved using the URL http ip addr info_operator json e g http 192 169 1 101 info_operator json The username and password must be entered Login operator Password operator Reply from the control unit Code table Key ID Parameter Unit _0x0401 Operating pressure po setpoint Pa _0x0101 Operating pressure po actual Pa _0x0402 Minimum pressure shutdown pressure level Pa _0x0403 Pre ala...

Page 73: ...s Setting is to be performed in case of automatic flushing Parameterization of purge gas valve For the Ex p control unit purging gas valves are available in the Proportional or Digital version The difference between the two purging gas valve types is the mode of operation Digital purging gas valve on off valve Leakage air compensation takes place via the setting of the manually adjustable leakage ...

Page 74: ...ed equipment activate purge gas supply Read off the resulting internal pressure on the gauge If the internal pressure is too low increase the amount of purge gas at the leakage air needle valve This is done by turning counterclockwise If the internal pressure is too high reduce the amount of purge gas at the leakage air needle This is done by turning the leakage air needle clockwise Configuration ...

Page 75: ... clicking the left button Purge program Ex_p_1 by clicking the button Button changes from to Confirm pop up window with changed value Purge mode should be set to Manuel for the purge described here Setting the Purge time The procedure described here for determining the purging time is based on the principle of manual purging time calculation Assumptions for the determination of the purge time All ...

Page 76: ...es to the internal pressure to 7 8 of p5 when a proportional valve is used Means that with this setting the internal pressure during the purging phase is 17 5 mbar If 20 mbar is exceeded during the purging phase the purging gas valve is closed The further behavior depends on the setting of the purge mode Deactivate programming switch Ex p Control unit changes from programming mode to control monit...

Page 77: ...ogramming switch Login to the WEB interface with the user level Call up the Purge parameter Pressure parameter menu Enter and confirm the po operating overpressure parameter e g 250 Pa 2 5 mbar The value po is the internal operating overpressure of the pressurized enclosure This value is monitored by the Ex p control unit and compensated if necessary Pop up window with display changed value opens ...

Page 78: ...the further phases are initiated is that po p1 is Procedure Connect PC with Ex p control unit activate programming switch Logging into the WEB interface with the user level Call up the Purge parameter Purge mode menu Select purge program by clicking the left button Purge program Ex_p_1 by clicking the button Button changes from to Confirm pop up window with changed value Activate the purge mode to...

Page 79: ...h Login to the WEB interface with the user level Call up the Purge parameter Pressure parameter menu Enter and confirm the po operating overpressure parameter e g 250 Pa 2 5 mbar The value po is the internal operating overpressure of the pressurized enclosure This value is monitored by the Ex p control unit and compensated if necessary Pop up window with display changed value opens Confirm pop up ...

Page 80: ...ressure monitor installed is defined in the Characteristics tab This must be correctly adjusted in order to correctly calculate the purge time The pressure monitor used can be selected by clicking the button The selection table is described in chapter 7 8 1 3 Setting the Ex p parameters enclosure parameters If the Ex p control unit is in programming mode parameter switch has been activated and a p...

Page 81: ...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_pD_3 Ex_M_1 and Ex_M_2 are special purge modes which must not be used for standard applications Within the Purge parameter Purge mode web interface the purge mode as well as the sequence control can be adjusted The precondition for all purge...

Page 82: ... Pa p1 1 0 mbar 100 Pa p2 1 2 mbar 120 Pa p3 not applied for dust applications p4 5 0 mbar 500 Pa P5 5 0 mbar 500 Pa Procedure Connect PC with Ex p control unit activate programming switch Login to the WEB interface with the user level Call up the Purge parameter Pressure parameter menu Enter and confirm the po operating overpressure parameter e g 250 Pa 2 5 mbar The value po is the internal opera...

Page 83: ...ust two because the purge phase is replaced here by manual cleaning Ex p control flow chart DANGER RISK OF DEATH OR SERIOUS INJURY WHEN INCORRECTLY SETTING THE PRESSURE PARAMETERS Risk of an explosion Set the pressure parameters carefully and conduct a functional test With the previous chapters the required parameters and functions were defined and stored to the control unit The following paramete...

Page 84: ...equipment po Shutdown when pressure falls below minimum p1 Pre alarm for minimum pressure p2 Maximum pressures during operation and purge p4 and p5 depending on applied rinsing program The Ex p control executes the following sequence during commissioning Activation Safety state Ex p Control Unit Pre Purge Condition fullfilled Ex p Control Unit Purge time counts down Ex p Control Unit Ex p Equipmen...

Page 85: ...enance work Maintenance intervals MAINTENANCE INTERVALS Maintenance according to the following maintenance schedule is recommended in the case of proper operation observing the installation instructions and ambient conditions ATTENTION MAINTENANCE AND CARE The currently applicable regulations and the national provisions must be observed for maintenance service and inspection of the equipment Opera...

Page 86: ... In the case of anomalies the operator should weigh up the possibility of a timely and proper cleaning by BARTEC GmbH against a spontaneous failure of the control unit 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 G...

Page 87: ... not flash during purging time No purging gas Check purging gas valve for the presence of supply voltage Purging gas valve does not open or opens only partially Check purging gas valve for foreign particles in the mechanical part Increase inlet pressure to set point value An insufficient amount of purging gas flows through the Ex p enclosure Check purging gas nozzle for correct value Check set poi...

Page 88: ... higher than the switching value p4 Reduce the flow rate of the air leak needle Switching value p4 too low Check switching value p4 Pressurized enclosure leaking switching value p1 not reached Seal pressurized enclosure The control unit switches off the electrical devices after the purging time with a time delay Leakage air needle of digital valve too small Increase the air flow rate of the leakag...

Page 89: ...ol unit has successfully completed the purging process The main switch or bridge HS_IN HS_OUT is closed and enabled 00000004 p3 reached The set point value p3 purging flow is reached and the purging time counts down Warning messages Status Code Plain text 00000005 Bypass active The bypass is activated on the control unit 00000006 Door contact main switch open The main switch or bridge HS_IN HS_OUT...

Page 90: ...00000013 Sensor fault 2 HW test error opt current sensors 00000014 Sensor fault 3 HW test error ext temperature sensors 00000015 p1 not reached The set point p1 Min pressure has not been reached 00000016 p3 not reached The set point p3 Purging pressure has not been reached 00000017 p4 exceeded The set point p4 Maximum pressure operation is exceeded 00000018 p5 exceeded The set point p5 Maximum pre...

Page 91: ...t 24 Vdc to 44 Vdc 10 Mains voltage AC variant 100 Vac to 230 Vac 10 Power consumption electronics 0 5 A 1 5 A Maximum power consumption 15 W incl purging valve Enable relay K1 SIL 2 non floating NO contacts 230 Vac 5 A AC1 or 24 Vdc 5 A DC1 Enable relay K2 SIL Floating 4 x NO 230 Vac 3 A 24 Vdc 3 A Signal relays K3 and K4 Floating 1x changeover contact 230 Vac 1 A 24 Vdc 1 A Pressure range 0 25 m...

Page 92: ...016 Valve fuse 1 6 A Application for proportional purging gas valve 05 0080 1017 Purge gas valve Digital purge gas valve brass DC 24 V 05 0056 0073 Proportional purge gas valve brass DC 24 V 05 0080 0081 Operator panel Permanently wired and installation 17 51P5 0111 Permanently wired and add on mounted 17 51P5 1111 Mobile with plug in connector 17 51P5 2111 Installation accessories Hose d 4 mm pol...

Page 93: ...2 of 96 01 37A2 7D0006_py_Manual_Exp Control Unit_20210923_a_en docx Rev 0 13 Annex Purge diagram 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 0 5 10 15 20 25 30 35 40 p3 Pa Q m h 1x 17 51P3 1603 2x 17 51P3 1603 ...

Page 94: ...Ex p Control unit APEXpy Annex Rev 0 01 37A2 7D0006_py_Manual_Exp Control Unit_20210923_a_en docx Page 93 of 96 Sequence diagram ...

Page 95: ...nit APEXpy Page 94 of 96 01 37A2 7D0006_py_Manual_Exp Control Unit_20210923_a_en docx Rev 0 Dimensions Ex p control unit APEXpx 07 37A2 2111 520 Image not true to scale Pressure outlet 17 51P3 1603 Image not true to scale ...

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

Page 97: ...Declaration of conformity Ex p Control unit APEXpy Page 96 of 96 01 37A2 7D0006_py_Manual_Exp Control Unit_20210923_a_en docx Rev 0 14 Declaration of conformity Ex p control unit APEX Type 07 37A2 1 1 ...

Page 98: ...bartec com BARTEC BARTEC GmbH Max Eyth Str 16 97980 Bad Mergentheim Germany Phone 49 7931 597 0 info bartec com 01 37A2 7D0006 ESS 452086 ...

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

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