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Ex p Control unit 

SILAS

pz

 

Product description 

 

Rev. 0 

A1-37S2-7D0001_pz_Manual_Exp-Control-Unit_20210923_0_en.docx 

Page 17 of 88 

 

SILAS design, type A7-37S2-2111/*520 

 

The enclosure of variant two is available for the Ex p 
control unit SILAS 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. 

In terms of explosion protection, the enclosure provides 

Ex e protection for gas and Ex t protection for dust. 

 

 

Item 

Designation 

 

Control electronics SILAS 

 

Protection enclosure 

 

Outer earthing connection 

 

Ex e cable entry 

 

Ex i cable entry 

 

Pressure measurement connections 

Summary of Contents for SILASPZ

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

Page 2: ...Phone 49 7931 597 0 Fax 49 7931 597 480 Support info bartec de Internet www bartec de Operating Instructions Ex p Control unit SILASpz Type A7 37S2 2111 520 Stainless steel version ATEX IECEx Zone 2 2...

Page 3: ...Page 2 of 88 A1 37S2 7D0001_pz_Manual_Exp Control Unit_20210923_0_en docx Rev 0...

Page 4: ...e 10 Warranty 10 Safety instructions 11 General 11 Safety instructions for operation 11 Avoidance of damage to property 12 Short circuit due to improper connection 12 Triggering the safety function 12...

Page 5: ...ure outlet 22 Assembly Internal mounting kit type 05 0091 0275 23 Assembly External mounting kit type 05 0091 0280 24 Installation purging gas supply 25 Version G1 4 26 Version G1 2 27 Version G1 4 Du...

Page 6: ...atus 56 Messages 56 Parameter 57 Temperature sensors 57 Extended 59 Menu Network 62 Menu Language 62 System status 63 Reading container data 64 8 Commissioning 65 General 65 Sequence for the settings...

Page 7: ...oubleshooting 78 Faults 79 Error messages 81 11 Technical data 83 12 Order numbers 84 Ex p control unit SILAS standard 84 Pressure outlet module 84 Valve fuse 84 Purge gas valve 84 Operator panel 84 I...

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...

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 n...

Page 10: ...hnical 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...

Page 11: ...osion 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 obtai...

Page 12: ...e applicable national ordinances Wear suitable clothing and footwear in view of the risk of dangerous electrostatic charges Avoid exposure to heat outside the specified temperature range see Chapter G...

Page 13: ...e 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...

Page 14: ...or 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 mat...

Page 15: ...5 C Dc X Ex tc ib pz IIIC T130 C Dc X Test certificate RU DE 58 01809 21 Standards complied with Ex p control unit SILAS type A7 37S2 2111 520 Standard Designation EN IEC 60079 0 2018 AC 2020 IEC 6007...

Page 16: ...Limits Limits for harmonic current emissions equipment input current 16 A per phase EN 61000 3 3 2013 EN 61000 3 3 2013 AMD1 2017 Edition 3 1 Electromagnetic compatibility EMC Part 3 3 Limits Limitati...

Page 17: ...ntity 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 on...

Page 18: ...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...

Page 19: ...rging 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 vi...

Page 20: ...nected to the control unit in order to change parameters and switching values The control unit SILAS does not accept values which are changed without an active connected programming switch Programming...

Page 21: ...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...

Page 22: ...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...

Page 23: ...cific control units Installation Ex p control unit type A7 37S2 2111 520 Attach the Ex p control unit to the intended position using the fastening lugs on the housing M6 screws with associated locking...

Page 24: ...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 i...

Page 25: ...g 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...

Page 26: ...sizes G1 4 or 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 1x 2...

Page 27: ...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...

Page 28: ...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 S...

Page 29: ...ure 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 pres...

Page 30: ...ction 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 Hose outer...

Page 31: ...g figures show the installation of the SILASpz 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...

Page 32: ...lowing figures show the mounting of the SILASpz control unit with one or two pressure outputs The Ex p control unit is mounted inside the Ex p equipment Position Description 1 Ex p Controller 2 Mounti...

Page 33: ...llowing figures show the installation of the SILASpz 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 Contro...

Page 34: ...he following figures show the mounting of the SILASpz control unit with one or two pressure outputs The Ex p control unit is mounted inside the Ex p equipment Position Description 1 Ex p Controller 2...

Page 35: ...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 r...

Page 36: ...and 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 closin...

Page 37: ...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 shi...

Page 38: ...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 Av...

Page 39: ...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 electr...

Page 40: ...Ex p Control unit SILASpz Electrical connections Rev 0 A1 37S2 7D0001_pz_Manual_Exp Control Unit_20210923_0_en docx Page 39 of 88 Electrical wiring SILAS...

Page 41: ...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 EM...

Page 42: ...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 Supplem...

Page 43: ...t 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 pu...

Page 44: ...Page 43 of 88 Terminal row X6 The terminal row X6 is used to connect the LAN connection cable Terminal Connection Function 1 Not used 2 Not used 3 Not used 4 Not used 5 PE Connection of the original...

Page 45: ...at 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 th...

Page 46: ...r 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 SILAS has given...

Page 47: ...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 opera...

Page 48: ...I 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 th...

Page 49: ...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 P...

Page 50: ...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 me...

Page 51: ...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...

Page 52: ...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 u...

Page 53: ...e 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...

Page 54: ...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 purg...

Page 55: ...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 o...

Page 56: ...he 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 1604 Characteristic 2 2x 18 mm 2x 17...

Page 57: ...e all system information can be called up via the Status or Messages menu Status In the Info Status menu an overview of the setpoint and measured values is displayed Furthermore there is an internal p...

Page 58: ...he Ex p control unit In the menu 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...

Page 59: ...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...

Page 60: ...e 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 Men punkt Ventile k nnen das am...

Page 61: ...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...

Page 62: ...ts 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 acti...

Page 63: ...sword 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...

Page 64: ...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 mess...

Page 65: ...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...

Page 66: ...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 diff...

Page 67: ...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 i...

Page 68: ...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 Set...

Page 69: ...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 pu...

Page 70: ...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 va...

Page 71: ...he 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...

Page 72: ...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 i...

Page 73: ...pressure outlet installed is defined in the Characteristics tab This must be correctly adjusted in order to correctly calculate the purge time The pressure outlet used can be selected by clicking the...

Page 74: ...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...

Page 75: ...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...

Page 76: ...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...

Page 77: ...quipment 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...

Page 78: ...nance work Maintenance intervals MAINTENANCE INTERVALS Maintenance according to the following maintenance schedule is recommended in the case of proper operation observing the installation instruction...

Page 79: ...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...

Page 80: ...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 par...

Page 81: ...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 pre...

Page 82: ...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 t...

Page 83: ...0000013 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 000000...

Page 84: ...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 2...

Page 85: ...16 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 00...

Page 86: ...1 37S2 7D0001_pz_Manual_Exp Control Unit_20210923_0_en docx Page 85 of 88 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...

Page 87: ...Annex Ex p Control unit SILASpz Page 86 of 88 A1 37S2 7D0001_pz_Manual_Exp Control Unit_20210923_0_en docx Rev 0 Sequence diagram...

Page 88: ...10923_0_en docx Page 87 of 88 Dimensions Ex p control unit SILAS type A7 37S2 2111 520 Image not true to scale Pressure outlet type 17 51P3 1603 Image not true to scale Software packages used The serv...

Page 89: ...eclaration of conformity Ex p Control unit SILASpz Page 88 of 88 A1 37S2 7D0001_pz_Manual_Exp Control Unit_20210923_0_en docx Rev 0 14 Declaration of conformity Ex p control unit SILAS type A7 37S2 1...

Page 90: ...bartec com BARTEC BARTEC GmbH Max Eyth Str 16 97980 Bad Mergentheim Germany Phone 49 7931 597 0 info bartec com A1 37S2 7D0001 ESS 413915...

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