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Ex p Control Unit

SIEMENS Set

Safety

Rev. 0

01-37A2-7D0004_SIEMENS_Manual_Exp-Control-Unit_20220216_0_en.docx

Page 15 of 80

Disclaimer: We reserve the right to make technical changes. Changes, errors and printing errors do not justify claims for damages.

Marking and test certificate

Ex p control unit APEX, type 07-37A2-3211/2726

ATEX (Europe)

Marking

II 2(1)G Ex eb mb ib [ib pxb] [ia Ga] IIC T4 Gb

EU-Type Examination Certificate

BVS 19 ATEX E 015 X

IECEx (International)

Marking

Ex eb mb ib [ib pxb] [ia Ga] IIC T4 Gb

IECEx Certificate of Conformity

IECEx BVS 19.0038X

Ex e control station, type 07-3107-2512/0639

ATEX (Europe)

Marking

II 2G Ex db eb ib IIC T4 Gb

EU-Type Examination Certificate

IBExU 12 ATEX 1099 X

IECEx (International)

Marking

Ex db eb ib IIC T4 Gb

IECEx Certificate of Conformity

IECEx IBE 12.0031 X

Standards complied with

Ex p control unit APEX, type 07-37A2-3211/2726

Standard

Designation

EN IEC 60079-0:2018/AC:2020
IEC 60079-0:2011 Edition: 6.0

Explosive atmospheres – Part 0: General
requirements

EN 60079-2:2014
IEC 60079-2:2007 Edition: 5.0

Explosive atmospheres - Part 2: Equipment
protection by pressurized enclosure “p”

EN 60079-7:2015/A1:2018
IEC 60079-7:2006 Edition: 4.0

Explosive atmospheres - Part 7: Equipment
protection by increased safety “e”

EN 60079-11:2012
IEC 60079-11:2011 Edition: 6.0

Explosive atmospheres - Part 11: Equipment
protection by intrinsic safety “i”

EN 60079-18:2015/A1:2017
IEC 60079-18:2014 Edition: 4.0

Explosive atmospheres - Part 18: Equipment
protection by cast encapsulation “m”

EN 60079-31:2014
IEC 60079-31:2013 Edition: 2.0

Explosive atmospheres - Part 31:
Equipment dust ignition protection by enclosure “t”

EN 61010-1:2010
IEC 61010-1:2010 Edition 3.0

Safety requirements for electrical equipment for
measurement, control and laboratory use – Part 1:
General requirements

EN 61000-6-4:2007 + A1:2011
IEC 61000-6-4:2018 Edition 3.0

Electromagnetic compatibility (EMC) –
Part 6-4: Generic standards – Emission standard
for industrial environments

Содержание Ex p Control Unit APEX

Страница 1: ...Manual Ex p Control Unit APEX Set SIEMENS ...

Страница 2: ...ion ATEX IECEx Zone 1 Ex px Purge Unit Type 05 0089 0076 Consisting of Ex px Control Unit APEX type 07 37A2 3211 2726 Ex e Control Station type 07 3103 2512 0639 Ex p Purge Unit Type 05 0089 0077 Consisting of Ex px Control Unit APEX type 07 37A2 3211 2726 Ex e Control Station type 07 3103 2512 0639 p Operator Panel type 17 51P5 1111 Document number 01 37A2 7D0004 Revision 0 Order number 449903 ...

Страница 3: ...2 of 80 01 37A2 7D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Rev 0 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages ...

Страница 4: ...2 General 12 Safety 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...

Страница 5: ...Programming cable 22 4 Transport and storage 23 Scope of delivery 23 Packaging 23 Transport 24 Storage 24 Disposal 24 5 Installation 25 Installation of the Ex p control unit type 07 37A2 3211 2726 25 Installation of the Ex e control station type 07 3103 2512 0639 25 Installation of the purge gas supply 26 Pneumatic connections 27 Pneumatic overview 28 Typical installation 29 6 Electrical connectio...

Страница 6: ... information 55 Pre Configuration Ex p control unit SIEMENS Set 56 Purge phase 56 Dilution phase 56 Configuration of system accessories 57 Temperature sensors setting 57 K2 K3 K4 relay setting 59 OS 1 OS 2 sensor input setting 60 Start up Ex p System 62 9 Function check and sequence 63 Safety during operation 63 Function flow diagram of the Ex p control unit 63 Flow diagram of the Ex p control uni...

Страница 7: ...X 73 Ex e control station 73 Valve fuse 73 Operator panel 73 Optional cradle relay 73 Accessories 73 13 Appendix 74 Flow chart 74 Software packages used 74 Dimensions 75 Dimensions Ex p control unit APEX type 07 37A2 3211 2726 75 Drilling pattern APEX type 07 37A2 3211 2726 75 Dimensions Ex e control station type 07 3103 2512 0639 76 Drilling pattern Ex e control station type 07 3103 2512 0639 76 ...

Страница 8: ...ns and warnings described in this manual are preconditions for safe installation 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 e...

Страница 9: ...th or serious injuries with permanent damage WARNING WARNING indicates 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 o...

Страница 10: ...safe functions according to IEC 61508 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 Disclaimer We reserve the right to make technical...

Страница 11: ...le operating data of the device used must be observed 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 cau...

Страница 12: ...test Warranty and liability claims for personal injury and damage to 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 ma...

Страница 13: ... specified temperature range see Chapter General technical data Avoid exposure to moisture Safety instructions for operation Commissioning Before commissioning check that all components and documents are available Inspection Under EN IEC 60079 17 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 conditi...

Страница 14: ...nment data you must verify the parameters Only then will the device 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...

Страница 15: ...manufacturer the point of sale or to public collection points set up 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 Obl...

Страница 16: ...tandard Designation EN IEC 60079 0 2018 AC 2020 IEC 60079 0 2011 Edition 6 0 Explosive atmospheres Part 0 General requirements EN 60079 2 2014 IEC 60079 2 2007 Edition 5 0 Explosive atmospheres Part 2 Equipment protection by pressurized enclosure p EN 60079 7 2015 A1 2018 IEC 60079 7 2006 Edition 4 0 Explosive atmospheres Part 7 Equipment protection by increased safety e EN 60079 11 2012 IEC 60079...

Страница 17: ... for measurement control and laboratory use EMC requirements Part 1 General requirements EN ISO 13849 1 2015 Safety of machinery Safety related parts of control systems Part 1 General principles for design EN ISO 13849 2 2012 Safety of machinery Safety related parts of control systems Part 2 Validation DIN EN 62061 2016 IEC 62061 2015 Safety of machinery Functional safety of safety related of elec...

Страница 18: ...ure probability of the defined safety function Safe parameter assignment with non safe operating environment Re test The SIL qualification of components is documented in this manual All safety relevant characteristic data required by the user and the planner for project planning and operation of the safety instrumented system are summarized in this chapter Further SIL relevant information is integ...

Страница 19: ...ys 92 85 MTTFd 76 Yr DC 88 78 Device type B complex equipment Interval of retests 1 year Category 3 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 This results in a delay time of TReacti...

Страница 20: ...ntinuous operating flow For this purpose the APEX control unit operates according to the procedure described in EN 60079 2 chapter 13 3 In this process the Ex p control unit purges the protected volume and then safely prevents the occurrence of a dangerous concentration of explosive gas mixtures by means of a continuous operating flow Due to the higher pressure inside the protected volume compared...

Страница 21: ...ss fibre reinforced polyester In this enclosure variant the associated pressure measuring card as well as purge gas control and purge gas outlet are integrated Ex p control units of this enclosure variant are mounted separately from the pressurized enclosure In terms of explosion protection the enclosure provides Ex protection for gas Item Designation Control electronics APEX Protection enclosure ...

Страница 22: ...tivation of the bypass operation The Ex e control station has a bypass key switch and an indicator light that shows when bypass operation is activated Internally a MODEX cradle relay can be integrated if required Variant Ex control station type 07 3103 2512 0639 The enclosure of the Ex e control unit is made of glass fibre reinforced polyester In terms of explosion protection the enclosure provide...

Страница 23: ...kets it can be used both as an add on or installation It can be connected or disconnected during operation and it is therefore not necessary for it to be permanently connected to the control unit Use of the p operator panel is described in separate operating instructions Programming enable The programming bridge must be connected to the control unit in order to change parameters and switching valu...

Страница 24: ... delivery note As standard each Ex p control unit is delivered with the following scope of delivery Set SIEMENS Set SIEMENS 7MB8000 7CA 7MB8000 7CB Ex p Control Unit APEX Type 07 37A2 3211 2726 Ex p Control Unit APEX Type 07 37A2 3211 2726 Ex Control Station Type 07 3103 2512 0639 Ex Control Station Type 07 3103 2512 0639 p Operator Panel Type 17 51P5 1111 Set connection cable Set connection cable...

Страница 25: ...Y The Ex p control unit may be damaged Only use hoists and load handling attachments with sufficient load bearing capacity The permissible lifting weight of a lifting device may not be exceeded Slowly set down the control unit Observe the weight of the goods to be transported and select an adequate transport device Storage Store the control unit in a horizontal position and at a temperature of 20 ...

Страница 26: ... the following sections unless otherwise agreed for customer specific control units Installation of the Ex p control unit type 07 37A2 3211 2726 Install the Ex p control unit at the intended position using the fixing options on the enclosure M6 screws with corresponding locking elements can be used as fixing material The accompanying drilling pattern is provided in the Appendix Installation of the...

Страница 27: ...onnected upstream The pressure reducer and the double nipple are not included in the scope of delivery The pressure reducer for reducing the supplied purge gas pressure is mounted on the outside of the Ex p control unit APEX For this purpose a bulkhead fitting with a G1 4 internal thread is attached to the enclosure The installation of the purge gas supply is shown below The required installation ...

Страница 28: ...es Pneumatic connections The Ex p control unit type 07 37A2 3211 2726 provides the following pneumatic connections Connection Designation Remark 1 Purge gas supply G1 4 i 2 Purge gas feed Ex p G1 4 i 3 Purge gag return Ex p G1 4 i 4 Purge gas outlet M36 inner thread a Setting of purge gas volume Throttle valve b Setting of continuous purge Throttle valve c Pressure measurement Changes not allowed ...

Страница 29: ...NS Set Page 28 of 80 01 37A2 7D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Rev 0 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages Pneumatic overview ...

Страница 30: ...ONS DUE TO INCORRECT INSTALLATION The Ex p control may have impairments in function Always mount the Ex p control unit upright on a wall The following figure shows the typical installation of the Ex p control unit in connection with the SIEMENS analysis system Blue lines are purge gas connections and grey lines are electrical connections Item Designation 1 Ex p control unit type 07 37A2 3211 2726 ...

Страница 31: ...sconnect mains protect against unintended reconnection verify the absence 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 Purge gas valv...

Страница 32: ...o a terminal Lay the wires only in the space between the shield bus 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 closing the control unit APEX cleanliness seat and integrity AVOID RAPID DISCONNECTION AND RECONNECTION OF THE POWER SUPPLY Internal prote...

Страница 33: ...e part of the safe operation of the Ex p control unit under EMC influences is ensured by professional clean line connections 6 1 2 1 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 overcouplings between signal data cable...

Страница 34: ...gest possible surface area not cross section are important High frequency currents do not flow through 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 ...

Страница 35: ... signals Destroy the Ex p control unit Protective circuits protect 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 6 1 4 1 Protective circuit for AC supplied inductive loads This circuit variant...

Страница 36: ...ons Rev 0 01 37A2 7D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Page 35 of 80 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages Electrical wiring Ex px Purge Unit ...

Страница 37: ...h the printed value of the control unit Active protective measure As an active 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 a lack of EMC measures and cause unforseen shutdowns Loop the supplied ferrite sleeve into the power supply See EMC compliant wiring Th...

Страница 38: ...ntact 6 2 1 3 Terminal row X8 ATTENTION MATERIAL DAMAGE DUE TO OVERCURRENT IN THE CONTROL ELECTRONICS Welding the enable relays 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 The supply voltage is connected to terminal row X8 Terminal Connection Function 1 PE PE power supply 2 L Enable phase Ex p device 3 N...

Страница 39: ... Normally open contact 5 K2_1 NO Normally open contact 6 K2_2 NO Normally open contact 7 K2_3 NO Normally open contact 8 K2_4 NO Normally open contact 6 2 1 5 Terminal row X7 ATTENTION MATERIAL DAMAGE DUE TO INCORRECT PRE FUSING Valve or Ex p control unit 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 term...

Страница 40: ...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 purge gas valve and the accompanying valve fuse Furthermore the terminal points 6 9 are intended for wires of the LAN connection cable Terminal Connection Function 1 Pre fuse Connection pre fuse valve 2 Pre fuse Connection pre fuse valve 3 Valv...

Страница 41: ...actory manager or his representative Approval may only be given if it has been ensured that 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 ...

Страница 42: ...IN Temperature sensor connection 4 T Sensor 1 OUT Temperature sensor connection 5 T Sensor 1 MESS Temperature sensor connection 6 2 2 2 Terminal row X14 As an additional enable an enable switch can be connected after the control unit APEX has given the enable The additional enable is provided with a bridge as standard This function gives the enable when the control unit is enabled and the main swi...

Страница 43: ...nable must be connected and activated in order to change settings and setpoint 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 te...

Страница 44: ...nit The external sensors must meet the requirements placed on SIL 2 Two 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 purge without deactivation Pressure sensor for additional pressure monitoring The function is set via the WEB interface Pressure or gas sensors with 4 20 mA outpu...

Страница 45: ... unit The external sensors must meet the requirements placed on SIL 2 Two 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 purge without deactivation Pressure sensor for additional pressure monitoring The function is set via the WEB interface Pressure or gas sensors with 4 20 mA out...

Страница 46: ...d to the terminal row X17 Terminal Connection Wire Function 1 3V3V_HMI BK Power supply 2 GND WH Ground connection 3 HMI_RX RD Data cable 4 HMI_TX YE Data cable 6 2 2 7 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...

Страница 47: ...states can be requested via the WEB interface WEB interface The Ex p control unit is delivered with a fixed IP address as standard Standard IP address delivery status 192 168 11 101 The following options are available for establishing 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 Setting the LAN conn...

Страница 48: ...button Select internet protocol version 4 TCP IP4 with double click Properties of internet protocol Version 4 TCP IPv4 Click to change Automatically obtain IP address to Use following IP address Enter IP address 192 168 11 50 for IP address Enter subnet mask 255 255 0 0 Confirm entry with OK Use the Configure button to open settings for the network adapter In the left field Property click the func...

Страница 49: ... access User ID guest Password guest NB No change of settings possible Language change and query status and messages possible Level 2 User access User ID user Password 0000 NB Settings can be changed when the programming switch is set Navigating the WEB interface Clicking on the grey navigation bar on the left enables you to jump directly to the specific submenus To the left are the icons for the ...

Страница 50: ...er e g po operating pressure 2 5 mbar 250 Pa Enter parameter Enter value 250 Confirm with the Enter key The following window opens This is to confirm and check the changed parameter value LED indicators LED Colors 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 u...

Страница 51: ...Changes errors and printing errors do not justify claims for damages WEB interface 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 ...

Страница 52: ... not justify claims for damages Display menu The contrast and brightness of the LCD display on the p operator panel can be set in the Display tab Passwort menu A new password for the guest and user can be stored in the Password tab Network menu All network specific settings can be made in the network menu As standard the Ex p control unit is set to a static IP address The possibility also exists t...

Страница 53: ...ntering the IP address 192 168 11 101 Log in to web interface User ID guest Password guest Confirm with Enter start screen opens Status Shows the target values and measured actual values A pressure time diagram is also shown Messages Displays plain text messages about the system status Click to open status Click to open messages Top area List of setpoint values with comparison of actual values Low...

Страница 54: ...o not justify claims for damages Requesting purge status Procedure for requesting system status Log in to the WEB interface by opening the browser and entering the IP address 192 168 11 101 Log in to web interface User ID guest Password guest Confirm with Enter Start screen opens Click to open dilution screen Dilution screen opens The upper area shows the accompanying setpoints The lower area show...

Страница 55: ...equested via the URL http ip addr info_operator json e g http 192 169 1 101 info_operator json The user name password must be entered User name operator Password operator Reply from the control unit szFileName info_operator json _0x0401 49 _0x0101 1 _0x0402 65 _0x0403 150 _0x1001 300 _0x0201 1 _0x0501 2000 _0x0502 1500 _0x1312 0 _0x132A 0 _0x0602 0 Code table Key ID Parameter Unit _0x0401 Operatin...

Страница 56: ...s OXYMAT 6F ULTRAMAT 6F and CALOMAT 62F and certificate SIEMENS TÜV 01 ATEX 1708X The settings are preset for operation from one gas analyzer If the Ex p control unit is in programming mode parameter switch activated and password entered the display of the pressure values is in Pa Settings are made in Pa General information The user settings are limited to the additional settings such as messages ...

Страница 57: ... completed the operating phase of the protected equipment is initiated and the equipment is purged with the specified minimum quantity of purge gas Procedure Purge phase Manual purge is based on the fact that the values for purge time and pressures are permanently stored in the device The set values must be exceeded or fulfilled for the Ex p control to run correctly Dilution phase After purge is c...

Страница 58: ...rs Function Temperature actual Display of the measured temperature Temperature switching value 1 If the switching value is exceeded the assigned function will be executed Temperature switching value 2 If the switching value is exceeded the assigned function will be executed Temperature switching value 3 If the switching value is exceeded the assigned function will be executed Switching hysteresis ...

Страница 59: ...1 menu Signaling for active sensor is displayed by way of the green indicator Store switching value 1 e g 25 C Confirm pop up window with altered value Store switching value 2 e g 35 C Confirm pop up window with altered value Store switching value 3 e g 60 C Confirm pop up window with altered value Store switching hysteresis e g 5 K Functions are activated or deactivated with a hysteresis of 5K Se...

Страница 60: ...e signal relays K3 and K4 The switching points can be assigned to the relays K2 K3 and K4 in the Extended Relay menu multiple selection is possible Where messages have a minus sign this shows that the relay is activated if the value falls short Where messages have a plus sign this shows the relay is activated if the value is exceeded Procedure Connect computer with Ex p control unit Activate progr...

Страница 61: ...connectable pressure sensors during the operating phase the operating media are at minimum pressure Procedure Connect computer with Ex p control unit Activate programming switch Log in to the WEB interface with the user level Select Extended Sensors menu In the table displayed you can activate the pressure sensor function current sensor 1 or current sensor 2 Additionally the minimum and maximum me...

Страница 62: ...unction the additional purge function must be activated in the Extended Sensors parameter menu for the corresponding current input 4 mA purge with active operating phase 7 mA normal operating phase Procedure Connect computer with Ex p control unit Activate programming switch Log in to the WEB interface with the user level Select the Extended Sensors menu In the table displayed you can activate the...

Страница 63: ...y The mounted pressure reducer is set to a minimum of 2 bar and a maximum of 3 bar The purge gas entering via the operating flow causes a pressure increase LED p2 goes off LED p1 lights up green The purge gas valve switches to purge LED Operate flashes green Purge time runs for 5 minutes After the purge time has expired the valve switches back to operating flow LED Operate lights up green Operatio...

Страница 64: ...te the control unit safely Danger of explosion Put APEX control unit out of operation and ensure that it is not restarted Function flow diagram of the Ex p control unit The operation of a pressurized device can be divided into three phases Flow diagram of the Ex p control unit The Ex p control executes the following sequence during commissioning Activation Safety state Ex p Control Unit Pre Purge ...

Страница 65: ...µm Residual water dew point 3 C Residual oil content 1 mg m Maintenance 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 obser...

Страница 66: ...equence of the purge phase and of the operating phase should be checked Repairs Repairs on explosion protected equipment may be done only by authorized persons working in accordance with the latest development in technology and using original spare parts The applicable provisions must be observed Repairs must be carried out in accordance with EN IEC 60079 19 For SIL qualified devices only a corres...

Страница 67: ...eak compensation Control unit without function Mains voltage not available Check supply voltage Device defective Return to manufacturer The protected devices are switched on without pre purge Bypass activated Deactivate bypass Incorrect purge program activated Check purge program During pre purge the purge gas valve switches off for a short time Excessive amounts of purge gas are introduced into t...

Страница 68: ...k purge gas valve for foreign particles in the mechanical part Wait until the increased flow rate has caused the internal temperature to drop or check the set temperature switching value Main switch or bridge to the terminals Hs_In Hs_Out not connected Switch on main switch or connect bridge to terminal Hs_In Hs_Out Purge gas valve does not close Check purge gas valve for disconnected supply volta...

Страница 69: ...ch switched on Switch off key switch 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 Alarm messages are notifications that lead to the shutdown of the protected device 10 4 2 1 Positive messages Status Code Plain...

Страница 70: ...perature sensor 1 exceeded 0000000B Temperature sensor 2 exceeded The setpoint temperature value at sensor 2 is exceeded 0000000C Temperature sensor 3 exceeded The setpoint temperature value at sensor 3 is exceeded 10 4 2 3 Alarm messages Status Code Plain text 0000000D Ex p inactive The protected device is deactivated 0000000E Device fault 1 HW test error in safety processors with the exception o...

Страница 71: ...ive 00000015 p1 has not been reached The setpoint p1 Minimum pressure has not been reached 00000016 p3 has not been reached The setpoint p3 Purge pressure has not been reached 00000017 p4 exceeded The setpoint p4 Maximum pressure operation is exceeded 00000018 p5 exceeded The setpoint p5 Maximum pressure purge is exceeded 00000019 Temperature sensor 1 exceeded The setpoint temperature at sensor 1 ...

Страница 72: ...le 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 Pre pressure purge gas supply Max 3 5 bar Pressure range 0 25 mbar Tolerance range 0 25 mbar 0 4 mbar Shut down value p1 At least 50 Pa 0 5 mbar Pre set to 100 Pa 1 0 mbar Pre purge phase duration Preset to 5 minutes Purge time can be set from 1 minute to 120 minutes...

Страница 73: ...U 12 ATEX 1099 X IECEx certification IBE 12 0031X ATEX marking Ex II 2G Ex db eb ib IIC T4 Gb IECEx marking Ex db eb ib IIC T4 Gb Operating temperature range 25 C bis 50 C T4 Storage and transport 25 C bis 60 C Mains voltage AC 100 Vac bis 230 Vac 10 Control voltage 24 Vdc Front equipment 1x Key Switch Module Marking Bypass 1x Light Module Marking Bypass aktiv Cable gland 4x M20 clamp range 7 13 m...

Страница 74: ...ndard polyester housing BARTEC selection number Control unit APEX AC wide voltage range 07 37A2 3211 2726 Ex e control station Standard polyester housing BARTEC selection number Ex e control station associated with Ex px purge unit APEX 07 3103 2512 0639 Valve fuse BARTEC selection number Valve fuse 1 0 A application for digital purge gas valve 05 0080 1016 Operator panel BARTEC selection number P...

Страница 75: ...l Unit_20220216_0_en docx Rev 0 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages 13 Appendix Flow chart Software packages used The service area of hardware software of the control unit APEX uses the freeware freeRTOS ...

Страница 76: ...age 75 of 80 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages Dimensions Dimensions Ex p control unit APEX type 07 37A2 3211 2726 Illustration not true to scale Drilling pattern APEX type 07 37A2 3211 2726 Illustration not true to scale ...

Страница 77: ...docx Rev 0 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages Dimensions Ex e control station type 07 3103 2512 0639 Illustration not true to scale Drilling pattern Ex e control station type 07 3103 2512 0639 Illustration not true to scale ...

Страница 78: ...D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Page 77 of 80 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages 14 Declaration of conformity Ex p control unit APEX type 07 37A2 3211 2726 ...

Страница 79: ... Page 78 of 80 01 37A2 7D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Rev 0 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages Ex e control station type 07 3103 2512 0639 ...

Страница 80: ...et Note Rev 0 01 37A2 7D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Page 79 of 80 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages 15 Note ...

Страница 81: ...SIEMENS Set Page 80 of 80 01 37A2 7D0004_SIEMENS_Manual_Exp Control Unit_20220216_0_en docx Rev 0 Disclaimer We reserve the right to make technical changes Changes errors and printing errors do not justify claims for damages ...

Страница 82: ...BARTEC BARTECGmbH Max Eyth Str 16 97980 Bad Mergentheim Germany Tel 49 7931 597 0 Mail info bartec com bartec com ...

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