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Description 

 

2.5 Functional description 

 

SITRANS SL  

26

 

Operating Instructions, 12/2010, A5E01132948-04 

Purging 

The easiest way to avoid condensation and dust deposits on the sensor windows is to purge 

them, e.g. with air. Purging must be selected depending on the application. The transmitted-

light sensors can therefore be configured for the respective situation. 
The purging gas must not contain any concentrations of the measurement component. The 

presence of the gas in the sensor heads or the purging tubes may influence the measured 

concentration. 
Recommendations for suitable purging and quality requirements of the purging gases can be 

obtained from chapter Technical data (Page 181) 

 

①

 

Purging tube 

⑤

Transmitter or receiver unit: optics tube 

②

 

Process flange (customer) 

⑥

Transmitter or receiver unit: sensor head 

③

 

Inlet for purging on the process side 

⑦

Inlet for purging on sensor side if applicable 

④

 

Outlet for purging on sensor side  
if applicable 

⑧

Process interface 

Figure 2-9 

Arrangement for purging on the sensor side of the SITRANS SL 

Summary of Contents for SITRANS SL

Page 1: ...roduction 1 Description 2 Application planning 3 Installing 4 Explosion protection 5 Commissioning 6 Operation 7 Interfaces to automation systems 8 Service and maintenance 9 Alarm error and system messages 10 Technical data 11 Dimension drawings 12 Spare parts and accessories 13 Appendix A List of abbreviations B ...

Page 2: ...ntation for the specific task in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the cata...

Page 3: ...4 Design 16 2 4 1 Transmitter and receiver units 16 2 4 2 Display and control panel 19 2 4 3 Cables for connection 20 2 4 4 Inputs outputs 21 2 5 Functional description 22 2 5 1 Operating principle 22 2 5 2 Influences on the measurement 24 2 5 3 Maintenance and fault messages 28 2 5 4 Essential characteristics 29 2 6 Product characteristics 30 3 Application planning 31 3 1 Cable selection recommen...

Page 4: ... Screw terminals 48 4 3 3 Connecting cables 52 4 4 Alignment of SITRANS SL 57 4 4 1 Alignment kit 58 4 4 2 Alignment procedure 59 4 5 Purging 64 4 5 1 Sensor side purging 64 4 5 2 Process side purging 65 4 5 3 Purging set up 66 5 Explosion protection 67 5 1 ATEX 67 5 1 1 Safety information 67 5 1 2 Installation ATEX 70 5 1 3 ATEX system set up 71 5 1 4 Electric connections in the ATEX system 73 5 ...

Page 5: ... 4 1 Modbus settings 106 6 4 2 Byte and word ordering 106 6 4 3 Supported Modbus functions 107 7 Operation 109 7 1 General 111 7 2 Measurement views 114 7 3 Menu system 115 7 3 1 The menu structure 115 7 3 2 Configuration 116 7 3 3 Diagnostics 120 7 3 4 Service 122 7 3 5 Communication 125 7 3 6 Security 127 7 3 7 Language 128 8 Interfaces to automation systems 129 8 1 PROFIBUS DP interface 129 8 1...

Page 6: ...system messages 163 10 1 Alarm 163 10 2 Alarm list 170 10 3 PROFIBUS diagnosis and alarms 177 10 3 1 Diagnosis and alarm handling in PROFIBUS DP 177 10 3 2 Meaning of the diagnosis information 178 11 Technical data 181 11 1 Technical data 181 12 Dimension drawings 187 12 1 Dimensional drawings 187 13 Spare parts and accessories 191 13 1 Spare parts 191 13 2 Accessories 193 A Appendix 195 A 1 Gas f...

Page 7: ... shows the most important changes in the documentation compared to each previous edition Edition Remark 01 03 2008 First edition 02 05 2009 Revision of contents and layout Illustrations of the device have been changed due to changes of the device housing All chapters have new enhanced contents except the following chapters NEW Network and system integration NEW Process interfacing over an automati...

Page 8: ...TRANS SL 10 Operating Instructions 12 2010 A5E01132948 04 1 3 Product versions The product version number is found under the article number on the nameplate see following figure 9HUVLRQ 1R 1DPHSODWH VKRZLQJ WKH SRVLWLRQ RI WKH YHUVLRQ QR ...

Page 9: ...ctly interpreting the generally valid safety notes and warnings in this manual in each specific case and to act accordingly This manual is an inherent part of the scope of delivery despite the fact that it can be ordered separately for logistic reasons Due to the variety of technical details it is not possible to consider every single detail for all versions of the described product and for every ...

Page 10: ...pective scope of delivery is listed on the shipping documents enclosed with the delivery in accordance with the valid sales contract When opening the packaging please observe the corresponding information on the packaging material Check the delivery for completeness and undamaged condition In particular you should compare the Order No on the rating plates with the ordering data if available If pos...

Page 11: ...ntact measurement of gas concentrations in process or flue gases An analyzer consisting of transmitter and receiver unit sensors is used for each measuring point The hardware for further processing of the measured signal into a concentration value as well as the monitoring control and communication functions are integrated in these two main modules The sensors are designed for operation under hars...

Page 12: ...cations showing strong varying gas compositions Under harsh environmental conditions at the measuring point Highly selective i e mostly without cross sensitivities Special features of the SITRANS SL Little installation effort Minimum maintenance requirements Extremely rugged design High long term stability through built in maintenance free reference gas cell Real time measurements Moreover the ana...

Page 13: ...ators Iron and steel industry Applications Control of combustion processes Process optimization Plant and operator safety Process measurements in all types of power and combustion plants Process control Explosion protection Measurements in corrosive and toxic gases Quality control An overview of standard applications can be obtained from Technical data Page 181 section Standard applications ...

Page 14: ...o connect the power supply and the communication interfaces The receiver enclosure contains a local user interface LUI with an LC display which can be read through a window in the lid The LUI is normally operated via a remote control panel 2 4 1 Transmitter and receiver units Special features of the transmitter and receiver units Two in situ cross duct sensors designed as transmitter and receiver ...

Page 15: ...emote control Purging tube accessory Sensor connection cable kit accessory consisting of Receiver tube unit Sensor connection cable Receiver housing Receiver junction box Connection cable accessory Receiver junction box cable Cable gland for Ethernet cable Figure 2 2 Connection of a non Ex system with the sensor connection cable kit accessory The sensor connection cable is used to connect the tran...

Page 16: ...eceiver tube unit Receiver junction box cable Receiver housing Cable gland for Ethernet cable Connection cable solution Analog I O Modbus Transmitter junction box kit consisting of Connection cable Ex e transmitter junction box ATEX cable gland Transmitter junction box cable Connection cable solution PROFIBUS DP Mounting bracket for junction box Connection cable ATEX cable gland Figure 2 3 Design ...

Page 17: ... and device status LED backlighting of display Menu driven operation for parameterization and diagnostics Remote operation via infrared interface for safe use in hazardous zones Remote control using membrane keypad and softkeys which are easy to clean Figure 2 4 Local user interface LUI of SITRANS SL in the receiver unit display of measured value Figure 2 5 Remote contol keypad for SITRANS SL ...

Page 18: ... be observed in the event of installation in hazardous areas For cable specifications refer to section Cable selection recommendations Page 31 Electric connections in the ATEX system The system is delivered with pre mounted cables The connections inside the unit housings are set up in the factory before delivery and modifications can only be done by certified technicians The junction boxes mounted...

Page 19: ...V0 cyclic data Measured values are provided with additional quality data Note The PROFIBUS DP hybrid cable provides an unused pair of wires to connect one of the analog or binary inputs or outputs mentioned above Optional 1 Modbus interface with Output of gas concentration as cyclic data Alarm output alarm classification Input for temperature and or pressure data for compensation 1 Ethernet 10Base...

Page 20: ...ser light is absorbed very selectively by only one specific line in the scanned spectral range Absorption line Laser line Figure 2 6 Typical spectral bandwidth of an absorption line compared to the bandwidth of the laser light The field design of the SITRANS SL in situ gas analyzer consists of a transmitter unit and a receiver unit The light which is not absorbed by the sample is detected in the r...

Page 21: ...typical process conditions are adequately well known and documented If you cannot find your application among the standard applications please contact Siemens AG We will be pleased to check your possible individual application of the SITRANS SL 3XUJLQJ RQ WKH SURFHVV VLGH 3XUJLQJ RQ WKH VHQVRU VLGH 6HQVRU FRQQHFWLRQ FDEOH 0HDVXULQJ SDWK OHQJWK DV FRQFHQWUDWLRQ OXH JDV FRPSRVLWLRQ 6WHDP XVW ORDG DV...

Page 22: ...n used for mathematical correction of the influence of the temperature on the observed line strength If the process gas temperature remains constant a static correction can be carried out as an alternative Without temperature compensation the relative error caused by changes in the gas temperature has an extensive effect on the measurement An external temperature signal is recommended in most case...

Page 23: ...e process the shorter the max possible path length The transmitter and receiver units are mounted on process flanges provided by the customer Correct alignment of these flanges must be guaranteed e g by using the optional sensor alignment kit Adjustment of the sensor pair The process flanges of the SITRANS SL must be correctly aligned so that the laser beam generated by the transmitter hits the ph...

Page 24: ...f the measurement component The presence of the gas in the sensor heads or the purging tubes may influence the measured concentration Recommendations for suitable purging and quality requirements of the purging gases can be obtained from chapter Technical data Page 181 Purging tube Transmitter or receiver unit optics tube Process flange customer Transmitter or receiver unit sensor head Inlet for p...

Page 25: ...y perpendicular to the process gas stream The effective measuring path in the process gas is defined as the distance between the ends of the two purging tubes The standard length of the purging tubes is 340 mm To enable sufficient pivoting the process wall should be max 150 mm thick O Purging tube Process wall l Path length Figure 2 10 Measurement of the optical path length between the ends of the...

Page 26: ...t be carried out Warning measurements may be inaccurate or the system will soon shut down measuring mode if an intervention is not made Advanced warning information measurements are carried out The two binary relay outputs can be configured freely for the alarm output The response of the analog outputs in the event of an alarm is configurable possible actions are Off current measured value is disp...

Page 27: ...year Dynamic background correction for varying dust loads Isolated analog signal outputs of 4 to 20 mA Menu driven operation Selectable time constants integration time Password protected user interface I O operation in accordance with NAMUR recommendations Monitoring of overall optical transmission Sensor enclosure resistant to wear and corrosion Local operation using remote control unit with nume...

Page 28: ...es of the received optical power of at least 30 dB This corresponds under certain conditions to dust loads of up to 100 g Nm3 at a path length of 1 m Gas analyzer functions The SITRANS SL can be operated as an independent unit providing the following functions Output signals The analyzer can output two measurement values gas concentration and optical transmission level through the measuring volume...

Page 29: ...ou can select your cable according to your requirements from the following table for standard non Ex analyzers SITRANS SL Suitable connection cables shall be selected depending on the electric interface used The connection cable must provide both power and ground to the analyzer Ethernet cables shall be of type CAT 5 or better with a shield FTP or STP Cabling guidelines Sensor connection cable Con...

Page 30: ...IBUS DP system configuration Modbus system configuration The system configuration of the SITRANS SL is defined according to the communication code within its order number Note Setup of the SITRANS SL can be done via the local user interface LUI or for service engineers via the LDSComm software LDSComm communicates with SITRANS SL via Ethernet using the TCP IP protocol The connection can be establi...

Page 31: ...automation system via analog I O and digital I O The measurement results of the SITRANS SL are output to the automation system via analog output The digital outputs can be used to indicate warnings and alarms and the digital input can be used to evaluate errors of external pressure or temperature sensors When external sensors are to be connected the first choice is to use analog input of the autom...

Page 32: ... g S7 315 2DP Automation system Analog configuration From automation system to analyzer Siemens SIMATIC MPI Cable For PLC configuration I O module e g SM374 in out16 optional For connecting external sensors External sensors optional For process gas temperature and pressure Software Name Comment Automation system software e g SIMATIC Manager Step 7 For automation system configuration ...

Page 33: ...f a system configuration with PROFIBUS DP System features The SITRANS SL is controlled by the automation system via PROFIBUS DP The measurement results from the SITRANS SL are output to the automation system via PROFIBUS DP When external sensors are to be connected the first choice to do so is to use PROFIBUS DP although connection via analog input of the automation system is also possible A PC PG...

Page 34: ...e Comment SITRANS SL PROFIBUS Slave PLC e g S7 315 2DP PROFIBUS Master PROFIBUS Cable For PROFIBUS Master Slave configuration Siemens SIMATIC MPI Cable For PLC configuration External sensors optional For process gas temperature and pressure Software Name Comment PROFIBUS system software e g SIMATIC Manager Step 7 For automation system configuration ...

Page 35: ... Modbus master Figure 3 3 Example of a system configuration with modbus System features The SITRANS SL is controlled by the automation system via Modbus The measurement results of the SITRANS SL are output to the automation system via Modbus When external sensors are to be connected the first choice is to use Modbus although connection via the analog input of SITRANS SL is also possible A PC PG us...

Page 36: ...e PLC e g S7 315 2DP Automation system Modbus module CP442 5 Modbus Master Modbus Cable For Modbus Master Slave configuration Siemens SIMATIC MPI Cable For PLC configuration External sensors optional For process gas temperature and pressure Software Name Comment Modbus system software e g SIMATIC Manager Step 7 For automation system configuration See also Screw terminals Page 48 ...

Page 37: ... The emitted laser light is invisible near infrared and not hazardous to the unprotected eye SITRANS SL has warning labels at appropriate positions according to EN 60825 1 2007 WARNING Heat safety Some metal parts and piping placed near the sensors might be at elevated temperatures due to high temperature purging either from steam or from air To avoid severe burns these parts must either be isolat...

Page 38: ...must be installed in a cabinet with a controlled environment CAUTION Avoid condensation As condensation is normally a problem when moving the device from outdoor to the inside of a building the device should be adapted to the new ambient conditions for a couple of hours before starting it NOTICE The front lid side of the units must be accessible To facilitate maintenance and service there shall be...

Page 39: ...eter of 50 mm The flanges must protrude at least 150 mm from the wall and 0 30 mm into the furnace or funnel Flange tubes should never be longer than the purge tube which has a standard length of 340 mm If longer flange tubes are needed for any reason customized purging tubes longer have to be used If you require further information you can request the required information from your Siemens contac...

Page 40: ...at an angle to this axis The reason for this is that the laser beam passes a wedged window before exiting This wedge window will refract the beam approximately 1 5 The following figure illustrates this a r º Axis of symmetry for sensor optical axis Axis of symmetry for sensor body Figure 4 2 Symmetry axes The sensors are equipped with a flange pair called process interface to align both optical ax...

Page 41: ...IWHU LQVWDOODWLRQ DOO WKLFNQHVV LQFO LQVXODWLRQ 0D LPXP GHYLDWLRQ 0LQ PP s r Process wall Process flange Figure 4 3 Flange alignment To be able to set the correct path length in SITRANS SL the dimension A in the Flange alignment figure has to be measured after the flanges are mounted The total length of the purging tube dimension B including the process flange must also be known The path length ca...

Page 42: ...d in section Alignment of SITRANS SL Page 57 CAUTION Do not install sensors that require purging before the purging media is accessible Never leave a purged sensor with the purging media switched off since the process windows can be easily damaged Note The stability of the sensor alignment depends on the stability of the construction to which the customer s flange is mounted If the incinerator wal...

Page 43: ... purging tubes are mounted by clamping the purging tube flange between the customer flange and the SITRANS SL process interface The sealing is accomplished by the two process gaskets as shown in the following figure When using an ANSI 4 150 lbs process interface the purging tubes have to be clamped between the ANSI 4 adapter flange delivered with the system and the process interface Purging tube C...

Page 44: ...dequate remedial measures Operating SITRANS SL Since the device is delivered without cabling the user must provide this An appropriate cable layout is described in section 3 1 The cables have to be connected according to the table in section 4 5 3 The following must be observed when operating SITRANS SL WARNING Never switch on or operate an analyzer with the lid open The protective earth terminal ...

Page 45: ...es with a diameter of 13 18 mm Transmitter tube unit Small cable gland for cables with a diameter of 8 12 mm Process interface Reference cell inside the receiver unit Customer flange not included Remote control Purging tube accessory Receiver tube unit Receiver housing Connection cable accessory Sensor connection cable kit accessory consisting of Sensor connection cable Receiver junction box Recei...

Page 46: ...rs of a cable may be left unconnected inside the SITRANS SL receiver or transmitter Any unused conductor must be connected to the analyzer housing NOTICE No Ethernet connection possible If Ethernet is connected to a permanently installed cable the Ethernet jack inside the receiver may not be used Before using the Ethernet jack inside the receiver ensure that no cable conductors are connected to th...

Page 47: ... resistor for PROFIBUS und Modbus Diagram circuit terminals Terminals Buttons for LUI navigation Ethernet connection Figure 4 6 Control panel with switch for termination resistor in receiver housing 6HQVRU FRQQHFWLRQ FDEOH 1 3 6KLHOG 7 51 7 20081 7 21 287 287 1 1 287 1 287 352 86 9 1 9 287 1 1 1 1 1 1 RP RP 6 QF 6 QF 7 5 5 7 Figure 4 7 Diagram circuit terminals ...

Page 48: ...lectric connections non Ex SITRANS SL 50 Operating Instructions 12 2010 A5E01132948 04 Transmitter housing Terminals Figure 4 8 Transmitter board with terminals 1 1 6 6 6 6 6 6 Figure 4 9 Transmitter circuit terminals ...

Page 49: ...s non Ex SITRANS SL Operating Instructions 12 2010 A5E01132948 04 51 Receiver junction box 3 4 5 6 7 2 1 1 2 3 4 5 6 7 8 9 10 11 8 9 10 11 Receiver junction box cable Junction box Figure 4 10 Receiver junction box cable and junction box ...

Page 50: ...sor connection cable is used to transfer 100 kbps RS 485 communication and synchronization power for the transmitter ground Table 4 1 Electric connections for sensor connection cable valid for non Ex product versions Screw terminals on junction board Receiver Transmitter Function Power L1 S1 L2 S2 24 V DC power supply to transmitter unit L3 S3 Com L4 S4 Com L5 S5 Sync L6 S6 Sync RS485 communicatio...

Page 51: ...kit for non Ex applications Table 4 2 Electric connections for receiver junction box cable of sensor connection cable kit accessory Conductor color Connector position in junction box Remarks Red 1 Blue 2 24 V DC power supply for transmitter unit Pink 3 Com Grey 4 Com White 5 Sync Brown 6 Sync RS485 communication 7 NC Grey Pink 8 Tx Red Blue 9 Tx Black 10 Rx Violet 11 Rx Ethernet connection Green P...

Page 52: ...urement 30 V DC 24 mA 3 13 Modbus D1 RxD TxD_N data inverted 14 Modbus D0 RxD TxD_P data not inverted 15 Modbus Shield RS 485 Modbus 7 12 V DC 16 Tx White Orange 17 Tx Orange 18 Rx White Green 19 Rx Ethernet 5 Green 20 21 Analog IN 0 Temperature 0 30mA 2 22 23 Analog IN 1 Pressure 0 30 mA 2 24 Ground 25 Ground Chassis Ground Chassis Ground Shield 1 Maximum possible power consumption 2 Maximum inpu...

Page 53: ... 1 black 1 Supply voltage 19 30 3 VDC 10 VA 2 black Chassis Red 13 A line Green 14 B line RS 485 communication 3 black 2 Supply voltage 19 30 3 VDC 10 VA 4 black Chassis Shield wire 15 PROFIBUS DP shield Details to PROFIBUS connection and operation can be obtained from Section Page 129 Example Digital out 0 PHDV 5ORDG XVWRPHU VLGH 6 75 16 6 9 Figure 4 11 Using digital output V0 can be maximum 30 V...

Page 54: ...og out 0 6 75 16 6 9 XVWRPHU VLGH PHDV 5ORDG Figure 4 12 Using analog output V0 must be minimum 7 5 V and maximum 30 V DC Rload can be maximum V0 7 5 V 0 025 A Ω Note SITRANS SL provides no supply voltage for the analog outputs i e the analog outputs of the SITRANS SL are passive and thus must be powered externally ...

Page 55: ...ated in the flanges The alignment is done by adjusting the position of the flanges on this surface by means of two adjustment screws and thus pointing the axis of symmetry see following figure Center of alignment Flange with convex spherical surface Flange with concave spherical surface Spherical surface Figure 4 13 Alignment sphere WARNING Danger of explosion The SITRANS SL alignment kit is not s...

Page 56: ... tool consisting of aiming tool base fine aligning unit an coarse alignment unit a lens hood an Allen key for the alignment of the sensors two wrenches to secure release the clamp ring one for the clamp ring one to prevent the adapter on the process interface to get loose when the clamp ring is secured a tube of lubricant for the threads to prevent them form getting stuck Thread lubricant 4 Batter...

Page 57: ...spot and that it is positioned at the very center of the crosshair 3 Before remounting the sensors make sure that the contact surfaces between sensors and flanges are clean The aim of the alignment procedure is to provide a collinear optical axis of both receiver unit and transmitter unit To do so first align the receiver to the transmitter and then align the transmitter to the receiver To align a...

Page 58: ...is described as follows starting with the receiver side Note It is also possible to start with the transmitter side but it is always necessary to align both sides 1 Release the clamp ring on the RTU receiver tube unit using the wrenches Support the receiver when releasing 2 Remove the receiver unit 3 Attach the light source and switch it on ...

Page 59: ...e transmitter when releasing 5 Remove the TTU 6 Remove the fine aligning unit from the aiming tool base by loosening the securing screw without taking it off Carefully slide the fine aligning unit out Attach the aiming tool base Orient the screw of the aiming tool towards the purging inlet such that they form one line arrows in adjacent figure 7 Start with the coarse aligning unit Slide it into th...

Page 60: ...he receiver and the transmitter the longer the path the smaller the spot Use the lens hood to suppress ambient light for a better visibility of the focused light 9 Align the transmitter using the supplied Allen key by turning the two screws without springs until the focused spot appears in the center of the crosshair Do not turn the screws with the springs 10 Remove the coarse aligning unit and re...

Page 61: ...ars in the center of the crosshair corresponding to your SITRANS SL variant in the following table MLFB no Target 12 7MB6221 AB 7MB6221 AC 7MB6221 AD 7MB6221 JC B B B A 13 Change places of the aiming tool and the light source and repeat the procedure with the receiver starting at step 7 If this is done correctly the sensor pair is now aligned and should stay so even when the sensor bodies are remo...

Page 62: ... enable the purging gas to penetrate all relevant areas within a short time during all measurements The purging gas must not contain any concentrations of the measurement component The presence of the gas in the sensor heads or the purging tubes may influence the measured concentration In oxygen measurements it is necessary to purge the sensor with an oxygen free gas such as nitrogen When measurin...

Page 63: ... valve included in delivery 4 5 2 Process side purging This function is optional With this option a needle valve is supplied with the analyzer It is up to the customer to mount it on the process interface WARNING Observe that the use of this needle valve opens up into the process The process must be permanently monitored if it is under pressure If any danger for personnel or equipment can arise fr...

Page 64: ...le valves and route it to an appropriate purging gas source CAUTION Make sure that the purge gas quality is sufficient to avoid rapid degradation of the visibility in the optical path Purging tube RTU or TTU Receiver or transmitter tube unit Process flange RHU or THU Receiver or transmitter house unit Process purging input Needle valves Sensor purging output PI Process interface Figure 4 15 Sensor...

Page 65: ...ipment in hazardous areas DIN EN 60079 14 Check whether the available power supply is compliant with the power supply specified on the type plate and specified in the examination certificate valid in your country WARNING Open cable inlet or incorrect cable gland Danger of explosion Close the cable inlets for the electric connections Only use cable glands or plugs which are approved for the type of...

Page 66: ... is closed and grounded The protective earth terminal of the SITRANS SL needs to be connected to the local potential equalization system Death personal injury and or damage to property may result if this is not observed WARNING The use of the alignment kit A5E01000740 for aligning the sensors is not covered by the ATEX certificate of the SITRANS SL analyzer Never use the kit in the ATEX zone witho...

Page 67: ...pressurized Normally this is not a situation where the measurements will be adequate WARNING The high pressure glass in the sensors must not be subject to any mechanical impact which might cause damage to the glass scratch gash etc Only use a soft cloth for cleaning of the glass Make sure that it is safe to dismount the sensor before cleaning WARNING Make sure all plugs and tube fittings are seale...

Page 68: ... fully observed CAUTION The ATEX certificate is a system certificate and is only valid if SITRANS SL is installed according to the instructions given in the certificate Note SITRANS SL must be shut off and disconnected before reconnections are done Sensor housing lid locking screw Figure 5 1 SITRANS SL ATEX installation WARNING The locking screw must be tightened or the ATEX approval will be viola...

Page 69: ...J ODEHO 5HFHLYHU 7UDQVPLWWHU ODEHO ODEHO 6HQVRU FRQQHFWLRQ FDEOH 3OXJ GDSWHU DFFRUGLQJ WR a P PD P a P G 37 7 8 G r r 6 5 7 8 Figure 5 2 Overview of the ATEX version of SITRANS SL SITRANS SL is delivered with the cables already connected in the receiver and the transmitter The cable to the customer side is approximately 3 meters long and must be connected in a junction box not part of the delivery...

Page 70: ...g with Ex data CE marking Serial number Datamatrix code Product version Country of origin Article number Measuring range Product name Figure 5 3 Example ATEX label SITRANS SL W ARNING WAIT 2 MIN BEFORE OPENING AFTER DE ENERGIZING Figure 5 4 Warning label SITRANS SL 1 2 NPT Figure 5 5 Thread size label SITRANS SL ...

Page 71: ...TRANS SL The terminals as well as their assignment are described in chapter Screw terminals Page 48 Sensor connection cable The sensor connection cable connects the junction boxes at the receiver and transmitter of the SITRANS SL This cable is used to transfer 100 kbps RS 485 communication power for the transmitter ground Table 5 1 Electric connection sensor connection cable valid for ATEX product...

Page 72: ...ync RS 485 communication Green Chassis PE terminal Yellow Chassis PE terminal Grey pink 16 8 Tx Red blue 17 9 Tx Black 18 10 Rx Violet 19 11 Rx Ethernet connection Shield Gland Gland Transmitter junction box cable Table 5 3 Electric connections for transmitter junction box cable valid for ATEX product versions Conductor color Connector position Transmitter junction board Connector position Transmi...

Page 73: ... 0 5 A 3 Green 7 Yellow 8 Digital In 0 0 30 V DC 2 Black 9 Violet 10 Analog Out 0 30 V DC 24 mA 3 Grey pink 11 Red blue 12 Analog Out 1 30 V DC 24 mA 3 White green 13 Modbus D1 RxD TxD_N Brown green 14 Modbus D0 RxD TxD_P White yellow 15 Shield Modbus RS 485 Modbus 7 12 V DC White grey 20 Grey brown 21 Analog In 0 0 30 mA 2 White pink 22 Pink brown 23 Analog In 1 0 30 mA 2 Yellow brown Chassis PE ...

Page 74: ... junction board Remarks Function 1 black 1 Supply voltage 19 30 3 VDC 10 VA 2 black Chassis Red 13 A line Green 14 B line RS 485 communication 3 black 2 Supply voltage 19 30 3 VDC 10 VA 4 black Chassis Shield wire 15 PROFIBUS shield Example Digital out 0 PHDV 5ORDG XVWRPHU VLGH 6 75 16 6 9 Figure 5 6 Using digital output V0 can be maximum 30 V DC Rload must be minimum 60 Ω max 0 5 A in the relay ...

Page 75: ...132948 04 77 Example Analog out 0 6 75 16 6 9 XVWRPHU VLGH PHDV 5ORDG Figure 5 7 Using analog output V0 must be minimum 7 5 V DC and maximum 30 V DC Rload can be maximum V0 7 5 V 0 025 A Ω Note The analog outputs of the SITRANS SL are passive and thus must be powered externally ...

Page 76: ...m certificate and is only valid if SITRANS SL is installed according to the instructions given in the certificate 5 2 2 Safety information Electric safety The SITRANS SL FM version is delivered with an approval for use in hazardous environments in which explosive gases are in use WARNING Open cable inlet or incorrect cable gland Danger of explosion Close the cable inlets for the electric connectio...

Page 77: ... connected to the local potential equalization system Death personal injury and or damage to property may result if this is not observed WARNING The use of the alignment kit A5E01000740 for aligning the sensors is not covered by the FM certificate of the SITRANS SL analyzer Never use the kit in the hazardous area without permission of the plant manager hot work permit WARNING Never open the cover ...

Page 78: ...e overpressurized Normally this is not a situation where the measurements will be adequate WARNING The high pressure glass in the sensors must not be subject to any mechanical impact which might cause damage to the glass scratch gash etc Only use a soft cloth for cleaning of the glass Make sure that it is safe to dismount the sensor before cleaning WARNING Make sure all plugs and tube fittings are...

Page 79: ...the certificate are fully observed CAUTION The FM certificate is a system certificate and is only valid if SITRANS SL is installed according to the instructions given in the certificate Note SITRANS SL must be shut off and disconnected before reconnections are done Sensor housing lid locking screw Figure 5 8 SITRANS SL FM installation WARNING The locking screw must be tightened Failure to do so wi...

Page 80: ...75 160 77 5 3OXJ ರ 137 8L 9 3L 9 Figure 5 9 Overview of the FM version of SITRANS SL CAUTION Make sure that the receiver junction box cable between the junction box and the receiver has a minimum length of 1 5 meter 5 ft since it will be used as sensor connection cable when the calibration of SITRANS SL is verified In this process the end in the junction box will be mounted in the transmitter and ...

Page 81: ...r FM data FM marking Serial number Datamatrix code Product version Country of origin Article number Measuring range Product name Figure 5 10 Example FM label SITRANS SL W ARNING WAIT 2 MIN BEFORE OPENING AFTER DE ENERGIZING Figure 5 11 Warning label 6 21 8 76 7 1 1 6 Figure 5 12 Note label SITRANS SL ...

Page 82: ...BUS version The terminals as well as their assignments are described in section Screw terminals Page 48 Sensor connection The sensor connection connects receiver and the transmitter of the SITRANS SL The sensor connection is used to transfer 100 kbps RS 485 communication power for the transmitter ground Table 5 6 Electric connections for sensor connection valid for FM product versions Screw termin...

Page 83: ...Line RxD TxD_P data not inverted Modbus D0 RxD TxD_P data not inverted 15 PROFIBUS Modbus shield RS 485 PROFIBUS 5 Modbus 7 12 V DC 16 Tx White Orange 17 Tx Orange 18 Rx White Green 19 Rx Ethernet 6 Green 20 21 Analog IN 0 Temperature 0 30 mA 2 22 23 Analog IN 1 Pressure 0 30 mA 2 24 Ground 25 Ground Chassis Ground Gland Ground Shield 1 Maximum possible power consumption 2 Maximum input values 3 M...

Page 84: ... must be minimum 60 Ω max 0 5 A in the relay Example Analog out 0 6 75 16 6 9 XVWRPHU VLGH PHDV 5ORDG Figure 5 15 Using analog output V0 must be minimum 7 5 V DC and maximum 30 V DC Rload can be maximum V0 7 5 V 0 025 A Ω Note SITRANS SL provides no supply voltage for the analyzer outputs i e the analog outputs of the SITRANS SL are passive and thus must be powered externally See also Screw termin...

Page 85: ...r Before you commission the device make sure that it is properly closed Never open the device during operation Before connecting and switching on the device the operator must be familiar with the device operation The user must also be familiar with the connection and operation of Analog and digital pressure and temperature sensors e g SITRANS P or SITRANS T PROFIBUS DP and SIMATIC Manager when usi...

Page 86: ...istance is used to calculate the path length by subtracting the length of the flange tubes and will later be used in the analyzer for the calculation of the gas concentration In the area where the purging gas and the measurement gas are mixed there will be a zone of uncertainty This zone will depend on the purging flow and the flow of the measurement gas The path length is entered into SITRANS SL ...

Page 87: ...y of cyclically transmitted data is defined in the device master data file GSD file Using the configuration package this information is checked by the device and declared valid During projection phase the data to be transmitted in cyclical operation will be determined This enables an optimal quantity of the data to be transmitted In the Siemens control system the GSD files of all commonly used dev...

Page 88: ...erview of installation and configuration steps 1 SIMATIC MPI cable installation 2 PG PC Interface setting 3 Loading GSD file 4 Network configuration with the SIMATIC Manager 5 Creation of a new project with the SIMATIC Manager 6 Hardware configuration 6 3 3 SIMATIC MPI cable installation SIMATIC Manager uses SIMATIC MPI cable for loading configuration data to the PLC via its SIMATIC MPI connector ...

Page 89: ... installed on the PC and the Windows XP operating system has been started Procedure Start the operating program Set PG PC Interface start bar Start Programs SIMATIC Options Set PC PG Interface 1 Select one of the following options in the list Interface Parameter Assignment Used CP5512 MPI must be chosen for the connection to the MPI port of the PLC CP5512 PROFIBUS must be chosen for the connection...

Page 90: ... 6 3 5 Loading GSD file You use the SIMATIC Manager to load the GSD file of SITRANS SL Procedure Start the operating program SIMATIC Manager start bar Start Programs SIMATIC SIMATIC Manager 1 Select the Open command in the menu File 2 Select the project of SITRANS SL 3 Double click on Hardware for opening HW Config ...

Page 91: ...mmissioning 6 3 PROFIBUS configuration for SITRANS SL SITRANS SL Operating Instructions 12 2010 A5E01132948 04 93 4 Select the Install GSD file in the menu Options 5 Close the opened project in HW Config ...

Page 92: ...Operating Instructions 12 2010 A5E01132948 04 6 Navigate to the corresponding GSD file using the button Browse on your hard drive 7 Mark in the selection list the GSD file and press the button Install 8 Finish the installation of the GSD file by pressing the button Close ...

Page 93: ...k configuration is loaded to the PLC the PROFIBUS communication will be started by the PLC with the configured slaves The steps for creating and loading a Step7 project are 1 Create the project by selecting CPU and organization blocks To do so use the New Project Wizard 2 Build the network configuration in hardware configuration window and compile 3 Write the application software for the organizat...

Page 94: ... a new project with SIMATIC Manager You create a new STEP 7 project using the SIMATIC Manager Procedure 1 Start the operating program SIMATIC Manager Start bar Start Programs SIMATIC SIMATIC Manager 2 Create a new project in the SIMATIC Manager with the File New Project Wizard menu command Reaction The STEP 7 Wizard New Project opens ...

Page 95: ...ning 6 3 PROFIBUS configuration for SITRANS SL SITRANS SL Operating Instructions 12 2010 A5E01132948 04 97 3 Click the button Next Reaction The STEP 7 Wizard New Project opens a dialog box for selecting the CPU ...

Page 96: ...ion list mark the check boxes for OB1 program cycle execution block OB100 complete restart and OB35 Note OB1 is the block which is continuously active in the background OB100 is the block which is called once during the startup of the PLC OB35 is the block that is called periodically with a timer interrupt Its period can be changed SFC14 and SFC15 are the system functions that are used in OB35 org...

Page 97: ...s 12 2010 A5E01132948 04 99 6 Click the button Next Reaction The STEP 7 Wizard New Project opens a dialog box for setting the project name Type the name or pick an existing one 7 Click the button Finish Reaction The STEP 7 project is created with the organization blocks OB1 OB100 and OB35 ...

Page 98: ...PROFIBUS configuration for SITRANS SL SITRANS SL 100 Operating Instructions 12 2010 A5E01132948 04 Optionally you can add the organization blocks from OB80 to OB88 with the menu command Insert S7 Block Organization Block ...

Page 99: ... Hardware configuration Creating PROFIBUS Network Procedure 1 Double click on Hardware for opening HW Config in the selection list on the left hand side of the project window SIMATIC 300 Station 2 In the selection list mark 0 UR DP item 3 Click with the right mouse button on the DP item and then click on Add Master System ...

Page 100: ...rating Instructions 12 2010 A5E01132948 04 PROFIBUS Network Configuration 1 Mark in the selection list PROFIBUS 1 DP master system 1 with the right mouse button 2 Enter the dialog box Network Settings in Properties PROFIBUS 3 In the selection lists pick your object properties ...

Page 101: ...lected from the hardware catalog and placed into PROFIBUS DP master system The appropriate measurement type telegram is selected and placed into SITRANS SL slots starting from the first empty slot Procedure Modify the I O addresses of the modules to your needs 1 Select the measurement type from the selection list Selection of the Present Configuration e g O2 Measurement ...

Page 102: ...mmissioning 6 3 PROFIBUS configuration for SITRANS SL SITRANS SL 104 Operating Instructions 12 2010 A5E01132948 04 2 Select the subnet type from the selection list Properties PROFIBUS interface SITRANS SL ...

Page 103: ... output First input module in the first slot Consists of 4 byte float value and 1 byte status value Transmission value absolute transmission output Third input module in the third slot Consists of 4 byte float value and 1 byte status value Temperature input First output module in the fifth slot Consists of 4 byte float value and 1 byte status value Pressure input Second output module in the sixth ...

Page 104: ... Rate 300 115200 19200 X Parity None Even Odd None X Transmission mode RTU ASCII RTU X RTU frame timeout 0 600000 ms 50 ms X ASCII frame timeout 50 600000 ms 1000 ms X Application answer timeout 50 10000 ms 1000 ms X Minimum answer delay time 5 1000 ms 20 ms X Data Bits 7 8 8 X Stop Bits 1 2 1 X 6 4 2 Byte and word ordering The interpretation of the data field within the Modbus RTU protocol is acc...

Page 105: ...llowing Modbus functions are implemented 0x01 Read Coils 0x02 Read Discrete Inputs 0x03 Read Holding Registers 0x04 Read Input Registers 0x05 Write Single Coil 0x06 Write Single Register 0x08 Diagnostics Echo Only sub function 0 0x0F Write Multiple Coils 0x10 Write Multiple Registers Enron Modbus Support Support for 32 bit registers via codes 0x03 and 0x10 Optional support for offset 0 between fra...

Page 106: ...Commissioning 6 4 Modbus configuration for SITRANS SL SITRANS SL 108 Operating Instructions 12 2010 A5E01132948 04 ...

Page 107: ... Modbus analog and digital inputs and outputs WARNING Dangerous voltage Certain parts in the analyzer carry dangerous voltages which can become accessible as a result of an open cover Before you switch on the device make sure that it is properly closed Never open the device during operation Local user interface LUI The local user interface consists of a digital display and four buttons Digital dis...

Page 108: ...avoid this always operate the device using the remote control Operations via the buttons on the LUI PCB are only allowed for test and service purposes Remote control SITRANS SL can be operated at site with an infrared remote control This device is intrinsically safe and certified according to ATEX according to CSA FM II 1 G EEx ie IIC T4 SIRA 01ATEX2147 CLASS I DIV 1 GROUPS A B C D The following f...

Page 109: ... PCB lid open Enter menu system right key or Return key right key Navigate in menu up key or down key up down keys Select highlighted radio button or toggle highlighted checkbox right key or Return key right key Exit current menu move up in the tree left key or Esc key left key Editing settings A number of parameter settings can be displayed and edited via the LUI When a setting is selected the fi...

Page 110: ... PCB lid open Move to digit and and Alter digit Press digit number key Delete digit C Use to select Insert Use to select Decimal point Use to select Press not dependent on cursor position Move to the leftmost position Use to select or Cancel editing Esc Move to the leftmost position then press Confirm edited value Move to the rightmost position then press Can not be done with the remote control Th...

Page 111: ...t stored permanently i e after a power failure the old value s will be used To store the new value s press left key or Esc key repeatedly to move back to the main menu then press left key or Esc key once more to exit the menu The LUI will now inform that changes have been made and display the save settings dialogue CAUTION After changing the settings exit the menu system and select OK when asked t...

Page 112: ...following information Present measured components with corresponding Value and Unit Alarm status icon or icons if multiple alarms are trigged Alarm text If multiple alarms are trigged only the most severe is presented by text while the icon toggles through the list of active alarms To read through the list of active alarms press the Left Key repeatedly The following key functions are available Up ...

Page 113: ...ssing To exit press Changes are saved when the main menu is exited In the following menu structures white boxes indicate selection screens grey boxes indicate edit screens and black inverted boxes represent displays without any user interactions 0DLQ 0HQX 0HDVXUHPHQW 9LHZ RQILJXUDWLRQ DQJXDJH 6HFXULW RPPXQLFDWLRQ 6HUYLFH LDJQRVWLFV Figure 7 3 The menu system ...

Page 114: ... QSXW YDOXH 6XSUHVV QHJDWLYH YDOXHV QSXW YDOXH QSXW YDOXH edit VHOHFW 6HOHFW VRXUFH HGLW I ಫ0DQXDO YDOXHಬ VHOHFWHG 0DQXDO YDOXH HGLW I ಫ QDORJ LQSXWಬ VHOHFWHG QSXW YDOXH HGLW RZ LJK I ಫ352 86 0RGEXV LQSXWಬ VHOHFWHG HGLW LQSXW YDOXH 6HW VRXUFH VHOHFW 6HOHFW VRXUFH HGLW QSXW YDOXH I ಫ352 86 0RGEXV LQSXWಬ VHOHFWHG HGLW LQSXW YDOXH 6DPH DV LVW RI FRPSRQHQWV QWHJUDWLRQ WLPH IRU FRPSRQHQWV HGLW ODUPV VH...

Page 115: ...g input Parameter Set source in a PROFIBUS device configuration Parameter Set source in a Modbus device configuration Paramater Temperature correction for manual input Pressure correction Settings sequences and parameters are similar to those of the temperature correction menu Integration time This menu is dynamic and depends on the application Integration time settings are possible for the follow...

Page 116: ...n warning Data exchange Device unlocked To assign or cancel an alarm use the right arrow button Select state of relay in normal operation Normally energized relay contact for the alarm signal is closed Normally de energized relay contact for the alarm signal is open Normal refers to the normal state of operation of the analyzer The system is powered and running without any problems no error signal...

Page 117: ...ut channels for this component is displayed After selecting an output the settings for this output are displayed The number of settings available depends on the type of output In the pictures above an analog output is selected and the parameters Scaling and Suppress negative values can be edited Before you can start editing the LUI must be unlocked Analog output settings Set scale Suppress negativ...

Page 118: ...tus messages warnings and alarms In this text the severity level of the alarm is disregarded and all status information is referred to as alarms An alarm can go active at a certain time and then passive if the erroneous condition disappears In the following text an alarm event refers to when an alarm changes state When the log book is opened the groups screen is first displayed it gives an overvie...

Page 119: ...only appear once in the list so the group view will not display the entire history The log book details screen When details is opened for a group the underlying alarm log is displayed The details screen gives technical information of the exact cause for the problem The alarm events are displayed in the same format as the groups are with status event alarm name and the time stamp of the event The t...

Page 120: ... DLO HQWHU WHVW PRGH HGLW XUUHQW YDOXH GLVSOD HG XUUHQW VWDWH GLVSOD HG IRU HDFK LQSXW 6HW RXWSXW YDOXHV HGLW XUUHQW VSHFWUXP GLVSOD HG 0DLQ 0HQX HQWHU WHVW PRGH 6HUYLFH ERXW DOLEUDWH 6HWSRLQW DOLEUDWH RQILUP RQILUP 5HVHW QDORJ RXWSXW WHVW 6HOHFW RXWSXW RQILUP QDORJ LQSXW WHVW 6HOHFW LQSXW LJLWDO LQSXW WHVW 5HOD WHVW RQILUP 9LHZ VSHFWUXP 7HVW PRGH IRU RXWSXW Figure 7 6 Service menu ...

Page 121: ...opriate use of this function may seriously affect the accuracy of the analyzer After selecting one of the gas components to be calibrated the calibration menu is displayed providing the following options Measured value displays currently measured value Setpoint edit setpoint Calibrate perform or cancel calibration Reset Reset the analyzer This action requires confirmation before it is started Anal...

Page 122: ...urable binary input for quality information of external sensors This binary input is mapped within the application software to input 0 and input 1 Both inputs are displayed and continuously updated Relay test The test mode will override the actual output values of the analyzer The user is asked for a confirmation before test mode is entered The two relays are represented by check boxes where X rep...

Page 123: ...LW 7 3 3 0RGEXV RPPXQLFDWLRQ 3 DGGUHVV DWHZD 6XEQHW PDVN DXG UDWH 6ODYH DWD ELWV 0RGH 3DULW 352 86 DGGUHVV 0RGEXV DGGUHVV 352 86 6WRS ELWV 578 IUDPH WLPHRXW 0LQLPXP DQVZHU GHOD WLPH SSOLFDWLRQ DQVZHU WLPHRXW 6 IUDPH WLPHRXW Figure 7 7 The communication menu Note You can configure only Modbus or PROFIBUS parameters when SITRANS SL has been setup with the respective communication interface ...

Page 124: ...P IP Menu leads to editing screens for the setting of IP Address Subnet Mask Gateway PROFIBUS Menu leads to the editing screen for the setting of PROFIBUS address After changing the parameter the analyzer must be reset before the new setting takes effect Modbus see Modbus settings Page 106 ...

Page 125: ...LUI Settings can be viewed but not edited Indicator The state of the menu locked unlocked is indicated by a symbol in the upper left corner of the display means locked means unlocked Operating hours Operate the LUI using the buttons of the remote control Press to open the menu Select Security unlock and enter the password Now select Diagnostics and open the log book Select G6 The alarm E61 LUI unl...

Page 126: ...guage 5HVWDUW 6DYH VHWWLQJV LVW RI ODQJXDJHV VHOHFW DQJXDJH 0DLQ 0HQX Figure 7 9 The language menu Select language from the list of available languages After change of language the analyzer must save settings user confirmation and then restart user confirmation before the new setting takes effect ...

Page 127: ...able e g the PROFIBUS DP hybrid cable which includes instrument power and ground conductors Cable requirements Type A PROFIBUS hybrid cable with conductors for supply voltage and protective earth The ATEX variant is delivered with 3m of PROFIBUS hybrid cable mounted Connecting to the bus To install the SITRANS SL as the single or as the last device of a PROFIBUS segment 1 Ensure that the terminati...

Page 128: ...ered by experienced PROFIBUS users and if the network segment is known to have good quality According to the PROFIBUS standard the total length of stub wires in a PROFIBUS segment must be less than 6 6 m at 1 5 Mbits s provided that Type A cable is used For higher bit rates stub wires shall not be used Reference Voltage Grounded reference voltage system This is the standard arrangement for PROFIBU...

Page 129: ...sequent devices Ensure to switch the terminal resistor off The switch is found next to the screw terminals in the receiver unit As the SITRANS SL connection cable will be a stub wire of the PROFIBUS DP network keep the length of the stub wire as short as possible and verify that the total length of stub wires is not exceeded in the network for the baud rate used 8 1 2 Device data base files GSD PR...

Page 130: ...rection seen from gas analyzer Data type Length in byte Concentration Measured value and status Output DS 33 5 Transmission Measured value and status Output DS 33 5 Pressure Process pressure in mbar Input DS 33 5 Temperature Process temperature in Celsius Degree Input DS 33 5 DS 33 data type Each value is represented as a 5 bytes value The first four bytes build the measurement value transmitted a...

Page 131: ...f the quality for this value in a quality code Due to this it is henceforth referred to as quality byte The quality byte has the following structure EDG XQFHUWDLQ JRRG JRRG FDVFDGHG 2 ORZ OLPLWHG KLJK OLPLWHG FRQVWDQW 06 4XDOLW 6XE VWDWXV LPLWV 2XWSXW YDOXH 6XE VWDWXV LV DOZD V VHW WR QSXW YDOXH 6XE VWDWXV LV QRW HYDOXDWHG Figure 8 1 Quality byte coding Note Error codes and alarm list For explanat...

Page 132: ...ding for bad quality Dec Hex Cause Remedy 00 00 Maintenance fault or process value fault See alarm list Status coding for uncertain quality Dec Hex Cause Remedy 64 40 Maintenance demanded or process value warning or process value out of tolerance See alarm list Status coding for good quality Dec Hex Cause Remedy 128 80 Normal operation You can evaluate the measured values ...

Page 133: ... Dec Hex Cause Error codes and remedy 64 40 Quality status of source is uncertain Depending on the PROFIBUS source the quality status is mapped to error code E23 for temperature or E24 for pressure 65 41 Quality status of source is uncertain and temp or pressure is low limit Temperature E23 E13 Pressure E24 E17 66 42 Quality status of source is uncertain and temp or pressure is high limit Temperat...

Page 134: ...plies to a point to point connection In a physical network up to 32 SITRANS SL analyzers may be connected to a Modbus system via the RS485 interface Cable type A two lined twisted pair cable with shielding is used for the Modbus connection The maximum cable length is limited to 1200 m Signal converter If the PC has no RS485 interface an RS232 RS485 signal converter must be linked between the PC an...

Page 135: ... Overview of used register numbers Standard Modbus Modicon modbus address Type Data Address Description 30001 Input Register R 0 Process data 30101 Input Register R 100 Device Status 40001 Holding Register R W 0 Input process data Example The first Holding Register number 40001 has the Data Address 0000 Offset is 1 Overview of used register numbers Enron Modbus Modicon modbus address Variable type...

Page 136: ...aning as the one used for PROFIBUS Structure and meaning of quality byte EDG XQFHUWDLQ JRRG JRRG FDVFDGHG 2 ORZ OLPLWHG KLJK OLPLWHG FRQVWDQW 06 4XDOLW 6XE VWDWXV LPLWV 2XWSXW YDOXH 6XE VWDWXV LV DOZD V VHW WR QSXW YDOXH 6XE VWDWXV LV QRW HYDOXDWHG Figure 8 2 Quality byte coding Note Error codes and alarm list See for explanation and action of error codes and the alarm list chapter Alarm error and...

Page 137: ...x Cause Remedy 128 80 Normal operation You can evaluate the measured values Quality byte coding of input values for process pressure and process temperature Table 8 4 Status coding for bad quality Dec Hex Cause Remedy 00 00 Quality status of source is bad Depending on the PROFIBUS source the quality status is mapped to error code E12 for temperature or E16 for pressure 01 01 Quality status of sour...

Page 138: ... of source is uncertain and temp or pressure is high limit Temperature E23 E14 Pressure E24 E18 67 43 Quality status of source is uncertain and temp or pressure is constant Temperature E23 E15 Pressure E24 E19 Table 8 6 Status coding for good quality Dec Hex Cause Remedy 128 80 Ok 129 81 Quality status of temp or pressure is low limit Depending on the PROFIBUS source the quality status is mapped t...

Page 139: ... Concentration Measurement counter 30003 Input Register 2 Component 1 Concentration Quality 30004 Input Register 3 Component 1 Concentration Value 30006 Input Register 5 Component 1 Concentration Time stamp Day 30007 Input Register 6 Component 1 Concentration Time stamp Hour 30008 Input Register 7 Component 1 Concentration Time stamp Minute 30009 Input Register 8 Component 1 Concentration Time sta...

Page 140: ... Temperature Value 30033 Input Register 32 Component 4 Temperature Time stamp Day 30034 Input Register 33 Component 4 Temperature Time stamp Hour 30035 Input Register 34 Component 4 Temperature Time stamp Minute 30036 Input Register 35 Component 4 Temperature Time stamp Second 30101 Input Register 100 Overall Device Status 30103 Input Register 102 All Device Status Bits 1 30105 Input Register 104 ...

Page 141: ...r all Enron Modbus registers the offset between the register number and the data addresses is 1 For example register number 7001 has data address 1B59 7001 in decimal There is an optional support for an offset 0 Modbus addresses 3000 3999 Short Integer registers Short Integer registers are read using function code 03 or set using function code 16 Table 8 8 Short Integer registers Enron Modbus addr...

Page 142: ... 3013 read 3012 Component 3 Pressure Time stamp Day 3014 read 3013 Component 3 Pressure Time stamp Hour 3015 read 3014 Component 3 Pressure Time stamp Minute 3016 read 3015 Component 3 Pressure Time stamp Second 3017 read 3016 Component 4 Temperature Quality 3018 read 3017 Component 4 Temperature Time stamp Day 3019 read 3018 Component 4 Temperature Time stamp Hour 3020 read 3019 Component 4 Tempe...

Page 143: ...tion Measurement counter 5102 read 5101 Component 1 Transmission Measurement counter 5103 read 5102 Component 3 Pressure Measurement counter 5104 read 5103 Component 4 Temperature Measurement counter Modbus addresses 7000 7999 Floating Point registers Access to floating point data is an extension of the Gould Modbus ASCII protocol Floating point registers are read using function code 03 or set usi...

Page 144: ...ve settings active E9 1 9 Process temp range E10 1 10 Process pressure range E11 1 11 Ext temperature bad E12 1 12 Ext temperature low limited E13 1 13 Ext temperature high limited E14 1 14 Ext temperature constant E15 1 15 Ext pressure bad E16 1 16 Ext pressure low limited E17 1 17 Ext pressure high limited E18 1 18 Ext pressure constant E19 1 19 Ext temp source disconnected E20 1 20 Ext pressure...

Page 145: ...ide range E44 2 12 FPGA timeout receiver E45 2 13 FPGA timeout receiver junction E46 2 14 FPGA timeout transmitter E47 2 15 Laser unpowered E48 2 16 Transmitter board temperature E49 2 17 Receiver board temperature E50 2 18 Laser board temperature E51 2 19 Detector board temperature E52 2 20 Receiver junction board temperature E53 2 21 Laser vibrator temperature E54 2 22 Analog output test mode E5...

Page 146: ...S SL 148 Operating Instructions 12 2010 A5E01132948 04 Status Word 3 Status Register description DWORD BIT position Description Error Code 3 0 Laser drift E65 3 1 Algorithm error E66 3 2 Measurement quality E67 3 3 Line locking failure E68 Status Word 4 Not used ...

Page 147: ...ries Page 193 Each verification process should be documented For this purpose there are verification sheets included in Verification Sheets Page 198 of this operating instructions If the verification fails contact Siemens support Note The verification kit is not part of the standard delivery If you carry out the verification yourself you have to order the verification kit additionally The zero val...

Page 148: ... Verification tube setup The verification tube is an interface between the receiver and transmitter as shown in the previous figure The kit comprises a metal tube with a temperature sensor and is mounted between the transmitter tube unit transmitter and receiver tube unit receiver during verification Since the verification tube has no windows the active path will be the one between the lenses on e...

Page 149: ... you need to wait until it has been adapted to the new temperature before proceeding from this step In this way you avoid condensation problems and assure static and homogeneous temperature distribution in the verification tube 4 If necessary connect the sensor connection cable between the receiver and transmitter and power up the SITRANS SL Step 2 Preparations and LUI settings In order to documen...

Page 150: ...ture source settings and if applicable temperature manual value in the verification sheet Set the temperature source to manual Note this value also in the verification sheet 9HULILFDWLRQ VHWSRLQW YRO 2 7HPSHUDWXUH r 5HODWLYH KXPLGLW 21 20 8 20 6 20 4 20 2 20 19 8 19 6 19 4 19 2 19 18 8 18 6 18 4 18 2 18 50 45 40 35 30 25 20 15 10 5 0 5 10 15 20 100 90 80 70 60 50 40 30 20 10 0 Figure 9 2 Verificat...

Page 151: ...strument error according to the instrument specifications temperature error and pressure error Temperature and pressure error depend on your measurement If the system and the purging gas used are well tempered you can use the error of the thermometer itself 1 C For the pressure error refer to the reading of your barometer 10 Calculate the total uncertainty of the measurement by adding instrument e...

Page 152: ...er pressure in the tube 6 Fill the verification tube according to one of the two alternatives below Step 4a Filling the verification tube with ambient air 1 Disconnect both the receiver and the transmitter from the verification tube Verification must be performed within 10 minutes from this step to prevent air from entering into the volume behind the lenses 2 Swing the verification tube a few time...

Page 153: ...etween measured value and verification point is more than 0 4 vol O2 the verification procedure should be repeated from the start Step 6 Purging with nitrogen To make sure that the instrument was purged well all the time during the verification procedure another purging procedure with nitrogen is necessary To do so 1 Attach your nitrogen source to the remaining needle valve once more 2 Purge the v...

Page 154: ...ousing is gone This may take several hours or even a whole day Thus the purging should be interrupted from time to time to test if the oxygen content has fallen below 0 15 vol If the test result is above 0 15 vol within a 10 minutes time you must continue purging with nitrogen If you are permitted to open the lids you should first turn on the nitrogen flow Then open the lids such that the gas can ...

Page 155: ...cable cannot be removed from the installation you need a supplementary one Step 1 Setup of verification tube 1 Start the procedure by removing the receiver and transmitter from the flanges Depending on the prevailing safety conditions and what is more convenient the power may be kept on and the sensor connection cable stay connected or the power may be shut off and the sensor connection cable be d...

Page 156: ...eet 6 Note pressure source settings and if applicable pressure manual value in the verification sheet Set the pressure source to manual and enter the value stated in the certificate Note this value also in the verification sheet 7 Note temperature source settings and if applicable temperature manual value in the verification sheet Set the temperature source to manual and set the temperature manual...

Page 157: ...fication Sheets Page 198 9 1 3 Verification of systems used in hazardous areas Verification setup Verifying the system requires that it is mounted to the verification module WARNING If the verification is to be carried out in the hazardous area be sure to confirm with the plant manager that it is safe to do so hot work permit The thermometer is neither ATEX nor FM certified If the thermometer ther...

Page 158: ... e g by using protective gloves Failure to do so may result in severe burns Cleaning of the process interface window on the process side 1 Demount the process interface also demount the purging tube if applicable WARNING Dangerous or pressurized process Before you start demounting the process interface make sure that the process conditions are safe e g there are no more pressure or dangerous subst...

Page 159: ...ft cloth Water with a small amount of soap or a mild detergent also works fine in many cases Start the cleaning process at the center and work with circular movements towards the rim 4 When remounting the sensor make sure that the guide pin fits the hole on the purging flange Screw on the lock ring and tighten it gently with the tool If this operation is performed properly it will not affect the a...

Page 160: ...Service and maintenance 9 2 Cleaning the optical parts of the sensor SITRANS SL 162 Operating Instructions 12 2010 A5E01132948 04 ...

Page 161: ...arm is used as a general term without referring to the alarm level i e if it is a failure a warning or just informative The actions to be taken when an alarm trigged are specific to each alarm ODUP WULJJHU ZLWK WLPHUV ODUP RXWSXW 352 86 0RGEXs ODUP RXWSXW 8 ODUP RXWSXW UHOD V KDQJH PRGH RI RSHUDWLRQ ODUP ORJ ODUP WR UHOD Figure 10 1 Alarm overview ...

Page 162: ...ing Generally a SITRANS SL alarm has three parameters Triggering level Triggering time TSet Reset time TRes 1R DODUP 7ULJ OHYHO ODUP ODUP VWDWH 0RQLWRUHG YDULDEOH 76HW 75HV 76HW Figure 10 2 Alarm triggering Alarms with different behaviours or configurations are handled later in this chapter under the alarm description ...

Page 163: ...es Maintenance Fault Maintenance Demanded Process Value Fault Process Value Warning Process Value Tolerance No Data Exchange Local Override Device Unlocked Configuration Warning Possible actions Off present measured value Latest freeze on the last presented value Default level set to a predefined default level 3mA NAMUR NE43 failstate PROFIBUS and Modbus PROFIBUS and Modbus have two ways of report...

Page 164: ...e PLC can generate an alarm States and Symbols An alarm display on the LUI consists of a text and an icon to the left of the text The icon indicates type and level of an alarm Icon Description Maintenance fault The device is in immediate need for maintenance Measurement values cannot be produced Example Transmission too low for measurement due to contamination or misalignment Maintenance demanded ...

Page 165: ...lt values are used instead Configuration changed N A Local override Output values are not actual measurements Example Test mode is active for an output Simulation or substituted value N A Out of operation N A Data exchange Indicates irregular data communication Example The software is executing save settings No data exchange Communication failure Example PROFIBUS master has been switched of Write ...

Page 166: ...puts The alarm groups are also used in the logbook LUI Groups G1 External sensor G2 Receiver temperature G3 Transmitter temperature G4 Reference line G5 Transmitter tube unit G6 Service G7 Transmission G8 Receiver electronics G9 Transmitter electronics G10 Measurement out of range G11 Configuration error G12 Internal communication G13 PROFIBUS client The allocation of a specific alarm to its LUI a...

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Page 168: ...Receiver Restart the system If the fault remains contact Siemens support E46 FPGA timeout receiver junction Internal communication failure in the Receiver Restart the system If the fault remains contact Siemens support E47 FPGA timeout transmitter Sensor connection cable communication failure Check that sensor connection cable is properly connected and not damaged E48 Laser unpowered The SITRANS S...

Page 169: ...temperature is outside the valid range Check that the ambient temperature is within the specifications and ensure that the system is not exposed to direct sunlight E51 Laser board temperature The laser board temperature is outside the valid range Check that the ambient temperature is within the specifications and ensure that the system is not exposed to direct sunlight E52 Detector board temperatu...

Page 170: ...tes from the operational range of this SITRANS SL application The deviation is so large that no measurement value can be produced Delimit process pressure or verify that the pressure sensor produces correct measurements E31 CurveFit temp file range The process temperature deviates from the operational range of this SITRANS SL application The deviation is so large that no measurement value can be p...

Page 171: ...le If so contact Siemens support to evaluate if the measuring range can be increased If the concentration seems incorrect it may be necessary to check path length temperature correction and pressure correction E41 CO outside range Currently calculated gas concentration is outside the valid range for this application Check whether the measured gas concentration is reasonable If so contact Siemens s...

Page 172: ...gital outputs is active E25 PROFIBUS configuration error PROFIBUS configuration fault Contact PLC support E26 PROFIBUS connection error PROFIBUS Connection Error Check that PROFIBUS cables are properly connected E27 PROFIBUS master switch off PROFIBUS Master Switch Off Contact PLC support Check the PROFIBUS master switch E28 PROFIBUS internal error PROFIBUS internal error Contact Siemens support E...

Page 173: ...rning G1 E19 Ext pressure constant Process value tolerance G1 E20 Ext temperature source disconnected Process value fault G1 E21 Ext pressure source disconnected Process value fault G1 E23 Ext temperature uncertain Process value tolerance G1 E24 Ext pressure uncertain Process value tolerance G1 E25 PROFIBUS configuration error Data exchange No data exchange G13 E26 PROFIBUS connection error Data e...

Page 174: ...E56 Digital output test mode Local override G6 E57 EEPROM configuration missing Configuration warning G11 E58 Save settings failed Configuration warning G11 E59 Sensor temp comp file range Process value fault G10 E60 Watchdog reset triggered Service G6 E61 LUI unlocked Data exchange No data exchange G6 E62 Hardware inconsistency Maintenance demanded G6 E63 A0 outside measurement range Process valu...

Page 175: ...LV 3DQHO 2SHUDWRU 7LPH VWDPSLQJ RQWUROOHU 0DVWHU FODVV 3 0DVWHU FODVV ODUPV DFNQRZOGHJH LDJQRVLV PHVVDJH 6WDQGDUG GHQWLILHU 0RGXOH KDQQHO LHOG GHYLFH 6ODYH 3URFHVV LDJQRVLV PHVVDJHV HPEHGGHG ZLWKLQ F FOLF GDWD H FKDQJH XSRQ VODYH UHTXHVW PXOWLSOH 1R QRWLILFDWLRQ MXVW HWB LDJ QJLQHHULQJ 7RRO LDJQRVLV 3DQHO 3URFHVV 0RQLWRULQJ 6 VWHP ODUP LVWRU 6 WKHUQHW 7 3 3 WKHUQHW 7 3 3 352 86 3 352 86 3 6 Figure...

Page 176: ... E1 Unit_Diag_Bit 25 Low transmission E2 Unit_Diag_Bit 26 Receiver power E3 Unit_Diag_Bit 27 Receiver junction power E4 Unit_Diag_Bit 28 Transmitter power E5 Unit_Diag_Bit 29 Startup procedure active E6 Unit_Diag_Bit 30 Shutdown procedure active Unit_Diag_Bit 31 Line locking failure E8 Unit_Diag_Bit 32 Save settings active E9 Unit_Diag_Bit 33 Process temp range E10 Unit_Diag_Bit 34 Process pressur...

Page 177: ...45 Unit_Diag_Bit 69 FPGA timeout receiver junction E46 Unit_Diag_Bit 70 FPGA timeout transmitter E47 Unit_Diag_Bit 71 Laser unpowered E48 Unit_Diag_Bit 72 Transmitter board temperature E49 Unit_Diag_Bit 73 Receiver board temperature E50 Unit_Diag_Bit 74 Laser board temperature E51 Unit_Diag_Bit 75 Detector board temperature E52 Unit_Diag_Bit 76 Receiver junction board temp E53 Unit_Diag_Bit 77 Las...

Page 178: ...Alarm error and system messages 10 3 PROFIBUS diagnosis and alarms SITRANS SL 180 Operating Instructions 12 2010 A5E01132948 04 ...

Page 179: ... units ppm vol mg Nm3 Display Digital concentration display 4 digits with floating decimal point Laser protection class Class 1 safe to the eye Analytical performance Measuring range Internally adjustable Detection limit at standardized conditions 25 C gas temperature 1000 hPa pressure 1 m path length and constant ambient conditions O2 200 ppm CO 0 6 ppm Minimum measuring range at an effective opt...

Page 180: ...ess interface For DN50 PN 10 40 5 3 kg For ANSI4 150 lbs approx 12 kg Connection dimension customer flange DN 50 PN 10 40 or ANSI 4 150 lbs Electric characteristics Power supply 24 V DC nominal 18 30 2 V DC Maximum power consumption 10 VA EMC immunity In accordance with EN 61326 1 Electric safety In accordance with EN 61010 1 External fuse specifications T1 6L250V Dynamic performance Warm up time ...

Page 181: ...le Electric inputs and outputs Number of measurement channels 1 Analog outputs 2 outputs 4 20 mA DC floating ohmic resistance max 660 Ω Note External isolating power supplies may have to be provided by the customer or have to be ordered Analog inputs 2 inputs designed for 4 20 mA 120 Ω Digital outputs 2 outputs with normally open contacts configurable 24 V 0 5 A floating single pole single throw S...

Page 182: ...iguration 3 m Conductor cross section Min 0 34 mm2 Cable diameter 8 12 mm or 13 18 mm Minimum bending radius ATEX PROFIBUS 110 mm Sensor connection cable included for ATEX Sensor connection cable type 4 x 2 with shielding in twisted pair configuration Conductor cross section Min 0 34 mm2 Cable sheath PUR polyurethane Dimensions Diameter 11 mm Length up to 25 m Minimum bending radius ATEX 85 mm Cli...

Page 183: ...le size distribution Purging Purging Purging gas Quality Dew point O2 applications nitrogen CO applications nitrogen instrument air O2 applications Purity better than 99 7 in order to achieve full performance For oxygen measurements an oxygen content 0 01 vol in the purging gas is recommended Instrument air dry and oil free 10 C 14 F condensation on the optics must be avoided Sensor purging Max ov...

Page 184: ...Class T6 Ta 55 C Flameproof for Class I Zone 1 AEx d IIC Temperature Class T6 Ta 55 C Dust ignitionproof for Class II III Division 1 Groups E F and G Temperature Class T6 Ta 55 C Dust tight for Zone 21 AEx tD T85 C Ta 55 C indoors and outdoors Type 4X IP65 The information provided in this chapter contains descriptions or characteristics of performance which in case of actual use may not apply as d...

Page 185: ...table for flange connections DIN DN50 PN10 40 or ANSI ANSI 4 150lb º ರ ರ r 1 ರ 16 ರ ರ Purging tube Process interface Process purging input Receiver cable kit or transmitter cable junction box Mounting bracket for Receiver cable kit or transmitter cable junction box Sensor purging input Process flange Figure 12 1 Dimensional drawing SITRANS SL receiver and transmitter all measures in mm inches ...

Page 186: ...ting Instructions 12 2010 A5E01132948 04 º DSSUR ರ IRU 0 EROW º ರ º ರ Figure 12 2 Dimensional drawing customer flange DN50 PN10 40 all measures in mm inches º IRU EROW º º º º º º Figure 12 3 Dimensional drawing customer flange ANSI 4 150 lb all measures in mm inches ...

Page 187: ...132948 04 189 54 21 1 4 59 2 23 1 4 77 30 1 4 375 147 5 8 355 5 140 Figure 12 4 Dimensional drawing calibration tube all measures in mm inches ಯ ಯ ಯ ಯ ಯ ಯ ಯ Cable gland for sensor connection cable M20 with plug Figure 12 5 Dimensional drawing transmitter junction box all measures in mm inches ...

Page 188: ... 190 Operating Instructions 12 2010 A5E01132948 04 ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ ಯ Cable gland for sensor connection cable M20 with plug Cable gland for Ethernet cable M16 with plug Figure 12 6 Dimensional drawing receiver junction box all measures in mm inches ...

Page 189: ...68437 Connection cable analog and Modbus for ATEX A5E02608597 Connection cable PROFIBUS DP for ATEX A5E02608594 Transmitter junction box cable kit A5E02568463 Receiver junction box cable kit A5E02568465 Clamp ring A5E01010033 Remote control IS CSA FM ATEX A5E02091214 Junction box Ex e 7 cores A5E02091532 Capillary kit A5E02183375 Gasket DN50 PN16 A5E02522036 Gasket ANSI 4 150 lbs A5E02789535 Needl...

Page 190: ...ecific spare parts Spare parts for O2 measurement Order No Transmitter module O2 A5E01273790 Receiver module O2 A5E01273791 Transmitter module O2 ATEX A5E02183403 Receiver module O2 ATEX A5E02183422 Transmitter module O2 FM A5E03000146 Receiver module O2 FM A5E03000236 Spare parts for CO measurement Order No Transmitter module CO A5E03000243 Receiver module CO A5E03000250 Transmitter module COATEX...

Page 191: ...by the plant manager Verification kit The SITRANS SL has already been factory calibrated If it is necessary to check the calibration this can be performed using an external verification kit following removal of the transmitter and receiver units This procedure has no influence on the adjustment of the unit The verification kit consists of a verification module and a thermometer To carry out the ca...

Page 192: ...ts consist of a certified PROFIBUS DP hybrid cable of 3 m length 1 x 2 4 x 1 a cable gland 1 2 NPT List of accessories Accessories Order No SITRANS SL alignment kit A5E01000740 Junction box Ex e for 25 cores A5E01267567 UV protective hose for outdoor use ND 48 mm per 30 m A5E01714061 Sensor connection cable kit 5 m accessory A5E02509347 Sensor connection cable kit 10 m accessory A5E02528048 Sensor...

Page 193: ... a function of the up stream pressure P1 There are two parameters in the diagram the process pressure Pp and the temperature of the purge gas which is assumed to be air The diagram shows the flow through a system with a total Cv of 0 1 The flow increases linearly with Cv q the flow rate on the low pressure side Nl min Cv the flow coefficient 0 1 for the needle valve in our standard sensor P1 the i...

Page 194: ...ects at different electrostatic potentials as they approach one another The symbol to the left indicates an ESD protected area where all workspaces are ESD protected and all personnel must wear wrist straps This symbol will be used in this chapter to indicate that a service task requires ESD protection A catastrophic failure means that exposure to an ESD event has caused an electronic device to st...

Page 195: ...ctive procedures are used during service in the field The components used in the laser analyzer have all been protected from ESD through the whole production chain Ground Everything Effective ESD grounds are of critical importance in any operation and ESD grounding should be clearly defined and regularly evaluated According to the ESD Association Standard ANSI EOS ESD all conductors in the environ...

Page 196: ...lps to define a specific work area in which ESD sensitive devices may be safely handled The work surface is connected to the common point ground by a resistance to ground of 106 Ω to 109 Ω This is done by using a soft bench mat which is connected to ground on the work surface All equipment must be connected to grounded outlets and all personnel must wear wrist straps connected to the bench mat usi...

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Page 199: ...cessanalytics Here you will find Products solutions including our newsletter containing up to date information on your products Electronic trading over the Internet Support with e g certificates brochures and catalogs Training center Siemens offers corresponding courses for newcomers to laser spectroscopy Please contact the central Training Center in Karlsruhe Training Center Europe Process Instru...

Page 200: ... drying agent e g silica gel In addition the transport container should be lined with a layer of union paper Please photocopy the Returned deliveries form and the Decontamination declaration fill in and enclose with the returned device In case of guarantee claim please enclose your guarantee card Addresses for Returned Deliveries Spare parts service Please send your orders for spare parts to the f...

Page 201: ...n responsible Delivery address Phone Fax Email Address for returned delivery if different from above Customer original order no Device name Order MLFB no Serial no Designation of returned part Fault description Process data at point of measurement Operating temperature Operating pressure Composition of sample gas Duration of use date of commissioning Process data at point of measurement ...

Page 202: ...pply a clear plastic envelope with the completely filled in and signed decontamination declaration including the shipping papers outside on the packaging Name of customer Person responsible Delivery address Phone Fax Email Address for returned delivery if different from above Device name Order MLFB no Serial no Designation of returned part Medium Concentration Cleaning medium Duration of use date ...

Page 203: ...es Bit Binary digit CP Communication Processor CPU Central Processing Unit CSA Canadian Standards Association DC Direct Current DN Diameter nominal DP Distributed Peripheral I O e g For example EEPROM Electrically Erasable Programmable Read Only Memory EMC Electromagnetic compatibility ESD Electrostatic Discharge EU European Union Ex Explosive atmosphere FM Factory Mutual certifying body in the US...

Page 204: ...ee for measuring and control technology in the chemical industry NC Not connected O2 Oxygen PA Process Automation PC Personal Computer PCB Printed Circuit Board PCMCIA Personal Computer Memory Card International Association PCS Process Control System PDM Process Device Manager PE Protective Earth terminal PG Programming device PI Process Interface PLC Programmable Logic Controller PN Pressure nomi...

Page 205: ...on Control Protocol Internet Protocol a reference model for communication on the Internet THU Transmitter Housing Unit TTU Transmitter Tube Unit Tx Transmit Tx identifies a transmitter UL Underwriters Laboratories a US certifying body V Volt Vol Volume percent vpm Volume parts per million Δ Difference Greek delta μC Microcontroller ...

Page 206: ...List of abbreviations SITRANS SL 208 Operating Instructions 12 2010 A5E01132948 04 ...

Page 207: ... output modules as well as operator control and monitoring HMI devices Bus A cable or conductor system used for data transfer among the components of a computer system Buses are characterized by the number of bits they can transfer at any one time There are serial bus systems one bit after the other and parallel bus systems multiple bits simultaneously over several lines CSA The Canadian Standards...

Page 208: ...e g configuration data or runtime meters change over time and must be stored safely in the event of a mains power failure Electro Magnetic Compatibility Definition as per the EMC law EMC is the capability of a device to operate satisfactorily in an electromagnetic environment without itself emitting electromagnetic signals which interfere with other devices in that environment Endian Date is somet...

Page 209: ...mming interface of SIMATIC S7 M7 Allows remote access to programmable modules text based displays and OPs from central locations The MPI nodes can intercommunicate LAD Ladder Diagram Graphic representation of controller functions based on a circuit diagram from protection technology The current paths however are not arranged horizontally in relation to one another and the symbols deviate Modbus Th...

Page 210: ...nal fieldbus standard to EN 50170 IEC 61158 PROFIBUS DP PROFIBUS DP distributed peripheral I O is used for controlling sensors and actuators using a central controller in production engineering It is also used in connection with distributed intelligence i e connecting multiple controllers to form a network It provides data transmission up to 12 Mbps on twisted pair cables and data transmission ove...

Page 211: ...ization of signal reflections which could otherwise lead to interferences The termination is normally used at the physical end of a signal path Zone 0 Area in which dangerous potentially explosive gaseous atmospheres can form frequently constantly or over long time periods during the normal operation of a device Zone 1 Area in which a dangerous potentially explosive gaseous atmosphere occasionally...

Page 212: ...Glossary SITRANS SL 214 Operating Instructions 12 2010 A5E01132948 04 ...

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