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Adjusting the Flame Monitor

56

D

−

LX 200, D

−

LX 720

Figure 6.4: Flicker frequency setting [Hz] of the flame

For the flame flicker frequency threshold, switch position 0 (zero) means
deactivation of the threshold. The detection of periodic signals is also switched
off.
With a switch position > 0 (zero), a threshold is defined. The flicker frequency
measured at the flame must exceed this threshold to produce a Flame ON
signal (see Figure 6.4).

Example:

If the flicker frequency falls below 150 Hz for switch position A, the Compact
Flame Monitor indicates "Flame OFF" after expiry of the safety time.

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Содержание D-LX 200

Страница 1: ...D LX 200 D LX 720 Compact Flame Monitor GmbH Kollaustra e 105 22453 Hamburg www durag de...

Страница 2: ...ndard can be requested Reference addresses can be found on page 115 or parts of it may not be duplicated transmitted or translated into other languages independent of which way and through which means...

Страница 3: ...supply Design variants 25 3 3 Special accessories optional 26 3 4 Options 27 3 5 Notes on the product 27 3 6 Fields of application intended use 27 3 7 Selection criteria for Compact Flame Monitor D L...

Страница 4: ...1 Customer service information 95 9 2 Safety 95 9 3 Maintenance intervals 96 9 4 Maintenance tasks 96 9 5 Fault 96 10 Technical Data 101 10 1 Technical data of the basic device 101 10 2 Factory setti...

Страница 5: ...Figure 7 2 Connection menu of the InformationCentre 71 Figure 7 3 Display view of the InformationCentre 71 Figure 7 4 Display view Flame Information 72 Figure 7 5 Signal for a measuring cycle 73 Figur...

Страница 6: ...s FunctionCode 0x10 Write Multiple 16BitRegisters Response 87 Table 8 10 Modbus register and address information 88 Table 8 11 Modbus register and device specific address information 89 Table 9 1 Erro...

Страница 7: ...onents complete this information Our aim is to make a decisive contribution to your success with our products and services We hope that the information provided here will enable us to do so Flame moni...

Страница 8: ......

Страница 9: ...D LX 200 D LX 720 Compact Flame Monitor 0 01 1 1 General 1 1 Brief overview of the contents 1 2 Typographical conventions 1 3 Meaning of the warnings and notes used...

Страница 10: ......

Страница 11: ...y qualified personnel have the necessary expertise to interpret the safety instructions and warnings provided in a general manner in this document correctly in concrete individual cases and to apply t...

Страница 12: ...FF This DIP switch is ON A indicates that the following term is explained in the glossary Unless otherwise specified all dimensions in mm This manual is also available as a pdf file on CD DVD 1 3 Mean...

Страница 13: ...caution warnings in order to prevent injuries and to ensure safe operation of the system In order to specify the potential risk the general warning sign can also be replaced by a special warning sign...

Страница 14: ......

Страница 15: ...eral safety instructions 2 2 Hazard from electrical equipment 2 3 Hazard from hot aggressive or explosive gases 2 4 Hazard to the device due to purge air failure 2 5 Proper use 2 6 Prevention of conse...

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Страница 17: ...the following warnings and safety instructions apply for the D LX 200 D LX 720 The flame monitor is a type approved device Any interventions or modifications will result in loss of the approval Repai...

Страница 18: ...condary power circuits e g DURAG D NG 24 05 CAUTION Damage to electronic components through electrostatic discharge ESD Electronic components are becoming ever smaller and more complex With this their...

Страница 19: ...or aggressive gases and dusts The purge air supply must therefore be reliably ensured even when the system is stationary If the purge air fails the lens can quickly become soiled and the device can o...

Страница 20: ...e in respect of damage to property or the health of people 2 6 Prevention of consequential damages in the event of system malfunction In order to prevent and limit faults that can directly or indirect...

Страница 21: ...h automation technology equipment or have authorisation to commission earth and identify circuits and devices systems in accordance with the safety related standards Burner controls and flame monitors...

Страница 22: ......

Страница 23: ...ly Design variants 3 3 Special accessories optional 3 4 Options 3 4 1 Optional factory settings 3 5 Notes on the product 3 6 Fields of application intended use 3 7 Selection criteria for Compact Flame...

Страница 24: ......

Страница 25: ...t Verify the shipment for completeness and undamaged condition All transport damages must be immediately reported to the shipping agent and the DURAG GROUP For addresses see page 115 DURAG GROUP compa...

Страница 26: ...IR range for checking the function D NG 24 05 AC power supply 115 or 230 VAC 50 60 Hz D ZS 140 12 Junction box for flame sensor IP 65 12 pin D ZS 117 I Thermal insulator with potential isolation and...

Страница 27: ...flame sensor in one housing This integration saves time and cost for assembly and wiring in comparison with the design with separate flame sensor and flame monitor 3 6 Fields of application intended...

Страница 28: ...ally suited for this fuel The flame sensor is well suited for this fuel The flame sensor is conditionally suited for this fuel The monitoring characteristics depend for the most part on the combustion...

Страница 29: ...with different approvals An overview is provided in the following table D LX 200 D LX 720 IEC 61508 C US 10 20 30 40 under preparation Table 3 3 Device approvals The declaration of conformity can be f...

Страница 30: ...ion of the warranty As burner controls and flame monitors are type approved devices any interventions or modifications to them will result in loss of the approval Faultless and safe operation of this...

Страница 31: ...LX 720 Compact Flame Monitor 0 04 4 4 Design and Function 4 1 Functional description 4 1 1 Ultraviolet flame sensor 4 1 2 Infrared flame sensor 4 1 3 Self monitoring 4 1 4 Error shutdown 4 2 Device d...

Страница 32: ......

Страница 33: ...ult The operator must provide the necessary purge air to protect the optics from dust and or hot gases and the power supply 0 4 20mA Modbus Optical out D LX 200 LX200 11 001 Supply 24V 5W Supply Purge...

Страница 34: ...d using a field bus an optical data bus and a 0 4 20mA current output Readiness for operation or malfunction is indicated by a contact of the dynamically controlled fault relay with monitoring of the...

Страница 35: ...s such as e g exhaust gas recirculation or plants with combined burners for gas and oil IR flame sensors with a spectral sensitivity up to 1800 nm have particularly proven themselves for flame monitor...

Страница 36: ...onitor Actuation of an external reset key also acknowledges an error shutdown and enables restarting but the flame monitor must be in the error position for this purpose A reset can also be performed...

Страница 37: ...the non safety relevant input and output functions LED display for indicating operational readiness of the active range flame signal or flame monitor fault Analogue output 0 4 20 mA for external displ...

Страница 38: ...d circuit boards 2 Gasket 3 Screw M4 x 130 4 Lens insert module 5 Connection nut D LE 103 603 6 Front part thread G 1 optional NPT 1 female 7 M4 Safety screw 8 Hood 9 Purge air connection thread G opt...

Страница 39: ...on D LX 200 D LX 720 39 Pos Description 1 Housing front part with printed circuit boards 2 Gasket 3 Screw M4 x 130 8 Hood 10 Cable gland for connection cable 11 Fibre optic adapter Figure 4 6 Exploded...

Страница 40: ...ble parameters the switch setting for Chan 1 and Chan 2 is different The different setting results in an error shutdown after 8s Frequency green The flame flicker frequency exceeds the set threshold f...

Страница 41: ...tion Commissioning 5 1 Safety 5 2 Transport 5 3 Installation 5 3 1 Instructions on selecting a suitable installation point 5 3 2 Mounting the flange 5 3 3 Electrical connection 5 3 4 Cables and shield...

Страница 42: ......

Страница 43: ...ted CAUTION In furnace plants with harmful gases high gas temperatures or high pressure the Compact Flame Monitor may only be mounted or demounted during downtime of the plant unless using a shut off...

Страница 44: ...nt of the flame i e the first third of the flame 5 3 2 Mounting the flange The D LX 200 is mounted on a sighting tube with a G1 male thread connection Figure 5 1 Safety screw First of all fasten the b...

Страница 45: ...lange Aluminium alloy 230 3 1 Ball joint Aluminium alloy 230 4 3 Hexagon bolt M10x60 DIN 558 5 3 Plain washer 10 5 DIN 125 6 1 Gasket Graphite tape asbestos free CAUTION The purge air supply must be r...

Страница 46: ...ndatory that the correct operation of the relay is checked before further use of the Compact Flame Monitor Fuse F2 Fuse F1 Fuses MST 250 F1 left 0 5 A slow blow F2 right 0 5 A slow blow Figure 5 3 Loc...

Страница 47: ...ge violett External Reset Netz AC power supply pink Fieldbus RS485 Modbus RTU Fuction earth grey Flame intensity 0 4 20 mA Range switch over black Schutzleiter braun wei gr n Flammenmeldung EIN Klemml...

Страница 48: ...enough to blow away heavy particles must therefore be aimed toward the combustion chamber In applications with low particle levels like gas burners air velocities of v 1 m s will sufficiently purge t...

Страница 49: ...elf may also be affected The operator must therefore ensure that The operator must therefore ensure that the purge air supply operates reliably and without interruption the purge air supply operates r...

Страница 50: ...ety must ensure that only qualified authorised personnel operate the system described in this Manual Particular care must be taken to ensure that the warnings on operator protection and system protect...

Страница 51: ...me Monitor 6 1 Adjusting the thresholds 6 2 Setting the gain characteristic curve 6 3 Range selection 6 4 Setting the Modbus address 6 5 Setting process 6 5 1 Setting by means of current output LED 6...

Страница 52: ......

Страница 53: ...order to prevent damage to equipment CAUTION Damage to electronic components through electrostatic discharge ESD DURAG devices are protected from uncontrolled electrostatic discharge ESD during closed...

Страница 54: ...e flame and the background radiation Figure 6 4 to decide between Flame OFF and Flame ON The settings of both thresholds allow the commissioning engineer operator of the furnace plant to decide which...

Страница 55: ...he same position within 8s If there are any differences between the channels rotary switches the red Switch Error LED illuminates and an error shutdown of the Compact Flame Monitor is carried out afte...

Страница 56: ...the threshold The detection of periodic signals is also switched off With a switch position 0 zero a threshold is defined The flicker frequency measured at the flame must exceed this threshold to prod...

Страница 57: ...ion of 8 different gain characteristic curves Figure 6 5 V1 V8 for different combustion conditions The steeper the selected gain characteristic curve the higher the input gain of the flame monitor and...

Страница 58: ...f on on off on on V1 on on on on on on DIP positions 1 and 2 must not be changed see 6 6 page 64 Presetting at delivery Table 6 1 Setting MODE switches S3 and S4 When setting the gain characteristic c...

Страница 59: ...D LX 720 59 6 4 Setting the Modbus address In order to use the evaluation software described in chapter 7 from page 69 D LX 200 InformationCentre to display and store the data of the D LX 200 D LX 720...

Страница 60: ...the Flame ON signal is closed Basic setting MODE switches S3 and S4 printed circuit board no 2 must be set to current gain characteristic curve V8 Table 6 1 page 58 All rotary switches printed circui...

Страница 61: ...no yes Note Burner switches off yes Current output LED ON 20 mA Flame Turn intens switch one step further clockwise End no Intens switch 0 no yes yes Basic setting rotary gain switch Gain characteris...

Страница 62: ...acteristic curve enables a greater signal difference between background radiation and useful light If Range A and Range B are used the settings for each range must be made separately Please also note...

Страница 63: ...limitation so can be turned in any direction as often as desired Background radiation monitoring Has the gain characteristic curve already been reduced no Background radiation adaptation Note Burner s...

Страница 64: ...iation and useful light If Range A and Range B are used the settings for each range must be made separately Please also note the information for the Range selection from page 59 6 6 Safety time The sa...

Страница 65: ...1s off off 2s on off 3s off on 5s on on DIP positions 1 and 2 must be set in accordance with the safety time noted on the type plate Table 6 2 Setting MODE switches S3 and S4 To avoid an error shutdo...

Страница 66: ......

Страница 67: ...Centre PC Version 7 1 System requirements 7 2 Installation 7 3 Start Execute 7 3 1 Flame Information 7 3 2 Flame Sensor Signal 7 3 3 System Settings 7 4 Pull down menus 7 4 1 File 7 4 2 Connection 7 4...

Страница 68: ......

Страница 69: ...and a screen resolution of 1024 768 The font size setting should be 96 dpi as otherwise incorrect displays can result Data is transferred between D LX 200 D LX 720 and PC via an RS 485 interface If th...

Страница 70: ...eady for operation the communication interface settings must be checked and corrected if necessary Other error sources may be the interface cable an inadequate electrical contact and the adapter used...

Страница 71: ...een successfully established the program changes to the following display Figure 7 3 Display view of the InformationCentre The actual data transfer from the D LX 200 D LX 720 is initiated with the Sta...

Страница 72: ...LX 200 D LX 720 RangeA RangeB which result in the Flame ON operating state when exceeded The threshold value of the active range is displayed in red Frequency The Frequency value indicates the measure...

Страница 73: ...e signal for a measuring cycle AC signal and the DC signal DC signal of the flame continuous light portion of the flame radiation The values for Intensity Frequency Flame Intensity and Flame ON or Fla...

Страница 74: ...st value Displays setting of the Intens rotary switch Switch Value 2 nd value Intensity threshold Threshold Frequency 1 st value Displays setting of the Freq rotary switch Switch Value 2 nd value Fre...

Страница 75: ...Figure 7 8 you can select the storage interval all data or 1 data record second and the number of data records file If this quantity is exceeded the program automatically creates a new file Figure 7...

Страница 76: ...s can be set to 0 20mA or 4 20mA using the DIP switch in the device see Table 6 2 from page 65 With the help of the Adjust CurrentOutput menu item the user can trim the current output i e the values 0...

Страница 77: ...essage 7 6 Structure of the stored data records The InformationCentre gives you the option of storing the determined data Information on the necessary settings can be found in chapter 7 4 1 File on pa...

Страница 78: ...Low Byte 170 Param 10 Flame intensity by MC3 171 Param 11 MC1 Error code MC1 Gain 172 Param 12 AC Gain AC vu DC Gain DC vu 173 Param 13 Safety time for flame OFF Interval 200ms MC1 FLW config info 17...

Страница 79: ...n Limits Range A 185 Param 25 Frequency A Frequency A MC2 Switch position Limits Range B 186 Param 26 Frequency B Frequency B MC2 FLW config info 187 Param 27 SSL B SSL B SSL B SSL A SSL A SSL A SZ SZ...

Страница 80: ......

Страница 81: ...D LX 200 D LX 720 Compact Flame Monitor 0 08 8 8 Modbus 8 1 Hardware and boundary conditions 8 2 Setting the Modbus slave address 8 3 Modbus 8 4 DURAG Modbus DataMap...

Страница 82: ......

Страница 83: ...onnection of a number of devices max 32 are provided for The data cables must be implemented as twisted pairs 8 1 Hardware and boundary conditions The Compact Flame Monitor D LX 200 D LX 720 is equipp...

Страница 84: ...flame monitor can be set to Modbus slave addresses 1 to 64 with mode switch S5 printed circuit board no 2 i e the address space is larger than the max number of operable devices At delivery the Modbu...

Страница 85: ...f off on on on on Modbus ADDR 5 on on off on on on Modbus ADDR 6 off on off on on on Modbus ADDR 9 on on on off on on Modbus ADDR 64 off off off off off off DIP position 7 is reserved Presetting at de...

Страница 86: ...ILLEGAL FUNCTION is returned If attempts are made to read or write to an unavailable or blocked storage area Modbus Exception 02 ILLEGAL DATA ADDRESS is sent Modbus FunctionCode 0x03 0x04 Read 16BitR...

Страница 87: ...x007D Byte count of Registers 1 byte 2 x N Register Value N x 2 bytes Value CRC 2 bytes SA FC DATA N Quantity of Registers Table 8 8 Modbus FunctionCode 0x10 Write Multiple 16BitRegisters Request Resp...

Страница 88: ...II 1234567890 Primary device firmware revision 2 34 0x0022 BCD 01 00 R 0000 Secondary device firmware revision 2 36 0x0024 BCD 01 00 R 0000 Parameter Description Register Quantity Register Addr dec he...

Страница 89: ...1 MC2 G 1 2059 080B MC1 GCB GCA MC2 GCB GCA x x Safety time info MC1 H 1 2060 080C 1 2 3 5 seconds SZFA 5s 24 0 x x Safety time info MC2 H 1 2061 080D 1 2 3 5 seconds SZFA 5s 24 0 x x Flame monitor st...

Страница 90: ...Current output 0 0 20mA 1 4 20mA free Flame Harmonic detection Range A 0 B 1 Switch difference MC1 or MC2 Frequency Intensity L D LX 200 D LX 720 error information This register contains the plausible...

Страница 91: ...bus D LX 200 D LX 720 91 N AD values These registers contain 128AD values with the digitized flame sensor raw signal information Register 2069 0815 Register 2132 0854 R0H R0L R0H R0L AD0 AD1 AD126 AD1...

Страница 92: ......

Страница 93: ...t Flame Monitor 9 9 9 Maintenance 9 1 Customer service information 9 2 Safety 9 3 Maintenance intervals 9 4 Maintenance tasks 9 5 Fault 9 5 1 Error messages 9 5 2 Warning of different switch position...

Страница 94: ......

Страница 95: ...protection have been opened live parts are accessible Before working on the device the mains connection leads must therefore be disconnected from the power and protected against unauthorized re activa...

Страница 96: ...me monitor for soiling Remove visible deposits with oil free compressed air or with a soft lint free cloth optical cleaning cloth or microfibre cloth using water and alcohol if necessary If soiling is...

Страница 97: ...et key is pressed Reset can also be achieved by temporarily removing the power supply e g by disconnecting the yellow 24V supply cable This eliminates the need to open the housing cover Irrespective o...

Страница 98: ...an artificial light source for example Harmonic detection guarantees that artificial light sources cannot be classified as flames by the D LX 200 D LX 720 When the D LX 200 D LX 720 measures a consta...

Страница 99: ...the basic device 10 2 Factory settings default 10 3 Technical data for the integrated flame sensor 10 4 Presettings 11 Plans and Drawings for D LX 200 D LX 720 11 1 Wiring diagram D LX 200 D LX 720 11...

Страница 100: ......

Страница 101: ...n Approx 5 W Fuse protection F1 0 5 A slow blow MST 250 F2 0 5 A slow blow MST 250 Current output 0 4 20 mA Flame intensity Max load 750 Ohm Flame contact Closing contact active when Flame ON Operatio...

Страница 102: ...e 10 3 Technical data for the integrated flame sensor 190nm 520nm D LX 200 UA 280nm 410nm D LX 200 UAF 780nm 1800nm D LX 200 IG Spectral sensitivity Flame sensor gain Automatic adjustment Optical view...

Страница 103: ...haltung schwarz gr n gelb gelb blau rot orange violett External Reset Betriebsbereit Netz Netz AC power supply Protective earth brown white green pink Flame ON indication Fieldbus RS485 Modbus RTU Fuc...

Страница 104: ...Plans and Drawings for D LX 200 D LX 720 104 D LX 200 D LX 720 11 2 Dimensional drawings 11 2 1 D LX 200 D LX 200_Massbild_001 Figure 11 2 Dimensional drawing D LX 200...

Страница 105: ...Plans and Drawings for D LX 200 D LX 720 11 2 2 D LX 720 113 84 36 174 D LX 720_Massbild_001 Figure 11 3 Dimensional drawing D LX 720 D LX 200 D LX 720 105...

Страница 106: ......

Страница 107: ...standards and manufacturer s instructions EU Richtlinien Directives 2004 108 EG EMV Richtlinie 90 396 EWG Gasger te Richtlinie 94 9 EG ATEX Richtlinie 2006 95 EG Niederspannungsrichtlinie 2004 108 EE...

Страница 108: ...Declaration of conformity 108 D LX 200 D LX 720...

Страница 109: ...sly standard parallel wiring of binary signals and analogue signal transmission with digital transmission technology DIP switches are small switches which are used e g on the motherboard or other prin...

Страница 110: ...the US American Federal Communications Commission FCC and the connectors and jacks used for this purpose RJ plug connections are now used worldwide for telephone and network connections These connecto...

Страница 111: ...Codes for the D LX 200 D LX 720 97 Messages on the D LX 200 D LX 720 97 Error messages 77 Error shutdown 36 F Fault 96 Fields of application 27 Flame sensor Infrared 35 Ultraviolet 34 Flow chart for s...

Страница 112: ...ch S5 84 no 2 DIP switches S3 and S4 58 no 4 Jumper X2 84 Numbering 54 Purge air connection 49 R Range 59 Range switching 59 Reset 97 RS485 interface 110 S Safety instructions general 17 Safety screw...

Страница 113: ...on the purge air 49 W Warnings gen Average risk Warning 13 High risk Danger 12 Minor risk Caution 13 Warnings meaning 12 Warnings spec Electric current 13 ESD 13 Explosion 13 General warning sign 13...

Страница 114: ......

Страница 115: ...l 49 21 02 74 00 0 Fax 49 21 02 74 00 28 E mail dvw durag de DURAG France Sarl Parc GIP Paris Charles de Gaulle 49 rue L onard de Vinci BP 70166 95691 GOUSSAINVILLE France Tel 33 1 30 18 11 80 Fax 33...

Страница 116: ...GmbH Kollaustra e 105 22453 Hamburg www durag de...

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