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Axetris AG

LGD Compact Integration Guide V1.8

04.12.2019

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Index

GENERAL USER INFORMATION ........................................................................................................ 9

1.1

LGD Compact introduction ............................................................................................................ 9

1.2

General Specifications ................................................................................................................... 9

Environmental conditions ....................................................................................................... 9

Mechanical characteristics ................................................................................................... 10

Electrical characteristics ...................................................................................................... 10

Data interface....................................................................................................................... 10

1.3

Measurement software / Customer Frontend .............................................................................. 11

SYSTEM SET-UP FOR EVALUATION ............................................................................................... 12

2.1

Operation conditions, storage & transport ................................................................................... 12

2.2

System dimensions and mounting ............................................................................................... 12

Sensor module ..................................................................................................................... 13

Electronics ........................................................................................................................... 13

2.3

Electrical Interfaces ..................................................................................................................... 14

D-Sub power supply and communication J1 (15pol, 2 rows) .............................................. 15

Micromatch connector J3 (16pol) ........................................................................................ 16

Micromatch connector J5 (20pol) ........................................................................................ 17

D-Sub sensor module J2 (15pol, 3 rows) ............................................................................ 17

Micromatch connector J6 (10pol) ........................................................................................ 18

Supply voltages and output signals ..................................................................................... 19

2.4

Gas conditioning and filtering information ................................................................................... 19

2.5

Calibration / calibration verification / offset and span .................................................................. 20

2.6

Zeroing and Purging .................................................................................................................... 20

2.7

Gas supply ................................................................................................................................... 21

2.8

Adjusting firmware integration time (T90) .................................................................................... 21

INSTRUCTIONS FOR LGD SYSTEM INTEGRATION ....................................................................... 21

3.1

Integration options ....................................................................................................................... 21

With electronics housing ...................................................................................................... 22

Without housing ................................................................................................................... 23

Without housing and without interface board ...................................................................... 23

Instructions for cable packaging .......................................................................................... 24

3.2

Data transmission protocol .......................................................................................................... 25

RS232 Serial settings .......................................................................................................... 25

Overall communication structure ......................................................................................... 25

Timing & RS232-protocol..................................................................................................... 27

3.3

Measurement data format ........................................................................................................... 28

3.4

Change of user parameters ......................................................................................................... 29

3.5

Commands .................................................................................................................................. 29

Version ................................................................................................................................. 29

Stop measurement (Idle) ..................................................................................................... 30

Ping user data ...................................................................................................................... 30

Configure user data ............................................................................................................. 31

Save to EEPROM ................................................................................................................ 32

Starting measurements........................................................................................................ 32

3.6

Status, error and failure response ............................................................................................... 33

Содержание LGD Compact

Страница 1: ...Integration Guide V1 8 Laser Gas Detection OEM Module LGD Compact Axetris AG...

Страница 2: ...etris axetris com www axetris com Americas Exclusive Distributor Leister Technologies LLC 1275 Hamilton Parkway Itasca IL 60143 USA Toll Free 1 844 AXETRIS 844 293 8747 Fax 1 630 760 1001 axetris usa...

Страница 3: ...lly explosive environment No ATEX certification Note Risk of burning Do not touch gas connections or housing when they are hot Allow the device to cool down Repairs shall be assigned exclusively to an...

Страница 4: ...segura Deben respetarse todas las advertencias y la informaci n incluidas en el manual de instrucciones Avvertenza Attenzione Pericolo Non aprire l apparecchio Laser categoria 1 Far funzionare il sen...

Страница 5: ...Axetris AG LGD Compact Integration Guide V1 8 04 12 2019 5 34 1 800 1100 mbar ATEX Axetris 1 800 1100 mbar ATEX Axetris...

Страница 6: ...n Correct set up and operation of the instrument will allow you to use it safely and to obtain reliable measurement results Any warranties regarding this product and as mentioned in the General Terms...

Страница 7: ...lure to comply with these instructions can result in product damage Danger to life Unprofessional gas handling can cause injury or death The use of the gas sensor modules should only be performed by q...

Страница 8: ...ows 17 Micromatch connector J6 10pol 18 Supply voltages and output signals 19 2 4 Gas conditioning and filtering information 19 2 5 Calibration calibration verification offset and span 20 2 6 Zeroing...

Страница 9: ...urement conditions Calibration is factory set according to customer application requirements generally re calibration is not necessary except in cases where the customer application conditions differ...

Страница 10: ...inless steel angled Electrical characteristics Parameter Unit Value Range Voltage supply min max VDC 3 6 5 and 10 30 max ripple 100mV max current 1A no inrush current limitation Note if the module is...

Страница 11: ...loaded or distributed via offline media i e USB CDROM etc 3 LGD Frontend Portable Executable A portable collection of files which can immediately executed without any installation procedure on any mac...

Страница 12: ...g module is calibrated to a certain gas temperature and pressure Deviations in both parameters can lead to significant degrading of measurement accuracy The LGD Compact instrument continuously measure...

Страница 13: ...LGD Compact A module dimensions and interfaces for fixation and gas supply Electronics The electronics is located in a separate housing The outer dimensions of the electronic housing are 257 x 83 x 26...

Страница 14: ...able to the sensor module are marked on the cable connector as well as on the sensor module Figure 6 Correct connection of cable and sensor module 2 3 Electrical Interfaces The standard LGD interface...

Страница 15: ...ntegrating both system power supply and RS232 are provided straight RS232 version not crossed The DB15 plug on the right hand side in Figure 7 connects to the mainboard of the instrument mainboard con...

Страница 16: ...ware watchdog etc 11 ALARM 3 HW watchdog firmware error and warnings 12 VCC RELAY Relay power supply 10 V VCC Relay 30 V max 0 75 A 13 GND Ground digital alarms Analog Interface 9 ANALOG GND Analog gr...

Страница 17: ...igital Interfaces 4 TXD TTL UART serial communication TTL Level 5 RXD TTL UART serial communication TTL Level Digital Alarms 13 ALARM 1 Signal for alarm 1 from Microcontroller contact Axetris if neede...

Страница 18: ...lization 7 Laser_TEC 4 Laser_PT1K Thermal resistance for optical head temperature measurement Temperature measurement 13 Gascell_PT1K Thermal resistance for gas temperature measurement 14 Gascell_GND...

Страница 19: ...he measurement cell and degrade the optical transmission more or less quickly Contamination strongly depends on particle size material charging effects etc which can vary considerably across different...

Страница 20: ...of offset and span adjust for calibration correction Adjustment of the sensor calibration Concentration_Offset ppm and Concentration_Span ppm allows correcting the measured values with the linear func...

Страница 21: ...nt of the final value T90 The character of this type of integration is very similar to a standard moving average but is more economic in terms of memory take up The value set in the user interface wil...

Страница 22: ...as shown in Figure 15 Figure 15 Shielding concept with electronics housing Figure 16 shielding via mounting screws of electronic housing The shielding connection of the electronics boards and the sens...

Страница 23: ...e earth potential The six marked screws see Figure 17 have to be connected to the same earth potential Without housing and without interface board Figure 18 Ground concept without housing and without...

Страница 24: ...Type product productId 1430200 All EMC tests were done with this cable packaging If this cable cannot be used due to integration issues please be aware of the following recommendations for the cable p...

Страница 25: ...32 Serial settings Default parameters for the serial communication to the sensor Baud rate 9600 19200 115200 Data bits 8 Parity no Stop bit 1 Flow control no Overall communication structure In the fol...

Страница 26: ...x 7B 50 08 00 10 00 1D 7D Command in ASCII P Description Start of packet Command P ping Packet size here 8 bytes Extended command and Parameter here 10 Additional zeros to reach multiple of 8 Checksum...

Страница 27: ...byte 3 and 4 4 The checksum must be OK 5 End of each packet must be The checksum or CS in the unsigned integer 8 bit format of a packet can be calculated with following formula and excludes the last c...

Страница 28: ...packets continuously roughly every second All float and integer values have the little endian format according to Norm IEEE 754 For different sensor types the measurement packets have the following fo...

Страница 29: ...0 Start measurement M Start the Measurement again to go back to normal measurement mode see Chapter 3 5 6 Important It is absolutely necessary to write all the user parameters in one packet If just o...

Страница 30: ...I J As a confirmation the sensor responds with an Idle without any data The sensor now is in Idle mode standby and waits for further commands It won t send any further data or packages Ping user data...

Страница 31: ...ros 79 80 7F 7D End of packet with checksum Please note that this general description may be subject to changes depending on single product execution Configure user data The Config command is used to...

Страница 32: ...tion Save to EEPROM Changing the user parameter just stores them in the RAM To save them from RAM to EEPROM use the save command Command in Hex 7B 53 08 00 40 EA 00 7D Command in ASCII S As a confirma...

Страница 33: ...ket contains status warning and error codes Failure Packet Table 17 Failure packet sent from sensor Error checksum not correct Response in Hex 7B 46 08 00 C1 0F 67 7D Response in ASCII F g The Failure...

Страница 34: ...14 30 EU valid from 04 20 2016 2011 65 EU Harmonized standards EN ISO 12100 SN EN 60825 1 2014 08 EN 61326 1 EN 61000 6 3 EN 55011 EN 50581 2012 Kaegiswil 20 11 2019 Torsten Platz CTO Patrick Blessing...

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