Leister axetris LGD Compact A Operating Instructions Manual Download Page 1

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Operating & Integration Instructions

Laser Gas Detection

OEM Module

LGD Compact

Summary of Contents for axetris LGD Compact A

Page 1: ...Operating Integration Instructions Laser Gas Detection OEM Module LGD Compact...

Page 2: ...axetris 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 u...

Page 3: ...tially 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...

Page 4: ...na 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 l ap...

Page 5: ...Axetris AG LGD Compact Operating Integration Instructions Rev D 5 46 1 800 1100 mbar ATEX Axetris 1 800 1100 mbar ATEX Axetris...

Page 6: ...in the specified measurement precision 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 a...

Page 7: ...Failure 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...

Page 8: ...9 Micromatch connector J6 10pol 20 Supply voltages and output signals 20 2 4 Gas conditioning and filtering information 21 2 5 Calibration calibration verification offset and span 21 2 6 Zeroing and P...

Page 9: ...NCE AND TROUBLE SHOOTING 35 4 1 Maintenance 35 4 2 Troubleshooting 36 5 IMPORTANT DISCLAIMER NOTICE 37 6 FCC STATEMENT 37 ANNEX 38 A Status Warning and Error Code Listing for Evaluation 38 B Status Wa...

Page 10: ...d measurement conditions Calibration is factory set according to customer application requirements generally re calibration is not necessary except in cases where the customer application conditions d...

Page 11: ...tage supply with interface board min max VDC 10 30 max ripple 100mV max current 1A inrush current limitation Voltage supply without interface board min max VDC 3 7 5 no inrush current limitation Power...

Page 12: ...Frontend is a NET application providing a user interface to LGD modules using the LGD communication driver Users have access to normal LGD functions including reading measurements and diagnostic data...

Page 13: ...ing 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 module continuously measures...

Page 14: ...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 26mm L...

Page 15: ...dule To fix the cable the wheel must be screwed counter clockwise Figure 6 Correct connection of cable and sensor module 2 3 Electrical Interfaces The standard LGD interface is a RS232 connection Conn...

Page 16: ...to the mainboard of the instrument mainboard connector in Figure 8 while the DB9 connector on the left hand side in connects to the computer The electronic housing has two 15pol D Sub connectors one...

Page 17: ...ardware 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...

Page 18: ...gital hardware on interface board not used in case of removing the interface board Digital Interfaces 4 TXD TTL UART serial communication TTL Level 5 RXD TTL UART serial communication TTL Level Digita...

Page 19: ...1 PD_I Photodiode 12 PD_GND Laser control 1 Laser_Drive Laser diode 9 Laser_GND 5 Laser_Supply3V3 8 Laser_Udiff 6 Laser_ID 2 Laser_Thermistor Thermal resistance for laser temperature measurement 3 Las...

Page 20: ...aser_Thermistor Thermal resistance for laser temperature measurement 3 Laser_GND 10 Laser_TEC Peltier element for laser temperature stabilization 7 Laser_TEC 4 Laser_PT1K Thermal resistance for optica...

Page 21: ...can be positively influenced by employing appropriate filter technology We recommend the use of commercial solutions available from industry specific manufacturers The temperature of the incoming samp...

Page 22: ...vice is important Leaks in the piping system can falsify the results It is therefore recommended to check the system for leaks The use of correct fittings and sealing helps to avoid leaks Use standard...

Page 23: ...ng and without the interface board the integrating Original Equipment Manufacturer has to ensure an appropriate shielding in order to avoid signal interferences resulting in decrease of measuring perf...

Page 24: ...o the 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 with...

Page 25: ...ether with electronic box If this shielded cable straight or angled version cannot be used due to integration issues please be aware of the following recommendations for the cable packaging Conductor...

Page 26: ...he integration and use of the sensor RS232 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 Ov...

Page 27: ...mand to transmit data to the device Ping user calibration Command in Hex 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...

Page 28: ...the number of bytes of a packet is not a multiple of 8 zeros have to be added between data and the checksum to reach a multiple of 8 Timing RS232 protocol Commands are formed by a set of bytes and can...

Page 29: ...Bytes Hex Description Data Type 7B 4D Begin of packet open brace M 2 Bytes 10 00 Packet size 16 Unsigned Integer 16 Bit 00 00 Error code 2 Bytes 28 54 EE 45 Concentration gas 1 7626 52 1 Float single...

Page 30: ...verwrite the desired value and write all the values back to the device If user data are not saved to EEPROM they will be lost after a reboot of the system The write cycles of an EEPROM are limited dep...

Page 31: ...e Possible HEX Description 1 4 7B 50 50 00 Start of packet with size 80 bytes 5 6 00 00 status code bytes 7 10 00 00 40 40 Concentration gas 1 Offset here 3 11 14 CD CC 8C 3F Concentration gas 1 Span...

Page 32: ...product execution in the LGD Customer Frontend Configure user data The Config command is used to change the user data of the system The parameter of this command is the list of the user data Table 15...

Page 33: ...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 confirmation the device responds with a Save packet without any data The wr...

Page 34: ...cycles it can transmit separate error or failure packets Both do not contain any further data Error Packet Table 16 Error packet sent from device Low power on the photodiode Response in Hex 7B 45 08 0...

Page 35: ...ct your Axetris sales person It is important that this device is serviced only by adequately trained and qualified personnel This instrument contains electronic components that might be damaged by sta...

Page 36: ...n and calibration range After verifying the factors above follow the troubleshooting procedures outlined here below Problem Possible cause Solution No signal No value output No power supply or wrong p...

Page 37: ...a class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interferences in a residential installation This equipment gene...

Page 38: ...temperature within range there is a system failure service required 0xF2 E Laser driver failure Sensor not measuring Check for other errors 0xFB Service required Policy not yet defiend Reset the senso...

Page 39: ...uffer within specified time Check command structure Respect timing RS 232 RX Buffer empty Too few bytes in buffer within specified time 0x30 E Overrun RX data A new byte was received but the last one...

Page 40: ...an 0 0 01 0 0 Offset For this example the sensor parameters to type into the interface are AnalogOut_Min_Conc AnalogOut_Max_Conc AnalogOut_Offset AnalogOut_Span 0 100 0 0 01 Example 2 50 ppm 4 mA or 0...

Page 41: ...ensor parameters to type into the interface are AnalogOut_Min_Conc AnalogOut_Max_Conc AnalogOut_Offset AnalogOut_Span 50 100 0 25 0 01 Example 4 50 ppm 16 mA or 3 75 V 100 ppm 8 mA or 1 25 V min max d...

Page 42: ...Operating Integration Instructions Rev D 42 46 D Product Dimensions Figure 23 General view of the LGD Compact A module execution without electronics housing Figure 24 Side and front view with gas conn...

Page 43: ...Axetris AG LGD Compact Operating Integration Instructions Rev D 43 46 Figure 25 View of the electronics housing Dimensions in mm Figure 26 Main printed circuit board Dimensions in mm...

Page 44: ...Axetris AG LGD Compact Operating Integration Instructions Rev D 44 46 Figure 27 View of the interface printed circuit board Dimensions in mm...

Page 45: ...al Rui Protasio Document Owner Disposal Electrical equipment accessories and packaging should be recycled in an environment friendly way When you are disposing of our products please observe the natio...

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