DEGA 040100118 Instruction Manual Download

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INSTUCTION

MANUAL

Gas Detection Transmitter

DEGA NS III LCD

Reproduction of this manual, or any part thereof, in any form, without the prior permission of

DEGA.CZ s.r.o. is prohibited.

DEGA CZ s.r.o. reserves the right to alter the specifications of the hardware and software

described in this manual at any time and without prior notice.

DEGA CZ s.r.o. bears no liable for any damage resulting from use of this device.

Summary of Contents for 040100118

Page 1: ...eof in any form without the prior permission of DEGA CZ s r o is prohibited DEGA CZ s r o reserves the right to alter the specifications of the hardware and software described in this manual at any time and without prior notice DEGA CZ s r o bears no liable for any damage resulting from use of this device ...

Page 2: ...on periods 8 5 Reading the record of measured concentrations and alarms 8 Transmitter controls 9 1 History menu HIST 10 2 Information menu INF 10 3 Settings menu SET 11 4 Test menu TEST 13 Operation maintenance inspection and service of the transmitter 14 1 Usage limits 14 2 Operation 14 3 Operation Maintenance 14 Accessories and basic types of transmitters 15 1 Calibration adapter connection to t...

Page 3: ...e of them in accordance with the current legislation on environmental protection Use the transmitter only with the appropriate certified DEGA products The device is certified as functionally and technically qualified only with original DEGA accessories In case of using the device with any other products the manufacturer is not liable for any damages that may occur Undertake regular functional chec...

Page 4: ...I LCD max 15 s DEGA NSx CL III LCD 2 years DEGA NSx IL III LCD max 15 s DEGA NSx IL III LCD 5 years DEGA NSx SL III LCD max 30 s DEGA NSx SL III LCD 2 years DEGA NSx PL III LCD max 15 s DEGA NSx PL III LCD 1 year Operational conditions Ambient temperature 40 C to 85 C Relative humidity 0 95 RH Air pressure 86 108 kPa Flow of ambient air max 2 m s flow directly to the sensor in not allowed Protecti...

Page 5: ... principle of changes in electrical conductivity of semiconductors by changing the concentration of the detected gas Their advatage is a long lifetime in a clean environment and a wide range of different types of gases and vapors Their disadvatage is their low selectivity the sensor largly responds to other gases for which it is not calibrated Other types DEGA NSx yL III basic version DEGA NSx yL ...

Page 6: ...b Disconnect the LCD motherboards c Mount the transmitter on a flat surface with four 6mm fasteners in height above the floor with the gas entrance facing downwards as specified by the detected substance d Direct the cable trough the bushing e Connect the cabeling to the terminal block When using the second Ex d bushing dismout the Ex d blind plug It is allowed to use only Ex d bushings with M20x1...

Page 7: ...te type of cable depends on the fire report and the protocol for determining external influences 7 Setting the RS485 adress of the transmitter Each transmitter must have a unique adress within the entire bus otherwise there will be communication collisions and malfunctions The transmitter adress can either be set internally using the DegaConfig program or using the DIP switch on the PCB If the pos...

Page 8: ... detection The transmitter continuously measures the detected gas concentration in the atmoshpere and converts it s current value into a 4 20 mA signal or transmits it s value to the evaluation unit via DEGA MOBUS protocol 3 Malfunction In case of malfunction the LCD displays the measured concentration an error code and a key symbol On the PCB this condition is indicated by the yellow ERR LED The ...

Page 9: ...hed alarm level Alarm indication BACK move backwards in the menu reducing the value FRONT move forwards in the menu increasing the value ENTER confirm enter the menu Placing a magnet into the indent for 2s activates the magnetic control which is displayed by the icon on the LCD Reaching level 4 alarm with catalytic and semiconductor sensors causes a ratchet phenomenon where even after recovery fro...

Page 10: ... the past 8 hours Return to History menu Highest concentration in the past 12 hours Displays the highest measured concentration and alarm for the past 12 hours Return to History menu Highest concentration in the past 24 hours Displays the highest measured concentration and alarm for the past 24 hours Return to History menu Highest concentration stored in the memory Displays the highest measured co...

Page 11: ...mA current Alarm level 1 Displays alarm level 1 Alarm level 2 Displays alarm level 2 Alarm level 3 Displays alarm level 3 Alarm level 4 Displays alarm level 4 3 Settings menu SET Protected by password 0004 By enetering a wrong password the transmitter returns to measurement mode The password can be changed in the menu SET PSWD Menu Display Description Calibration Sensor calibration Setting the ala...

Page 12: ...l restart Setting the alarms a Using select the concentration for alarm 1 Confirm b Using select the concentration for alarm 2 Confirm c Using select the concentration for alarm 3 Confirm d Using select the concentration for alarm 4 Confirm e Using switch between YES save settings or NO return to the Settings menu Confirm the selected option Setting the range of the 20mA current loop a Using selec...

Page 13: ...ngs nebo NO return to the Settings menu Confirm the selected option Setting the time a Using select a number in thousands Save the selected number b Using select a number in hundreds Save the selected number c Using select a number in tens Save the selected number d Using select a number in units Save the selected number e Using switch between YES save settings nebo NO return to the Settings menu ...

Page 14: ... content of less than 18 there will be an underestimation of the measured value 2 Operation To maintain proper operation of the transmitter it is neccesery to respect the fact that the presence of certain concentrations of gases or vapors other than those for which the sensor is set can cause an alarm even if the concentration of the gas does not exceed the set level Given the range of disturbing ...

Page 15: ...e LPG 0 100 LEL 0 20 LEL 0 1 LEL Butane 0 32 40100160 DEGA NSH CL 100 III LCD Hydrogen H2 0 100 LEL 0 20 LEL 0 1 LEL Hydrogen 0 8 40100157 DEGA NSHC CL 100 III LCD Other flammable and combustible gases and vapors according to the selectivity of the sensor 0 100 LEL 0 20 LEL 0 1 LEL According to the selectivity of the sensor 2 Transmitters with an electrochemical sensor NSx EL III LCD Product code ...

Page 16: ...ride 25 ppm 40100119 DEGA NSH2S EL 50 III LCD Hydrogen sulfide H2S 0 50 ppm 0 15 ppm 0 1 ppm Hydrogen sulfide 25 ppm 40100121 DEGA NSH2S EL 500 III LCD Hydrogen sulfide H2S 0 500 ppm 0 500 ppm 1 ppm Hydrogen sulfide 500 ppm 040100118 DEGA NSH2S EL 100 III LCD Hydrogen sulfide H2S 0 100 ppm 0 100 ppm 0 1 ppm Hydrogen sulfide 25 ppm 40100120 DEGA NSH2S EL 2000 III LCD Hydrogen sulfide H2S 0 2000 ppm...

Page 17: ...00 III LCD Phosphine PH3 0 200 ppm 0 200 ppm 0 1 ppm Hydrogen sulfide 25 ppm 40100147 DEGA NSPH3 EL 2000 III LCD Phosphine PH3 0 2000 ppm 0 2000 ppm 1 ppm Hydrogen sulfide 250 ppm 40100149 DEGA NSSIH4 EL 50 III LCD Silane SiH4 0 50 ppm 0 5 ppm 0 1 ppm Hydrogen sulfide 25 ppm 40100107 DEGA NSCLO2 EL 5 III LCD Chlorine dioxide ClO2 0 1 ppm 0 0 4 ppm 0 01 ppm Chlorine 5 ppm 40100116 DEGA NSH2O2 EL 10...

Page 18: ... combustible gases and vapors according to the selectivity of the sensor 0 100 LEL 0 20 LEL 0 1 Hexane 0 18 LEL 4 Transmitters with a semiconductor sensor NSx SL III LCD Product code Transmitter type Detected gas Measurement range Measurement of current loop 4 20mA Resolution Calibration gas 40100163 DEGA NSY SL 100 III LCD Acetylene C2H2 0 100 LEL 0 20 LEL 0 1 20 LEL 40100162 DEGA NSR SL 2000 III...

Page 19: ...1 ON ON ON ON ON 2 Table of error codes code cause solution 1 Sensor is not present EEPROM is not communicating Disconnect and reconnect the sensor then restart the sensor by disconnecting and reconnecting the power 2 Unknows sensor type Contact the manufacturer 3 Type 2 senesor type ID not found in the table setting LMP91000 Contact the manufacturer FW update required 4 CRC does not match the sen...

Page 20: ... If the error persists contact the manufacturer 130 The result of the AD covertion is out of range Contact the manufacturer 3 Signalization transmitted by the current loop 4 20mA Measurement The measure concentration is directly proportional to 4 20mA current output Exceeding the range of measured concentrations Current output ranges from 20 22mA End of valid calibration Current output transmits t...

Page 21: ...ct shall be replaced 616 paragraph 4 of the Commercial Code 6 The buyer who exercises the right of warranty repair is not entitled to the return of the parts that have been replaced 7 The warranty period can be extended for up to 48 months and its validity can be extended beyond the standard length on the basis of the conclusion of an individual warranty contract Further information may be obtaine...

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