DEGA NS III LCD Instruction Manual Download

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Content

For your safety .................................................................................................................................................................................. 3

Technical data and information ........................................................................................................................................................ 3

Operational conditions ..................................................................................................................................................................... 4

Terminology ...................................................................................................................................................................................... 4

Product desciption ............................................................................................................................................................................ 5

Instalation, assembly and disassembly of the transmitter ............................................................................................................... 6

1. Assembly of the transmitter ................................................................................................................................................. 6

2. Replacement of the sensor module ...................................................................................................................................... 6

3. Replacement of the battery .................................................................................................................................................. 6

4. Connecting the transmitter via current loop to the controler DEGA UPA II DEGA UPA III a DEGA UDA III .......................... 6

5. Connecting the sensor via RS485 to the controller DEGA UPA III/UDA III ............................................................................ 7

6. Installation of wiring for RS485 ............................................................................................................................................. 7

Selecting the appropriate type of cable depends on the fire report and the protocol for determining external influences. .... 7

7. Setting the RS485 adress of the transmitter......................................................................................................................... 7

8. Terminating resistor .............................................................................................................................................................. 7

9. Communication protocol switch DEGA/MODBUS ................................................................................................................ 8

Transmitter functions ....................................................................................................................................................................... 8

1. Turning on the transmitter ................................................................................................................................................... 8

2. Gas detection ........................................................................................................................................................................ 8

3. Malfunction ........................................................................................................................................................................... 8

4. Monitoring the calibration periods ....................................................................................................................................... 8

5. Reading the record of measured concentrations and alarms .............................................................................................. 8

Operation, maintenance, inspection and service of the transmitter ............................................................................................... 8

1. Usage limits ........................................................................................................................................................................... 8

2. Operation .............................................................................................................................................................................. 9

3. Operation/Maintenance ....................................................................................................................................................... 9

Accessories and basic types of transmitters ..................................................................................................................................... 9

1. Calibration adapter/connection to the gas pump DEGA GAS INLET .................................................................................... 9

2. Cover against splashing water DEGA WATER CAP .............................................................................................................. 10

3. Funnel for gas collection DEGA COLLECT CAP .................................................................................................................... 10

4. Additional Ex „d“ bushing DEGA VÝVODKApro NSxIII ......................................................................................................... 10

Basic types of transmitters ............................................................................................................................................................. 10

1. Transmitters with a catalytic sensor NSx-CL III ................................................................................................................... 10

2. Transmitters with an electrochemical sensor NSx-EL III ..................................................................................................... 10

3. Transmitters with an infrared sensor NSx-IL III................................................................................................................... 12

4. Transmitters with a semiconductor sensor NSx-SL III ......................................................................................................... 13

5. Transmitters with a PID sensor NSx-PID III ......................................................................................................................... 13

Attachments .................................................................................................................................................................................... 13

1. Chart for setting the transmitter adress ............................................................................................................................. 13

2. Signalization transmitted by the current loop 4-20mA ...................................................................................................... 13

General warranty terms and conditions ......................................................................................................................................... 14

Summary of Contents for NS III LCD

Page 1: ...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: ...tter 8 2 Gas detection 8 3 Malfunction 8 4 Monitoring the calibration periods 8 5 Reading the record of measured concentrations and alarms 8 Operation maintenance inspection and service of the transmitter 8 1 Usage limits 8 2 Operation 9 3 Operation Maintenance 9 Accessories and basic types of transmitters 9 1 Calibration adapter connection to the gas pump DEGA GAS INLET 9 2 Cover against splashin...

Page 3: ...tter sensors with respect to the environment Transmitter sensors contain hazardous substances Dispose 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 prod...

Page 4: ...LCD RE max 30 min DEGA NSx SL III DEGA NSx PL III PID 90 mA 2 2 W 154 mA 3 7 W DEGA NSx SL II LCD RE DEGA NSx PL III PID max 5 h max 30 min Response time T90 Sensor lifetime in a clean environment DEGA NSx EL II LCD RE max 180 s based on sensor type DEGA NSx EL II LCD RE 2 years DEGA NSx CL II LCD RE max 15 s DEGA NSx CL II LCD RE 2 years DEGA NSx IL II LCD RE max 15 s DEGA NSx IL II LCD RE 5 year...

Page 5: ...atalyst poisons sulfur and silicon compounds which cause a change of sensitivity of catalytic sensors The sensors are characterized by high stability and a long lifetime DEGA NSx SL III with a semiconductor sensor Cheapest method of scanning They operate on the principle of changes in electrical conductivity of semiconductors by changing the concentration of the detected gas Their advatage is a lo...

Page 6: ...smitter with the four hexagon socket screws 4mm 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...

Page 7: ... 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 position 6...

Page 8: ...alue to the evaluation unit via DEGA MOBUS protocol 3 Malfunction If a malfunction of electronics or the sensor is detected during operation the transmitters starts transmitting via a 0 5mA current loop On the PCB this state is indicated by the yellow LED ERR 4 Monitoring the calibration periods The transmitter continuously checks the calibration validity of the connected sensor After 12 months si...

Page 9: ... is set can cause an alarm even if the concentration of the gas does not exceed the set level Given the range of disturbing gases or vapors diluents exhaust gases vapors of organic substances disinfectants etc a generally allowable concentration of interfering gases can not be determined Data on cross sensitivity to certail gases are included at the apporpriate sensors Therefore before processing ...

Page 10: ...ording to the selectivity of the sensor 2 Transmitters with an electrochemical sensor NSx EL III Product code Transmitter type Detected gas Measurement range Measurement of current loop 4 20mA Resolution Calibration gas 40100022 DEGA NSCO EL 1000 III Carbon Monoxide CO 0 1000 ppm 0 130 ppm 1 ppm Carbon Monoxide 130 ppm 40100019 DEGA NSCO EL 200 III Carbon Monoxide CO 0 200 ppm 0 200 ppm 0 1 ppm Ca...

Page 11: ...de 20 ppm 40100049 DEGA NSNO2 EL 100 III Nitrogen dioxide NO2 0 100 ppm 0 100 ppm 0 1 ppm Nitrogen dioxide 20 ppm 40100050 DEGA NSNO2 EL 500 III Nitrogen dioxide NO2 0 500 ppm 0 500 ppm 1 ppm Nitrogen dioxide 100 ppm 40100046 DEGA NSNO EL 250 III Nitric oxide NO 0 250 ppm 0 15 ppm 0 1 ppm Nitric oxide 150 ppm 40100045 DEGA NSNO EL 25 III Nitric oxide NO 0 25 ppm 0 25 ppm 0 1 ppm Nitric oxide 15 pp...

Page 12: ...de 250 ppm 40100033 DEGA NSHBr EL 20 III Hydrogen bromide HBr 0 20 ppm 0 20 ppm 0 01 ppm Hydrogen sulfide 25 ppm 40100034 DEGA NSHBr EL 200 III Hydrogen bromide HBr 0 200 ppm 0 200 ppm 0 1 ppm Hydrogen sulfide 250 ppm 40100038 DEGA NSHF EL 10 III Hydrogen fluoride HF 0 10 ppm 0 10 ppm 0 01 ppm Nitrogen dioxide 20ppm 40100067 DEGA NSVOC EL 20 III VOC 0 20 ppm 0 20 ppm 0 01 ppm VOC 20ppm 40100003 DE...

Page 13: ...4000 ppm 0 500 ppm 0 1ppm Izobutylene 300ppm LEL Lowest explosion level ALARM PEL Permitted exposure limit maximal permitted value of the avarage concentration over time Alarm settings can be chosen freely according to customer requirements in measurement range Attachments 1 Chart for setting the transmitter adress adress 1 2 3 4 5 1 ON OFF OFF OFF OFF 2 OFF ON OFF OFF OFF 3 ON ON OFF OFF OFF 4 OF...

Page 14: ...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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