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CODEL TunnelTech 100 Series, Техническое руководство

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Technical Manual 

 

 

 

 

 

 

 

CODEL 

 

Issue : A 

Rev. :  

Date : 29/06/2015 

Ref. : 100190 

 

Contents 

 
 

1.  System Description 

 

 

 

 

 

 

 

 

1 

 
1.1. Air Quality Monitor 

– Visibility & Cold Smoke Detection   

 

 

 

1 

 
1.2. Measurement Elements  

 

 

 

 

 

 

 

2 

 
1.3. LED Control 

 

 

 

 

 

 

 

 

 

2 

 
1.4. Detector Element 

 

 

 

 

 

 

 

 

2 

 
1.5. Diagnostic Data 

 

 

 

 

 

 

 

 

2 

 
1.6. Calibration 

 

 

 

 

 

 

 

 

 

2 

 
1.7. Auto Zero 

 

 

 

 

 

 

 

 

 

3 

 
1.8. Temperature Measurement  

 

 

 

 

 

 

 

3 

 

 

2.  Principles of Operation 

 

 

 

 

 

 

 

4 

 

2.1. Visibility Coefficient 

 

 

 

 

 

 

 

 

4 

 

2.2. Meteorological Visibility  

 

 

 

 

 

 

 

4 

 
 

3.  Specifications   

 

 

 

 

 

 

 

 

5 

 

3.1. General  

 

 

 

 

 

 

 

 

 

5 

 

3.2. Visibility Measurement   

 

 

 

 

 

 

 

5 

 

3.3. RS485 Interface 

 

 

 

 

 

 

 

 

6 

 

3.4. Modbus Protocol 

 

 

 

 

 

 

 

 

6 

 

 

4.  Installation 

 

 

 

 

 

 

 

 

 

7 

 

 

 

 

4.1. Mounting Details 

 

 

 

 

 

 

 

 

7 

 

4.2. Connections 

 

 

 

 

 

 

 

 

 

8 

 

4.3. Alignment of AQM Sensor 

 

 

 

 

 

 

 

10 

 
 

5.  Commissioning 

 

 

 

 

 

 

 

 

14 

 

5.1. Alignment 

 

 

 

 

 

 

 

 

 

14 

 

5.2. Power Up 

 

 

 

 

 

 

 

 

 

14 

 

5.3. Calibration 

 

 

 

 

 

 

 

 

 

14 

 

5.4. Milliamp Output  

 

 

 

 

 

 

 

 

14 

 

5.5. RS485 Modbus  

 

 

 

 

 

 

 

 

14 

Содержание TunnelTech 100 Series

Страница 1: ...NUAL TunnelTech 100 Series TunnelTech 101 Visibility Cold Smoke Detection CODEL International Ltd Station Building Station Road Bakewell Derbyshire DE45 1GE United Kingdom t 44 0 1629 814 351 f 44 0 8...

Страница 2: ...sist with any application problem to ensure that the best possible use is derived from investment in CODEL quality products If you require any further information about CODEL or its products please co...

Страница 3: ...Technical Manual CODEL Issue A Rev Date 29 06 2015 Ref 100190...

Страница 4: ...ation 2 1 7 Auto Zero 3 1 8 Temperature Measurement 3 2 Principles of Operation 4 2 1 Visibility Coefficient 4 2 2 Meteorological Visibility 4 3 Specifications 5 3 1 General 5 3 2 Visibility Measureme...

Страница 5: ...l Manual CODEL Issue A Rev Date 29 06 2015 Ref 100190 6 Data Communication 15 6 1 Hardware Configuration 15 6 2 Address Numbers 15 7 List of Figures 16 Appendix A 17 Appendix B 19 Appendix C 21 Append...

Страница 6: ......

Страница 7: ...ed throughout these instructions and are intended to ensure your safety while carrying out installation operation and maintenance procedures Please read these instructions fully before proceeding Caut...

Страница 8: ......

Страница 9: ...ter and receiver the transmitter projects a visible beam to a detector unit mounted 6m away in the receiver The specific absorption at the light transmitted over the 6m path is measured to determine t...

Страница 10: ...while the LED is illuminated and again after the LED is switched to check that the background levels haven t changed The high frequency at which this occurs provides the device with extremely high im...

Страница 11: ...uring the course of the day These periods usually occur at night when traffic loading is low These periods provide a reference condition for the measurement During normal operation the effect of conta...

Страница 12: ...oe KL where K is a parameter known as the visibility coefficient and is proportional to the concentration of the suspended particles and L is the path length of the beam I Io is the ratio of the measu...

Страница 13: ...DC 20VA 3 2 Visibility Measurement Measurement path 6m Visibility measuring range standard Visibility 0 15 x 10 3 m 1 other ranges selectable on setup Air temperature PT100 resistance thermometer rang...

Страница 14: ...gram to Edit the 7F3C file The numbers and locations are in hexadecimal Location 7F3C 00 Codel 01 MODBUS Location 7F1F Change only the above 2 bytes then save and send the file to the TunnelTech AQM N...

Страница 15: ...he TunnelTech 101 Air Quality Monitor AQM is carried on a pair of fabricated mounting brackets if supplied 4 1 1 TunnelTech 101 AQM The AQM comprises a transmitter and receiver unit Secure the AQM to...

Страница 16: ...f 100190 4 2 Connections Wiring should only be undertaken by a qualified technician The following electrical schematic Figure 3 illustrates the connections for the system A soldered connection is requ...

Страница 17: ...2 Vout 3 4 7 5 E 9 1 3 3 3 3 3 E 2 2 1 4 E 6 3 5 12 13 14 15 16 17 18 0ma ma MA Screen earth Contact 0MA Contact Sig 0V No connection 1 2 3 E 19 20 21 22 Tx A Rx B No connection No connection 1 Socket...

Страница 18: ...Note Align the transmitter and receiver prior to connecting power The AQM transmitter and receiver units should be mounted horizontally and should be properly aligned for optimum performance 4 3 1 Las...

Страница 19: ...e 11 CODEL Issue A Rev Date 29 06 2015 Ref 100190 Fit the assembly illustrated in Figure 4 onto the transmitter site tube Make sure the plate of the adapter and the sight tube connect flush in the ori...

Страница 20: ...e top of the sight tube Ensure that the holes in the adaptor flange locate onto the heads at the sight tube mounting bolts Loosen screw 1 slightly to allow movement at the bracket Position the laser l...

Страница 21: ...ing tube Loosen screw 2 slightly to allow movement at the bracket Position the laser line onto the centre of the receiver site tube then tighten screw 2 see Figure 6 Figure 6 Vertical Alignment 4 3 3...

Страница 22: ...which will last a minute The analyser will now be running in a zero condition 5 4 Milliamp Output The mA output ranges are factory set as 4 20 mA 5 5 RS485 Modbus All analysers are pre configured to...

Страница 23: ...supplies power to the AQM The current and relay outputs of the AQM communicate measurement data to the tunnels DCS system 6 2 Address Numbers Because communications between the interface and the sens...

Страница 24: ...90 7 List of Figures Figure 1 TunnelTech 101 AQM for visibility measurement and cold smoke detection 1 Figure 2 TunnelTech AQM Mounting Holes 7 Figure 3 Electrical Schematic 9 Figure 4 Mounting Laser...

Страница 25: ...ing wiring schematic and photograph illustrate the connections All AQMs are equipped with RS485 and will have labels indicating RS485 Connections in the plug are as follows Note that in the plug termi...

Страница 26: ...an be accessed per request The formats of the request and response frames are detailed below where X and n are hexadecimal variables An example of a MODBUS register map is shown below Host Request Fra...

Страница 27: ...0x0100 CODEL 0x0080 Modbus Read Only Register High Byte bit 0 Power Up bit 1 Zero Cal bit 2 Auto Detector Setup bit 3 Not Used bit 4 Not Used bit 5 Not Used bit 6 Not Used bit 7 Maintenance Low Byte b...

Страница 28: ...d 0x20 initiate EEPROM_ASCII_Instruction Command located in 7E30 0x21 MaintenanceStartCmd 0x21 0x22 MaintenanceStopCmd 0x22 Power Up Option Control Register 0x7F18 CODEL 0x3F8C Modbus Read and Write R...

Страница 29: ...PowerUpCounter_EEPROM 0x7F18 3F89_L PowerUpComd_EEPROM 0x7F19 16269 3F8D 0x7F1A 16270 3F8E VizDtMinimumThreshold_EEPROM 0x7F1C 16271 3F8F_H SpeciesPointer_EEPROM 0x7F1E 3F8F_L COMMSADDRESS_EEPROM 0x7F...

Страница 30: ...0x7F70 16313 3FB9 0x7F72 16314 3FBA 0x7F74 16315 3FBB 0x7F76 16316 3FBC 0x7F78 16317 3FBD 0x7F7A 16318 3FBE 0x7F7C 16319 3FBF 0x7F7E 16320 3FC0 mA1AbsLocation_EEPROM 0x7F80 16321 3FC1_H mA1Type_EEPROM...

Страница 31: ...e A Rev Date 29 06 2015 Ref 100190 16333 3FCD_H 0x7F9A 3FCD_L Alarm2SmoothingCoefficient_EEPROM 0x7F9B 16334 3FCE_H Alarm2Direction_EEPROM 0x7F9C 3FCE_L Alarm2Level_EEPROM 0x7F9D 16335 3FCF_H 0x7F9E 3...

Страница 32: ...x0118 141 008D 0x011A 142 008E Drx_Act_Sat_C_RAM 0x011C 143 008F Dtx_Ref_Sat_C_RAM 0x011E 144 0090 0x0120 145 0091 0x0122 146 0092 0x0124 147 0093 0x0126 148 0094 0x0128 149 0095 0x012A 150 0096 0x012...

Страница 33: ...17E 192 00C0 0x0180 193 00C1 0x0182 194 00C2 0x0184 195 00C3 0x0186 196 00C4 SetCalVis_Smoothed_RAM 0x0188 197 00C5 0x018A 198 00C6 0x018C 199 00C7 Opacity_Yautos_RAM 0x018E 200 00C8 0x0190 201 00C9 0...

Страница 34: ...Opacity_Inst_Copy_RAM 0x01D2 234 00EA Delta_Opacity_Copy_RAM 0x01D4 235 00EB Opacity_Meas_RAM 0x01D6 236 00EC Vis_Metres_Meas_RAM 0x01D8 237 00ED Vis_Km_1_Meas_RAM 0x01DA 238 00EE 0x01DC 239 00EF 0x0...

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