CODEL Tunnel Tech 700 Series Скачать руководство пользователя страница 41 | Manualshive

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Technical Manual

CODEL

31

Appendix 1: MODBUS Communication & RS485 Connection

The MODBUS protocol output of the Tunnel Tech (TT) 700 Series AQM is taken via the 4-way plug.
RS485 connection is also available and the following wiring schematic and photograph illustrate the
connections for this feature.

All instruments will be supplied with a 4-way black plastic plug. Connections in the plug are as follows:

Note that in the plug, terminal 1 must be linked to terminal 3 and terminal

must be linked to

terminal 2. If no comms. are present first check the address switch setting and if this does not cure
the problem swap the polarity of TRx lines + and -.

Optional Extra

Diagnostic & Commissioning tool

Illustrated  is  the  serial  USB-RS485  interface
(complete  with  pc  software  drivers  &  cable)
supplied  by  CODEL  for  temporary  connection
to  the  AQM  during  commissioning  and
diagnostic communications.

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Содержание Tunnel Tech 700 Series

Страница 1: ...VIS Tunnel Tech 704 NO VIS Tunnel Tech 705 NO VIS Tunnel Tech 706 CO NO VIS Tunnel Tech 707 NO NO VIS Tunnel Tech 708 VIS Only Tunnel Atmosphere Monitoring System CO NO NO Vis CODEL International Ltd...

Страница 2: ...Issue A Rev 0 Date 25 04 17 Ref 100303...

Страница 3: ...CODEL Issue A Rev 0 Date 25 04 17 Ref 100303...

Страница 4: ...for the rest of the industry All development and design work is carried out in house by experienced engineers using proven state of the art CAD and software development techniques while stringent asse...

Страница 5: ...CODEL Issue A Rev 0 Date 25 04 17 Ref 100303...

Страница 6: ......

Страница 7: ...tor AQM 9 4 1 2 Power Supply Unit PSU 9 4 2 Connections 10 5 Commissioning 15 5 1 Power Up 15 5 2 Visibility Commissioning 15 5 2 1 Visibility Module Communication 15 5 2 2 Alignment 16 5 2 3 Detector...

Страница 8: ...v 0 Date 25 04 17 Ref 100303 7 2 Address Numbers 29 8 List of Figures 30 Appendix 1 MODBUS Communication RS485 Connection 31 Appendix 2 Optional Tunnel Display Unit TDU 34 Appendix 3 Optional Heated M...

Страница 9: ...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 10: ...Technical Manual CODEL Issue A Rev 0 Date 25 04 17 Ref 100303...

Страница 11: ...vide all the essential measurements necessary to monitor a tunnel atmosphere for Carbon Monoxide Nitric Oxide Visibility Nitrogen dioxide This is achieved by using a modular design concept so that the...

Страница 12: ...s to a reflector unit mounted 3m away A high powered modulated LED is used for the visible light source Optical visibility is measured by a silicon photo detector that determines the attenuation of th...

Страница 13: ...quality monitor 1 3 Power Supply Unit PSU The PSU is required to convert the mains 90 263V AC supply to the 12V or 24V DC required to power the AQM Figure 3 Tunnel Tech 700 Series power supply units...

Страница 14: ...as the transmissivity T of the system T e KL Thus visibility coefficient K 1 loge 1 L T where L 6m T is the measured transmissivity A visibility sensor measures the transmissivity of a light beam fro...

Страница 15: ...fter transmission to and reflection from the retro reflector unit The processor takes a series of measurements immediately prior to pulsing the emitter LED in order to monitor the inherent background...

Страница 16: ...egular access is not usually possible without a tunnel closure The second method is to automatically compensate for such a build up of contamination The technique used by Tunnel Tech relies on the ass...

Страница 17: ...89 336 EEC EMC Ambient temperature 20 o C to 50 o C 3 2 Power Supply Unit PSU Optional Outputs 24V DC fused maximum current output must not exceed 5A 60W Power 90 to 264V AC 47 63Hz 100VA max Dimensio...

Страница 18: ...o two cards per unit or system Optional Modbus protocol serial communications must be specified at the time of order Dimensions 150mm x 260mm 3 4 RS485 Interface Optional Power 5V 30mA obtained from A...

Страница 19: ...fabricated mounting bracket if supplied 4 1 1 Air Quality Monitor AQM The AQM comprises a transceiver and reflector unit Secure the AQM to the tunnel wall by the mounting brackets supplied using 4 x...

Страница 20: ...ual CODEL 10 Figure 6 PSU arrangement 4 2 Connections Wiring should only be undertaken by a qualified technician The following electrical schematic illustrates the connections for the Tunnel Tech 700...

Страница 21: ...Technical Manual CODEL 11 Figure 7 Electrical Schematic...

Страница 22: ...Manual CODEL 12 Power Connection Place 24V screened cable through the gland and connect to CON1 24V power input as described below Figure 8 Power Connection RS485 Connection Figure 9 RS485 Connection...

Страница 23: ...Technical Manual CODEL 13 Power Control Display PCB Electrochemical Cell PCB Communications...

Страница 24: ...Technical Manual CODEL 14 Visibility PCB Ma Output PCB S Top mA RLY 4 5 Bottom mA RLY 1 2...

Страница 25: ...stabilise 5 2 Visibility commissioning 5 2 1 Visibility module communication To ensure that there is a working communication via the display unit follow the steps below using the display 5 2 1 1 Press...

Страница 26: ...Once the transceiver has been removed the end of the hollow clean air tube is exposed and by looking along the clean air tube it should be possible to see the mirror at the far end of the reflector u...

Страница 27: ...displayed for Vis DRx will be used in the next section Detector Levels 5 2 3 Detector levels The detector levels displayed in the previous section 5 2 2 VIS DRx is the visibility signal Follow the st...

Страница 28: ...de Press to access Setup options 5 2 4 2 If a Passcode is set input the passcode and press to access Setup Mode 5 2 4 3 Use the key to reach Calibration and press to access 5 2 4 4 Use the to reach VI...

Страница 29: ...Data figures should appear on the screen as shown below This indicates that the display module is communicating with E Cell module and is operating correctly 5 3 1 5 With communication established th...

Страница 30: ...ss 5 3 2 3 Use the to reach DRx and press to access 5 3 2 4 By following this path the data displayed on the screen represents the detector level reading 5 3 2 5 With the detector levels of E Cell 1 2...

Страница 31: ...isplay press to reach Setup Mode Press to access Setup options 5 3 3 2 If a Passcode is set input the passcode in order to access setup options 5 3 3 3 Use the key to reach Calibration and press to ac...

Страница 32: ...emoving the sight tube on the front of the reflector mounting bracket This is done by removing the retaining bolts securing the tube to the flange to reveal the mirror on the inside of the cover plate...

Страница 33: ...erve the Vis reading This reading will steadily shift Wait around 3 minutes for a plateau to be reached Once complete remove check cell Note Failure to carry out this check will invalidate the warrant...

Страница 34: ...es Connect NO at the same flow rate and follow the steps below to check level readings Press the following screen appears Use or to scroll through to E Cell CH1 and press to select E Cell CH1 The Disp...

Страница 35: ...E Cell from the Unit 6 2 1 5 Insert the new E Cell in to the unit and screw back in to place 6 2 1 6 Following this procedure a calibration must be carried out follow the steps from section 6 1 1 to...

Страница 36: ...ical Manual CODEL 26 6 1 4 Part Numbers and List of Replacement CO 991 606 CO NO 991 604 CO NO NO2 991 598 NO 991 608 NO NO2 991 614 NO2 991 610 6 1 5 Optional Parts Vis Check Filters 1 991 528A 3 991...

Страница 37: ...Technical Manual CODEL 27 Alignment Laser Please Call CODEL mA Relay Card 803 604D...

Страница 38: ...U supplies power to the AQM The current and relay outputs of the AQM communicate measurement data to the tunnels DCS system Figure 10 Tunnel Tech 700 Series system configuration 7 1 2 Processor Archit...

Страница 39: ...ssor concentrates on the measurement of the parameters necessary for the monitoring process This enables all sensor processing to be made without interruption by external communications 7 2 Address Nu...

Страница 40: ...s air quality monitor 3 Figure 3 Tunnel Tech 700 Series power supply units 12V DC 24V DC 3 Figure 4 LED Pulse Graph 9 Figure 5 Mounting Holes 9 Figure 6 PSU Arrangement 11 Figure 7 Electrical Schemati...

Страница 41: ...way black plastic plug Connections in the plug are as follows Note that in the plug terminal 1 must be linked to terminal 3 and terminal must be linked to terminal 2 If no comms are present first chec...

Страница 42: ...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 Frame 01 Address 03 Function code XX XX Address...

Страница 43: ...08h CO D2 value too small xx10h CO D1 or D2 in saturation 01xxh NO D1 value too large 02xxh NO D2 value too large 04xxh NO D1 value too small 08xxh NO D2 value too small 10xxh NO D1 or D2 in saturatio...

Страница 44: ...Visibility dimming coefficient XXXX 0 0001m 1 0 0 015m 1 XXXX 0075 Visibility transmissivity XXXX 0 01 0 100 00 XXXX 0076 CO NO detector validation XXXX Logic 0000 valid det error if 0000 XXXX 0077 V...

Страница 45: ...Heated Mirrors arrangement connection The mounting arrangement for the heated mirror assembly is shown below The heated mirror assembly is wired directly into the 12V or 24V DC power supply as illust...

Страница 46: ...Main Menu 37 5 Meas 37 5 1 Select Channel 38 6 Parameters 39 6 1 ID 40 6 2 Comms 41 7 Diagnostics 42 7 1 Running Mode 42 7 2 E C CH1 Diag 42 7 3 E C CH2 Diag 43 7 4 E C CH3 Diag 44 7 5 Vis Diag 46 8 S...

Страница 47: ...e welcome screen displays Codel FM manufacturer s name and TunnelTech 700 instrument s name Few seconds later the measurement screen appears 4 Main Menu The Instrument has following main menus Meas Pa...

Страница 48: ...CH2 and press to select E Cell CH2 The display returns to measurement screen displaying E Cell CH2 reading 5 3 E Cell CH3 Displays E Cell CH3 data e g NO2 Use or to scroll through to E Cell CH3 and p...

Страница 49: ...isplay returns to measurement screen displaying Multi gas measurement 5 8 Exit To exit from Select Unit submenu Use or to scroll through to Exit and press to exit The display returns to measurement sc...

Страница 50: ...er information Press to access manufacturer information 6 1 2 Equipment Displays equipment s name Use or to scroll through to Equipment 6 1 3 Soft Version Displays software version used in the instrum...

Страница 51: ...ument and are read only The following are submenus Comms Comms B D P S Protocols Comms Address Use or to scroll through to Comms 6 2 1 Comms B D P S Displays serial communication parameters B Baud Rat...

Страница 52: ...ag E C CH2 Diag E C CH3 Diag Vis Diag Exit Press to exit to main screen use or to scroll to diagnostic menu Press to Access Diagnostics submenus 7 1 Running Mode Displays instruments running mode The...

Страница 53: ...Press to Access Dcal Submenus Use or to scroll through to ADC Count Raw 7 2 2 DRx Displays DRx information Use or to scroll through to DRx 7 2 3 Z Displays Z information Use or to scroll through to Z...

Страница 54: ...1 Dcal Displays Dcal data Use or to scroll through to diagnostic Dcal Submenu 7 3 2 DRx Displays DRx data Use or to scroll through to Sig Range Ratio Submenu 7 3 3 Z Displays Z data Use or to scroll...

Страница 55: ...l through submenus 7 4 1 Dcal Displays Dcal data Use or to scroll through to Dcal submenu 7 4 2 DRx Displays DRx data Use or to scroll through to DRx submenu 7 4 3 Z Displays Z data Use or to scroll t...

Страница 56: ...us 7 5 1 Vis DTx Displays Vis DTx Use or to scroll through to Vis DTx submenu 7 5 2 Vis DRx Displays DRx Use or to scroll through to Vis DrX submenu 7 5 3 Vis Z Displays Vis Z Use or to scroll through...

Страница 57: ...gh to Setup mode 8 1 CALIBRATION Allows user to Calibrate The following are the submenus CALIBRATION Enter Full EC Zero Cal EC CH1 CAL EC CH2 CAL EC CH3 CAL VIS CH ZERO CAL Press to access setup mode...

Страница 58: ...rough to EC CH2 CAL The most significant digit is highlighted use or to Increment or Decrement Press to move cursor to next most significant digit Repeat above procedure to increment or decrement and...

Страница 59: ...ough to Exit and press to exit to Setup mode submenus 8 2 Parameters Allows user to change system paramenters The following are the submenus Parameters Comms B D P S Protocols Comms Address Exit Use o...

Страница 60: ...Span Factor Displays Allows user to adjust Cal parameters The following are the submenus Span Factor EC1 Span Factor EC1 Offset EC2 Span Factor EC2 Offset EC3 Span Factor EC3 Offset VIS Span Factor V...

Страница 61: ...ighlighted use or to Increment or Decrement Press to move cursor to next most significant digit Repeat above procedure to increment or decrement and press to move cursor to next digit and finally pres...

Страница 62: ...1 EC3 Span Factor Allows user to adjust EC3 Span Factor Use or to scroll through to EC3 Span Factor The most significant digit is highlighted use or to Increment or Decrement Press to move cursor to n...

Страница 63: ...nt and press to move cursor to next digit and finally press to exit VIS Span Factor 8 3 3 4 VIS Offset Allows user to adjust VIS Offset Use or to scroll through to VIS Offset The most significant digi...

Страница 64: ...g are submenus Abs Location Set Abs Location 8 4 1 1 Set Abs Location Allows users to set the absolute data location Press to access and Set Abs Location sub menu The most significant digit is highlig...

Страница 65: ...reads the simulated milliamp reading Measured measures milliamps Hold Value Holds the milliamps reading Full Scale reads full scale Use or through the different validity state options and press to ex...

Страница 66: ...he submenus Span Set Span Use or to scroll through to Span submenu 8 4 5 1 Set Span Allows user to set span range Press to access and set up span range sub menu Use or to change the span range in hexa...

Страница 67: ...nificant digit Repeat above procedure to increment and decrement and finally press to set Zero range and exit 8 4 7 4mA DAC Allows user to set up range for 4mA DAC The following are the submenus 4mA D...

Страница 68: ...8 4 8 1 Set Zero Allows user to set range for 20mA DAC Press to access and set up range for 20mA DAC Use or to change the zero range in hexadecimal Press to move cursor to next most significant digit...

Страница 69: ...ss Relay output sub menus 8 5 1 Abs Location Allows user to set up the absolute data location for relay output configuration It has the following submenu Abs Location Set Abs Location Use or to scroll...

Страница 70: ...s to access and Smoothing Coeff sub menu Use or to change the smoothing coefficient in hexadecimal Press to move cursor to next most significant digit Repeat above procedure to increment and decrement...

Страница 71: ...submenus Level Set Level Use or to scroll through to Level submenu 8 5 4 1 Set Level Allows user to set alarm level Press to access alarm level submenu Use or to change alarm level in hexadecimal Pres...

Страница 72: ...Options Byte Reads byte from start address Absolute data location Word Reads 2 bytes from start address Absolute data location Use or to change data type to byte or word Press to set data type and exi...

Страница 73: ...ime sub menu Use or to increment or decrement most significant digit on hours Press to move cursor to next most significant digit Repeat above procedure to increment and decrement Repeat the above pro...

Страница 74: ...nt digit on date Press to move cursor to next most significant digit Repeat above procedure to increment and decrement for month and year and finally press enter to set Date 8 6 3 Exit This is to exit...

Страница 75: ...wing are the sub menus Read 0xXXXX Set Read Address Press to Set Read Address 8 7 1 1 Set Read Address Allows user to enter memory location to read data Use or to increment or decrement most significa...

Страница 76: ...ws user to enter data to memory location Press to access Write sub menu Use or to increment or decrement most significant digit in hexadecimal Press to move cursor to next most significant digit Repea...

Страница 77: ...ss to access set New PassCode sub menu Use or to increment or decrement most significant digit in hexadecimal Press to move cursor to next most significant digit Repeat above procedure to increment or...

Страница 78: ...igit Repeat above procedure to increment or decrement and finally press to enter passcode 8 7 4 Exit Allows user to exit to setup mode submenus Use or to scroll through to Exit and press to exit to Se...

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Страница 81: ...Technical Manual Page 1 CODEL...

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