STACK 710
vi (PC-000878-MA Issue 7, December 2021) ENVEA UK Ltd
4.13 Modbus Registers ...................................................................................... 38
5. PERIODIC MODE OF OPERATION _________________________________ 40
5.1 Calibration Check ....................................................................................... 40
5.2 Calibration Audit ........................................................................................ 41
5.3 Clear Stack Calibration ................................................................................ 42
5.4 Gravimetric Calibration (Isokinetic Calibration) .................................................... 43
5.5 Setting Calibration Constants Manually ............................................................. 45
6. THEORY OF OPERATION AND APPLICATION _________________________ 48
6.1 General Outline ......................................................................................... 48
6.2 Beer-Lambert’s Law .................................................................................... 48
6.3 Pathlength Correction Factor (PLCF) ................................................................ 50
6.4 Examples of Different Pathlength Correction Factors (PLCF) ................................... 52
6.5 Requirements for Environmental Legislation ....................................................... 53
6.6 System Specification ................................................................................... 55
7. MAINTENANCE _____________________________________________ 57
7.1 Identifying Faults ........................................................................................ 57
7.2 Fault Number List ....................................................................................... 58
7.3 Maintenance ............................................................................................. 59
7.4 Cleaning the Optical Surfaces ........................................................................ 60
7.5 Transceiver Cover ...................................................................................... 60
7.6 Configuration Record Sheet........................................................................... 61
ENVEA SERVICE AND SUPPORT CENTRES ___________________________ 68
List of Figures
Figure 1: STACK 710- general overview. .................................................................... 13
Figure 2: STACK 710- installation diagram. ................................................................. 14
Figure 3: STACK 710- installation schematic ............................................................... 16
Figure 4: STACK 710- pathlength distance. ................................................................. 17
Figure 5 Mounting flange schematic. ......................................................................... 17
Figure 6: Front view of Air Purge showing mounting holes. .............................................. 18
Figure 7: Installing the Transceiver and Retro-reflector (side view). .................................... 19
Figure 8: Installing the Transceiver and Retro-reflector (top view). ..................................... 19
Figure 9: Mounting the Transceiver and Retro-reflector. .................................................. 20
Figure 10: Transceiver connections. ......................................................................... 22
Figure 11: SPUR unit connections. ........................................................................... 23
Figure 12: Electrical connection overview. .................................................................. 25
Figure 13: User interface. ...................................................................................... 27
Figure 14: Opening the Retro-reflector case & releasing the reflector. ................................. 32
Figure 15: Aligning the Retro-reflector. ...................................................................... 33
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