Environnement AS32M, Technical Manual, Page: 25 / 186

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AS32M
Environnement
S.A
DECEMBER 2013
2–1
CHAPTER 2
PRINCIPLE OF OPERATION
2.1 THEORETICAL BASIS: OPTICAL CAVITY 2–3
2.2 MEASUREMENT PRINCIPLE 2–3
2.3 DESCRIPTION OF THE MAIN MODULES 2–8
2.3.1 DRYER 2–8
2.3.2 PARTICLE FILTER 2–8
2.3.3 OPTICAL CAVITY 2–8
2.3.4 GAS INLET SOLENOID VALVE ASSEMBLY 2–8
2.4 SIMPLIFIED FLOW CHART OF MAIN PROGRAM 2–9
2.5 AUTOMATIC RESPONSE TIME 2–10
2.5.1 PRINCIPLE 2–10
2.5.2 PROGRAMMING THE RESPONSE TIME 2–11
2.6 ETHERNET OUTPUT AND USB PORT (DNP-ARM7 BOARD) 2–12
Figure 2–1 – Diagram of the optical cavity 2–3
Figure 2–2 – General principle diagram of AS32M Standard model 2–5
Figure 2–3 – General principle diagram of AS32M with solenoid valve option 2–6
Figure 2–4 – General principle diagram of AS32M with Permeation bench option 2–7
Figure 2–5 – Perma-Pure dryer 2–8
Figure 2–6 – Simplified flowchart of the main program 2–9
Figure 2–7 – DNP-Arm7 communication diagram 2–13