
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048 Page D-44
6 Thermopile output (any sensor, process or constant output)
7 Thermopile surface emissivity
8 Constant K
Outputs: 1 Average corrected PIR
2 Most recent PIR
E1 Process error code
Assumptions: None.
This process calculates the temperature-corrected PIR using the following equations:
PIR is the temperature-corrected PIR, E is the thermopile output, is the Stefan-Boltzmann constant
373
,
is the thermopile surface emissivity, T
C
is the case temperature and T
D
is the dome temperature.
4.7. Four-Pole Switch Process
Inputs: 4 Switch Pole 1
5 Switch Pole 2
6 Switch Pole 3
7 Switch Pole 4
8 Data1
9 Data2
10 Data3
11 Data4
Outputs: 1 Selected Data
2 Closed Switch (1 to 4)
E1 Process error code
Assumptions: Only one switch pole can be closed at one time. Fewer than 4 can be
specified for this process, but must have matching data for each pole
specified. An open switch has an input of zero, a closed switch has a
non-zero input value.
This process acts like a multiplexer by outputting the corresponding data (from Line Items #8 through
#11) for the corresponding closed switch (from Line Items #4 through #7) as well as the switch number (1
to 4).
5. ARITHMETIC PROCESSES CATEGORY
5.1. U-V Vectors To Magnitude-Direction Process
Inputs: 4 U-vector (D)
5 V-vector (D)
Outputs: 1 Vector magnitude
2 Vector direction
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Refer to Appendix A.
444
CDC
TTKTEPIR
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