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5-19
Chapter 5. FUNCTIONS
Input 2 processing is carried out in the order shown below:
• Temperature/humidity operation model
• Input 2 channels model
Handling Precautions
On a temperature/humidity operation model, the humidity channel (CH2) is
controlled by wet-bulb set value SPw and wet-bulb temperature PVw. SPw
and PVw are automatically converted from SP1 (dry-bulb temperature set
value) and SP2 (relative humidity set value).
Analog input 2
Cold junction
compensation
Wiring resistance
compensation
A/D conversion
Input range type
Square-root extraction
Linearization
approximation
Upper/lower limit alarm
Temperature unit range
Upper/lower limit
value scaling
Digital filter
PV2
Bias
Setting: Setup data
C23
(resistance temperature detector)
Setting: Setup data
C92
(thermocouple)
Setting: Setup data
C72
(DC voltage)
Setting: Setup data
C27
(DC voltage)
Setting: Setup data
C24 to C26
(thermocouple and resistance
temperature detector)
Setting: Setup data
C22
Setting: Setup data
C28
Setting: Variable parameters 2
Pbl.2
Setting: Variable parameters 2
FL.2
PVw
(wet-bulb temperature)
PV 1 = PV
D
(wet-bulb temperature)
Relative humidity
calculation
Setting: Variable parameter 2
Table data
t-C.1 to t-d.b
PrSS, vEL
Analog input 2
Cold junction
compensation
Wiring resistance
compensation
A/D conversion
Input range type
Square-root extraction
Linearization
approximation
Upper/lower limit alarm
Temperature unit range
Upper/lower limit
value scaling
Digital filter
Bias
Setting: Setup data
C23
(resistance temperature detector)
Setting: Setup data
C92
(thermocouple)
Setting: Setup data
C72
(DC
voltage)
Setting: Setup data
C27
(DC voltage)
Setting: Setup data
C24 to C26
(thermocouple and resistance
temperature detector)
Setting: Setup data
C22
Setting: Setup data
C28
Setting: Variable parameters 2
Pbl.2
Setting: Variable parameters 2
FL.2
PV2
Table data
t-C.1 to t-d.b