Ppi Humitherm-i Pro Enhanced Temperature + Humidity Indicator Instruction Manual

HumiTherm-i Pro Enhanced Temperature + Humidity Indicator
Instruction Manual

Enhanced
‘Temperature + Humidity’ Indicator
(with Dry/Wet RTD Input Selection)
This brief manual is primarily meant for quick reference to wiring connections and parameter searching. For more details on operation and application; please log on to www.ppiindia.net

OPERATOR PAGE AND PARAMETERS

Parameters	Settings (Default Value)
Maximum Dry Bulb Temperature Value	View Only
Minimum Dry – Bulb Temperature Value	View Only
Maximum %RH Value	View Only
Minimum Peak of RH	View Only
Reset Command	No Yes (Default : No)
Reset Pass – Code	0 to 250 (Default : 0)

TEMPERATURE – ALARM PARAMETERS

Parameters	Settings (Default Value)
Temperature Alarm Type	None Process Low Process High (Default : None)
Temperature Alarm Setpoint	-50.0 to 150.0°C or -58.0 to 302.0°F (Default: For Process Low : -50.0 For Process High : 150.0)
Temperature Alarm Hysteresis	0.1 to 25.0 °C or °F (Default: 0.2)
Temperature Alarm Logic	Direct Reverse (Default: Direct)
Temperature Alarm Inhibit	No Yes (Default: Yes)

RELATIVE HUMIDITY – ALARM PARAMETERS

Parameters	Settings (Default Value)
%RH Alarm Type	None Process Low Process High (Default: None)
%RH Alarm Setpoint	0.0 to 100.0% (Default: For Process Low: 0.0 For Process High: 100.0)
%RH Alarm Hysteresis	0.1 to 25.0% (Default : 0.2)
%RH Alarm Logic	Direct Reverse (Default: Direct)
%RH Alarm Inhibit	No  Yes (Default: Yes)

INPUT CHANNEL CONFIGURATION PARAMETERS

Parameters	Settings (Default Value)
Input Type For Temp Sensor	Refer Table 1 (Default : RTD)
Signal Low For Temp Sensor	Input Type Settings Default 0 to 20 mA 0.00 to Signal High 0.00 4 to 20 mA 4.00 to Signal High 4.00 0 to 1.25 V 0.000 to Signal High 0.000 0 to 5 V 0.000 to Signal High 0.000 0 to 10 V 0.00 to Signal High 0.00 1 to 5 V 1.000 to Signal High 1.000
Signal High For Temp Sensor	Input Type Settings Default 0 to 20 mA Signal Low to 20.00 20.00 4 to 20 mA Signal Low to 20.00 20.00 0 to 1.25 V Signal Low to 1.250 1.250 0 to 5 V Signal Low to 5.000 5.000 0 to 10 V Signal Low to 10.00 10.00 1 to 5 V Signal Low to 5.000 5.000
Temperature Range Low	-199.9 to 999.9 (Default : 0.0)
Temperature Range High	-199.9 to 999.9 (Default : 100.0)
Zero Offset For Temp Value	-25.0 to 25.0 (Default : 0.0)
Input Type For Humidity Sensor	Refer Table 1 (Default : 0 to 5 V)
Signal Low For Humidity Sensor	Input Type Settings Default 0 to 20 mA 0.00 to Signal High 0.00 4 to 20 mA 4.00 to Signal High 4.00 0 to 1.25 V 0.000 to Signal High 0.000 0 to 5 V 0.000 to Signal High 0.000 0 to 10 V 0.00 to Signal High 0.00 1 to 5 V 1.000 to Signal High 1.000
Signal High For Humidity Sensor	Input Type Settings Default 0 to 20 mA Signal Low to 20.00 20.00 4 to 20 mA Signal Low to 20.00 20.00 0 to 1.25 V Signal Low to 1.250 1.250 0 to 5 V Signal Low to 5.000 5.000 0 to 10 V Signal Low to 10.00 10.00 1 to 5 V Signal Low to 5.000 5.000
%RH Range Low	-199.9 to 999.9 (Default : 0.0)
%RH Range High	-199.9 to 999.9 (Default : 100.0)
Wet-bulb Temperature Zero Offset	-25.0 to 25.0 (Default : 0.0)
%RH Zero Offset	-99.0 to 99.0 (Default : 0.0)

SUPERVISORY PARAMETERS

Parameters	Settings (Default Value)
Unit Selection for Temperature	°C °F (Default : °C)
Dry-Bulb Temperature and % RH Min/Max Monitoring	No Yes (Default : No)
Password For Resetting PV High – Low	No Yes (Default : No)
Slave Id	(Default : 1) 1 to 127
Baud Rate	4800 9600 19200 (Default : 9600)
Parity	None Even Odd (Default : Even)
Communication Write Enable	No Yes (Default : Yes)

DE-HUMIDIFIER CONTROL PARAMETERS

Parameters	Settings (Default Value)
De-humidifier Control	Disable Enable (Default : Disable)
De-humidifier Setpoint	0.0 to 100.0 (Default : 0)
De-humidifier Hysteresis	0.1 to 99.9 (Default : 2.0)

Table 1

Option	What it means	Range (Min. to Max.)	Resolution
	3-wire, RTD Pt100	-199.9 to +600.0 °C/-199.9 to 999.9 °F	0.1 °C / °F
	0 to 20mA DC current	-199.9 to 999.9 units	0.1 units
	4 to 20mA DC current
	Reserved (Don’t Select)
	0 to 1.25V DC voltage
	0 to 5.0V DC voltage
	0 to 10.0V DC voltage
	1 to 5.0V DC voltage

ELECTRICAL CONNECTIONS

FRONT PANEL LAYOUT

Symbol	Key	Function
	PAGE	Press to enter or exit set-up mode.
	DOWN	Press to decrease the parameter value. Pressing once decreases the value by one count; keeping pressed speeds up the change.
	UP	Press to increase the parameter value. Pressing once increases the value by one count; keeping pressed speeds up the change.
	ENTER	Press to store the set parameter value and to scroll to the next parameter on the PAGE.

PV Error Indications for Dry Bulb Temperature

Message	Error Type
	Over-range Dry Bulb Temp. above Max. Range
	Under-range Dry Bulb Temp. below Min. Range
	Sensor Open Dry Bulb Sensor (RTD) Broken/Open

PV Error Indications for Relative Humidity (RH)

Message	Error Type	Cause
	Under-range	Wet Bulb Temperature above Max. Range
	Over-range	Wet Bulb Temperature below Min. Range
	Sensor Open	Wet Bulb Sensor (RTD) Broken / Open
	RH Error	This error is indicated in the following cases : • Dry Bulb Temperature above 102.0°C. • Dry Bulb Temperature below -20.0°C. • Wet Bulb depression beyond: 50.0°C for Dry Bulb Temperature above 0°C 5.6°C for Dry Bulb Temperature below 0°C
	Display Freezes To 100.0%	This error is indicated in the following cases : • Wet-Bulb Temperature exceeds Dry-Bulb Temperature. • Computed % RH above 100.0%.
	Display Freezes To 0.0%	Computed % RH is below 0.0%.

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Vasai Road (E), Dist. Palghar – 401 210.
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E: [email protected]
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Jan 2022

References

• Factory Automation Products India | Automation Solutions in India