PPI HumiTherm-i Pro Enhanced Temperature + Humidity Indicator Instruction Manual

: June 11, 2024
: PPI

Table of Contents

OPERATOR PAGE AND PARAMETERS
ELECTRICAL CONNECTIONS
FRONT PANEL LAYOUT
Documents / Resources

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.)
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

PPI HumiTherm i Pro Enhanced Temperature + Humidity Indicator - ELECTRICAL
CONNECTIONS

FRONT PANEL LAYOUT

PPI HumiTherm i Pro Enhanced Temperature + Humidity Indicator - 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%.

101, Diamond Industrial Estate, Navghar,
Vasai Road (E), Dist. Palghar – 401 210.
Sales: 8208199048/8208141446
Support: 07498799226/08767395333
E: [email protected]
[email protected]
Jan 2022

Documents / Resources

| PPI HumiTherm-i Pro Enhanced Temperature + Humidity Indicator [pdf] Instruction Manual
HumiTherm-i Pro Enhanced Temperature Humidity Indicator, HumiTherm-i Pro, Enhanced Temperature Humidity Indicator, Temperature Humidity Indicator, Humidity Indicator, Indicator
---|---
| PPI HumiTherm-i Pro Enhanced Temperature Humidity Indicator [pdf] User Manual
HumiTherm-i Pro Enhanced Temperature Humidity Indicator, HumiTherm-i Pro, Enhanced Temperature Humidity Indicator, Temperature Humidity Indicator, Humidity Indicator, Indicator