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Summary of Contents for PPI HumiTherm-iS Pro
- Page 1 Temperature + Humidity Indicator Process Precision Instruments HumiTherm-iS Pro Vasai Road (E), Dist. Palghar - 401210, Enhanced Maharashtra, India ‘Temperature + Humidity’ Indicator (with Dry/Wet RTD Input Selection) www.ppiindia.net User Manual PPI \ User Manual...
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Page 2: Table Of Contents
3. SET-UP MODE : ACCESS & OPERATION 4. ALARM PARAMETERS 5. ON-OFF CONTROL PARAMETERS 6. INPUT CONFIGURATION PARAMETERS SUPERVISORY PARAMETERS 8. RECORDER (RETRANSMISSION) PARAMETERS 9. HARDWARE ASSEMBLY & CONFIGURATIONS 10. ELECTRICAL CONNECTIONS APPENDIX-A : DC LINEAR SIGNAL INTERFACE APPENDIX-B : PROCESS ALARMS PPI \ User Manual... -
Page 3: Front Panel Layout
%RH Alarm (Alarm-1 & Alarm-2) Status • Flashes while the Alarm is active. • Remains OFF while the Alarm is inactive. Indicates control output status for Temperature Indicates control output status for %RH L1, L2 Unused PPI \ User Manual... - Page 4 Press to increase the parameter value. Pressing once increases the value by one count; keeping pressed speeds up the change. Press to store the set parameter value and to scroll to the ENTER next parameter on the PAGE. PPI \ User Manual...
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Page 5: Basic Operation
%RH that corresponds to this signal output. For example, consider 0-5V signal scaled to display 0.0 to 100.0 %RH. The Upper Readout then shows approximately 0.0 %RH (corresponding to 0 V) upon sensor open / broken. PPI \ User Manual... - Page 6 3. Use UP / DOWN keys to adjust the value and then press ENTER key to store the set value and scroll to the next parameter. Use PAGE key to return to MAIN Display Mode. PPI \ User Manual...
- Page 7 For resetting the Min/Max values, set the reset command to ‘Yes’ (Default : 0) and then enter the correct password. Temp SELECT CHANNEL Humidity Select the Temperature or RH channel for setting Control and/or Alarm setpoints through the subsequent parameters. (Default : Temp) PPI \ User Manual...
- Page 8 Depending on the selected channel, this parameter sets the limit Setpoint High Limit for either temperature or RH Alarm-2. This parameter is presented (Default : 0.0) only if Alarm type is selected as Process High or Process Low. PPI \ User Manual...
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Page 9: Set-Up Mode : Access & Operation
Current Next Parameter Input Type on Page-12 Input Type Press ENTER Use UP/DOWN Press ENTER key to select key to select key to store the value & Temp. channel new Input Type move to next parameter PPI \ User Manual... - Page 10 MAIN Display Mode Mode Press ENTER key Press PAGE Use UP/DOWN key to enter key to set the to Lock & Return to Set-up Mode ‘Locking Code’ Main Mode UnLocking Repeat the Locking procedure twice for unlocking. PPI \ User Manual...
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Page 11: Select Channel
(Not Available if Alarm Type is None) (Default : 2.0) This parameter sets a differential (dead) band between the ON and OFF Alarm status change. Keep it large enough to avoid frequent switching of the Alarm relay. PPI \ User Manual... - Page 12 ON. This allows suppressing the Alarm during the start-up Alarm conditions. The Alarm is not suppressed during the start-up Alarm conditions. ALARM 2 TYPE ALARM-2 HYSTERESIS ALARM-2 INHIBIT The parameter descriptions and settings are the same as that for Alarm-1. PPI \ User Manual...
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Page 13: On-Off Control Parameters
Setpoint Low Limit SETPOINT HIGH LIMIT Input Type Maximum Range Sets maximum permissible control setpoint value. (Default : 100.0) HYSTERESIS 0.1 to 99.9 Sets differential (dead) band between On-Off switching of (Default : 2.0) Temperature or Humidity gadget. PPI \ User Manual... -
Page 14: Input Configuration Parameters
RANGE LOW -199.9 to 999.9 (Available for DC linear mV/V/mA Inputs only) (Default : 0.0) The process value corresponding to the Signal Low value from the transmitter. Refer Appendix-A : DC Linear Signal Interface for details. PPI \ User Manual... -
Page 15: Range High
4 to 20mA DC current Reserved (Default : 0 to 20mV) -199.9 to 999.9 units units 0 to 1.25V DC voltage 0 to 5.0V DC voltage 0 to 10.0V DC voltage 1 to 5.0V DC voltage PPI \ User Manual... -
Page 16: Supervisory Parameters
Set the value as required by the host. BAUD RATE 4800 (Applicable for Serial Communication) 9600 19200 This parameter sets communication speed in ‘Bits per Second’. Set the value to match with the host baud rate. (Default : 9600 ) PPI \ User Manual... - Page 17 (Default : Even) SERIAL WRITE PERMISSION (Applicable for Serial Communication) Setting to ‘No’ disallows the host to set / modify any parameter (Default : No) values. The host, however, can read the values. PPI \ User Manual...
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Page 18: Recorder (Retransmission) Parameters
(Default : 0.0) Input Type Minimum Range RETRANSMISSION HIGH Input Type Maximum Range Set the High-side Temperature/RH Value that shall correspond to the maximum retransmission output signal level (20 mA / 10 V / 5 (Default : 100.0) PPI \ User Manual... -
Page 19: Mechanical Installation
The Figure 9.2 shows the panel cutout requirements for a single indicator and also the minimum spacing recommended if several indicators are required to be mounted on a single panel. Figure 9.2 Panel Cutout 92 X 92 mm -0, +0.5 mm (3.622 X 3.622 in) (-0, +0.02 in) 10mm (0.39in) PPI \ User Manual... -
Page 20: Panel Mounting
5. Fix the Mounting Clamps (one after the other) such that the metallic projection fits in the square hole provided on the top and bottom sides of the enclosure. Tighten the clamp screw until the clamps firmly secures against the panel wall. Figure 9.3 Bezel Controller Clamps Mounting Panel with Square Cutout PPI \ User Manual... -
Page 21: Connection Diagram
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 TEMP TEMP SUPPLY ALARM ALARM CTRL CTRL 85~265 VAC Relay Relay Relay Relay PPI \ User Manual... - Page 22 TEMP. ALARM : Temperature Alarm Relay Output (Terminals 3, 4) TEMP. ALARM : Temperature Alarm SSR Output (Terminals 18, 17) RH ALARM : RH Alarm Relay Output (Terminals 5, 6) Figure 10.3 Temp. Alarm / RH Alarm Temp. Alarm Relay PPI \ User Manual...
- Page 23 The Sensor negative terminal is used as Return terminal (ground) for excitation output. 5/12/24V 5/12/24V 5/12/24V Supply Supply 4 to 20mA 1 to 3.6 V 1 to 3.6 V Output Output Output 2-wire Current Transmitter 3-wire Voltage Transmitter 4-wire Voltage Transmitter (5/12/24VDC Supply) (5/12/24VDC Supply) (5/12/24VDC Supply) PPI \ User Manual...
- Page 24 (100 to 150 Ohms) at one end, as shown in Figure 10.7 below. Figure 10.7 Terminating Resistor Twisted (100 to 150 Ohms) Wire Pair HOST Screened Cable Serial Comm. Terminals Master Device PPI \ User Manual...
- Page 25 Neutral (Return) supply line to terminal 2 as shown in Figure 10.8 below. The controller is not provided with fuse and power switch. If necessary, mount them separately. Use a time lag fuse rated 1A @ 240 VAC. Figure 10.8 2 Pole Power Supply Isolating Switch Terminal Fuse Line Neutral PPI \ User Manual...
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Page 26: Appendix-A : Dc Linear Signal Interface
As is evident from the aforementioned transmitter examples, different transmitters produce signals varying both in type (m /V/mA) and range. Most PPI instruments, thus, provide programmable Signal Type and Range to facilitate interface with a variety of transmitters. A few industry standard signal types and ranges offered by the PPI instruments are: 0-50mV, 0-200mV, 0-5 V, 1-5 V, 0-10V, 0-20 mA, 4-20 mA, etc. - Page 27 : 0-20 mA Signal Low : 0.00 mA Signal High : 20.00 mA PV Resolution : 0.1 X (mA) Range Low : -50.0 20.00 Signal High Range High : 250.0 Range Low -50.0 0.00 Signal Low PPI \ User Manual...
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Page 28: Appendix-B : Process Alarms
If the alarm relay is programmed to operate Reverse in response to the Alarm status, the relay switches OFF upon alarm activation. The relay activation in this case is used to shutdown the process power. Under non-alarm condition the relay remains ON to power to the process. PPI \ User Manual... - Page 29 High Alarm Set-point . An alarm is generated if the process value is detected higher than the set limit. Figure B.4 High Alarm Set-point Hysteresis Band Alarm Reset Alarm Status PPI \ User Manual...
- Page 30 High Limit. An alarm is generated if the process value is detected higher than this limit. Figure B.6 High Limit Hysteresis Band Positive Alarm Reset Deviation Band Control Set-point Negative Alarm Reset Hysteresis Band Deviation Band Low Limit Alarm Status PPI \ User Manual...
- Page 31 Temperature + Humidity Indicator ProcessPrecisionInstruments (AnISO9001:2008Company) 101,DiamondIndustrialEstate,Navghar,VasaiRoad(E),Dist.Palghar-401210,Maharashtra,India Sales:8208199048/8208141446Support:07498799226/08767395333 sales@ppiindia.net www.ppiindia.net Nov 2024 PPI \ User Manual...
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