DP INDICATOR & SENSOR Model No. : UT-1401

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Model No. : UT-1401

Model No. : UT-1401

DP INDICATOR & SENSOR

� OPERATION MANUAL �

Room DP Pressure Indicator

Room Pressure (DP)indicator with integral sensor. External Box : Ex. Flameproof with S S Box

Low

High

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Com.

MODEL NO:UT-1401

Mm WC Pascal

0055.

www.unitechinstrument.com

+91 94273 01436Sales: www.utplindia.inWebsite:

Sure for service with hi-end versal nologyUni TechSure for service with hi-end versal nologyUni Tech

E-mail : [email protected]

Add.-78/1/Z/3, Makarpura GIDC, Makarpura, Vadodara Ph : +91 7046223333

RL1 MM Pa HI LOW COM

UP ENTER MODE

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PROGRAMMING FLOW CHART

TECHNICAL SPECIFICATION

FRONT PANEL DESCRIPTION

INTRODUCTION

TERMINAL ARRANGEMENT

INSTALLATION

4

2

1

3

3

OPERATION 5

ERROR MESSAGE AND TROUBLESHOOTING 8

PANEL CUTOUT 8

8REGISTER ADDRESS FOR MODBUS

Model No. : UT-1401

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It has keypad to programming the instrument. It has Stainless steel

Face plate, which is designed for wall mount Clean Room indication

where you need easy mounting mechanism. This instrument enables

you to measure differential pressure (DP) in the following fields:

The UNITECH “Differential Pressure Indicator : UT-1401” is specially

designed to indicate the Room pressure between two different areas.

The large 4½ digit, 0.4” high LED display is easy to read, even from a

distance. Two alarms can be selected for above or below set point

control, which can help the user to monitor the DP and to take

necessary actions to maintain the room conditions as per the

requirement or application.

INTRODUCTION� �

CONTENTS� �

HVAC (Heating, ventilation, Air conditioning, cooling)

Pharmacy industry.

Blood stations, pharmacies.

Horticultural and cultivation of plants.





Model No. : UT-1401 PAGE : 1

SR

SR

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NO

11

NO

DISPLAY

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KEY

PV

HIGH

COM

PASCAL

mm wc

PARTICULAR

FUNCTION(M)

Actual Process Value

Red LED will glow on High Value

Red LED will blink when there is a Communication.

Red LED will glow when pressure in Pascal Unit

Red LED will glow when pressure in mm WC Unit

PV

ENTER

DESCRIPTION

Seven Segment LED display

DESCRIPTION

Press to access the programmable

Parameter.

(UP)

(PASS)

FRONT PANEL DESCRIPTION� �

Press to change Set point - 1 in Normal

Mode and increase selected digit or value

in Programming Mode.

Press to change digit selection or selected

value in Programming Mode.

Press to change Set point - 2 in Normal

Mode and accept modified digit or

in Programming Mode.

value

LOW Red LED will glow on Low value.

��Low

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High

Mm WC Pascal

MMODEL NO: UT-1401

1

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� TECHNICAL SPECIFICATION �


FDA 21 CFR part 11 - GAMP-4 compatible.

LEDs. S one

Microcontroller based indicator with inbuilt Temperature & DP measurement in single enclosure.

Incorporates highly stable built-in or DP sensor. (with different unit like mmwc/ pa/ kpa/ mmhg)

3 Digit, 0.56" bright LED display for displaying DP

Process parameter Hi and Low tatus indication For channel.

User selectable set limits for process value violation.

Inbuilt buzzer to audible process value violation.

Password protection for calibration and programming mode.

Software base Calibration .

MODBUS RTU multi drop RS-485 serial communication for PLC, SCADA, etc.

Programmable devise address, baud rate, (max no. of device is 1-256).

Remote programmable from master device.

User programmable offset correction.

Compact, All Stainless Steel or FLP enclosure with 35 mm depth for installation in prefab panels.

Brick and modular wall mounting and flush mounting.

FDA21 CFR part 11 compliance data logging software available

Ex. Flameproof model available for Hazardous applications.

Technical Specification

Flame

ProofMaterial of constructions

Cable entery

Gas group

Enclose certification

Display glass

Degree protection

I IIA IIB as per IS 2148/1981

Enclosure is certifies by C.M.R.I. dhanbad

Clear glass thognet type A as per Is 2206

IP 65 as per IS 2147

2 x 3/4 “ ET

Aluminum alloy

Technical dataNos. of input

Input

Indication

Range

Accuracy

Transmitter power supply

Comunication

Programmable

Parameters

OtherSupply voltage Power consumption 24 v DC @ 4 watts maximum

Operating ambient temperature and humidity

Temperatures input

1 nos .( DP)

- 0~50 °C - Below 90%, non condensing

Mounting Bricks and modules wall Flush panel mounting.

DP input

Integral Or Remote (external)

Integral Or Remote (external)

24V/5V DC @ 30 mA max, isolated from I/p & O/P.

DP Channel-1 : 3 digit Seven segments 0.56” RED display.

3-LEDs for visual alarms, buzzer for audible alarm, LED for 485comm.

Display Resolution

Status indication

Read /write parameter Read: Procces value ,decimal point. Write: Hi Low set point.

Programmable parameter

Modbus RTU RS- 485 Isolated communications.

Baud rate , Parity , Node address , stop bit.

Communication Protocol

Full range as per input selection.

Programming of parameters Through 4 tactile keys (with password protections)

No. of slave ID Total 1-256 unit.

Alarm logic Full Scale HI OR Full scale Low

MOC Full S S 316 plate and box , back side wall mounting M S covers.

Set point / High scale / Low scale

-10 to 10 mm / -25 to 25mm / -100-100 mm /-200 to 200 mm.....

mm wc : 0.1 / PA : 1 / Hpa :0.01

1 % on FS in all unit

DP

DP

Response time 1 sec






INSTALLATION� �

� TERMINAL CONNECTION �

COMMUNICATION : RS-485 interface Terminal

POWER SUPPLY : 24VDC Supply Voltage.

Terminal Detail

SUPPLY24VDC

COMM.RS - 485

+ -

SQUARE DESIGN ROUND DESIGN





CAUTIONWIRING CONSIDERATIONSHIELDED TWISTED PAIR WIRE IS USED FOR ALL ANALOG I/P,

PROCESS SENSORS, RTD, THERMOCOUPLE, DC mV-mA, VOLT

DC, LINEAR INPUT AND COMMUNICATION

FAILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT

IN INSTRUMENT DAMAGE

CAUTIONLINE VOLTAGETHIS PRODUCT IS SUITABLE FOR CONNECTION 110/230VAC,

50HZ OR 12/24 VDC MAIN POWER SUPPLY. IT IS USER

RESPONSIBILITY TO PROVIDE PROPER PROTECTION FOR THE

PRODUCTS ELECTRICAL PROTECTION .

WHEN APPLYING POWER TO VARIOUS INSTRUMENTS, MAKE

SURE SUFFICIENT CURRENT IS SUPPLIED. OTHERWISE THE

INSTRUMENTS MAY NOT START UP DUE TO THE VOLTAGE DROP.

FAILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT

IN INSTRUMENT DAMAGE


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Mode Configuration SetupMode ModeSelection

ChangePassword Mode

CalibrationMode

PROGRAMMING FLOW CHART� �

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WARNINGINJURYPROGRAMMING PARAMETER SHOULD BE ACCESSED ONLY

BY PERSONNEL WHO ARE TECHNICALLY COMPETENT TO DO

SO. LOCAL REGULATIONS REGARDING ELECTRICAL & SAFETY

MUST BE OBSERVED

FAILURE TO COMPLY WITH THESE INSTRUCTION COULD BE

RESULT IN SERIOUS INJURY OR DEATH


This Mode is used to change Input , Aarm and Communication Operation

Configuration

Parameter Description Range Default Value

CONFIGURATION MODE PARAMETER ��.

Password for Parameter SettingValues between

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Password for Configuration Parameter

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Input Type��

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Down the type by key or Up by key.� : dP SENSOR �

Scroll the digit by key, increase by key.

Selection of input of the Instrument.

1. CONFIGURATION MODE

Decimal Point Selection : No decimal(1234)�

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Increase digit by key, decrease by key

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Alarm 1 Action.

: Active in High

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Change the type by or key.

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ON

OFF PVSV

ON

OFF PVSV

L ON :: Active in Low� ��

H ON :

Alarm 2 Action.��

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� ��Change the type by or key.

: One decimal(123.4)��

: Two decimal(12.34)��

: Three decimal(1.234)��

: Active in High) ��

: Active in Low� ��

Active same as above

Pressure Unit: PASCAL��

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: mm WC ��Change the type by or key.

SV-Hyst

SV+Hyst

Pressure Display Unit

Parity��

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Change the type by or key. �� : Odd Parity�� : None

Parity check for Communication

Baud Rate !"�

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Change the Rate by or key.

#$�� : Baud rate 9600�#�0 : Baud rate 19200

Node AddressValues between

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�� to ��Increase digit by key, decrease by keyDevice address for Communication






This Mode is used to Setting the instrument Parameter. To set zero span

value, alarm set points with hysteresis, offset etc.

2. SETUP MODE



SETUP MODE PARAMETER %��

Password for Parameter Setting��

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��Scroll the digit by key, increase by key.

Zero or Low Display Value.1&�


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Values between�� to ####

Values between2### to ####

Span or High Diaplay Value.%�!�


��Values between2### to ####

Password for Setup Parameter

Display value at low Calibration point.

Display value at high Calibration point.

Set Point # 1��

��Increase digit by key, decrease by key

Activation value for Relay - 1

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Hysteresis # 1

Value Difference between Activation and De-

activation of Relay - 1

Set Point # 2��


Activation value for Relay - 2

Buzzer Timer.,-�

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Increase digit by key, decrease by key.

Time setting for buzzer in sec.

Values between�� to ��#�





Damp. Timer.�-�

��Increase digit by key, decrease by key.

Do not change. Factory setting parameter.

Values between�� to ��


This Mode is used to Calibration of the Instrument.

CALIBRATION MODE PARAMETER ��

3. CALIBRATION MODE


Password for Parameter Setting��

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Calibration Span.��%

---- ----

Values between�� to ####

According to Input type.

Password for Calibration Parameter

Calibration Zero.��'

--------According to Input type.Apply low signal (from input table) input

and press key.

Apply High signal (from input table) input

and press key.


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Offset to Process Value.

Scroll the digit by key, increase by key.

This value Increase OR Decrease the Display PV

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Hysteresis # 2Values between2### to #### ��

Values between2### to #### ��





Calibration Output High.��)

---- ----According to Output.

Calibration Output Low.��

��(�----According to Output.Set The Output By and key, press key

to fix the desired output

Set The Output By and key, press key

to fix the desired output



CHANGE PASSWORD PARAMETER ��

New Password.��----Scroll the digit by key, increase by key. Values between�� to ####

New Desired Password��

Symptom Probable Solution

-Sensor break error

-Sensor not connected

-Replace sensor

-Check the sensor is connected correctly

Keypad no

function

-Keypads are locked

-Keypads defective

-Check Keypad continuity?

All LED’sand display

not light

-No power to controller

-Control circuit failure

-Check power lines connection

-Check Control Supply Voltages.

-Replace keypads

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ERROR MESSAGE AND TROUBLESHOOTING� �

Old Password.��Scroll the digit by key, increase by key. Values between�� to ####

Existing Password��

As reqd.

4. CHANGE PASSWORD MODE





REGISTER ADDRESS FOR MODBUS RTU PROTOCOL� �

SR NO ANALOG PARAMETERS ABSOLUTE ADDRES ACCESS TYPE

1 PROCESS VALUE 40001 READ ONLY

2 DECIMAL POINT 40002 READ ONLY

3 SETPOINT - 1 40003 READ/WRITE

4 SETPOINT - 2 40004 READ/WRITE

DEFAULT COMMUNICATION DETAILS� �

BAUD RATE

PARITY

DATABIT

NODE ADDRESS

STOP BIT

9600

NONE

8

1

1






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DP INDICATOR & SENSOR Model No. : UT-1401