Uniphos 500DT Instruction Manual Download Page 2

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INDEX

PG NO.

A. Introduction:

B. Installation:

Overview

Selecting Location

Mounting guideline

Installation

4-20mA Loop installation

Relay Cable guideline

Power Supply & Signal (4-20mA)

Settings

C. Operation:

Gas alarm Conditions & Advice

Fault alarm Conditions & Advice

D. Calibration:

Guidelines

Calibration procedure

Calibration Diagnostics Protection

Important Notes

E. Other Settings:

F. Maintenance:

Cleaning a Sensor

Clearing a Sensor

Caution Notes

G. Trouble shooting guide:

H. Specifications:

I. List of gases available:

Summary of Contents for 500DT

Page 1: ...1 of 33 UNIPHOS 500DT Digital Transmitter Uniphos Envirotronic Pvt Ltd Readymoney Terrace 167 Dr Annie Besant Road Worli Mumbai 400 018 India INSTRUCTION MANUAL...

Page 2: ...y Signal 4 20mA 13 Settings 15 C Operation 19 Gas alarm Conditions Advice 20 Fault alarm Conditions Advice 21 D Calibration 22 Guidelines 22 Calibration procedure 22 Calibration Diagnostics Protection...

Page 3: ...ly ensuring that the components are not damaged otherwise the approval may be adversely affected wrong readings could occur and persons relying on this product for their safety could sustain serious p...

Page 4: ...gnal which can be connected to any control system like DCS PLC etc Designed with non volatile memory the transmitters have total memory retention capacity There is provision to have mute function of t...

Page 5: ...es easy installation and the fastest routine operation by removing the need for hot work permits in hazardous areas Using easy to replace plug in sensor modules downtime is also reduced and on going c...

Page 6: ...6 of 33 B Installation Various parts of the gas transmitter are shown in the following diagram Figure 1 500 DT Transmitter overview...

Page 7: ...we suggest placing the sensor approximately 12 30 cm above the level of a potential leak source or near the roof in indoor installation For gases heavier than air we suggest placing the sensor 12 30 c...

Page 8: ...r supply signal cable connections Opening on the Left hand side is equipped with 1 2 NPT M20 conduit fitting outlet Use certified cable gland for cable entry It is to be used for the Relay cable entri...

Page 9: ...9 of 33 Figure 2 Outline drawing Front side views with outline dimensions...

Page 10: ...e a resistance of 100 ohm maximum Maximum cable lengths between the controller transmitter The table give below is for guidance only Users should calculate maximum distances using actual data for the...

Page 11: ...11 of 33 Wiring Schematic diagram UNIPHOS transmitter can be wired in current source mode as shown in the below wiring schematic diagram Figure 3...

Page 12: ...follow Ref Figure 4 Relay Cable Guideline Optional The transmitter is equipped with one potential free Relay optional contacts Relay connections are labeled NO normally open NC normally closed C commo...

Page 13: ...e as shown in the figure 4 Connect 3 wires as following Positive Supply 24V 24 VDC to the labeled terminal Signal 4 20mA 4 20mA loop signal to the labeled terminal Negative Supply AGND Ground wire to...

Page 14: ...14 of 33 Figure 4 System wiring diagram Note The Armored cable Screen is to be terminated on to the Earthing point provided on interior of the Enclosure...

Page 15: ...activation Alm1 threshold Level Value This is Low alarm activation level Alm2 Short term Threshold Level Value This is High alarm activation level Mask This is factory setting Please do not change it...

Page 16: ...t towards left position After the last digit blinking cursor disappears press K2 to accept changes and go to the next prompt 3 ALM2 xxxx In a similar fashion the set ALM2 and move to the next prompt 4...

Page 17: ...ovision is given to activate deactivate the Relays operations site when required Oxygen Selection This provision is given to enable disable the Relays Alarm logic for Oxygen gas To go into the paramet...

Page 18: ...Date Key K2 is used to increment the digit where the cursor is positioned and key K1 is used to shift the cursor to the next towards left position After the last digit blinking cursor disappears pres...

Page 19: ...ion 1 UNIPHOS 500 DT Model number of the product 2 KwkSense Lite Name of the product 3 VERSION XX XX XXa Current software version 4 ERROR NO SENSOR Error message if sensor is not connected 5 CAL DATE...

Page 20: ...larm relay triggers the connected device Visual Indicator LED turns to blue color Numeric LCD OLED display indicates the gas concentration currently present in ppm LEL or V V HIGH GAS ALARM The gas co...

Page 21: ...t conditions Fault condition 4 20mA Output LED Visual Indicator LCD OLED display Sensor self test fail At start up sensor self test failed 2 mA Visual Indicator LED turns to red color Numeric LCD OLED...

Page 22: ...chemical sensors Tygon may poison a catalytic combustible sensor over time Higher flow rate of calibration gas could give incorrect reading due to pressure build up over the sensor Calibrate the senso...

Page 23: ...pan gas or calibration gas value to enter which is available for the calibration of the unit On this prompt by using key K2 span gas value can be incremented decremented Key K1 is used to toggle betwe...

Page 24: ...alibration Wait for the transmitter to return to normal operation Replace the empty gas cylinder with a full cylinder repeat process Calibration gas concentration is too low or too high Calibration ga...

Page 25: ...to 2 months or a long interval Other Settings Take the magnetic wand to K2 system will prompt to enter Password Enter 0004 and proceed forward for loop current settings 4 20mA Please see the below tab...

Page 26: ...g the Sensor The sensor is secured in SS adaptor with sinter or filter screen depending on gas Clean the sinter filter only with a dry brush being careful not to clog the screen Clearing the Sensor Th...

Page 27: ...LCD OLED showing Error No sensor sensor is not properly plugged in the sensor housing Remove the sensor re plug it again carefully Transmitter LCD OLED showing Error Sensor drift Or Over Range Sensor...

Page 28: ...n the sensor module a Battery back up is not necessary to retain values in the event of Power outages Loop Resistance 600 ohms maximum for 4 20 mA loop current signal Self Test Automatic self test of...

Page 29: ...ument 1 year Sensor 1 year on proportional basis Approval Optional 1 ATEX Ex db IIC T4 Gb Tamb 20 C to 85 C 2 IECEx Ex db IIC T6 Gb Tamb 20 C to 40 C Ex db IIC T5 Gb Tamb 20 C to 55 C Ex db IIC T4 Gb...

Page 30: ...0 PPM 0 1 PPM 040A SO2 sensor electro chemical Sulphur Dioxide 0 20 PPM 0 1 PPM 050A Phosphine sensor electro chemical Phosphine 0 10 PPM 0 01 PPM 055A Phosgene Sensor electro chemical Phosgene 0 1 PP...

Page 31: ...9C Flammable sensor Pellistor Acetylene 0 100 LEL 1 LEL 099D Flammable sensor Pellistor Butanol 0 100 LEL 1 LEL 099E Flammable sensor NDIR Methane 0 100 LEL 1 LEL 099F Flammable sensor NDIR Methane 0...

Page 32: ...32 of 33 Notes...

Page 33: ...9909994042 91 7574839945 Email Id info uniphos envirotronic com After Sales Support email id service uniphos envirotronic com Website www uniphos envirotronic com Issue 0 Rev 07L Date 08 02 2022 Prepa...

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