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iTrans User Manual

(P/N: 77023554-1)

All rights reserved. No reproduction of all or part of this document, in any form, is
permitted without the written consent of Oldham S.A.S.

is a trademark of Oldham.

ModBus® is a registered trademark of Schneider Automation Inc.

ModBus® protocol™ is a trademark of Schneider Automation Inc.

All other trademarks and registered trademarks are the property of their respective
owners.

All of the information that is provided in this document is accurate to the best of
our knowledge.

As a result of continuous research and development, the specifications of this
product may be changed without prior notice.

Oldham S.A.S

Rue Orfila

Z.I. Est – CS 20417

F–62027 ARRAS Cedex

Tel.: +33 (0)3 21 60 80 80

Fax: +33 (0) 3 21 60 80 00

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Страница 1: ...DUAL GAS MONITOR WITH DUAL ANALOG OUTPUTS USER MANUAL iTrans FIXED POINT SINGLE OR DUAL GAS MONITOR WITH DUAL ANALOG OUTPUTS Part Number 77023554 1 Version 16 0 Release Date April 20 2016 The Fixed G...

Страница 2: ...on Inc ModBus protocol is a trademark of Schneider Automation Inc All other trademarks and registered trademarks are the property of their respective owners All of the information that is provided in...

Страница 3: ...ic combustible gas sensor and cause readings of combustible gas to be lower than actual gas concentrations If the sensor has been used in an area where silicone vapors were present always calibrate th...

Страница 4: ...d be at least at quarterly intervals while the infrared sensor should be calibrated on an annual basis with function test every 6 months Further Oldham recommends prudent testing and or includes calib...

Страница 5: ...ration 4 1 4 3 Alarm Relay Wiring J1 J5 and J6 4 2 4 4 Power and Output Wiring J1 4 3 4 5 Sensor Wiring J3 4 4 4 6 Digital ModBus RTU Interface Wiring J1 4 9 4 6 1 ModBus Interface Wiring Overview 4 9...

Страница 6: ...Sensors 5 17 CHAPTER 6 MODBUS INTERFACE 6 1 Introduction 6 1 6 2 Sample Gas Reading via ModBus Network 6 1 6 3 ModBus Register List 6 2 6 4 ModBus Resources 6 6 6 5 Termination 6 6 CHAPTER 7 MAINTENA...

Страница 7: ...ontrol systems The is available with an optional relay board allowing the unit to directly control external devices such as fans pumps alarm horns or warning lights Two of the relays can be programmed...

Страница 8: ...ombustible Gases Infrared 150 mA 24 VDC 0 6 A peak single gas Combined Catalytic Infrared 280 mA 24 VDC two gas Display Dual channel split screen LED display 4 digit 7 segment arrangement per channel...

Страница 9: ...ments Phosphine PH3 0 1 00 ppm in 0 01 ppm increments Nitrogen Dioxide NO2 0 2 99 9 ppm in 0 1 ppm increments Nitric Oxide NO 0 999 ppm in 1 ppm increments Chlorine Cl2 0 2 99 9 ppm in 0 1 ppm increme...

Страница 10: ...Electrical apparatus for potentially explosive atmospheres Flameproof enclosures d IEC 60079 15 2005 Electrical apparatus for explosive gas atmospheres Type of protection n Marking Transmitter Ex d I...

Страница 11: ...etection and measurement of combustible gases toxic gases or oxygen for Type 2 Industrial Apparatus The EC type examination certificate is KEMA 04 ATEX 2216X with Marking code Transmitter Ex d IIB H2...

Страница 12: ...talled Conduit Connection An Ex d certified sealing device such as a conduit seal with setting compound suitable for the conditions of use and correctly installed shall be provided immediately to the...

Страница 13: ...iTrans Fixed Point Single Dual Gas Monitor Introduction P N 77023554 1 iTrans User Manual 1 7...

Страница 14: ......

Страница 15: ...anual 2 1 HARDWARE OVERVIEW Chapter 2 2 1 Main Electronics Unit Housing The body is a cast aluminum housing that contains the electronics of the gas monitor Details of a single gas housing are shown i...

Страница 16: ...Divisions 1 and 2 Groups B C D and Ex d IIB H2 T5 ATEX and IECEx Ex d IICT6 Gb China Stainless Steel Explosion proof Class I Divisions 1 and 2 Groups B C D and Ex d IIB H2 T4 Europe Ex d IIC T4 or IIC...

Страница 17: ...sical inputs that are visible behind the glass panel of the gas monitor A set of four keys are used when intrusive programming is appropriate i e when the enclosure can be removed and when the keys ca...

Страница 18: ...sive and non intrusive modes is explained in detail in Chapter 5 Operation 2 5 Electronics Modules The electronics module of the gas monitor contains connectors and jumpers for wiring and configuring...

Страница 19: ...iTrans Fixed Point Single Dual Gas Monitor Hardware Overview P N 77023554 1 iTrans User Manual 2 5 Figure 2 4 Electronics Module for Main Unit Figure 2 5 Electronics Board for Remote Sensor...

Страница 20: ...Hardware Overview iTrans Fixed Point Single Dual Gas Monitor 2 6 iTrans User Manual P N 77023554 1...

Страница 21: ...a possible leak or the source of emissions Installation height depends on the density of the gas being monitored Moreover speed and direction of air flow and relative position to potential leaking po...

Страница 22: ...nstallation iTrans Fixed Point Single Dual Gas Monitor 3 2 iTrans User Manual P N 77023554 1 Figure 3 1 Mounting the Gas Monitor on a Wall Figure 3 2 Mounting the Gas Monitor on a Column Using U Bolts...

Страница 23: ...IMPORTANT DC signal and AC power should not be run in the same conduit NOTE All field wiring colors are arbitrary unless provided by Oldham 4 2 Wiring Preparation 1 Collect the appropriate types and...

Страница 24: ...before making any wiring connections 4 3 Alarm Relay Wiring J1 J5 and J6 To connect the control wires to the three relay terminals on the relay board wire the unit to the connectors shown in Figure 2...

Страница 25: ...inals as follows 24 V Connect 24 VDC 12 28 VDC supply power CH 1 Channel 1 4 20 mA output signal CH 2 Channel 2 4 20 mA output signal GND DC return Figure 4 2 Power and Signal Connector J1 on the NOTE...

Страница 26: ...als as follows 24 V Red wire from sensor head Red wire on BBIR 485A Yellow wire from sensor head White wire on BBIR 485B Black wire from sensor head Green wire on BBIR GND Green wire from sensor head...

Страница 27: ...0 feet with 18 AWG wire NOTE When wiring remote sensors to the 485 B on J3 should be connected to B in the remote sensor enclosure and 485 A on J3 should be connected to A in the remote sensor enclosu...

Страница 28: ...System Wiring iTrans Fixed Point Single Dual Gas Monitor 4 6 iTrans User Manual P N 77023554 1 Figure 4 4 Wiring Diagram for a Single On board Sensor...

Страница 29: ...ing P N 77023554 1 iTrans User Manual 4 7 Figure 4 5 Wiring Diagram for a Remote Sensor Stand Alone NOTE When the remote sensor is at distances of 200 meters or further and the sensor is not communica...

Страница 30: ...a sensor fault check the placement of this jumper If the jumper is on terminals 1 2 move the jumper to terminals 2 3 For digital ModBus signal and power use a minimum of 4 conductors 18 AWG insulated...

Страница 31: ...iTrans Fixed Point Single Dual Gas Monitor System Wiring P N 77023554 1 iTrans User Manual 4 9 Figure 4 7 Wiring Remote Sensors Back to Figure 4 8 Wiring Dual Remote Sensors...

Страница 32: ...rminals on the board See Figure 4 9 Figure 4 9 Wiring Diagram for the ModBus Interface 4 6 2 Setting the ModBus Address on the Located on the back of the electronics module is an 8 position DIP switch...

Страница 33: ...roller PLC or digital system For stand alone sensor heads used in a ModBus network the address is set in the same manner Once the aluminum sensor head is removed with the sensor board the sensor elect...

Страница 34: ...rans Fixed Point Single Dual Gas Monitor 4 12 iTrans User Manual P N 77023554 1 Figure 4 12 Location of Address DIP Switch on Sensor Electronics Module Figure 4 13 Setting the ModBus Address for a Sta...

Страница 35: ...ee Chapter 6 for more information on the ModBus interface Note that DIP switches are pre set at the factory for all dual sensor units 4 7 Wiring Conclusion Once wiring is complete place the electronic...

Страница 36: ......

Страница 37: ...infrared BBIR sensors do not store or transmit the default values for Low Alarm High Alarm and 4 20 mA range to the unit These values are set to zero and must be set following the procedures outlined...

Страница 38: ...re exceeded an alarm indication will appear in the first digit of the display An L indicates a low alarm while an H indicates a high alarm If a 4 20 mA fault occurs either a P indicating an open loop...

Страница 39: ...ed either from the keypad or non intrusively using the magnetic wand Refer to the sections and subsections within this chapter for detailed information When in the Programming Mode either via the magn...

Страница 40: ...etic wand that comes with the unit Placing the magnetic wand over the embedded reed switches located under the CH1 and CH2 designations see Figure 5 4 of the faceplate will allow you to scroll through...

Страница 41: ...a 10 second timer will appear on the bottom row of the LED display During this 10 second time out if the magnetic wand is placed over CH2 that function is entered Once a function is entered a new tim...

Страница 42: ...oing process Figure 5 8 Sample Calibration Display NOTE Before the will calibrate the unit will enter the zeroing process Please make sure that you apply Zero Air to the instrument while it is zeroing...

Страница 43: ...next to it To change the span value place the magnetic wand over CH2 during the 10 second countdown If you do not place the magnet over CH1 during the 10 second countdown the will return to the Norma...

Страница 44: ...Span Reserve Display 5 6 Programming Mode Push Button Operation 5 6 1 Introduction In a safe environment where the windowed top of the transmitter can be removed there are more programming options ava...

Страница 45: ...on the top row of the LED display for 5 7 second After that the LED display will show the list of available functions Use the arrow keys to scroll through the list of functions available Figure 5 15 S...

Страница 46: ...he 10 second countdown the will return to the Normal Operating Mode If you initiate the high alarm option the status bit will start to flash and the high alarm setpoint can be changed by using the and...

Страница 47: ...anged by using the and keys When the desired value is reached press the key If the value is not saved before the time out the will go back to the Programming Mode Figure 5 18 Changing the Analog Outpu...

Страница 48: ...e hour can be changed by using the and keys Figure 5 20 Setting System Time Hour When the desired value is reached press the key If the value is not saved before the time out the will go back to the P...

Страница 49: ...o back to the Programming Mode 5 6 10 Set System Time Year The system s year setting is designated with an 8 in the status bit and current value next to it To change the year press the button during t...

Страница 50: ...LED display To initiate calibration press the key during the 10 second countdown If you do not initiate calibration during the 10 second countdown the will return to the Normal Operating Mode If you i...

Страница 51: ...with a flashing S in the status bit with the current span value next to it To change the span value press the key during the 10 second countdown If you do not press the during the 10 second countdown...

Страница 52: ...ed BBIR sensor currently used with the gas monitor does not fully support or follow all of the functionality or procedures listed within this manual Differences between the functionality of the BBIR s...

Страница 53: ...r is not available to the end user The BBIR sensor s digital address is set at the factory for Channel 1 operation 0x0F or Channel 2 operation 0xF0 This digital address cannot be changed in the field...

Страница 54: ...Operation iTrans Fixed Point Single Dual Gas Monitor 5 18 iTrans User Manual P N 77023554 1...

Страница 55: ...1 ModBus Characteristics for the Gas Monitor Characteristic Description Hardware 2 wire mode not 4 wire Baud Rate 9600 Electrical Standard TIA EIA 485 Transmission Mode RTU mode not ASCII Message Cod...

Страница 56: ...Inst R W Host R W Range Description 40101 R W R W MSB 01 to FF LSB 01 to F7 Sensor Type Holds the sensor instrument type code and ModBus address The most significant byte MSB holds a value indicating...

Страница 57: ...is can be read by the instrument The least significant byte LSB holds a code which identifies the gas type This can be read by the host MSB Decimal place holder 01 to FF LSB Gas type code 01 to FF 01...

Страница 58: ...0000 to FFFF Status Bits Holds 16 bits of status for various parameters in the instrument A bit value of 1 indicates that the associated fault condition is present Bit 15 current loop open Bit 14 cur...

Страница 59: ...set The most significant byte MSB represents the month from 01 to 0C 1 12 The least significant byte LSB represents the day of the month from 01 to 1F 1 31 Examples December 25 0C19 June 31 061F 40118...

Страница 60: ...be used on the instrument The range is from 0000 to 03E8 0 to 100010 40127 R W R 0000 to FFFF Loop High Scaling Holds a value which indicates the gas reading represented by a 20 mA loop output signal...

Страница 61: ...g resistor may be required for the last device on the network please see www modbus org for more details The has a blue jumper on the public jumper that can be used to jumper in a 120 Ohm terminating...

Страница 62: ...ModBus Interface iTrans Fixed Point Single Dual Gas Monitor 6 8 iTrans User Manual P N 77023554 1...

Страница 63: ...ing devices In recognition of this fact calibration for the toxic and catalytic LEL sensors should be at least at quarterly intervals while the Infrared sensor should be calibrated on an annual basis...

Страница 64: ...he cap to the housing Once the cap is removed remove the old sensor and sensor board When installing the new sensor sensor board make sure you line up the notch in the board with the alignment pin Aft...

Страница 65: ...play does not light up Input voltage is too low Electronics module has failed Check for presence of input voltage Output outside 4 20 mA range Unit in calibration mode Electronics module has failed Ex...

Страница 66: ...s not work Electronics module has failed Reed Switch is damaged Replace electronics module and calibrate Replace the reed switch P appears on the display Open loop on a 4 20 mA channel Place a 100 Ohm...

Страница 67: ...he range of 4 20 mA output 1 1 Minute Set system time minute H h Hour Set system time hour D d Date Set system time date E E Month Set system time month 8 8 Year Set system time year 0 0 Zeroing C C C...

Страница 68: ...Troubleshooting iTrans Fixed Point Single Dual Gas Monitor 8 4 iTrans User Manual P N 77023554 1...

Страница 69: ...riting in Oldham literature accompanying the product 9 2 Limitation of Liability Oldham makes no other warranties either expressed or implied including but not limited to the warranties of merchantabi...

Страница 70: ...apabilities and limitations as set forth in the applicable product literature Buyer acknowledges that it alone has determined the intended purpose and suitability of the goods purchased It is expressl...

Страница 71: ...trile butadiene styrene ASCII American Standard Code for Information Interchange BBIR broadband infrared bit binary digit bps bits per second C centigrade CALI calibration CAT catalytic Ch channel CH4...

Страница 72: ...millimeter MSB most significant bit NC normally closed NDIR non dispersive infrared NEMA National Electrical Manufacturers Association NH3 ammonia NO normally open Nitric Oxide NO2 nitrogen dioxide NO...

Страница 73: ...0xAA 170 0xCA 202 0xEA 234 0x0B 011 0x2B 043 0x4B 075 0x6B 107 0x8B 139 0xAB 171 0xCB 203 0xEB 235 0x0C 012 0x2C 044 0x4C 076 0x6C 108 0x8C 140 0xAC 172 0xCC 204 0xEC 236 0x0D 013 0x2D 045 0x4D 077 0...

Страница 74: ...011100 220 11011100 29 00011101 93 01011101 157 10011101 221 11011101 30 00011110 94 01011110 158 10011110 222 11011110 31 00011111 95 01011111 159 10011111 223 11011111 32 00100000 96 01100000 160 10...

Страница 75: ...r 2 0 No sensor 1 Explosion Proof On board 1 Explosion Proof On board 2 Explosion Proof Remote 2 Explosion Proof Remote 3 Non hazardous Remote Duct Mount 3 Non hazardous Remote Duct Mount 4 Explosion...

Страница 76: ...drogen Chloride HCl G LEL Infrared Propane obsolete G LEL Infrared Propane obsolete K Phosphine PH3 K Phosphine PH3 L Hydrogen H2 L Hydrogen H2 C 4 20 mA output scale for sensor 1 G 4 20 mA output sca...

Страница 77: ...ppm 0 1 ppm 5 ppm 2 0 ppm 4 0 ppm NO2 0 99 9 ppm 0 1 ppm 5 ppm 1 0 ppm 2 0 ppm Cl2 0 99 9 ppm 0 1 ppm 10 ppm 0 5 ppm 1 0 ppm ClO2 0 1 00 ppm 0 01 ppm 0 90 ppm 0 30 ppm 0 50 ppm HCN 0 30 0 ppm 0 1 ppm...

Страница 78: ...Appendix D iTrans Fixed Point Single Dual Gas Monitor D 2 iTrans User Manual P N 77023554 1...

Страница 79: ...iTrans Fixed Point Single Dual Gas Monitor Appendix E P N 77023554 1 iTrans User Manual E 1 EU DECLARATION OF CONFORMITY CERTIFICATE Appendix E...

Страница 80: ...Appendix E iTrans Fixed Point Single Dual Gas Monitor E 2 iTrans User Manual P N 77023554 1...

Страница 81: ...5 8 accuracy ii 2 2 acronyms A 1 address selection 1 2 setting 4 9 unique 6 1 agency approvals 1 3 air flow 3 1 alarm s activation 1 1 condition iii date 5 4 horns 1 1 indication 5 2 month 5 4 over ra...

Страница 82: ...1 1 digital controller 4 9 digital ground 4 3 dimensions 2 2 DIP switch 1 2 4 9 4 10 4 12 location 4 9 setting addresses 4 10 Directive 72 23 EEC 1 4 Directive 92 31 EEC 1 4 Directive 93 68 EEC 1 4 D...

Страница 83: ...y 9 1 local authorities 4 1 low alarm 5 1 5 16 6 6 8 3 relay 4 2 6 4 6 6 8 3 setpoint 5 9 threshold 4 2 low pressure 7 1 Lower Explosive Limit LEL A 2 M magnetic wand 1 1 2 3 5 2 5 3 5 4 5 5 5 6 5 7 7...

Страница 84: ...gister 40102 6 1 register 40202 6 2 relay board 1 1 4 2 relays iii 1 1 1 2 B 1 contact capacity 1 2 driving loads 4 2 non latching 4 2 user programmable 1 2 remote sensor 4 5 4 6 Remote Terminal Unit...

Страница 85: ...erminal blocks 4 4 4 5 terminating resistor 4 6 6 7 TIA EIA 485 6 1 time setting 5 11 timers 5 3 5 5 5 6 5 7 5 13 5 14 5 15 toxic 1 2 transmission mode 6 1 transmitter 4 1 5 8 B 1 troubleshooting 8 1...

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Страница 88: ...Cedex FRANCE Tel 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website http www oldhamgas com AMERICAS Tel 1 713 559 9280 Fax 1 281 292 2860 americas oldhamgas com ASIA PACIFIC Tel 86 21 3127 6373 Fax 86...

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