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iTrans_rev 15.0_EN (77023554-1)

1. P N 77023554 1 iTrans User Manual B 1 Appendix B iTrans Fixed Point Single Dual Gas Monitor Table B 2 Decimal and Binary Equivalents Dec Binary Dec Binary Dec Binary Dec Binary 0 00000000 64 01000000 128 10000000 192 11000000 1 00000001 65 01000001 129 10000001 193 11000001 2 00000010 66 01000010 130 10000010 194 11000010 3 0000001 1 67 01000011 131 10000011 195 11000011 4 00000100 68 01000100 132 10000100 196 11000100 5 00000101 69 01000101 133 10000101 197 11000101 6 00000110 70 01000110 134 10000110 198 11000110 7 00000111 71 01000111 135 10000111 199 11000111 8 00001000 72 01001000 136 10001000 200 11001000 9 00001001 73 01001001 137 10001001 201 11001001 10 00001010 74 01001010 138 10001010 202 11001010 11 00001011 75 01001011 139 10001011 203 11001011 12 00001100 76 01001100 140 10001100 204 11001100 13 00001101 77 01001101 141 10001101 205 11001101 14 00001110 78 01001110 142 10001110 206 11001110 15 00001111 79 01001111 143 10001111 207 11001111 16 00010000 80 01010000 144 10010000 208 11010000 17 00010001 81 01010001 145 10010001 209 11010001 18 00010010 82 01010010 146 10010010 210 11010010 19 000
2. 1 3 d ta ai ie 6 1 hydrogen cyanide 1 3 digital ground 4 3 hydrogen sulfide A 2 electrical standard 6 1 message coding System 6 1 I number of devices 1 2 Key arene 2 3 parity bits 6 1 1 2 1 4 22 7 1 9 1 Del POWER WILE ee eec aa 4 1 calibration iii TIE a 6 2 input current maximum cnrs 1 2 TESOULCES nn Messe tit 6 6 INPUT Keys joie coit eph ret er ee tede 2 4 1 1 1 2 4 9 B 1 1 2 8 1 sigtial aa 4 1 installation awe 3 1 slave address 4 9 intrusive programming nee 2 4 software protocol 1 2 four keys MERCREDI REOR 2 3 Start DIIS tec ete e ERES 6 1 ISA 12 13 Part 1 2000 1 3 rends 6 1 terminating resistor essere 6 7 J transmission mode 000000 err 6 1 in m T TA 2 4 6 7 mode key ASES as I CEDE mounting K HOES E Aa 3 1 pipe or conduit 3 1 KEMA 04 ATEX 2216 1 4 keypad ete e 5 13 5 14 7 2 N KG YS sante Ae he ee ain
3. oeste p 5 16 output wiring Jimi 4 3 span gas 5 8 OPUS Aue eG RO 1 2 TeStart c ne nn en e AREA a Mer pee 2 over range routine maintenance 7 1 eee HR RR REIR AR 1 2 OXY BEN scere ERE lii 7 2 1 3 2 2 6 3 5 7 1 2 B 2 Salety SA sa iv sealing device nu 1 5 P secondary higher power 1 4 2 6 1 self test sr 5 1 5 8 eee 1 4 4 2 4 4 4 5 4 7 5 1 phosphine cask 1 3 B 2 5 17 7 1 7 2 9 1 xo c hue ISDEM M 4 9 ATEX certified seen 1 4 poured wire Seal 4 2 board 4 10 6 1 7 2 1 1 4 1 4 2 4 3 4 4 4 7 4 9 calibration service to lii 4 12 5 1 5 16 6 4 7 2 Catalytic ive oni ce eo eet his 7 1 AC and DC in same 4 1 CIOL onal SR eee 8 2 E SERE 1 1 4 4 tra BG a ette his 7 1 wire recommendations 4 1 head s hab o toas 4 4 Sting 4 3 maximum distance 4 4 5 17 jui cu DP 7 1 ___ PANGS si 1 2 fan 1 3 program mode kk 5 2 4 2 4 4 5 17 Programmable Logic Controller PLC 2 teplacement
4. 7 2 programming ju AA 5 2 5 8 ACCESS COde ien elei me iere ee 5 8 specifications 2 2 TOL ERN Fe E 5 3 5 4 5 7 5 10 SONNE S scc Re Eten GEI RE 7 1 5 11 5 12 5 13 5 15 TYPE C M 2 2 5 4 5 5 protection class 2 2 2 wiring J3 seen 4 4 Je oiea cite tt nn 6 6 serial bus public 485 GND acie 4 3 abnormal behavior 6 1 DUNS 1 1 9 1 SCtPOINT sns 5 9 5 10 5 11 push button operation mn 5 8 setting 4 sese 1 5 SEP n 5 5 Q shielded cable 4 1 4 4 4 7 5 17 qualified personnel ss Bum e R signal outputs err Per rr RR RETE 1 2 Signal Reps 4 3 real time clock 0ee eeen 5 16 5 17 6 5 2 recommendations ss 4 1 reed switch RAP EEE EE 2 3 2 4 5 2 5 4 8 2 silicone compound vapors sese iii location sss 2 3 2 4 silicone VAPOTS nn aaa iii register 40102 6 1 I E AE 4 2 register 40202 6 2 slave address 4 9 relay board 1 1 4 2 Slave ecce ed A 6 1 sassa iii 1 1 1 2 1 SMART 8 2 contact Capacity 1 2 uoc RA 5 2 driving loads 42 cH A 2 4 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor SPAN gas 1 1 5 2 5 6 5
5. in the status bit 10 second timer is displayed on the bottom line of the LED display To initiate calibration press the key during the 10 second countdown If you do not initiate calibration during the 10 second countdown iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate calibration the status bit will start to flash and the Trans ERREUR SOURCE DU RENVOI INTROUVABLE wili enter the zeroing process Figure 5 25 Sample Calibration Display NOTE Before the trams ERREUR SOURCE DU RENVOI INTROUVABLE will calibrate the unit will enter the zeroing process Please make sure that you do not apply gas to the instrument while it is zeroing TheaTramns ERREUR SOURCE DU RENVOI INTROUVABLE will automatically zero before calibration Zeroing is designated with a flashing 0 in the status bit Once zeroing is complete the iTrams ERREUR SOURCE DU RENVOI INTROUVABLE wil automatically enter the calibration routine Calibration is designated with a flashing in the status bit After zeroing finishes the Trans ERREUR SOURCE DU RENVOI INTROUVABLE is ready to calibrate When the flashing appears on the display apply calibration gas As ERREUR SOURCE DU RENVOI INTROUVABLE responds to the gas the current reading will be displayed on the top line of the LED display To abort calibration at any time press the key
6. BLACK 485B GREEN GND Figure 4 7 Wiring Remote Sensors Back to iTrans ERREUR SOURCE DU RENVOI INTROUVABLE GND CHANNEL 2 CHANNEL 1 24 E 72 POWER FS 24 VDC GND 4 20mA CHANNEL 1 CHANNEL 2 PUBLIC 485 485 485 RED YELLOW BLACK E FROM ENSOR 1 AND SENSOR 2 485A GND GREEN ZN CONNECTORS AND CONDUIT SUITABLE FOR LOCATION SHOWN FOR REFERENCE ONLY 24 VDC RED 485 A YELLOW 485 B BLACK GND GREEN 24 VDC RED 485 A YELLOW 485 B BLACK GND GREEN Figure 4 8 Wiring Dual Remote Sensors 4 10 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor System Wiring 4 6 Digital ModBus RTU Interface Wiring J1 4 6 1 ModBus Interface Wiring Overview To interface the iTrams ERREUR SOURCE DU RENVOI INTROUVABLE to a digital controller PLC or HMI connect the power and ground to the appropriate terminals mentioned above The digital signals are wired into the RS485A and RS485B terminals on the board See Figure 4 9 485 485A Public 485 J 1 s MODBUS 9 Ground Interface for 485 485B PLC DCS Figure 4 9 Wiring Diagram for the ModBus Interface 4 6 2 Setting the ModBus Address on the Trams ERREUR SOURCE DU RENVOI INTROUWABLE Located on the back of the electronics module is an 8 position DIP switch This switch bank is used to set the ModBus Slave Address for the Trams ERREUR SOURCE D
7. NOTE Check and verify span setting before starting a calibration NOTE Please refer to Appendix D for a complete list of factory default span gases 5 16 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation NOTE Flow rate for calibration is 0 5 liter per minute LPM except for Ch SO and which require 1 0 LPM 5 6 13 Changing Span Gas Concentration The span option is designated with a flashing S in the status bit with the current span value next to it To change the span value press the JJ key during the 10 second countdown If you do not press the 21 during the 10 second countdown the Trans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the change span option the status bit will start to flash and the Trans ERREUR SOURCE DU RENVOI INTROUVABLE span value can now be changed Figure 5 26 Sample Span Gas Concentration Display The current span value is displayed on the top line of the LED display Use the T and J keys to change the span value When the desired value is o e LI reached press the JJ key to save changes Pressing the Mode key or letting the timer count down to zero without saving the new value will lt s take you back into the Programming Mode Figure 5 27 Flashing Status Bit NOTE If the J key is not pres
8. on the switch bank and position 1 of the switch bank represents the right most binary digit LSB ModBus characteristics for the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE are listed below Table 6 1 ModBus Characteristics for the iTrans ERREUR SOURCE DU RENVOI INTROUWABLE 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 Coding System 8 bit Start Bits 1 Data Bits 8 LSB sent first Parity Bits 0 Stop Bits 1 Important When commissioning master and slave units a ModBus network it is critical to ensure that every device on the ModBus network must have a unique address Otherwise abnormal behavior of the entire serial bus can occur P N 77023554 1 iTrans User Manual 6 1 ModBus Interface iTrans Fixed Point Single Dual Gas Monitor 6 2 Sample Gas Reading via ModBus Network To get a gas reading for Channel 1 you must read register 40102 This register holds the gas reading in ppm Example Gas reading of 5 ppm register value of 0005 Example Gas reading of 20 9 register value of 0209 For Channel 2 you can access the gas reading by looking at register 40202 For a full list of ModBus commands and registers that are accessible on the iTrams ERREUR SOURCE DU RENVOI INTROUVABLE refer to the next section or for the most up to date list c
9. 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 R R W 0002 to 0063 RTC Year 00yy Holds the year to which the real time clock RTC should be set The most significant byte MSB is always 00 The least significant byte LSB represents the two digit year within the 21 century from 02 which represents 2002 to 063 which represents 2099 Examples 2002 02 base year of 2000 0002 2010 210 base year of 2000 000A 2099 299 base year of 2000 0063 40119 R R W MSB 00 to 18 RTC Hours and Minutes LSB 00 to 3C Holds the hours and minutes to which the RTC should be set The most significant byte MSB represents the hour from 00 to 18 00 24 The least significant byte LSB represents the 6 6 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor ModBus Interface Inst Host er Addr R W R W Range Description minutes from 00 to 3C 00 to 60 Note that the seconds default to zero 00 each time the hours and minutes are set Examples 13 05 0005 24 00 1800 40124 R W 0000to FFFF Low Alarm Display Setting Holds the value of the gas reading at which the low alarm display will activate 40125 R R W 0000to SFFFF High Alarm Display Setting Holds the value of the gas reading at which the high alarm displa
10. 77023554 1 iTrans User Manual V Table of Contents iTrans Fixed Point Single Dual Gas Monitor 2 00 97 Set LOWAL ec 5 10 564 Set He AE GG qd 5 10 5 6 5 4 20 mA Analog Output Range seen 5 10 5 6 6 Set System Time MIU 5 11 5 6 7 Set System Time Hour 5 11 5 6 8 Set System Time Date kaka a 5 12 3 0 9 c Sel vote nn Time Month si este kn aute oeste mass na a 5 12 5 6 10 Set System Time ce hecho EN AN ne ne 5 13 A O I N A E E 5 13 2 6 12 Cabral 5 14 5 6 13 Changing Span Gas Concentration 5 15 5 6 14 Sonsor Span RS tte 5 16 5 6 Special Notes on Using Broadband Infrared BBIR Sensors 5 17 CHAPTER 6 MODBUS INTERFACE 6 1 Introductions RS eec cenae ei te ena e a a EE nerd 6 1 6 2 Sample Gas Reading via ModBus Network ue ee RR Re 6 1 6 3 ModBus Resister List SSSR SSSR SNS hrs 6 2 6 4 ModBus Resources ukutaka kana kanakuna hunaq 6 6 6 5 Term dx ue mn Fete te e Eee huq muu asua 6 6 CHAPTER 7 MAINTENANCE 7 15 Introduction Score ee e tet RA 7 1 Tele lt Senso Replacement dete e e eA Re he 7 2 73 Zero and Calibrations 245455 6665 7 2 CHAPTER 8 TROUBLESHOOTING f LE LD LE el CS mt 8 1 8 2 Diagnosing Common OL 8 1 8 37 COS oie nue e tme ede u u Re ee ug 8 2 8 4
11. 01110000 176 10110000 240 11110000 49 00110001 113 01110001 177 10110001 241 11110001 50 00110010 114 01110010 178 10110010 242 11110010 51 00110011 115 01110011 179 10110011 243 11110011 52 00110100 116 01110100 180 10110100 244 11110100 53 00110101 117 01110101 181 10110101 245 11110101 54 00110110 118 01110110 182 10110110 246 11110110 55 00110111 119 01110111 183 10110111 247 11110111 56 00111000 120 01111000 184 10111000 248 11111000 57 00111001 121 01111001 185 10111001 249 11111001 58 00111010 122 01111010 186 10111010 250 11111010 59 00111011 123 01111011 187 10111011 251 11111011 60 00111100 124 01111100 188 10111100 252 11111100 61 00111101 125 01111101 189 10111101 253 11111101 62 00111110 126 01111110 190 10111110 254 11111110 63 00111111 127 01111111 191 10111111 255 11111111 B 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Appendix C ORDERING MATRIX Appendix This appendix provides an ordering matrix for the ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor iTrams ERREUR SOURCE DU RENVOI INTROUVABLE part number 7814635 ABCDEFG Single or dual on board or remote toxic combustible and oxygen sensors with dual 4 20 mA outputs one per sensor or ModBus RTU outputs Remote sensor capable of operation up to 200 meters from main transmitter Operating temperature range 20 to 50 Example 7814635 1C21241 On board LEL 4 20 mA scale 0 1
12. 280 mA 24 VDC two gas Dual channel split screen LED display 4 digit 7 segment Display arrangement per channel provides simultaneous display of one or two gases ModBus RS485 digital communication with ModBus RTU software protocol system at 9600 baud Dieital Three or four wire system accommodates over 200 signal devices in bus configuration Address selection through g 8 Outputs on board 8 position DIP switch NOTE ModBus is not to be used for CSA C22 2 No 152 compliance Analog 4 20 mA linear analog 3 alarm relays Two user programmable relays SPST sap MAG N O plus one fault relay SPST N C 1 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Introduction Contact 5A 30 VDC Capacity 5A 30 VAC Temperature 40 C 75 40 167 Range 20 C 50 C 4 F 122 for BBIR only Humidity Range 1096 9096 RH non condensing typical Pressure Atmospheric pressure 10 P N 77023554 1 iTrans User Manual 1 3 Introduction iTrans Fixed Point Single Dual Gas Monitor Table 1 2 Sensor Ranges Sensor Gas Range Resolution Combustible Gases LEL 0 100 LEL in 1 increments Hydrogen 0 999 ppm in ppm increments Oxygen O 0 30 0 by vol in 0 1 increments Ammonia NH 0 500 ppm in ppm increments C
13. 9 ppm 0 1 ppm 5 ppm 1 0 ppm 2 0 ppm Cl 0 99 9 ppm 0 1 ppm 10 ppm 0 5 ppm 1 0 ppm 0 1 00 ppm 0 01 ppm 0 90 ppm 0 30 ppm 0 50 ppm HCN 0 30 0 ppm 0 1 ppm 10ppm 5 0ppm 10 0 ppm PH 0 1 00 ppm 0 01 ppm 1 0ppm 0 30 ppm 0 60 ppm NULL 0 999 ppm 1 ppm 100 ppm 35ppm 70 ppm NO 0 999 ppm 1 ppm 25 ppm 25ppm 50 ppm NH 0 500 ppm 1 ppm 25 ppm 25ppm 50 ppm HCl 0 30 0 ppm 0 1 ppm 10ppm 5 0ppm 10 0 ppm 0 999 ppm 1 ppm 100 ppm 50ppm 100 ppm 0 30 Vol 0 1 Vol 20 9 19 5 23 5 Infrared LEL 0 100 LEL 1 LEL 50 LEL 10 LEL 20 LEL Combustible LEL 0 100 LEL 1 LEL 25 LEL 10 20 LEL P N 77023554 1 iTrans User Manual D 1 Appendix D iTrans Fixed Point Single Dual Gas Monitor D 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Appendix E Appendix EC DECLARATION OF CONFORMITY CERTIFICATE V OLDHAM MANUFACTURER DECLARATION OF CONFORMITY C The company Oldham S A S 21 Est 62000 Arras France declares that the following new material intended for use in Explosive Atmospheres Gas Detector type iTrans complies with the requirements of the following European Directives 1 The European Directive ATEX 94 9 CE dated from 23 03 94 Explosives Atmospheres Explosives EC Type Examination Certificate number KEMA 04ATEX2216X Issued by the Notified Body 0344 KEMA Quality B V Utrechtsew
14. Limitation of Liability Oldham makes no other warranties either expressed or implied including but not limited to the warranties of merchantability or fitness for particular purpose Should the product fail to conform to the above warranty buyer s only remedy and Oldham s only obligation shall be at Oldham s sole option replacement or repair of such non conforming goods or refund of the original purchase price of the non conforming goods In no event will Oldham be liable for any other special incidental or consequential damages including loss of profit or loss of use arising out of the sale manufacture or use of any products sold hereunder whether such claim is pleaded in contract or in tort including strict liability in tort It shall be an express condition to Oldham s warranty that all products be carefully inspected for damage by buyer upon receipt be properly calibrated for buyer s particular use and be used repaired and maintained in strict accordance with the instructions set forth in Oldham s product literature Repair or maintenance by non qualified personnel will invalidate the warranty as will the use of non P N 77023554 iTrans User Manual 9 1 Warranty iTrans Fixed Point Single Dual Gas Monitor approved consumables or spare parts As with any other sophisticated product it is essential and a condition of Oldham s warranty that all personnel using the products be fully acquainted with their use capabilities and
15. OxAF 175 OxCF 207 OxEF 239 0x10 2 016 0x30 048 0x50 080 0x70 112 0 90 144 OxBO 176 OxDO 208 OxFO 240 0x11 017 0x31 049 0x51 081 0 71 113 0 91 145 OxB1 177 OxD1 209 OxF1 241 0x12 018 0x32 050 0x52 082 0x72 114 0x92 146 OxB2 178 OxD2 210 OxF2 242 0x13 019 0x33 051 0x53 083 0x73 115 0x93 147 0xB3 179 OxD3 211 OxF3 243 0x14 020 0x34 052 0x54 084 0x74 116 0x94 148 OxB4 180 OxD4 212 OxF4 244 0x15 021 0x35 053 0x55 085 0 75 117 0 95 149 5 181 OxD5 213 OxF5 245 0x16 022 0x36 054 0x56 086 0x76 118 0x96 150 OxB6 182 OxD6 214 OxF6 246 0x17 023 0x37 055 0x57 087 0x77 119 0x97 151 0xB7 183 OxD7 215 OxF7 247 0x18 024 0x38 056 0x58 088 0x78 120 0x98 152 0xB8 184 0 08 216 OxF8 248 0x19 025 0x39 057 0x59 089 0x79 121 0x99 153 OxB9 185 OxD9 217 OxF9 249 Ox1A 026 0x3A 058 0x5A 090 Ox7A 122 Ox9A 154 186 OxDA 218 OxFA 250 Ox1B 027 Ox3B 059 5 091 Ox7B 123 Ox9B 155 OxBB 187 OxDB 219 OxFB 251 0 1 028 Ox3C 060 0 5 092 0 7 124 Ox9C 156 OxBC 188 OxDC 220 OxFC 252 Ox1D 029 0x3D 061 0 50 093 0 70 125 Ox9D 157 OxBD 189 OxDD 221 OxFD 253 Ox1E 030 Ox3E 062 Ox5E 094 Ox7E 126 Ox9E 158 OxBE 190 OxDE 222 OxFE 254 Ox1F 031 Ox3F 063 Ox5F 095 Ox7F 127 Ox9F 159 OxBF 191 OxDF 223 OxFF 255
16. RENVOI INTROUVABLE require no other routine maintenance NOTE Take special care with handling and storing sensors They are delicate and can be damaged by storage in environments outside the specified temperature pressure and humidity limits NOTE Sensors are susceptible to damage from high pressure or low pressure especially if the change is sudden Also sensors should not be operated at pressures that are 10 above or below atmospheric pressure P N 77023554 iTrans User Manual 7 1 Maintenance iTrans Fixed Point Single Dual Gas Monitor NOTE If sensors and the surrounding environment must be washed down at any time cover the opening of the sensor housing to protect it from water or excess moisture Remove cover when wash down is complete An optional splashguard is available for continuous protection 7 2 Sensor Replacement Sensor replacement must be done by qualified personnel To replace the sensor shut down power to the unit Un thread the sensor housing cap from the sensor housing There is a set screw that secures the 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 After the new sensor is in place screw the sensor cap back on to the housing and secure the set screw Once the new sensor is in place and has time to settle out it should be zeroed and calibrated for accu
17. SOURCE DU RENVOI INTROUVABLE day can be changed by using the 7 and gt keys When the desired value is reached press the J key If the value is not saved before the time out the ERREUR SOURCE DU RENVOI INTROUVABLE will go back to the Programming Mode 5 6 9 Set System Time Month The system s month setting is designated with an in the status bit and current value next to it To change the month press the 1 button during the 10 second countdown If you do not press 1 during the 10 second countdown the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the month option the status bit will start to flash and the rrams ERREUR Figure 5 22 Setting System Month SOURCE DU RENVOI INTROUVABLE month value can be changed by using the T and 4 keys When the desired value is reached press the J key If the value is not saved before the time out the aTrams ERREUR SOURCE DU RENVOI INTROUVABLE wil go back to the Programming Mode 5 14 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation 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 21 button during the 10 second countdown If you do not press during the 10 second countdown th
18. User Manual 3 3 iTrans Fixed Point Single Dual Gas Monitor System Wiring Chapter SYSTEM WIRING 4 1 Introduction This chapter outlines the steps required for wiring the ERREUR SOURCE DU RENVOI INTROUVABLE sas monitor These steps include the following e Wiring Preparation e Sensor Wiring e Alarm Relay Wiring e Power and Output Wiring e ModBus Interface Wiring Each of these steps is outlined in the sections that follow IMPORTANT Perform all wiring in accordance with local electrical codes and local authorities having jurisdiction IMPORTANT DC signal and AC power should not be run in the same conduit NOTE field wiring colors are arbitrary unless provided by Oldham 4 2 Wiring Preparation 1 Collect the appropriate types and lengths of wire e For control wire use 18 AWG insulated shielded cable e For signal and power wire use three conductor or four conductor for dual channel 18 AWG insulated and shielded cable e For digital ModBus signal and power use minimum of five conductor 18 AWG insulated and shielded cable Power down the unit Unthread the windowed top from the housing Gently pull out the electronics module and place it safely to the side of the unit Mis der oues apa Thread control signal and power wires into the transmitter housing P N 77023554 1 iTrans User Manual 4 System Wiring iTrans Fixed Point Single Dual Gas Monitor 6 Shielding from
19. changing upper range 5 10 5 2 fixed lower range 5 10 NOE USING ise een Speer ere minuit 4 4 A abbreviations eenaa eerte eerte 1 access COUR isi secs eee 5 8 ACCULACY esee eain nn ii 2 2 ACTONYIMS cop secre ener 1 address SELECTION 1 2 Setting iiem e AAA 4 0 unique sober 6 1 agency approvals 1 3 AW rene a 3 1 alarm s aCctiVatlQric iore nan ana 1 1 Condition nett rte ee EE ERR ee iii date eme EE ett 5 4 lotis an 1 1 indication roe ertet 5 2 5 4 over range alarm sese iii 1 2 CAPACITY AAMUA KAWA NA 1 2 wiring ISI Ai 4 2 aluminum II 1 2 2 1 4 10 AMMONIA S 1 3 C 1 ANAS 5 10 anticipated sasssa nuits 7 1 apply calibration gas 5 6 arrow 5 9 5 10 5 11 5 12 5 13 atmospheric pressure iii 1 2 7 1 B banana Jacks nt eee n Se pere 4 12 baud rate eene oes 6 1 BBIR us asss nee 4 4 5 1 5 16 5 17 6 2 1 address 5 17 calibrating 5 16 calibration time 5 16 5 17 SDandesetVe see te pir rr u Sus 5 17 omne ng RO TERR 5 16 5 17 binary edet eim 4 9 A 1 blue 6 7 broadband infrared 5 1 5 16 5 17 1 C cable entr
20. for potentially explosive atmospheres General requirements e EN 60079 1 2004 Electrical apparatus for potentially explosive atmospheres Flameproof enclosures d P N 77023554 1 iTrans User Manual 1 5 Introduction iTrans Fixed Point Single Dual Gas Monitor e EN 60079 15 2003 Electrical apparatus for explosive gas atmospheres Type of protection e EN 50270 Electromagnetic compatibility Electrical apparatus for the detection and measurement of combustible gases toxic gases or oxygen for Type 2 Industrial Apparatus The iTrans ERREUR SOURCE DU RENVOI INTROUVABLE type examination certificate is KEMA 04 ATEX 2216X with Marking code Transmitter Ex d IIB H2 T5 Ta 40 C to 75 C Sensor dependen Ex d IIB H2 T5 40 C to 75 Ex nA II T5 Ta 40 C to 75 0 LEL H gt CO HS SO PH3 NO Ch NH CIO 1 6 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Introduction 1 4 Special Instructions for Safe Use EU e Cable connection The cable entry device shall be of a certified flameproof type suitable for the conditions of use and correctly installed e 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 entrance of the housing e Unused ope
21. in the setup menu A 0 is displayed in the status bit of the display to designate this function A 10 second timer is displayed on the bottom line of the LED display To initiate zeroing place the magnetic wand over CH2 during the 10 second countdown If you do not initiate zeroing during the 10 second countdown the Trans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode To abrot zeroing at any time place the magnatic wand over CHI Figure 5 7 Sample Zeroing Display P N 77023554 1 iTrans User Manual 5 5 Operation iTrans Fixed Point Single Dual Gas Monitor If you initiate zeroing the status bit will start to flash Once zeroing is complete the unit will return to the Normal Operating Mode 5 5 4 Calibration Calibration is the next available option Calibration is designated with a C in the status bit A 10 second timer is displayed on the bottom line of the LED display initiate calibration place the magnetic wand over CH2 during the 10 second countdown If you do not initiate calibration during the 10 second countdown the iaTFrams ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate calibration the status bit will start to flash and the aYrams ERREUR SOURCE DU RENVOI INTROUVABLE will enter the zeroing process Figure 5 8 Sample Calibration Display NOTE Before the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE
22. is 2 3 2 4 NDIR 1 2 A 2 L NELWOTK sers eben Rose tn ct A in 6 1 nitric oxide 1 3 1 B 2 LED display 1 2 2 3 5 1 5 5 5 6 5 7 5 8 nitrogen 1 3 6 4 A 1 B 2 5 9 5 13 5 14 5 15 5 16 8 1 NO cnet mien mee A 2 TEL sensors een lii 1 2 1 4 5 8 non intrusive 1 1 2 3 2 4 5 2 5 4 5 5 5 8 5 16 6 3 7 1 9 1 C 1 available functions 5 4 life SPAN v iii iv 7 1 non latching MERE iii 4 2 limitation of Nability mi 9 1 normal modes uu taies 2 local authorities eeen n 4 1 Normal Operating Mode 5 1 5 2 5 5 5 6 5 7 5 9 EA IAEA 5 1 5 16 6 6 5 10 5 11 5 12 5 13 5 14 5 15 Normally Closed NC 4 2 Index iTrans Fixed Point Single Dual Gas Monitor Normally Open NO contact 4 2 pon late hina ope ORI 4 2 laboratory tsrs 1 3 user programmable sese 1 2 remote SENSOT eene 4 5 4 6 0 Remote Terminal Unit RTU 6 1 2 Dno tetas CI E LEE A 2 remote Unit 2 4 open loop condition ets 5 2 replacing SENSOLS siss si s 7 2 operating i n gn 1 2 eei te san ESS 4 4 ordering MA AA agn 1
23. jB ncton Codes onde e ee ott ote cet aaa 8 3 CHAPTER 9 WARRANTY te 9 1 Des rat 9 1 APPENDIX A ACRONYMS AND ABBREVIATIONS APPENDIX B DECIMAL BINARY AND HEXADECIMAL EQUIVALENTS APPENDIX C ORDERING MATRIX APPENDIX D FACTORY DEFAULT SETTINGS APPENDIX E EC DECLARATION OF CONFORMITY CERTIFICATE APPENDIX F INDEX vi iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Introduction Chapter INTRODUCTION 1 1 Overview of the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Gas Monitor The aTrams ERREUR SOURCE DU RENVOI INTROUVABLE fixed gas monitor is an independent monitor capable of displaying one or two gas concentrations as well as sensor or instrument specific diagnostics The aTrams ERREUR SOURCE DU RENVOI INTROUVABLE comes standard with independent 4 20 mA outputs for each channel making it ideal for interfacing to control units A digital ModBus interface is also available allowing the EFrans ERREUR SOURCE DU RENVOI INTROUVABLE to interface to digital control systems The iTrans ERREUR SOURCE DU AQHA RENVOI INTROUVABLE is available with SI an optional relay board allowing the unit to directly control external Figure 1 1 Typical ERREUR SOURCE DU devices such as fans pumps alarm RENVOI INTROUVABLE Gas Monitor with horns or warning lights Two of the Single Gas Sensor Stainless Steel relays can be programm
24. 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 expressly agreed by the parties that any technical or other advice given by Oldham with respect to the use of the goods or services is given without charge and at buyer s risk therefore Oldham assumes no obligation or liability for the advice given or results obtained SPECIFICATIONS SUBJECT TO CHANGE 9 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Appendix A Appendix ACRONYMS AND ABBREVIATIONS This appendix contains acronyms and abbreviations that are used within this document Table A 1 Acronyms and Abbreviations Abbr Definition A Ampere ABS acrylonitrile butadiene styrene ASCII American Standard Code for Information Interchange BBIR broadband infrared bit binary digit bps bits per second centigrade CALI calibration CAT catalytic Ch channel CH methane chem chemical Ch chlorine CIO chlorine dioxide CO carbon monoxide CSA Canadian Standards Association DC direct current DCS distributed control system DIP dual in line package DISP display F Fahrenheit FAQ frequently asked questions FAUL fault FIFO first in first out GND ground P N 77023554 1 iTrans User Manual 1 Appendix A iTrans Fixed Poin
25. only e CSA Std C22 2 No 213 M1987 Non incendive Electrical Equipment for Use in Class I Division 2 Hazardous Locations Marking Transmitter Class L Div 1 Groups B C D AEx d H2 5 SENSOT gas dependent 9 Class I Div 1 Groups B C D AEx d H2 5 Class I Div 2 Groups A B C D AEx d H2 T5 Ambient for Model 7701 5857 Fixed IR sensor BBIR is 20C to 55 Ambient for all other devices is 40C to 75 The STrams ERREUR SOURCE DU RENVOI INTROUVABLE is certified under the IECEx scheme to 60079 0 2007 Electrical apparatus for potentially explosive atmospheres General requirements e IEC 60079 1 2003 Electrical apparatus for potentially explosive atmospheres Flameproof enclosures d e EC 60079 15 2005 Electrical apparatus for explosive gas atmospheres Type of protection n Marking Transmitter Ex d IIB H2 T5 IP66 Ta 40 C to 75 C Sensor gas dependent 9 Ex d IIB H2 T5 IP66 Ta 40 C to 75 C Ex nA II T5 Ta 40 C to 75 The iTrams ERREUR SOURCE DU RENVOI INTROUVABLE complies with relevant provisions per listed standards of European ATEX Directive 94 9 EC and EMC Directive 89 336 EEC amended by Directives 92 31 EEC and 93 68 EEC and is constructed with reference to published standards of Directive 72 23 EEC to eliminate electrical risks and fulfill 1 2 7 of Annex II of Directive 94 9 EC e EN 60079 0 2004 Electrical apparatus
26. switch above the glass face plate without the wand physically touching the reed switches The locations of the reed switches are shown in Figure 2 3 P N 77023554 1 iTrans User Manual 2 3 Hardware Overview iTrans Fixed Point Single Dual Gas Monitor Reed Switch CH1 INDUSTRIAL SCIENTIFIC Reed Switch CH2 LED Display MODE Key Key Key Enter Key Figure 2 3 Locations of iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Input Keys and Reed Switches Programming the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor in both intrusive and non intrusive modes is explained in detail in Chapter 5 Operation 2 5 Electronics Modules The electronics module of the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor contains connectors and jumpers for wiring and configuring the device The electronics module for a main Trans ERREUR SOURCE DU RENVOI INTROUVABLE unit is shown in Figure 2 4 The electronics module for a remote unit is shown in Figure 2 5 Wiring details are explained in Chapter 4 System Wiring 2 4 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Hardware Overview Digital Interface and Power for Sensors Main Power and Output Signals 24VDC o Power 24VDC 485A Sensor 1 4 20mA 485 B Sensor 2 4 20mA Ground Ground EMI 485A Public 485 MODBUS High Ground Interf
27. 00 and remote mount H2S 4 20 mA scale 0 500 with relays Sensor 1 Configuration B Gas sensor 1 E Sensor 2 Configuration Gas sensor 2 4 20 mA output scale for sensor 1 4 20 mA output scale for sensor 2 D Optional on board relays A Sensor 1 1 Explosion Proof On board 2 Explosion Proof Remote 3 Non hazardous Remote Duct Mount 4 Explosion Proof On board with Splash Guard 5 Explosion Proof Remote with Splash Guard 6 Stainless Steel On board 7 Stainless Steel Remote B Gas sensor 1 1 Carbon Monoxide CO 2 Nitric Oxide NO 3 Ammonia NH3 4 Hydrogen Sulfide H2S 5 Sulfur Dioxide SO2 6 Nitrogen Dioxide NO2 7 Chlorine Ch 8 Chlorine Dioxide CIO 9 Hydrogen Cyanide A Oxygen O gt Infrared obsolete Sensor 2 0 No sensor 1 Explosion Proof On board 2 Explosion Proof Remote 3 Non hazardous Remote Duct Mount 4 Explosion Proof On board with Splash Guard 5 Explosion Proof Remote with Splash Guard 7 Stainless Steel Remote F Gas sensor 2 1 Carbon Monoxide CO 2 Nitric Oxide NO 3 Ammonia NH3 4 Hydrogen Sulfide H2S 5 Sulfur Dioxide 02 6 Nitrogen Dioxide NO2 7 Chlorine Cla 8 Chlorine Dioxide CIO2 9 Hydrogen Cyanide Oxygen O2 LEL Infrared obsolete P N 77023554 1 iTrans Use
28. 10011 83 01010011 147 10010011 211 11010011 20 00010100 84 01010100 148 10010100 212 11010100 21 00010101 85 01010101 149 10010101 213 11010101 22 00010110 86 01010110 150 10010110 214 11010110 23 00010111 87 01010111 151 10010111 215 11010111 24 00011000 88 01011000 152 10011000 216 11011000 25 00011001 89 01011001 153 10011001 217 11011001 26 00011010 90 01011010 154 10011010 218 11011010 27 00011011 91 01011011 155 10011011 219 11011011 28 00011100 92 01011100 156 10011100 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 10100000 224 11100000 33 00100001 97 01100001 161 10100001 225 11100001 34 00100010 98 01100010 162 10100010 226 11100010 35 00100011 99 01100011 163 10100011 227 11100011 36 00100100 100 01100100 164 10100100 228 11100100 37 00100101 101 01100101 165 10100101 229 11100101 38 00100110 102 01100110 166 10100110 230 11100110 39 00100111 103 01100111 167 10100111 231 11100111 40 00101000 104 01101000 168 10101000 232 11101000 41 00101001 105 01101001 169 10101001 233 11101001 42 00101010 106 01101010 170 10101010 234 11101010 43 00101011 107 01101011 171 10101011 235 11101011 44 00101100 108 01101100 172 10101100 236 11101100 45 00101101 109 01101101 173 10101101 237 11101101 46 00101110 110 01101110 174 10101110 238 11101110 47 00101111 111 01101111 175 10101111 239 11101111 48 00110000 112
29. 15 CS A approvals vetere eite eie tenes 1 3 F C22 2 No 152 compliance 1 2 Std C22 2 No 152 1984 1 3 M MA LEE Std C222 No 213 M1987 1 4 md M EE Hn s Std C22 2 No 142 M1987 1 3 fault protection relay ae EN Si A 1 1 Std C22 2 No 30 M1986 1 3 ls AU L antera MA es ault 1 2 5 1 CULLEN draw rere tenete 1 2 ah 5 6 5 7 5 12 5 13 5 14 5 15 D HOW e annassa uqhu 5 6 5 15 four keys nanus ah De Domi 2 3 data bits 5 3 5 4 6 1 function codes nn nn 8 3 decimals nieret etrese eR 5 3 function test frequency iii Declaration of Conformity Certificate E 1 functions available 5 4 5 8 5 9 decrement key eee 2 3 future functionality 5 16 digital control systems 1 1 digital controller essen 4 0 G del P gas concentrations 1 1 5 2 Switch oe 1 2 4 9 4 10 4 12 lower than normal readings lii gas rEAdINY 6 1 6 2 6 6 location OR 4 9 bustibl iss setting addresses 4 10 A F 2 iTr
30. 15 8 3 concentration 1 1 5 7 5 8 5 15 5 16 8 3 Option edere tertie 5 7 5 15 Value stum 5 4 span reserve 5 8 5 16 5 17 7 3 8 4 BBUR ete 5 17 span setting snakk ski s ran ra 5 6 5 15 span value epe 5 7 5 15 abortig eerte er 5 16 CHAN BING eene eee Rete 5 7 specifications 1 1 1 2 SEDSOFS eR RR Oe 2 2 splashguard rss r nar 7 2 SPST relays ie eee 1 2 A 2 stamless steel issu misent 1 2 standards Canadian esee eH 1 3 Sks 1 3 Start DilSias EY 6 1 Stan 5 1 status bit 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 10 5 11 5 12 5 13 5 14 5 15 5 16 PAS WING cei a elt 5 6 5 7 Sedi E 6 1 4 2 sulfur dioxide 1 3 6 4 A 2 switch bank location i cer 4 9 setting addresses eeen 4 10 T technical support Ets 6 2 temperature yu eR THREE HEUS 7 1 TANBE ET 1 2 terminal blocks 4 4 4 5 terminating resistor 4 6 6 7 TIA BIA 4825 En ie 6 1 time Setting ierit tee ed 5 11 timers 5 3 5 5 5 6 5 7 5 13 5 14 5 15 gets Eve ev be Rens 1 2 transmission mode 6 1 transmitter
31. 2 Groups T6 China A B C D and Ex nA IIC T5 IECEx and Ex nA II T5 ATEX Dimensions 3 0 x 3 0 inches 76 x 76 mm 3 5 x 3 0 inches 89 x 76 mm Accuracy t 396 Toxic and Oxygen lt t 5 Combustibles ceci IP 66 or NEMA4X ass 2 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Hardware Overview 2 3 Display The aT rans ERREUR SOURCE DU RENVOI INTROUVABLE sas monitor has 4 digit 7 segment LED display for each of 2 channels dual gas iTrans ERREUR SOURCE DU RENVOI INTROUVABLE sensor and sample display are shown in Figure 2 2 Figure 2 2 TheaTrams ERREUR SOURCE DU RENVOI INTROUVABLE Display Dual Gas Monitor Shown 2 4 Inputs Intrusive and Non Intrusive The iTrans ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor can be configured using intrusive and non intrusive means Both methods of configuration are accomplished through physical inputs that are visible behind the glass panel of the gas monitor A set of four keys are used when intrusive programming is appropriate 1 e when the enclosure can be removed and when the keys can be manually pressed These keys are the mode increment decrement and enter keys Refer to Figure 2 3 For applications that require non intrusive manipulation two magnetically activated reed switches are used to accomplish programming without removing the cover A magnetic wand is positioned over the appropriate reed
32. 20417 62027 Arras Cedex FRANCE Tel 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website http www oldhamgas com AMERICAS ASIA PACIFIC EUROPE Tel 1 713 559 9280 Tel 86 21 3127 6373 Tel 33 321 608 080 Fax 1 281 292 2860 Fax 86 21 3127 6365 Fax 33 321 608 000 americas oldhamgas com sales oldhamgas com info oldhamgas com
33. 4 1 5 8 B 1 troubleshooting ia 8 1 U U bolts m a TEE 3 1 3 2 UL Std No 1203 1 3 UL Std No 1604 cer e Ree 1 3 UL Std No 916 reser ire 1 3 user programmable relays 1 2 V vibrating SOULCES rennen 3 1 W wall mounting eene 3 1 3 2 warm up period essere 5 1 warning lights 1 1 Cicada 9 1 Wales Na E Ee NS 7 2 windowed top 4 1 4 12 5 8 oca re ee o edet etn 2 4 4 1 4 2 4 5 4 12 chassis ground 4 1 COlOES ceto Eton a E 4 1 INPUT SENSO csi eee ee RE REESE SHEER 4 1 Supply POWER isss iea te 4 1 terminals 4 3 4 4 wiring diagrams dual on board sensors 4 7 dual remote sensors 4 8 ModBus interface 4 9 remote Sensor enne 4 6 remote sensors back to iTrans 4 8 single On board sensor 4 5 WWW MOdbUS Org een 6 6 6 7 Z Zero tame ssa E 5 4 5 17 E EEEE A EE T 5 16 LOTO AIT nr EE E 5 6 zeroing 5 2 5 3 5 5 5 6 5 13 5 14 7 2 8 3 MEAE 6 2 two methods 5 3 HH P sumen OLDHAM The Fixed Gas Detection Experts EUROPEAN PLANT AND OFFICES 7 1 Est rue Orfila CS
34. B 2 Table B 1 Hexadecimal and Decimal Equivalents 0x00 000 0x20 032 0x40 064 0x60 096 0x80 128 0 160 0xC0 192 OxEO 224 0x01 001 0x21 033 0x41 065 0x61 097 0x81 129 OxA1 161 OxC1 193 OxE1 225 0x02 002 0x22 034 0x42 066 0x62 098 0x82 130 OxA2 162 OxC2 194 OxE2 226 0x03 003 0x23 035 0x43 067 0x63 099 0x83 131 OxA3 163 0 195 OxE3 227 0 04 004 0 24 036 0 44 068 0x64 100 0x84 132 0 4 164 0 4 196 0 4 228 0 05 005 0 25 037 0 45 069 0x65 101 0x85 133 OxA5 165 OxC5 197 0 5 229 0x06 006 0x26 038 0x46 070 0x66 102 0x86 134 OxA6 166 OxC6 198 OxE6 230 0x07 007 0x27 039 0x47 071 0x67 103 0 87 135 OxA7 167 0 7 199 OxE7 231 0x08 008 0x28 040 0x48 072 0x68 104 0x88 136 OxA8 168 0 8 200 OxE8 232 0x09 009 0x29 041 0x49 073 0x69 105 0x89 137 0 169 0 9 201 OxE9 233 OKOA 010 2 042 Ox4A 074 Ox6A 106 Ox8A 138 OxAA 170 OxCA 202 OxEA 234 0x0B 011 2 043 0x4B 075 Ox6B 107 Ox8B 139 OxAB 171 OxCB 203 OxEB 235 0x0C 012 0 2 044 0 4 076 Ox6C 108 0 8 140 OxAC 172 OxCC 204 236 0 00 013 0 20 045 0 4 077 Ox6D 109 0 8 141 OxAD 173 OxCD 205 OxED 237 OxOE 014 Ox2E 046 Ox4E 078 Ox6E 110 Ox8E 142 OxAE 174 OxCE 206 OxEE 238 OxOF 015 Ox2F 047 Ox4F 079 Ox6F 111 Ox8F 143
35. CE DU RENVOI INTROUVABLE wil go back to the Programming Mode 5 6 7 Set System Time Hour The system s clock hour setting is designated with an h in the status bit and current value next to it To change the hour press the 1 button during the 10 second countdown If you do not press 4 during the 10 second countdown the Trans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode you initiate the hours option the status bit will start to flash and the ifrans ERREUR SOURCE DU RENVOI INTROUVABLE hour can be changed by using T and L keys Figure 5 20 Setting System Time Hour When the desired value is reached press the J key If the value is not saved before the time out the ERREUR SOURCE DU RENVOI INTROUVABLE wili go back to the Programming Mode 5 6 8 Set System Time Day The system s day of the month setting is designated with d in the status bit and current value next to it change the day press the 21 button during the 10 second countdown If you do not press 1 during the 10 second countdown the frans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the P N 77023554 1 iTrans User Manual 5 13 Operation iTrans Fixed Point Single Dual Gas Monitor days option the status bit will start to Figure 5 21 Setting System Date flash and the aTrams ERREUR
36. FF Holds the decimal place holder and the gas type code The most significant byte MSB holds the number of decimal places to be used in calculations for this gas This decimal locator applies to all subsequent values of gas readings within other registers This 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 Carbon Monoxide 02 HS Hydrogen Sulfide 03 SO Sulfur Dioxide 04 NO Nitrogen Dioxide 05 Ch Chlorine 06 CIO Chlorine Dioxide 07 Hydrogen Cyanide 08 PH Phosphine 090 H Hydrogen 0C Nitric Oxide 00 NH Ammonia 0E HCl Hydrogen Chloride 14 O Oxygen 15 CH Methane 16 LEL Lower Explosive Limit Combustible Gases Examples 0107 1 decimal place for gas type 0002 0 decimal places for gas type H5S 0206 2 decimal places for CIO 6 4 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor ModBus Interface Addr Inst R W Host R W Range Description 40105 W R W 0000 to SFFFF Instrument Mode Holds code for current mode of instrument Possible working modes of instrument are listed below 0001 Normal 0002 Calibration 0003 Warm up 0006 Zeroing 0008 Fault 0009 Reset Examples Sensor in zero fault 0008 Sensor zeroing 0006 40106 0000 t
37. Trans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation Chapter OPERATION 5 1 Initial Start up Once power is applied 12 28 VDC the aWrams ERREUR SOURCE DU RENVOI INTROUVABLE is operational The LED display powers up and the system enters a start up period During this start up period the ERREUR SOURCE DU RENVOI INTROUVABLE identifies the sensors that are connected and then enters a three minute warm up period NOTE Upon initial power up broadband infrared BBIR sensors do not store or transmit the default values for Low Alarm High Alarm and 4 20 mA range to the ETrans ERREUR SOURCE DU RENVOI INTROUVABLE unit These values are set to zero and must be set following the procedures outlined later in this manual 5 2 Warm up Period During this warm up period the 4 20 mA outputs are limited to 3 mA 16 mA for oxygen After the three minute warm up the unit will enter L the Normal Operating Mode If during the warm up period the unit fails a self test the display will show a fault code and the fault relay will be activated Fault codes are located in Chapter 8 Figure 5 1 Sample Fault Code Display P N 77023554 1 iTrans User Manual 5 1 Operation iTrans Fixed Point Single Dual Gas Monitor 5 3 Normal Operating Mode In Normal Operating Mode the ITrams Erreur Source du renvoi introuvable gas monitor will display the instantaneous readings
38. U RENVOI INTROUVABLE unit The address can be set from 1 to 255 Use the DIP switches to set the binary representation of the desired address 1 is bit zero and 8 is bit 7 ON represents a 1 and OFF represents zero Refer to Appendix B for hex to decimal equivalents L Mp fa Ok PEUT R20 HERE Figure 4 10 Switch Bank for Setting ModBus Slave Address P N 77023554 1 iTrans User Manual 4 11 System Wiring iTrans Fixed Point Single Dual Gas Monitor Switch Settings ON 7 1 OFF 0 d 0 1 0 LSB 0x2 70 20x4 0 0 8 70 1 16 16 1x32 32 1 64 64 1 x128 128 MSB oo ae o c c ct a as ON DIP ar as lt lt gt ON 1 gt aT lt ZN z OF a ud OFF 0 M 2 3 4 5 6 7 8 e Least Most Significant Significant Bit LSB Bit MSB Figure 4 11 Setting the ModBus Address Example Address of 240 Decimal 4 6 3 Setting the ModBus Address for Stand Alone Sensors NOTE This section is only necessary if you are connecting a sensor directly to a ModBus controller PLC or digital system For stand alone sensor heads used in a ModBus network the address 1s set 1n the same manner Once the aluminum sensor head is removed with the sensor board the sensor electronics module is exposed On the back of the sensor electronics module is a small 8 position DIP switch The address can be set from 1 to 255 ina similar manner as setting the ModBus address on t
39. URCE DU RENVOI INTROUVABLE unit Placing the magnetic wand over the embedded reed switches located under the and CH2 designations see Figure 5 4 of the faceplate will allow you to scroll through menus and enter the desired function The functions available through non intrusive operation are as follows Sensor Type Zero Calibration Span Gas Value Span Reserve in this order NOTE Please see the Chapter 8 for a complete list of functions and function codes 5 4 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation 5 5 2 Sensor Type To enter non intrusive operation during the Normal Operating Mode place the magnetic wand over the CH1 designation iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will display the sensor type for channel 1 for 5 seconds then enter in the Zero Menu Figure 5 6 Sample Display Entering Non Intrusive Mode NOTE If you want to operate channel 2 place the magnetic wand on CH2 first to enter the setup menu Once non intrusive mode is entered placing the magnetic wand over CHI will allow scrolling through all of the functions that are available Once the desired function is reached 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 timer will appear 5 5 3 Zeroing Zeroing is the first option
40. USER MANUAL iTrans FIXED POINT SINGLE OR DUAL GAS MONITOR WITH DUAL ANALOG OUTPUTS Part Number 77023554 1 Version 15 0 Release Date May 19 2015 The Fixed Gas Detection Experts Copyright 2015 by Oldham S A S 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 Trans is a trademark of Oldham ModBusQ is a registered trademark of Schneider Automation Inc ModBus protocol is a trademark of Schneider Automation Inc 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 A 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 11 iTrans User Manual P N 77023554 1 Warnings and Cautionary Statements CAUTION Failure to perform certain procedures or note certain conditions may impair the performance of the monitor For maximum safety and performance please read and follow the procedures and conditions outlined below Oxygen deficient atmospheres may cause combustible gas readings that use catalytic LEL sensors to be lower than actual concentrations Oxygen enriched atmospheres may cause combu
41. ace for Alarm 485B PLC DCS Relay Low Fault Alarm Alarm Relay Relay Figure 2 4 Electronics Module for iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Main Unit All remote sensors that All remote sensors that leave ISC use this port for leave ISC use this port for and signal wires ack to the main unit sensor wiring gt CH1 1 CH2 Terminal Resistor 1 2 Valid 2 3 Invalid 2 t s g AJT o Spare interface Spare interface Figure 2 5 Electronics Board for Trans ERREUR SOURCE DU RENVOI INTROUVABLE Remote Sensor P N 77023554 1 iTrans User Manual 2 5 Hardware Overview 2 6 iTrans Fixed Point Single Dual Gas Monitor iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Installation Chapter INSTALLATION 3 1 Introduction The iTrans ERREUR SOURCE DU RENVOI INTROUVABLE can be mounted in one of two ways The unit can be wall mounted using the wall mounting holes in the enclosure or it can be mounted onto a column using U bolts Each of these options is discussed in this chapter sure to review the installation considerations before mounting the Frans ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor 3 2 Installation Considerations Regardless of the installation type wall mounting or column mounting the iTrams ERREUR SOURCE DU RENVOI INTROUVABLE should be installed at or near the location o
42. ans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Index GND ient ee RR HEP 1 s siente fe P D FREIE 5 9 green conductor ua erret 4 3 threshold netos 4 2 tret t DERE 4 3 4 9 8 2 1 LOW nine RE 7 1 Lower Explosive Limit LEL A 2 ence 2 M DSL EP 1 magnetic wand 1 1 2 3 5 2 5 3 5 4 5 5 5 6 heat generating sources 3 1 5 7 7 2 hexadecimal format 1 main electronics unit 2 1 high alarm 5 1 5 2 5 16 6 6 8 3 D 1 maintenance ed enero ERU 7 1 relay iacet Red 4 2 5 4 6 6 8 3 IOULIDe rr rere EIE 7 1 es SARS tee 5 10 Master sheets gn nn Rte Seles 6 1 threshold eR 4 2 message coding system 6 1 high pressure err 7 1 methane na bags A 1 higher power relay 4 2 Mod Bus 6 1 A 1 sag ied pints eae ees 4 9 address switch bank location 4 9 housing 1 5 2 1 4 5 4 12 7 2 baud Tate ose Ee TR 1 2 6 1 humidity 7 1 characteristics 6 1 Cup EE 1 2 commands ies 6 2 hydrogen 1 3 6 4 A 2 B 1 configuration neee 1 2 hydrogen chloride
43. arbon Monoxide CO 0 999 ppm in ppm increments Carbon Monoxide H Null CO 0 999 ppm in ppm increments Hydrogen Sulfide HS 0 500 ppm in 1 ppm increments Sulfur Dioxide SO 0 2 99 9 ppm in 0 1 ppm increments Hydrogen Cyanide 0 2 30 0 ppm in 0 1 ppm increments Hydrogen Chloride 0 2 30 0 ppm in 0 1 ppm increments Phosphine 0 1 00 ppm in 0 01 ppm increments Nitrogen Dioxide NO 0 2 99 9 ppm in 0 1 ppm increments Nitric Oxide NO 0 999 ppm in ppm increments Chlorine Cl 0 2 99 9 ppm in 0 1 ppm increments Chlorine Dioxide 0 02 1 00 ppm in 0 01 ppm increments 1 3 Agency Approvals The iTrams ERREUR SOURCE DU RENVOI INTROUWABLE is certified by CSA laboratory to the following US and Canadian Standards e UL Std No 916 Energy Management Equipment e UL Std No 1203 Explosion Proof and Dust Ignition Proof o Electrical Equipment for Use in Hazardous Classified Locations e UL Std No 1604 Division 2 Hazardous Location Electrical Equipment e ISA 512 13 Part I 2000 Performance Requirements Combustible Gas Detectors catalytic sensors only e CSA Std C22 2 No 30 M1986 Explosion Proof Enclosures for Use in Class I Hazardous Locations e CSA Std C22 2 No 142 M1987 Process Control Equipment 1 4 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Introduction e CSA Std C22 2 No 152 M1984 Combustible Gas Detection Instruments catalytic sensors
44. as Monitor 5 5 5 Changing Span Gas Concentration The option after calibration is Span Gas Concentration The span option is designated with a flashing S in the status bit with the current span value 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 CHI during the 10 second countdown the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the change span option the status bit will start to flash and the Trans ERREUR SOURCE DU RENVOI INTROUVABLE span value can now be changed Figure 5 11 Sample Span Gas Concentration Display CT The current span value is displayed on the top line of the LED display To increment the span value pass the M magnetic wand over CHI When the desired value is reached pass the magnetic wand over CH2 to accept and save changes Passing over CH1 Figure 5 12 Flashing Status Bit or letting the timer count down to zero without saving the new value will take you back into the Programming Mode NOTE Span Gas Concentration for combustibles can be set from 0 to 100 LEL For the sake of resolution the Span Gas Concentration should be set above 20 LEL 5 8 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation 5 5 6 Sensor Span Reserve The last option available is viewing the sensor span reserve Th
45. at on board relays should not be used to drive loads directly On board relays should be used to drive a secondary higher power relay which is connected to the control device e g strobe siren exhaust fan etc 4 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor System Wiring A MN Common PI Alarm j A EE lue Relay High Alarm Contact amp Low Common Alarm O 1 i5 Relay Low Alarm Contact 2 Fault Common 7 Alarm Er Relay Fault Alarm Contact 85 Figure 4 1 Alarm Relay Connectors J6 J5 and J1 4 4 Power and Output Wiring J1 Connect the Trams ERREUR SOURCE DU RENVOI INTROUVABLE power and signal wires to the appropriate wiring terminals 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 Power 24VDC A 24 V e amp Sensor 1 4 20mA Main Power 3 gt and Output CH 2 Sensor 2 4 20mA Signals 2 GND Figure 4 2 Power and Signal Connector J1 on the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE m Ground NOTE Use supplied green conductor for enclosure ground Public 485 GND is to be used for ModBus digital ground P N 77023554 1 iTrans User Manual 4 3 System Wiring iTrans Fixed Point Single Dual Gas Moni
46. e EFrans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the year option the status bit will start to flash and the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE year value can be changed by using the and keys Figure 5 23 Setting System Year When the desired value is reached press the J key If the value is not saved before the time out the ERREUR SOURCE DU RENVOI INTROUVABLE wili go back to the Programming Mode 5 6 11 Zeroing Zeroing is an option available both through the keypad and non intrusively A 0 is displayed in the status bit of the display to designate this function 10 second timer is displayed on the bottom line of the LED display To initiate zeroing press the Wl key during the 10 second countdown If you do not initiate zeroing during the 10 second countdown the Trans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate zeroing the status bit will start to flash Once zeroing is complete the unit will return to the Normal Operating Mode To abort zeroing at i i 24 le Zeroing Displ any time press the key Figure 5 24 Sample Zeroing Display P N 77023554 1 iTrans User Manual 5 15 Operation iTrans Fixed Point Single Dual Gas Monitor 5 6 12 Calibration The calibration option is also available through the keypad Calibration is designated with
47. e span reserve option is designated with an r jn the status bit The current span reserve is displayed on the top line of the LED display Figure 5 13 Sample 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 available These programming options include all of the functions available in the non intrusive mode as well as a few others These items are password protected enter the programming options press the Mode key The access code is Mode Up Down Up Enter Figure 5 14 Sample Code Entry Display Once the correct password has been entered the user will have to select a channel for programming But in case of wrong password or time out 10 second the display will revert back to Normal Operating Mode NOTE If display shows iNet confirm setting is 0 to ensure proper function of onboard relay NOTE Please see Chapter 8 for a complete list of functions and function codes P N 77023554 1 iTrans User Manual 5 9 Operation iTrans Fixed Point Single Dual Gas Monitor 5 6 2 Entering Programming Mode and Selecting a Channel On entering the correct password the channel selection screen will be displayed on the LED display Press the Mode button to switch between the available channels then press the J bu
48. ed for alarm Option activation while the third relay is a fault protection relay Calibration changing span gas concentration and checking the instrument s configuration are easily accomplished using the non intrusive magnetic wand P N 77023554 1 iTrans User Manual 1 1 Introduction iTrans Fixed Point Single Dual Gas Monitor The iTrans ERREUR SOURCE DU RENVOI INTROUVABLE is powered with a 24 VDC 12 28 VDC power supply and provides a 4 20 mA control signal for each sensor 1 2 Specifications Specifications for the Trans ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor are listed in Table 1 1 Table 1 1 Specifications for the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Monitor Item Description Enclosure Cast aluminum poly bonded coating or 316 stainless steel Both are explosion proof NEMA 4X IP66 rated Dimensions 5 0 x 6 0 x 5 0 inches 127 x 153 x 129 mm Combustible Gases Catalytic bead and or Non Dispersive Infrared Sensors NDIR Oxygen Toxic Gases Electrochemical diffusion Input Voltage 12 28 VDC operating range 24 VDC typical 350 mA nominal Maximum current draw of 600 mA with 2 LEL sensors installed Input Current Max Toxic Gas Oxygen 150 mA 24 VDC single gas Combustible Gases Catalytic 175 mA 24 VDC 0 6 A peak single gas Combustible Gases Infrared 150 mA 24 VDC 0 6 A peak single gas Combined Catalytic Infrared
49. eg 310 6812 AR Amhem The Netherlands Reference European Standards Rules of construction EN 60079 0 EN 60079 1 EN 60079 15 Category 126 Ex d IIB H T5 Tamb 40 C to 75 136 nA II T5 Tamb 40 C to 75 Production Quality Assurance Notification Number FM13ATEXQ0051 Issued by the Notified Body 1725 FM Approvals Ltd 1 Windsor Dials Windsor Berkshire UK SL4 1RS ll The European Directive EMC 89 336 CEE dated from 03 05 89 Electromagnetic Compatibilit Harmonised Applied Standard EN 50270 Type 2 Industrial Apparatus Arras 12 June 2013 Michael Mobley t ISO 9001 2008 Oldham S A S CERTIFI 38 Z L EST C S 20417 ss 62027 ARRAS Cedex FRANCE Tel 33 0 3 21 60 80 80 Certification Project Engineer www oldhamgas com CE ATEX iTrans B P N 77023554 1 iTrans User Manual E 1 Appendix E iTrans Fixed Point Single Dual Gas Monitor E 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Index INDEX Index Locator page numbers appear in regular type faces for standard index references e g 3 7 Boldface index references e g 3 3 correspond to information found in photos or illustrations Italic index references e g 3 3 correspond to information found in tables Numbers 120 Ohm terminating resistor sss 6 7 4 20 mA output s iii 1 1 1 2 4 3 5 1 5 11 5 16 8 1 8 2 8 3 C 1 C2
50. either the controller or remote sensors should be bonded to the enclosure screw located inside the Fr ms ERREUR SOURCE DU RENVOI INTROUVABLE IMPORTANT Use of this product in areas where it may be subject to large amounts of electromagnetic interference may affect the reliable operation of this device and should be avoided WARNING Supply wire with a minimum rating of 90 C must be used for interconnection to the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE NOTE For classified locations a poured wire seal must be installed within 18 inches of the main unit for both power entry and remote sensors NOTE Remove power from the ERREUR SOURCE DU RENVOI INTROUVABLE before making any wiring connections 4 3 Alarm Relay Wiring J1 J5 and J6 To connect the ERREUR SOURCE DU RENVOI INTROUVABLE control wires to the three relay terminals on the relay board wire the unit to the connectors shown in Figure 2 4 The low alarm relay is activated when the low alarm threshold is met This is a non latching Normally Open NO contact The high alarm relay is activated when the high alarm threshold is met This is a non latching Normally Open NO contact The fault alarm relay is activated upon power up of the iTrams ERREUR SOURCE DU RENVOI INTROUVABLE When the fault condition is met the circuit opens This is an Electronically closed NO contact See Figure 4 1 for relay wiring NOTE It is recommended th
51. es Table 8 3 Function Codes LED Display Function Code Status Das Aven Description Bit Low Alarm Set the relay low alarm value cC CC VE s a D The latest calibration time month The latest calibration time year P N 77023554 iTrans User Manual 8 3 Troubleshooting 8 4 iTrans Fixed Point Single Dual Gas Monitor iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Warranty Chapter WARRANTY 9 1 Warranty Oldham fixed system products are warranted to be free from defects in material and workmanship for a period of eighteen 18 months from the date of shipment or one 1 year from the date of first use whichever occurs first except where otherwise stated in writing in Oldham literature accompanying the product The above warranty does not include sensors pumps or filters all of which are warranted to be free from defects in material and workmanship for one year from the date of shipment except where otherwise stated in writing in Oldham literature accompanying the product In addition Oldham warrants the Infrared sensor used to monitor LEL Methane Propane to be free from defects in material and workmanship for a period of sixty six 66 months from the date of shipment or five 5 years from the date of first use whichever occurs first except where otherwise stated in writing in Oldham literature accompanying the product 9 2
52. f 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 points should also be considered IMPORTANT TheiaTrams ERREUR SOURCE DU RENVOI INTROUVABLE gas monitor must not be installed on vibrating or heat generating sources 3 3 Wall Mounting If your application is best addressed using a wall mounted gas monitor then use the four 8 mm mounting holes in the enclosure to secure the Trams ERREUR SOURCE DU RENVOI INTROUVABLE to an appropriate location on the wall Refer to Figure 3 1 3 4 Column Mounting If your application is best addressed using a column mounted gas monitor then use the four 8 mm mounting holes and two U bolts to secure the ERREUR SOURCE DU RENVOI INTROUVABLE to an appropriately located segment of a target pipe or conduit Refer to Figure 3 2 P N 77023554 1 iTrans User Manual 3 1 Installation iTrans Fixed Point Single Dual Gas Monitor Wall Figure 3 1 Mounting the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Gas Monitor on a Wall Column 5 12 M8 2 91 U Bolt up M8 3 66 U Bolt down 3 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Installation Figure 3 2 Mounting the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Gas Monitor on a Column Using U Bolts P N 77023554 1 iTrans
53. for each sensor wired into the unit The top of the ETrans Erreur Source du renvoi introuvable display shows the gas reading for Sensor 1 Sensor 1 should have the internal dip switches set to 00 hex or OF hex The bottom row of the Trans Erreur Source du renvoi introuvable display shows Figure 5 2 Sample Dual Sensor the gas reading for Sensor 2 Sensor 2 Display should have the internal dip switches set to FO hex As gas concentrations increase the respective channel s readings will respond accordingly If low or high alarm levels are exceeded an alarm indication will appear in the first digit pui of the display An indicates a low alarm while an H indicates a high alarm If a 4 20mA fault occurs either a P indicating an open loop or U indicating 4 20 over range will be present Figure 5 3 Sample Low and High Alarm Displays From the Normal Operating Mode the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE can enter into the program mode in one of two ways To enter the Program Mode without opening the enclosure pass over the embedded reed switch located under CH1 with the magnetic wand see Figure 5 4 This will enter you into the non intrusive program mode In this mode you can check sensor type zero the unit calibrate the unit change the span gas value and view sensor span With the enclosure top removed Program Mode can be entered using the MODE key The a
54. gle Dual Gas Monitor Symptom Problem Solution Reading drifts by 10 counts over a short time period in a stable temperature environment Sensor has failed Electronics module has failed Replace sensor and calibrate Replace electronics module and calibrate In calibration LED displays wrong value Sensor has failed Electronics module has failed Replace sensor and calibrate Replace electronics module and calibrate Reed Switch does 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 load resistor from the mA output pin to ground U appears on the display 4 20 mA signal is in over range Ensure the sensor is working properly and the 4 20 ma is scaled correctly 8 3 Fault Codes Table 8 2 Fault Codes Fault LED Status 4 20 mA Description Code Display Bit Output p OFFF 0 Flashing SUE Zeroing error Recover after calibrating CFFE C Pashia Iun Calibration Recover after calibrating or replacing the sensor 1 Flashing 1 mA SMART sensor error 2FFF 2 Flashing mA Sensor error 8 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Troubleshooting 8 4 Function Cod
55. he aWrams ERREUR SOURCE DU RENVOI INTROUVABLE except pin 8 on the sensor s 8 position DIP switch is the least significant bit and pin 1 is the most significant bit 4 12 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor System Wiring Figure 4 12 Location of Address DIP Switch on Sensor Electronics Module Switch Settings 1 128 128 MSB 1 64 64 1x32 32 21x16 216 0 8 0 0 4 0 0 2 0 0 1 0 LSB a gt a gt o D gt ST ON 1 29 283 A m Sz 10 OFF 0 js e e T Most Least Significant Significant Bit MSB Bit LSB Figure 4 13 Setting the ModBus Address for a Stand Alone Sensor P N 77023554 1 iTrans User Manual 4 13 System Wiring iTrans Fixed Point Single Dual Gas Monitor NOTE If adding a second sensor to an existing module set the ModBus address to which represents 11110000 binary and 240 decimal See 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 Frans ERREUR SOURCE DU RENVOI INTROUVABLE electronics module back in the housing by pressing the standoff banana jacks into the mating plugs Be careful not to pinch any of the wiring After the module is in place secure the windowed top back on the housing and power up the unit 4 14 i
56. he display will not show the actual concentration of gas applied it will display zero Once the calibration is complete the display will switch from zero to the actual concentration of gas applied The Span Gas Concentration is fixed at 5096 LEL and cannot be changed The typical zero time for the BBIR sensor is 3 minutes The typical calibration time for the BBIR sensor is 3 minutes After a calibration the span reserve for the BBIR sensor is not available to The BBIR sensor s digital address is set at the factory for Channel 1 Channel 2 operation OxFO This digital address e e e e the end user e operation OxOF or cannot be changed in the field 5 18 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation If you have any questions concerning the functionality of the BBIR sensor and the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE please contact Oldham at 1 713 559 9280 or americas oldhamgas com P N 77023554 1 iTrans User Manual 5 19 Operation iTrans Fixed Point Single Dual Gas Monitor 5 20 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor ModBus Interface Chapter MODBUS INTERFACE 6 1 Introduction When programming the ModBus ID address on the ERREUR SOURCE DU RENVOI INTROUVABLE electronics module or on the smart sensor board use the binary reference chart on the following page 1 represents ON
57. he toxic and catalytic LEL sensors should 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 calibration after a gas alarm calibration service to sensors should be recorded and accessible CAUTION For safety reasons this equipment must be operated and serviced by qualified personnel only iv iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Table of Contents Table of Contents CHAPTER 1 INTRODUCTION 1 1 Overview of the Trans Erreur Source du renvoi introuvable Gas Monitor 1 1 PS CIICAROINS beo I GR 1 1 13 Agency Approvals CSA snem u un a REA RM eie reni ein 1 3 1 4 Special Instructions for Safe Use EU enn 1 5 CHAPTER 2 HARDWARE OVERVIEW 2 1 Mam Electronics Unit Housing ss 2 1 0 2 2 23 2 3 2 4 Inputs Intrusive and HR REA RA ERR eA ehe eqs 2 3 2 Electronics Mod les a u Maret epee 2 4 CHAPTER 3 INSTALLATION Sulis IB S o au ne tie tint x ROR ER M M M M 3 1 3 2 Installation Considerations SRE US 3 1 mos Wali VIOuntiHg sos tea 3 1 34 gt Column Mount 3 1 CHAPTER 4 SYSTEM WIRING E E anun naa anna mam nas 4 1 42 Maris
58. ical diffusion 1 2 Gl A 1 electromagnetic compatibility 1 4 class I hazardous locations 1 3 electromagnetic 4 2 classified locations 4 2 electronics module 2 4 2 5 4 1 4 9 4 10 4 12 8 1 CIO A 1 8 2 clock settings eee 5 16 5 17 EMC Directive 89 336 1 4 closing elements sse 2 5 MISSIONS sia ere ieri ee chavs bo e ee di 3 1 90m A 1 EN 50014 AEE 1 4 column mounting eene 3 1 3 2 1 4 combustible gases eee 2 3 2 In Eo MN 1 4 COMMISSIONING essere enne 6 1 enclosure 1 2 2 3 3 1 5 2 common problems wea 8 1 san E 4 3 conduit Seal ree e PEE eee fosses 2 5 a a 4 4 4 7 configuration a us uusssssst 1 1 2 3 42 4 7 dual sensor eaa a E 4 3 4 4 Energy Management Equipment 1 3 Conformity Certificate EC Declaration 1 enter 2 3 CONNECTOTS le INE PERO EIS teen ete 2 4 European ATEX Directive 94 9 EC 1 4 control signal ie 1 1 excess moisture nennen 7 2 control Wire 4 1 4 2 countdown 5 5 5 6 5 7 5 9 5 10 5 11 5 12 5 13 explosion prool 1 2 1 3 5 14 5
59. lone NOTE When the remote sensor 1 at distances of 200 meters or further and the sensor is not communicating the jumper may need to be moved to terminals 1 2 P N 77023554 1 iTrans User Manual 4 7 System Wiring iTrans Fixed Point Single Dual Gas Monitor NOTE If using remote sensors and the Frans ERREURI SOURCE DU RENVOI INTROUVABLE does not recognize the sensor upon power up displays 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 and shielded cable Shielding from either the controller or remote sensors should be bonded to the enclosure screw located inside the ERREUR SOURCE DU RENVOI INTROUVABLE 4 8 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor System Wiring POWER 24 VDC GND SIGNAL CHANNEL 1 CHANNEL 2 PUBLIC 485 485 B 485 A GND WIRES FROM SENSOR 1 AND SENSOR 2 24 VDC RED 485A YELLOW 485B BLACK GND GREEN WI VA Figure 4 6 Wiring Diagram for Dual On board Sensors P N 77023554 1 iTrans User Manual 4 9 System Wiring iTrans Fixed Point Single Dual Gas Monitor REMOTE SENSOR MAIN BOAR IN ITRANS POWER DC24V SENSOR 1 4 20 SENSOR 2 4 20 GND GND GREEN GND 485 HIGH ALARM H GND RELAY 485 LOW ALARM FAULT ALARM
60. nings Unused openings shall be closed with suitable Ex d certified closing elements e Dual Onboard The adapter parts used to assemble dual onboard configurations do not have Atex approval Consult factory for dual onboard Atex options FRA P N 77023554 1 iTrans User Manual 1 7 Introduction iTrans Fixed Point Single Dual Gas Monitor 1 8 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Hardware Overview Chapter HARDWARE OVERVIEW 2 1 Main Electronics Unit Housing The aYrams ERREUR SOURCE DU RENVOI INTROUVABLE body is a cast aluminum housing that contains the electronics of the gas monitor Details of a single gas housing are shown in Figure 2 1 3 4 NPT NOTE Dimensions are in inches Figure 2 1 Details of a Single Gas iTrans ERREUR SOURCE DU RENVOI INTROUVABLE Gas Monitor P N 77023554 1 iTrans User Manual 2 1 Hardware Overview iTrans Fixed Point Single Dual Gas Monitor 2 2 Sensor Table 2 3 Sensor Specifications Descriptions Item Catalytic and Toxics Infrared BBIR Aluminum Anodized Explosion proof Class I Divisions 1 and 2 Groups B C D and Ex d IIB Stainless Steel cu H2 T5 ATEX and IECEx Ex d Explosion proof Class I Housing IICT6 Gb China Divisions 1 and 2 Groups B Material C D and Ex d IIB H2 T4 Aluminum Anodized w Gore Tex Europe Ex d T4 or Membrane Class I Division
61. o FFFF Status Bits Holds 16 bits of status for various parameters in the instrument bit value of 1 indicates that the associated fault condition is present Bit 15 current loop open Bit 14 current loop shorted Bit 13 power fault Bit 12 S volt fault Bit 11 missing sensor Bit 10 not defined Bit6 not defined Bit5 zero fault Bit4 calibration fault Bit3 over range Bit2 failed sensor Bit high alarm low alarm Examples Missing sensor 11 is set 0800 Power fault and failed sensor Bits 13 2 set 2004 40115 Last Alarm Date mmdd Holds the month and day when the instrument had the last alarm P N 77023554 1 iTrans User Manual 6 5 ModBus Interface iTrans Fixed Point Single Dual Gas Monitor Addr na eae Range Description High byte 01 to 0C Low byte 01 to 1F Examples Dec 25 is represented as 0C19 June 31 is represented as 061F 40116 W R Last Alarm Date 00yy Holds the last two digits of the year when the instrument was last in alarm The first two digits are assumed to be 20 High byte 00 Low byte 02 to 63 Examples 2002 is represented by 02 2099 is represented by 63 40117 R R W_ MSB 01 to 0C RTC Month and Day LSB 01 to 1F Holds the month and day to which the real time clock RTC calendar should be set The most significant byte MSB represents the month from
62. ontact the Technical Support group of Oldham at 1 713 559 9280 6 3 ModBus Register List ModBus register addresses are provided in Table 6 2 Table 6 2 ModBus Registers Addr us i Range Description 40101 R W RW MSB 01 to FF Sensor Type LSB 01 to F7 Holds the sensor instrument type code and ModBus address The most significant byte MSB holds a value indicating the type of instrument see below The least significant byte LSB holds a value which is the ModBus address of the sensor MSB Instrument type code 01 to FF 03 BBIR broad band infrared 04 TOX toxic 05 2 OXY oxygen 06 2 AAW toxic 07 CAT catalytic LSB MODBUS sensor address 01 to F7 1 to 247 6 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor ModBus Interface Addr s eae Range Description 40102 W R 0000 to FFFF Gas Reading Holds the gas reading in ppm or percent depending upon the sensor in the instrument The range is from 0000 to FFFF and represents a signed decimal value range from 32768 to 32767 Examples 5 ppm register value of 0000510 0005 5 ppm register value of 65531 0 FFFB P N 77023554 1 iTrans User Manual 6 3 ModBus Interface iTrans Fixed Point Single Dual Gas Monitor Addr s qa Range Description 40103 R R MSB 01 to FF Gas Type LSB 01 to
63. r Manual C 1 Appendix C C LEL Catalytic Plug In factory Pentane calibration D Carbon Monoxide Hydrogen Null CO H2 Hydrogen Chloride HCI G LEL Infrared Propane obsolete Phosphine PHs L Hydrogen He C 4 20 mA output scale for sensor 1 iTrans Fixed Point Single Dual Gas Monitor C LEL Catalytic Plug In factory Pentane calibration D Carbon Monoxide Hydrogen Null CO H2 Hydrogen Chloride HCI LEL Infrared Propane obsolete Phosphine PHs L Hydrogen H gt 4 20 mA output scale for sensor 2 0 0 999 0 0 999 1 0 500 1 0 500 2 0 100 2 0 100 3 0 50 3 0 50 4 0 30 4 0 30 5 0 10 5 0 10 6 0 2 6 0 2 7 0 1 7 0 1 8 0 20 8 0 20 9 0 200 9 0 200 D Optional On board Relays 0 No Relay Module 1 With Optional On board Relays C 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Appendix D FACTORY DEFAULT SETTINGS Appendix This appendix lists factory default ERREUR SOURCE DU RENVOI INTROUVABLE settings based on the individual sensor s used Refer to Table D 1 Table D 1 Factory Default Settings Default Default Sensor Name Range Resolution Cal Gas Low High Alarm Alarm CO 0 999 ppm 1 ppm 100ppm 35ppm 70ppm HS 0 500 ppm 1 ppm 25 ppm 10 ppm 20ppm SO 0 99 9 ppm 0 1 ppm 5 ppm 2 0ppm 4 0 ppm NO 0 99
64. racy 7 3 Zero and Calibration Zeroing and calibrating the instrument can be accomplished one of two ways These routines can be entered either from the keypad or non intrusively using the magnetic wand See Chapter 5 Operation for step by step procedures for zeroing and calibrating the Trans ERREUR SOURCE DU RENVOI INTROUVABLE using the magnetic wand Chapter 5 also contains information on keypad zeroing and calibration 7 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Troubleshooting Chapter TROUBLESHOOTING 8 1 Introduction This chapter provides troubleshooting information for the Frans ERREUR SOURCE DU RENVOI INTROUVABLE sas monitor 8 2 Diagnosing Common Problems Table 8 1 Common Problems Symptom Problem Solution Input voltage is too low LED display does not Check for presence of input light up Electronics module has voltage failed Unit in calibration mode Exit calibration mode Output outside 4 20 mA range Electronics module has Replace electronics module failed Output does not change when gas Electronics module has WA SAKA MADINA NA mcdia concentration failed changes Replace sensor and Sensor has failed calibrate Cannot calibrate SPAN Electronics module has failed Replace electronics module and calibrate P N 77023554 iTrans User Manual 8 1 Troubleshooting iTrans Fixed Point Sin
65. ring NOTE For dual sensor configurations place both of the same colored wires in the appropriate terminal block and firmly tighten NOTE Use 18 AWG shielded cable for remote sensors Maximum distance 15 200 meters BBIR maximum distance 1 300 feet with 18 AWG wire NOTE When wiring remote sensors to the SFransS ERREUR SOURCE DU RENVOI INTROUVABLE 485 B on J3 should be connected to in the remote sensor enclosure and 485 A on J3 should be connected to in the remote sensor enclosure NOTE For remote or standalone sensors there are four terminal blocks located in the remote sensor housing These terminal blocks are all tied together and follow the same wiring scheme mentioned above P N 77023554 1 iTrans User Manual 4 5 System Wiring iTrans Fixed Point Single Dual Gas Monitor CONNECTORS AND CONDUIT SUITABLE FOR LOCATION SHOWN FOR REFERENCE ONLY POWER 24 VDC GND SIGNAL CHANNEL 1 PUBLIC 485 485 B 485 A GND 24 VDC RED 485A YELLOW 485B BLACK GND GREEN Figure 4 4 Wiring Diagram for a Single On board Sensor 4 6 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor System Wiring RED YELLOW BLACK GREEN CONNECTORS AND CONDUIT SUITABLE FOR LOCATION SHOWN FOR REFERENCE ONLY 24 VDC RED 485 A YELLOW 1 485 B BLACK 99 GND GREEN Figure 4 5 Wiring Diagram for a Remote Sensor Stand A
66. ring the 10 second countdown the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the 4 20 mA range option the status bit will start to flash and the ETrans ERREUR SOURCE DU RENVOI INTROUVABLE range setpoint can be changed by using the T and 4 keys When the desired value is reached press the 2 key If the value is not saved before the time out the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will go back to the Programming Mode 5 6 6 Set System Time Minute The system s clock minute setting is designated with a 1 in the status bit and current value next to it To change the minutes press the J button during the 10 second countdown If you do not press 1 during the 10 second countdown the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the minutes option the status bit will start to flash and the iTrans ERREUR SOURCE DU 5 12 iTrans User Manual iTrans Fixed Point Single Dual Gas Monitor Figure 5 18 Changing the Analog Output Upper Value Figure 5 19 Setting System Time Minutes P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation RENVOI INTROUVABLE minute can be changed by using the T and keys When the desired value is reached press the 1 key If the value 15 not saved before the time out the Trans ERREUR 1 SOUR
67. sed the new span value will not be saved NOTE Span Gas Concentration for combustibles can be set from 0 to 100 LEL For the sake of resolution we suggest that Span Gas Concentration should be set above 2096 LEL P N 77023554 1 iTrans User Manual 5 17 Operation 5 6 14 Sensor Span Reserve The span reserve option is designated with an in the status bit The current span reserve is displayed on the top line of the LED display NOTE There are a few other options that appear that do not have any function associated with them These iTrans Fixed Point Single Dual Gas Monitor are reserved for future functionality Figure 5 28 Sample Span Reserve Display 5 7 Special Notes on Using Broadband Infrared BBIR Sensors The broadband infrared sensor currently used with the Trans ERREUR SOURCE DU RENVOI INTROUVABLE sas monitor does not fully support or follow all of the functionality or procedures listed within this manual Differences between the functionality of the sensor and the iTrams ERREUR SOURCE DU RENVOI INTROUVABLE operation explained in this manual are as follows There is no real time clock in the BBIR sensor When looking at the clock settings they will be displayed as time and date of initial test If you set these values they will not increment Low alarm high alarm and 4 20 mA range are factory pre set to 10 20 and 100 respectively When calibrating the BBIR sensor t
68. stible gas readings that use catalytic LEL sensors to be higher than actual concentrations Calibrate the catalytic combustible gas sensor after each incident where the combustible gas content causes the instrument to enter in the OVER RANGE alarm condition Silicone compound vapors may affect the catalytic 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 the instrument before continued use to ensure accurate measurements Sensor openings must be kept clean Obstruction of the sensor openings may cause readings to be lower than actual gas concentrations Sudden changes in atmospheric pressure may cause temporary fluctuations in the oxygen readings Alarms relays are non latching When connecting 4 20 mA outputs to inductive loads Oldham recommends using an isolation barrier in line with the 4 20 mA signal Interior grounding terminal is to be used for grounding the exterior terminal is only to be used for bonding iTrans Stand Alone versions with on board visible alarm are to be installed in ordinary locations only however remote sensors can be installed in hazardous locations Gas dependent Read Agency Approvals paragraph P N 77023554 1 iTrans User Manual ili CALIBRATION ALERT Gas detection instruments are potential life saving devices Recognizing this fact calibration for t
69. t Single Dual Gas Monitor Abbr Definition H2 hydrogen H2S hydrogen sulfide HCI hydrogen chloride HCN hydrogen cyanide LED light emitting diode LEL lower explosive limit combustible gases LSB least significant bit mA milliampere mm millimeter MSB most significant bit NC normally closed NDIR non dispersive infrared NEMA National Electrical Manufacturers Association ammonia NO normally open Nitric Oxide NO5 nitrogen dioxide NOR normal mode NRTL nationally recognized testing laboratory phosphine PLC programmable logic controller ppm parts per million REST restart RH relative humidity RTC real time clock RTU remote terminal unit 02 sulfur dioxide SPST single pole single throw TOX toxic V Volts A 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Appendix B Appendix DECIMAL BINARY AND HEXADECIMAL EQUIVALENTS This appendix lists the hexadecimal and binary equivalents of decimal numbers ModBus device addresses are entered in hexadecimal format This table provides a cross reference if only decimal addresses are known Hexadecimal numbers are shown in 0x00 format on the left Decimal equivalents are shown on the right Refer to Table B 1 Decimal and binary equivalents are shown in Table
70. t is designated with an displayed in the status bit and the current high alarm value displayed next to it To change the high alarm setpoint press the J button during the 10 second countdown If you do not press J during the 10 second countdown the aYrams ERREUR SOURCE DU RENVOI INTROUVABLE will return to the Normal Operating Mode If you initiate the high alarm option the status bit will start to flash and the aWrams ERREUR SOURCE DU RENVOI INTROUVABLE hich alarm setpoint can be changed by using the and keys When the desired value is reached press the key to accept and save the new value If the value is not saved before the time out the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE will go back to the Programming Mode 5 6 5 4 20 mA Analog Output Range The range of 4 20 mA analog output is set to full range as factory default For full range values see Appendix D If the user desires to change the output scaling of the 4 20 mA analog signal they can do so Figure 5 17 Sample High Alarm Setpoint Display NOTE Only the upper end range can be changed The low end is always set for 4 mA P N 77023554 1 iTrans User Manual 5 11 Operation The 4 20 mA setpoint is designated with a 4 displayed in status bit and the current high end range next to it To change the range press the 1 button during 10 second countdown If you do not press 4 du
71. tor NOTE TheiTrams ERREUR SOURCE DU RENVOI INTROUVABLE is a 3 or 4 wire 4 20 mA device For dual sensor configuration you must have a second 4 20 mA signal wire pulled to the unit NOTE When not using 4 20 mA outputs use the supplied resistors to connect CH 1 and CH 2 to GND If these resistors are not connected and the 4 20 mA outputs are not used a will appear on the display indicating an open loop condition 4 5 Sensor Wiring J3 Connect the Frans ERREUR SOURCE DU RENVOI INTROUVABLE sensor wires for on board remote or stand alone to the appropriate wiring terminals 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 Black wire on BBIR NOTE Shielding from either the controller or remote sensors should be bonded to the enclosure screw located inside the iTrmms ERREURI SOURCE DU RENVOI INTROUVABLE NOTE The 24 V terminal supplies 24 VDC to the sensor for power This terminal should not be connected to the output of a 24 VDC power supply Digital Interface and Power for Sensors 24VDC 485 485A S 485 B 485 B 9 Ground GND Y Figure 4 3 Sensor Connector J3 on the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE 4 4 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor System Wi
72. tton to confirm the channel selection Once a channel is selected the gas type for that sensor is displayed on the top row of the LED display for 5 7 second After that the LED display wil show the list of available functions Use the arrow keys to scroll through the list of functions available Figure 5 15 Sample Channel Selection Display NOTE If you have a dual sensor unit use the Mode button to switch between the channel 5 6 3 Set Low Alarm The low alarm setpoint is designated with an L displayed in the status bit and current low alarm value displayed next to it To change the low alarm setpoint press the 1 button during the 10 second countdown If you do not press J during the 10 second countdown the sFrans ERREUR SOURCE DU RENVOI INTROUVABLE wili return to the Normal Operating Mode If you initiate the low alarm option the status bit will start to flash and the iTrans ERREUR SOURCE DU RENVOI INTROUVABLE low alarm setpoint can be changed by Figure 5 16 Sample Low Alarm Setpoint Display using the T and L keys When the desired value is reached press the 1 key to accept and save the new value If the value is not saved before the time out the 5 10 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation sTrans ERREUR SOURCE DU RENVOI INTROUVABLE will go back to the Programming Mode 5 6 4 Set High Alarm The high alarm setpoin
73. umper is not in place Oldham does not recommend changing the placement of any of the other jumpers on this board ae Figure 6 1 Location of Jumpers 6 8 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor ModBus Interface P N 77023554 1 iTrans User Manual 6 9 iTrans Fixed Point Single Dual Gas Monitor Maintenance Chapter MAINTENANCE 7 1 Introduction Sensors have a variable life dependent on the sensor and the environment in which they operate Oxygen sensor life is about 2 years and toxic gas sensor life is normally 2 years or greater The catalytic combustible gas sensors normally operate in excess of 3 years while the infrared sensor carries a 5 year warranty with an anticipated life of 7 or more years Sensors have baseline drift and their characteristics change with time Thus the iTramns ERREUR SOURCE DU RENVOI INTROUVABLE must be calibrated on a regular basis Gas detection instruments are potential life saving 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 with functional tests every 6 months Further Oldham recommends prudent testing and or calibration after a gas alarm calibration service to the sensors should be recorded and accessible NOTE Other than regular calibrations the ERREUR SOURCE DU
74. vailable functions are listed in Chapter 8 Troubleshooting 5 2 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor Operation Reed Switch CH1 Trans Reed Switch CH2 LED Display MODE Key Key Key Enter Key Figure 5 4 Locations of Reed Switches and Push Buttons 5 4 Programming Mode Overview NOTE Zeroing and calibrating the instrument can be accomplished one of two ways via programming mode Zeroing and calibrating as well as other programming options can be entered 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 magnetic wand or keypad operation the top line of the main display area shows a status bit and three data bits The bottom line of the display shows the timers see Figure 5 5 The decimals on the far right of each line of the display are channel indicators The top decimal indicates channel 1 is being programmed and the bottom decimal indicates channel 2 P N 77023554 1 iTrans User Manual 5 3 Operation iTrans Fixed Point Single Dual Gas Monitor State Bit c Channel Indicator Time Display Area Figure 5 5 Components of the Display 5 5 Programming Mode Non intrusive Operation 5 5 1 Introduction Non intrusive calibration and programming is accomplished using a magnetic wand that comes with the ERREUR SO
75. waki ies A wae ls nl oe eo ln ne 4 1 4 3 Alarm Relay Wiring J1 J5 and J6 eene eene enne nnne 4 2 44 Power and Output Wiring J1 4 3 4 5 Sensor Wirig 15 eee RD dut esae 4 4 4 6 Digital ModBus RTU Interface Wiring J1 4 9 4 6 1 ModBus Interface Wiring 1 des etes edee steep redo tene vos deep wwa 4 9 4 6 2 Setting the ModBus Address on Erreur Source du renvoi pr ep 4 9 4 6 3 Setting the ModBus Address for Stand Alone Sensors 4 10 47 Wiring Dee NERO NON ONE 4 12 CHAPTER 5 OPERATION mial Stant qhu as 5 1 So lt maa a eel E IMEEM IEEE 5 1 53 Normal Operating MOS a b ee bs iuit 5 2 5 4 Programming Mode OVEEVIB We sese tert smic nan 5 3 5 5 Programming Mode Non intrusive Operation 5 4 5 5 1 5 4 TE VDO A 5 5 RUE ae 5 5 9 59 92 ata edt ERA KE WAPE ERA KE IR n 5 6 5 5 5 Changing Span Cras Concentration use ce ure ER Ra 5 7 OS SensorSpam SEV 5 8 5 6 Programming Mode Push Button Operation 5 8 3 0 1 na i LM sheng 5 8 5 6 2 Entering Programming Mode and Selecting a Channel 5 9 P N
76. will calibrate the unit will enter the zeroing process Please make sure that you apply Zero Air to the instrument while it is zeroing 5 6 iTrans User Manual P N 77023554 1 iTrans Fixed Point Single Dual Gas Monitor The aTrams ERREUR SOURCE DU RENVOI INTROUVABLE will automatically zero before calibration Zeroing is designated with a flashing 0 in the status bit Once zeroing is complete the Trams ERREUR SOURCE DU RENVOI INTROUVABLE will automatically enter the calibration routine Calibration is designated with a flashing in the status bit After zeroing finishes the Trans ERREUR SOURCE DU RENVOI INTROUVABLE is ready to calibrate When the flashing appears on the display apply calibration gas As the aTrams ERREUR SOURCE DU RENVOI INTROUVABLE responds to the gas the current reading will be displayed on the top line of the LED display To abort calibration at any time place the magnetic wand over CHI NOTE Check and verify span setting before starting a calibration NOTE See Appendix D for a complete list of factory default span gases NOTE Flow rate for calibration is 0 5 liter per minute LPM except for CL NO SO and HCI which require 1 0 LPM P N 77023554 1 iTrans User Manual Operation 1 LI Figure 5 9 Sample Zeroing Display Figure 5 10 Apply CalGas Display 5 7 Operation iTrans Fixed Point Single Dual G
77. y device sss 2 5 calibration1 1 5 4 5 6 5 7 5 14 5 17 6 4 6 6 7 1 7 2 8 1 8 2 A 3 B 1 en As es ieee 5 6 Index iTrans Fixed Point Single Dual Gas Monitor after alarms sc siete tesi ep iii Directive 72 23 EEC 1 4 BBIR sensor 5 16 Directive 92 31 EEC 1 4 a poer eH 5 6 5 15 Directive 93 68 EEC 1 4 frequency n nitet rper lil Directive AE ii sana skak as 1 4 Span Setting una 5 6 5 15 display 2 2 3 5 1 5 2 5 3 5 5 5 6 5 13 5 14 5 HINO asas manu aa 5 17 16 6 6 8 2 A 1 BBIR iut 5 16 specifications o eicit etre PD 1 2 zeroing before sise esse 5 14 Distributed Control System DCS 1 carbon monoxide 1 3 6 4 A 1 B 1 driving loads from relays 4 2 catalytic combustible gas sensors 11 2 2 B 1 dual senSor err 4 4 4 12 5 9 CHG ueniens HA 1 dust ignition proof a 1 3 change spats a s rer neret 5 15 e x e 5 7 E channel Indicators 5 3 5 4 EC Declaration of Conformity Certificate E 1 chlorine eene 1 3 6 4 A 1 B 1 electrical risks 1 4 chlorine dioxide ee 1 3 6 4 1 electrochem
78. y will activate 40126 R R W 0000to 03E8 Cal Gas Value Holds the value of the calibration gas to be used on the instrument The range is from 0000 to 03 8 0 to 100015 40127 RW 0000 to FFFF Loop High Scaling Holds a value which indicates the gas reading represented by a 20 mA loop output signal The range is from 0000 to SFFFF 440102 R 0000 to FFFF WX Scaled Reading Use with WX series controller NOTE To get the ModBus reading register 40103 must be read as well as register 40102 Register 40103 specifies where the decimal should be placed 6 4 ModBus Resources ModBus is a public protocol that can be freely adopted by any developer or manufacturer desiring to implement it While a detailed discussion of ModBus protocol is beyond the scope of this manual there are a number of up to date resources available on the internet for those wishing to investigate ModBus further The most complete resource is www modbus org P N 77023554 1 iTrans User Manual 6 7 ModBus Interface iTrans Fixed Point Single Dual Gas Monitor 6 5 Termination When putting devices on the ModBus network a terminating resistor may be required for the last device on the network please see www modbus org for more details TheaTrams ERREUR SOURCE DU RENVOI INTROUVABLE has a blue jumper on the public jumper that can be used to jumper in a 120 Ohm terminating resistor By default this j

iTrans_rev 15.0_EN (77023554-1)

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