background image

Appendix B 

  iTrans Fixed Point Single/Dual Gas Monitor 

B-2 

iTrans User Manual

 

 (P/N: 77023554-1) 

Table B-2.  Decimal and Binary Equivalents 

Dec 

Binary 

Dec 

Binary 

Dec 

Binary 

Dec 

Binary 

00000000 

64 

01000000 

128 

10000000 

192 

11000000 

00000001 

65 

01000001 

129 

10000001 

193 

11000001 

00000010 

66 

01000010 

130 

10000010 

194 

11000010 

00000011 

67 

01000011 

131 

10000011 

195 

11000011 

00000100 

68 

01000100 

132 

10000100 

196 

11000100 

00000101 

69 

01000101 

133 

10000101 

197 

11000101 

00000110 

70 

01000110 

134 

10000110 

198 

11000110 

00000111 

71 

01000111 

135 

10000111 

199 

11000111 

00001000 

72 

01001000 

136 

10001000 

200 

11001000 

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 

00010011 

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 

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 

  

  

Summary of Contents for iTrans

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

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

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

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

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

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

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

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

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

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

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

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

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

Page 14: ......

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Page 36: ......

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Page 86: ......

Page 87: ......

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

Reviews: