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Environmental Specifications

TM 799200, Rev. (4), April 2017

Environmental Specifications

4.4

The SafEye system is designed to withstand harsh environmental conditions.
The source and detector units compensate for adverse conditions while
maintaining accuracy.

4.4.1

High Temperature

Designed to meet MIL-STD-810C, Method 501.1 Procedure II

Operating Temperature:

+131ºF/+55ºC

Storage Temperature:

+149ºF/+65ºC

4.4.2

Low Temperature

Designed to meet MIL-STD-810C, Method 502.1, Procedure I

Operating Temperature:

-4ºF/-20ºC

Storage Temperature:

-40ºF/-40 ºC

4.4.3

Humidity

The SafEye system is designed to meet MIL-STD-810C, Method 507.1,
Procedure IV: Relative humidity of up to 95% for the operational
temperature range.

4.4.4

Salt and Fog

The SafEye system is designed to meet MIL-STD-810C, Method 509.1,
Procedure I: Exposure to a 5% salt solution for 48 hours.

4.4.5

Water and Dust



IP67 per EN60529



IP66 per EN60529

Dust:

Completely protected against dust.

Liquids:

Protected against immersion between
15cm and 1m in depth. Protected

against water jets from all directions.

Summary of Contents for SafEye Xenon 700S

Page 1: ...n System User Guide IECEx Approved Ex d e ia ia Ga IIC T5 Gb Document Ref TM 799200 Rev 4 April 2017 8200 Market Blvd Chanhassen MN 55317 USA Phone 1 973 239 8398 Fax 1 973 239 7614 Website www spectrex net Email spectrex spectrex net ...

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Page 3: ... reserves the right to make changes to any products described herein to improve reliability function or design and reserves the right to revise this document and make changes from time to time in content hereof with no obligation to notify any persons of revisions or changes Rosemount does not assume any liability arising out of the application or any use of any product or circuit described herein...

Page 4: ...History Prepared by Approved by 1 June 2011 First Release Ian Buchanan Eric Zinn 2 August 2013 Second Release Ian Buchanan Eric Zinn 3 January 2014 Third Release Ian Buchanan Eric Zinn 4 April 2017 Fourth Release Jay Cooley Shaul Serero ...

Page 5: ...lications 18 2 3 Principles of Operation 18 2 3 1 Definitions of Terms 18 2 3 2 Spectral Finger Print 19 2 3 3 Optical Path 19 2 3 4 Microprocessor Based 19 2 3 5 Gas Sensitivity 19 2 3 6 Gas and Mixture Selection and Setting 20 2 3 7 Flash Source 20 2 3 8 Heated Optics 21 2 3 9 HART Protocol 21 2 3 10 Modbus RS 485 21 2 3 11 Tilt Mount 22 2 4 Product Marking 22 2 5 Models and Types 22 2 6 Descrip...

Page 6: ...485 Interface 32 3 3 System Setup 33 3 3 1 Detection Function Programming 33 3 3 2 Detection Setup Function 33 3 3 3 Default Detector Setup 35 4 Technical Specifications 37 4 1 General Specifications 37 4 2 Electrical Specifications 38 4 2 1 Power Consumption 38 4 2 2 Electrical Input Protection 38 4 2 3 Electrical Interface 38 4 2 4 Electrical Outputs 39 4 3 Mechanical Specifications 40 4 4 Envir...

Page 7: ...d Detector 44 5 2 5 Tips for Selecting a Gas Detector Location 45 5 3 Preparations for Installation 45 5 3 1 Preparing for Installation 46 5 4 Conduit Cable Installation 46 5 5 Detector Source Mounting 46 5 5 1 Tilt Kit 47 5 5 2 Detector Source Installation 47 5 6 Detector Wiring 48 5 7 Detector Terminal Wiring 52 5 8 Flash Source Wiring 53 5 8 1 Wiring 53 5 8 2 Terminal Wiring 53 6 Operating Inst...

Page 8: ... 8 Troubleshooting 63 8 1 Troubleshooting Problems 63 Appendix A Wire Selection Tables 65 A 1 General Instructions for Electrical Wiring 65 Appendix B Wiring Option Configurations 67 B 1 RS 485 Communications Network 71 Appendix C Accessories 73 C 1 Tilt Mount 73 C 2 Pole Mount U Bolt 4 5 73 C 3 Pole Mount U Bolt 2 3 73 C 4 Wall Mount 73 C 5 HART Handheld Diagnostic Unit 74 C 6 USB RS 485 Harness ...

Page 9: ...ety Relevant Parameters 77 D 2 Guidelines for Configuration Installation Operation and Maintenance 77 D 2 1 Conditions for Safe Operation 77 D 2 2 Alarm Operation Using the 0 20mA Signal Current 78 D 2 3 Relay Outputs 78 D 3 Miscellaneous 78 Technical Support 80 ...

Page 10: ...ved 51 Figure 7 Source with Cover Removed 54 Figure 8 Magnetic Mode Selector 59 Figure 9 Wiring Option 1 67 Figure 10 Wiring Option 2 68 Figure 11 Wiring Option 3 Default 69 Figure 12 0 20mA Wiring Sink For Wiring Options 1 and 3 69 Figure 13 0 20mA Wiring Source For Wiring Options 1 and 3 70 Figure 14 0 20mA 3 Wire Connection for Options 1 and 3 70 Figure 15 RS 485 Networking for Wiring Option 3 ...

Page 11: ...up 35 Table 10 Source Default Setup 36 Table 11 Detection Distance Range 37 Table 12 Detector and Source Maximum Power Consumption 38 Table 13 Dry Contact Relays 39 Table 14 Tilt Mount Kit 47 Table 15 Tilt Mount Description 49 Table 16 Detector and Tilt Mount Assembly Description 50 Table 17 Detector with Cover Removed Description 51 Table 18 Wiring Options 52 Table 19 Source with Cover Removed De...

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Page 13: ...describes the detector s electrical mechanical and environmental specifications Chapter 5 Installation Instructions describes how to install the detector including wiring and mode settings Chapter 6 Operating Instructions describes the operating instructions and power up procedures Chapter 7 Maintenance Instructions describes the maintenance and support procedures Chapter 8 Troubleshooting describ...

Page 14: ...ational Electrotechnical Commission Explosion IPA Isopropyl Alcohol IR Infrared JP5 Jet Fuel Latched Refers to relays remaining in the ON state even after the ON condition has been removed LED Light Emitting Diode LPG Liquefied Petroleum Gas mA Milliamps 0 001 amps MODBUS Master slave messaging structure N C Normally Closed N O Normally Open N A Not Applicable NFPA National Fire Protection Associa...

Page 15: ...now and condensation conditions The programmable functions are available through an RS 485 port used with host software supplied by SPECTREX and a standard PC or an I S handheld unit The SafEye Source and Detector unit enclosures are IECEx certified Exd flameproof with an integral segregated rear an Exe terminal compartment which avoids exposure of the sensors and electronics to surrounding enviro...

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Page 17: ...ar blind and immune to industrial environments Withstands extreme vibrations Interfaces with most commonly used control panels Standard 0 20mA and dry contact relay outputs HART Protocol Communication Protocol see HART Protocol page 21 RS 485 Output Modbus compatible for PC Communications Network for a maximum of 247 systems Simple one person installation alignment and calibration IECEx approved p...

Page 18: ...fshore Floating Production Storage and Shipping vessels FPSO and fixed oil rigs Principles of Operation 2 3 The SafEye Xenon system detects gases through dual spectral range monitoring analyzing the absorption of radiation caused by gases in the atmosphere and comparing the ratio to background atmospheric absorption 2 3 1 Definitions of Terms The following list defines the gas concentration measur...

Page 19: ... compensates for environmental disturbances such as fog and rain through a constant comparison with its dual spectral beam 2 3 4 Microprocessor Based The incoming signals are analyzed by the built in microprocessor A sophisticated mathematical algorithm calculates between the various functions of the detected signal thresholds Statistics ratio algorithms data communications diagnostics and other f...

Page 20: ...to be used in all cases where methane concentration in the mixture does not exceed 98 It can also be used for pure ethane applications Gas 3 LPG 60 propane and 40 butane Gas 4 99 methane and 1 propane and is for use in detecting a methane mixture with heavier gases where the methane component can vary between 100 and 95 It is also good for protecting areas where a leak can be either pure methane o...

Page 21: ... from 32 F 0 C 122 F 50 C The heating stops when the temperature is 27 F 15 C above the start temperature 2 3 9 HART Protocol The Xenon 700S uses the HART Protocol HART communication is a bi directional industrial field communication protocol used to communicate between intelligent field instruments and host systems HART is the global standard for smart instrumentation and the majority of smart fi...

Page 22: ... 40 C to 55 C This product is suitable for use in hazardous zones 1 and 2 with IIC gas group vapors present Models and Types 2 5 The 700S series offers 2 groups of detected gases Models 701S 702S and 703S used for methane LPG and gases mixture for most offshore and onshore applications Models 721S 722S and 723S used for ethylene only Table 3 describes the installation distances for each of the 700...

Page 23: ... Option 1 Power alarm relay fault relay 0 20mA Option 2 Power alarm relay fault relay accessory relay Option 3 Power alarm relay RS 485 0 20mA RS 485 RTN default Note SIL2 covers only 0 20mA outputs The wiring option is set at the factory and cannot be changed at the customer facility ...

Page 24: ...Models and Types 24 SafEyeTM Xenon 700S Gas Detector User Guide Figure 1 Wiring Options ...

Page 25: ...e of 2 pulses per second The pulse width 5 10msec is very powerful The front of the source unit has a coated lens that collimates the IR beam for maximum intensity The coated lens blocks all the UV and visible lights from passing through the lens and prevents the flash pulse being visible to the eye The lens is heated to improve performance in ice condensation and snow conditions There are 2 sourc...

Page 26: ...26 SafEyeTM Xenon 700S Gas Detector User Guide 1 Main Housing 6 Telescope Site 2 Junction Box 7 N A 3 Back Cover 8 Earth Terminal 4 Cable Inlet 9 Front Window Lens Section 5 Holding Plate Figure 2 Flash Source Unit ...

Page 27: ...icroprocessor will compensate for them This allows the signals to be maintained even in severe weather conditions The data is sent to the output interface section The signals can be sent to a standard control panel or to a central computer The front window of the detector is heated to improve performance in ice condensation and snow conditions Table 4 describes the detector types and their ranges ...

Page 28: ...M Xenon 700S Gas Detector User Guide 1 Main Housing 6 Telescope Site 2 Junction Box 7 Handheld Fast Connection 3 Back Cover 8 Earth Terminal 4 Cable Inlet 9 Front Window Window Section 5 Holding Plate Figure 3 Detector Unit ...

Page 29: ...ignal received from gas detection is at safe levels Warning W Gases have been detected at warning levels Alarm A Gases have been detected at alarm levels Note For the standard 0 20mA output the warning and alarm levels are not relevant The user chooses these alarm levels at the controller The output detector will be 4mA at zero reading and 20mA for full scale reading Warning and alarm states are r...

Page 30: ...lved This is a delay of 60sec after the fault before switching to this mode This delay is important to eliminate momentary obscuration due to passing through the beam Low Voltage Fault 0mA output Detection is disabled due to low voltage being supplied to the detector The detector returns to proper operation only when proper voltage level restored Fault 2 0mA output Detection is disabled due to ele...

Page 31: ... detector mode or the warning or alarm signal at a defined gas concentration see Table 2 This can be defined by maintenance host or handheld unit The 0 20mA functions as current sink but can be configured as source see Wiring Option Configurations page 67 The maximum permitted load resistance for the 0 20mA output is 600Ω Table 5 Standard Default 0 20mA Current for the Gas Channel Current Reading ...

Page 32: ...on 3 2 2 Dry Contact Relays The detector may include up to 3 of the following relays depending on the wiring configuration Fault relay Alarm relay Accessory relay Alarm and accessory relays are normally non energized open When the detector is in alarm or warning status the appropriate relay is closed Fault relay is normally energized closed and when it is in the fault condition the relay is opened...

Page 33: ...ns Host software with harness USB RS 485 converter refer to Manual TM 899050 for programming instructions 3 3 2 Detection Setup Function For the default settings see Default Detector Setup page 35 3 3 2 1 Gas Calibration Four gas types can be selected for maximum compatibility with the required measured gas es Gas Types for Models 701S 702S 703S Methane Mixture 92 methane 4 ethane 4 propane defaul...

Page 34: ... Other Functions Function Accessory Relay Accessory relay is activated at warning level Accessory relay is activated at alarm level Alarm Latched No latched function at alarm relay Alarm relay is latched Latched reset can be performed by momentary power disconnection or when detectors are set to alignment mode 4 20mA Mode Continue reading of the 0 20mA per the gas concentration level see Table 1 D...

Page 35: ...ly to the detector The source heated optic must be defined with the order as 1 of 2 options Heated continuously Or Start heating below 41 F 5 C default 3 3 3 Default Detector Setup The detector has 8 functions that can be programmed according to customer requirements either at the factory or at the customer facility using a PC software host or a handheld unit The standard setup is as follows Table...

Page 36: ...System Setup 36 SafEyeTM Xenon 700S Gas Detector User Guide Table 10 Source Default Setup Function Setting Heat mode Auto Heat on 5 The source default can be changed only at the factory ...

Page 37: ...ases Simultaneous detection of C1 C8 flammable gases Detection Distance range Table 11 Table 11 Detection Distance Range Model No Detector Source Min Installation Distance ft m Max Installation Distance ft m 701S XDSS X 111XX XSS X 11X 13 4 65 20 702S XDSS X 112XX XSS X 11X 50 15 230 70 703S XDSS X 113XX XSS X 12X 165 50 459 140 721S XDSS X 121XX XSS X 11X 13 4 65 20 722S XDSS X 122XX XSS X 11X 50...

Page 38: ... Power Consumption Without Heated Optic Max With Heated Optic Max Detector 220mA 300mA Source 220mA 300mA 4 2 2 Electrical Input Protection The input circuit is protected against voltage reversed polarity voltage transients surges and spikes according to MIL STD 1275B 4 2 3 Electrical Interface There are 3 output wiring options These options must be defined at the factory per the customer order Se...

Page 39: ... is widely used The protocol enables continuous communication between a single standard Modbus controller master device and a serial network of up to 247 detectors The protocol enables connections between different types of SPECTREX detectors or other Modbus devices to the same network 4 2 4 3 Relay Output The detector may include up to 3 of the following relays depending on the wiring configurati...

Page 40: ...ector diagnostics Troubleshoot Mechanical Specifications 4 3 Enclosure The detector source and tilt mount are St St 316 Electro chemical and passivized coating Explosion Proof IECEx Ex II 2 1 G Ex d e ia ia Ga IIC T5 Gb Ta 40 F 40 C to 131 F 55 C Water and Dust Tight IP 66 and IP 67 NEMA 250 type 6p Electrical Modules Conformal coated Electrical Connection Two options specified at time of order 2 ...

Page 41: ... Designed to meet MIL STD 810C Method 502 1 Procedure I Operating Temperature 4ºF 20ºC Storage Temperature 40ºF 40 ºC 4 4 3 Humidity The SafEye system is designed to meet MIL STD 810C Method 507 1 Procedure IV Relative humidity of up to 95 for the operational temperature range 4 4 4 Salt and Fog The SafEye system is designed to meet MIL STD 810C Method 509 1 Procedure I Exposure to a 5 salt soluti...

Page 42: ...ocedure VIII Mechanical Shock Designed to meet MIL STD 810C Method 516 1 Procedure I 4 4 7 Electromagnetic Compatibility EMC This product is in conformance with EMC directive 89 336 EC Radiated Emission EN61000 6 3 Conducted Emission EN61000 6 3 Radiated Immunity EN61000 4 3 Conducted Immunity EN61000 4 6 ESD EN61000 4 2 Burst EN61000 4 4 Surge EN61000 4 5 ...

Page 43: ...The installation procedure must be performed by suitably qualified personnel This section does not attempt to cover all of the standard practices and codes of installation Rather it emphasizes specific points of consideration and provides some general rules for suitably qualified personnel Special safety precautions are stressed wherever applicable General Considerations 5 2 5 2 1 Personnel Only s...

Page 44: ...ed in a position where it cannot be knocked out of alignment or it is guarded from physical impact 5 2 4 The Source and Detector The model of detector suitable should be selected according to the length of open path to be monitored To allow for ageing of the source and a reduction of the IR signal due to adverse weather it is recommended to use a detector that is not at the limit of its operating ...

Page 45: ...ld comply with local national and international regulations and norms as applicable to gas detectors and approved electrical devices installed in hazardous areas The detectors can be installed with general purpose common tools and equipment In addition to this manual the system should include the following Detector unit XDSS X 11XXX See Models and Types page 22 Source unit XSS X 1XX See Models and...

Page 46: ... be used for site wiring The selection of wire gauge should be based on the number of detectors used on the same loop and the distance from the control unit in compliance with specifications See Wire Selection Tables page 65 Conduit Cable Installation 5 4 The conduit and cable installation must comply with the following guidelines To avoid water condensation in the detector install the detector wi...

Page 47: ...t mount holding plate Item 1 in its designated location and secure it with 4 fasteners through 4 holes of an 8 5mm diameter Notes Skip this step if the tilt mount is already installed Detector removal for maintenance purposes does not require tilt mount removal 2 Place the detector with its conduit cable inlets pointing downwards on the detector holding plate of the tilt mount Item 2 Secure the de...

Page 48: ...on cable gland to assemble the cable explosion proof conduit to the detector 3 Connect the wires to the required terminals Item 2 Figure 6 according to the wiring diagram See Detector Terminal Wiring page 52 and Figure 9 Figure 10 Figure 11 in Wiring Option Configurations page 67 4 Connect the grounding wire to the ground screw outside detector Item 3 Figure 6 The detector must be well grounded to...

Page 49: ... Tilt Mount Holding Plate 5 Vertical Fine Alignment Tightening Screw 2 Detector Source Holding Plate 6 Vertical Crude Alignment Tightening Screw 3 Horizontal Crude Alignment Tightening Screw 7 Vertical Fine Alignment Screw 4 Horizontal Fine Alignment Tightening Screw 8 Horizontal Fine Alignment Screw ...

Page 50: ...w 2 Detector Source Holding Plate 10 Detector Tightening Washer 3 Horizontal Crude Alignment Tightening Screw 11 Detector 4 Horizontal Fine Alignment Tightening Screw 12 Telescope 5 Vertical Fine Alignment Tightening Screw 13 Telescope Tightening Bolt 6 Vertical Crude Alignment Tightening Screw 14 Back Cover Tightening Bolt 7 Vertical Fine Alignment Screw 15 Detector Back Cover 8 Horizontal Fine A...

Page 51: ...ure 6 Detector with Cover Removed Table 17 Detector with Cover Removed Description 1 Housing 5 Internal Earth Connection 2 Terminal Board 6 Connection to Handheld Unit 3 Earth Terminal 7 Detector Holding Plate 4 Inlet Conduit 8 Detector Telescope Site ...

Page 52: ...N 6 2 Figure 10 24VDC 0VDC Alarm Relay 1 Fault Relay 2 Accessory Relay 5 not used 1 Figure 9 24VDC 0VDC Alarm Relay 1 Fault Relay 2 0 20mA 4 0 20mA 4 not used Notes The Alarm output is a N O contact relay SPST The contacts are closed in gas alarm state The fault output is N C SPST relay The contacts are closed when the detector is in its normal operational condition Used for communications network...

Page 53: ...able explosion proof conduit to the source 3 Connect the wires to the required terminals Item 2 Figure 7 See Terminal Wiring page 53 4 Connect the ground wire to the ground screw outside the source Item 3 Figure 7 The source must be well grounded to earth ground 5 Check wires for secure mechanical connection and press them neatly against the terminal to prevent them from interfering while closing ...

Page 54: ... Detector User Guide Figure 7 Source with Cover Removed Table 19 Source with Cover Removed Description 1 Housing 5 Internal Earth Connection 2 Terminal Board 6 N A 3 Earth Terminal 7 Detector Holding Plate 4 Inlet Conduit 8 Detector Telescope Site ...

Page 55: ...operation Note Accurate alignment is essential for proper operation of the SafEye system Alignment of Unit 6 2 The telescope is used to perform full alignment Alignment procedure should be performed in 2 stages crude alignment and fine adjustment The telescope includes a periscope that consists of a prism and an ocular that are located vertical to the telescope assembly This allows the user to obs...

Page 56: ... the source according to the drawing Fasten the telescope with fastening screws Item 13 3 Crude alignment Use Allen screw driver for all alignment screws Loosen screws 5 and 6 Approximately aim the source horizontally toward the detector Tighten screw 6 Loosen screws 3 and 4 Approximately aim the source vertically toward the detector Tighten screw 3 4 Repeat step 3 for the detector towards the sou...

Page 57: ...wering up the system see Zero Calibration page 58 Safety Precautions 6 4 After powering up the detector requires minimal attention for proper functioning but the following should be noted Follow the manual instructions and refer to the drawings and specifications issued by the manufacturer Do not open the detector source housing while power is connected External devices such as automatic extinguis...

Page 58: ...be 0 95 1 05 LEL 0 LEL x m 0 LEL x m Temp Up to 25 C beyond room temp Up to 25 C beyond room temp Voltage 32VDC V 17VDC 32VDC V 17VDC Ref Noise More than 80 More than 30 Sig 1 Noise More than 80 More than 30 Sig 2 Noise More than 80 More than 30 Note The installation information refers to the installation distance Min The minimum distance as defined for that model Med Half of the maximum distance ...

Page 59: ...alibration mode The 0 20mA output should now be at 1mA 4 Wait up to 60 seconds until the mode switches to normal The detector reading is now set to normal and the 0 20mA output indicates 4mA Use the Host HART refer to Manual TM888030 RS 485 refer to Manuals TM888050 or TM799060 or move the magnetic mode selector above the magnetic switch see Figure 8 to switch between each mode Figure 8 Magnetic M...

Page 60: ...t be activated during the calibration check Notes This functional verification procedure is for a standard 0 20mA output Prior to starting the functional check verify that the power to the units is on and that the current of the 0 20mA channel is stable Record the reading To perform the functional check 1 Position the functional check filter in front of the SafEye Detector 2 Center the functional ...

Page 61: ...etain maximum performance and reliability Note The frequency of cleaning operations depends on the existing environmental conditions and the applications used To perform periodic maintenance Alignment procedures must be performed each time that the source or the detector unit are opened or moved for any reason The signal verification check corroborates the current signals from the flash source com...

Page 62: ...wer to the SafEye detector and source 8 Perform signal verification see Signal Verification page 57 9 Perform zero calibration see Zero Calibration page 58 10 Perform a functional check see Functional Check page 60 7 2 2 Signal Verification The signal verification check determines the proper operation of the open path It checks the alignment and cleanliness of the window or any problem in the sour...

Page 63: ...e sure that the path is clean and the weather conditions are good NQRat1 and NQRat2 above the permitted limit Poor alignment Perform alignment R N S1 N S2 N below 50 Poor alignment Perform alignment Dirt on the window Clean the window Poor light source Replace the light source Detector fault Replace repair detector Temperature higher than 25 C beyond the room temperature Electronic problem Replace...

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Page 65: ...ble 23 to select wire gauge for power supply wires Do not connect any circuit or load to the detector s supply inputs Table 22 Maximum DC Resistance at 68 F 20 C for Copper Wire AWG mm2 Ohm per 100ft Ohm per 100m 26 0 12 0 15 4 32 14 15 24 0 16 0 24 3 42 11 22 22 0 30 0 38 1 71 5 60 20 0 51 0 61 1 07 3 50 18 0 81 0 96 0 67 2 20 16 1 22 1 43 0 43 1 40 14 1 94 2 28 0 27 0 88 12 3 09 3 40 0 17 0 55 1...

Page 66: ...ngth in Feet Meters No of Detectors Recommended Wire Diameter Power Supply Range VDC 24 18 16 14 22 32 20 18 16 14 22 32 16 20 18 16 14 22 32 12 20 18 16 14 20 32 8 20 18 16 14 20 32 4 and less 20 18 16 16 14 20 32 ft 164 328 492 656 820 meters 50 100 150 200 250 Max Length from power supply to last detector ...

Page 67: ...TM 799200 Rev 4 April 2017 67 Appendix B Wiring Option Configurations In this appendix RS 485 page 71 Figure 9 Wiring Option 1 Note Only 0 20mA is SIL2 approved ...

Page 68: ...Wiring Option Configurations 68 SafEyeTM Xenon 700S Gas Detector User Guide Figure 10 Wiring Option 2 Note This option does not comply with SIL2 requirements ...

Page 69: ...Wiring Option Configurations TM 799200 Rev 4 April 2017 69 Figure 11 Wiring Option 3 Default Note Only 0 20mA is SIL2 approved Figure 12 0 20mA Wiring Sink For Wiring Options 1 and 3 ...

Page 70: ...ring Source For Wiring Options 1 and 3 Notes The detectors are factory set to isolated 0 20mA sink version For non isolated 0 20mA version source connect Terminal 8 to Terminal 1 The 0 20mA meter is connected between Terminal 7 and Terminal 2 Figure 14 0 20mA 3 Wire Connection for Options 1 and 3 ...

Page 71: ...ect up to 32 detectors in an addressable system with 4 wires only 2 for power and 2 for communication Using repeaters the number of detectors can be much larger 32 detectors for each repeater up to 247 on the same 4 wires When using the RS 485 network it is possible to read each detector status FAULT WARNING and ALARM individually For more details contact SPECTREX Figure 15 RS 485 Networking for W...

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Page 73: ...e Detector Unit page 74 Mini Laptop Kit page 75 C 1 Tilt Mount The tilt mounting brackets P N 799640 allow for accurate alignment of the detector source for proper operation of the open path The brackets give crude alignment of 60 and a fine alignment of 10 C 2 Pole Mount U Bolt 4 5 The U bolt mount P N 799225 is available to facilitate 4 5 pipe mounting C 3 Pole Mount U Bolt 2 3 The U bolt mount ...

Page 74: ...the user to connect to any available PC or laptop to reconfigure settings or perform diagnostics on the XENON 700 Gas Detector Refer to Manual TM 799050 for programming instructions C 7 Commissioning Kit The commissioning alignment kit unit P N 799247 is required for commissioning and future maintenance checks Only 1 kit is required per site The kit includes an alignment telescope P N 799210 a mag...

Page 75: ...bles setting reconfiguration or diagnostics performance on all flame and gas detectors in the series Refer to Manual TM777070 for programming instructions when using the mini laptop kit The kit includes a cable harness with an RS 485 USB converter The device is programmed with maintenance WinHost for all types of SPECTREX detectors ...

Page 76: ......

Page 77: ...onal Check of Unit page 62 HFT 0 PFD 3 3 x 10 4 3 3 of SIL 2 PFH 1 5 x 10 4 15 of SIL 2 For 0 20mA signal current application SFF Fulfills the conditions of EN 61508 for SIL 2 D 2 Guidelines for Configuration Installation Operation and Maintenance Alarm conditions complying with SIL 2 can be implemented only with 0 20mA outputs D 2 1 Conditions for Safe Operation The SafEye 700S should consist onl...

Page 78: ... sensitivity Full Scale 2 LEL m 4mA 0 LEL m 7 2mA 0 4 LEL m 12mA 1 LEL m Discrete current 4mA 14mA 19mA The connected controller monitors the 0 20mA signal current for values below 4mA and above 20mA D 2 3 Relay Outputs Relay outputs don t comply with SIL 2 requirements D 3 Miscellaneous The complete functional performance of the gas detector should be checked every 6 months gas detection fault de...

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Page 80: ...Website www spectrex net Your Local SPECTREX Office Texas USA Mr Jay Cooley Regional Sales Manager 16203 Park Row Suite 150 Houston Texas 77084 USA Phone 1 832 321 5229 Email jay cooley emerson com Far East Mr Deryk Walker Regional Sales Manager 59 Fen Ji Hu Danshui Taipei County 25163 Taiwan ROC Phone 886 2 8626 2893 Mobile 886 926 664 232 Email deryk walker emerson com ...

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