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Freedom 6000 - User Manual

1. 94 Combustible LEL IR and Cat bead Sensor Specifications 97 Toxic E Chem Sensor Specifications 100 087 0044 REV H SCOTT SAFETY CONTENTS APPENDIX Sensor Information Appendix Overview 103 Sensor K Factor icem sS 104 Gas Interferences 1s saura eau 107 APPENDIX C Support Appendix Overview 115 PSSISIQNCS oai pare 2 4 116 MARO MECT 117 Warranty Statement 124 Product 125 2 127 SCOTT SAFETY 087 0044 REVH CONTENTS 087 0044 REVH SCOTT SAFETY SCOTT LIST OF FIGURES SAFETY SCOTT SAFETY N 5 PAWS a us eme E E 4 Maximum Wire Length Formula 13 Wiring Distance Reference Chart 18VDC 13 Wiring Distance Reference Chart 10VDC 14 Maximum Wire Distance 16 Device Mounting Dimensions 18 Device Mounting Dimensions Stainless Steel 19 Rem
2. 29 Connecting the Relays MODBUS RS 485 Option PCB 30 Connecting the Isolated 4 20mA Output Option 32 Connecting a Combustible LEL Cat bead and IR Sensor Heads 34 Connecting a Toxic E Chem Sensor Head 35 Installing Replacing a Toxic E Chem 36 Installing Replacing a Combustible LEL Sensor Head 37 087 0044 REVH CONTENTS CHAPTER 3 Configuration and Setup Chapter Overview 41 Configuration and Setup Checklist 42 Configuring the Relays MODBUS RS 485 Option 42 Configuring the Device 49 Configuring the Setup Menu 51 Configuring the System Configuration Menu 52 Configuring the Alarm Settings Menu 54 Configuring the Relay Configuration Menu 55 Configuring the Sensor Information Menu 56 Configuring the Clock Delays Setup 57 Configuring the Diagnostics Menu 58 Configuring the Help Menu 59 Configuring the LCD Contrast Adjustment Menu 59 Configuring the MODBUS RS 485 Port Menu
3. 59 Configuring the Security Menu 60 Configuring the Transmitter Configuration Menu 61 Configuring the Technicians Only 63 Configuring the IR CO2 Sensor 66 Configuration Defaults 69 CHAPTER 4 Operation Chapter Overview 73 Operating the Device 74 245245999560 78 Powenng DOWN Pr 78 CHAPTER 5 Maintenance Chapter Overview 79 Calibrating the Device 80 Calibration Hookup Options 80 Calibration Methods 83 Zero Calibration 84 Span CallblallON 2 pens bane ns 84 Maintaining the Device 87 Replacing the Sensor 87 Error Codes 88 Troubleshooting the Device 90 APPENDIX A Specifications Appendix 9 Device 5 lt
4. pertinent state regional and local safety regulations must be observed when handling and disposing of hazardous material Toxic E Chem Sensors batteries and other similar items that may fall under the classification of hazardous material Only use Scott Safety approved replacement parts SCOTT SAFETY Warnings and Cautions Device Use and Care SCOTT SAFETY gt gt gt gt 6 Warnings and Cautions Device Use and Care Ensure you follow the applicable warnings and cautions indicated here Warning This equipment must be operated and serviced by qualified personnel only Read and understand the guide completely before operating or servicing Qualified personnel as defined according to local county state federal and individual company standards Warning When in doubt vacate the area immediately You should vacate the area immediately should the device indicate a warning or alarm condition You should know and understand your company s safety protocols Warning Ensure the atmosphere is free from combustible and or toxic gases prior to starting any of the procedures Warning When the primary device is off line ensure you have another online device to actively detect gases The device may be off line due to such activities like but not limited to calibration installation maintenance troubleshooting configuration wiring and other activities Warning If the device d
5. Rwire X2 Where D Maximum wire length in feet based on the wire s loop voltage Power supply output voltage Vmin Minimum current voltage of device Imax Maximum current in amperes Rwire Resistance of wire in Ohms foot Figure 3 and Figure 4 provide a quick reference to determining maximum wiring distances for various power supply voltages and wire sizes To determine the maximum wiring distance first calculate the wiring s maximum allowable voltage drop by subtracting the device minimum operating voltage from the power supply s output voltage Then use the appropriate chart to determine the maximum wiring distance for 18 16 and 14 AWG wire When using MODBUS use ISVDC value for the Minimum Operating Voltage Otherwise use Figure 3 and Figure 4 are invalid if the wire being used has a different Ohms foot value from those listed Figure 3 Wiring Distance Reference Chart 18VDC Voltage Drop vs Wiring Distance 9000 Temp 85 F Wiring distance consists of not and and and retum return wire 6000 14 AWG 0 00314 16 AWG 0 00591 1548 AWG 0 00802 TTT 3000 5 6 g 9 710 1 12 Power Supply Lead Voltage Drop Wiring Distance Feet Between Power Supply and Transmitter SCOTT SAFETY 087 0044 REVH 14 CHAPTER 2 INSTALLATION 087 0044 REVH If wiring requirements fall outside th
6. 28 16 3 Wire Connection Device to Series 7400 QuadScan Il 28 17 3 Wire Connection Device to Series 7400 Plus 28 18 Jumper J1 Settings for the Device 30 19 Configuration and Setup 42 20 Read Rd Only Discretes 43 21 Read Write Rd Wr 43 22 Read Rd Only Registers 43 23 Floating Point Registers 45 24 ASCII String Registers 45 25 Byte 46 26 Firmware Version 46 27 Real Value Registers 46 28 Binary Cal 48 29 Key Device Configuration Defaults with a Combustible LEL Sensor 69 30 Key Device Configuration Defaults with a Toxic E Chem Sensor 71 31 LCD Items and Descriptions 75 32 Combustible LEL Calibration Equipment Both Hookup Options 81 33 Toxic E Chem Calibration 82 34 Recommended Calibration 83 35 Span Calibration Gas for IR Sensors 85 36 Recommen
7. Alarm Settings Sensor Information Clock Delays Diagnostics HELP Freed om 6000 Universal Transmitter DOWN EDIT CAL HEALTH amp SAFETY Figure 51 30 Minute Graphical Display e RESET AM1 ALN2 FAIL 31 LEL Ty 2 om 6000 Universal Transmitter DOWN EDIT CAL HEALTH amp SAFETY The device ships preconfigured for standard operation However if a Relays MODBUS RS 485 Option is installed in the device you may need to change some of the configuration parameters See Configuration and Setup Checklist on page 42 The configuration structure is divided into two 2 parts Basic Configuration parameters and Advanced Configuration parameters Most applications do not typically require making changes to the Advanced Configuration parameters and are not recommended However there may be occasions when changes are needed See Configuring the Transmitter Configuration Menu on page 61 See Configuring the Technicians Only Menu on page 63 Upon initial completion of the power up sequence the device needs to be Calibrated to ensure proper operation of the Sensor See Calibrating the Device on page 80 SCOTT SAFETY 087 0044 REV H 78 CHAPTER 4 OPERATION Powering Up This section covers the power up sequence Once power 1 applied to the device the five 5 LEDs emit solid the LCD displays BUSY the LCD displays SCOTT F6K along with Fi
8. xxii gt eb xxiii Introduction Chapter Overview 1 Device Overview 2 Installation Chapter Overview 7 Planning for Installation 8 Verifying Items Shipped 8 Mounting Considerations 8 Following Electrical Codes 12 Determining Wire Length and Size 12 Installation Checklist 17 Mounting the Aluminum Device 18 Mounting the Stainless Steel Device 19 Mounting and Wiring the Remote Sensor Junction Box Combustible 20 Using a Test Socket Adapter 21 Mounting and Wiring the Remote Sensor Junction Box Toxic 22 Mounting a Combustible LEL Sensor Head Using Duct Mount Adapter 24 Mounting a Toxic E Chem Sensor Head Using a Duct Mount Adapter 25 Connecting the Device to the Power Supply and a Receiver 26 Connecting from the Device to Various Scott Receivers 27 Connecting Relays amp Remote Alarm Reset Relays MODBUS 5 485 Option
9. Allows the separation of the Power Source and Sensor Inputs from the Sensor Output Signals to the Receiver e Relays MODBUS RS 485 Option PCB Allows the use of three 3 Discrete Relays and a Remote Reset connection as well as MODBUS RS 485 Communication Protocol output The three 3 Discrete Relays can be wired to notification alarm equipment such as lights and audible The MODBUS RS 485 output supports up to 247 Remote Terminal Units RTUs on the MODBUS RS 485 Network The device ships preconfigured using the factory default settings However you may want to reconfigure some of the parameters based upon your application See Configuration Defaults on page 69 Combustible LEL Sensors shipped with the device are calibrated at the factory However Spare Combustible LEL Sensors must be calibrated prior to use Toxic E Chem Sensors shipped with the device are calibrated at the factory using a simulator Verify that Spare Toxic E Chem Sensors are calibrated prior to use Warning Periodic Calibration checks are needed to assure dependable performance Operating the device that has exceeded its calibration date can cause false readings of detected gases Readings obtained while device is out of calibration are invalid and could lead to death or injury Other accessories are available to aid you your use of the device For a complete list See Parts List on page 117 Here are only a few examples Re
10. Table 6 lists the major parts of the device 087 0044 REVH SCOTT SAFETY Device Overview 5 Table 6 Major Parts REFERENCE NUMBER ITEM 3 4 Conduit Entries 2 3 4 Housing Mounting Flange Holes 2 Text and Numerical Display LCD Removable Cover 6 Combustible LEL Sensor Head Calibration Port Comune CEL Senor Read ATEX Approved 13 Either Isolated 4 20mA Option PCB Relays MODBUS RS 485 Option PCB Power I O PCB 15 Toxic E Chem Sensor Head Daughter Board Required for Toxic E Chem Sensor Head ClassI Division2 only SCOTT SAFETY 087 0044 REVH 6 CHAPTER 1 INTRODUCTION 087 0044 REVH SCOTT SAFETY Chapter 2 SCOTT INSTALLATION SAFETY Chapter Overview This chapter covers the following topics e Planning for Installation Installation Checklist SCOTT SAFETY 087 0044 REVH 8 CHAPTER 2 INSTALLATION Planning for Installation Verifying Items Shipped Mounting Considerations 087 0044 REVH This section provides the pre installation items This section provides a list of the items that ship with the device Ensure you have all items if not See Assistance on page 116 There are two 2 basic versions Device Toxic E Chem version Toxic E Chem Sensor End Cap Screwdriver with magnet Manual Device Combustible Cat bead or IR version Allen Wrench Screwdriver with magnet Manual
11. Weight Remote Aluminium 3 99Lbs 1 81Kg Junction Box Operating 40 0 to 140 F 40 to 60 Temperature Operating 0 to 90 RH Non Condensing Humidity Caution Relays are rated for Resistive Loads Inductive Loads such as coils or motors may cause contact arcing which emits RFI into the sensor signals Use appropriate snubbers and MOV s across inductive loads and keep wiring away from signal wires Failure to do so could result in RFI and negatively effect device performance SCOTT SAFETY 087 0044 REV 96 APPENDIX A SPECIFICATIONS 087 0044 REVH Table 40 Current Draw at 24VDC with Specific Options BASE IR CAT BEAD CAT BEAD DEVICE 4 25VDC 5 5VDC 6 0VDC TOXIC With 23mA 27mA 46mA 46mA 92 30mA Display PCB amp I O PCB Without Relay PCB With 28mA 38mA 87mA 87mA 131mA 70mA Display Relays On PCB I O 26mA PCB amp Relays Off Relay PCB Relays Not Energized Note Values are at Zero Gas SCOTT SAFETY Combustible LEL IR and Cat bead Sensor Specifications 97 Combustible LEL IR _ Table 41 lists Combustible LEL IR and Cat bead sensor specifications and Cat bead Sensor Specifications Table 41 Combustible LEL IR and Cat bead Sensors Specifications COMBUSTIBLE LEL IR AND CAT BEAD SENSOR SPECIFICATIONS IR Methane Sensor Operating Voltage 4 25 VDC Operating Current Constant current operation current range 75 to 85 0 to 5 volume up to
12. END OF LOG OUTPUT STIMULATOR Output 4 0mA EDIT to change NEXT to exit ACTUATE RELAYS Relay 1 OFF Relay 2 OFF Relay 3 OFF SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 31 Configuring the Setup Menu This section covers the Setup Menu Press the EDIT key from either of the Displays Text and Numerical Display or the 30 Minute Graphic Display to access the Setup Menu The Setup Display 1 displays Use the DOWN key to move the cursor to Setup Display 2 if desired Use the magnetic keys to navigate through the menu structure as necessary See Figure 29 Figure 29 Configuration Menu Setup Display Combustible LEL amp Toxic E Chem Combustible LEL Toxic E Chem BRIDGE mA PG 1 EC INPUT PG 1 System Config Alarm Settings Sensor Information Clock Delays Diagnostics HELP System Config gt Alarm Settings Sensor Information Clock Delays Diagnostics HELP VVVVVV lt Or BRIDGE mA 2 LCD Contrast Adj gt a Modbus 85485 Port gt Security EC INPUT PG2 LCD Contrast Adj gt Modbus RS485 Port gt Security gt Technicians ONLY gt gt Technicians ONLY gt SNXXXXXXXXX V2 XX SNXXXXXXXXX V2 XX 087 0044 REV H 52 CHAPTER 3 CONFIGURATION AND SETUP Configuring the System Configuration Menu This section covers the System Configuration Menu Navigate the cursor from the Setup Display Menu to System Config and press the
13. 087 0044 REV H 104 APPENDIX SENSOR INFORMATION Sensor K Factors 087 0044 REVH Table 43 Table 44 provide the K Factors referenced to propane calibration The factors are the typical ratios of the response to the listed gases relative to the response to propane The values are typical but will vary from sensor to sensor and over the lifetime of a given sensor When a gas other than the calibration gas is detected divide the reading by the corresponding factor to estimate the actual gas concentration For example propane may be detected by the device calibrated with methane Note the concentration in LEL on the label of the Propane tank Apply gas to the device and span to value derived by multiplying this number with the given K Factor For example for Isobutylene the Propane tank s label indicates 50 LEL then you would multiply that by 1 3 to get 0 65 to span 50 x 1 3 0 65 Table 43 K Factors for 5 5V Combustible Cat bead Sensors P N 40011528 STANDARD RESISTANT GAS VAPOR Acetaldehyde Acetone Acrylonitrile Ammonis EO 1 3 Butadiene 1 1 1 3 n Butane 1 3 Isobutane 1 4 Isobutylene Ethylbenzene Ethylene Ethylene Oxide Heptane 2 al SCOTT SAFETY SCOTT S
14. H detection system About This Guide chapter Updated ATEX Approval Added INMETRO approval Installation chapter Added information about using a Remote Sensor Junction Box with a Duct Mounted Sensor for weight consideration Configuration and Setup chapter Added a customer settings column to the Configuration Defaults table This enables customers to record their key settings Maintenance chapter Made changes to two Notes in the Span Calibration section Under the Span Calibration section added an asterisk beside Acetone for Installed Sensor in Span Calibration Gas for IR Sensors table Under Span Calibration section changed Propane to Ethylene and added an asterisk for Installed Sensor in Span Calibration Gas for IR Sensors table Specifications appendix Added Current draw at 24VDC specifications based on specific device options IR Carbon Dioxide Sensor Measuring Range changed to 0 to 5 volume Added the weight of the Remote Sensor Junction Box Enhanced information about Cable Lengths Removed for Sensors Removed 3 3V Combustible LEL Sensor specifications Sensor Information appendix Changed 4888 2 to Standard and 4888 3 to Poison Resistant in K Factors for 5 5 VDC Combustible Cat bead Sensors table Added Keys for the Gas Interference tables and corrected the examples Support appendix Updated warranty to address accessories and enclosures Duct Mount Adapter Sensor H
15. K K Factors 5 5V Combustible Cat bead Sensors 104 6 0V Combustible Cat bead Sensor 106 SCOTT SAFETY L LCD 30 Minute Graphical Display 77 Combustible LEL or Toxic E Chem Setup Display 77 Items and Descriptions 75 Text and Numerical Display 74 LCD Contrast Adjustment Configuration Menu 59 Major Parts Device 4 Maximum Wire Distance Formula 16 Maximum Wire Length Formula 13 Measure Voltage Using Test Socket Adapter Remote Sensor 22 MODBUS ASCII String Registers 45 Binary Cal Data 48 Byte Variables 46 Firmware Version 46 Floating Point Registers 45 Rd Only Discretes 43 Rd Only Registers 43 Rd Wr Coils 43 Real Value Registers 46 MODBUS Connections Relays MODBUS RS 485 Option PCB 31 MODBUS RS 485 Port Configuration Menu 59 Mounting Dimensions Device Aluminum 18 Device Stainless Steel 19 O Output Zero Trim and Output Span Trim Configuration Menu 62 Parts List Device 117 Power Supply and Receiver 3 Wire Connection 27 R Rd Only Discretes MODBUS 43 Rd Only Registers MODBUS 43 SCOTT SAFETY INDEX 129 Rd Wr Coils MODBUS 43 Real Value Registers MODBUS 46 Related Product Documentation xiv Relays MODBUS Option PCB Relays Remote Alarm Reset Connections 29 Relays MODBUS RS 485 Option PCB MODBUS Connections 31 Relays Remote Alarm Reset Connections Relays MODBUS Option 29 Remote Sensor Measure Voltage Using Test Socket Adapter 22 Using Test Socket Adapter 21 Remote Sensor Junction Wiring T
16. UL Yen i SCOTT SAFETY Freedom 6000 User Guide TOXIC AND COMBUSTIBLE GAS DETECTOR 087 0044 Rev H 2012 Scott Safety SCOTT the SCOTT SAFETY Logo Scott Health and Safety Protege Proton Scout Freedom Masterdock are registered and or unregistered marks of Scott Technologies Inc or its affiliates All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from Scott Safety Scott Safety reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of Scott Safety to provide notification of such revision or change Scott Safety provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose Scott Safety may make improvements or changes in the product s described in this documentation at any time While every effort has been made to ensure accuracy in this guide no responsibility can be accepted for errors or omissions This publication is not intended to form the basis of a contract and the company reserves the right to amend the design content and specifications of the detector without not
17. suc qm pel 2 05 l 5 5 02 1002 0 05 6 100 2 0 4 0 2 eT CHOH OH ep mm o oso aa E w fons ff fous mccum 1 087 0044 REV SCOTT SAFETY Gas Interferences 111 Table 47 Gas Interferences For Toxic E Chem Sensors 3 of 3 continued INTERFERENCE mE mu o eiel f a E E EN TEOS For each sensor type the table shows how 1 of an Interference Gas appears that specific sensor type For example CO appears as less than 0 1 on a 5 sensor A Ae es es c C TEOS Un Table 48 Gas Interferences For Toxic E Chem Rock Solid Sensors 1 of 3 INTERFERENCE BCL CL CLO e Rn I 6 Com ql rp jp __ Bo dlc gl t c pj rj p m j j ma __ n __ m a ___ I mo m PM I m __ _ _ 1 1 ___ MA IIIMI _____ For each sensor type the table shows how 1 of an Interference Gas appears on that specific sensor type For example CL appears as less than 0 5ppm a CIO sensor SCOTT SAFETY 087 0044 REV 112 APPENDIX SENSOR INFORMATION Table 49 Gas Inter
18. 5 74 50 Combustible LEL or Toxic E Chem Setup Display 77 51 30 Minute Graphical 77 52 Combustible LEL Calibration Hookup Methods 81 53 Toxic E Chem Calibration Hookup 82 087 0044 REVH SCOTT SAFETY SCOTT LIST OF TABLES SAFETY 1 Navigating Within a PDF xii 2 Scott Safety Documentation 5 1 3 Freedom 6000 User Guide Revision XV 4 Certifications and xvii 5 ACO ___ __ xxiii 6 MaIOG PAS 8552050 TRTRTOTITL TT RTT LITT 5 7 Gas Density Relative to Air CAS No Combustibles LEL 9 8 Gas Density Relative to Air and CAS No Toxic E Chem 10 9 Wire Resistance 15 10 Operating Voltages for Sensors 15 11 Maximum Consumption for the Sensor Type 16 12 Installation 17 13 3 Wire Connection Device to Sentinel 7200 5 27 14 3 Wire Connection Device to Sentinel 16 28 15 3 Wire Connection Device to 6
19. Alarm Settings Sensor Information Clock Delays Diagnostics HELP 087 0044 REV H TX Transmitter Sensor Life Normal operation has the device transmit a 4mA during the CAL PURGE delay However when TX Sensor Life is set for YES this causes the device s 4 20mA output to transmit a sensor life value after successful calibrations during the CAL PURGE The device transmits 4mA for the first 10 seconds then for 5 seconds transmits a value between 4mA and 5mA with 4 mA equal to 0 sensor life and 5mA equal to 100 sensor life The output then returns to 4mA for the remainder of the CAL PURGE delay For example if after a calibration sensor life is 7596 the device transmits 4 75mA during the 5 second interval TX Sensor Life should always be set for no unless the 4 20 receiver is capable of interpreting the sensor life signal The Scott Safety 7800 Sentinel 16 Controller is capable of this function Configuring the Alarm Settings Menu This section covers the Alarm Setting Menu Navigate the cursor from the Setup Display Menu to Alarm Settings and press the EDIT key to access the Alarm Settings Menu See Figure 31 Figure 31 Configuration Menu Alarm Settings ALARM SETTINGS ALARM 1 SETUP Set Point Dead Band Alarm 3 Fail ON Delay Relay Config OFF Delay Event Log Low Trip Latching EVENT LOG 08 12 08 03 17 A1 IN Display Event Log 08 12 08 03 23 A2 IN Clear Event Log 08 12 08 04 19 ACK 08 12 08 04 55
20. Assy 10 0233 o ft 52 Ribbon to Display Assy TB1 Toxic E Chem Daughter Board If installing a new Toxic E Chem Sensor Head See Installing Replacing a Toxic T E Chem Sensor on page 36 SCOTT SAFETY 087 0044 REV 36 CHAPTER 2 INSTALLATION Installing Replacing This section describes how to install replace a Toxic E Chem Sensor Toxic E Chem Sensor The Toxic E Chem Sensor ships separate from the device and must be installed Additionally it should be replaced as the need arises Toxic Sensors do require Balance or adjustments prior to Calibrating them Sensors installed at the factory have already had these adjustments made and only require calibration When installing a previously removed sensor that has already had the Balance and PreAmp Gain set only perform a Zero and Span Calibration For example removing installed sensors for testing or calibration when reinstalled do not require Balance or PreAmp Gain adjustments D Warning The device is not actively monitoring target gases when power is removed Verify atmosphere is safe or monitor atmosphere with another device while installing a new sensor to prevent risk of injury or death Caution Install sensor only in a clean atmosphere that is free of background gas clean atmosphere is not available Zero Gas must be used when performing Sensor Balance Failure to do so can
21. EDIT key to access the System Configuration Menu See Figure 30 Figure 30 Configuration Menu System Config Combustible amp Toxic Combustible LEL BRIDGE mA PG 1 SYSTEM CONFIG PG 1 a System Config a Measuremnet Name 16 Alarm Settings Eunits 10 Sensor Information Zero 096 Eunits Clock Delays Span 100 Eunits Diagnostics Decimal Points 0 HELP Cal Span Val 50 SYSTEM CONFIG PG 2 CURVE POINTS gt Readout Deadband 0 Linearize 2 Track Negative NO Data Point Linearization Data 96 Input Backup Config 96 Output Restore Config Cal Marker 3 00mA TX Sensor Life NO Or Toxic E Chem EC INPUT PG 1 SYSTEM CONFIG PG 1 a System Config a Measuremnet Name 16 Alarm Settings Eunits 10 Sensor Information Zero 096 Eunits Clock Delays Span 100 Eunits Diagnostics Decimal Points 0 HELP Cal Span Val 50 SYSTEM CONFIG PG 2 Readout Deadband 0 Track Negative NO Linearization Data Backup Config Restore Config Cal Marker 0 00m TX Sensor Life NO The System Configuration Menu is shown on two 2 pages and includes the following e SYSTEM CONFIG PG I Measurement Name May be edited to contain virtually any 16 character ASCII field Typically describes the monitored point by your tag or other familiar terminology Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the sel
22. Operating the Device 087 0044 REVH This section describes operational modes of the device Primary User Interface UI of the device is via the LCD During operation the LCD displays continuous data on gas concentrations and alarm conditions Additionally you can monitor peak values of gas concentrations Warning When settings are changed ensure those changes are communicated to all affected personnel The device name can be changed Measurement Name See Configuring the System Configuration Menu on page 52 The device defaults to the Text and Numerical Display upon power up This display shows real time data to you Specifically the current numerical value of sensor information shown as a percentage Navigation of the LCD displays is done by using the supplied pocket magnetic screwdriver with the four 4 navigation keys RESET UP NEXT DOWN CAL and EDIT You do not need to remove the removable cover of the housing to activate these keys The magnetic screwdriver works in close proximity to the four 4 keys Additionally the magnetic screwdriver must be removed and replaced to perform sequential key routines See Figure 49 shows the Text and Numerical Display as well as the navigation keys and the devices LEDs Additionally Table 31 lists these items along with their descriptions Figure 49 Text and Numerical Display RESET 1 ALM am FAIL 6 Fy 2 om 6000 Universal Transmitter D
23. and Both ALM 1 and ALM2 LEDs flashes LCD indicates FAULT and FAIL LED flashes Damaged Stainless Steel Sensor Housing Bad Sensor Connector Bad Sensor Bad or weak Calibration Gas Poor gas delivery wind Incorrect Calibration Gas Incorrect Calibration Gas concentration Needs Calibration Interfering gas present Rapid temperature changes It was probably Zero Calibrated with Hydrocarbons present LCD contrast too low Device reads an Overrange but is lt 250 Full Scale Reading does not indicate correct concentration Device reads an Overrange that is gt 250 Full Scale Reading does not indicate correct concentration Replace Sensor Housing Replace Sensor Connector Replace Sensor Replace Gas Source Cover holes on Endcap except for one Check Tubing for cuts For CL applications confirm Regulator Tubing was not used with HS For sticky gases SO etc confirm that Teflon Tubing is being used Check Calibration Adapter is not plugged Replace Gas Source Replace Gas Source Zero Calibrate the device Place Zero Air on Sensor to determine if outside gas 15 present If possible shield Sensor from source of temperature changes Apply a source of clean air to Sensor and Zero Calibrate Adjust LCD contrast Zero Calibrate Zero Calibrate 087 0044 REVH 92 CHAPTER 5 MAINTENANCE 087 0044 REVH
24. lt 10Seconds to 50 Full Scale lt 30 Seconds to 90 Full Scale Operating Temp 40 to 200 F 40 to 93 C Humidity 0 to 99 RH Non Condensing SCOTT SAFETY 087 0044 REVH 100 APPENDIX A SPECIFICATIONS Toxic E Chem Table 42 lists some of the Toxic E Chem sensor specifications Sensor Specifications Table 42 Toxic E Chem Sensors Specifications STANDARD OPERATING TYPICAL SENSOR TEMP RESPONSE FULL RANGE SYMBOL TYPE RATING RANGE C TIME PPM Ammonia NH Standard G i to 51050 _ lt 45 100 m Aue C Jess mes p 1r Boron cine m _ Beside Rc H M Wis e pem wes Aes m 5 _ 1 25010 mem pe forsa em a m yee Rie pt wem fro yee Fide 4 Saad b Fonds 087 0044 REVH SCOTT SAFETY Toxic E Chem Sensor Specifications 101 Table 42 Toxic E Chem Sensors Specifications continued STANDARD OPERATING TYPICAL SENSOR TEMP RESPONSE FULL RANGE SYMBOL TYPE RATING RANGE C Hydrogen Sulfide Sulfide HS Standard 1 140050 to 50 UE Sulfide H B a t
25. the device is not detecting hazardous gases Thus gas monitoring and alarm processing are not performed When the primary device 15 off line ensure you have another online device to actively detect hazardous gases Failure to do so could result in injury or death If the Relays MODBUS RS 485 Option PCB is installed Local Alarm Relays are gt Inhibited during the Calibration Mode Inhibit Time is adjustable using the Cal Purge Second parameter See Configuring the Clock Delays Setup Menu on page 57 Table 34 details the recommended calibration and test items for the device Table 34 Recommended Calibration Matrix ITEM FREQUENCY DETAILS Zero Calibration When baseline readings are incorrect or See Zero Calibration suspect on page 84 Prior to a Span Calibration Span Calibration After installing new sensors See Span Calibration on page 84 SCOTT SAFETY 087 0044 REV 94 CHAPTER 5 MAINTENANCE Zero Calibration Span Calibration 087 0044 REVH A This section describes how to perform Zero Calibration Prior to starting the Zero Calibration procedure you may need to adjust the Inhibit Time on the device This prevents unwanted alarm trips Likewise remember to reset it after calibration Inhibit Time is adjustable using the Cal Purge Second parameter See Configuring the Clock Delays Setup Menu on page 57 1 From either Data Display enter the Cal Mode by pressing
26. 12 08 Warm Up Sec 100 Cal Purge Sec 100 CONTRAST UP DOWN to change NEXT key to Exit Enter Key Sequence to access menu NEXT key to Exit See Manual HELP SYSTEM SECURITY Contact Name Secure Level LOW Pass Code Unlocked SYSTEM CONFIG 2 s Readout Deadband 0 Track Negative NO Linearization Data Backup Config Restore Config Cal Marker 21474 TX Sensor Life NO ALARM 1 SETUP Set Point Dead Band ON Delay OFF Delay Low Trip Latching RELAY CONFIG a K1 Failsafe K2 Failsafe K2 Acknowledge K2 Refresh K3 always Failsafe INSTALL SENSOR EDIT to install New Sensor Any other key to Exit CALIBRATION DATES Record 22 of 22 CAL Date 08 12 08 UP DOWN to scroll NEXT to EXIT WARNING ALARM Process will be halted during diagnostic mode EDIT to continue Any other to exit Technician ONLY menus EDIT Output Stimulation Enter Key Sequence to access menu xxx NEXT key to Exit See Manual HELP EVENT LOG Display Event Log Clear Event Log INSTALL SENSOR Historical CAL data Will be Deleted EDIT to Accept NEXT to Abort DIAGNOSTICS Relay Test CURVE POINTS Linearize Data Point 96 Input Output 08 12 08 03 17 A1 IN 08 12 08 03 23 A2 IN 08 12 08 04 19 ACK 08 12 08 04 55 A2 OUT 08 12 08 09 01 A1 OUT 08 12 08 10 37 A1 IN 08 12 08 11 11 A1 OUT 08 12 08 11 59 A3 IN 08 12 08 12 18 A1 OUT
27. 485 Option PCB contains a MODBUS Network connection that is used to connect several devices to a single Receiver for monitoring purposes Up to 247 devices can be wired together on a network Each connected device becomes a Remote Terminal Unit RTU and requires a unique RTU address Consult receiver equipment instructions for information on wiring in addition to what is provided in this manual as various equipment may have additional specific requirements 1 Determine if other devices RTUs are to be wired or if the current device RTU is the last device being wired on the MODBUS Network 2 Unscrew the Housing Cover and then loosen the two 2 Thumbscrews and remove the LCD to gain access to the internal PCBs 3 Set or verify on the Relays MODBUS RS 485 Option PCB as follows a For a device at the end of the network with no other RTUs to be wired install the Terminating Resistor to J1 A b For device with other RTUs to be wired from the current device install the Terminating Resistor to J1 B See Table 18 Table 18 Jumper J1 Settings for the Device DEVICE S POSITION ON THE MODBUS NETWORK JUMPER SETTING Device 1s the last RTU Device is NOT the last RTU 4 Connect your MODBUS Master input wire signals at TB2 Pinl A TB2 Pin2 B on the Relays MODBUS RS 485 Option PCB S Cable shielding must connect to TB2 Pin3 S 6 Route Output Wiring to next RTU from TB2 Pin4 A and TB2 Pin5 B See Figure
28. A2 OUT RELAY CONFIG 08 12 08 09 01 A1 OUT K1 Failsafe 08 12 08 10 37 A1 IN K2 Failsafe 08 12 08 11 11 A1 OUT K2 Acknowledge 08 12 08 11 59 A3 IN K2 Refresh K3 always Failsafe 08 12 08 12 18 A1 OUT OF LOG Alarm LEDs and alarm functions are active even if the Relays MODBUS RS 485 Option PCB is not installed Set Point Enters the Engineering Unit value where the alarm trips It may be negative and trip when monitored values fall out of range in this direction A 3 has a default negative 596 of range Set Point with Low Trip set for YES This makes it function as a FAULT alarm and trip when the monitored value 1 more than 5 out of range e Dead Band Has a minimum value of 1 and a maximum value of 10 It is useful for preventing alarm cycling when the monitored value is hovering around the set point For example with a range of 0 100ppm if Dead Band equals 5 and the set point 15 20ppm after tripping at 20ppm the value must drop below 15ppm to reset SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 22 ON Delay Allows entering a maximum 10 second delay before this alarm becomes active This is useful for preventing recurring alarms caused by brief spikes beyond the set point OFF Delay Allows entering a maximum 120 minute delay before clearing an alarm after the alarm condition is gone This is useful for continuing an alarm function such as operation of an exhaust
29. Chan 1 Alarm 2 2002 Chan 1 Fault 2003 Chan 2 Alarm 1 2004 Chan 2 Alarm 2 2005 Table 21 Read Write Rd Wr Coils COIL RD ASSIGNED CODE ADDRESS FUNCTION CODE FUNCTION CODE Alarm Ack Reset 12001 1 Rd coil status 5 Force single coil Note After writing a True to this location it resets back to False automatically Table 22 Read Rd Only Registers INPUT RD ASSIGNED CODE REGISTER ADDRESS FUNCTION CODE D A Raw Chan 1 31001 4 Rd input register E Chem Sensor Type D A Raw Chan 2 31002 LEL Sensor Type Calibrated 10bit value representing the D A value of 0 to 1023 for 25 to 105 Full Scale 200 0 amp 1000 100 Note Read Only Registers 31001 to 31002 are configured to capture the values displayed on the device s LCD A D Raw Chan 1 31003 4 A D Raw Chan 2 31004 10bit value representing the A D value of 0 to 1023 before calibration constants are applied Chan 1 Status 4 Chan 2 Status 4 1661 status words bit assignment for each channel as indicated here Bit Name ALARMI BELOW ALARM2 BELOW ALARM3 BELOW 087 0044 REV 44 CHAPTER 3 CONFIGURATION AND SETUP Table 22 Read Rd Only Registers continued INPUT RD ASSIGNED CODE REGISTER ADDRESS FUNCTION CODE ALARMI LATCH ALARM2 LATCH ALARM3 LATCH ALARM3 ACTIVE CHANNEL DISABLED CHANNEL CAL CHANNEL LINEARIZE FAULT RELAY LATCH DISPLAY NEGATIVE TRANSMIT SENSOR LIFE ENABLED 1661 status words bit assignment for al
30. ClassI Groups A B C D Cat bead amp IR Test Socket Adapter Measures the output voltage received at the sensor 6 0V Cat bead Only installed in a remote location 096 3345 Test Socket Adapter 096 3369 Measures the output voltage received at the sensor 4 25V 4 25V and 5 5V Cat bead installed in a remote location Calibration Adapter 096 3242 For Combustible LEL Calibrations only Cat bead amp IR SCOTT SAFETY Parts List 121 Table 51 Applicable Parts List continued CATEGORY ITEM DESCRIPTION PART NUMBER Toxic Duct Mount Adapter Flat 096 2118 F E Chem 5 z Duct Mount Adapter Round 096 2118 6 8 E for 6 to 8 Diameter Ducts Duct Mount Adapter Cable 6Ft 096 3391 standard and up to 50Ft Max For E Chem Only Used between i Transmitter and Remote Sensor Cable 50Ft standard or different 096 2494 lengths up to 50Ft Max For 4 E Chem Only Used between Transmitter and Remote Sensor Junction Thread Adaptor 096 0328 1 4 Turn Sensor End Cap 096 2105 Assembly Rock Solid 1 4 Turn Sensor End 096 2273 Cap Assembly Longer Remote Sensor Junction Box 096 2794 3 With PCB for Toxic Sensor Head IE Connection Calibration Adapter 096 2101 For Toxic E Chem Calibration only Delivers calibration gas directly to the sensor face without dilution from environmental interferences such as wind Barb fitting provided for tube connection to the cali
31. IR 5 5V or 6 0V for Set Gain to UNITY PreAmp Gain Set Gain Varies 000000 emm moc fo Ravnica SI OOO mem 8 p Note Blank cells indicate no corresponding Sub Item These values are sensor dependent 087 0044 REVH SCOTT SAFETY SCOTT SAFETY Configuration Defaults Table 30 Key Device Configuration Defaults with a Toxic E Chem Sensor ITEM SUB ITEM 1 SUB ITEM 2 FACTORY DEFAULT Decimal Point ppm 5 0 0 See Cal Span Val Teo i es po Alarm Settings Alarml Alarm3 Fail Relay Config Clock Delays ON Delay bbs Low vo ONDds tm em YES 71 087 0044 REV H 72 CHAPTER 3 CONFIGURATION AND SETUP Table 30 Key Device Configuration Defaults with a Toxic E Chem Sensor Poy Sem BN Technicians Disabled UNITY PreAmp Gain Set Gain Disabled Disabled Dui ST Note Blank cells indicate no corresponding Sub Item These values are sensor dependent 087 0044 REVH SCOTT SAFETY Chapter 4 SCOTT OPERATION SAFETY Chapter Overview This chapter covers the following topic e Operating the Device Powering Up Powering Down SCOTT SAFETY 087 0044 REV H 74 CHAPTER 4 OPERATION
32. LEL Sensor Configuration Setup Display press the EDIT key from either of the Displays Text and Numerical Display or the 30 Minute Graphic Display The menu screens this chapter are based on the Firmware Version 2 42 If your device has a different firmware version then the menu screens will vary somewhat Additionally disabled menu items are denote in gray colored text Access to ceratin menus are restricted A special Key Sequence screen appears that requires you to enter four 4 consecutive UP keys to access the menu SCOTT SAFETY 087 0044 REV H 50 CHAPTER 3 CONFIGURATION AND SETUP Enter LEL Setup Display BRIDGE mA PG 1 System Config Alarm Settings Sensor Information Clock Delays Diagnostics HELP BRIDGE mA PG 2 LCD Contrast Agj s Modbus 85485 Port Security Technicians ONLY 5 V2 XX 087 0044 REV H Figure 28 Configuration Menu Structure Combustible LEL Sensor Head SYSTEM CONFIG PG 1 a Measurement Name 16 Eunits 10 Zero 096 Eunits Span 100 Eunits Decimal Points 0 Cal Span Val 50 ALARM SETTINGS Alarm 3 Fail Relay Config Event Log RS485 MODBUS SETUP gt RTU Address 1 Baud Rate 9600 Parity None Stop Bit 1 SENSOR SETUP INFO Install Sensor Recall Cal History Input Type Bridge New Sensor 08 01 08 Recent Cal 08 12 08 Sensor Life CLOCK DELAY SETUP gt Time 11 23 45 Date 08
33. Liquid Crystal Display Light Emitting Device Lower Explosive Level Metal Oxide Varistor Nov MealOxide vao NV EEPROM Non Volatile Electrical Erasable Programmable Read Only Memory MOV EC PT B Ov SCOTT SAFETY 087 0044 REVH XXIV ABOUT THIS GUIDE 087 0044 REV H SCOTT SAFETY Chapter 1 SCOTT INTRODUCTION SAFETY Chapter Overview This chapter covers the following topic Device Overview SCOTT SAFETY 087 0044 REVH P CHAPTER 1 INTRODUCTION Device Overview 087 0044 REV H The Freedom 6000 is a single fixed point device designed to provide continuous monitoring of Combustible LEL gases range 0 to 100 or Toxic E Chem gases range varies based on the individual Sensor type The device receives inputs from an attached Sensor Head that affixes to the bottom and transmits the output to a remote monitoring system Two 2 types of Sensor Heads can be used with the device To detect Hydrocarbon Combustibles in ambient atmospheres it accepts either Catalytic Bead Cat bead or miniaturized Infrared IR Sensors Both are referred to as Combustible LEL Sensors This type Sensor Head 15 available in two 2 different designs an UL approved version and an ATEX approved version To detect Toxic gases in ambient atmospheres it uses Electrochemical E Chem Sensors Referred to as Toxic E Chem Sensors When using a Toxic Sensor Head the Toxic E Chem Sensor Head D
34. Menu See Figure 37 Figure 37 Configuration Menu MODBUS RS 485 Port BRIDGE mA PG 2 4 RS485 MODBUS SETUP LCD Contrast Adj gt Address 1 gt Modbus RS485 Port Baud Rate 9600 Security Parity None Technicians ONLY Stop Bit 1 5 V2 XX If the Relays MODBUS RS 485 Option PCB is installed and the RS 485 port is in use navigate to the MODBUS RS 485 Port display and assign each device its own address the legal range is 1 to 247 Caution Each device must have its own RTU Address while communicating on the same two 2 wire cable to prevent bus conflicts with Receiving Equipment 087 0044 REV 60 CHAPTER 3 CONFIGURATION AND SETUP 087 0044 REVH Edit the RTU Address by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished The Baud Rate Parity and Stop Bit fields each display a fixed value set to industry standards are not configurable Receiving Equipment using the MODBUS RS 485 Communications Protocol need to be configured according to the capabilities of the equipment See Configuring the Relays MODBUS RS 485 Option PCB on page 42 Configuring the Security Menu This section covers the Security Menu Navigate the cursor from the Setup Display Menu to Security and press the EDIT key to access the Security Me
35. No 30 M1986 CSA Standard C22 2 No 142 M1987 CAN CSA Standard 22 2 No 213 M1987 ANSI ISA 12 1 2 01 2007 UL 1203 4th SCOTT SAFETY SCOTT SAFETY Certifications and Approvals X1X Table 4 Certifications and Approvals continued FOR COM FOR COM BUSTIBLE BUSTIBLE SPECIFIC LEL DETEC DIRECTIVES SENSOR SYMBOL STANDARDS HEAD SYSTEM Seguranca Applicable N A lt 60079 0 n L IEC 60079 1 INMETRO ohh Ex d IIC T5 Gb Ambient temperature 40 C to 70 C INMETRO Applicable N A N A Seguranca Portaria 179 x U IEC 60079 0 L IEC 60079 1 INMETRO BR Ex d IIC TA Gb Ambient temperature 40 C to 85 C Detector Assembly Only Gas detector must be mounted in an certified Ex d or Exe enclosure and mounting must ensure grounding of gas detector The TYPE EXAMINATION CERTIFICATE relates only to the design and construction of the specified equipment or protective system The performance characteristics of the product have not been evaluated Note This table indicates all applicable certifications and approvals on a factory basis However it does not mean that each individual device has all of the indicated certifications and approvals for that particular factory Check your particular device for its certifications and approvals 087 0044 REVH XX ABOUT THIS GUIDE General Safety Information 087 0044 REVH Ensure you adhere to th
36. Various Scott Receivers SCOTT SAFETY Installation Checklist Figure 14 Connection for 3 Wire Shield 1010 30 VDC VDC Power Common RECEIVER To Terminal 2 or 3 ST 48 I O Power Supply Assy 10 0233 2 t 1 1 4 52 HERREN TB1 C8 T Power I O PCB 6 Secure display assembly in place with two 2 thumbscrews 7 Install device cover and tighten 8 Apply power to Receiver P This section provides the Pinouts for the 3 wire connection from the device to various Scott Receivers Controllers Details are provided in the following tables Table 13 for 3 Wire Connection Device to Sentinel 7200 Plus Table 14 for 3 Wire Connection Device to Sentinel 16 Table 15 for 3 Wire Connection Device to Sentinel 6 Table 16 for 3 Wire Connection Device to Series 7400 QuadScan II e Table 17 for 3 Wire Connection Device to Series 7400 Plus Table 13 3 Wire Connection Device to Sentinel 7200 Plus DEVICE SENTINEL 7200 PLUS TB2 PWR TB2 24VDC PWR OUT TB2 Pin3 OUT 4 20 LEL TBI Pinl CHI TB2 Pin4 GND TBI Pin2 087 0044 REV 28 CHAPTER 2 INSTALLATION Table 14 3 Wire Connection Device to Sentinel 16 DEVICE SENTINEL 16 TB2 Pinl PWR EXC ANALOG INPUTS TB2 Pin2 OUT 4 20 TB2 Pin3 OUT 4 20 LEL 1 HI ANALOG INPUTS TB2 Pin4 GND TB1 LO ANALOG IN
37. Web Site Technical Support 116 Wiring Distance Reference Chart IlOVDC 14 18VDC 13 087 0044 REVH SCOTT SAFETY SCOTT SAFETY Monroe Corporate Center P O Box 569 Monroe NC 28111 Telephone 800 247 7257 FAX 704 291 8330 Web www scottsafety com
38. affected personnel Warning Before you begin read and understand the MSDS and warning labels for the calibration gases Failure to do so may result in serious injury or death Table 19 Configuration and Setup Checklist ITEM DETAILS Relays MODBUS RS 485 See Configuring the Relays MODBUS RS 485 Option Option PCB PCB on page 42 Device Configuration See Configuring the Device on page 49 Combustible IR CO Sensor See Configuring the IR CO2 Sensor on page 66 This section describes how to configure the Relays MODBUS RS 485 Option PCB if installed in the device This optional PCB must be configured for use with receiving equipment Details about Discretes Coils Registers Read Write function codes as well as other parameters are provided in the following tables Table 20 for Read Only Discretes Table 21 for Read Write Coils Table 22 for Read Only Registers Table 23 for Floating Point Registers Table 24 for ASCII String Registers Table 25 for Byte Variables Table 26 for Firmware Version Table 27 for Real Value Registers Table 28 for Binary Cal Data Consult the technical documentation provided with the receiving equipment in conjunction with the table provided herein for configuration SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 43 Table 20 Read Rd Only Discretes ASSIGNED CODE ALIAS RD FUNCTION CODE Chan 1 Alarm 1 2001 2 Rd input status
39. and DOWN keys See Figure 45 Figure 45 Cal Span Val Menu SYSTEM CONFIG PG 1 Measuremnet Name 16 Eunits XXXXXXXXXX 10 Zero 096 Eunits Span 100 Eunits Decimal Points 0 Cal Span Val 50 14 Change 50 to 1 using the EDIT key 15 When finished press the EDIT key 16 Press UP and DOWN keys to select the Decimal Points menu option See Figure 46 Figure 46 Decimal Points Menu SYSTEM CONFIG PG 1 Measuremnet Name 16 Eunits XXXXXXXXXX 10 Zero 096 Eunits Span 100 Eunits a Decimal Points Cal Span Val 50 17 Change the Decimal Points value from 0 to 1 using the EDIT key 18 Press the NEXT key to save data 19 Press the NEXT key to exit System Config menu If you are changing from a Scott Combustible Cat bead to a Combustible IR Sensor you must change the sensor s voltage from 5 5V factory preset to 4 25V Access the Technician Only Menus from the Setup Display Menu navigate the cursor to Technician Only and press the EDIT key 20 Navigate to Set Sensor Voltage menu option using the UP and Down keys See Figure 47 Figure 47 Set Sensor Voltage Menu TECHNICAL PAGE 1 Set Balance Set Sensor Voltage Set Gain to UNITY PreAmp Gain Set Select Input Type Sero Cal Val 0 0 21 Press the EDIT key 22 Change the voltage to 4 25 using the DOWN CAL key See Figure 48 SCOTT SAFETY 087 0044 REVH 68 CHAPTER 3 CONFIGURATION AND SETUP Figure 48 Sensor Voltage Screen SENSOR VOLTAGE Vol
40. device using only the conduit Figure 7 Device Mounting Dimensions Stainless Steel 495 126 mm 7 38 188 3 58 90 93 SCOTT SAFETY 087 0044 REVH 20 CHAPTER 2 INSTALLATION Mounting and Wiring This section describes how to mount and wire the Remote Sensor Junction Box for a the Remote Sensor Combustible LEL Sensor Head Junction Box Combustible f your application requires that the sensor be mounted remotely from the device ensure you follow all code and regulatory requirements In a remote application the wiring distance the Max length of the wire from the sensor to the device must to be determined The sensor will not function if you go over this distance The distance is determined based on a few variables For details See Determining Wire Length and Size on page 12 See Device Specifications on page 94 Conduit must be obtained from your local vendor See Figure 8 Sensor type does not affect wiring Figure 8 Remote Sensor Junction Wiring and Mounting Combustible CABLE FROM DEVICE 3 00 95 25 REF 3 63 REF 92 2 8 09 78 49 l 2 22 70 6 CUSTOMER SUPPLIED 3 4 CONDUIT JUNCTION BOX 5 5 8 6V TEST 0 05 VOLTS ____ 5 56 REF 141 22 CAUTION TO PREVENT IGNITION OF HAZARDOUS ATMOSPHERE DISCONNECT CIRCUITS BEFORE OPENING KEEP TIGHT WHEN CIRCUITS ARE A
41. if not avoided could result in death or injury Caution This icon and text indicates a potentially dangerous procedure Instructions contained in the warning must be followed Failure to do so may result in damage to the device This icon and text indicate the possibility of electrostatic discharge ESD in a procedure that requires the reader to take the proper ESD precautions This icon and text designates information of special note SCOTT SAFETY 087 0044 REVH XIV ABOUT THIS GUIDE Related Product Table 2 lists the Scott Safety Family documentation set Documentation Table 2 Scott Safety Documentation Set DOCUMENT NAME PURPOSE DOCUMENT ID N A N A N A 087 0044 REVH SCOTT SAFETY Revision History SCOTT SAFETY Revision History XV Table 3 shows the revision history for this guide providing a description of the changes Table 3 Freedom 6000 User Guide Revision History EVISION CHANGE R A C Initial release e P page D E F Updated content on Span Calibration Gas for IR Sensors Added content on K factors for 5 5 V Scott Cat bead Sensors Added content on K factors for 6V Detector Added Gas Interference data for Toxic E Chem Sensors Added Gas Interference data for Toxic E Chem Rock Solid Sensors Added Registered Trademark logo Updated Company name Added a number of Specifications Added information on ATEX Sensor Head Updated Calibrat
42. is only available when a Relays MODBUS RS 485 Option PCB is installed in the device Otherwise Hardware Not Present displays SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 59 Configuring the Help Menu This section covers the Help Menu Navigate the cursor from the Setup Display Menu to Help and press the EDIT key to access the Help Menu See Figure 35 Figure 35 Configuration Menu Help BRIDGE mA PG 1 System Config Alarm Settings Sensor Information Clock Delays Diagnostics a HELP Help Contains several pages of information describing how to operate the device Press the UP and DOWN keys to navigate through the pages Configuring the LCD Contrast Adjustment Menu This section covers the LCD Contrast Adjustment Menu Navigate the cursor from the Setup Display Menu to LCD Contrast Adjustment and press the EDIT key to access the LCD Contrast Adjustment Menu See Figure 36 Figure 36 Configuration Menu LCD Contrast Adjustment BRIDGE mA PG 2 CONTRAST LCD Contrast Modbus RS485 Port UP DOWN to change Security Technicians ONLY NEXT to EXIT 5 V2 XX e LCD Contrast Adj Allows you to change the contrast of the LCD Display for optimum viewing Configuring the MODBUS RS 485 Port Menu This section covers the MODBUS RS 485 Port Menu Navigate the cursor from the Setup Display Menu to MODBUS RS 485 Port and press the EDIT key to access the MODBUS RS 485 Port
43. on page 117 SCOTT SAFETY Calibrating the Device 93 Calibration Methods section describes the various calibration methods Scott Safety recognizes the potential of the device as a life saving device when operated and maintained correctly As such verifying proper operation of the device in the form of Span Calibration and Zero Calibration is essential to ensure the device performs as intended a potentially hazardous environment The frequency at which Span Calibration and Zero Calibration occur is best determined based on local regulatory standards company policies and industry best practices Scott Safety is not responsible for setting policies or practices Calibration methods include the following Zero Calibration Is performed to establish baseline readings of atmospheres that are known to be free of toxic or combustible gases e Span Calibration Is performed to ensure the device detects target gases within specified operating parameters Span Calibration is the adjustment of the device s response to match a known concentration of gas Sensors can lose sensitivity through normal degradation exposure to high gas concentrations or sensor poisoning Accurate calibration can be achieved only if specific concentrations of the correct gases are used Span Calibration should be performed when a new sensor 1s installed Span Calibration must be performed anytime a Bump Test fails Warning During Calibration
44. on TBI See Figure 17 b For Toxic E Chem Sensor Connect the Positive lead from the Receiver supplying the 4 20mA signal to Pin3 and connect the Negative lead from the Receiver supplying the 4 20mA signal to Pin4 OUT on See Figure 17 SCOTT SAFETY SCOTT SAFETY Installation Checklist 33 Figure 17 4 20mA Connections Isolated 4 20mA Option PCB Shield 10 to 30 VDC VDC Power Supply Common RECEIVER ST 48 Power Supply Eu Assy 10 0233 Lom xc u o a 5 1 1 4 52 manum TB1 EET fs O Iso 4 20 mA Out Power I O Isolated 4 20 mA Option PCB 6 Secure display assembly in place with two 2 thumbscrews 7 Install device cover and tighten 8 Apply power to Receiver 087 0044 REV H 34 CHAPTER 2 INSTALLATION Connecting a This section describes how to connect a Combustible LEL Cat bead 5 5 and 6 0V Combustible LEL and IR 4 25V Sensor Head on the Power I O PCB Cat bead and IH Sensor Heads 1 Unscrew Housing Cover and then loosen the two 2 Thumbscrews remove the LCD to gain access to the internal PCBs 2 Insert the three 3 wires Red Black and White that extends from the Combustible LEL Cat bead and IR Sensor Head through the bottom of the threaded hole of the device 3 Connect Red wire to ACT the Black wire COM and the White wire to REF See Figur
45. other gas detection protection is in place Warning Before you begin read and understand the MSDS and warning labels for the calibration gases Failure to do so may result in serious injury or death Warning Local alarms are Inhibited in the device while in Calibration Mode that is a time delay set to prevent unwanted alarm trips Verify the environment is clean and free of hazardous gases and toxins or have monitoring performed by another device prior to calibrating Failure to do so could lead to injury or death Inhibit Time is adjustable using the Cal Purge Second parameter See Configuring the Clock Delays Setup Menu on page 57 Combustible LEL Sensors shipped with the device are calibrated at the factory However Spare Combustible LEL Sensors must be calibrated prior to use Toxic E Chem Sensors shipped with the device are calibrated at the factory using a simulator Verify that Spare Toxic E Chem Sensors are calibrated prior to use This section describes the various calibration Hookup Options There are two 2 Hookup options for Calibrating Combustibles LEL for both Zero Calibration and Span Calibration They are Using the Combustible LEL Calibration Adapter Using the Calibration Port on the Sensor Head Figure 52 shows the required equipment for both Hookup options SCOTT SAFETY Calibrating the Device 91 Figure 52 Combustible LEL Calibration Hookup Methods Table 32 lists the required e
46. setscrew on Outer Guard Flame Arrestor 7 Apply Power to the device and allow a minimum of 10 minutes for the Combustible LEL Sensor to warm up After installing replacing either a Combustible LEL or Toxic it needs to Balanced and Calibrated See Set Balance Procedure after Installing New Sensor on page 64 See Calibrating the Device on page 80 087 0044 REV H SCOTT SAFETY Chapter 3 SCOTT CONFIGURATION AND SETUP SAFETY Chapter Overview This chapter covers the following topic e Configuration and Setup Checklist e Configuration Defaults SCOTT SAFETY 087 0044 REV H 42 CHAPTER 3 CONFIGURATION AND SETUP Configuration and Setup Checklist Configuring the Relays MODBUS RS 485 Option PCB 087 0044 REVH This section provides the configuration and setup requirements Table 19 lists the individual items Warning Configuration should be performed by trained individuals who have read this manual and understand the calibration procedures Failure to follow these instructions may result in serious injury or death Warning When the primary device is off line ensure you have another online device to actively detect gases The device may be off line due to such activities like but not limited to calibration installation maintenance troubleshooting configuration wiring and other activities Warning When settings are changed ensure those changes are communicated to all
47. to confirm a Raw Min Cts 248 NEXT to continue Raw Max Cnts 546 Filter Rate 45 e Set Balance Adjusts sensor balance upon new installation This adjustment should only be made with a free atmosphere or Zero Gas applied to the Sensor and requires the Sensor to have power applied for sufficient warm up Not available for Toxic E Chem Sensors Caution Do not use Sensor Balance to calibrate Sensors Use only when a new Sensor has been installed Failure to do this can result in poor sensor performance gt SCOTT SAFETY 087 0044 REVH 64 CHAPTER 3 CONFIGURATION AND SETUP 087 0044 REVH Set Balance Procedure after Installing a New Sensor This section covers the steps to Set Balance after a New Sensor is installed 1 Press EDIT key to enter configuration screen menus 2 Press the DOWN key to navigate to the Technician Only option and press EDIT 3 Enter the Key Sequence asked for on the screen to access the menu by pressing the UP key four 4 times 4 Verify the cursor is pointing to the Set Balance option and press EDIT A brief warning screen flashes on the LCD then displays the Sensor Balance screen 5 clean atmosphere is not available use the Calibration Adapter to apply Zero gas at a rate of 0 5 liters per minute LPM and wait approximately 5 minutes for stabilized readings See Calibrating the Device on page 80 6 Use the UP and DOWN keys to adjust the Sensor Balance to a reading of zero 7 P
48. 0 to 100 volume 0 to 100 LEL equivalent Methane Measuring Range Hydrocarbon Measuring To final zero 2 FSD 1 minute 2220 C 68 F ambient T90 lt 30 68 20 ambient Zero Repeatability 1 FSD 20 C 68 F ambient Span Repeatability 2 FSD 20 C 68 F ambient Long Term Zero Drift 1 FSD per month 20 C 68 F ambient max 3 FSD per year 4 0 to 122 F 20 to 50 C 0 to 90 RH Non Condensing 4 0 to 122 F 20 to 50 C Response Time Operating Temp JF d lt a q c d Storage Temp IR Carbon Dioxide Sensor Operating Voltage 4 25VDC Operating Current Constant current operation current range 75 to 85mA Measuring Range 0 to 5 volume CO 2 FSD 20 C 68 F 1 bar pressure applied gas 2 5 volume Operating Temp 4 0 to 122 F 20 to 50 C 0 to 90 RH Non Condensing 4 0 to 122 F 20 to 50 C Accuracy Storage Temp as 5 y e x IR Propane Sensor 3 0 to 5 0VDC Constant current operation current range 75 to 85mA Operating Voltage Range Operating Current Methane Measuring Range 0 to 5 volume up to 0 to 100 volume SCOTT SAFETY 087 0044 REV 98 APPENDIX A SPECIFICATIONS Table 41 Combustible LEL IR and Cat bead Sensors Specifications continued COMBUSTIBLE LEL IR AND CAT BEAD SENSOR SPECIFICATIONS Hydrocarbon Measuring 0 to 100 LEL equivalent Range Warm Up Tim
49. 02 Chan 1 Cal Span Real 41003 Chan 2 Cal Span Real 41023 SCOTT SAFETY 087 0044 REVH 48 CHAPTER 3 CONFIGURATION AND SETUP Table 27 Real Value Registers continued HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE Chan 2 Cal Span Divisor 41024 3 Rd holding register Chan 2 Zero Real 41025 Chan 2 Zero Divisor 41026 Table 28 Binary Cal Data HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE Chan 1 A D MIN 41041 3 Rd holding register Chan 1 A D 41042 Chan 1 D A MIN 41043 087 0044 SCOTT SAFETY Configuration and Setup Checklist 49 Configuring the This section covers the various configuration parameters for the device Device device configuration variables selected via the menu screens and those variables are stored in its Non Volatile Memory NV EEPROM Many menu items contain default values from the factory and require changes to better match your applicable application Although similar some menu items vary between devices with a Toxic E Chem Sensor Head and those with a Combustible LEL Sensor Head A device may be configured using the supplied pocket magnet screwdriver and the four 4 navigation keys in approximately 5 10 minutes Figure 28 shows the configuration menu structure of a device equipped with a Combustible LEL Sensor Head The configuration menu structure does vary somewhat for a Toxic E Chem Sensor Head To enter the Combustible
50. 16 TB2 Pinl and Pin4 are connected internally as are TB2 Pins2 and Pin5 SCOTT SAFETY Installation Checklist 31 Figure 16 MODBUS Connections Relays MODBUS RS 485 Option RS 485 MODBUS Master T Assy 10 0234 ST 48 Alarm ModBus Option 10 2 3 _____ 4 5 e z 8 2 9 1 4 next RTU 71 i 2 es es ee J 7 When powered up assign unique RTU address to each of the devices on the MODBUS Network using the MODBUS Setup menu See Configuring the MODBUS RS 485 Port Menu on page 59 SCOTT SAFETY 087 0044 REV 34 CHAPTER 2 INSTALLATION Connecting the Isolated 4 20 Output Option PCB 087 0044 REV H This section describes how to connect the Isolated 4 20mA Option PCB order to isolate the Power Supply from the Output Loop An Operating Voltage of 10 30VDC is necessary from the Power Supply to correctly power the device Verify that the 14 wire ribbon cable is connected properly The device ships with a 14 wire ribbon cable connecting the Display CPU PCB to the Power I O PCB is made between connectors S3 and S2 respectively Warning Ensure there is no power coming from the Receiver when installing wire to the device Failure to do so could result in injury or death See Determining Wire Length and Size on page 12 For determining appropriate wire length and AWG for
51. 1ppm on a H S sensor Table 46 Gas Interferences For Toxic E Chem Sensors 2 of 3 INTERFERENCE CH SH CH CL CH L Sensor 7 0 3 2 Type 0 05 0 08 ep or fo ee n 55 pis os T jenes 31 Em 11 4 _ ____ __ _ j j d WA 1 1 mo 111114 14 rre 110 114 m mum 1 1111111 111 No pas mw pnm Lo p p _ L1 lp spree SCOTT SAFETY 087 0044 REVH 110 APPENDIX SENSOR INFORMATION Table 46 Gas Interferences For Toxic E Chem Sensors 2 of 3 continued INTERFERENCE HCN ad een ae es a L 1 4 For each sensor type the table shows how of an Interference Gas appears that specific sensor type For example CO appears as less than 0 1 on a H S sensor Table 47 Gas Interferences For Toxic E Chem Sensors 3 of 3 ans TEOS Sensor NH 0 05 0 5 0 5 0 1 WU p AsH 0 02 0 2 0 2 0 5 0 03 0 17 So sa 1 paj pof f o B e mu _
52. 5V to get the amount of Voltage Loss that can occur 2 75V Last multiply the Max Loss that can occur 2 75V by 1000 and divide the answer by the expected Voltage Loss per 1000Ft 66V See Figure 5 Figure 5 Maximum Wire Distance Formula Maximum Wire Distance 2 75 1000 66 Maximum Wire Distance 2750 66 Maximum Wire Distance 4167 67 Feet For a Typically distance between the device and a Remote Sensor See Device Specifications on page 94 This value is based on the variations in Resistance of Wires Sizes Type and Makes Caution Always measure the Voltage at the Sensor using a Test Socket Adapter to verify the proper voltage Use the formulas provided only to help plan the installation do not rely on formulas to verify installation has occurred properly SCOTT SAFETY Installation Checklist 17 Installation Checklist This section provides the installation requirements Table 12 lists the individual items Warning Only qualified personnel should perform the installation according to applicable electrical codes local regulations and safety standards Failure to do so could result in injury or death Qualified personnel as defined according to local county state federal and individual company standards Warning Ensure the atmosphere is free from combustible and or toxic gases prior to starting any of the procedures Table 12 Installation Checklist ITEM DETAILS The Aluminium Device See Mounting the
53. 5X Ambient temperature 40 C to 85 Gas detector must be mounted in an certified Ex d or Ex e enclosure and mounting must ensure grounding of gas detector x EN 60079 0 Applicable CE 9 II 2G Ex d IIC T5 Gb DNV 10 ATEX 85337 Ambient temperature 40 C to 70 C FOR COM BUSTIBLE LEL DETEC TION SYSTEM UL 1203 Applicable N A v CSA C222 US No 30 M1986 Class I Groups A D Ambient temperature 20 C to 40 C To reduce the risk of ignition of hazardous atmospheres calibration port shall be tightly closed with plug during operation Disconnect the device from the supply circuit before opening enclosure Keep tightly closed when in operation 087 0044 REVH ABOUT THIS GUIDE 087 0044 REVH Table 4 Certifications and Approvals continued Freedom 6000 Class I Division 1 Groups A D Ambient temperature 40 C to 60 C Temperature Code T5 Freedom 6000S Class I Division 1 Groups B D Ambient temperature 40 C to 60 C Temperature Code T5 Sb Class I Division 2 Groups B D Temperature Code T6 FOR TOXIC E CHEM DETEC TION SYSTEM FOR COM BUSTIBLE LEL SYSTEM Applicable Applicable FOR COM BUSTIBLE LEL SENSOR HEAD SPECIFIC DIRECTIVES STANDARDS UL 1203 4th Edition CSA 22 2 No 30 M1986 Edition UL 916 4th Edition CAN CSA N A Standard C22 2 No 0 91 CSA Standard C22 2
54. 7994 Duct Mount Adapter Round 40007994 1 for 6 to 8 Diameter Ducts 5 5V Combustible Cat bead Sensor 40011528 Standard 5 5V Combustible Cat bead Sensor 40011211 Poison Resistant red rim 6 0V Combustible Cat bead Sensor 8000 8050 087 0044 REVH SCOTT SAFETY SCOTT SAFETY Table 51 Applicable Parts List continued Parts List 119 CATEGORY ITEM DESCRIPTION PART NUMBER Combustible 4 25V e2V Combustible Cat bead LEL Sensor continued 4 25V IR Methane Combustible Sensor 4 25V IR Propane Combustible Sensor 4 25 IR CO Combustible Sensor 4 25 IR Reprogrammed Combustible Sensor using Propane Sensor 01 Ethane 02 Propylene 03 Methanol 05 Acetone 06 Ethylene Combustible Head Assembly ATEX approved Accepts Combustible 5 5 VDC Cat Bead Combustible 4 25VDC and IR Sensors 3 pins or 4 pins Outer Flame Arrestor ATEX Splash Guard ATEX Black Nylon Only Flame Arrestor Guard ATEX 093 0524 093 0500 093 0515 093 0536 096 3368 0X 096 3376 073 0336 074 0515 073 0332 087 0044 REVH 120 APPENDIX SUPPORT 087 0044 REVH Table 51 Applicable Parts List continued CATEGORY ITEM DESCRIPTION PART NUMBER Outer Guard Assembly 096 3379 0X 01 with Splash Guard 02 03 INMETRO with Splash Guard O Ring EPDM 3 16 IDx7 16 W 009 0052 ATEX 40012040 Combustible LEL continued Remote Sensor Junction Box
55. AFETY Sensor K Factors 105 Table 43 K Factors for 5 5V Combustible Cat bead Sensors continued P N PN go012111 GAS VAPOR STANDARD RESISTANT Methyl Ethyl Ketone a Mineral Spirits _ E opens opens Pepe Pople Migrate 087 0044 REVH 106 APPENDIX SENSOR INFORMATION Table 44 K Factors for 6 0V Combustible Cat bead Sensor P N 8000 8050 GAS VAPOR Acetone Acetylene C H Acrylonitrile C4H4N 0 97 Ammonia 0 7 1 3 Butadiene C4H 1 5 Butane C H 1 1 Cyclohexane C H 1 2 Dichloropropane C4H4CL 1 5 Difluoromethane Ethane C H Ethyl Alcohol C H O 1 9 OR Mereen e 1 1 Styrene 087 0044 REVH SCOTT SAFETY Gas Interferences 107 Gas Interferences There are known gas interferences to a limited number of chemical compounds Scott Safety attempts to identify possible gas interferences to which gas sensors may be exposed however not all chemical compounds that presently exist have been tested Table 45 Table 46 Table 47 for Toxic E Chem Sensors and Table 48 Table 49 Table 50 for Toxic E Chem Rock Solid Sensors provides known toxic gas interferences Table 45 Table 46 Table 47 and Table 48 Table 49 Table 50 does not show nor should it be impli
56. Aluminum Device on page 18 The Stainless Steel Device See Mounting the Stainless Steel Device on page 19 Remote Sensor Junction See Mounting and Wiring the Remote Sensor with a Combustible LEL Junction Box Combustible on page 20 Sensor Head Test Socket Adapter for See Using a Test Socket Adapter on Combustible page 21 Remote Sensor Junction See Mounting and Wiring the Remote Sensor with a Toxic E Chem Junction Box Toxic on page 22 Sensor Head Duct Mount Adapter for See Mounting a Combustible LEL Sensor Combustible LEL Sensor Head Using a Duct Mount Adapter on Head page 24 Duct Mount Adapter for Toxic See Mounting a Toxic E Chem Sensor E Chem Sensor Head Head Using a Duct Mount Adapter on page 25 Connections from the VDC See Connecting the Device to the Power Power Supply and the Supply and a Receiver on page 26 4 20mA Receiver to the Device Connections from the Device See Connecting from the Device to Various to Various Scott Receivers Scott Receivers on page 27 Controllers Relays and Remote Alarm on See Connecting Relays amp Remote Alarm the Relay MODBUS R S 485 Reset Relays MODBUS RS 485 Option Option PCB on page 29 Isolated 4 20mA Output See Connecting the Isolated 4 20mA Output Option PCB Option on page 32 Combustible LEL Cat bead See Connecting a Combustible LEL and IR Sensor Heads Cat bead and IR Sensor H
57. FETY SCOTT SAFETY Planning for Installation 9 Table 7 Gas Density Relative to Air and CAS No Combustibles LEL GAS vue ss oko 8 Caron Monoxide CO S95 oare Note Vapor densities Air 1 0 atmosphere 25 C Therefore values lt 1 raise and values gt 1 sink 087 0044 REVH 10 CHAPTER 2 INSTALLATION 087 0044 REVH Table 8 Gas Density Relative to Air and CAS No Toxic E Chem SYBOL _ Ammonia _ s _ Methylene Chloride CH Cl 75 09 2 N A Methyl Iodide 74 88 4 N A Nitrogen Trifluoride 2 5 20 C Note Vapor densities Air 1 0 atmosphere 25 C Therefore values lt 1 raise and values gt 1 sink Potential Gas Sources The location and nature of potential vapor gas sources e g pressure amount source temperature and distance need to be assessed Locate the device where air currents are most likely to contain the highest concentration of escaping gas SCOTT SAFETY Planning for Installation 11 Ambient Temperature Ensure that the device 1s located within an area that complies with the specified operating temperature range See Specifications on page 93 e Vibration Mount the device in a manner that minimizes vibration Gasrelease temperature Evaluate the behavior of the gas when it is cooled or heated when released For example some heated heavier than air gases such as hydrogen sul
58. Filter Rate Allows selection of the rate of gas detection The range is 4 to 44Seconds 45 Faster Time and 44S Slower Time Filter Rate is not available for Combustible LEL Sensors This section covers the configuration for a IR CO Sensor 1 Press the EDIT key 2 Press System Config menu option See Figure 42 Figure 42 System Configuration Screen BRIDGE mA PG 1 a System Config Alarm Settings Sensor Information Clock Delays Diagnostics HELP lt 3 Press EIDT key 4 Navigate the cursor to the EUNIT menu option using the DOWN CAL key See Figure 43 Figure 43 Eunits Menu SYSTEM CONFIG PG 1 Measuremnet 16 Eunits 10 Zero 0 Eunits Span 100 Eunits Decimal Points Cal Span 50 Press EDIT key Press NEXT key to scroll to the LEL menu option 5 6 7 Change LEL to V V volume using either the UP or DOWN keys 8 When finished press the EDIT key 9 Press the DOWN CAL key to select the Span menu option See Figure 44 Figure 44 Span Menu SYSTEM CONFIG PG 1 Measuremnet Name 16 Eunits 10 Zero 0 Eunits gt Span 100 Eunits Decimal Points Cal Span Val 50 10 Press the EDIT key 11 Change the Span value from 100 to 5 using the UP and DOWN keys 12 When finished press the EDIT key SCOTT SAFETY Configuration and Setup Checklist 67 13 Select the Cal Span Val menu option using the UP
59. HE SALE OR USE OF SCOTT PRODUCTS AND NO OTHER FIRM OR PERSON IS AUTHORIZED TO ASSUME ANY SUCH LIABILITY SCOTT SAFETY Product Information 125 Product Information For general information on our products refer to our Web site e http www scottsafety com SCOTT SAFETY 087 0044 REVH 126 APPENDIX SUPPORT 087 0044 REVH SCOTT SAFETY SCOTT INDEX SAFETY Symbols 10VDC Wiring Distance Reference Chart 14 18VDC Wiring Distance Reference Chart 13 30 Minute Graphical Display LCD 77 3 Wire Connection Device to Sentinel 16 28 Device to Sentinel 6 28 Device to Sentinel 7200 Plus 27 Device to Series 7400 Plus 28 Device to Series 7400 QuadScan 28 Power Supply and Receiver 27 4 25V Combustible LEL Sensor Assembly 38 4 25V IR Combustible LEL Sensor Assembly Alignment 39 4 20mA Connections Isolated 4 20mA Option PCB 33 5 5V Cat bead Combustible LEL Sensor Assembly Alignment 40 5 5V Combustible Cat bead Sensors K Factors 104 6 0V Cat bead Combustible LEL Sensor Assembly Alignment 40 6 0V Combustible Cat bead Sensor K Factors 106 A Alarm Settings Configuration Menu 54 Approvals and Certifications xvii ASCII String Registers MODBUS 45 ATEX Approved Combustible LEL Sensor Assembly 39 B Binary Cal Data MODBUS 48 Byte Variables MODBUS 46 SCOTT SAFETY Certifications and Approvals Checklist Configuration and Setup 42 Installation 17 ClassI Division2 Toxic E Chem Sensor Head A
60. L Indicates an new alarm condition when Red LED Flashes See Caution This LED functions in tandem with equipment configured below to Relay K3 To acknowledge this alarm press RESET UP key and this LED changes from flashing to solid Note This LED functions regardless of whether the Relays MODBUS RS 485 Option PCB is installed ALM2 Indicates an new alarm condition when Red LED Flashes This LED functions in tandem with equipment configured to Relay K2 To acknowledge this alarm press RESET UP key and this LED changes from flashing to solid Note This LED functions regardless of whether the Relays MODBUS RS 485 Option is installed ALMI Indicates an new alarm condition when Amber LED Flashes This LED functions in tandem with equipment configured to Relay K1 To acknowledge this alarm press RESET UP key and this LED changes from flashing to solid Note This LED functions regardless of whether the Relays MODBUS RS 485 Option is installed Caution Though fully configurable to the same alarm levels available to Alarm and Alarm2 Alarm3 always with missing or failed sensors An alarm from Alarm3 or Relay K3 can be caused by level set points or by a missing or failed sensor Always verify the reason for alarms 087 0044 REVH SCOTT SAFETY Operating the Device 77 Figure 50 Combustible LEL Toxic E Chem Setup Display o ALM 2 FAIL BRIDGE mA PG 1 System Config
61. LEL Sensor The Combustible LEL Sensor ships separate from the device and must be installed Additionally it should be replaced as the need arises When installing a new Combustible LEL Sensor Cat bead or IR you must Balance and set the Gain prior to Calibrating the Sensor When installing a previously removed sensor that has already had the Balance and PreAmp Gain set only perform a Zero and Span Calibration For example removing installed sensors for testing or calibration when reinstalled do not require Balance or PreAmp Gain adjustments Warning The device is not actively monitoring target gases when power is removed Verify atmosphere is safe or monitor atmosphere with another device while installing a new sensor to prevent risk of injury or death Caution Install sensor only in a clean atmosphere that is free of background gas lfa clean atmosphere is not available Zero Gas must be used when performing Sensor Balance Failure to do so can prevent accurate adjustment of Sensor Balance Removing power is not required when installing replacing a Combustible LEL Sensor Follow local procedures and safety regulations 1 Loosen setscrew on the Outer Guard Flame Arrestor 2 Unscrew and remove Sensor Head to gain access to Combustible LEL Sensor 3 Remove Combustible LEL Sensor See Figure 22 Figure 23 and Figure 24 Combustible LEL Sensors come in different Voltages 087 0044 REV H 38 CHAPTER 2 I
62. LIVE SS 3 4 3 4 3 09 78 49 1 A RED ACTIVE SENSOR C BLACK COMMON SENSOR SIGNAL R WHITE REFERENCE SENSOR Veo ense 6 NU oS FRONT VIEW 1 31 DIA SIDE VIEW COVER REMOVED 33 3 FRONT VIEW The Remote Sensor Junction Box Combustible is Classl Groups C D approved 087 0044 REVH SCOTT SAFETY Installation Checklist 21 Using a Test Socket This section describes how to use the Test Socket Adapter to measure the Voltage at Adapter the Remote Sensor Combustible LEL Head Voltage to the Remote Sensor at the Combustible LEL Head must be at the correct voltage to work properly When the device 1 remote in relation to the Remote Sensor Head you must determine the proper wire length and size so the proper Voltage gets from the source to the destination If the proper Voltage is not at the destination then the device or the Remote Sensor Head will not function properly This 1s referred to as Voltage Loss Therefore you need to measure the Output Voltage at the Remote Sensor To measure the Output Voltage at the Remote Sen
63. NSTALLATION Figure 22 Combustible LEL Sensor Assembly 4 25V Sensor Head Sensor Outer Guard Flame Arrestor Figure 23 Combustible LEL Sensor Assembly 5 5V Sensor Head Sensor Outer Guard Flame Arrestor The Outer Guard and Flame Arrestor is actually combined into one item for the Combustible LEL Sensor Assembly as shown in Figure 23 The 5 5V Sensor may be used with either the UL or ATEX Sensor Head As shown in Figure 23 and Figure 24 087 0044 REVH SCOTT SAFETY SCOTT SAFETY Installation Checklist 39 Figure 24 Combustible LEL Sensor Assembly ATEX Approved Outer Flame Flame Arrestor Splash Sensor Head Sensor Atrestor Guard Guard Figure 24 shows the Combustible Sensor Assembly that is ATEX approved Note that any Sensor may be used 4 Install new Combustible LEL Sensor in place aligning Pins to Receptacles See Figure 25 Figure 26 and Figure 27 Figure 25 Combustible LEL Sensor Assembly Alignment 4 25V IR 3 Receptacles Sensor Head 3 Alignment Pins Sensor 087 0044 REV 40 CHAPTER 2 INSTALLATION Figure 26 Combustible LEL Sensor Assembly Alignment 5 5V Cat bead 2 Receptacles 2 Alignment Pins 25 2 Alignment Pins Sensor Figure 27 Combustible LEL Sensor Assembly Alignment 6 0V Cat bead 7 Total Receptacles 7 Total fu Alignment Pins S Replace protective Outer Guard Flame Arrestor 6 Tighten
64. OWN EDIT A gt SCOTT SAFETY SCOTT SAFETY Operating the Device 75 Table 31 LCD Items and Descriptions REFERENCE NUMBER ITEM DESCRIPTION 1 RESET UP Key is used to navigate between LCD configuration screens with the magnetic pocket screwdriver UP key maneuvers the Arrow Cursor Individual items such as a numerical value or ASCII characters are changed using the UP key to change the character Where applicable display menus and display information is continued on a second display This is indicated by the up or down Arrow along the right side Navigate between displays by pressing UP to navigate the Arrow to the next display RESET key is pressed to acknowledge an alarm and the LED changes from flashing to solid It 1 used in conjunction with ALM1 ALM2 and FAIL LEDs 2 DOWN CAL Key is used to navigate between LCD configuration screens with the magnetic pocket screwdriver DOWN key maneuvers the Arrow Cursor Individual items such as a numerical value or ASCII characters are changed using the DOWN key to change the character Where applicable display menus and display information is continued on a second display This 15 indicated by the up or down Arrow along the right side Navigate between displays by pressing DOWN to navigate the arrow to the next display CAL key is used to enter Calibration Mode You have 5 seconds to press EDIT to continue or the device times out and returns to the Text and Numerical Display Onc
65. PUTS Table 15 3 Wire Connection Device to Sentinel 6 DEVICE SENTINEL 6 TB2 PWR Pin3 CH1 EXC TB2 Pin OUT 4 20 ECHEM TB2 Pin3 OUT 4 20 LEL 4 IN HI TB2 Pin4 GND Pin2 IN LO Table 16 3 Wire Connection Device to Series 7400 QuadScan 11 TB2 Pin2 OUT 4 20 2 Pin3 4 20 LEL Table 17 3 Wire Connection Device to Series 7400 Plus DEVICE SERIES 7400 PLUS TB2 PWR TB2 24VDC CHI TB2 Pin3 OUT 4 20 LEL TB2 HI CHI TB2 4 GND TB2 LO CHI 087 0044 REV H SCOTT SAFETY Installation Checklist 29 Connecting Relays amp This section describes how to connect the Relays MODBUS RS 485 Option PCB to Remote Alarm Reset the Relays and the Remote Alarm Reset Using these features are optional Relays MODBUS RS 485 Option Relays MODBUS RS 485 Option PCB contains 3 relays K2 and and a Remote Reset Consult Receiver equipment instructions for amplifying information on wiring in addition to what is provided in this manual as various receivers may have additional specific requirements Ensure you have already made the proper connections prior to connecting the Relay MODBUS RS 485 Option PCB See Connecting the Device to the Power Supply and a Receiver on page 26 See Connecting from the Device to Various Scott Receivers on page 27 1 Unscrew the Ho
66. SCOTT SAFETY Appendix SCOTT SPECIFICATIONS SAFETY Appendix Overview This appendix covers the following topics e Device Specifications e Combustible LEL IR and Cat bead Sensor Specifications e Toxic E Chem Sensor Specifications SCOTT SAFETY 087 0044 REV H 94 APPENDIX A SPECIFICATIONS Device Specifications Table 39 lists the device s specifications Table 39 Device Specifications DEVICE SPECIFICATIONS Supply Voltage 10 to 30VDC Power 240mA 24VDC Max with the Relays MODBUS RS 485 Option Consumption PCB and typical 5W Combustible LEL Bridge Sensor 5 76W 24VDC Relays MODBUS 40mA per Relay 120mA total with all RS 485 Option PCB 3 energized 20mA used by MODBUS Current Draw Table 40 details current draw specifications for specific options 24VDC Scott Controllers 1000 Input Resistance Communications MODBUS RS 485 legal address range is 1 to 247 Memory Non Volatile Memory NV EEPROM e Rated for 10 years Ensures configuration parameters retained during power loss 7500 Resistance at nominal 24VDC Cable Lengths From Device to Remote Up to 50 15 25 Sensor Toxic E Chem See Parts List on page 117 Only From Device to Remote Up to 50 15 25cm Max See Parts Junction Sensor Box List on page 117 Toxic E Chem Only From Device to 3500 1067m Typical Varies based on Controller 4to20
67. This section outlines a few variables that should be taken into consideration when selecting a location for mounting the device Each application is unique and needs to be assessed These are only general guidelines Orientation Always mount the device s sensor pointing downwards Caution Never mount the detector in a way that causes the sensor to be pointing upwards Failure to do so can result in poor sensor performance Gas Density Some gases raise and some sink depending on their Gas Density relative to air For gases heavier than air it is recommended that the sensor be installed near the floor In these applications care should be taken to protect the sensors from physical damage For gases that are lighter than air the sensor should be placed near the ceiling above the potential source of the leak as well as at the highest point in the room if it 1s an indoor application For gases with densities equal to air mount as close to potential leak source as practical or near or at breathing level Table 7 provides various gas densities for Combustibles LEL and Table 8 provides various gas densities for Toxic E Chem Ensure you consult the CAS Registry Database cas org for the latest and most current information These tables are for reference only and not meant to be the most update source of information The content of these tables were derived from the CAS Registry Additionally review the applicable MSDS SCOTT SA
68. ables Factors such as air movement gas density in relation to air emission sources gas interferences and environmental variables should be considered when determining the correct device location Air movement by fans prevailing winds exhaust duct strong air flow through a room and convection should be carefully evaluated to determine if a leak is more likely to raise gas levels in certain areas within the facility High air velocities results in inaccurate measurement and reduce sensor life e Distance systems that separate the Transmitter from the Sensor have distance limit specifications Ensure that the application s distance requirements are within specifications and that the appropriate gauge wiring 15 used SCOTT SAFETY 087 0044 REV 12 CHAPTER 2 INSTALLATION Following Electrical This section provides information about adhering to electrical codes when installing Codes the device Warning To avoid an explosion or electrical fire encase the cable connection to the device in conduit The conduit must meet prevailing electrical codes for hazardous area installations which specify conduit sealing explosion proof fittings and special wiring methods Failure to do so could result in injury or death To meet prevailing electrical codes use conduit and all other materials required for electrical wiring in hazardous areas Install wiring according to National Electrical Code NEC Articles 501 517 As supplied the S
69. als for one 1 year from the date of original manufacture by SCOTT SCOTT warrants enclosures supplied with THE PRODUCTS to be free from defects in workmanship and materials for four 4 years from the date of original manufacture by SCOTT SCOTT s obligation under this warranty is limited to replacing or repairing at SCOTT s option THE PRODUCTS or components shown to be defective in either workmanship or materials Only personnel of SCOTT or when directed by SCOTT authorized SCOTT agents are permitted to perform warranty obligations This warranty does not apply to defects or damage caused by any repairs of or alterations to THE PRODUCTS made by owner or any third party unless expressly permitted by SCOTT product manuals or by written authorization from SCOTT To obtain performance under this warranty and as a condition precedent to any duty of SCOTT the purchaser must return such products to SCOTT a SCOTT authorized distributor or a SCOTT authorized service center See Assistance on page 116 This warranty does not apply to any malfunction of or damage to THE PRODUCTS resulting from accident alteration misuse or abuse THIS WARRANTY IS MADE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIEDINCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN ADDITION SCOTT EXPRESSLY DISCLAIMS ANY LIABILITY FOR SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IN ANY WAY CONNECTED WITH T
70. arm status indicted here Bit Name Bit Position CHI ALMI BITO CHI FAULT BIT2 CH2 ALMI BIT4 CH2 ALM2 5 CH2 FAULT BIT6 STATUS 8 K2 STATUS BIT9 K3 STATUS 0 1661 status words bit assignment for system status indicted here 2 ACK BIT14 LOCK BIT15 Chan 1 Sensor Life 31009 4 Chan 2 Sensor Life 31010 16bit signed integer range from 1 to 100 where 1 indicates Cal required 087 0044 REV H SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 45 Table 22 Read Rd Only Registers continued INPUT RD ASSIGNED CODE REGISTER ADDRESS FUNCTION CODE Chan 1 Sensor 31011 4 Temperature Chan 2 Sensor 31012 Temperature I6bit integer range from 1 to 4095 scaled for 55 to 125 Table 23 Floating Point Registers INPUT REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE Note Returned as 15bit plus sign 2s complement with 5 over under range applied Consider over under range when scaling values for display The following equation may be used to determine a value for display Display Val MODBUS Val SpanVal ZeroVal 1 1 ZeroVal SpanVal ZeroVal 05 32767 FP Value Chan 1 3300 4 Rd input register E Chem Sensor Type FP Value Chan 2 33002 LEL Sensor Type Table 24 ASCII String Registers HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE User Info Chan 1 40401 40408 3 Rd holding register User Info Chan 2 40409 40416 16 ASCII chara
71. ation and Setup Checklist 63 Configuring the Technicians Only Menu This section covers the Technicians Only Menu Navigate the cursor from the Setup Display Menu to Technicians Only and press the EDIT key to access the Technicians Only Menu See Figure 41 Figure 41 Configuration Menu Technicians Only WARNING Sensor Balance Combustible LEL Reading 1 Altering Balance Counts 515 resets CAL Contants to Unity Gain ET Up DN to Change EDIT to confirm Next to Exit NEXT to continue BRIDGE mA 2 TECHNICAL PAGE 1 LCD Contrast Adj Enter Key Sequence as Set Balance Modbus RS485 Port to Set Sensor Voltage Security Set Gain to UNITY Technicians ONLY PreAmp Gain Set NEXT key to Exit Input Type 2 ZERO Cal Val See Manual HELP VVVVVV WARNING Previous Calibration will be erased Gain Unity TECHNICAL PAGE 2 EDIT to confirm s Raw Min Cts NEXT to continue Raw Max Cnts WARNING PGA SETUP 25 096 Altering PGA resets 1011 CAL Contants to Reading 100 Unity Gain Up DN to change EDIT to confirm Next to exit NEXT to continue Toxic E Chem Or EC INPUT PG 2 TECHNICAL PAGE 1 LCD Contrast Adj Enter Key Sequence gt Modbus RS485 Port to aes menu Security Set Gain to UNITY Technicians ONLY NEXT key to Exit WARNING See Manual HELP Previous Calibration will be erased Gain Unity TECHNICAL PAGE 2 EDIT
72. aughter Board is required Except where noted functionality of the device is not affected by the type of Sensor Head installed Standard device features include A Numerical and Graphic Display LCD For quick and easy User Interface UI for access to menus Three Alarm LEDs ALMI ALM2 and FAIL For field equipment alarm levels MODBUS RS 485 RXD and TXD LEDs Indicates active MODBUS 5 485 Communications Only functions when the Relays MODBUS RS 485 Option is installed Multiple Navigation Keys For device configuration calibration and fault analysis without opening the enclosure Non Volatile Memory NV EEPROM Retains all configuration parameters of the device in the event of a power interruption or loss Real Time Clock RTC and Calendar Provides a time stamp capability Thus allows data logging of calibrations and alarm events for recall to the LCD or over the MODBUS 5 485 Serial port CAL MODE Advises when to apply calibration gas Modular Design For easy installation allows multiple Sensor Head Types easy of maintenance and replacement of individual Sensors Compatible Sensors Provides a wide variety of Sensors to accommodate your applicable needs Housings Available in either Aluminium or Stainless Steel SCOTT SAFETY Device Overview 3 Additionally the device may be ordered with either of the following based on your needs An Isolated 4 20mA Option PCB
73. bration gas source gas cylinder permeation device or generator SCOTT SAFETY 087 0044 REV H 122 APPENDIX C SUPPORT Table 51 Applicable Parts List continued CATEGORY ITEM DESCRIPTION PART NUMBER Toxic 1 4 Turn Rain Shield 074 0305 E Chem Provides protection from wet continued weather and hose downs Teflon construction permits use with both reactive such as Hydrogen Fluoride Hydrogen Chloride and Ammonia and non reactive gases Lab tested hole geometry protects sensors from stray water droplets 1 4 Turn Flowcell Assembly 096 2102 Used in sample draw configurations The Teflon baffle prolongs sensor life by reducing air velocity past the sensor face Flowcell Sample Draw Complete 096 3464 gt with two 1 4 tube fitting x 1 8 NPT and 3 Teflon PFA tubing 1 4 OD Used for sample draw applications where mounting the detector in the environment is not feasible Sensor Head ClassI Division2 096 2466 with Window Condensing Humidity Sensor 096 3197 Housing without Window Sensor Connector 093 0097 This black pad provides electrical pathway between the sensor and the sensor housing Toxic E Chem Sensors We offer a very large selection of Toxic E Chem Sensor For specific Part Numbers please contact your Scott sales representative or Scott Safety See Assistance on page 116 087 0044 REVH SCOTT SAFETY Parts List 123 Table 51 Applicable Parts List co
74. ce Ifyou have technical questions or need support e Ifyou need to return a product Contact us using the options provided By E mail scotttechsupport tycoint com By Telephone 1 800 247 7257 When returning a product contact Technical Support to obtain a Return Material Authorization RMA number prior to shipping for service repairs using the contact options 087 0044 REVH SCOTT SAFETY Parts List 117 Parts List Table 51 provides a parts list Some of these items are orderable others are not Table 51 Applicable Parts List CATEGORY ITEM DESCRIPTION PART NUMBER Power I O PCB Bottom PCB 093 0498 Display CPU PCB Top PCB 093 0499 Relays MODBUS RS 485 Option 093 0504 PCB Attaches to back of Display CPU PCB Isolated 4 20mA Output Option 093 0505 PCB Attaches to back of Display CPU PCB 14 Wire Ribbon Cable Between 093 0513 52 and 53 0 5 Regulator 077 0018 18AWG 3 Conductor Braided 069 0080 Shield Cable Lengths as needed Used between Controller and Transmitter 4to20mA SCOTT SAFETY 087 0044 REVH 118 APPENDIX SUPPORT Table 51 Applicable Parts List continued CATEGORY ITEM DESCRIPTION PART NUMBER Combustible Diffusion Sensor Head 096 3349 LEL 6 0V Diffusion Detector 096 2932 UL approved Accepts Combustible 6 0VDC Sensor 7 pins only Filament Detector Guard 096 3363 Weather Shield Assembly 40012041 Duct Mount Adapter Flat 4000
75. cise K Factors when performing a Span Calibration of a combustible sensor See Sensor K Factors on page 104 Verify concentration level matches detection at points of the device and the expiration date of the cylinder has not passed Caution Gas must be applied at a flow rate of 0 5LPM to perform Span Calibration A flow rate either above or below results in a failed or inaccurate calibration SCOTT SAFETY SCOTT SAFETY Calibrating the Device 85 The device can be Span Calibrated using individual calibration gas cylinders that contain one specific target gas for the sensor being calibrated 1 Determine the target calibration gas See Table 35 Different Sensors target different gases Ensure the Span Gas being used is applicable to the Sensor installed Only use Zero Air for Cat bead Sensors Table 35 Span Calibration Gas for IR Sensors TARGET INSTALLED GAS SENSOR CALIBRATION GAS TO BE USED SO LEL 2 50 LEL 2 5 V V Methane Span to 50 LEL Methane Span to 50 Propane 41 LEL Propane riae E oie to 41 LEL 41 LEL Propane Span to 41 LEL 41 LEL Propane Span to 43 LEL Pentane 41 LEL Propane Span to 53 LEL 41 LEL Propane Span to 69 LEL 41 LEL Propane Span to 65 LEL 41 LEL Propane Span to 31 LEL Propane Sensor programmed for specific type gas When not specifically stated otherwise 41 concentration is preferred However any percentage between 25 to 75 may be used 2 From the Da
76. cters 2 per register assigned to the unit identifier as bytes Chan 1 ASCII 40417 40416 3 Reading Chan 2 ASCII 40420 40422 Reading 6 ASCII characters 2 per register reflecting the display readout EUNITS Chan 1 404423 40427 3 Rd holding register EUNITS 2 404428 40432 10 ASCII characters 2 per register assigned to the engineering units as read bytes 087 0044 REVH 46 CHAPTER 3 CONFIGURATION AND SETUP Table 25 Byte Variables HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE PreAmp Gain Chl 40433 3 Rd holding register PreAmp Gain Ch2 40434 2bytes representing PreAmp HiByte and PGA LoByte Settings Table 26 Firmware Version HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE Version 40435 40436 3 Rd holding register 4 ASCII characters 2 per register reflecting the firmware version Table 27 Real Value Registers HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE Note Real values represents float value without the decimal point For example 123 4 returns as 1234 Decimal divisor returns as 1 10 100 or 1000 for decimal position of 1 2 3 or 4 where 123 4 returns the value of 10 087 0044 REV H SCOTT SAFETY Configuration and Setup Checklist 47 Table 27 Value Registers continued HOLDING REGISTER ASSIGNED CODE ADDRESS RD FUNCTION CODE Chan 1 Cal Zero Real 41001 3 Rd holding register Chan 1 Cal Zero Divisor 410
77. d Select either or Bridge mA Cat bead in devices with firmware lower than V2 39 using ON Use a DMM to measure the voltage on the Power I O PCB 1 REF to ACT The common probe should connect to ACT and the positive probe to REF If the voltage is incorrect change the Set Sensor Voltage configuration Ensure it matches the Voltage specified for the Sensor installed The options are For IR Sensors 4 25V For Cat bead Sensors Either 5 5V 4 25V or 6 0V based on the Sensor installed Ensure the Sensor s Pins are properly seated into the Sensor s Receptacles Use a DMM to measure the voltage on the Power PCB COM to ACT The common probe should connect to ACT and the positive probe to COM This should be approximately half the Sensor Voltage If seating is correct then replace the Sensor If the voltage measurement is correct then replace the Power I O PCB Loosen the Outer Guard to reduce the amount of pressure on the Sensor Connector Change out the Sensor Connector Ensure correct Endcap 15 used two different sizes exist SCOTT SAFETY SCOTT SAFETY Troubleshooting the Device 91 Table 38 Troubleshooting Matrix continued SYMPTOM CAUSE SOLUTION Device does not 1 respond to Span Gas Device Zero Drifts Device s output is continuously negative LCD is blank although the device is producing an output signal LCD indicates OVERRANGE
78. d Round version See Figure 12 For use only with devices configured for remote sensor Additional site specific mounting arrangements should be considered for weight bearing purposes when using a Remote Sensor Junction Box For weight details See Device Specifications on page 94 Figure 12 Duct Mount Adapter Mounting Combustible LEL Sensor Head CLEARANCE HOLES FOR 10 BOLT 4 HOLES EQUALLY SPACED WHITE REFERENCE SENSOR BLACK COMMON SENSOR SIGNAL RED ACTIVE SENSOR DIFFUSION DETECTOR SHOWN FOR REFERENCE 0 048 18 GA STEEL 2 ZINC PLATED GAS CALIBRATION PORT 3 487 0 125 DUCT MOUNT 50 ADAPTER PLATE a 40007994 FULLY WELDED 61 700 DETECTOR DUCT MOUNTING 01 350 295 6 221 62 750 BOLT CIRCLE SENSOR MOUNTING PLATE ZINC PLATED STEEL EQUALLY SPACED WITHIN 0 010 0 180 THICK 3 487 0 125 087 0044 REV SCOTT SAFETY Installation Checklist 25 Mounting Toxic This section covers the mounting of a Toxic E Chem Sensor Head using a Duct E Chem Sensor Head Mount Adapter Using a Duct Mount 0 Adapter This mounting method allows the monitoring of airflow in exhaust or ventilation ducts without drying out the device s sensor For details on Flow Velocities and Duct compatibility See Device Specifications on page 94 The Duct Mount Adapter comes in a Flat a
79. dates may be reviewed by scrolling with the UP DOWN keys Input Type Displays sensor type New Sensor Displays the date when a new sensor was last installed e Recent Cal Displays the most recent calibration date SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist S Configuring the Clock Delays Setup Menu This section covers the Clock Delays Setup Menu Navigate the cursor from the Setup Display Menu to Clock Delays and press the EDIT key to access the Clock Delays Setup Menu See Figure 33 Figure 33 Configuration Menu Clock Delays Setup Bridge mA PG 1 CLOCK DELAY SETUP System Config gt Time 11 23 45 Alarm Settings Date 08 12 08 Sensor Information Warm Up Sec 100 3 Clock Delays Cal Purge Sec 100 Diagnostics HELP The device comes with a Clock amp Calendar The Time and Date must be set to correctly match its location They are set at the factory in a 24 hour format but may require adjustment to match the location s time amp date after shipment The device s NV EEPROM retains the Date and Time Settings Therefore there is no need to adjust these settings if power is interrupted to the device e Time Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished Date Edit the field by navigating t
80. ded Maintenance Matrix 87 37 aste FX E 88 38 Troubleshooting Matrix 90 39 Device Specifications 94 40 Current Draw at 24VDC with Specific Options 96 41 Combustible LEL IR and Cat bead Sensors Specifications 97 SCOTT SAFETY 087 0044 REV LIST OF TABLES 42 Toxic E Chem Sensors Specifications 100 43 K Factors for 5 5V Combustible Cat bead Sensors 104 44 K Factors for 6 0V Combustible Cat bead Sensor 106 45 Gas Interferences For Toxic E Chem Sensors 1 of 3 108 46 Gas Interferences For Toxic E Chem Sensors 2 of 3 109 47 Gas Interferences For Toxic E Chem Sensors 3 of 3 110 48 Gas Interferences For Toxic E Chem Rock Solid Sensors 1 of 3 111 49 Gas Interferences For Toxic E Chem Rock Solid Sensors 2 of 3 112 50 Gas Interferences For Toxic E Chem Rock Solid Sensors 3 of 3 113 51 Applicable Parts 1 117 087 0044 REVH SCOTT SAFETY SCOTT ABOUT THIS GUIDE 5 T Y Guide Overview SCOTT SAFETY This guide describes the steps required to use the Freedom 6000 This document 15 for gas detection personnel to manage their gas monitoring device This document contains information on i
81. e Assistance on 10 page 116 SENSOR LIN ERR SCOTT SAFETY 087 0044 REV 90 CHAPTER 5 MAINTENANCE Troubleshooting the Device 087 0044 REVH Refer to Table 38 for troubleshooting assistance Warning If the device does not function properly remove from service and mark for maintenance Only use Scott Safety replacement parts Table 38 Troubleshooting Matrix SYMPTOM CAUSE SOLUTION LCD indicates FAULT and FAIL LED Flashes Alarm3 setting incorrect Device is seeing a Negative Value but is not configured to display a Negative Value Xmitter configuration does not match the actual Sensor Type installed Sensor Type configuration does not match actual Sensor Type installed Sensor Voltage configuration does not match required Voltage of the Sensor installed Sensor Pins not properly seated into Receptacles or the Power I O PCB is faulty To much pressure causes the Sensor Connector to create a short Sensor Connector has degraded Incorrect Endcap Check the Alarm3 configuration Ensure that both the Set Point level and the Low Trip are set appropriately Change Track Negative configuration to YES Change the Xmitter configuration Ensure it matches the Sensor Type installed Select either O Toxic or Bridge mA Cat bead in devices with firmware lower than V2 39 using ON Change Input Type configuration Ensure it matches the Sensor Type installe
82. e 18 Figure 18 Combustible LEL Cat bead and IR Sensor Head Connections Sis N ST 48 I O Power Supply Ed MELLE lt I Assy 10 0233 20 Z OW O 1 o 1 2 3 4 52 DQ Ribbon to Display Assy 2 1 C8 C7 m P Black White Power I O PCB If installing a new Combustible LEL Cat bead and IR Sensor Head See Installing Replacing a Combustible LEL Sensor Head on page 37 087 0044 REV H SCOTT SAFETY Installation Checklist 35 Connecting a Toxic This section describes how to connect a Toxic E Chem ClassI Division2 Sensor E Chem Sensor Head Head s 8 Pin Female Straight Line Connector to the Power I O PCB 1 Unscrew the Housing Cover and then loosen the two 2 Thumbscrews and remove the LCD to gain access to the internal PCBs 2 Insert the 8 Pin Female Straight Line Connector that extends from the Toxic E Chem Sensor Head through the bottom of the threaded hole of the device 3 Connect the 8 Pin Female Straight Line Connector from the Toxic E Chem Sensor Head to the 8 Pin Male Connector located on the Toxic E Chem Daughter Board See Figure 19 D Ensure you orient the Female 8 Pin Straight Line Connector properly Pin 8 15 identified on it and on the PCB Figure 11 shows the colored wires for your reference Figure 19 Toxic E Chem Sensor Head Connection Classl Division2 1 ST 48 I O Power Supply
83. e To final zero 2 FSD 1 minute 20 C 68 F ambient T90 lt 30sec 68 F 20 C ambient 1 FSD 20 C 68 F ambient Span Repeatability 2 FSD 20 C 68 F ambient Long Term Zero Drift 1 FSD per month 20 C 68 F ambient max 3 FSD per year 4 0 to 122 F 20 to 50 C 0 to 90 RH Non Condensing 4 0 to 122 F 20 to 50 C Response Time Zero Repeatability Operating Temp Humidity Storage Temp 5 5V and 5 5V Poison Resistant Combustible LEL Sensor Voltage 5 5VDC Current 60mA Max Range 0 to 100 Lower Flammable Limit LFL Combustible Gas Response Time 3Seconds to 63 of Step Change with 50 LFL Hydrogen Applied 6 5Seconds to 63 of Step Change with 50 LFL Methane Applied Operating Temp 40 to 392 F 40 to 200 C Humidity Variation lt 3 Full Scale 0 to 90 RH 4 25 Combustible LEL Sensor 30mV vol Minimum 1 Methane MM NNNM Poison Resistance Silicones H5S Response Time T50 10Sec Linearity Linear up to 3 vol Methane Balance Air _____ 0 to 80 Non Condensing Storage Temp 40 to 131 F 40 to 55 C 087 0044 REVH SCOTT SAFETY Combustible LEL IR and Cat bead Sensor Specifications 99 Table 411 Combustible LEL IR and Cat bead Sensors Specifications continued COMBUSTIBLE LEL IR AND CAT BEAD SENSOR SPECIFICATIONS 6 0V Combustible LEL Sensor Current 220mA Nominal Response Time
84. e boundaries of the graph then use the formula provided See Figure 2 Figure 3 and Figure 4 show resistance per 1000 feet for several AWG wire gauges Remember to double these values since the output is a loop Figure 4 Wiring Distance Reference Chart 10VDC Voltage Drop vs Wiring Distance 420 mA at 10 Temp 85 F Wiring distance consists of hot and and return wire Ohms Foot Values 14 AWG 0 00314 16 AWG 0 00591 BANG 0 AWG 0 00802 Wiring Distance Feet Between Power Supply and Transmitter 4 Power Supply Lead Voltage Drop If wiring requirements fall outside the boundaries of the graph then use the formula provided See Figure 2 Figure 3 and Figure 4 show resistance per 1000 feet for several AWG wire gauges Remember to double these values since the output is a loop This section provides key factors a couple of formulas a few tables of information and an example for determining wiring distance Key factors that must be known to determine the maximum length of wire that can be used include Nominal Output Voltage for the device Resistance of the Wire being used expressed in Ohms 1000Ft Operating Voltage for the applicable Sensor Type being used Maximum Consumption in mA for the Sensor Type being used SCOTT SAFETY Planning for Installation 12 For example assume you need to determine the maximum length of wire Remote Sensor Head with an 4 25V IR Sensor can be mounted from the d
85. e following for your safety Warning Read and follow the entire content of this guide prior to use Failure to do so may result in serious injury or death Warning All individuals who have or will have responsibility for using or testing this product must read and understand the contents of this manual The product will perform as designed only if used and tested in accordance with the manufacturer s instructions Failure to follow manufacturer s instructions will render the warranty and approvals null and void Failure to follow these instructions may also result in serious injury or death Scott Safety can take no responsibility for use of its equipment if it 15 not used in accordance with the instructions If further operational or maintenance details are required but not provided in this guide contact Scott Safety or their agent Scott safety shall not be liable for any incidental or consequential damages in connection with any modifications errors or omissions in this guide pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to assure compliance with documented system data repairs to components should be performed only by the manufacturer Additionally industry standards codes and legislation are subject to change Updated copies should be obtained by users to ensure the most recently issued regulations standards and guidelines are available
86. e in Calibration Mode you select either Set Zero or Span Cal Mode EDIT Key is used to navigate between LCD configuration screens and to display the Combustible LEL or Toxic E Chem Setup Display using the magnetic pocket screwdriver Enables sub levels of menu items Items with sub menus are indicated by the Arrow gt at the end of each line Edit menu items by navigating the cursor to the desired selection and press EDIT Pressing EDIT key displays the Combustible LEL or Toxic E Chem Setup Display The Combustible LEL or Toxic E Chem Setup Display features a Cursor Arrow for navigation and an Arrow indicator denoting Continued Menus See Figure 50 Green LED indicates MODBUS RS 485 communication 485 TXD transmission activity MODBUS Green LED indicates MODBUS RS 485 RS 485 RXD communication activity 087 0044 REVH 76 CHAPTER 4 OPERATION Table 31 LCD Items and Descriptions continued REFERENCE NUMBER ITEM DESCRIPTION Key used to navigate between LCD configuration screens and displays the 30 Minute Graphic Display using the magnetic pocket screwdriver Reverses out of a menu or sub menu to a previous configuration screen Pressing NEXT toggles between the Text and Numerical Display and the 30 Minute Graphic Display The 30 Minute Graphic Display features a dotted line to indicate Alarm Setpoints and a solid line to indicate the 30 Minute History See Figure 51 7 FAI
87. e on the device However changes to these particular configuration parameters are typically not needed e Oj Toxic and Bridge mA These fields allow you to activate what type of sensor is used by the device e Output Zero Trim and Output Span Trim Selections are entries for D A values that determine the device s final 4 20mA output These entries are for precise output measurements Using a mA meter attached to the output being used you are able to define values at 4 00mA Output Zero Trim and 20 00mA Output Span Trim These newly defined D A values are stored by the device as 0 amp 100 full scale endpoints Once entered select the NEXT key to exit this menu See Figure 40 SCOTT SAFETY 087 0044 REV 62 CHAPTER 3 CONFIGURATION AND SETUP Figure 40 Configuration Menu Output Zero Trim and Output Span Trim OUTPUT ZERO TRIM OUTPUT SPAN TRIM 197 D2A COUNTS 990 D2A COUNTS UP DOWN to change UP DOWN to change NEXT to Exit NEXT to Exit Real Time Clock Adjusts date and time settings This supplies the date and time stamp for data logging of events The device comes with Non Volatile Memory NV EEPROM that retains Date Time Settings There is no need to adjust Date and Time Settings if power is interrupted to the device Model Allows you to edit the name of the device Displays Scott F6K Enter the device name using the 10 ASCII character format 087 0044 REV H SCOTT SAFETY Configur
88. each installation 1 Route wires of appropriate AWG from source through conduit runs into the device housing Caution RFI may be generated if wires are not appropriately shielded Protect wires with appropriate shielding practices to prevent negative equipment performance 2 Connect Ground Wire to device s Grounding Screw on its housing and back to the Receivers Ground To prevent Grounding issues ensure you have a good Ground Wire attached to the housing and back to the Receiver s Ground Do not Ground to conduit or steel beams as this creates ground issues 3 Unscrew the Housing Cover and then loosen the two 2 Thumbscrews and remove the LCD to gain access to the internal PCBs 4 Connect Positive and Negative leads from Power Supply wires to TB2 on the Power I O PCB Specifically connect the Positive lead to 1 PWR and the Negative lead to Pin4 GND A blocking diode protects and prevents the device from operating if polarity of the power supply is reversed 5 Connect Positive and Negative leads from Receiver wires to TB1 on the Isolated 4 20mA Option PCB Specifically both the Negative and the Positive connections change based on Sensor type as indicated here a For Combustible LEL Sensor Connect the Positive lead from the Receiver supplying the 4 20mA signal to Pin LEL and connect the Negative lead from the Receiver supplying the 4 20mA signal to Pin2 OUT
89. eads on page 34 Toxic E Chem Sensor Head See Connecting a Toxic E Chem Sensor Head on page 35 Toxic E Chem Sensor Head See Installing Replacing a Toxic E Chem Sensor on page 36 Combustible LEL Sensor See Installing Replacing a Combustible Head LEL Sensor Head on page 37 SCOTT SAFETY 087 0044 REVH 18 CHAPTER 2 INSTALLATION Mounting the This section describes how to mount the Aluminum device Aluminum Device Install the device to a wall or bracket using the Predrilled Mounting Flanges that 15 part of the housing For details on I D and Center dimensions See Device Specifications on page 94 To facilitate wiring to the device enclosure two threaded 3 4 NPT conduit fittings are provided See Figure 6 Do not attempt to mount the device using only the conduit Figure 6 Device Mounting Dimensions Aluminum 5 83 148 mm lt lt 5 28 134 mm 28 D 7 00 mm 087 0044 REVH SCOTT SAFETY Installation Checklist 19 Mounting the This section describes how to mount the Stainless Steel device Stainless Steel Device Install the device to a wall or bracket using the Predrilled Mounting Flanges that 1 part of the housing For details on I D and Center dimensions See Device Specifications on page 94 To facilitate wiring to the device enclosure two threaded 3 4 NPT conduit fittings are provided See Figure 7 Do not attempt to mount the
90. ected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished 087 0044 REVH SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 53 Eunits Engineering Units May have up to a 10 character ASCII field Many common gases have pre configured Eunits based upon the sensor type and each may be edited this menu Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished Zero 0 Defines the reading to be displayed when 4mA 0 is the device output Span 100 Defines the reading to be displayed when 20mA 100 is the device output The highest reading allowed 1s 9999 and includes a negative polarity sign and one decimal point Polarity is only indicated for negative readings Decimal Points Sets the display format of the LCD readings and may be for 0 1 or 2 ZERO readings for 0 1 amp 2 DP s respectively 0 0 0 amp 0 00 Cal Span Value Sets what upscale value must be applied when performing Span calibrations or the calibration concentration of the Cal Gas to be used for Spanning SYSTEM CONFIG PG 2 Readout Deadband Allows forcing low values to continue to read zero This 1 useful when there are small amounts of background gases that cause f
91. ed that no additional interferences may occur These selectivity ratios are used as guides only They are not to be used as calibration factors The gas species actual cross sensitivities may vary from the values shown Key for Table 45 to Table 50 e Zero Indicates tested and confirmed no interferences Blank Indicates not tested Negative Indicates gas produces a negative signal Two values in a cell Indicates initial peak and finish offset unstable or transition gas and should not be used for cross calibration SCOTT SAFETY 087 0044 REV 108 APPENDIX SENSOR INFORMATION Table 45 Gas Interferences For Toxic E Chem Sensor Type i Sensors 1 of 3 p fos fo ewe som e op E aero p pop a 002 eC ee 0 1 HOF T um 22 cue pum s as Ld mas ee 001 0 oa 4 5 ms p e su p qw E m 087 0044 REVH SCOTT SAFETY Gas Interferences 109 Table 45 Gas Interferences For Toxic E Chem Sensors 1 of 3 continued INTERFERENCE BCL CO CLO CLCH CHCL SIH CL For each sensor type the table shows how of an Interference Gas appears on that specific sensor type For example CO appears as less than 0
92. edure to install your Sensor is the same to replace your Sensor 1 To replace a Toxic E Chem Sensor See Installing Replacing a Toxic E Chem Sensor on page 36 N To replace a Combustible LEL Sensor See Installing Replacing a Combustible LEL Sensor Head on page 37 9 Perform Zero Span Calibrations of the device accordance with Zero Calibration See Zero Calibration on page 84 See Span Calibration on page 84 SCOTT SAFETY 087 0044 REVH 88 CHAPTER 5 MAINTENANCE Error Codes Table 37 provides a list of error codes with cause and solutions Errors display on the bottom of the LCD Table 37 Error Codes ERROR CODES CAUSE SOLUTION 01 EUNIT ERR A newly installed sensor was Verify correct sensor has read and the gas type does been installed Accepting not match that of the device s this error by pressing EDIT data causes the device to auto configure using the data stored in the sensor 02 SCALE ERR The sensor was read and the Verify correct sensor has gas range does not match been installed Accepting that of the device s data this error by pressing EDIT causes the device to auto configure using the data stored in the sensor 03 CAL ERR Sensor has a calibration error Perform a full calibration recorded See Calibrating the Device on page 80 04 ZERO CAL FAIL The cal zero sequence failed Check balance on Cat bead due to high offset 1 e sensors See Configu
93. ensor Head wiring 15 already sealed and requires no additional sealing to conform to NEC requirements for explosion proof installations as long as the detector is mounted no further than 18 457 mm from the device NEC Article 501 5 a 1 Determining Wire This section describes various factors that go into determining wire length and its size Length and Size Each device receiver have unique ranges of output voltage and must be adjusted accordingly Refer to their respective manuals When the VDC Power Supply 16 remote in relation to the device or when the device 15 remote in relation to the Remote Sensor Head you must determine the proper wire length and size so the proper Voltage gets from the source to the destination If the proper Voltage is not at the destination then the device or the Remote Sensor Head will not function properly This is referred to as Voltage Loss and must be planned for when installing These methods may be used to determine length and size for both VDC Power Supply to the device Device to Remote Sensor Various methods are provided because different situations require different methods This section provides a formula and a couple of reference diagrams for determining wiring distance Figure 2 provides a formula to calculate the maximum wire length that can be used 087 0044 REV H SCOTT SAFETY Planning for Installation 13 Figure 2 Maximum Wire Length Formula D V PowerSupply V Min
94. evice using I8AWG solid uncoated wire First identify the key factors 9 7 0V is Maximum Output Voltage for the device e 7 770hms 1000Ft is the Resistance for 18AWG solid uncoated wire being used See Table 9 e 4 25V is the Operating Voltage for the IR Sensor being used See Table 10 e 85mA is the Maximum Consumption for the Sensor Type being used See Table 11 Table 9 Wire Resistance RESISTANCE 1000FT AWG SIZE AND TYPE OHMS 1000FT 18 solid coated 18 solid uncoated 18 stranded coated 18 stranded uncoated Note Data obtained from the National Electrical Code 2008 edition Resistance values at 167 F 75 C The values shown are valid only for these parameters Actual resistance values should be obtained from wire manufacturer specifications Table 10 Operating Voltages for Sensors SENSOR VOLTAGE 4 25V Cat bead 4 25V SCOTT SAFETY 087 0044 REV 16 CHAPTER 2 INSTALLATION 087 0044 REVH Table 11 Maximum Consumption for the Sensor Type SENSOR TYPE MAXIMUM CONSUMPTION 4 25V Cat bead 60mA 6 0V Cat bead 220mA Next using 5 Law E I R where E Voltage I Current and R Resistance multiply the Max Consumption 85ma and the Resistance 1000Ft 7 77 to determine the Voltage Loss 1000Ft E 085 7 77 66Volts Lost 1000Ft Next subtract the Max Voltage Output of the device 7 0V from the Voltage needed for the Sensor to work 4 2
95. fan for a period of time after the alarm condition clears ow Trip Set to YES causes the alarm to trip as the value falls below the set point atching Set to YES causes the alarm to remain active even after the condition is gone and only reset when the magnetic screwdriver touches RESET UP key from a Display Configuring the Relay Configuration Menu This section covers the Relay Configuration Menu Navigate the cursor from the Alarm Setting Menu to Relay Config and press the EDIT key to access the Relay Config Menu This is only available when Relays MODBUS RS 485 Option PCB is installed in the device Otherwise Hardware Not Present displays e 2 Failsafe Set for YES means the relay de energizes during alarm and energizes with no alarm This 15 useful for signaling alarm when device power 15 lost 1s a FAULT alarm and 1 always failsafe e K2 Acknowledge Set for YES means the RESET UP key sets K2 to the normal state EVEN when an Alarm 2 condition exists This is useful for silencing an audible device driven from K2 during the alarm condition 9 Refresh Set for ON causes an acknowledged Alarm 2 condition to reactivate K2 if it continues beyond the designated Refresh interval This feature ensures against forgotten alarms after an Acknowledge 087 0044 REV 56 CHAPTER 3 CONFIGURATION AND SETUP Combustible LEL BRIDGE mA PG 1 System Config Alarm Settings gt Sensor Info
96. ferences For Toxic E Chem Rock Solid Sensors 2 of 3 m INTERFERENCE Type c CH4OH gt NO U ON NO I gt N S 3 N N bo ON olol m CA Q al E a ee ee ____ For each sensor type the table shows how of an Interference Gas appears that specific sensor type For example CL appears as less than 0 5ppm a CIO sensor 087 0044 REVH SCOTT SAFETY Gas Interferences 113 Table 50 Gas Interferences For Toxic E Chem Rock Solid Sensors 3 of 3 EE eed m For each sensor type the table shows how of an Interference Gas appears on that specific sensor type For example CL appears as less than 0 5ppm on a ClO sensor SCOTT SAFETY 087 0044 REVH 114 APPENDIX SENSOR INFORMATION 087 0044 REVH SCOTT SAFETY Appendix fg SCOTT SUPPORT SAFETY Appendix Overview SCOTT SAFETY This appendix covers the following topics Assistance Parts List Warranty Statement Product Information 087 0044 REV H 116 APPENDIX SUPPORT Assistance Congratulations on your purchase of a Scott Safety product It 15 designed to provide you with years of reliable trouble free servi
97. fide rise when first released but settles as they cool and their density increases above that of air Accessibility Consider future maintenance and calibration requirements ngress and Egress Consider passing traffic areas regarding items like personnel forklifts motor vehicles mobile hoists and the like e Avoid water and condensing humidity Water inside the infrared optics adversely affects performance Avoid mounting in locations where water can collect or splash on the sensor head Scott Safety recommends a rain shield for outdoor installations Electromagnetic Fields Although the device 15 designed to be RFI EMI resistant mounting the device near power transformers walkie talkies or other strong EM fields may cause undesirable results Avoid strong EM fields Use conduit seals and drain loops Explosion proof conduit and other materials required for electrical wiring in hazardous areas should be installed in accordance with National Electrical Code NEC and Canadian Electrical Code CEC requirements All conduit connections should be sealed and contain a drain loop to protect the device electronics from moisture e Avoid direct bold sunlight Scott Safety recommends using a sunshade if the device is mounted in direct sunlight Environmental damage Every effort should be made to protect sensors from environmental damage caused by water snow shock vibration dirt and debris e vari
98. he cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished Warm Up Sec Time delay set to prevent unwanted alarm trips This 15 also referred to as Inhibit Time It inhibits all relays and output signals Based on the application increasing this value allows the device more time to stabilize before taking live readings The maximum time is 255Seconds Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished Cal Purge Sec Time delay set to prevent unwanted alarm trips This is also referred to as Inhibit Time It inhibits all relays and output signals Based on the application increasing this value allows the device to fall below alarm set points to make sure the device does not set off alarms Typically used when performing a Zero Calibration or a Span Calibration procedure The maximum time 1 255Seconds Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished 087 0044 REV 58 CHAPTER 3 CONFIGURATION AND SETUP BRIDGE mA PG 1 System Config Alar
99. ice Scott Safety 4320 Goldmine Road Monroe NC 28110 Telephone 800 247 7257 FAX 704 291 8330 E mail scotttechsupport tycoint com Web www scottsafety com Microsoft Windows Windows 2000 Windows Me Windows XP Windows NT Windows Vista Windows 7 Internet Explorer and MS DOS are either trademarks or registered trademarks of Microsoft Corporation in the United States and other countries Solaris and JAVA are either trademarks or registered trademarks of Sun Microsystems Inc All other products or service names are the property of their respective owners The international transport of this device is regulated under United States export regulations and may be regulated by the import regulations of other countries SCOTT CONTENTS SAFETY CHAPTER 1 CHAPTER 2 SCOTT SAFETY About This Guide Guide Using Scott Safety Electronic xii Guide Conventions xiii Related Product Documentation XV Certifications and Approvals xvii General Safety Information XX Warnings and Cautions Device Use and Warnings and Cautions Sensor Use and Care
100. ion information Added Troubling Shooting information Added Maintenance information Added Index Added Sensor section Updated part number list and added 46 pictures to better identify items Added information on mounting and wiring Remote Sensor Junction Box Rewrote and revised Installation Chapter completely Rewrote and revised Introduction Chapter completely Rewrote and revised Configuration and Setup Chapter completely Rewrote and revised Operation Chapter completely Rewrote and revised Maintenance Chapter completely Rewrote and revised the About This Guide Chapter Added Support Appendix Added Specification Appendix Added Sensor Information Appendix Updated Certifications and Approvals section Enhanced Gas Density table for Combustibles and added table for Toxic and included CAS Numbers in Installation chapter Added Specifications for 53 Toxic Sensors to Specifications Appendix Added drawings and list of equipment for Zero and Span Calibration Added information on Duct Mount Adapters Added information on using the Test Socket Adapter Updated drawings to include current Aluminium and Stainless Steel housings Added Warm Up Sec and Cal Purge Sec maximum values in the Configuration and Setup Chapter 087 0044 REVH ABOUT THIS GUIDE 087 0044 REV H Table 3 Freedom 6000 User Guide Revision History continued REVISION CHANGE About This Guide chapter Updated ATEX Approval for combustible LEL
101. luctuating readouts above zero The highest amount of deadband allowed 1 5 The 4 20mA output is not affected by this menu item Track Negative When set to NO causes negative values to read the 0 value in data displays The CAL MODE readout displays negative values regardless of this setting and negative values below the Fault set point still causes the Fault alarm to trip The 4 20mA output always locks at 4mA when the reading 1 negative Linearization Data Allows nonlinear signals to be linearized by entering the correct curve into the device If Linearize is set for NO the CURVE POINTS menu data is not used and no linearization is applied When YES the CURVE POINT entries are used and a straight line approximation 15 calculated between each of the nine entries 0 input always provides 0 output and 100 input always provides 100 output Access to the linearization data menu requires you to input a key sequence Press the UP key four times when prompted for key sequence Backup Config Allows you to store all of the device s settings into Non Volatile Memory NV EEPROM for restoration later if incorrect values are accidentally entered or uploaded Restore Config Allows you to restore all of the device s settings from the Memory NV EEPROM incase incorrect values are accidentally entered 087 0044 REV 54 CHAPTER 3 CONFIGURATION AND SETUP BRIDGE mA PG 1 System Config s
102. m Settings Sensor Information Clock Delays Diagnostics HELP 087 0044 REV H Configuring the Diagnostics Menu This section covers the Diagnostics Menu Navigate the cursor from the Setup Display Menu to Diagnostics and press the EDIT key to access the Diagnostics Menu See Figure 34 Figure 34 Configuration Menu Diagnostics WARNING DIAGNOSTICS OUTPUT STIMULATOR B Output Stimulation Output 4 0mA ALARM Process will Relay Test be halted during diagnostic mode EDIT to change NEXT to exit EDIT to continue Any other to exit ACTUATE RELAYS a Relay 1 OFF Relay 2 OFF Relay 3 OFF Warning When using the Diagnostics Menus the device is not detecting hazardous gases Thus gas monitoring and alarm processing are not performed When the primary device is off line ensure you have another online device to actively detect hazardous gases Failure to do so could result in injury or death Access to the Diagnostics Menu requires you to input a key sequence Press the UP key four 4 times when prompted for key sequence Output Stimulation Allows you to set the 4 20mA output to a virtual value within the 4 20mA range to verify Receiving Equipment is receiving the correct output from the device Relay Test Allows you to trip optional installed Relays without setting alarm trip points for the target gas This can be used to verify operation of optional alarms lights or audible devices This
103. mA several factors See Determining Wire Length and Size on page 12 and See Parts List on page 117 Duct Mount Flow Velocities 350 to 1000 Ft Minute Compatibility gt Flat Round for 6 to 8 Diameter Ducts Relays Optional Three configurable form C SPDT relays rated for 5A 30VDC 240VAC resistive Relayl Realy2 level alarms are configurable for High or Low trip for normally energized Failsafe or normally de energized and for latching or non latching Relay3 is always normally energized for failsafe operation so loss of power to the device indicates a Fault condition Calibration Both Zero and Span supported 087 0044 REVH SCOTT SAFETY Device Specifications 95 Table 39 Device Specifications continued DEVICE SPECIFICATIONS Housing Combustible Cat bead Aluminium 3 4 NPT Stainless Steel 3 4 NPT Combustible IR Aluminium 3 4 NPT Stainless Steel 3 4 NPT Groups B C D Toxic Aluminium 3 4 NPT Aluminium 3 4 NPT Condensing Humidity Sensor Head Toxic Carbon Dioxide Aluminium 3 47 Stainless Steel 3 4 NPT Dimensions Aluminium Device 5 0Hx5 75Wx5 0 D 12 7Hx14 6Wx12 7Dcm Stainless Steel Device 5 0Hx5 75Wx5 0 D 12 7Hx14 6Wx12 7Dcm Mounting Flanges Aluminium Device ID 0 28 on 5 83 centers 7 00 on Holes 148mm Stainless Steel Device ID 0 312 on 3 58 centers 7 92 on 90 93mm Weight Device 3 59Lbs 1 63Kg Stainless Steel Device 5 79Lbs 2 63Kg
104. mote Sensor Junction Box Allows mounting the Sensor at remote locations for better detection since some gases rise and some sink Duct Mount Adaptor Allows the monitoring of airflow in exhaust or ventilation ducts without drying out the device s sensor Calibration Adaptor Allows direct calibration flow to the sensor face without dilution from environmental interferences such as wind If you have any questions about the device or its operation contact Scott Safety See Assistance on page 116 Figure 1 shows the major parts of the device SCOTT SAFETY 087 0044 REV 4 CHAPTER 1 INTRODUCTION Figure 1 Major Parts mmi mim 1 2 Slits 4 ee eee 2 Eccle mem cuu d ao Li rnm mimi Q2 2505954 Q2 Q2 Q2 29 000 0 4 Q 259506069 2 525955555955 59555069 Q2 e Q2 2 0005000400 SX 25050 e 0050 0 0 0 05050506 D SSSR RRR ICD BOSSI RIK RR IN RRR RRR KKM RK MND 59 050 05050 00 00 050 0 00 00 050 060 0 00 050 050 0500 00 050 050 0500 00 050 0605050604 VIM WML GLY LLL 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 550 9 9 5 te Q2 lt gt 5252 lt gt CX 0905 gt 5506 te e 50 250 50 Q Q2 2 59
105. nd Round version See Figure 13 For use only with devices configured for remote sensor Additional site specific mounting arrangements should be considered for weight bearing purposes when using a Remote Sensor Junction Box For weight details See Device Specifications on page 94 Figure 13 Duct Mount Adapter Mounting Toxic E Chem Sensor Head 1 25 3 5 Round Duct Adaptor Side View _ Flat Duct Adaptor Top View SCOTT SAFETY 087 0044 REVH 26 CHAPTER 2 INSTALLATION Connecting the Device to the Power Supply and a Receiver gt 087 0044 REVH This section describes the installation of the 3 wire connection from the VDC Power Supply and a 4 20mA Receiver for example Scott Controllers or other devices capable of measuring 4 20mA inputs to the device For a the 3 wire connection without any options an operating voltage of 10 30 VDC is necessary from the power supply to correctly power the device Verify that the 14 wire ribbon cable is connected properly The device ships with a 14 wire ribbon cable connecting the Display CPU PCB to the Power I O PCB and is made between connectors S3 and S2 respectively Warning Ensure Receivers and Power Supplies are not powered when installing wire to the device Failure to do so could result in injury or death See Determining Wire Length and Size on page 12 For determining appropriate wire length and AWG f
106. nstallation configuration operation maintenance and troubleshooting This user guide assumes a basic knowledge of gas detection procedures The user guide is divided into the following topics Introduction Installation Configuration and Setup Operation Maintenance Specifications sensor Information Support Warning Read understand and follow the entire content of this guide prior to use Failure to do so may result in serious injury or death 087 0044 REVH ABOUT THIS GUIDE Using Scott Safety Electronic Documents 087 0044 REVH Scott Safety electronic documents are provided as PDF files Open and view them using the Adobe Acrobat Reader application version 3 0 or later If necessary download the Acrobat Reader from the Adobe Systems Inc web site http www adobe com prodindex acrobat readstep html Each provided PDF file offers several ways for moving among the document s pages as follows To move quickly from section to section within the document use the Acrobat bookmarks that appear on the left side of the Acrobat Reader window The bookmarks provide an expandable outline view of the document s contents To display the document s Acrobat bookmarks press the Display both bookmarks and page button on the Acrobat Reader tool bar To move to the referenced page of an entry in the document s Contents or Index click on the entry itself each of which 15 hyperlinked To follow a cross
107. ntinued CATEGORY ITEM DESCRIPTION PART NUMBER Toxic H S 0 to 100PPM Sensor 096 2773 E Chem simulator with Toggle Switch continued OPPM 0 250V 100 0 550 Sensor Keeper 096 2197 Keeps up to 10 Rock Solid E Chem Sensors warm to reduce warm up time on installation Comes with power supply and surge protector Generic Toxic Calibration Kit 096 2748 Includes Carrying Case 0 5LPM Regulator 3 16 ID Tygon Tubing and 1 4 Turn Cal Adapter Note Does not include any Gas Cylinders That must be determined at time of order Toxic E Chem Daughter Board 096 3354 Mounts on the Power I O PCB 2 Screws for Toxic E Chem 076 0204 Daughter Board Note For calibration equipment contact your Scott sales representative Note When placing an order for Toxic E Chem Sensors please specify Part Number to ensure compatibility SCOTT SAFETY 087 0044 REVH 124 APPENDIX SUPPORT Warranty Statement 087 0044 REVH Scott Safety SCOTT warrants the Freedom 6000 TOXIC AND COMBUSTIBLE GAS DETECTOR THE PRODUCTS to be free from defects workmanship and materials for a period of two 2 years from the date of original manufacture by SCOTT This warranty applies to all components of THE PRODUCTS supplied at the time of original sale of THE PRODUCTS EXCEPT accessories and enclosures SCOTT watrants accessories supplied with THE PRODUCTS to be free from defects in workmanship and materi
108. nu See Figure 38 Figure 38 Configuration Menu Security BRIDGE mA PG 2 SYSTEM SECURITY LCD Contrast Adj gt Contact Name Modbus RS485 Port Secure Level LOW gt Security Pass Code Technicians ONLY Unlocked 5 V2 XX Contact Name A 12 character ASCII field available for displaying a phone number or a point of contact who knows the Pass Code Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished e Secure Level Two 2 options are available for the security level LOW allows CAL MODE sensor calibrations but requires the 4 digit Pass Code prior to altering menus HIGH locks the entire menu database and the CAL Mode until the correct Pass Code is entered In either LOW or HIGH security level you may view configuration menus without making changes Pass Code Is a 4 digit pass code to either lock or unlock the security menu Edit the field by navigating the cursor to the field and pressing the EDIT key Use the UP and DOWN keys change the selected character Press the NEXT key to move the cursor to the next character Press the EDIT key when finished Lost pass codes can be recovered by accessing the Locked Security Menu and pressing the UP key for 5 seconds The four digit pass code displays at the bottom
109. nu entry allows the Zero Calibration value to be set for something other than a zero reading For example a device 4 20mA input may represent a BTU Analyzer range of 500 1000 BTU s In this case 0 of full scale equals 500 BTU s and may be the desired zero calibration point Other upscale values may also be used for the Zero Calibration point by setting this menu item to the desired Engineering Unit value Not available for Toxic E Chem Sensors Caution Do not exceed 25 of full scale when adjusting Zero Calibration value Failure to do so could result in poor sensor performance Raw Min Cnts and Raw Max Cnts Menus determine the range of 10 bit A D converter counts that define 0 amp 10096 of full scale Raw Min A D counts create 0 readings and Raw Max A D counts create 100 readings These menus are for use with non standard input ranges such as an input of 8 18mA Set RAW MIN COUNTS to match the 8mA input counts value and RAW MAX COUNTS to match the 18mA input counts value The corresponding Zero 0 and Span 100 readings are entered in the Configuration Menu Live A D count values may be viewed from the CAL MODE Information screen The values that appear in the menu screen are sensor dependent Raw Min and Raw Cnts are available for both Combustible LEL Toxic Sensors 087 0044 REV 66 CHAPTER 3 CONFIGURATION AND SETUP Configuring the IR CO 087 0044 REV H Sensor e
110. o 50 Low Methanol cross MP Hydrogen Sulfide Sulfide HS Standard 40 050 to 50 H oem 5 E S 6 050 29 Sandan S _ po mem pe m _ WawesDid No ____ se mw um j _ Denotes the most common sensor used to monitor the gas when several options are available Sensor Type Rock Solid sensors have extremely low noise allowing for lower alarm set points with less false alarms typical Humidity Range the sensor will be exposed to denotes General indoor or outdoor use denotes High humidity 70 RH 15 areas outdoor use L Low humidity 50 15 for indoor use Sensor Response Time Represented as Standard Full Range This is the range of Scott s most popular sensor Note Toxic E Chem Sensor specifications vary from sensor to sensor We provide a large number to select from This list is not in conclusive For specific Part Numbers please contact your Scott sales representative or Scott Safety See Assistance on page 116 SCOTT SAFETY 087 0044 REV 102 APPENDIX A SPECIFICATIONS 087 0044 REVH SCOTT SAFETY Appendix fj SCOTT SENSOR INFORMATION SAFETY Appendix Overview This appendix covers the following topics e Sensor K Factors Gas Interferences SCOTT SAFETY
111. oes not function as described herein remove from service and mark for maintenance Only use Scott Safety replacement parts Warning Only use the device to monitor the atmosphere for the gases and concentrations for which it is set up to detect Warning Verify the cover internal PCB s and field wiring are securely in place before applying power and operation Warning Do not expose the device to electrical shock or continuous severe mechanical shock Warning Do not use the device if its enclosure is damaged cracked or has missing components Warning Protect the device from dripping liquids and high power sprays Caution Device will not operate without power applied Thus it only detects gases while powered Caution Use only a sensor assembly compatible with the device and approved by Scott Safety Caution Periodically test for correct operation of the system s alarm events by exposing the device to a targeted gas concentration above the high alarm set point Caution Calibration 15 critical Calibration should be performed periodically that takes into account device use and environment conditions Calibrate with known target gas at start up and check on a regular schedule The device should always be re calibrated after exposure to high concentrations of toxic or combustible gases or vapors 087 0044 REVH XXII ABOUT THIS GUIDE Warnings and Cautions Sensor _ Use and Care 087 0044 REVH Ensure you follow
112. of the screen SCOTT SAFETY Configuration and Setup Checklist 61 Configuring the Transmitter Configuration Menu This section covers the Transmitter Configuration Menu Navigate the cursor from the Setup Display Menu hold the magnetic screwdriver over the NEXT key for 5 seconds until the Display requests a special key sequence Use the magnetic screwdriver to select the UP key four times and the Transmitter Configuration Menu displays See Figure 39 Figure 39 Configuration Menu Transmitter Configuration XMITTER CONFIG a O2 TOXIC OFF BRIDGE mA ON Enter Key Sequence to access menu NEXT Key to Exit Output Zero Output Span See Manual HELP Real Time Clock Model Scott F6K Warning Access to the following configuration menus should only occur when you have a complete understanding of the functions contained within Monitoring of target gases processing of alarms 4 20mA output values and MODBUS RS 485 communications are not reliable while editing these menus Verify atmosphere is free using an independent monitor while menus are used Failure to do so could result in injury or death Caution See Configuring the System Configuration Menu on page 52 And perform A a backup of configuration data prior to changing any configuration item in the following configuration menus Failure to perform a backup may result in the loss of critical data affecting device performance Factory defaults are configurabl
113. om your local vendor See Figure 11 087 0044 REVH SCOTT SAFETY Installation Checklist 23 Figure 11 Remote Sensor Junction Wiring Toxic NEN FRONT VIEW a Dosis COVER REMOVED DEVICE BLUE WHITE ORANGE WHITE GREEN WHITE BROWN WHITE 1 2 CUSTOMER SUPPLIED 3 4 CONDUIT a 8 PINCONNECTOR FROM CABLE ASSEMBLY PLUGS INTO CONNECTOR ON TOXIC E CHEM DAUGHTER BOARD CABLE FROM DEVICE 2 2 lt mOmozczu 2 2 JUNCTION BOX NOTE SENSOR HEAD SHOWN dd SHORTER via zi COVER REMOVED 4 24 165 x O 2 x rs gt P 8 PIN CONNECTOR FROM SENSOR HOUSING ASSEMBLY PLUGS INTO CONNECTOR ON TERMINATION P C B ASSEMBLY INSIDE JUNCTION BOX SCOTT SAFETY 087 0044 REV 24 CHAPTER 2 INSTALLATION Mounting This section covers the mounting of a Combustible LEL Sensor Head using a Duct Combustible LEL Mount Adapter Sensor Head Using a mE a Duct Mount Adapter This mounting method allows the monitoring of airflow in exhaust or ventilation ducts without drying out the device s sensor For details on Flow Velocities and Duct compatibility See Device Specifications on page 94 The Duct Mount Adapter comes in a Flat an
114. onfiguration Menu Setup Display Combustible LEL amp Toxic E Chem 51 Configuration Menu System Config Combustible amp Toxic 52 Configuration Menu Alarm Settings 54 Configuration Menu Sensor Info Combustible LEL Toxic E Chem 56 Configuration Menu Clock Delays Setup 57 Configuration Menu 0 5 58 Configuration Menu Help 59 Configuration Menu LCD Contrast 59 Configuration Menu MODBUS RS 485 59 Configuration Menu 60 Configuration Menu Transmitter 61 Configuration Menu Output Zero Trim and Output Span Trim 62 087 0044 REVH LIST OF FIGURES 41 Configuration Menu Technicians 63 42 System Configuration Screen 66 43 EUNIS MENU Fog 66 44 ecu 66 45 Cal Span Val MENU ra daa dem dob ey ax n 67 46 Decimal Points 67 47 Set Sensor Voltage 67 48 Sensor Voltage Screen 68 49 Text and Numerical
115. or each installation 1 Route wires of appropriate AWG from source through conduit runs into the device housing Caution RFI may be generated if wires are not appropriately shielded or share conduit with other AC power conductors Protect wires with appropriate shielding practices to prevent negative equipment performance 2 Connect Ground Wire to device s Grounding Screw on its housing 3 Unscrew the Housing Cover and then loosen the two 2 Thumbscrews and remove the LCD Board to gain access to the internal PCBs 4 Connect Positive and Negative leads from the Power Supply wires to TB2 on the Power I O PCB Specifically connect the Positive lead to Pinl PWR and the Negative lead to Pin4 GND A blocking diode protects and prevents the device from operating if polarity of the power supply is reversed 5 Connect Positive and Negative leads from Receiver wires to TB2 on the Power I O PCB Specifically the Negative connects to the Power Supply Negative wiring and the Positive connections change based on Sensor type as indicated here For Combustible LEL Sensor Connect the Positive lead from the Receiver supplying the 4 20mA signal to Pin3 OUT 4 20 LEL on TB2 See Figure 14 b For Toxic E Chem Sensor Connect the Positive lead from the Receiver supplying the 4 20mA signal to Pin2 OUT 4 20 ECHEM on TB2 See Figure 14 SCOTT SAFETY Connecting from the Device to
116. ote Sensor Junction Wiring and Mounting Combustible 20 Using a Test Socket Adapter 21 Measure the Voltage Using the Test Socket 22 Remote Sensor Junction Wiring 23 Duct Mount Adapter Mounting Combustible LEL Sensor Head 24 Duct Mount Adapter Mounting Toxic E Chem Sensor Head 25 Connection for 3 Wire 27 Relays Remote Alarm Reset Connections Relays MODBUS Option PCB 29 MODBUS Connections Relays MODBUS RS 485 Option PCB 31 4 20mA Connections Isolated 4 20mA Option PCB 22 Combustible LEL Cat bead and Sensor Head Connections 34 Toxic E Chem Sensor Head Connection Classl Division2 35 Toxic E Chem Sensor Head Assembly Classl Division2 36 Toxic E Chem Sensor Assembly 37 Combustible LEL Sensor Assembly 4 25V 38 Combustible LEL Sensor Assembly 5 5 38 Combustible LEL Sensor Assembly ATEX Approved 39 Combustible LEL Sensor Assembly Alignment 4 25V IR 39 Combustible LEL Sensor Assembly Alignment 5 5V Cat bead 40 Combustible LEL Sensor Assembly Alignment 6 0V Cat bead 40 Configuration Menu Structure Combustible LEL Sensor Head 50 C
117. ousing 6 part number changed from 096 2149 to 096 3391 Added new photo of P N 093 0097 and changed its name to Sensor Connector where used Added Standard to 5 5 VDC Combustible Cat bead Sensor P N 40011528 Added accepts Combustible 6 0VDC Sensor 7 pin only to P N 096 2932 Added accepts Combustible 5 5VDC Cat Bead Combustible 4 25 VDC and IR Sensors 3 pins or 4 pins to P N 096 3376 Added 0 to 100PPM Sensor Simulator with Toggle Switch P N 096 2773 to Parts List Added Sensor Keeper P N 096 2197 to Parts List Added 4 25 IR Reprogrammed Combustible Sensor s P N 096 3368 0X to Parts List Added Transmitter to Remote Junction Box E Chem only Cable P N 096 2494 to Parts List Added more detail to Duct Mount Adapter Cable P N 096 3391 Added 4 20mA 18AWG Cable P N 069 0080 to Parts List Added additional P N options to Outer Guard Assembly 096 3379 to Parts List Added Flowcell P N 096 3464 to Parts List Updated cross references tables figures and headings As well as other related maintenance items SCOTT SAFETY Certifications and Approvals SCOTT SAFETY Certifications and Approvals Table 4 shows the device has been tested and complies with the following directives N A N A standards or standardized documents Table 4 Certifications and Approvals FOR COM BUSTIBLE SPECIFIC DIRECTIVES SYMBOL STANDARDS EN 60079 0 Applicable N A C C EN 60079 1 II2G Ex d HC T4 Gb DNV 10 ATEX 7494
118. oxic E Chem 23 Remote Sensor Junction Wiring and Mounting Combustible 20 Revision history for this guide xv 5 Security Configuration Menu 60 Sensor Assembly Alignment Toxic E Chem 37 Sensor Info Combustible LEL amp Toxic E Chem Configuration Menu 56 Sensor Use and Care Warnings and Cautions xxii Setup Display Combustible LEL amp Toxic E Chem Configuration Menu 51 Specifications COmbustible LEL IR and Cat bead Sensors 97 Device 94 System Config Combustible amp Toxic Configuration Menu 52 T Technical Support Email 116 Telephone Number 116 Web Site 116 Technicians Only Configuration Menu 63 Telephone Number Technical Support 116 Text and Numerical Display LCD 74 Toxic E Chem Gas Density Relative to 10 Remote Sensor Junction Wiring 23 Sensor Assembly Alignment 37 Toxic E Chem Calibration Equipment 82 Hookup Method 82 087 0044 REVH 130 INDEX Toxic E Chem Sensor Configuration Defaults 71 Toxic E Chem Sensor Head Assembly ClassI Division2 36 Toxic E Chem Sensor Head ClassI Division2 Connection 35 Toxic E Chem Sensor Hear Duct Mount Adapter Mounting 25 Toxic E Chem Sensors Gas Interferences 108 Transmitter Configuration Configuration Menu 61 Troubleshooting 90 U Using Scott Safety Electronic Documents xii Using Test Socket Adapter Remote Sensor 21 Warnings and Cautions Device Use and Care xxi Sensor Use and Care xxii Warranty Statement Device 124
119. prevent accurate adjustment of Sensor Balance gt O Removing power is not required when installing replacing a Toxic E Chem Sensor Follow local procedures and safety regulations 1 Loosen and remove the End Cap to gain access to Toxic E Chem Sensor 2 Remove the Toxic E Chem Sensor and verify Sensor Connector remains seated in place The Sensor Connector should be replaced if damaged torn deteriorates or otherwise deemed unusable See Figure 20 Figure 20 Toxic Sensor Head Assembly Classl Division2 Sensor Head Sensor Connector Sensor End Cap 3 Align Receptacle in both the Toxic E Chem Sensor and Sensor Connector with Alignment Pin in Sensor Head and fully insert Toxic E Chem Sensor into Sensor Head See Figure 21 087 0044 REV H SCOTT SAFETY Installing Replacing Combustible LEL Sensor Head SCOTT SAFETY gt Installation Checklist 37 Figure 21 Toxic E Chem Sensor Assembly Alignment Receptacles Alignment Pin Sensor Connector Sensor Sensor Head 4 While ensuring the Toxic E Chem Sensor remains seated and aligned install the End Cap and hand tighten Caution Over tightening the End Cap may place excessive pressure on the Sensor Connector and creates a Short Thus causing the device to generate a flashing FAULT on the LCD 5 Allow a minimum of 10 minutes for the Toxic E Chem Sensor to initialize This section describes how to install replace a Combustible
120. quipment for both Hookup options Table 32 Combustible LEL Calibration Equipment Both Hookup Options REFERENCE USING CALIBRATION USING CALIBRATION PORT NUMBER ITEM ADAPTER ON SENSOR HEAD Gas Cylinder Same Same For Zero Gas Calibration Zero Gas Cylinder For Span Gas Calibration See Table 35 Regulator P N 077 0018 Same Same 3 Tygon Tubing 3 16 ID P N 077 0021 Note Barb fitting not supplied 4 1 4 Turn Calibration Adapter P N 096 3242 For N A Applicable Combustible LEL only Combustible LEL Sensor Head Cal Port Applicable SCOTT SAFETY 087 0044 REVH 92 CHAPTER 5 MAINTENANCE 087 0044 REVH There 15 1 Hookup option for Toxic E Chem for both Zero Calibration and Span Calibration It 1s Using the Toxic E Chem Calibration Adapter Figure 53 shows the required equipment for the Hookup Figure 53 Toxic E Chem Calibration Hookup Method Table 33 lists the required equipment for the Hookup Table 33 Toxic E Chem Calibration Equipment REFERENCE NUMBER ITEM 1 Gas Cylinder For Zero Gas Calibration Zero Gas Cylinder ForSpan Gas Calibration Contact your Scott sales representative or Scott Safety See Assistance on page 116 Regulator P N 077 0018 Tygon Tubing 3 16 ID P N 077 0021 1 4 Turn Calibration Adapter P N 096 2101 For Toxic E Chem only Note A Generic Toxic Calibration Kit P N 096 2748 is available See Parts List
121. reference to a heading figure or table click the blue text To move to the beginning or end of the document to move page by page within the document or to navigate among the pages you displayed by clicking on hyperlinks use the Acrobat Reader navigation buttons shown in this figure Beginning of document End of document 4 Previous or next hyperlink Previous page Next page Table 1 summarizes how to navigate within a Scott Safety electronic document Table 1 Navigating Within a PDF Document TO NAVIGATE THIS WAY CLICK THIS Move from section to section within the A bookmark on the left side of the Acrobat document Reader window Move to an entry in the Table of Contents The entry itself Move to an entry in the Index The page number Move to an entry in the List of Figures The Figure or Table number List of Tables Follow a cross reference highlighted in The cross reference text blue text Move page by page The appropriate Acrobat Reader navigation buttons Move to the beginning or end of the The appropriate Acrobat Reader navigation document buttons Move backward or forward among a series The appropriate Acrobat Reader navigation of hyperlinks you have selected buttons SCOTT SAFETY Guide Conventions xili Guide Conventions The following visual elements are used throughout this guide where applicable Warning This icon and text indicate a potentially hazardous situation which
122. ress the NEXT key 8 Ifinstalled remove the Zero gas supply 9 Navigate to PreAmp Gain and press EDIT A brief warning screen flashes on the LCD then displays the PGA Setup screen 10 Using the Calibration Adapter apply calibration gas to the Sensor at a rate of 0 5LPM and wait approximately 5 minutes for stabilized readings 11 Use the UP and DOWN keys to adjust the gain to achieve a reading equal to the concentration of the calibration gas 2 12 Remove the calibration gas 13 Press the NEXT key three 3 times to return to the Text and Numerical Display e Set Sensor Voltage Adjusts sensor based on the type of Sensor installed Some voltages are 5 5V 6 0V and 4 25 V Use the UP and DOWN keys to change Press NEXT to exit Warning voltage setting higher than the voltage of the Sensor damages the Sensor Therefore ensure you match the Sensor Voltage configuration parameter to that of the installed Sensor Not available for Toxic E Chem Sensors Set Gain to UNITY By recording the new Sensor readings it may be possible to monitor a Sensor s signal response degradation over time This allows a prediction of Sensor life expectancy for preventative maintenance purposes Set Gain to UNITY resets previous calibration OFFSET to zero and GAIN to one This 15 the definition of UNITY A calibration should be performed after setting UNITY EDIT to confirm NEXT to exit Warning After changing this configuration parame
123. ring gt 25 the Technicians Only Menu on page 63 And then calibrate See Calibrating the Device on page 80 Digital sensors may be corrected by putting unit back to unity gain See Configuring the Technicians Only Menu on page 63 And then calibrate See Calibrating the Device on page 80 05 SPAN CAL FAIL The cal span sequence failed Check preamp adjustment on due to being either under or analog sensors See over range i e gain 0 5 or Configuring the gt 2 0 Technicians Only Menu on page 63 And then calibrate See Calibrating the Device on page 80 Digital sensors may be corrected by putting unit back to unity gain See Configuring the Technicians Only Menu on page 63 And then calibrate See Calibrating the Device on page 80 06 The history log is full and no Purge the Event Log Event HIST DATA FULL ERR further records can be added Log Menu 16 found under the Alarm Settings Menu See Configuring the Alarm Settings Menu on page 54 087 0044 REVH SCOTT SAFETY Error Codes 89 Table 37 Error Codes continued ERROR CODES CAUSE SOLUTION 07 Errors 7 10 indicate an error If error persists attempt to SENSOR CHAN CRC ERR 15 detected in the reboot device by removing 08 non volatile data during and reapplying power SENSOR SYS CRC ERR read cycle If error code will not clear 09 contact Scott Safety for SENSOR CUST CRC ERR repair Se
124. rmation Clock Delays Diagnostics HELP lt EC INPUT PG 1 System Config Alarm Settings Sensor Information Clock Delays Diagnostics HELP 087 0044 REV H Configuring the Sensor Information Menu This section covers the Sensor Information Menu Navigate the cursor from the Setup Display Menu to Sensor Information and press the EDIT key to access the Sensor Information Menu See Figure 32 Figure 32 Configuration Menu Sensor Info Combustible LEL amp Toxic E Chem SENSOR SETUP INFO Install Sensor Recall Cal History Input Type Bridge New Sensor 08 01 08 Recent Cal 08 12 08 SensorLife SENSOR SETUP INFO Install Sensor Recall Cal History Input Type Serial Installed 08 01 08 Recent Cal 08 12 08 SensorLife Or INSTALL SENSOR EDIT to install New Sensor Any other key to Exit CALIBRATION DATES Record 22 of 22 CAL Date 08 12 08 UP DOWN to scroll NEXT to EXIT INSTALL SENSOR EDIT to install New Sensor Any other key to Exit CALIBRATION DATES Record 22 of 22 CAL Date 08 12 08 UP DOWN to scroll NEXT to EXIT INSTALL SENSOR Historical CAL data Will be Deleted EDIT to Accept NEXT to Abort e Install Sensor Only used when a new type of sensor is installed This deletes historical CAL data and sets sensor life to 100 after initial calibration Recall Cal History Recalls each successful calibration These
125. rmware Version and Serial Number briefly as it powers up The boot up process takes about eight 8 seconds to complete The Warm Up Time Inhibit Time is adjustable using the Warm Up Second parameter 7 See Configuring the Clock Delays Setup Menu on page 57 Powering Down This section covers the power down sequence Powering down the device 1 not required to perform routine operations Caution If you change from a 5 5V Combustible Cat bead Sensor to a 4 25V IR Combustible Sensor ensure you change the Sensor Voltage parameter via the configuration menu Failure to do so damages the 4 25V IR Sensor 087 0044 REVH SCOTT SAFETY Chapter 5 SCOTT MAINTENANCE SAFETY Chapter Overview SCOTT SAFETY This chapter covers the following topics Calibrating the Device Maintaining the Device Error Codes Troubleshooting the Device 087 0044 REV H 90 CHAPTER 5 MAINTENANCE Calibrating the Device Calibration Hookup 087 0044 REVH Options This section covers calibration of the device Warning Operating the device that has exceeded its calibration date can cause false readings of detected gases Readings obtained while device is out of calibration are invalid and could lead to death or injury Warning During Calibration the device is not detecting hazardous gases Ensure you notify affected personnel working in the area or otherwise depending on its detection that it will be out of service and ensure
126. sor select the applicable Test Socket Adapter there 15 one for 4 25V IR 4 25V and 5 5 Cat bead Sensors and one for 6 0V Cat bead Sensor See Parts List on page 117 Plug the applicable Test Socket Adapter into the Combustible Head Receptacles and then plug the applicable Sensor s Alignment Pins into the Test Socket Adapter See Figure 9 Figure 9 Using a Test Socket Adapter Sensor Head Test Socket Adapter Sensor ees Measure the Voltage across the R reference and A active terminals on the Test Socket Adapter using a Digital Multimeter DMM See Figure 10 Ensure that the measured voltage has tolerance of 05V This tolerance applies to the 4 25V IR and Cat bead 5 5V and 6 0V sensors SCOTT SAFETY 087 0044 REVH 22 CHAPTER 2 INSTALLATION Figure 10 Measure the Voltage Using the Test Socket Adapter CO gt Mounting and Wiring This section describes how to mount and wire the Remote Sensor Junction Box for a the Remote Sensor Toxic E Chem Sensor Head Junction Box Toxic m If your application requires that the sensor be mounted remotely from the device ensure you follow all code and regulatory requirements In a remote application the wiring distance the Max length of the wire from the sensor to the device is a fixed value The sensor will not function if you go over this distance See Device Specifications on page 94 Conduit must be obtained fr
127. sor Head 34 D Device Firmware Version 49 Jumper J1 Settings 30 Major Parts 4 Parts List 117 Specifications 94 Warranty Statement 124 Device Aluminum Mounting Dimensions 18 Device Stainless Steel Mounting Dimensions 19 Device to Sentinel 16 3 Wire Connection 28 Device to Sentinel 6 3 Wire Connection 28 Device to Sentinel 7200 Plus 3 Wire Connection 27 Device to Series 7400 Plus 3 Wire Connection 28 Device to Series 7400 QuadScan II 3 Wire Connection 28 Device Use and Care Warnings and Cautions xxi Diagnostics Configuration Menu 58 Duct Mount Adapter Mounting Combustible LEL Sensor Head 24 Toxic E Chem Sensor Head 25 E Email Technical Support 116 Equipment Toxic E Chem Calibration 82 Equipment Both Hookup Options Combustible LEL Calibration 81 087 0044 REV H F Firmware Version Device 49 MODBUS 46 Floating Point Registers MODBUS 45 Formula Maximum Wire Distance 16 Maximum Wire Length 13 G Gas Density Relative to Air Combustible LEL 9 Toxic E Chem 10 Gas Interferences Toxic E Chem Sensors 108 General Safety Information xx Guide Conventions xiii Guide Overview xi H Help Configuration Menu 59 Hookup Method Toxic E Chem Calibration 82 Hookup Methods Combustible LEL Calibration 81 Installation Checklist 17 IR CO2 Sensor Configuring 66 Isolated 4 20mA Option PCB 4 20mA Connections 33 Items and Descriptions LCD 75 J Jumper J1 Settings Device 30
128. ssembly 36 Clock Delays Setup Configuration Menu 57 Combustible Remote Sensor Junction Wiring and Mounting 20 Combustible LEL Gas Density Relative to Air 9 Combustible LEL Calibration Equipment Both Hookup Options 81 Hookup Methods 81 Combustible LEL Cat bead and IR Sensor Head Connections 34 Combustible LEL IR and Cat bead Sensors Specifications 97 Combustible LEL or Toxic E Chem Setup Display LCD 77 Combustible LEL Sensor Configuration Defaults 69 Combustible LEL Sensor Assembly 4 25 38 ATEX Approved 39 Combustible LEL Sensor Assembly Alignment 4 25V IR 39 5 5V Cat bead 40 6 0V Cat bead 40 Combustible LEL Sensor Head Configuration Menu Structure 50 Duct Mount Adapter Mounting 24 Configuration and Setup Checklist 42 Configuration Defaults Combustible LEL Sensor 69 Toxic E Chem Sensor 71 Configuration Menu Alarm Settings 54 Clock Delays Setup 57 Diagnostics 58 Help 59 LCD Contrast Adjustment 59 MODBUS RS 485 Port 59 Output Zero Trim and Output Span Trim 62 087 0044 REVH 128 INDEX Security 60 Sensor Info Combustible LEL amp Toxic E Chem 56 Setup Display Combustible LEL amp Toxic E Chem 51 System Config Combustible amp Toxic 52 Technicians Only 63 Transmitter Configuration 61 Configuration Menu Structure Combustible LEL Sensor Head 50 Configuring CO2 Sensor 66 Connection Toxic E Chem Sensor Head ClassI Division2 35 Connections Combustible LEL Cat bead and IR Sen
129. ta Display enter Cal Mode by pressing the DOWN CAL key and within 5 seconds activating the EDIT key Attach the Calibration Adapter to the device and apply gas from the regulator Apply the applicable Calibration Gas using Table 35 at 0 5LPM Wait approximately 3 minutes for stabilized readings Activate the Edit key to perform a Span calibration Remove Calibration Gas If successful SPAN CAL SECCESSFUL displays momentarily then displays REMOVE CAL GAS momentarily The device then displays the Data Display with the minute CAL PURGE delay at the bottom of the LCD If Span Calibration fails repeat procedure oo Un amp 087 0044 REVH 86 CHAPTER 5 MAINTENANCE If 5 minutes elapses before Zeroing the device the device times out and returns to the Data Display If this happens just reenter the Cal Mode To keep the time out from occurring activate either the UP or DOWN keys The 5 minute time out starts over after a key is activated 087 0044 REV H SCOTT SAFETY Maintaining the Device 87 Maintaining the This section covers maintenance of the device Table 36 details the recommend Device maintenance item for the device Table 36 Recommended Maintenance Matrix ITEM ACTIVITY FREQUENCY DETAILS See Replacing the Sensor on page 87 Replacing the Sensor This section provides information on how to replace Sensors The device ships without the Sensor installed and must be installed prior to use The a proc
130. ter you must recalibrate the device Failure to do so may result in serious injury or death SCOTT SAFETY SCOTT SAFETY Configuration and Setup Checklist 65 e PreAmp Gain Set Depending upon Input Type the device inputs range from a few Micro Amps to hundreds of Micro Amps PreAmp Gain Set 15 the adjustment that matches the input signal range to the device s input signal conditioning circuits Altering the PreAmp Gain setting automatically resets previous calibration OFFSET amp GAIN values to UNITY If it is determined the PreAmp Gain value is incorrect apply the desired up scale input and use the UP and DOWN keys to obtain the correct Reading value Counts are the 10 bit binary A D value with an active range value of 0 1023 Warning Altering the PreAmp Gain setting automatically resets previous calibration OFFSET amp GAIN values to UNITY Therefore after changing the PreAmp Gain Set configuration parameter you must recalibrate the device Failure to do so may result in serious injury or death Not available for Toxic E Chem Sensors Caution Do not use PreAmp Gain Set to calibrate Sensors Use only when a new measurement gas or input range is required Failure to do so could result in poor sensor performance Input Type Allows selection between Bridge 3 wire 4 20mA 3 wire As well as selection between POS or NEG Coefficient Not available for Toxic E Chem Sensors ZERO Cal Val Me
131. the DOWN CAL key EDIT To Enter Cal Mode Time out in 5 Seconds displays Ensure the EDIT key 15 pressed within 5 seconds 2 Using the Calibration Adapter apply Zero Air or Nitrogen at a flow of 0 5LPM Only use Zero Air for Cat bead Sensors 3 Wait approximately 2 minutes for stabilized readings 4 Press the EDIT key to perform a Zero Calibration 5 If Zero Calibration is successful the SET SPAN displays If Zero Calibration fails repeat procedure If 5 minutes elapses before Zeroing the device the device times out and returns to the Data Display If this happens just reenter the Cal Mode To keep the time out from occurring activate either the UP or DOWN keys The 5 minute time out starts over after a key is activated Baseline readings for a Zero Calibration is 20 9 for 6 If Span calibration is desired continue to See Span Calibration on page 84 This section describes how to perform Span Calibration Prior to starting the Zero Calibration procedure you may need to adjust the Inhibit Time on the device This prevents unwanted alarm trips Likewise remember to reset it after calibration Inhibit Time is adjustable using the Cal Purge Second parameter See Configuring the Clock Delays Setup Menu on page 57 The Cal Span Value used must match the Span gas specified since this is what the device indicates after a successful Span Calibration See Configuring the System Configuration Menu on page 52 For pre
132. the applicable warnings and cautions indicated here Warning Extended exposure of the detector to high concentrations of toxic or combustible gases may result in degraded sensor performance If an alarm occurs due to high concentration of combustible gases recalibrate the device or if needed replace the sensor Caution Do not use any solvents chemicals or polishes containing silicon compounds to clean the detector as these can cause damage to the sensor Caution Be aware of poisoned combustible sensors The operation of catalytic type combustible gas sensors may be seriously affected by silicones free halogens halogenated hydrocarbons and metallic oxides present in the ambient air being monitored If the presence of any of these substances is suspected increased frequency of calibration verification is recommended Caution Sensitivity of the combustible gas sensor can be adversely affected by exposure to sulfur compounds halogens silicone or lead containing compounds or phosphorus containing compounds Avoid exposure to these substances Should the detector be suspected of being exposed to such substances perform a gas test to verify its accuracy and that it is calibrated accordingly SCOTT SAFETY Acronyms xxiii Acronyms Table 5 provides a quick reference for acronyms used in this guide that may be unfamiliar Table 5 Acronyms ASCII American Standard Code for Information Interchange Inside Diameter Input Output
133. ts 4 26 UP DN to Change NEXT to Exit 23 Press NEXT key to save data 24 When finished press the NEXT key twice to return to the main menu 25 The Sensor needs to Balanced and Calibrated See Configuring the Technicians Only Menu on page 63 See Set Balance Procedure after Installing a New Sensor on page 64 See Calibrating the Device on page 80 087 0044 REV H SCOTT SAFETY Configuration Defaults 69 Configuration Defaults Table 29 and Table 30 provides the default settings and ranges for the device based on whether you have a Combustible LEL or Toxic E Chem Sensor installed Table 29 Key Device Configuration Defaults with a Combustible LEL Sensor me Sw 8 sew EL ows bmw paisa pe ONDdg fm wmi NO m wmi LL Ema _ SCOTT SAFETY 087 0044 REVH 70 CHAPTER 3 CONFIGURATION AND SETUP Table 29 Key Device Configuration Defaults with a Combustible LEL Sensor m y mem uc BR ONLY mms Mie Set Sensor Voltage Volts Varies based on specific Sensor Type installed 4 25V for
134. using Cover and then loosen the two 2 Thumbscrews and remove the LCD to gain access to the internal PCBs 2 If desired connect wiring from Receiver equipment to one or more of the three 3 Relays on of the Relay MODBUS RS 485 Option PCB Relays designated Relay Relay2 K2 and Relay3 Each relay has 3 Pins for wiring a Normally Open NO a Normally Closed NC and a Common C See Figure 15 Figure 15 Relays Remote Alarm Reset Connections Relays MODBUS Option PCB Remote Alarm TB3 Assy 10 0234 ST 48 Alarm ModBus Option TB1 Caution Contacts are rated for resistive loads alarm relays have dry contacts and power must be supplied from an external source Failure to do so could result in failure of alarm relays SCOTT SAFETY 087 0044 REV 30 CHAPTER 2 INSTALLATION Connecting the Relays MODBUS RS 485 Option PCB 087 0044 REVH 3 If desired connect a Remote Switch to TB3 on the Relays MODBUS RS 485 Option PCB This feature allows you to shut off and reset a sounding Remote Alarm See Figure 15 Warning External wiring to TB3 must be shielded and protected from noise spikes to prevent a false alarm reset condition Failure to do so could result in injury or death if a false alarm reset condition occurs This section describes how to connect the Relays MODBUS RS 485 Option PCB to multiple devices to use the MODBUS RS 485 Communication Protocol The Relays MODBUS RS

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