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A Leader  in 

Level Measurement

Installation and

Operating Instructions

 

  

Impulse® Series 
2-Wire Guided Wave Radar
Level Measurement System with
TXXXX Series Electronics and 
GWXX Series Guided Wave Sensors 

Telephone: 

 

 

+1 215-674-1234

E-mail: [email protected] 
Website: www.drexelbrook.com 

Summary of Contents for Impulse GW Series

Page 1: ...Operating Instructions Impulse Series 2 Wire Guided Wave Radar Level Measurement System with TXXXX Series Electronics and GWXX Series Guided Wave Sensors Telephone 1 215 674 1234 E mail drexelbrook s...

Page 2: ...in this manual including but not limited to implied warranties or fitness for a particular purpose Drexelbrook shall not be liable for errors contained herein or for incidental or consequential damag...

Page 3: ...TXXXX LM Issue 10 Impulse Series 2 Wire Guided Wave Radar TDR Level Measurement System with TXXXX Series Electronics and GWXX Series...

Page 4: ...Contents...

Page 5: ...ation 52 4 4 Display Keypad Menu 53 4 7 Data Points 63 4 8 Byte Ordering 64 4 9 Enron Modbus 64 4 10 Holding and input registers 65 4 11 Maximum registers 65 4 12 Examples of Accessing Data in the Imp...

Page 6: ...Section 1...

Page 7: ...o the process material Impulse TDR Technology In Time Domain Reflectometry TDR a high frequency pulse is generated and transmitted along the sensor Discontinuities caused by changes in the electrical...

Page 8: ...Cable Twin Rigid Rod Sensors Intendedforusewithliquidsthatdonotbridgebetweenthetwinelements to help avoid false reflections from internal obstructions that may be near the sensor and or in stilling we...

Page 9: ...Single Rod Single Cable K 1 9 K 1 4 K 1 9 Output Output Signal Output 1 Two wire 4 20 mA HART AMS isolated Signal on Fault Current output selectable 3 7 mA or 22 mA Maximum Load Resistive Vs 13 I S ve...

Page 10: ...onnections Thread NPT BSP 1 NPT BSP 1 1 2 NPT BSP Flange 1 ANSI through 8 ANSI 150 300 ratings DN 40 though DN 150 PN 40 PN 16 others on request Electrical Connections Cable Entry NPT M20 X 1 5 Termin...

Page 11: ...ety Level 0 Electrical Connection 0 3 4 NPT 1 M 20 Approvals 1 FM FMc IS HART Only 2 FM FMc XP Modbus or HART 3 ATEX Ex ia HART Only 4 ATEX Ex dia Modbus or HART 6 FM FMC IS with Dual Seal HART Only 7...

Page 12: ...S cable loop Probe Length mm XXXXX Max length 15240 mm 50 ft P 316 SS Silicone Free Q Hast C Silicone Free Consult Factory G W X X XXXX X X X X X GW Sensor Type Material B 1 5 16 8 mm OD Single Rod No...

Page 13: ...SST E J 1 1 2 300 RF Hast C 276 F B 2 150 RF 316 316L SST F J 2 150 RF Hast C 276 G B 2 300 RF 316 316L SST G J 2 300 RF Hast C 276 H B 2 1 2 150 RF 316 316L SST I B 3 150 RF 316 316L SST I J 3 150 RF...

Page 14: ...F Hast C 276 H B 2 1 2 150 RF 316 316L SST I B 3 150 RF 316 316L SST I J 3 150 RF Hast C 276 J B 3 300 RF 316 316L SST J J 3 300 RF Hast C 276 K B 4 150 RF 316 316L SST K J 4 150 RF Hast C 276 L B 4 3...

Page 15: ...t C 276 H B 2 1 2 150 RF 316 316L SST I B 3 150 RF 316 316L SST I J 3 150 RF Hast C 276 J B 3 300 RF 316 316L SST J J 3 300 RF Hast C 276 K B 4 150 RF 316 316L SST K J 4 150 RF Hast C 276 L B 4 300 RF...

Page 16: ...Section 2...

Page 17: ...nclosure cover or make break any electrical connections without first disconnecting the electrical power at the source Ensure that wiring electrical fitting and conduit connections conform to local el...

Page 18: ...ter Less than 1 1 NoNozzlesarepreferred ascoatingbuild up in nozzles can affect performance or cause measurement failure 2 4 1 Nozzles The ideal nozzle dimension is Long nozzles will create disturbanc...

Page 19: ...Installation 13 The Sensing Element must not touch the nozzle 2 4 1 Nozzles Continued Flexible Sensing Element cables must hang free and be taut 2 4 2 Mounting Considerations...

Page 20: ...Impulse Series 14 Do not mount in a fill stream 2 4 2 Mounting Considerations Continued Do not mount in areas with internal obstructions...

Page 21: ...Installation 15 2 4 2 Mounting Considerations Continued Sensors can be mounted in metal side arms and stilling wells...

Page 22: ...mpulse Series 16 2 5 Wiring the Transmitter HART Version Model T1XXX Modbus Version Model T3XXX 11 30 VDC POWER IN RS 485 MODBUS DATA For XP Installations Negative Loop Must Not Exceed 5V Above Ground...

Page 23: ...the agency control drawings either the view port housing cover or the customer connection terminal side housing cover may be safely opened For system configuration remove the view port housing cover t...

Page 24: ...ther a Single Rod or Single Cable probe on a non metal vessel use either a 2 or greater metal flange or a metal launch plate directly at the instrument mounting A launch plate can be fabricated with a...

Page 25: ...Installation 19 2 6 Dual Compartment Housing...

Page 26: ...Section 3...

Page 27: ...ds Use the Up and Down Buttons to scroll through the available menu selections Press Enter to access sub menu items Press Enter again to allow setting to be edited Use the Up and Down Buttons to adjus...

Page 28: ...ut Point Fct 4 00 Display Fct 4 01 Toggle Fct 4 02 Display range Fct 4 03 Display Level Fct 4 04 Display Volume Fct 4 05 Display Current Output Fct 4 06 Display Distance Fct 5 00 Output Fct 5 01 Loop...

Page 29: ...d volume calculated for specified tank type VOLUME VOL Loop current output loop current in milliAmps corresponding to range OUTPUT CH1 Distance measured distance from bot tom of sensor mounting to the...

Page 30: ...f all level and distance parameters FEET INCHES De fault METERS CM centimeters MM millimeters Fct 1 02 Tank Height Fct 1 03 Probe Length Fct 1 04 Sensor Offset Fct 1 06 Upper Dead Zone Fct 1 07 Lower...

Page 31: ...ear relationship between level and volume Change after Loop Output Fct 5 01 Changing Loop Output will reset this value User editable value Default 0 Fct 1 05 Material Type H2O OIL Select material type...

Page 32: ...to the error current specified in Fct A 09 Near Zone Output and remain there until level falls backs into the measur able range NOTE If the system is powered on or signal acquire is activated with th...

Page 33: ...ype Fct 1 08 Nozzle Adapter Length NOZ ZLE Specifies the Nozzle Adaptor Length Inactive length NONE 6 INCH 12 INCH 16 INCH 24 INCH 30 INCH 36 INCH Fct 1 09 Threshold Sets minimum amplitude for valid s...

Page 34: ...impe rial gallons Fct 2 02 Maximum Capacity Fct 5 02 LRV Fct 5 03 URV Fct 2 02 Maximum Capacity MAX CAP Enter the volume of the vessel s capacity that correlates to the Tank Height User editable value...

Page 35: ...ship between points being linear The number of points required is determined by the relationship of the desired output to level and desired accuracy In general more points will more accurately define...

Page 36: ...ckage includes RS232 Modem Assembly 401 0700 004 Figure 5 1 4 0 1 0 7 0 0 0 2 2 PC Software Package includes Contentsin401 0700 021 HRTWin version2 1orgreateronaCD ROM 4 0 1 0 7 0 0 0 6 1 PC Software...

Page 37: ...uretoinstallthehardwarethatisnecessarytorunthePCsoftware 1 Connect the RS232 Drexelbrook Modem 401 700 004 to one of the COM serial ports COM1 COM2 etc of the computer 2 Connect the Modem s 4 20 loop...

Page 38: ...is highly recommended the USB drivers be installed BEFORE you plug in the modem Install the USB Drivers by inserting the Modem Installation Disk into CD Drive of the computer If program does not Auto...

Page 39: ...he page for the Impulse TDR under the Literature tab http www drexelbrook com Continuous Level Measurement TDR Level Measurement The Impulse Guided Wave Radar TXXXX Series aspx Click on Software downl...

Page 40: ...communication port you are using such as when first using a USB modem select Search Ports then OK The software will automatically seek out the correct port 4 In either case the software begins to comm...

Page 41: ...iguration 3 7 3 Run HRTWin Software Continued Tag ID and or Long Tag ID Enter vessel designation as required Scratch Pad Enter calibration notes as required Changing Analog Output Assign to Volume or...

Page 42: ...Impulse Series 36 Figure 3 7 3 Volume Configuration Figure 3 7 4 Distance Configuration 3 7 3 Run HRTWin Software Continued...

Page 43: ...gn is set to Level or Volume only Level Units User selects the units of measurement by editing the menu to select either Feet Inches Meters Centimeters or Millimeters Changing the units will result in...

Page 44: ...ty that correlates to the Tank Height User editable value Vessel Type Selection of one of the defined vessel shapes will cause a 21 point Strapping Table to be generated based on vessel shape A Custom...

Page 45: ...Editing this value will change Material Type to Custom Do not change without Factory consultation Valid selectable range from 800 2000 Nozzle Adapter Specifies the Nozzle Adaptor Length Inactive lengt...

Page 46: ...ance measurements and status Tank MappingAllows an insitu vessel profile to be obtained by recording non level reflections above the actual level This recorded profile is subtracted from the live read...

Page 47: ...look up table of level vs volume that is entered by the user based on known parameters Use this function for volume measurement only User editable values View Signals Opens Tank Profile Data window t...

Page 48: ...ion Configures the current output for Near Zone and Lost Echo conditions Lost Echo occurs when the unit cannot find a valid level or the end of the probe and represents an error condition Near Zone oc...

Page 49: ...simulate Run Demo Initiates simulation of selected Drexelbrook instrument Figure 3 7 5 3 7 5 Configuration examples HART 4 20 mA output All units are factory configured to read level referenced to th...

Page 50: ...e Horizontal cylinder with dished ends LRV 0 URV 4818 Material Type Oil Note When liquid level drops into Lower Dead Zone the output will indicate the end of probe and will remain there until the leve...

Page 51: ...eference is mounted above the top of the tank See Figure 3 7 7 If the Sensor Mounting Reference is mounted above the top of the vessel a positive value is entered in Sensor Offset If the Sensor Mounti...

Page 52: ...ping Table for Volume Load Standard Table Volume Only If the application does not match one of the pre defined vessel types but the application is similar a pre defined vessel type may be loaded into...

Page 53: ...0 45 11 50 12 55 13 60 14 65 15 70 16 75 17 80 18 85 19 90 20 95 21 100 Plan your table by filling out the table below Use the first column which lists every 5 between 0 and 100 or Fill in your own va...

Page 54: ...r the screen will be corrupt Click the Record button Save As window will appear Select desired file location type file name and click Save button Recording will start and record button changes to Stop...

Page 55: ...and Restore Factory Map Map Tank Enter Map to Distance This is the distance from the bottom of the mounting that will be recorded and subtracted from the measurement profile Do not map within 8 inches...

Page 56: ...Section 4...

Page 57: ...supported devices The Impulse supports the RTU ASCII transmission mode over RS 485 4 2 Wiring for RS485 RS485 is designed for cable lengths up to 4 000 feet As many as 32 Modbus devices may be multi...

Page 58: ...the Enter Button for approximately 5 seconds Use the Up and Down Buttons to scroll through the available menu selections Press Enter to access sub menu items Use the Up and Down Buttons to adjust set...

Page 59: ...ct 1 06 Upper Dead Zone Fct 1 07 Lower Dead Zone Fct 1 08 Nozzle Fct 1 09 Threshold Fct 1 10 Signal Area Fct 2 00 Volume Fct 2 01 Units Fct 2 02 Maximum Capacity Fct 2 03 Vessel Type Fct 3 00 Strappin...

Page 60: ...on with the ap propriate units For example LEV IN level in inches will change to LEVEL for 2 seconds Name Description full display name abbreviated display name Level height of liquid from tank bottom...

Page 61: ...omatic conversion of all level and distance parameters FEET INCHES Default METERS CM centi meters MM milli meters Fct 1 02 Tank Height Fct 1 03 Probe Length Fct 1 04 Sensor Offset Fct 1 06 Upper Dead...

Page 62: ...nversions in vessels with a nonlinear relationship between level and volume User editable value Default 0 Fct 1 05 Material Type H2O OIL Select material type closest to actual process material Select...

Page 63: ...ut will change as specified in Fct A 09 Near Zone Output and remain there until level falls backs into the measurable range NOTE If the system is powered on or signal acquire is activated with the lev...

Page 64: ...Type Fct 1 05 to CUS TOM Increase value from factory setting as required Default dependent Probe Type and Material Type Do not de crease value below fac tory setting without fac tory consul tation Fct...

Page 65: ...ume VOLUME System configuration for volume output Information entered in Tank Height Maximum Capacity Ves sel Type Sensor Offset are used to generate a conditioned output Use this function to output o...

Page 66: ...d HC_D Hori zontal Cyl inder Dished Ends HC_H Hori zontal Cyl inder Hemi spherical SPHERE Spherical CUSTOM Indicates user has modified a standard strapping table Fct 3 01 Maximum Points Fct 3 03 Level...

Page 67: ...trapping table from 1 21 that they wish to view or edit in Fct 3 03 and 3 04 1 21 Default 21 Fct 3 03 Level In Point IN PT Defines the input level for the cur rently selected Index number in current l...

Page 68: ...esired by the selecting the correct register For example the value for the product reading can be obtained as an integer 16 bits a long word 32 bits or a floating point value 32 bits by simply choosin...

Page 69: ...s 40 Gallons 41 Liters 42 Imperial gallons 43 cubic meters 46 Barrels TDR material type 0 CUSTOM 1 WATER 2 OIL Sensor offset Used if sensor is located above or below the tank height value Upper dead z...

Page 70: ...ndian Byte order 1234 High Word High Byte HWHB Order sent 0x00 0x00 0x12 0x34 2 Little Endian Byte order 4321 Low Word Low Byte LWLB Order sent 0x34 0x12 0x00 0x00 3 Big Endian Byte Swapped Byte order...

Page 71: ...ts and longs For ASCII setting accessing Enron floats or long integers the maximum number of registers that can be requested is 30 For all other modes the maximum number is 36 which will retrieve all...

Page 72: ...nd the table with the desired value Next find the desired byte ordering across the top row The corresponding entry at the intersection of these 2 items gives the register that should be specified in t...

Page 73: ...7 32017 Product distance 31819 32019 Product volume 31823 32023 Nozzle adapter 31829 32029 TDR material type 31831 32031 Sensor offset 31833 32033 Upper dead zone 31835 32035 Lower dead zone 31837 320...

Page 74: ...3216 Product distance 3018 3218 Product volume 3022 3222 Nozzle adapter 3028 3228 TDR material type 3030 3230 Sensor offset 3032 3232 Upper dead zone 3034 3234 Lower dead zone 3036 3236 Damping 3038...

Page 75: ...roduct volume 30223 30423 30623 30823 Nozzle adapter 30229 30429 30629 30829 TDR material type 30231 30431 30631 30831 Sensor offset 30233 30433 30633 30833 Upper dead zone 30235 30435 30635 30835 Low...

Page 76: ...0 7430 7630 Sensor offset 7032 7232 7432 7632 Upper dead zone 7034 7234 7434 7634 Lower dead zone 7036 7236 7436 7636 Damping 7038 7238 7438 7638 Max volume capacity 7040 7240 7440 7640 Vessel type 70...

Page 77: ...31223 31423 31623 Nozzle adapter 31029 31229 31429 31629 TDR material type 31031 31231 31431 31631 Sensor offset 31033 31233 31433 31633 Upper dead zone 31035 31235 31435 31635 Lower dead zone 31037...

Page 78: ...18 Product volume 5022 5222 5422 5622 Nozzle adapter 5028 5228 5428 5628 TDR material type 5030 5230 5430 5630 Sensor offset 5032 5232 5432 5632 Upper dead zone 5034 5234 5434 5634 Lower dead zone 503...

Page 79: ...ith the appropriate options 5 1 2 Warning Installation Start Up andServiceshouldonlybeperformedbypersonnel trained in explosive atmosphere installations 5 1 3 Device Description The Impulse TDR Time D...

Page 80: ...to 70 C IP66 IP67 II 2D Ex ia tb IIIC T90 C Db Ta 30 C to 70 C IP66 IP67 a 0 or 1 Electrical Connection e 16 character numbering system which does not affect safety Specific Conditions of Use Impulse...

Page 81: ...10 K 10 no mounting restrictions The Wave Guide Mounting Tube eliminates the signal interference normally caused by tank nozzles 6 to 36 Works with Rigid or Cable Probes GW HX JX KX QX Options 5 2 Me...

Page 82: ...Impulse Series 76 5 2 1 System Dimensions Continued...

Page 83: ...Supplementary ATEX Installation Instructions 77 5 2 1 System Dimensions Continued...

Page 84: ...Impulse Series 78 5 2 1 System Dimensions Continued...

Page 85: ...5 5 1 Start up checklist Do not connect power until you have gone through the checklist 1 Are the wetted components gasket flange and probe resistant to the corrosive properties of the tank product 2...

Page 86: ...Section 6...

Page 87: ...reshold lower Broken interconnect cable Contact Service Department Probe Length variable too short for desired probe Correct variable probe length nozzle adapter location Transmitter locked in Near Zo...

Page 88: ...There is at least 250 ohms total loop resistance There is at least 19 Vdc available for the transmitter when a loop current of 4 mA is flowing Refer to Figure 4 1 Notes 1 Modem will operate from 32 F...

Page 89: ...f it is OK check for open loop 2 If loop current is between 0 and 3 mA transmitter is likely bad 3 Check voltage at transmitter it should be at least 12 4 Disconnect transmitter from power supply and...

Page 90: ...____________ _________________________________________________________________ Checkout procedures that have failed ______________________________ _____________________________________________________...

Page 91: ..._____ Please include a purchase order number even if the repair is under warranty If repair is covered under warranty you will not be charged Ship equipment freight prepaid to AMETEK Drexelbrook 205 K...

Page 92: ...Section 7...

Page 93: ...Control Drawings 87 Section 7 Control Drawings 7 1 FM FMC Control Drawings...

Page 94: ...Impulse Series 88 7 1 FM FMC Control Drawings Continued...

Page 95: ...Control Drawings 89 7 2 ATEX Control Drawings...

Page 96: ...Impulse Series 90 7 2 ATEX Control Drawings Continued...

Page 97: ...and to the ultimate country of destination specified on Order s or declared as the country of ultimate destination on Seller s invoices or in the End Use Statement that Buyer supplies Seller Seller s...

Page 98: ...and other technical information supplied by Seller in connection herewith hereinafter called Data shall remain Seller s sole property and shall be held in confidence by Buyer Data shall not be reprod...

Page 99: ...205 Keith Valley Road Horsham PA 19044 International 1 215 674 1234 Fax 1 215 674 2731 E mail drexelbrook service ametek com Website www drexelbrook com An ISO 9001 Certified Company EDO 9 18 101...

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