Ronan X96S Скачать руководство пользователя страница 43 | Manualshive

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42

ION Chamber

Detector/Amplifier

Ronan’s ion chamber detector is filled with an
inert

Assembly

high-pressure gas. It uses low-voltage (-
15VDC) bias
and generates a low-level current proportional
to the gamma radiation incident on the
detector. The current

(DET-7471-XXX)

generated is on the order of 10

ρ

A, so an

electrometer amplifier is required to convert
the current to a low-impedance, high level
voltage signal. The signal is then measured by
the X96S Microprocessor, which converts the
voltage signal to a output of 4-20mA for a
specified measuring range.

Refer to drawing B-6409-K. The current (I),
generated

Circuit Description

by the ion chamber, is fed into the inverting
input
terminal of the electrometer amplifieer, (IC1).
The electrometer amplifier output is filtered by
R2C4 (a microphonic, low-pass filter) and fed
into a follower amplifier. The output of IC2 is
proportionally fed back to the inverting
terminal to provide a closed-loop gain based on
the value of the gain resistance potentionmeter
(R2) on the X96S input board. (B-9742-K).

The detector’s gain is adjusted whenever the
signal output of the detector is too high and
may saturate the input of the X96S, which is
approximately 3.5VDC. The output must be
less than 3.0VDC with an empty vessel.

An offset zero control (R6), used to null the
offset voltage of the electrometer amplifier, is
factory adjusted and glyptal coated. R6 is
adjusted to make the output, (TP1), zero with
Rf shorted. (TP2 is circuit common.)

Reference:

B-6409-K
B-9742-K

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Содержание X96S

Страница 1: ...Instructions and Operating Manual X96S Level with Density Compensation Gage 60 Ronan Engineering Process Setup Filtering Low Alarm High Alarm Rad Disc Linearization Density Comp Auto Calibrate ...

Страница 2: ...u 16 Variable Mapping Menu 16 Displays Menu 16 Status Display Menu 17 Configuration Menu 18 Operation Menu 18 Level Filter Menu 19 Density Filter Menu 20 Rad Disc Config Menu 21 Dens Comp Config 22 Detector Fault 22 Linearization Menu 22 Config Linearize Menu 23 Scan Time Menu 23 Level Config Menu 23 Density Config Menu 23 Comp Ratio Menu 24 Head Temp Config Menu 24 Alarms 24 Hardware Menu 25 Syst...

Страница 3: ...l Menu 33 Calibrate Dens Menu 35 Loop Config Menu 36 Aux Loop Cfg Menu 36 Diagnostic 36 Level 36 Density 37 Rad Disc 37 Alarms 38 CONFIGURATION 39 DETECTOR 40 Scintillator Detector 40 ION Chamber 42 ELECTRONICS 47 X96 2001PL 47 X96 2002PL 47 X96 2003PL 47 X96 2004PL 47 X96 2007PL 47 X96 2008PL 48 X96 2009PL 48 OPTIONS 49 X96S Mechanical Chassis Part Numbers 49 X96S Electronic Module Part Numbers 4...

Страница 4: ...r Units Most Applications can be solved with low energy sources Not affected by extreme temperatures caustic processes sterile processes Gamma s Advantages Mounts external to pipe or vessel no components exposed to process material Passes through process material Does not make material radioactive Does not change the material Can be shielded by lead X96S Advantages HART Communications Identical in...

Страница 5: ... communication technologies the HART protocol maintains compatibility with existing 4 20mA systems and in doing so provides users with a backward compatible solution HART Communication Protocol is well established as the de facto industry standard for digitally enhanced 4 20mA field communication The enhanced communications capability of intelligent field instruments employing the HART protocol of...

Страница 6: ...riable Value Level Level Density Density Uncomp Level Uncompensated Level Density Comp Density Compensation Head Temp Head Temperature Not Assigned Not Assigned Configuration Variables The Ronan X96S Level with Density Compensation gage has many configuration variables that are accessed through its menus ...

Страница 7: ...sed to a maximum amount of radiation which produces a HIGH output of counts When the process level is high the process material shields the detector and prevents radiation from reaching the detector producing a LOW output of counts The X96S Microprocessor converts the detector signal to user s measurement units of level m mm cm in ft The X96S displays the output measurement range in the selected u...

Страница 8: ... Compensation automatic compensation for the radioisotope decay Calibration Referencing calibration of gage to user process The Calibration or Referencing procedure relates detector output in counts to numeric values that accurately represent the actual process level The level algorithm used by the X96S software is a simple transfer function That is the relationship between the detector output and...

Страница 9: ...ird digit should be highlighted Press to get the digit to be one Press 2 times The fifth digit should be highlighted Press to get the digit to be one Press F4 enter Note If the wrong password was entered press F1 ALL0 to set all the digits to the number 0 and you can begin re entering the password from the beginning Pressing F2 RST0 will set the individual digit that is highlighted back to the num...

Страница 10: ...ue units TV is var mapped to TV Auto Cal Density value units QV is var mapped to TV Calibration Dens comp value units Diagnostic Head temp value units P S T Q V is Raw Counts value units Filt Counts value units Level Density Uncomp Level Density Comp Status Display Head Temp Not Assigned Analog Bar enable disable Line 1 var Line number Line 2 var Line 3 var Level Line 4 var Density Line 5 var Unco...

Страница 11: ...er Density Units SGU Medium TC seconds Low Range number Slow Counter number High Range number Slow TC seconds Noise Filter number Comp Ratio Monitor status Low Range number Rad Disc Config High Range number Mode disabled Head Temp Config Intern Rad Discr Extern Rad Discr Temp Units degree C Low Range degrees Extern Rad Discr High Range degrees Filt Constant Low Sigma Low Sigma Cntr High Sigma High...

Страница 12: ... Overrange Freeze System Hardware Hardware CPU Slot 1 Details System Hardware DIO Source Type Slot 2 Details Analog Out Config Slot 3 HART output Ser po Slot 3 Details Detectors Slot 4 Slot 4 Details Slot 5 Slot 5 Details Slot 6 Slot 6 Details Slot 7 Slot 7 Details Slot 8 Slot 8 Details Display Display Details HART HART DB Details Source Type Usr Def Source Source Type Next Reference Date Next Wip...

Страница 13: ...ead Temp Config HART output Ser po Card 6 Func Alarms Detectors Card 7 Func Hardware Card 8 Func Hart Systems Hart Card Func Tag Name Name Autocal1 MultiDrop Number Autocal2 Univ Rev Number Autocal3 Spec Rev Number Autocal4 Autocal5 System Autocal6 Autocal7 Serial Autocal8 Hardware Rev Level Software Dens Comp Date Rad Disc Hour Minute Password Date Time Format CONFIGURATION MENU ...

Страница 14: ...arm 8 yes no Auto Cal Ref yes no Auto Cal Err yes no Ref Prompt yes no Wipe Test yes no Shutter Test yes no Empty Clamp yes no Detector Flt yes no System Alarm yes no Rad Alarm yes no Polarity Digital Inputs NO Not Driven Polarity high low NC Driven Polarity high low Open Not Driven Polarity high low Closed Driven Polarity high low Polarity high low Polarity high low Polarity high low Polarity hig...

Страница 15: ...e Level Low Ref Level Calibrate Dens State state Loop Config Low Ref Level Ref Level inches Aux Loop Cfg High Cal Level Ref Cap Ref Mode Ref Time seconds High Cal Level MinRefCnt number Backgr Counts number Cal Level inches Last Ref Date Cal Cap Last Ref Time Clear Ref Cal Ref Mode Empty Calibrate Density Process Absorber State state Low Ref Dens Low Ref Dens High Cal Dens Backgr Counts number Ref...

Страница 16: ...al Level Ref Cap Cal Cap Dens Comp Capt Density Raw Dens Cnts Filter Cnts Ref Cap Cal Cap Ref Density SGU Calibr Density SGU 1 uT Rad Disc Rad Disc Cnts Filt Disc Cnts Alarms Sys Alarm Det Fault Auto Cal Ref Auto Cal Error Ref Prompt Wipe Test Shutter Test Rad Discr Alarms Outputs DIAGNOSTIC MENU ...

Страница 17: ... Density Variable Comp Ratio Shows the current value of the Comp Ratio Variable Head Temp Shows the current value of Head Temp the Head Temperature Raw Counts Shows the current value of the Raw Counts Variable Filt Counts Shows the current value of the Filt Counts Variable Variable Mapping Menu The Variable Mapping menu allows the user to select the device variable to be mapped to PV SV TV and QV ...

Страница 18: ...nge the selection Line 5 Shows the data to be displayed on line 5 of the status display and allows the user to change the selection Line 6 Shows the data to be displayed on line 6 of the status display and allows the user to change the selection Line 7 Shows the data to be displayed on line 7 of the status display and allows the user to change the selection Line 8 Shows the data to be displayed on...

Страница 19: ...his choice takes the user to the HART menu System Selecting this choice takes the user to the System menu Operation Menu The Operation menu is used to access the menus and variables that control the processing of the level data It contains the following items ITEM FUNCTION Level Filter Selecting this choice takes the user to the Level Filter menu Dens Filter Selecting this choice takes the user to...

Страница 20: ...l continue to be used until the counts are within the sigma value for the Fast counter number of times consecutively Also allows user to change this number Medium TC Medium Time Constant value to be used when the Slow Counter reaches zero Slow Counter Shows the slow count down counter value If gauge is in dynamic tracking and the raw counts continued to exceed the sigma value the slow counter valu...

Страница 21: ...ill continue to be used until the counts are within the sigma value for the Fast counter number of times consecutively Also allows user to change this number Medium TC Medium Time Constant value to be used when the Slow Counter reaches zero Slow Counter Shows the slow count down counter value If gauge is in dynamic tracking and the raw counts continued to exceed the sigma value the slow counter va...

Страница 22: ...Max Fault Cnts Shows the maximum counts the internal detector must have for normal operation If the detector signal goes above this value the rad disc feature is enabled The Extern Rad Discr menu is used to configure the external radiation detector as the sensing detector for radiation discrimination ITEM FUNCTION Filt Constant Show the amount of time that is used for averaging the background coun...

Страница 23: ...Min Counts Shows the minimum counts the detector must have for normal operation If the detector signal fall below this value the detector fault is tripped Max Counts Shows the maximum counts the detector must have for normal operation If the detector signal goes above this value the detector fault is tripped Linearization Menu The X96S is capable of performing a multi point linearization of the le...

Страница 24: ... Config Menu The Level Config menu is used to configure the parameters associated with the level measurement It contains the following items ITEM FUNCTION Units Shows and allows the user to set the level units used Low Range Shows and allows the user to set the level value to be mapped to 4ma on the current loop output if level is selected to control that current loop High Range Shows and allows t...

Страница 25: ...ms ITEM FUNCTION Temp Units Shows and allows the user to set the units to be used for head temperature Low Range Shows and allows the user to set the temperature value to be mapped to 4ma on the current loop output if head temperature is selected to control that current loop High Range Shows and allows the user to set the temperature value to be mapped to20ma on the current loop output if head tem...

Страница 26: ...rdware modules in the system and the status of these modules ITEM FUNCTION CPU Card Shows the type of CPU card installed in slot 1 CPU Status Status of the CPU card DIO Card Shows the type of DIO Digital Input Output card installed in slot 2 DIO Status Status of the DIO card Slot 3 Card Shows the type of card if any installed in slot 3 Slot 3 Status If a card is installed in slot 3 shows the statu...

Страница 27: ...V SV and TV 4 20mA outputs to hardware Source Type MEANING Loop 1 PV Shows and allows the user to set PV to a specific output X96S 2005 X96S 2004 Chan1 or Chan 2 None Loop 2 SV Shows and allows the user to set SV to a specific output X96S 2005 X96S 2004 Chan1 or Chan 2 None Loop 3 TV Shows and allows the user to set TV to a specific output X96S 2005 X96S 2004 Chan1 or Chan 2 None Pwr Src Shows and...

Страница 28: ...e following items ITEM FUNCTION Tag Name Shows and allows the user to set the device tag name MultiDrop Shows and allows the user to set the multi drop address for a device or 0 if the device is not used on a multi drop loop Univ Rev Shows the HART universal command revision to which this device is conformant Spec Rev Shows the HART specification revision to which this device is conformant System ...

Страница 29: ...acteristics of the output to be changed Each menu contains the following items ITEM FUNCTION Source Shows and allows the user to set the source Alarm Type Shows and allows the user to set the alarm type Setpoint Shows and allows the user to set the alarm set point Setpoint2 Shows and allows the user to set the second alarm set point4 Hysterisis Shows and allows the user to set the alarm hysterisis...

Страница 30: ...cent Polarity Shows and allows the user to set the alarm polarity Alarm Source is one of the following Alarm Source MEANING Level Operate this TTL output when Level is in alarm as defined by the Alarm Type and set points HeadTemp Operate this TTL output when the head temperature is in alarm as defined by the Alarm Type and set points System Alarm Operate this TTL output when the X96S detectes a pr...

Страница 31: ...electing this item takes the user to the Input 5 menu Input 6 Selecting this item takes the user to the Input 6 menu Input 7 Selecting this item takes the user to the Input 7 menu Input 8 Selecting this item takes the user to the Input 8 menu Input Menus The menu of each input Input 1 through Input 8 contain the following items ITEM FUNCTION Polarity Shows and allows the user to set the active sta...

Страница 32: ...nt of time that must take place before the same auto cal detector can perform another auto cal This is to prevent the same detector from being in continuous auto calibration Ref Time Shows and allows the user to set the Ref Time value The Ref Time is the amount of time it will take for an auto calibration to be completed Recommend the Ref Time value should be at least 3 times the AC Filter value A...

Страница 33: ...o Cnts Shows and allows the user to change the Proc Lo Cnts The Proc Lo Cnts is the minimum counts from the continuous level detector needed for an auto calibration Proc Hi Cnts Shows and allows the user to change the Proc Hi Cnts The Proc Hi Cnts is the maximum counts from the continuous level detector needed for an auto calibration Type is one of the following Type MEANING Manual Push button swi...

Страница 34: ...iltered counts the level detector must provide to allow during a Low reference or High calibration If the detector counts are below this value the Low reference is aborted Backgr Counts Shows and allows the user to set the Backgr Counts The background counts are used with low detector count applications This value used to calculate the indicated level Consult Factory before using this function Typ...

Страница 35: ...od that performs the high calibrate procedure After the calibrate procedure is completed it is important the user access the Cal Lev value and insert or acknowledge the value Cal Level Shows and allows the user to set the calibration to the level of the process Cal Cap Shows the Calibrated Captured Counts the last time the user performed a successful High Calibration Ref Mode is one of the followi...

Страница 36: ...0000 Clear Ref Cal This item invokes a method that clears the level low reference and high calibration This allows the user to start over with out any stored reference or calibrated values State is one of the following State MEANING Uncalibrated Needs reference and calibrate Referenced Needs calibrate Partial Cal Needs reference Need Ref Density Reference Density must be entered Need Cal Density C...

Страница 37: ... a method that performs the D A trimming of the secondary 4 20ma current loop SV is is one of the following SV is MEANING Level Level Head Temp Head temperature if available Not Assigned Blank line Diagnostic ITEM FUNCTION Level Selecting this item takes the user to the Level menu Density Selecting this item takes the user to the Density menu Rad Disc Selecting this item takes the user to the Rad ...

Страница 38: ...Shows the user at what density detectors counts the X96S was referenced Cal Cap Shows the user at what density detector counts the X96S was calibrated Ref Density Shows the user at what density the X96S was referenced Calibr Density Shows the user at what density the X96S was calibrated 1 uT Shows the user at what cal constant value the density calculations are using Rad Disc ITEM FUNCTION Raw Dis...

Страница 39: ... status of the Ref Prompt Alarm No No alarm Yes Alarm To clear the alarm a new date must be entered under Configuration Hardware SourceType Next Reference Wipe Test Shows the status of the Wipe Test Alarm No No alarm Yes Alarm To clear the alarm a new date must be entered under Configuration Hardware SourceType Wipe Test Shutter Test Shows the status of the Shutter Test Alarm No No alarm Yes Alarm...

Страница 40: ...al level readings The list below summarizes the activities that are detailed in the remainder of this chapter Check the factory default settings to be sure they are appropriate for your circumstances IF NOT make the necessary changes and document those changes for future reference Perform an initial calibration to correlate the X96S s output to the actual process level Document detector output cou...

Страница 41: ...um between the crystal and the PMT Photomultiplier Tube The PMT is a light sensitive vacuum tube with a photosensitive layer that converts the light pulses to an electrical current Light pulses from the crystal strike the photosensitive layer and release electrons A high voltage power supply connected to the photosensitive layer accelerates the electrons through stages of current amplification The...

Страница 42: ...the Scintillation Detector is adjusted or replaced the performance of the entire system will be adversely affected and will require realignment before continued use is possible Therefore the scintillation detector IS NOT field serviceable Should a problem arise with the detector the entire Detector Assembly should be returned to Ronan for repair replacement ...

Страница 43: ...er is fed into the inverting input terminal of the electrometer amplifieer IC1 The electrometer amplifier output is filtered by R2C4 a microphonic low pass filter and fed into a follower amplifier The output of IC2 is proportionally fed back to the inverting terminal to provide a closed loop gain based on the value of the gain resistance potentionmeter R2 on the X96S input board B 9742 K The detec...

Страница 44: ... important components of the amplifier are the operational amplifier IC1 feedback resistor Rf and feedback capacitor Cf If these components are substituted the performance of the system will be adversely affected ...

Страница 45: ... a qualified technician can troubleshoot and service the detector s amplifier assembly Some precautions are needed when handling the detector amplifier assembly It is important to keep the interior of the detector amplifier dry Moisture on the high impedance components will cause leakage currents If the amplifier lid is opened it is important to see that warm dry air is introduced into the amplifi...

Страница 46: ...ng the hold down clamp tab will engage and the extension rod screw can be adjusted to tighten detector assembly into housing 1 Check NOTES below for illustrations and cautions that apply to your specific equipment 2 Unscrew cap on detector housing 3 Unscrew connector on top of detector 4 Remove detector from housing 5 Carefully install replacement detector in housing 6 Screw connector back onto de...

Страница 47: ...e the two 6 32 binding head screws which secure the amplifier board to the detector 4 Using a low power 60W iron unsolder the detector leads to the printed circuit board standoffs CAUTION Excessive twisting or bending can damage the detector leads CAUTION DO NOT over heat the detector leads Using long nose pliers as a heatsink will avoid melting the solder at the detector feed through 5 Lift the b...

Страница 48: ...nalog outputs each of which can be independently configured as a 4 20 mA current loop a source of 0 to 10 volts or a sink of 0 to 20 ma X96 2007PL X96 2007PL is the HART Daughter Module This module provides both a 4 20 mA current loop and a HART slave interface X96C148 1 X96C148 1 is the 85 to 230 Volt DC power supply module X96C148 2 X96C148 2 is the 24 Volt DC power supply module X96C148 3 X96C1...

Страница 49: ...tion Detector Interface Module This optional11 module provides 1 isolated scintillation input pulse counter max signal 0 1212 V threshold 0 6 V 1 head temperature input 1 uA per deg K 1 non isolated RTD 3 wire input isolated power for the scintillation detector 24 V 40 mA supply13 8 When used with dry contacts jumpers shall be used on the connector block to provide the wetting voltage When used in...

Страница 50: ...L X96S HART Daughter Module X96 2008PL X96S 8 Channel Digital Input Module 8 Channel Digital Output Module 4 Transistors 4 Relays X96 2009PL X96S Scintiallation Detector Interface Module X96 2010PL X96S I B Bus Jumper Module X96C148 X96S Power Supply Module X96D138 X96S 6 Position Motherboard Assembly SFTW X96S DEN Standard Density software for CPU Module SFTW X96S DEN H HART Density software for ...

Страница 51: ...50 Regulations Regulations will be supplied with Radiation Safety Manual ...

Страница 52: ...51 Drawings 5 875 149 21mm 11 500 292 11mm 2 000 50 80mm 7 500 190 50mm 11 500 292 10mm 9 500 241 30mm 0 312 07 92mm X96 N4 1 Outline Assembly Drawing ...

Страница 53: ...52 A B 8 000 203 20mm 10 340 262 64mm X96S SM Outline Assembly Drawing ...

Страница 54: ...53 Mounting Plate ...

Страница 55: ...6 FAX 818 992 6435 E Mail sales ronan com Web Site http www ronan com RONAN ENGINEERING COMPANY Measurements Division 8050 Production Drive Florence Kentucky 41042 U S A 859 342 8500 859 342 6426 E mail ronan ronanmeasure com Web Site http www ronanmeasure com X96S Lvl w Den 031208 Printed in U S A ...

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