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Calibration

W-4510 Weigh Scale Technical Reference Manual

83

Initial calibration overview

Before you can use the gauge, a relationship between the detector signal and the actual
process values must be determined. The initial calibration determines this relationship by
collecting data and measuring the actual process value. The initial calibration of the gauge
includes following steps.

1.

Verifying the correct measurement units

2.

Verifying the proper measurement span entries

3.

Determining the linearization

4.

Collecting data for the zero and span

5.

Calculating the calibration

6.

Resetting the absorber value

7.

Saving the calibration information to EEPROM

Figure 39: Graphical representation of the calibration curve

Counts

Cal_lo

Cal_hi

Weight_lo Weight_hi

Weight

«
...
98
99
100
101
102
...
»

Summary of Contents for W-4510

Page 1: ...Technical Reference MANUAL W 4510 WEIGH SCALE WITH GEN 2000 ELECTRONICS MODEL W 4510 WITH FREQUENCY OUTPUT...

Page 2: ...W 4510 Weigh Scale with GEN2000 Electronics Technical Reference Manual Model W 4510 with frequency output Manual part number 31559 US Version 1 0...

Page 3: ...without notice HART is a registered trademark of The HART Communication Foundation GEN2000 is a registered trademark of the Ohmart VEGA Corporation ISO 9001 approval by Lloyd s Register Quality Assur...

Page 4: ...0 Step by step method 10 Direct access method 10 Smart listing 10 Sample Smart Listing 11 CHAPTER 2 INSTALLATION 13 Location considerations 13 Avoid source cross talk 13 Blending applications 13 Preve...

Page 5: ...46 Password functions 47 Analog output setup 48 Measurement span setup 54 Measurement units setup 57 Custom units 57 Comm port setup 60 Temperature compensation setup 62 Operator 63 Input channel setu...

Page 6: ...ing the calibration information to EEPROM 98 Calibration channel 2 functions 99 Step 1 Collecting data for the zero and span 99 Cal Lo on process 99 Calibrate zero low on process Channel 2 100 Calibra...

Page 7: ...Preface vi W 4510 Weigh Scale Technical Reference Manual Screen 528 Linearizer Block 137 APPENDIX II AUTO ZERO FEATURE 139 Auto zero log 142 INDEX 143...

Page 8: ...0 Table 15 Screen 092 minus sign configuration 80 Table 16 Calibration records 107 Table 17 Bi level inputs terminals grounds addresses and LEDs 109 Table 18 Power supply board test points and labels...

Page 9: ...Preface viii W 4510 Weigh Scale Technical Reference Manual Notes...

Page 10: ...ro Pac 34 Figure 16 Setup screens 1 4 41 Figure 17 Time and date screen 42 Figure 18 Memory areas EEPROM vs RAM 43 Figure 19 Memory backup screen 43 Figure 20 SmartPro upload and download application...

Page 11: ...110 Figure 52 Smart Pro power supply flow chart part 2 111 Figure 53 Smart Pro TTL Relay flow chart 112 Figure 54 Smart Pro frequency input 113 Figure 55 Smart Pro analog output mA mV flow chart 114 F...

Page 12: ...nd fast cutoff 75 Procedure 18 Setting up an adaptive filter 76 Procedure 19 Setup totalizer 1 78 Procedure 20 Setup totalizer 2 78 Procedure 21 Setup totalizer 1 2 total units 79 Procedure 22 Verify...

Page 13: ...echnical Reference Manual Procedure 37 Calibrate the analog output signal Channel 1 105 Procedure 38 Calibrate the analog output signal Channel 2 106 Procedure 39 Returning equipment for repair 127 Pr...

Page 14: ...tains the warning of potential damage to equipment or people Attention Le texte apparaissant pr s de ce symbole vous informe d un danger possible pour l quipement ou pour l usager AC current or voltag...

Page 15: ...Preface xiv W 4510 Weigh Scale Technical Reference Manual Notes...

Page 16: ...ain anonymous Name _________________________ Title _________________________ Company __________________________ Address __________________________ __________________________ __________________________...

Page 17: ...Preface xvi W 4510 Weigh Scale Technical Reference Manual Notes...

Page 18: ...Service engineers have the specific license to install and commission nuclear gauges and can instruct you in the safe operation of your density gauge To contact Ohmart Field Service call 513 272 0131...

Page 19: ...and report the damage in detail Any claim on the Ohmart Corporation for shortages errors in shipment etc must be made within 30 days of receipt of the shipment 5 If you need to return the equipment se...

Page 20: ...CLOSED position Check the current local regulations U S NRC Agreement State or other to determine if this area must have any restrictions Storing the detector If you must store the detector adhere to...

Page 21: ...s maintain contact for one second minimum Output Relay 4 SPDT 4 form C contacts 2A 120VAC 2A 28VDC 1A 250VAC CSA version ratings 0 6A 125VAC 0 6A 110VDC 2 0A at 30VDC TTL logic level Five open collect...

Page 22: ...eed to calculate the mass flow weight per unit time This is essential for blending operations as in OSB or MDF particleboard application to match the amount of resin to the weight of wood present Load...

Page 23: ...the phone If you have a question or need help call Customer Service during office hours If your problem is an emergency for example line shut down because of Ohmart equipment you can reach us 24 hours...

Page 24: ...1 System overview The following statements describe the source holder A cast or welded steel and lead enclosure that houses a radiation emitting source capsule Directs the radiation in a narrow collim...

Page 25: ...tion A photomultiplier tube detects the scintillator s light and converts it into voltage pulses The microprocessor receives these voltage pulses after amplification and conditioning by the photomulti...

Page 26: ...the loading belt A belt with a light load allows more radiation to pass through to the detector A belt with a heavier load allows less radiation to pass through to the detector The Smart Pro calibrate...

Page 27: ...ack and forth between menus Direct access method Use direct access to bypass the step by step progression of screens and go directly to your chosen screen You enter the screen number in the number fie...

Page 28: ...d contains data 17196 The LOW process value used to calibrate the gauge at the factory is at address location 153 140 13 In this sample that data value is 8427 Sample Smart Listing Table 5 Sample Smar...

Page 29: ...Introduction 12 W 4510 Weigh Scale Technical Reference Manual Notes...

Page 30: ...anual Reference Addendum CD that came with the source holder and the appropriate current regulations for details Avoid source cross talk When multiple adjacent conveyors have nuclear gauges you must c...

Page 31: ...urce housing during the calibration procedures You must actuate the self contained absorbers Restrict air gap access Restrict access to the area between the source holder and the side of the conveyor...

Page 32: ...scale assembly Figure 3 W 4510 assembly Note The handle on the source holder operates a rotating shutter When installing or removing the assembly you must turn the handle to the closed or Off position...

Page 33: ...shows the typical outline Ohmart supplies certified drawings for the W 4510 weigh scale If the diagram and directions in this manual differ from the certified drawings follow the certified drawings Fi...

Page 34: ...ation beam Source operating handle shown locked in OFF position Access cover for wiring Absorber actuator shown engaged only for calibration Radioactive material identification tag Combination lock Ex...

Page 35: ...e Manual Securing the weigh scale assembly The source weight is 450lbs You should not stand the source holder upright without external supports Mounting the electronics console Smart Pro mounting Figu...

Page 36: ...Installation W 4510 Weigh Scale Technical Reference Manual 19 Figure 6 Typical Smart Pro dimensions...

Page 37: ...276 x 394 mounting holes 4 places Access cover to terminal strips for wiring Clearance of 610mm 24 recommended for wiring access Notes Humidity 0 to 95 noncondensing Ambient temperature range 0 degC 3...

Page 38: ...supply 2 Optional Power supply 1 Black wire White wire Figure 8 Rack mount interface components The rack mount display interface includes the following components On Off switch with circuit breaker a...

Page 39: ...ure 9 illustrates the CPU board Figure 9 Simplified CPU board The software PROMS contain the program for operating the Smart Pro or Pro Pac Install them at locations U24 and U25 on the CPU board Optio...

Page 40: ...display interface Processor select circuit board On the rack mount unit only the processor select circuit board controls the select keys A B C D that correspond to the possible four field units The o...

Page 41: ...rom 000 to 999 Not all possible screen numbers are valid If you enter an invalid screen number a MENU DOES NOT EXIST message displays The upper right hand corner displays the Alarm signal This display...

Page 42: ...n the 10 numeric keys represent the most frequently used operations Note INTERVALS key 2 is not available The tasks for the remaining labels are accessible with the correct security access level by pr...

Page 43: ...MART WeighART Rate 0 0 LB MIN WT 26 214 LBS FT TOT 00081 LBSX10 Trend 1 Select Help Yes No Process Measure 0 Auto Manual Cal 8 Time Date 7 Previous Screen Alarms 6 Target 5 Totalizer 4 Next Screen Pro...

Page 44: ...phabetical sequence Previous Screen Select the previous screen in a functional sequence Selects the previous character in an alphabetical sequence Auto Manual Selects automatic mode Selects manual mod...

Page 45: ...with up to four field units Each display window represents a different field unit with labels A B C and D If one or more field units connect to a rack mount unit select the desired field unit by pres...

Page 46: ...se the drawing It may contain special instructions specific to your order Use the drawing notes and the steps that follow to make the input and output connections Make the connections at the removable...

Page 47: ...ription 1 L1 AC power input 2 L2 AC power input 3 Not used 4 Not used 5 Not used 6 Not used 7 Not used 8 Frequency output 9 Frequency output 10 B Digital Tachometer 5V 11 Not used 12 Not used 13 D Dig...

Page 48: ...Installation W 4510 Weigh Scale Technical Reference Manual 31 Figure 13 W 4510 terminal illustration...

Page 49: ...Table 8 W 4510 interconnect to Smart Pro or Pro Pac Measure signal From W 4510 Weigh Scale To Smart Pro To Pro Pac Pin 8 TB 4 1 TB 1 4 Pin 9 TB 4 2 TB 1 5 Shield wire TB 4 3 TB 1 12 Table 9 W 4510 in...

Page 50: ...Installation W 4510 Weigh Scale Technical Reference Manual 33 Figure 14 Typical interconnect diagram for Smart Pro...

Page 51: ...Installation 34 W 4510 Weigh Scale Technical Reference Manual Figure 15 Typical interconnect diagram for Pro Pac...

Page 52: ...start can take up to 24 hours Switch for CE compliance For CE compliance install a power line switch no more than one meter from the operator control station Conduit Conduit runs must be continuous a...

Page 53: ...derside of the conveyor Only use this location if the first three locations are inconvenient or impossible Ohmart does not recommend the following locations for the positioning of the tachometer Idler...

Page 54: ...Manual 37 Line down contacts Use line down contact when the belt speed is constant and does not vary and no digital tachometer is supplied Contact must be isolated dry and have a burden of 15VDC at 1...

Page 55: ...icense from the U S NRC Agreement State or other appropriate nuclear regulatory body may remove the source holder lock Note Users outside the U S must comply with the appropriate nuclear regulatory bo...

Page 56: ...iation Safety for the combination Do not remove the lock if the gauge has a general license tag installation is in the U S and you do not have the specific license that gives you permission to remove...

Page 57: ...Weigh Scale is a regulated transient free power source UPS type power is the best 5 If using DC power verify that the ripple is less than 100mV Note The equipment warranty is void if there is damage...

Page 58: ...reens directly by entering the screen number or from the main menu Detailed screen description Setup menus 014 SETUP 1 OF 4 SET TIME OR DATE UP DOWN LOAD MEMORY CHANGE PASSWORD 015 SETUP 2 OF 4 SET CA...

Page 59: ...ct CHANGE TIME and press ENTER 2 From 025 SET TIME screen enter the new time in military time format e g 13 01 01 and press ENTER 3 Press PREVIOUS SCREEN to return to 007 TIME DATE screen 4 From 007 T...

Page 60: ...ibration that you want to save then you must save these changes to the EEPROM If you do not save to the Upper RAM and EEPROM the new information is not available after powering off When you save to th...

Page 61: ...2 Transfer to upper RAM 1 From 310 MEMORY BACKUP screen select UPPER RAM TRANSFERS and press ENTER 2 From 314 UPPER RAM XFERS screen select RAM TO UPPER RAM and press ENTER 3 In 316 RAM TO UPPER RAM...

Page 62: ...ss ENTER to continue 4 From 100 EEPROM SERVICE screen select one of the following options SELECT COPY RAM TO EEPROM COPY EEPROM TO RAM GET EEPROM CHKSUM 5 If you choose SELECT COPY RAM TO EEPROM scree...

Page 63: ...le In addition you can use this program to upload an existing file to Smart Pro to restore a saved configuration Figure 20 SmartPro upload and download application The communication cable connects to...

Page 64: ...reqIn Block at address 520 2 Installation Access 0022 Complete access to all gauge parameters and functions Procedure 5 Input password 1 From the 092 screen type screen number 052 and press ENTER 2 On...

Page 65: ...ibrate the channels before they can transmit a meaningful signal The analog output span can be set independent from the measurement span of this gauge Setting the span is simply a matter of defining w...

Page 66: ...7 8 5 6 3 4 1 2 3 4 JP7 3 4 5 6 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 JP8 N A 9 10 1 2 3 4 5 6 5 6 7 8 9 10 9 10 9 10 9 10 9 10 JP9 3 4 5 6 1 2 7 8 1...

Page 67: ...Input 2 Gain select JP9 Analog Input 2 Analog Frequency select JP10 Communications RS232 RS422 select JP11 Communications RS232 RS422 select JP12 TTL Output 1 Isolated Non isolated select JP13 Memory...

Page 68: ...og output 2 Voltage signal TP8 Analog output 2 Voltage signal Procedure 7 Select output type 1 From the 063 SELECT OUTPUT TYPE select either of the following options 4 20 or 0 20 Channel 1 4 20 or 0 2...

Page 69: ...NALOG OUTPUT SPAN screen select SET LOW LIMIT and press ENTER From 242 SET LOW LIMIT screen enter the new setting and press ENTER Return to screen 240 by pressing PREVIOUS SCREEN From 240 screen press...

Page 70: ...ew setting and press ENTER Return to screen 064 by pressing PREVIOUS SCREEN From screen 064 press SELECT to choose SET HIGH LIMIT AND press ENTER From 068 SET HIGH LIMIT enter the new setting and pres...

Page 71: ...s these parameters at their factory based on information received at the time of the order If the values are correct no change is necessary Note The Min and Max weight values for the process span are...

Page 72: ...n 096 and press ENTER 3 From 096 MIN SPAN SETTING screen press select and type in the new minimum span setting and press ENTER 4 Press PREVIOUS SCREEN to return to screen 098 5 From 098 SET GAGE SPAN...

Page 73: ...ess SELECT to choose SET GAGE MEAS SPAN and press ENTER 8 From 098 SET GAGE SPAN screen select SET MINIMUM READING and press ENTER 9 From 096 MIN SPAN SETTING screen press HELP Screen 799 displays CHA...

Page 74: ...CT CODE SELECTION SCREEN type 0 and press ENTER to return to product code 0 21 Disconnect the write protect jumper JP17 This protects the information in the EEPROM Measurement units setup 009 SELECT U...

Page 75: ...ollowing units of measure DENSITY LENGTH WEIGHT MOISTURE RATE CUSTOM 3 For example If you choose LENGTH on screen 041 you can choose from the following measurements Inches CMS Full Feet Meters Custom...

Page 76: ...ATURE on screen 089 you can choose from the following measurements DEG C DEG F Custom IF you choose CUSTOM from 220 SETUP CUSTOM you can select any of the following functions CHANGE UNITS TEXT in scre...

Page 77: ...setup 230 COMM PORT SETUP SELECT BAUDRATE 9600 4800 2400 1200 300 19200 Figure 28 Comm port setup screen The communications port on this instrument is configurable for either RS232 or RS485 Note The W...

Page 78: ...ther of the following 8 bits default 7 bits Press ENTER 3 Screen 232 COMM PORT SETUP displays the prompt SELECT PARITY Select one of the following NONE default ODD EVEN Press ENTER 4 Screen 233 COMM P...

Page 79: ...ference Manual Temperature compensation setup 024 AUX INPUT SETUP SET TEMP COEF SET REF TEMP Figure 29 Temp comp setup screen Note Scale applications do not use this screen It is present here for comp...

Page 80: ...e Weight and Total 090 SELECT OP SCRN SELECT SCREEN 91 95 OLD NEW 000000 000000 092 Ohmart WeighART RATE 00000 LBS MIN WT 00000 LBS TOT 000000 TONS Figure 30 Operator setup screens Procedure 14 Setup...

Page 81: ...CURRENT VAL NEW VAL 000000 000000 Figure 31 Input channel setup screens 520 Frequency input channel 1 primary sensor signal frequency only This memory block processes frequency input parameters such...

Page 82: ...There is no need to access this screen for basic gauge operation The calibration functions automatically update the values as required Note Personnel that are unfamiliar with the system should not acc...

Page 83: ...1 handles the process sensor input and uses product codes 0 8 Use access level 0 to display the product code tables and level 1 to setup or change values in the table Channel 2 product code Channel 2...

Page 84: ...he most important part of the computer memory Be very careful when entering information at this level 3 Press HELP to go to the desired product code number 4 Enter the new value for each item number U...

Page 85: ...linear response and then provides an accurate measurement Since the linearizer curve stores as one of the many parameters in the product code it automatically applies to the calibration and measureme...

Page 86: ...to obtain the minimal number of readings necessary is five 100 three intermediate values and 0 In either case the exact number of the intermediate values must be known 8 Call Ohmart Field Service 513...

Page 87: ...hart Actual Process Condition Screen 168 Reading in AVG COUNT Data Points Full 100 0 00000 90 1 80 2 70 3 60 4 50 5 40 6 30 7 20 8 10 9 Empty 0 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28...

Page 88: ...BASED ON TIMED AVERAGE START STOP PRESSES Figure 33 Data collect setup screens Data collection interval The Data coll interval function is the time in seconds that the system takes to collect a proces...

Page 89: ...ose cases requiring filtering of the raw counts used to trigger the cutoff function This filtering is independent of the measurement process and does not affect the measurement in any way As the Cutof...

Page 90: ...apacitance filtering It provides an infinite impulse in which all of the previous samples contribute less and less to the average but all contribute somewhat The most recent samples are weighted most...

Page 91: ...ctangular window filtering the damping entry determines how many samples to use when calculating the average responding to 100 of a process step change The maximum damping entry is 100 with this type...

Page 92: ...ENTER 3 From 035 TIME CONSTANT screen enter the new value for the time constant and press ENTER 4 From 035 TIME CONSTANT screen select ENTER FAST CUTOFF VALUE and press ENTER 5 From 049 ENTER DIGITAL...

Page 93: ...CODE ACCESS screen address 92 type the maximum value to increment the time constant set same as normal time constant up to a value of 100 seconds the default value is set to 30 seconds and press ENTE...

Page 94: ...where summing is necessary Takes lbs ft from Channel 1 and multiplies that number by the belt speed from Channel 2 It then calculates the mass rate The totalizer gives a pulse output for each pre det...

Page 95: ...protect jumper JP17 5 Save to EEPROM 6 Disconnect the write protect jumper JP17 This protects the information in the EEPROM Procedure 20 Setup totalizer 2 1 From 004 TOTALIZER MENU screen select TOTAL...

Page 96: ...ZER 1 UNITS 3 From 118 TOTALS 1 UNITS select one of the following units of measurement LBS TON KGMS And press ENTER 4 From 117 SELECT TOTAL UNITS FOR TOTALIZER screen select TOTALIZER 2 UNITS 5 From 1...

Page 97: ...his feature enables the Smart Pro or Pro Pac to display negative numbers on screen 092 The base address for the minus sign feature is 529 items 2815 Table 15 Screen 092 minus sign configuration Item P...

Page 98: ...perform the calibration you must be familiar with the Smart Pro topics Navigating through the Smart Pro screens Security access level Product Code Saving to upper RAM Saving to EEPROM This section pro...

Page 99: ...e available under the Cal Menu 018 CAL MENU 1 OF 2 SET PRODUCT CODE CALIBRATE GAGE SET TIME CONSTANT 018 CAL MENU 2 OF 2 TOTALIZER MENU Figure 37 Cal menu screens Product code screen 003 PRODUCT CODE...

Page 100: ...a and measuring the actual process value The initial calibration of the gauge includes following steps 1 Verifying the correct measurement units 2 Verifying the proper measurement span entries 3 Deter...

Page 101: ...the SELECT and ENTER keys to progress through these functions Procedure 23 Verify proper measurement span entries 1 From the 015 SETUP MENU 2 of 4 screen select SET GAGE MEAS SPAN 2 From the 098 SET...

Page 102: ...span Geometry of the source and detector Procedure 24 Verify the curve is loaded into Smart Pro 1 From the 052 ENTER PASSWORD screen enter the password for the appropriate access level 2 Go to screen...

Page 103: ...ou do not have to collect data at the endpoints of the calibration but in general the closer to the ends the better Perform this procedure one time only for the initial calibration Calibrations that f...

Page 104: ...CHANNEL 1 screen press SELECT to choose MORE CAL FUNCTIONS and press ENTER 9 From 152 CAL CHANNEL 1 screen press SELECT to choose CAL LO ON PROCESS and press ENTER 10 From 210 CALIBRATE LOW ON PROCESS...

Page 105: ...erence Manual Calibrate high on process channel 1 047 CALIBRATE HI ON PROCESS YES NO ABORT Figure 41 Cal Hi on process screen Before starting this procedure 5 Have enough process available to statical...

Page 106: ...HI ON PROCESS and press ENTER 7 From 047 CALIBRATE HI ON PROCESS screen press SELECT to choose either YES or NO 8 From 027 CAL TIME LEFT AFTER TIMEOUT press ENTER when the countdown reaches 0 seconds...

Page 107: ...f the calibration calculate the new calibration parameters by using the Two Point Cal function from the calibration menu Note It is important to have the proper Linearization curve loaded into the gau...

Page 108: ...screen press SELECT to choose MORE CAL FUNCTIONS and press ENTER 5 From 152 CAL CHANNEL 1 screen press SELECT to choose TWO POINT CALIBRATE and press ENTER 6 From 155 TWO POINT CAL HAVE YOU DONE A CAL...

Page 109: ...collect to determine the value Make a note of the absorber reading and counts 2 From 159 ENTER ABSORBER VALUES screen select HIGH ABSORBER VALUE and press ENTER 3 From 148 HIGH ABSORBER screen enter t...

Page 110: ...m the 310 MEMORY BACKUP screen press SELECT to choose EEPROM TRANSFERS 3 Screen 311 displays with the message CAUTION PRESS HELP KEY FOR EEPROM MESSAGE If you press HELP the following message displays...

Page 111: ...sorber value reads off by an unacceptable amount 3 Empty the belt and perform a simple data collect if the gauge is still not reading the product correctly 4 Empty the belt and reset the absorber valu...

Page 112: ...ess ENTER to confirm 3 On screen 173 CAL TIME LEFT press ENTER when the counter reaches 0 4 From screen 174 EVAL DATA COLLECT verify that the absorber and process value are correct If not correct pres...

Page 113: ...ress ENTER to confirm 2 From screen 170 CAL TIME LEFT screen press ENTER after timeout 3 On screen 171 EVAL DATA COLL view the absorber value and measured value Press ENTER on the YES field to adjust...

Page 114: ...control action but enables the user to see the average sensor signal as it would collect if you perform a calibration step Procedure 32 Simple data collect Channel 1 1 From screen 149 CAL CHANNEL 1 s...

Page 115: ...s ENTER again to confirm 3 Connect the write protect jumper JP17 and save to EEPROM 4 Disconnect the write protect jumper JP17 Step 5 Saving the calibration information to EEPROM After completion of s...

Page 116: ...1 Collecting data for the zero and span This step sets the upper and lower detector signal limits that are associated with the endpoints of the calibration These endpoints display graphically as Cal_l...

Page 117: ...NEL 2 and press ENTER 6 From 185 CAL CHANNEL 2 screen select CAL LOW ON PROCESS and press ENTER 7 From 187 CALIBRATE LOW ON PROCESS screen press SELECT to choose either YES or NO ABORT 8 From 188 CAL...

Page 118: ...rence Manual 101 Calibrate high on process Channel 2 200 CALIBRATE HI ON PROCESS YES NO Figure 49 Cal Hi on process screen Before starting this procedure 5 Have enough process available to statically...

Page 119: ...y to replicate the loading profile 6 From 200 CALIBRATE HI ON PROCESS screen press SELECT to choose either YES or NO 7 From 201 CAL TIME LEFT AFTER TIMEOUT press ENTER when the countdown reaches 0 sec...

Page 120: ...hoose CAL CHANNEL 2 and press ENTER 3 From 185 CAL CHANNEL 2 screen press SELECT to choose TWO POINT CALIBRATE and press ENTER 4 From 192 TWO POINT CAL HAVE YOU DONE A CAL LO AND CAL HI FIRST screen s...

Page 121: ...recorder Each channel can be set up and calibrated to accommodate one of the following 4 20mA 0 20mA 0 100mV Analog output 1 ties to the product code at Item No 10 and 11 of the Product Code Table The...

Page 122: ...TER 7 From screen 070 CAL ANALOG OUTS press ENTER to select OUTPUT OF RANGE 8 From screen 077 SEL ADJUST RATE press SELECT to choose either of the following options COARSE ADJUSTMENT FINE ADJUSTMENT a...

Page 123: ...press ENTER 7 From screen 070 CAL ANALOG OUTS press ENTER to select OUTPUT OF RANGE 8 From screen 077 SEL ADJUST RATE press SELECT to choose either of the following options COARSE ADJUSTMENT FINE ADJ...

Page 124: ...eigh Scale Technical Reference Manual 107 Table 16 Calibration records Screen item Date Date Date Date Date Date Date Date 520 25 520 26 520 32 520 33 520 39 520 40 527 0 527 1 520 2 520 22 520 23 527...

Page 125: ...Calibration 108 W 4510 Weigh Scale Technical Reference Manual Notes...

Page 126: ...s Input Smart Pro Terminal Smart Pro Active Ground Pro Pac Terminal Pro Pac Active Ground Address from Screen 529 Older board Revision C or older New board Revision D or newer 1 TB4 8 9 TB2 4 5 1102 L...

Page 127: ...110 W 4510 Weigh Scale Technical Reference Manual The following Smart Pro and Pro Pac troubleshooting flow charts may be useful in diagnosing many communication problems Figure 51 Smart Pro power sup...

Page 128: ...eference Manual 111 Figure 52 Smart Pro power supply flow chart part 2 Case ground P S LED 15VDC brown 15VDC orange GRD violet PWR GRD gray 5VDC red L2 L1 Power Supply P S TB1 J1 S1 on off J2 TB1 TB2...

Page 129: ...Y 3 D26 TTL 4 RLY 4 D27 TTL 5 D28 TTL 6 Bi Level Input D29 Note Access level 3 required D30 Screen 550 D31 Screen 554 D32 Screen 565 D33 Screen 567 D34 Active low energizes relay Table 2 I O Board Rel...

Page 130: ...d or TB4 5 for input 2 Is same signal present at U5 3 for input 1 and or U7 3 for input 2 Does 5VDC measure across 8 5 at U5 for Input 1 and or U7 for input 2 Replace CPU board End Problem with sensor...

Page 131: ...mV Check I O signal cable or replace CPU External wiring or controller problem Yes No Yes No Yes Yes mA mV Does U2 8 4 measure 15VDC Refer to power supply flow chart Yes No Does U15 side of R32 measur...

Page 132: ...sent at Input 2 TB4 5 6 Problem with external wiring or transmitter Is frequency okay at U7 3 for input 2 Check jumpers and I O signal cable Does 15VDC measure across 4 9 at U6 for input 2 Refer to po...

Page 133: ...cy input Frequency Input Start Is correct signal present at TB1 4 for input and or TB1 7 for input 2 Check CPU jumpers and I O signal cable Ok Have power supply levels been checked Replace CPU End Ref...

Page 134: ...58 Pro Pac Analog Input 2 Analog Input 2 Start Is signal present at Input 2 TB1 7 8 Check jumpers I O signal cable OK Have power supply levels been checked Replace CPU End Refer to power supply flow...

Page 135: ...to power supply flow chart Are signals at I O TB numbers see Table 1 correct Check I O signal cable and CPU Replace I O board External wiring or field device problem End Yes No No No Yes Table 1 I O B...

Page 136: ...50 If mV selected JP1 installed Does TB1 10 11 measure 12mA or 50mV Check I O signal cable or replace CPU External wiring or controller problem 2 Start Have power levels been checked Refer to power su...

Page 137: ...tch I O J1 harness 5V power supply AC voltage at power supply Check harness Remove power supply 5V wires 5V Replace power supply Isolate 5V usage and correct or 15V at power supply Remove I O J2 or 15...

Page 138: ...The following figure may be helpful in finding test points fuses jumpers and connectors on the CPU circuit board Figure 62 CPU board simplified component layout Power Supply Board CPU Board LEDs F1 F2...

Page 139: ...PU board as division values for the output frequency to the Smart Pro Note Do not change the jumper from the current setting without consulting Ohmart Field Service Table 20 Jumper division values J1...

Page 140: ...used ON N A CPU Central processing unit on CPU board heartbeat Blinks at rate of 1time sec LED does not blink CPU not functioning Check power input Replace CPU board Aux Auxiliary input frequency sig...

Page 141: ...Source wipe Every three years unless otherwise required by applicable nuclear regulatory agency Radiation safety instructions shipped separately with source holder and following instructions Spare pa...

Page 142: ...e great care to prevent damage to the electrical components of the gauge Ohmart recommends appropriate electrostatic discharge procedures CAUTION NEVER open the black injection molded plastic housing...

Page 143: ...hours call 513 272 0131 and follow the voice mail instructions Returning equipment for repair to Ohmart When calling Ohmart to arrange repair service be ready with the following information 5 Product...

Page 144: ...erial return authorization MRA number 3 Indicate the MRA on the repair service purchase order 4 Clearly mark the shipping package with the MRA number 5 Send the confirming purchase order and the equip...

Page 145: ...Diagnostics and repair 128 W 4510 Weigh Scale Technical Reference Manual Notes...

Page 146: ...TEM 000 NEXT 000 CURRENT VAL NEW VAL 000000 000000 Figure 64 Frequency input Channel 1 screen 521 FREQIN CHAN 2 ITEM 000 NEXT 000 CURRENT VAL NEW VAL 000000 000000 Figure 65 Frequency input Channel 2...

Page 147: ...TED PRODUCT Compensated to reference temperature using process temperature and temperature coefficient 14 FINAL PRODUCT Final customer process units for display 15 DRY SOLIDS For slurries only 0 for a...

Page 148: ...CALIBRATE LOW DATE Date that current standardize or calibrate low was performed 39 STDZ CAL LOW AVERAGE COUNTS Raw count average from data collection during most recent Standardize or Cal Low procedu...

Page 149: ...ata from data pointer that gives maximum analog output 20mA or 10V 6 OUTPUT COUNTS Count value actually sent to counter See description below 7 RANGE SELECT Enter 0 to select 4 20mA range Enter 1 to s...

Page 150: ...ate and time of the last complete data collect logs Table 28 Screen 524 Auto zero log Item Parameter Name Parameter description 2729 History Index Index that places data into the arrays 2730 throug h2...

Page 151: ...second maximum 6 PRESET ALARM Equals 1 when 8 digit Total exceeds 8 digit Preset Entry Raise Preset or Reset Total to clear alarm 7 LOW TOTAL Lower 4 digits of 8 digit totalizer 8 HIGH TOTAL Upper 4...

Page 152: ...00000 Figure 68 Product code table screen The base address for screen 527 PROD CODE TABLE is 529 item 256 The n on the top line is a number from 0 to 9 This number is the current Product Code table th...

Page 153: ...ve 1 etc 4 TEMPERATURE COEFFICIENT When temperature compensation enables Entry 0 0XXXXXSGU per degrees C or F 5 DENSITY TYPE Enter 0 channel is not density or is straight density in SGU units Enter 1...

Page 154: ...r block Item Parameter Name Parameter description 0 CURVE Start of 40 slope linearizer curve Uses 41 locations Curve in normalized units usually 0 to 10 000 i e 0 100 1 The percent of process span tha...

Page 155: ...Appendix I Parameter blocks 138 W 4510 Weigh Scale Technical Reference Manual Notes...

Page 156: ...set at zero automatically Two conditions have to happen for an auto zero to occur 1 Nothing is on the belt but the belt is moving 2 Feed drops off but the line keeps running Note Talk to Ohmart VEGA F...

Page 157: ...onds to wait after dry bin LDC trips before starting AZ counter used to determine when the pause time has elapsed 2707 AZ TIMER Time has elapsed 2708 AZ STATE Used internally to synchronize AZ functio...

Page 158: ...creen press SELECT to enter item 2702 and press ENTER The number of AZs completed so far displays if the AZ is active 7 From the 529 APP ACCESS CODE screen press SELECT to enter item 2702 and press EN...

Page 159: ...arrays Note Only the counts and the date and time of the last completed data collect are logged The base address for the Auto Zero feature is 529 items 2729 to 2809 Table 34 Screen 529 Auto Zero feat...

Page 160: ...units 57 Customer Order C O Number 6 required for repairs 126 Cutoff flag 72 Cutoff time constant 72 Damping 74 data collect 99 Data collect for span 99 data collect simple 97 Data collection interval...

Page 161: ...2 Screen 524 133 screen 524 view history index AZ 142 screen 525 134 screen 527 135 screen 528 137 Screen 529 addresses 90 through 96 76 screen 529 APP CODE ACCESS 140 screen 529 items 2700 2711 139 s...

Page 162: ...4170 Rosslyn Drive Cincinnati Ohio 45209 USA telephone 1 513 272 0131 fax 1 513 272 0133 web www ohmartvega com e mail info ohmartvega com 31559 US 051201...

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