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Advanced Wireless Solutions EMO-500 Automobile Parts User Manual

1. Specific Gravity To activate a Quick Programming Option Connect the Scroll Line Input Pin 2 and the Common 1 5 Pin 6 of the 15 Pin connector on the back panel of the EMO 500 a momentary contact switch is recommended While this connection is made simultaneously push any one of the keys shown above NOTE This will not work if full programming is enabled NOTE Appendix D for a circuit drawing AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 9 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 1 Default Value 1 00 This function is address of the IDEAL RATIO which represents desired ratio of FLOW A FLOW B The default is 1 00 which represents a 1 to 1 ratio F2 Gate Time Default Value 1 85 The GATE TIME is the period of time in seconds during which the flow rate calculation is made The accuracy and response time of the flow rate display is therefore dependent upon this value To achieve a 1 accuracy the slowest pulse rate should deliver at least 100 pulses F3 Warning Default Value 5 The WARNING variable is available to set as a 96 deviation from the Ideal Ratio The ratio calculation is triggered by the first meter to deliver the number of pulses programmed under the SAMPLE AMOUNT variable The calculation compares the measured ratio to the Ideal Ratio and if th
2. 500 Operation Manual 4 8809 Industrial Drive Franksville 55126 9557 Tel 262 884 9800 Fax 262 884 9810 E Mail aw awcompany com Web www awcompany com 500 MANUAL TABLE CONTENTS Table of Contents u Overview of Display Screens on sa ae ass u ci ELA RO ripetere special Hardware Connections se sendoe ea eea Hardware for External Resets and Controls es eats e t ope ote eases extemal Resets and Controls ox dq aee etti e I Quick Programming ODUODS FE ERES Programming the EMO 500 11 Proosrammina 12 Prooraminine 2 a 13 Meters Unts E erreur eom cies ein e e Mom HEAD 15 Global Programming X EO 17 18 r A 19 Units 6I M 20 Sa MPI SIZ 20 Gate d uL 21 Analog M 21 Analog GaN rS 21 Analog E ERES 23 Unit emt ori 23 D
3. 2 pate 22 94 mecen A W 1 1 NONE AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 500 PICKUP CABLE Pickup Side AY AW COMPANY FRANKSVILLE WI 53126 THE PROPERTY Or A COMPANY CONSDERED 500 PICKUP CABLE DISCLOSED DRAVING 54 PART NUMBER pate 7 23 99 prawn SHANE WILSON C H 1 swe NONE _____ AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 40
4. Variable Value 1000 In Flow Mode 00 02 H Plow Rate 80 0 nia edi eet Imi e RR Variable Value 800 tite a eun Gu SIR Variable Value 2000 UU wen 23023 GRM ote ec OE PE u 4522 Variable Value 525 In Flow Mode 03 05 If Total Flow 10 00 Gal Variable Value 1000 AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 22 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 11 Analog Rule Default 06 The analog rule allows the user to set the analog output to follow any of the variables listed below The variable is selected by entering its number as the Analog Rule These 00 Flow 06 Ratio 01 Flow B 07 Ratio Feedback Mode 02 A B 08 Ratio w Reset 03 Total A 09 Ratio Feedback w Reset 04 Total B 10 A B Job Total 05 Total A B 11 A B Flow Rate NOTE These variables will be used in the computations as numbers in Engineering Units ccpm gals ozs etc This means that the Decimal Points if any will be dropped from the numbers For instance 113 7ccpm will be 1137 for computations 12 Unit NUImDE E ER vua Lon ox aad Default 001 This Variable is used for Serial Communication with a host computer It will identify each EMO 500
5. Tel 262 884 9800 amp Fax 262 884 9810 Email av awcompany com REV 4 10 05 500 Manual DOC EXPLANATIONS THE GLOBAL VARIABLES 1 KFR for A Default 100 0 In order to make the EMO 500 display the correct rate in an engineering unit such as GPM a scaling factor must be calculated This Rate Scaling Factor is called the KFR The KFR is calculated using the K factor of the flow transmitter being monitored The K factor is the number of impulses per engineering unit established by a calibration test For example A flow meter could have a K factor of 6304 imp Gal In order to calculate the KFR multiplier for the EMO 500 apply the following formula 6000 100 is the constant for seconds KFR 6000 1s the constant for minutes K factor 360000 1 the constant for hours This KFR is the number that should be entered in the Globals Programming section The K factor is the number published by the manufacturer as the average K factor for the transmitter For Example A flow meter has the K factor 2053 7 imp GAL and the display should show Gallons minute 6000 KFR 2 921 2053 7 The number 2921 would entered as respective and DP decimal point key would move the DP to the number 2 921 NOTE We recommend removing the insignificant decimal numbers often produced by calculator mathematics These present a misleading level of precision in the display We recommend usi
6. x 01 AW Company 8809 Industrial Drive Franksville WI 55126 web www awcompany com 24 Tel 262 884 9800 amp Fax 262 884 9810 7 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC 500 FEEDBACK The 500 also features Feedback of operation in which Ideal Ratio and the Actual Measured Ratio are compared and a 4 20 mA signal will be generated to control one of the Flow Rates This will maintain the programmed Ideal Ratio over a wide range of flow rates The formula used to determine the correct analog output is as follows Analog Output Half Range Ideal Ratio Actual Ratio Gain The Half Range refers to the middle point of the Analog Output If the output varies from 0 to 20mAmp the half point will be 1OmAmp If the Analog Offset is set to give an output of 4 to 20mAmp the Half Point will be 12mAmp To use the Ratio Feedback Mode the user should enter 07 as the Analog Rule See P 18 NOTE The Ratio Feedback Mode w Reset works in exactly the same manner excepting that the analog output will go to the start point mid point on Reset input AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 25 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC Serial Port Operations The EMO 500 has RS 232 and RS 485 serial port connections standard o
7. gt 0000 0 gt gt 0000 0 F6 F6 F AW Company 8809 Industrial Drive Franksville 55126 web www awcompany com 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 Tel 10 05 EMO 500 Manual DOC PROGRAMM As mentioned previously Limits 1 amp 2 are preset for ratio alarms and are very easily adjusted for different ratio settings via the Quick Programming Limits 3 amp 4 can be used to warn of other monitored parameters such as flow rates or totalized fluid volumes These settings can be adjusted as follows There are three parts to the full Limit Programming section and each part should be done in order They are 1 Limit 3 Rule amp value 2 Limit 4 Rule amp value 3 Limit 2 Rule and or value This procedure is also shown pictorially on the previous page First you must enter the Limit 3 Rule This means the user must select the function wanted to trigger the Limit 3 relay The options are Job Total for A Flow A Job Total for B Flow B Job Total for Flow Page through the options above by pressing F4 enter using F6 The numeric value at which the Limit 3 Relay will trip should now be entered This number will work with the Limit 3 Rule selected above NOTE The display will flash DP Location Will Match KFT KFR This means that the number entered for the Limit trip point will automatically
8. display will read F2 A F3 B FAZA amp B This is where the user can choose the input the selected Flow Meter and Engineering Unit will be set The display will the read More Selections F2zYes If both Flow Meters are programmed select F3 if not F2 will start the Meters Units Program section again NOTE The Engineering Units for and B should be the same NOTE The KFR and KFT values in the Meters Units Programming are only approximations because the K factors of the above flow meters are only approximations The user should calculate the KFR and KFT using the calibrated K factor whenever possible This will be covered in the Global Programming section AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 16 Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC F6 key will call up Global Programming 9 Nes debe qus cds Global Default Values KFR for A 100 0 KFT for A 10000 KFR 100 0 KFTforB 10000 Units for Rate 12 Hz Units for Total 08 Impulses Sample Size 200 Impulses Gate Time Analog Offset Analog Gain Analog Rule Unit Number AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com CNET 1 85seconds 0000 10200 06 01
9. IMPORTANT NEVER CONNECT THE SHIELD TO GROUND AT BOTH ENDS DOING SO CAN PRODUCE UNWANTED OSCILLATIONS IN THE SIGNAL WIRES AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 6 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 500 Manual DOC Hardware for External Resets and Controls There are 5 inputs to the 15 pin connector to provide extra control capability without having to go through the keyboard activate the external resets and controls the user should simply connect the respective pin to the common 1 5 pin Pins 1 4 are edge triggered therefore momentary contact switches should be used to activate them Pin 5 enable programming is an on off function and single pole toggle switch is recommended 18 VOLT GROUND gt FLOWMETER INPUT 18 VOLT GROUND gt FLOWMETER INPUT B 4 20 ANALOG 4 20 9 OUTPUT SHIELD GROUND 0 400 G N SERIAL COMMUNICATION AW COMPANY RACINE WI EMO 500 SERIAL No 30451992 ENABLE PROGRAMMING RESET JOB RESET JOB SCROLL DISPLAY QUICK PROGRAMMING AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC External Resets and Controls 1 Reset
10. REV 4 10 05 EMO 500 Manual DOC The answer received back from 500 will look like this A03F36712XXcr all answers start with dior Tcu PHI low byte at address 0 34 HE next byte at address 0 5 QU next at address 0 36 high byte at address 0 37 checksum ados 2 carriage return ends the string The protocol format for writing to the EMO 500 is as follows gt 01703340 587 start of string must use the gt sign ae a unit number QUID E EN PR ERE write command J use K to read do da d T DERE address to write into UIE as byte written to 0334 has ad byte written to 0335 Ote Sed byte written to 0336 checksum uus ss carriage return If the operation was successful the EMO 500 answers with Acr The following error messages have been implemented in the EMO 500 protocol 1 Undefined command something other than NO2cr Checksum error Non printable ASCII character There is a booklet published by OPTO 22 on the protocol format Checksum Calculation The calculation for the string variables in the read command would be as follows gt OLKOF3404XXcr these characters used the calculation Add the values for the ASCII Decimal variables 0 L K 0 4 0 4 5 48 49 75 48 70 5l 52 48 52
11. 1 through 4 allow for remote operation of resets display and Quick Programming 5 will enable the main programming menu lt 5 232 and RS 485 serial ports lt Analog outputs 4 20mA and 0 5V Programming functions are shown in red on the keypad of the default program variables can be changed to alternative values through the keypad or by a host computer with an RS 232 serial port There are security features to prevent unintended programming changes for more information review the pages on Quick Programming and Full Programming The Quick Programming functions allocated to certain keys are indicated in red on the keypad Keys F1 through F6 have multiple functions and are also used for the main programming purposes The alternative function of each key when in Full Programming Mode is indicated by a banner on the keypad immediately above these specific keys When programming is not enabled the F3 F4 F5 serve as Job Resets and keys 0 through9 are used to select from the 11 operating displays shown on page 1 The higher flow side should be connected to flow meter A as the Ratio calculation is A B IMPORTANT IMPORTANT IMPORTANT IMPORTANT AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC Special Features of the 500 The EMO 500 1 especially suited for use in dispensi
12. 5 4 20 ANALOG 4 20mA OUTPUT SHIELD GROUND 1 2 3 18 VOLT 4 RESET JOB A GROUND buen B 5 ENABLE PROGRAMMING 6 7 PIN 1 Ground PIN 2 Line 110v PIN 3 Line Neutral SERIAL COMMUNICATION 11 AW AW COMPANY RACINE WI RS 232 RS 485 RX 6 RX 13 Tx 3 17 7 5 GND RX 14 9 Tx EMO 500 SERIAL 30451992 Grounding Considerations The grounding is a most important consideration in an installation where microprocessor technology is applied The EMO 500 is a panel mounted unit and therefore the casing is connected to the sub panel If the sub panel is metal it should be grounded Ifthe sub panel is non conductive PIN 1 of the three pin connector on the EMO 500 back panel must be grounded To insure a proper ground we recommend connecting PIN 1 of the three pin connector to the panel s central ground point Signal and Shielding The two flow meter pick ups should be supplied with their respective 18v supply voltages and referenced to their respective grounds This will insure that the input signals from the flow meters are referenced to the ground connections on pins 2 and 5 Most applications require some signal shielding A solid aluminum wrap shielding will work fine The shield should be connected to pins 2 and 5 on the flow meter connector DO NOT connect the shielding at the flow transmitter
13. take the same decimal point location as the Total Scaling Factor KFT for Total Limits or Rate Scaling Factor KFR for Flow Rate Limits Type in the Limit 3 value desired and enter with F6 The limit 3 number must be entered to proceed to Limit 4 The Limit 4 Rule and Number entry is exactly the same as above The limit 4 number must be entered to proceed to Limit 2 Next the Limit 2 Rule can be entered If the user selects Ratio A B the Limits 1 and 2 will operate on the ratio percentage of error under F3 Ratio Programming Therefore if Ratio A B is selected limit programming is complete The unit will exit to the last display in memory before entering the programming mode AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 14 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC For example Limit 1 amp 2 can programmed for Warning amp Alarm settings A while Limit 3 amp 4 could be allocated to Warning amp Alarm for Flow B or Flow A B and Total B respectively Therefore Limits 3 and 4 be selected independently but 1 amp 2 cannot be separated Therefore if Ratio 15 selected under the Limit 2 rule the limit programming is complete The unit will exit to the last display in memory before entering the programming mode Other options are as follows Page using F4 and Enter F6 Ratio A B Job Total
14. the rest of the system capabilities If the gain factor is correct the full range of the analog output signal can be used to cover the operating range of the equipment in which it is installed The formula used to determine the analog output is as follows Variable Value Gain Analog Output 512 AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 21 Tel 262 884 9800 amp Fax 262 884 9810 7 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC The Analog Output arrived at above should number from 0000 4095 which drives a D A converter for a 4 20 mAmp and a 0 5 volt output on Pins 7 and 8 of the 9 Pin connector Therefore the gain factor be estimated by re arranging the analog output equation as follows GAIN _ 512 Analog Out Variable Value If the desired max output of the system is achieved at 5V or 20 mAmp this is equivalent to an Analog Out value of 4095 and the above equation would read GAIN 512 4095 Variable Value The Variable Value is the true flow rate or volume capability of the system measured at the analog value discussed above and will therefore depend upon the ANALOG RULE selected The Analog Rule is discussed further on the next page NOTE The value entered ignores the decimal point position For Example In Ratio Mode 06 If ldel Ratio 59 0 retta p E Variable Value 500 It Ideal Ratio TO OO ist ots en aere ER
15. 4 10 05 EMO 500 Manual DOC 500 SAMPLE CONNECTIONS POWER amp SERIAL COMMUNICATION CENTRAL GROUND SHIELDS POWER IN 110 220V 60 50 HZ G G AW COMPANY RACINE WI FEMAL MALE 9 PIN D SUB 9 PIN D SUB EMO 500 eoonraaer uw WN WI 500 SERIAL 30451992 APPENDIX AW Company 8809 Industrial Drive Franksville 55126 web www awcompany com 35 Tel 262 884 9800 amp Fax 262 884 9810 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC 900 SAMPLE CONNECTIONS ooaonvnaaeruan 1 2 3 4 5 6 7 8 9 INPUTS G N AW COMPANY RACINE WI SUPPLY FOR LOAD FROM 1 TO 5 MAXIMUM LOAD PER OUTPUT USE OUR RHN SERIES RELAYS INDUCTIVE DC 10W 2 RESISTIVE DC 50W AC 60VA MAX VOLTAGE 125 VDC 125 VAC MAX SWITCHING CURRENT 1 25 AMP APPENDIX AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com 36 Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 500 SAMPLE CONNECTIONS Q G N q AW COMPANY RACINE WI ONE RHN RELAY PER MAXIMUM LOAD EACH EMO 500 OUTPUT RELAY CONTACT ONE CONTACT SHOWN INDUCTIVE DC 60W AC 385VA RESISTIVE DC 120W AC 550VA MAX VOLTAGE 12
16. 4 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 32 LIMITED WARRANTY AW Company warrants the EMO 500 Flow Computer to be in good working order for a period of 1 one year from the date of purchase from AW Company or an Authorized AW Company distributor Should the EMO 500 fail to be good working order at any time during this 1 year warranty period AW Company will at its option repair or replace the EMO 500 at no additional change expect as set forth below Repair parts and replacement products will be furnished on an exchange basis and will be reconditioned or new replaced parts and products become the property of AW Company This limited warranty does not include service to repair damage to the EMO 500 resulting from accident disaster abuse or a Non AW Company modification to the EMO 500 Limited Warranty service may be obtained by delivering the EMO 500 during the 1 year warranty period to AW Company and provide proof of purchase date If this product is delivered by mail you agree to insure the EMO 500 or assume the risk of loss or damage in transit to prepay shipping charges to warranty location and use the original shipping container or equivalent For further information contact AW Company 8809 Industrial Drive Franksville WI 53126 Phone 262 884 9800 Fax 262 884 9810 ALL EXPRESS AND IMPLIED WARRANTIES FOR THIS PRODUCT INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITN
17. 493 AW Company 8809 Industrial Drive Franksville 55126 web www awcompany com 27 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC To calculate final checksum convert decimal number 493 into HEX 493 1EDh and take last two characters checksum The final string would look like this gt 01K0F3404EDcr Important points for serial communication 1 Serial communication will be disabled if the 500 is in programming mode 2 characters in the communication string should be in CAPITALS Example K s ASCII 75 and will be recognized by the EMO 500 but s ASCII 107 and will not be recognized 3 numbers in the communication string are represented in hexadecimal format 3 You should not try to read or write more than 12 bytes at a time due to limitations of the EMO 500 s serial buffers 4 The least significant byte of a number is stored at the lower address 5 The gt n the transmit string and A n the reply string are not used in the checksum calculation The ASCII characters needed for checksum calculations are ASCII Decimal ASCII Decimal 0 48 A 65 1 49 B 66 2 50 C 67 3 51 D 68 4 52 E 69 5 53 F 70 6 54 7 55 8 56 J 74 9 57 K 75 WARNING IMPORTANT WARNING IMPORTANT WARNING The communication port does not discriminate any addresses This means that any address can be written to a
18. 5 VDC 250 VAC MAX SWITCHING CURRENT 5 APPENDIX D AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com 37 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC NEUTRAL POWER IN 18 VOLT GROUND INPUT 18 VOLT GROUND Pen B INPUT B 4 20 3 ANALOG 4 20 5 OUTPUT SHIELD GROUND CENTRAL GROUNDING BAR Q Un SERIAL COMMUNICATION THE GROUNDING BAR SHOULD BE AS CLOSE AS POSSIBLE TO THE 500 CONNECT THE SHIELD ONLY IN ONE END BY THE 500 FLOWMETER AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 110 200 VAC m e Q JJ c lt lt lt ITI lt o 38 DESCRIPTION DATE APPR BY RS 485 NETWORK WITH MULTIPLE EMO 500 SCOMBPWR 115V 60HZ 5 485 im Ro 4902 9 9 D SUB COM1 3 4 5 2 25 D SUB 0 2 SCOMB485 2 4 Pa 22 8 6 79 8 6 7 9 86 79 8 6 7 9 500 500 500 500 9 D SUB 9 D SUB 9 D SUB 9 D SUB
19. 9 to review the limit status Off ratio alarms can be reset easily by pressing either F3 Reset A or F4 Reset B CURRENT DISPLAY SCREEN Fe PROGRAMMING HIT Fe FOR MENU F4 SELECT TAE LIMIT LIMITS 7 T 7 D TOTAL FUR BENT rap TOTAL FOR B F ENT TOTAL A B Far F ENT Fas PAGE 4 LOW FLOW 4 F4 Seen F4F Fan a FG ENT F4 PAGE TOTAL FOR A F6 ENT F4 PAGE F4F TOTAL FOR B 6 FA PAGE TOTAL A B Fare F ENT F4 PAGE rss FLOW Far 6 F4 PAGE F Fe Fe DP LDC MATCHES DP LDC 2 5 DP LOC MATCHES DP LDC MATCHES DP Dc MATCHES DP LOC MATCHES KFR KFT DP LDC KFR KFT DP LDC KFRZKFT DP COC KFRZKFT DP COC KFRZKFT DP LDC KFR KFT DP COC ENTER LIMIT 3 ENTER LIMIT 3 ENTER LIMIT 3 ENTER LIMIT 3 ENTER LIMIT ENTER LIMIT 3 0000 0 0000 ears le 0000 0 0000 0 say 0000 0 F6 F6 F6 F6 F6 SELEC SELECT ELECT SELECT SELEC SELECT 2 RUL E THE LIMIT 4 RULE THE LIMIT 4 RULE THE LIMIT 4 RULE THE LIMI 1 ru RULE THE LIMIT T RULE T T T T T T V Y Y Y rate A
20. B Faj 6 F4 PAGE F6 F6 FLOW 6 F4 PAGE re DP LDC MATCHES KFR KFT DP DP LDC MATCH KFR KFT DP LDC ES RERIRET toc MATCHES DP DP KFR KFT DP LOC KFRZKFT MATCHES DP DP LDC MATCHES KFR KFT DP LOC ENTER LIMIT 4 ENTER LIMIT 4 ENTER LIMIT 4 ENTER LIMIT 4 ENTER LIMI ENTER LIMIT 4 0000 0 0000 0000 0 0000 0 0 gt 0000 0 F F FS F F SELECT SELECT SELECT SELECT SELECT SELECT ThE EEMETL ZZRULE THE LIMITI 2RULE THE LIMITI 2RULE THE LIMITI 2RULE THE LIMITI 2RULE THE LIMITI 2RULE L jm FOR TOTAL FOR FLOW FLOW F F6 F6 DP LDC MATCHES DP LDC MATCHES DP MATCHES DP LUC MATCHES DP LDC MATCHES MATCHES KFR KFT DP LDC KFR KFT DP LDC KFR KFT DP LDC KFR KFT DP COC KFR KFT DP LDC KERZKFT UP LUE ENTER LIMIT 1 ENTER LIMIT 1 ENTER LIMIT 1 ENTER LIMIT 1 ENTER LIMIT 1 ENTER LIMIT 0000 0 0000 gt 0000 0 gt 0000 0 gt gt 0000 0 LF6 LF l re ENTER LIMIT 2 ENTER LIMIT 2 ENTER LIMIT 2 ENTER LIMIT 2 ENTER LIMIT 2 ENTER LIMIT 2 gt 0000 0 gt 0000 0000 0
21. ESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO A PERIOD OF 1 ONE YEAR FROM DATE OF PURCHASE AND NO WARRANTIES WHETHER EXPRESS OR IMPLIED WILL APPLY AFTER THIS PERIOD SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU IF THIS PRODUCT IS NOT IN GOOD WORKING ORDER 5 WARRANTED ABOVE YOUR SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVIDED ABOVE IN NO EVENT WILL AW COMPANY BE LIABLE TO YOU FOR ANY DAMAGES INCLUDING ANY LOST PROFITS LOST SAVINGS OR INCIDENTAL OR CONSEQUENTIAL DAMAGE ARISING OUT OF THE USE OR INABILITY TO USE SUCH PRODUCT EVEN IF AW COMPANY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR FOR ANY CLAIM BY ANY OTHER PARTY THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY FROM STATE TO STATE AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 33 Tel 262 884 9800 amp Fax 262 884 9810 7 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC EMO 500 SAMPLE CONNECTIONS PICKUP CONNECTIONS SHIELD TO CENTRAL GROUND v lt G 2 SHIELD CENTRAL GROUND G AW COMPANY RACINE WI 20 20 APPENDIX AW Company 8809 Industrial Drive Franksville 55126 web www awcompany com 34 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV
22. FT and then the DP decimal point key would move the DP to 0 937 See note below NOTE We recommend removing the insignificant decimal numbers often produced by calculator mathematics These are mathematically redundant and offer a misleading level of precision in the display We recommend using a maximum of 4 digits regardless of the decimal point Example for 60 675 enter 60 6 for 2 34543 enter 2 345 NOTE The largest number that can be entered as a KFT is 65000 Refer to KFR note above 3 KFR for B The operations are the same as KFR for A 4 KFT for B The operations are the same as KFT for A AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 19 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 5 Units for Rate This variable will display the Engineering Units required for the flow rate display This is strictly a display and does not perform the actual conversion of raw counted impulses Those calculations are handled by the KFR Enter the two digit number for the desired Units for Rate 00 cc min 06 gram sec 01 liter min 07 Ib min 02 gallon min 08 Kg min 03 ounce min 09 Kg sec 04 RPM 10 Ib sec 05 gram min 11 Ib Hr 12 Hz Impulses sec 6 Enter Units for Total This variable will determine the Engineering Units for Total displayed after the totalizer value It is also a display function only an
23. Grand Total A XXXXXXXX 0533 read only 4 Grand Total B XXXXXXXX 0504 read only 4 Grand Total A amp B XXXXXXXX 05A4 read only 2 Analog Out XXX AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 31 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC These special variables indicated on next page function in this manner deal Ratio The largest number that can be written into the Ideal Ratio without an overflow is 640 Variable at address 0426h is 3 bytes at 0614h is 4 bytes Job Total 502 This variable will show twice the amount read from the Job display This is because the number is actually a raw count from freq input The number read will match the totals seen in the Status Display 2 screen Job Total B SD2 Same as above Grand Total A This variable will not be stored into the backup memory until the Job Volume A has been reset Therefore the location will read zero until the count 15 stored away with the Reset Job A Grand Total B Same as above Gate Time This variable is a converted number because the keypad entry is made in seconds and a constant must be applied for computations Therefore after reading the Gate Time the number read must be converted to decimal then divided by 5388 for an answer in seconds AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com Tel 262 88
24. This reset is most powerful on the EMO 500 When activated it will reset Ratio A B Job Vol A Job Vol B amp Job Vol A B Warning amp Alarm Limits Limits 3 amp 4 Grand Totals Analog Outputs to start point 2 Scroll Display When activated this input will scroll the display through all of the 11 screens available It also allows access to the Quick Programming functions which are highlighted in red on the upper keypad line See pg 8 for more details on Quick Programming 3 Reset Job B resets OFF RATIO WARNING ALARM LIMIT 1 amp 2 When activated this input will reset the Job B totalizer This also resets the A B RATIO to the IDEAL setting which simultaneously resets the WARNING amp ALARM LIMITS 4 Reset Job A resets OFF RATIO WARNING ALARM LIMIT 1 amp 2 When activated this input will reset the Job A total This also resets the A B RATIO to the IDEAL setting which simultaneously resets the WARNING amp ALARM LIMITS Note Simultaneously pressing and holding RESET JOB A and RESET JOB B on the keyboard or through the back panel connections implements a HOLD TOTAL function 5 Enable Full Programming When activated this input enables the F2 through F6 keys to perform the programming functions shown in red on the banner strip above the keypad NOTE F3 F4 F5 will serve as Job Resets in the Job Totals screen when the Enable Programming switch is off AW Company 8809 Industrial Drive Fr
25. anksville WI 55126 4 web www awcompany com 8 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC The Quick Proqram Options QUICK PROGRAMMING DISPLAY LEs IDEAL RATIO GATE TIME in sec gt 001 00 gt 001 85 010 F6 F6 F6 F6 F6 WARNING X RATIO ALARM x SAMPLE SIZE 005 gt 0 252 ENTER gt 00200 001 00 While many programming variables such as meter selection may only require one time setting others may require some experimentation to find maximum efficiency settings It may also prove desirable to allow an operator in the field some limited ability to make some quick adjustments To accommodate these circumstances a method of jumping directly into some limited programming functions has been made available This method is called Quick Programming The functions available are noted in red on the top line of keys F1 F6 Function Keys amp 0 1 keys edens Ede Mori pup abd Ideal Ratio Gate Time nrc E RA Ratio Warning 90 oops b bo due a Qha w Ratio Alarm 96 rU ITE PON Decimal Point es Enter Sample Size
26. call up Ratio Programming Enter the Ideal Ratio This number represents the desired Ratio of Flow Amount A to Flow Amount B The default is 1 00 meaning a 1 to 1 ratio Enter the Ratio Warning This number represents the percentage of error between the actual measured ratio and the desired ideal ratio The default is 5 Therefore if the actual and measured ratio differ by more than 5 the Limit 1 relay will close Enter the Ratio Alarm This number works the same as Ratio Warning except that after the warning the EMO 500 will wait for one more sample amount before closing the Limit 2 Relay if the ratio error is greater than the programmed percentage The default is 10 AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 12 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC The key will call up Limit Programming OFF RATIO WARNING amp ALARM SETTINGS Since the EMO 500 is primarily a Ratio Monitor Limits 1 and 2 are factory set to be triggered by an off ratio condition Default values are set at Limit 1 Warning 5 and Limit 2 Alarm 10 For example If the RATIO WARNING is programmed at 10 then the LIMIT 1 contact will close when this event occurs LIMIT 2 will be similarly activated by the value programmed in the RATIO ALARM Note Press key 5 to review the current ratio alarm settings and key
27. d doesn t perform the actual conversion of total impulses to the correct value Those calculations are handled by the KFT Enter the two digit number for the desired Units for Total 00 cc 04 revolution 01 liter 05 gram 02 gallon 06 Ib 03 ounce 07 kg 08 Impulses 7 Sample SIZE Default 200 To determine the ratio the total number of pulses from both flow meters are separately counted until one of them reaches the programmed Sample Size The number of pulses from flow meter A is then divided by the number of pulses received from flow meter B The accuracy and response time of the ratio calculation are therefore dependent on the Sample Size To determine a reasonable number to program for Sample Size the main factor will be the flow meter with the lowest pulse rate should produce at least 100 pulses before the Ratio calculation If 100 pulses are counted on the slowest moving totalizer then the accuracy of the ratio calculation should be about 1 96 NOTE The pulses being counted are straight from the flow meter not scaled engineering unit values The display screen 7 Status Disp 2 is a useful guide in this selection The lower line shows the incoming raw pulse count If the Sample Amount is say 1000 the ratio display will update each time the fastest total increments by 1000 Also by this method the slower pulse count can be observed The default value is 200 AW Company 8809 Industrial Drive Frank
28. e difference in terms exceeds the programmed value the warning is activated F4 Alarm Default Value 10 The ALARM variable is similar to the warning function F5 DP Decimal Point This key is used to locate the decimal point when programming F6 Enter Locks in programmed values 0 Sample Size Default 200 To determine the ratio the total number of pulses from both flowmeters are separately counted until the fastest one reaches the programmed SAMPLE SIZE The number of pulses produced by flowmeter A is then divided by flowmeter B and the result determines the ratio calculation The accuracy and response time of the ratio calculation are therefore dependent upon the SAMPLE SIZE The flowmeter with the lowest pulse rate should produce 100 pulses before the ratio calculation is updated to achieve a 1 accuracy The display screen 7 is an useful guide for this purpose 1 56 Default 1 0 Specific gravity values may be entered for each metered flow should quick corrections be required in this value AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 10 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC Programming EMO 500 As a security precaution access to the full programming section is only possible when pin 51s enabled This can be accomplished by connecting pin 5 on the 15 pin connector to the pin 6 Common See Appendix D Next a
29. efault Values Throughout the EMO 500 24 25 Seral Port 26 Protocol Format hs r a ote at oe caren Ue 26 CHECK SU Al 21 Addr ss Informatiolio n ukawa qi 30 AUT u aaa 33 Appendix How to hookup external connections Appendix thru E AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com 2 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC Overview of Display The 0 through 9 and F1 keys display these screens except when programming Current Ratio 0 gt gt Warning Alarm Ideal Ratio FLW A 139 3 CCM gt Flow A KEY gt FLW 136 3 CCM gt Flow JOB A 10779 CC gt Job Total 2 gt JOB 11703 gt Job GR 300912 gt Grand Total 3 KEY gt 313391 gt J A B 614303 gt Job 4 gt G 623476 gt Grand Total A B gt Warning Alarm Settings CURRENT RATIO LI Ratio Mode when Limit 5 KEY gt WAR 005 ALA 010 2 Rule is not on Ratio gt A
30. for Flow Job Total for B Flow B Job Total for A B Flow A B NOTE If the user selects any function other than Ratio A B for the Limit 2 Rule the EMO 500 will still monitor the ratio of low A B but no Warning or Alarm will trip when flow is out of the programmed error percentages This will be indicated display 5 as NO RATIO MODE FOR LIMITS 1 amp 2 The F5 key will call up Meters Units Programming In this program section the user can select from 9 Flow Meters and 3 Engineering Units The EMO 500 will automatically enter the Rate Scaling Factors KFR and Total Scaling Factors KFT for each of the selections below Flow Meters and their approximate K factors 01 160000 ZHMO3 6600 HPM 15 32000 PPG 02 1 32000 7 4 1800 20 16000 PPG 02 16000 PPG 7 5 500 PPG 30 6600 PPG When in Meters Units Program scroll through Meters until selection desired appears on the display Then enter with the F key The unit will then ask the user to select the Engineering Units in the same manner Engineering Units amp GAL amp GPM OZ amp OZM AW Company 8809 Industrial Drive Franksville 55126 4 web www awcompany com 15 Tel 262 884 9800 amp Fax 262 884 9810 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC The 500 will flash Direct Selection Meter then
31. fter first hitting F2 each function key F1 through F6 will then allow access to the programming menu indicated immediately above it on the red banner strip The banner strip is labeled PROGRAMMING as indicated below ACCESS GLOBALS PROGRAMMING IMPORTANT ACCESS IS DENIED TO F3 F4 amp F5 UNTIL F2 IS PRESSED FIRST THIS IS A SECURITY MEASURE TO PREVENT UNINTENTIONAL PROGRAMMING CHANGES Reminder Note The other programming functions indicated in red on the F1 F6 and 0 keys are activated by the Quick Programming Options which are reviewed on page 8 Quick Programming is provided for immediate access to a few limited programming functions only AFTER JUMPERING PIN 5 TO PIN 6 THE ACCESS SEQUENCE IS AS FOLLOWS MAIN MENU F2 OPTIONS F3 FA F5 F6 RATIO PRG LIMIT PRG METER UNIT GLOBALS PRG Enable Prog gt F2 gt Access to Ratio Prog gt F4 Access to Limit Prog gt F5 Access to Meter Units gt F6 Access to Global Prog AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 11 Tel 262 884 9800 amp Fax 262 884 9810 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC The F1 key serves as an ESCAPE key to leave the programming functions and return to the last screen displayed The F2 key will page the user through the programming options shown above AND IS REQUIRED TO ALLOW FURTHER ACCESS The key will
32. mable through the serial port using RS 232 or RS 485 type communication Refer to the Serial Port Operations portion of this manual for complete information Sample Size of impulses collected for the Ratio Calculation To determine the ratio the total number of pulses from both flow meters are separately counted until one of them reaches the programmed Sample Size The number of pulses from flow meter A is then divided by the number of pulses from flow meter B The governor will therefore be the meter with the slower pulse rate The Sample Size determines both the accuracy and response time of the ratio calculation reducing the sample size increases the response time but decreases the accuracy A default value of 200 is factory installed See P Gate Time Time period over which Rate Calculations are made The gate time in seconds is the time period the microprocessor collects pulses to perform rate calculations A default value of 1 85 is factory installed See P 15 AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 5 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC Hardware Connections 9 9 Warning The AC Power should be wired just as labeled on the piss bem 5 three pin connector PROGRAMMING 110 200 JOB N INPUT B FOR 1
33. n the back panel 9 Pin connector The user can connect this port to a host computer and then Read or Write to any memory location in the EMO 500 The RS 232 Pins on the 9 Pin connector are Pin 3 TX transmit Pin 2 RX receive Pin 5 Ground Pin 6 RX Pin 7 TX Pin 8 RX Pin 9 TX WARNING IMPORTANT WARNING IMPORTANT The communication port does not discriminate any addresses This means that any address can be written to as well as read from Writing to certain addresses will change the operation of the EMO 500 drastically Caution is a must when programming through a host computer Double Check Addresses and Variables Before Writing to the EMO 500 Note The communication through the serial port will not work if the EMO 500 is in programming mode Protocol Format The EMO 500 uses a protocol format follows OPTOMUX by the OPTO 22 Company The format for reading from the EMO 500 is as follows 01K0F3404XXcr ERE Start of string must use the sign EE unit number under global variables read command use J to write address to read from Gest 759 number of bytes to read checksum for the string 01 0 404 iid carriage return ASC 13 ends the string AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 26 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com
34. nalog 0 4095 0 20mA 6 KEY gt gt Inputs pins 1 5 Limits Frequency Hz 7 KEY gt Total Impulses A RATIO A B 1 19 gt Ratio 8 gt FL 275 6 CCM gt Flow Rate A B 11 12 13 14 gt Limit Status 9 gt OFF OFF ON 24321 Total Differences gt 15 gt Differences AW Company 8809 Industrial Drive Franksville 55126 web www awcompany com Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC Introduction The EMO 500 is a Two Component Ratio and Flow Computer It is primarily designed for use as a two component ratio monitoring unit but can also be used as a Two Channel Flow Rate Monitor and Totalizer The EMO 500 has the added capability of current 4 20 and voltage 0 5 analog output signals These outputs can be used as representation of a selectable range of functions or in a ratio linked closed loop mode Ratio Feedback Mode The is powered 110V AC but be for 220V The back panel provides these features lt 18V supply plus ground and input lines for two flow meters lt 4 programmable relay switched limits which can be used for warnings alarms or automatic shut down control 5 Ready to Hardwire function controls 5
35. ng a maximum of 4 digits regardless of the decimal point position Example for 60 675 enter 60 67 for 2 3456 enter 2 346 NOTE The largest number that can be entered as a KFR is 65000 ignoring the decimal point position Therefore 7 3456 will fail to be accepted as too large A message will alert the user if this should occur AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 18 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC 2 KET TOU A Default 10000 In order to make 500 display correct Totalized Value in Engineering Units again the most important thing to know is the K factor of the flow meter The K factor 1 the relationship between the amount of the impulses and the engineering units In order to calculate the KFT for the EMO 500 apply the following formula 10000 KFT K factor The KFT is the number that should be entered in the Globals Programming section The K factor is the number published by the manufacturer as the average K factor of the flow meter If this is published in imp Gal the totalizer can still be set in say cc s by converting the K factor to imp cc 10000 is a constant For example A flow meter has a K factor of 106666 0 imp Gal and the display should show gallons minute 10000 9376 Gal 10666 0 The number 9376 would be entered as the K
36. ng systems with irregular flow patterns The unit employs a user programmable sampling size to govern how often the ratio display is updated the operator then has maximum control over the sampling period and can easily adjust this to suit his own system parameters The user is often more interested in the ratio of components dispensed over a period of time say in a batch rather than on an instantaneous basis Programming There are 3 methods of programming the unit two have lockout features to prevent unauthorized access Full Programming Enable The full programming menu is accessible by placing a jumper between pin 5 enable programming and pin 6 Common The F2 key will page through the menu of programming options these options are indicated in red lettering on a banner above the upper function keys See Programming the EMO 500 Pg 8 Quick Programming Feature Some variables only need to be installed once With others such as Gate Time or Sample Time the user may wish to experiment to find a preferred value To make this easier or make some selected variables permanently available such selected programming functions are accessible in the following way Simultaneously Engage the Scroll Display jump pin 2 to 6 and press one key on the upper line F1 through key 1 Note The variable is highlighted in red on the key Press Enter F6 to exit Pg 17 Serial Port Programming The EMO 500 is fully program
37. re Writing to the EMO 500 WARNING IMPORTANT WARNING IMPORTANT WARNING Tel 262 884 9800 amp Fax 262 884 9810 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC Running Back up Address in Address in Bytes Description Default Value HEX 05 5 0402 2 1000 061 0404 2 Decimal Pt 01 0637 0412 2 Eng Units 00 05 040 2 10000 061 040 2 Decimal Pt 00 0639 0414 2 KFT A Eng Units 00 05 7 0406 2 1000 061 0408 2 Decimal Pt 01 063 0416 2 Eng Units 00 0601 040 2 10000 0620 0410 2 Decimal Pt 00 0630 0418 2 Eng Units 00 050 0420 2 Limit 1 Value 1000 050C 042F 2 Limit 2 Value 2000 050E 0422 2 Limit 3 Value 3000 0510 0424 2 Limit 4 Value 4000 060B 042C 2 Limit 1 amp 2 06 0604 0429 2 Limit 3 Rule 00 0605 042A 2 Limit 4 Rule 00 0614 4 042 2 Ideal Ratio 100 0618 0420 2 Ratio Alarm 10 0622 041E 2 Ratio Warning 05 059D 0437 2 Analog Rule 06 05 0433 2 Analog 102000 05 9 0431 2 Analog Offset 0000 0606 041A 2 Sample Size 200 053D 041C 2 Gate Time 1 85 0626 042C 1 Unit Number 001 0516 read only 4 Flow A XXXX 051A read only 4 Flow B XXXX 051 read only 4 Flow amp XXXX 05B5 read only 4 Ratio A B XXXX 05 0 read only 4 Job Total A SD2 XXXXXXXX 05A6 read only 4 Job Total B SD2 XXXXXXXX 05 read only 4 Job Total A B XXXXXXXX 052E read only 4
38. s well as read from Writing to certain addresses will change the operation of the EMO 500 drastically Caution is a must Double Check Addresses and Variables Before Writing to the EMO 500 WARNING IMPORTANT WARNING IMPORTANT WARNING AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 28 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC The bytes are always arranged such that low byte is first and more significant bytes follow In the EMO 500 the least significant byte LSB is at the lower address For example If the data from the totalizer was read as 90058901 the LSB 15 90 and the MSB 15 01 The arrangement of these four bytes in the EMO 500 memory would be 90H D5H 89H And the totalizer value should be interpreted as 0189D590H 25 810 320 in decimal AW Company 8809 Industrial Drive Franksville WI 55126 4 web www awcompany com 29 Tel 262 884 9800 amp Fax 262 884 9810 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC ADDRESS INFORMATION IMPORTANT When writing to the EMO 500 there are always two locations to be changed for a permanent entry into the memory This is because there are locations for data running currently in the RAM and there are locations for data that will be battery backed If the information has been written to the running locations alone it will be lost when
39. sville WI 55126 4 web www awcompany com 20 Tel 262 884 9800 amp Fax 262 884 9810 7 Email aw awcompany com REV 4 10 05 EMO 500 Manual DOC B Gate EHlie uso vnu d vate Default 1 85 sec The gate time in seconds is the amount of time pulses are accepted before flow rate calculations are performed The accuracy and response time of the flow rate display are dependent on the gate time To achieve a 146 flow rate accuracy the lowest pulse rate should produce 100 pulses before the rate calculation is performed In display 7 Status Display 2 the lower line indicates incoming flow meter impulses an estimate of the time elapsed for 100 pulses to be accumulated by the slowest meter will give a good approximation of the minimum recommended gate time Another method would be to change the default Gate Time value by trial and error until the best results for the system and user are achieved 95 Analog Default 0000 The Analog Output Offset will number from 0000 4095 that will become bottom end of the 0 5 volt amp 4 20 mAmp analog outputs For example 0000 for O to 20mAmps and 0 to 5v 819 for 410 20mAmps and 1 to 5v 1638 for 8 to 20mAmps and 2 to 5v 2457 for 12 to 20mAmps and 3 to 5v Default 10200 The analog gain factor integrates the controller output signal range and speed with
40. the EMO 500 is turned off Below is a QBASIC program that will allow the user to communicate with the EMO 500 by initiating serial port 1 and prompting for read and write strings The strings must use the OPTO 22 protocol format described on page 18 DEFINT A Z Serial Communication Test Program for OPTOMUX Code For use with AW Company s EMO Series Flow Computers Open serial port 1 to 9600 baud OPEN COM1 9600 N 8 1 RS CS DS CD FOR RANDOM AS 1 set up loop for transmitting several strings CLS DO PRINT Enter String to send Press ENTER alone to END INPUT Transmitting String gt Transm IF LEN Transm 0 THEN END Calculate Chksum Chk 0 FOR Char 1 TO LEN Transm Chk Chk ASC MIDS Transm Char 1 NEXT Chk HEX Chk Must 2 characters 1 byte IF LEN Chk lt 2 THEN Chk 0 Chk Add the recognition character plus checksum use only the last byte of checksum Transm gt Transm RIGHT Chk 2 Send it to the EMO PRINT 1 Transm 13 Read what the EMO sending back LINE INPUT 1 Receive PRINT Received Receive PRINT LOOP WARNING IMPORTANT WARNING IMPORTANT WARNING The communication port does not discriminate any addresses This means that any address can be written to as well as read from Writing to certain addresses will change the operation of the EMO 500 drastically Caution is a must Double Check Addresses and Variables Befo
41. unit if there is more than one on the communication line For example Unit 1 would be designated 01 amp unit 2 02 etc AW Company 8809 Industrial Drive Franksville 55126 web www awcompany com 23 Tel 262 884 9800 amp Fax 262 884 9810 Email av awcompany com REV 4 10 05 EMO 500 Manual DOC DEFAULT VALUES THROUGHOUT THE 500 Ratio Programming Ideal ole 1 00 Ratio M AERIS ete ido orte e Hee te qe de ep ted E Dd Eee 5 Rato admi 10 Limit Programming Limit ernie Job Total 3000 Limit Job Total VAMC ssepe bte Wa qu tan 4000 ce E Hz eee oe IMPULSES Global Variables H 100 0 CM CT 10000 KFR for UN 100 0 KET for a ae 10000 Units 12 Units eee oda E 08 see olet a 200 Gate DOM Oo 1 85 een odi to eA 0000 Analog 10200 Analos cee epe d tbt 06

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