Omega Engineering DP-F30 User's Manual
Contents
1. P30 Test Mode Pe cT P31 Test Mode K Factor Calculation P31 16 Point Data Entry P31 Setting 16 Point P32 Communications for 16 Point e P33 Irregular Shape Vessel Application Note P34 SION M dactovands P34 Warranty APPLICATI 3atch control cut to length packaging blending The display may be toggled between total rate and grand total Programmable K factor makes eying in engineering units easy Unit accepts 3ulse contact closures or analog input and 3rovides two separate preset controls PREA PREB RATE TOTAL MENU PRESS C AGAIN TO SEE BATCHTOTAL PREA PREB RATE TOTAL MENU PRESS ENT TO SEE GRANOTOTAL 1 FEATURES Pulse or Analog Input with Totalizing Integration 2 Presets User Selectable for Total Rate or ran j rization rogramm 2 way 5232 422 422 Communications NEMA 4X Front Panel DESCRIPTION Featuring 8 digits of bright 55 alphanumeric display the pulse input version of the unit can accept up to 20 000 pulses per second The analog input vers2. PRESS AS DESIRED LAST COUNT READING SERIAL COMMUNICATIONS PORT IS SET Use PLL for RS422M Serial Communications when entered unit goes to LAST COUNT READING 10 STEP SETTING RATE DR TOTAL FOR 4 AND 20 m ANALDG OUTPUT SKIP IF NOT USED 70 m DISPLAY 9 MENU FLASHES LOCKOUTL DUTCARDL ALG OUTY PRESS D TO GO TO DEV 9 2 9 ENT ANALOG SETUP ANLG SELECT 4 20 mA SELECTED OUTPUT OF RATE D PRESSDTOTOGGLE ANLG SELECT 4 20 mA BETWEEN SELECTIONS OUTPUT OF COUNT ENT RATE OR COUNT SET LOW FLASHES THEN SHOWS OUTPUT SELECTED CURRENT LOW SETTING CLR 0 FLASHES 1 2 5 9 5 125 5 FLASHES PRESS D FOR DECIMAL POINT AS AN EXAMPLE IN THIS CASE 125 5 4 LOW SET AT SET HIGH FLASHES THEN SHOWS 125 5 4 mA CURRENT HIGH SETTING CLR 0 FLASHES 1 5 0 9 7 150 7 FLASHES PRESS D FOR DECIMAL POINT AS AN EXAMPLE IN THIS CASE 150 7 20 HIGH SET AT LAST COUNT READING 150 7 20 mA THE ANALOG OUTPUT IS SET PRESS DISPLAY 9 MENU FLASHES DEV 0 LOCKOUTY SETTING 0 OUTCARDY OUTPUT 0 ALG OUT L PULSE PRESS D TO 60 FREQUENCY OUT FREQY lt TO DEV OUT FREQUENCY 20004 DISPLAYS LAST SELECTION SELECTED 2001 101 20000 PRESS D TO GO TO 2000 B 9
3. 7A to 7E P14 Setting K Factor for Analog Input P15 Analog Input Exchange Calibration P15 PES Oly NN P15 Front Push Button Reset 15 namote FOSS 16 ae A P16 K Factor DATALOST RFFF P16 22225 A UMS P16 Presets HC P16 Relay Output Timing eot n P16 Scaled Output Data Lost e nene P16 TNT P17 Setting Rate K Factor for Pulse Input P17 251000 Ree o EPI TP P18 FIO MOVING tne uu uu u uuu ince cer ee tesa RE P18 Input Card Modification sss cem P18 Interface Installation RS232 RS422 RS422M P18 Outcard RS232 RS422 RS422M Serial Strobe Interface P18 VA GOGG senn SE PUEDE P18 Baud 19 Ra P19 RS232 Electrical Requirements P19 HS422 RS422M Electrical Requirements P19 HS232 RS422 RS422M Serial Input Codes P19 COGO rss OCC P
4. 234 235 236 237 238 SWITCH A gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt gt lt gt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt gt lt gt gt lt gt O O O QO O 0 gt lt gt lt 28 ADDRESS NUMBER 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 a gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt cn C5 gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt gt lt gt lt gt lt gt gt lt k CO Ov Qn M O WM SAMPLE WIRING DIAGRAM 2 A A SAMPLE WIRING DIAGRAM Personal Computer RS
5. Factor data entry is assigned a point number Any point number may be selected to view and or change the Frequency K Factor data as long as the frequencies of the ascending frequencies BAD FREQ will flash when exiting the set up mode if there is a sequence error The unit will then display the sequence error point so that corrections can be made NOTE A Unit defaults 0 K Factor to K Factor of 1 since it is impossible to divide by 0 Point 01 will be the low shut off frequency Below this frequency no rate will be displayed nor count recorded Point 01 should be assigned a frequency o 0 with a K Factor for lowest flow especially if very slow flow is to be counted NOTE C The entry of a frequency of 0 for Point 03 or above will tell the unit to continue the K Factor slope line calculated from the two previous Frequency K Factor points and ignore any higher point data If a fixed K Factor is desired assign the same K Factor to two ascending frequency points and enter a frequency of 0 in the next higher point entry NOTE D K Factors are always positive numbers To avoid undesired K Factors projected around 0 K Factors insure that a positive K Factor is assigned for the highest used frequency NOTE E The decimal in the Total and Grand Total is a dummy The K Factor should be calculated to show all numbers as if there were no decimal and then decimal added under DEC LOC s
6. X pd ta 2 gt ex O CL NO OO 00 0 l J t NT LO OO n ee ed S du w 110 VAC 60 50 Hz ANALOG FLOWMETER Flowmeters Requiring Loop Power Loop Powered By Flowmeter PULSE INPUT WITH ANALOG OUTPUT 18577 28 8558522 ee er Se ov gu 9019101000 60 50 f 24 VDC A JUL WATT METER 4 20 m SOURCE tic OUTPUT V _ 4 20 m RETURN STRIP CHART RECORDER SCALED PULSE OUTPUT C Ce gt gt 2 e lt D Tyee ttre Io CN CQ UC E Z ov lt lt 1 t i MO N SF 110 60 50 H2 y 0 12 YDU PULSE OUTPUT JUL MUST BE GREATER THAN 150 OHMS 9 0 UNIT SETUP PROCEDURE WARNING START HERE AND FINISH TO END DO NOT JUMP OR SKIP IF YOU MAKE MISTAKE PRESS ENT UNTIL YOU REACH THE BEGINNING PRESS DISPLAY FINAL PRESET PRESET IHENFLASHINGPRESET amp 0 CLR 0 FLASHES Cur CASHES SETTING t a I 2 3 4 PRESET FLASHES PRESET A SAMPLE PRESET ENT 2 3 4 ISENTERED PREWARN PRESET B STEP D T THEN FLASHING PRESET 2 CLR 0 FLASHES SETTING 1 2 0 0 1200 FLASHES PRESET SAMPLE PREWARN ENT 120015 ENTERED 0 MENU FLASHES TO OJ _________________________________
7. u O O O 5 4800 PARITY SPACE o EVEN FE 22222 I 5 s ODD O NNN e 9 o 2 OMEGA YOUR SOURCE FOR PROCESS MEASUREMENT AND CONTROL NEW w gt OMEGA These are the FREE MER complete reference pH AND books you will want to T keep within reach at all times Send for your LATEST COPY now T lt One Omega Drive Box 4047 Stamford CT 06906 0047 203 359 1660 Telex 996404 FAX 203 359 7700 Phone 203 359 1660 OMEGA An OMEGA Technologies Company
8. 149 150 15 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 27 ADDRESS NUMBER 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt X lt gt lt gt lt gt lt XX gt lt gt lt X X X gt lt gt lt gt lt X X gt lt gt lt gt lt gt lt X gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt X X X gt lt X gt lt gt lt X X gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt x O O e Oo o Oe Oo O O O O O O O O O gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt KKK xxx G O O O O O O O O O 9 O lt won W N Qn PW ADDRESS NUMBER 222 223 224 225 226 227 228 229 230 231 232 233
9. 232 tO RS 422 Converter TD THFHFD 12 34 56 78 TD TH FH FD 12 3456 78 TD TH FH FD 12345678 Unit 3 29 26 OPTIONAL 16 POINT LINEARIZATION NOTE B OF VARIABLE K FACTOR FOR UNIT 26 1 DESCRIPTION The 16 point K Factor option is ordered by adding a 4 to the suffix of the part number This feature allows the user to dial in from 3 to 16 different frequency points inputs per second and different K Factor dividers from 0 00011 to 000000 for each of these frequencies The 16 point unit determines the incoming frequency and calculates a K Factor line slope from the two closest data points that had been entered The specific K Factor is then proportionally interpolated using 8 position floating math This K Factor is applied to all inputs until the next frequency calculation usually 1 second later If a 0 frequency is entered into point 1 the point 1 K Factor will be applied to all inputs received before the first frequency calculation The rate can be displayed in 3 ways SECONDS MINUTES J HOURS or TEST Y If SECONDS is selected the unit displays the base rate calculated from the incoming frequency and the specific K Factor If MINUTES 4 is selected the rate displayed is 60 times the base rate If HOURS J is selected the rate displayed is 3600 times the base rate 26 2 POINT DATA RMATTIN In order to keep track of data each Frequency K
10. all loads in the loop 5422 input impedance is much higher and there 1 usually no problem driving 15 units Unit serial transmit line remains in a high impedance OFF state until addressed Insure that only the unit is addressed at a time To address unit transmit a D device followed by the 1 to 15 code number and a Space Once the Space has been received the unit becomes active and responds back Device Device number Once active the unit works in a full duplex echo back mode so that data sent from the terminal will be transmitted back for verification Once the unit is line use the proper serial transmit codes to request data or set a new value RS232 R5422 Serial Input Codes Up to 9 characters of data be linked together arid transmitted to the unit in a string as long as there is a space between the different codes If an error is made a correction can be made back by spacing and retyping correct data before the Carriage Return Enter is sent the unit starts processing the data and will transmit the requested data on a non priority basis over the data transmit line A unit keypad entry or incoming data will halt the data communication cycle Therefore there should be a pause after data is requested to insure that all data has been transmitted before another unit is addressed and brought on line If the unit is not busy It shoulc not require more than 5 msec to process each r
11. count speed is 20 000 Hz The maximum factored rate is 7 digits 16 POINT LINEARIZATION variable K factor option makes flow systems more accurate and often extends their usable range by allowing users to dial in different K factors for different flow rates It works with either pulse input or standard analog current loop or voltage input It is recommended for flow meters whose K factors change with different rates of flow This option can also be used to display static volume in irregular shaped vessels by interfacing level or pressure transcucers to the analog input From 3 to 16 pints of frequency from 0 to 10 000 Hz and K factors greater than 0001 to 999 999 are dialed in at set up Unit uses 8 digit floating math to interpolate between settings Rate per second per minute or per hour programmability eliminates the need to calculate separate K factors for total and rate COUNTER Each of the total and grand total counters have 8 digits In the set up mode choose reset to zero for adding operation or SP set to preset for subtracting operation While viewing the count the display can be made to flash the grand total While flashing the grand total CLR resets the grand total counter APPLICATION ALARM OOOO ee Am ELECTRIC WATT METER 2 PRINTER d OG The unit monitors the power consumption and transmits the rate total or grand total usage upon command to
12. is 250 gal per hr and it is desired to totalize in liters Rate in liters per second is 2628701 250 x 3 78533 gal to liters divided by 3600 hr to sec Counter K Factor to key into unit to totalize in liters from 250 gal per hr transmitter is 38041 603 10000 divided by 2628701 11 2 ANALOG INPUT EXCHANGE CALIBRATION If an analog sensor cannot be obtained that matches the unit input it is recommended that the unit be returned to have the analog input module exchanged and recalibrated Recalibration should only be attempted by someone who had the equipment to generate a very accurate low and high signal and who has the training to open the unit and work with grounded equipment necessary to protect the static sensitive CMOS circuitry Set the ratemeter at 6 sig fig the window at 01 and the K Factor at 1 See the section Removing the Case to get the analog input card mounted just behind the display there are two pots that set the 0 R3 and 10000 Hz R15 frequency R3 and R15 are silkscreened just under the 3 inch square pots While inputing a very accurate high input signal Set R15 so that the frequency is 9999 to 10000 Go back and readjust R3 to insure it is at 0 Readjust H15 until it is as close as possible to 10000 12 RESET The reset is edge active once reset the unit will accept new data even if reset is held 12 1 FRONT PUSH BUTTON RESET Pressing the front CLR button will reset the control o
13. of measurement To display the rate press the C RATE TOTAL button while the unit is displaying the batch is displayed on the left side of the display to indicate that rate is being displayed The unit calculates the rate from the period between pulses The unit measures the average time between pulses divides this by the K Factor and a reciprocal math calculation to find the rate per second As long as pulses come in faster than 3 per second the unit will update each second The 2 to 24 second WINDOW time selected at set up is the maximum time the unit will wait for sufficient pulses to make an accurate calculation before it displays zero 1 to 6 SIG FIG significant figures be selected in the set up mode The unit will normally display the number of digits selected The unit will normally display the number of digits selected The unit is auto ranging and will place the decimal within these digits to display the true factored rate If the rate scaled by the K Factor has more digits to the left of the decimal point than the number of significant digits selected additional zeros will be added to fill in digit spaces to the left of the decimal place Eg Factored rate is 123 456 A SIG FIG set 4 display reads 123 4 B SIG FIG set 2 display reads 120 This allows the user to show either the exact rate with the least significant digits changing with only a slight rate change or to create a more sta
14. preset numbers can be made to flash without interrupting the control function by pressing A Preset A or B Preset B Press ENT to return to rate or total display Change the preset by clearing the flashing preset number and keying in a new number before pressing the ENT button Count pulses may be lost if the preset is changed while pulses are coming in In the Relay Set Up the user selects either one or both preset outputs to be activated the total grand total or rate If selected for total or grand total the outputs can be set to activate the preset count for 0 1 to 9 9 seconds or latch 0 0 setting until reset selected for rate control the rate will be compared with the preset at each display update and the output activated if the rate is equal or grater than the preset The output drops out again only if the rate drops below the preset If the rate goes out of scale the display will show all F and the output will remain in the state prior to going out of scale Qutcard RS232 or RS422 serial two way communication options are available Up to 15 units can be linked together and addressed separately to transmit unit status or accept new set points in the standard ASCII format Baud rates of 300 600 1200 2400 4800 or 9600 as well as choice of odd even space or mark parity can be selected by keypad control OPTION 1 RS232 Serial Interface OPTION 2 RS422 Serial Interface OPTION 5 RS422M Serial Interfa
15. the panel lens assembly Slide the main board display out the front of the case Once modifications are made reverse the procedure to re assemble the unit insuring that the main board is in the track The six 6 screws that hold the panel must be tight to seal the rubber keypad panel assembly approximately 0 6 in Ib torque 21 INPUT CARD MODIFICATION Follow Removing the Case procedure Section 20 The Input Card is mounted just behind the display and plugs onto the 15 pin post connector Remove the board and make desired changes When installing the input card insure that the component side of the board is facing the front and that the 15 pin connector is mated to the proper pins and not offset to the side Replace the front panel per section 20 22 INTERFA INSTALLATION 5232 5422 5422 Follow Removing the Case procedure Section 20 The RS232 and RS422 cards have a 15 contact ribbon cable that plugs into the female connector next to the heat sink Choose the proper interface card With components on top and subminature connector to the back plug in the harness and mount the card on the four 4 standoffs provided After the main board is inserted into the case replace the front panel per Section 20 23 QUTCARD RS232 RS422 RS422M ERIAL STROBE If the serial interface option is supplied up to 15 units can be linked together See Strobe Input Operation t link more than 15 units Uni
16. 0 CPS DATALOST flashes If the input divided by the rate K Factor exceeds 7 digits RFFF flashes These alarms indicate that the factored speed has been exceeded and data is invalid Increase the K Factor divider 14 COUNTER Unit accumulates up to 8 digits of batch and grand total count the setup mode choose RO Reset to Zero for adding operation or SP Set to Preset for subtracting operation While running display can be made to display and 8 digit grand total by pressing ENT while the unit is running Activating CLR while the grand total is flashing resets the grand total counter 15 PRESETS The unit has two independent presets In the setup mode the user selects whether the Counter Rate Meter or Grand Total counter activates either or both Preset A and Preset B outputs The preset numbers can be displayed or updated at any time by pressing A Preset A or Preset B Enter the flashing preset number or press CLR and key in a new number and ENT to enter it If the Total or Grand Total counter is set to control an output that output will activate for the time duration selected under RELAY when the counter reaches the selected preset number If the Rate is set to control and output that output will be activated when the rate equals or exceeds the preset rate and drop out again when the rate goes Jelow the preset Note that the preset for rate can be entered with deci
17. 20 Serial Interface Operation P20 Strobe Address Operation P21 Strobe Input Electrical Requirements P21 Strobe Input Wiring 22 0000005 P22 WING aerobe P22 Strobe Wiring Of RS232 25 Pin Connector P22 RS422 Strobe Input Wiring 2 4 4 42 24 2 1 22 15422 duele inda 22 Strobe Wiring Of RS422 37 Pin Connector P23 Analg MESE P23 ROF nM TTE 23 EN P23 CLIO P23 Communications seccceseree tensor nee ie P23 Data Transmissions 2202222 22 2 P24 gt et P24 Seting Up th ep P24 SWIICh S sa aa a tud P24 Multidrop Repeat Mode Jumper Settings P24 Setting the Address 22 2 222 2 22 25 Number Switch Table 25 Sample Wiring Diagram t P29 Optional 16 Point Linearization P29 BET do Tm P30 Point Data Formatting
18. 25 msec on off E S1 S2 OFF 0 20K Hz min 25 usec on off S3 S4 set the input characteristics as designated by the 5th and 6th digits of the part number Input 3A S3 S4 OFF needs sourcing input Input 3B has S3 OFF S4 ON needs sinking input 11 ANALOG INPUTSThe analog input versions accept signals from transmitters that give linear outputs The input signal modules are mounted just behind the display and are calibrated for the input specified Insure that he sensor output matches the unit input Connect the analog signal to input A Pin 4 with the return to ground Pin 12 Square Law 4 20mA 250 input impedance the 6A input is a special input that compensates for non linear inputs Specifically inputs that require square root extraction to provide accurate count and rate determinations The input signal is converted to 0 to 10 000 pulse per second input to the process see Table below 4 20mA re Law Tabl mA Input Pulse Sec Pulse Sec 4 0000 6123 5 2500 E 7071 6 3535 16 8660 7 4330 18 9354 8 5000 20 10000 14 To calculate the Pulse Sec for a particular input use the following formula mA 4 10000 Pulse Sec to Processor 16 EXAMPLE To calculate the Pulses Sec for 9mA Input n 9 4 x 10000 5590 Pulses Sec to Processor 16 1 E ANAL INPUT The analog inputs are converted to a highly linear O to 10000 pulse per second frequency The high level of any analog input will gene
19. 3 14 15 0 2 4 3 10 11 12 13 14 15 1 2 3 321 0 0 0 0 0X0X 0 0 0 0 O X XO 0 X X 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 X X X X000 X000 SWITCH 4 0X0X 0 0 0X0X 0 0 0 X 0 X ADDRESS UMBER N 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 IT 7 10 11 12 13 14 15 1 3 10 11 12 13 14 15 0 1 4 6 7 10 11 12 13 14 15 1 2 3 UN SWITCH 4321 00X0 00X0 00 0 00 0 00 0 00 0 00 0 00XX 00XX 00 00XX 00XX 00XX 00XX 00XX 00 XX 00 00XX 00XX 00XX 00XX 00XX 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0 0 0 0 0 0 0 0 ADDRESS UMBER 42 43 44 45 46 47 N 48 48 49 50 51 52 53 54 55 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 X000 X000 129 130 131 gt lt gt lt O O gt lt gt lt gt lt 84 85 86 26 ADDRESS NUMBER 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148
20. 422M It is recommended that you first read the Operating Instructions of the unit to become familiar with the format and methods used in setting up the basic instrument before using the RS 422M communication option 25 2 INTRODUCTION RS 422M equipped units communicate with the host computer over an RS 422 communications link The serial link is composed of four twisted pairs and a ground 9 wires that connect to each RS 422M unit It is possible to communicate with up to 256 individual units on a single serial link This reduces wiring costs by eliminating the need for bringing large bundles of field wiring back to a central controller The RS 422 link offers excellent noise immunity over long cable lengths 25 3 COMMUNICATIONS RS 422M units can be configured to operate in multidrop or repeat mode via jumpers located on each RS 422M board In a multidrop configuration the last unit in the network can be up to 5000 feet from the host computer and up to 100 units can be connected without the need of repeater card In this mode if power is lost on one RS 422M unit communication to that board are lost but communications to the rest of the RS 422M boards on the link remain intact A multidrop repeater card can extend a communications link an additional 5000 feet with the addition of another 100 RS 422M boards Longer distances can be covered by using multiple repeater cards 23 zxample of internal MULTIDROP operation IX Host R
21. DP F30 SERIES RATEMETER TOTALIZER Operator s Manual M1091 1289 WARRANTY OMEGA warrants this unit to be free of defects in materials and workmanship and to give satisfactory service for a period of 13 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that our customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation Our Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge However this WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA 5 control Components which wear or which are damaged by misuse are not warranted These include contact points fuses and triacs THESE UNITS ARE INHERENTLY DANGEROUS AND ARE INTENDED TO BE INSTALLED AND USED ONLY BY QUALIFIED PERSONNEL NO WARRANTY EXTENDED HEREIN WILL APPLY IF SUCH UNIT IS INSTALLED OR USED BY UNQUALIFIED PERSONNEL THERE ARE NO WARRANTIES EXCEPT AS STATED HEREIN THERE ARE NO OTHER WARRANTIES EXPR
22. E INPUT CODES Octal Code 0 Preset A request PB Preset request KC K Factor or counter request KR K Factor of rate request DC Display of count request DT Display of grand total request DR Display of rate request mI 21 WIRING HOOKUP RS232 STROBE SUB D 25 PIN CONN 2 RD gt 3 RS 232 T 516 GROUND 4 RTS 5 CTS 6 054 OPT 8 RLSO INTERFACE 20 OTR 9 DLI lO 0 2 i OL 4 STROBE 8 STROBE DATA 23 11 STROBE INPUT WIRIN The unit RS232 option has a subminiature D25 pin female connector and is wired as a DCE Data Communications Equipment device If it is connected to a DTE Data Terminal Equipment device the interconnect cable should have wires 2 and 3 connected straight to the same pins on each end it is connected to another DCE device Pins 2 and 3 must be crossed so that the wire to Pin 2 on one end goes to Pin 3 on the other end and Pin 3 on one end goes to Pin 2 on the other end 23 11 1 RS232 WIRING The unit requires only three wires for RS232 communication Pin 7 Signal Ground Pin 2 Receive Data Pin 3 Transmit Data Pin 4 Request to Send are jumped internally to echo back the signals Pins 6 Data Set Ready 8 Received Line Signal Detector and 20 Data Terminal Ready are also jumped internally to echo back any signal PIN NNECTOR The 3 data lines to generate the request code DL 1 Pin 9 DL 2 Pin 10 2 DL 4 Pin 11 must be set and remain con
23. ESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE OMEGA ENGINEERING INC 15 NOT RESPONSIBLE FOR ANY DAMAGES OR LOSSES CAUSED TO OTHER EQUIPMENT WHETHER DIRECT INDIRECT INCIDENTAL SPECIAL OR CONSEQUENTIAL WHICH THE PURCHASER MAY EXPERIENCE AS A RESULT OF THE INSTALLATION OR USE OF THE PRODUCT THE BUYER S SOLE REMEDY FOR ANY BREACH OF THIS AGREEMENT BY OMEGA ENGINEERING INC OR ANY BREACH OF ANY WARRANTY BY OMEGA ENGINEERING INC SHALL NOT EXCEED THE PURCHASE PRICE PAID BY THE PURCHASER TO OMEGA ENGINEERING INC FOR THE UNIT OR UNITS OR EQUIPMENT DIRECTLY AFFECTED BY SUCH BREACH EVERY PRECAUTION FOR ACCURACY HAS BEEN TAKEN IN THE PREPARATION OF THIS MANUAL HOWEVER OMEGA ENGINEERING INC NEITHER ASSUMES RESPONSIBILITY FOR ANY OMISSIONS OR ERRORS THAT MAY APPEAR NOR ASSUMES LIABILITY FOR ANY DAMAGES THAT RESULT FROM THE USE OF THE PRODUCTS IN ACCORDANCE WITH THE INFORMATION CONTAINED IN THE MANUAL ENGINEERING INC An OMEGA Technologies Company One Omega Drive Box 4047 Stamford Connecticut 06907 0047 Call OMEGA Toll Free Sales 1 800 82 66342 1 800 Customer Service 1 800 622 2378 1 800 622 BEST Engineering Assistance 1 800 872 9436 1 800 USA WHEN CT 203 359 1660 CABLE OMEGA EASYLINK 62968934 And International TELEX 996404 FAX 203 359 7700 Return Requests Inquiries Direct al
24. NPUT DE DXX S Device and address number followed by space activates the unit that has been assigned that number That unit comes on line and transmits Device Unit is now ready to receive a code or string of codes separated by a space A Carriage Return Enter code enters the codes and processing of requests begins 19 23 7 DE R UNIT DC Will transmit count DR Will transmit rate DT Will transmit grand total Will transmit counter K Factor KC S XXX Will load counter K Factor number KR Will transmit rate K Factor KR S XXX Will load rate K Factor number PA Will transmit Preset A PA S XXX Will load preset A number PB Will transmit Preset B PB S XXX Will load Preset B number RC Will reset counter to zero if in RO mode adding or set counter to Preset A if in SP mode subtracting Output is reset RC S XXX Will set counter to number no other change is made RT Will reset grand total to zero RT S XXX Will reset grand total to number 23 8 SEHIAL INTERFACE OPERATION Data is received and transmitted over standard EIA RS232 or RS422 levels Each 10 bit character is made up of a start bit 7 bit ASCII code parity bit and stop bit Unit number baud rate and parity are entered in the Outcard set up mode and remain in memory even if power is off Note that the input impedance of RS232 is 3K or 7K Ohm worst case The terminal addressing the unit must be capable of driving
25. PRESS AS DESIRED LAST COUNT READING AND PRESS DISPLAY p MENU FLASHES TO 0 LOCKOUTL SETTING 0 5154 541135 RELAY D ALG OUT FUNCTION 0 OUT FREQ ON TIMES RELAY PRESS D TO GO TO DEV RELAY SELECTED GR TOT GRAND TOTAL SET TO CONTROL RELAY A L IF RATE IS SELECTED DURATION DISABLED e A TOTAL L PRESS AS DESIRED DUR A CONTINUED ON NEXT PAGE 12 STEP 9 SETTING RELAY FUNCTION AND ON TIMES CONTINUED VIEWING RATE BATCH TOTAL GRAND TOTAL PRESS DISPLAY CLR DUR 00 1 2 5 AN EXAMPLE DUR A 1 2 RELAY ON FOR 1 2 SECS ENT ON TIME ENTERED E PRESS AS DESIRED CLR 5 5 AS AN EXAMPLE ENT TIME ENTERED IF RATE IS SELECTED A DURATION DISABLED TOTAL I GR TOT 4 GRAND TOTAL SET CONTROL RELAY DUR B DUR B 00 DUR B 5 5 RELAY ON FOR 5 5 SECS LAST COUNT READING RELAY ON TIMES SETI NOTE THIS POINT YOU SHOULD ALL SET UP AND READY TO GO HEB ENT 13 RATE READING zzdsgrss44 BATCH TOTAL PRESS C TO 60 BACK TO RATE AGAIN GR TOTAL FLASHES THEN THE GRAND TOTAL FLASHES BATCH TOTAL PRESS C TO GO BACK TO RATE AGAIN PRESS ENT TO GO BACK TO GR TOTAL 1 L IN Accept output pulses from most encoders prox switches or conectors Connect the pulse to Input A Pin 4 The unit
26. STABLE DISPLAY DERIVED FROM THE EQUATION OLD DATA x WEIGHT NEW DATA WEIGHT 1 NOTE PRESSING THE CLR BUTTON WHILE VIEWING THE RATE WILL UPDATE THE RATE DISPLAY TO THE LAST SAMPLE WEIGHT ENTERED LAST COUNT OR RATE READING YOUR RATEMETER IS SET D MENU FLASHES TO DEV Vx D LOCKOUTL ENT LOCKOUT SELECTED CODE FLASHES THEN SHOWS E OLD CODE NUMBER LOCKOUT CODE CLR 0 FLASHES 11111311 I 1 1 1 FLASHES ENT CODE ENTERED PRLCKL PRUNLKL Lockout of front panel Lockout of all front buttons except Presets A B and CLR LOCKOUT SELECTION LAST TOTAL COUNT READING ENTERED 111113113111 LOCK ON FLASHES APPROPRIATE PANEL CHANGES LOCKED OUT 1 1 1 1 LOCK OFF FLASHES PANEL CHANGES ALLOWED LOCKOUT IS SET UP STEP 5 SETTING THE OUTPUT CONN CARD SKIP IF NOT USED PRESS DISPLAY D MENU FLASHES DEV D LOCKOUTL D OUTCARDY ENT OUTCARD SELECTED UNIT 44 UNIT 00 2 AS AN EXAMPLE UNIT 12 ENT LABELED 12 PL4 SER RS422M E BAUDRATE FLASHES THEN DISPLAYS LAST BAUDRATE USED 3004 6004 12001 24004 48004 96004 PRESS D TO GO TO 3004 TENT PRESS As DESIRED PARITY FLASHES THEN LAST PARITY SELECTED IS DISPLAYED 2 2 2 21 D EVENL D 0004 D 0 SPACE PRESS D TO GO TO EVENJ
27. ___ xs ENT RTL CNTY RATE OR COUNT SET UP COUNTER K FACTOR FLASHES THEN SHOWS CURRENT KFACTOR E G 1000 TEB CLR FLASHES zF ASHES 1 0 2 7 9 1 278 FLASHES PRESS D FOR DECIMAL POINT K FACTOR IS DIVIDER IT CONVERTS INPUT TO ENGINEERING UNITS FACTOR IS DIVIDER IT CONVERTS INPUI TU ENG MEE TENT FACTOR ENTERED ROL SPY RESET TO 00 DR GET TO PRESET SUBTRACT or D SELECTS RO OR SP SELECTION ENTERED DEC LOC DECIMAL POINT LOCATION PRESS ANY NUMBER DEC PT MOVES TO THAT POSITION ENT LAST COUNT READING COUNTER IS SET 7 STEP 4 SETTING THE RATEMETER PRESS DISPLAY 0 MENU FLASHES TO DEV ENT RTL CNTY RATE OR COUNT B RATEMETER SELECTED K FACTOR FLASHES THEN SHOWS CURRENT K FACTOR E G 1000 CLR 0 FLASHES 2 7 5 8 27 8 FLASHES PRESS D FOR DECIMAL POINT K FACTOR IS DIVIDER IT CONVERTS INPUT TO ENGINEERING UNITS ENT K FACTOR ENTERED WINDOW 44 CLR WINDOW 00 5 5 AN EXAMPLE WINDOW 05 EXTENDS THE SAMPLING WINDOW TO 5 SECONDS WINDOW ENTERED 516 FIG CLR SIG FIG 00 6 5 AN EXAMPLE SIG FIG 06 SIG FIG INDICATES HOW MANY MEANINGFUL DIGITS ARE SHOWN TRAILING ZEROES ARE INSERTED IF NECESSARY SIG FIG ENTERED WEIGHT CLR WEIGHT 00 161 6 5 AN EXAMPLE WEIGHT 66 WEIGHT IS WEIGHTED AVERAGING FACTOR HIGHER SETTINGS PROVIDE MORE AVERAGING FOR MORE
28. a can be read and changed as explained under Communication Section of the manual Codes to address 16 point data F frequency KzK Factor A to P Point number 1 to 16 Frequency for A Point 1 KA K Factor for A Point 1 FB Frequency for B Point 2 KB K Factor for B Point 2 Use of letters A to P for Points 1 to 16 FP Frequency for P Point 16 KP z K Factor for P Point 16 To request a transmit of data send a code for information desired To change data send the desired address code followed by a space and the new number desired Sample Code request and response TRANSMIT FROM TERMINAL S 2 Space Example D13 S unit 413 activated 5 0 5 5 123 ENTER Frequency for A Point 1 is set to 0 K Factor for A Point 1 is set to 123 Example D D11 S unit 11 is activated FC S 500 S KC S 305 S FC S KC S ENTER Frequency for C Point 3 is set to 500 K Factor for C Point 3 is set to 305 Frequency of C Point 3 is sent K Factor of C Point 3 is sent 1 Frequency speed must increase with ascending point numbers A bad sequence can be entered over the serial part Unit will use calculated K Factor based on first frequency match found which may be wrong Check by requesting a transmit of all frequency points used FA FB FC FD to F_ to insure ascending sequence is entered or enter POINT 00 on front keypad and unit displays BAD SEQ if there are err
29. a printer PLC or computer Either control Relay A or Relay B can be activated by rate total or grand total readings If Relay A is set for rate it can activate an alarm for load management if the preset usage is exceeded Relay B can be set to activate at any rate total or grand total alarm setting The customer has it his way when selecting the external devices to record the unit data A frequency selectable pulse output can drive any MOUNTING AND DIMENSION Dimensions are in inches mm 2 480 62 9 6 000 152 4 1525 13 3 2 495 010 63 4 25 7 365 010 187 0 25 COMPUTER totalizer PLC computer or other pulse input device from 10 to 20 000 Hz With the analog output option the customer keys in both the 4mA and 20mA rate settings and the unit drives the strip chart recorder load shedding or other monitor devices Finally with the RS232 R5422 or RS422M option the customer can have a printer record any data or have a computer communicate with up to 256 units to monitor the usage change alarm points reset the internal counters etc from a remote location RATE TOTAL CONTROLLER PNP PRORIMITY SWITCH Or 7 lt gt 2 I CN FO m 110 V So eh a ata ntn a te eu e n noa a a e PNP PROXIMITY SWITCH DO8P ANALOG INPUT ip see gt gt
30. bic foot etc D Record this frequency and K Factor for later entry into point 1 or point 2 See NOTE B above to determine if data should be entered in point 1 or 2 E Assign ascending point numbers to correspondingly ascending frequencies when recording frequency K Factor data A minimum of 3 points and a maximum of 16 points must be entered 20 4 DATA ENTRY FOR 16 POINT Press D until 16 POINT appears on display ENT Press D to step through options SECONDS Scaled rate per minute selected MINUTES Scaled rate per minute selected HOURS Scaled rate per minute selected TEST Test mode rate per second with 1 count for each input fixed K Factor of 1 selected Press ENT when selected option is displayed Point 00 will appear on the display ENT POINT 00 to exit the set up and go to run mode or key in a point number from 1 to 16 and ENT K will flash with present K Factor for that point ENT or CLR and key on desired K Factor Continue to step through the POINT numbers to view or change data If a frequency of O is entered in POINT 3 or above the unit will ignore data above that point number A K Factor generated from the line slope of the 2 previous POINT entries will be applied to higher frequencies Exit point set routine by setting to POINT 00 and ENT Unit will go to run mode BAD FREQ will flash when exiting the set up mode if there is a sequence error The unit will then display the seq
31. ble display by showing zeros in the less significant digits NOTE If the rate exceeds 7 digits the display shows RFF indicating speed has been exceeded 18 1 SETTING RATE K FACTOR FOR PULSE INPUT K Factor rate per sec pulses per unit gallon foot revolution K Factor rate per min pulses per unit 60 Factor rate per hr pulses per unit 3600 The rate meter with a Factor of 0 to 1 displays the rate of incoming pulses per second To display the frequency or rate per second simply key in the number of pulses per gallon revolution foot or other unit of measurement This will usually be the same as the K Factor used for the count If it is desirable to display the rate per minute or hour divide the pulses per unit of measurement stated on the sensor by 60 rate per minute or 3600 rate per hour Example A sensor generates 850 pulses per gallon and you want to display gallons per hour Set the counter K Factor at 850 to batch in gallons Set the rate K Factor at 0 2361111 850 divided by 3 600 To convert to other units of measurement calculate the number of pulses for the desired unit of measure and use the formula above Example Sensor give 850 pulses per gallon and you want to batch in liters and display in liters per minute Example uses conversion 1 gallon equals 3 78533 liters Counter K Factor 224 55109 Sensor gives 224 55109 pulses per liter 850 divided by 3 78533 T
32. c Host RS 422M Board RS 422M RS 422M Board Board Repeater card available from OPTO 22 15461 Springdale Street Huntington Beach California 92649 Phone 714 891 5861 n REPEAT MODE a total of 256 units may eside on a network RS 422M units operating in his mode receive and re transmit the data link signals power failure at a given RS 422M site vill effectively break the link at that point Units yeyond the disabled unit will be unable to ommunicate with the host RS 422M units jperating in repeat mode may not reside on the lame serial link as RS 422M units operating in nultidrep mode xample of internal REPEAT mode operation 25 4 DATA TRANSMISSION 3aud rate is the speed at which data is ransmitted expressed in bits per second RS 122M supports 7 baud 300 600 1200 2400 800 9600 and 19 2k which are automatically selected AUTO BAUDRATE by the RS 422M insure secure data transmission every RS 22 command message and every response ncludes a calculated checksum RS 422M will 101 execute a command containing a checksum TOF 25 ECIFICATION All Electrical specifications meet EIA RS 422M standards Refer to the units manual for a complete description 25 ETTIN P THE UNI Under OUTCARD section of MENU select the proper unit number Refer to Setting Address section of this manual Press the enter button to continue to PL and SER Select PL for RS 422M option and pres
33. ce See RS422M Section Lockout Unauthorized front panel changes can be prevented by entering a user selected 4 digit code the LOCKOUT mode 2 level LOCKOUT offers the user the option to LOCKOUT all front panel changes or LOCKOUT all but preset A B and CLR 3 status of the unit can be observed but ON appears if changes are attempted Entering the code returns the unit to LOCK OFF status RATEMETER Accurate to 5 1 2 digits display digit The rate meter can be programmed to accept almost any number of pulses per unit of measurement sample from 2 to 24 seconds maximum and autorange up to 6 digits of significant information The rate meter with a K factor of 1 displays the rate of pulses per second Simply dial in the proper factor to display in minutes hours or other units of measurement Press the C button while the units is displaying the batch to display the rate R is displayed on the left side of the display K FACTOR The K Factor is used to convert the input pulses or frequency generated internally by the analog input to engineering units The 8 digit K Factor dividers with decimal keyed into any position allow easy direct entry to any K Factor greater than 0 0001 to 99999999 Separate K Factors may be entered for the count and rate section Thus you may batch and total in gallons and display rate in liters per hour The maximum factored
34. counts on the negative edge of a pulse Low Oto 1 VDC High 3 to 30 VDC 10 1 INPUT Has a 10K Ohm pull down resistor to ground and must be driven high by a sourcing device such as a PNP transistor or a contact to DC Pin 12 10 2 INPUT Has a 4 7K Ohm resistor to 12 VDC and must be driven low by a sinking device such as a NPN transistor or a contact to ground Pin 12 3 PULSE SPEED The Max input speed is specified by the 8th digit of the part number based on a 50 on off pulse Although the unit can accept pulses as short as 25 usec on off if speed E is selected it is advised that only the maximum speed needed be ordered When lower speeds are specified 8th digit of part number additional filtering is added that make the inputs more immune to electrical noise A input speed should always be used when pulsing with a switch contact to prevent additional erratic count inputs See DATALOST not in Section 13 10 4 INPUT SWITCH SELECTION Inputs use an input signal conditioning board which is plugged onto the main board just behind the display It has dip switches which set the debounce iiltering max count speed See section for Removing Case to get to the input modules if changes on the pulse input board are needed PROGRAM SWITCH Z ON 51 S2 53 54 51 S2 determine debounce filtering and control max input speed A S1 S2 ON 0 40 Hz min 12 5 msec on off C S1 ON S2 OFF 0400 Hz min 1
35. ctual volume to determine the the point K Factor to be entered with the test frequency Simply key in these point frequencies and K Factors in order of ascending frequencies Volumes between the 16 points entered will be interpolated from a K Factor line slope generated from the closest 2 points entered Once the 16 Point frequencies and K Factors are entered set the unit to Second reading of rate to display actual volume in the vessel Disregard the counter readings Two separate control relays can be set to activate at different volume for monitoring or dispensing applications An optional 4 to 20mA output of the corrected volume can be supplied to drive a strip chart recorder remote meter or other equipment 27 CONCLUSION This manual has attempted to cover all aspects of operation of the unit It is written to cover most anticipated problems and misunderstandings if some questions still arise or you feel some improvements can be made to this manual please feel free to contact your local representative We hope you will be pleased with our product 11 you have any questions concerning our warranty repair modification or returned goods process please contact your local distributor 28 WARRANTY This product is warrantied against defects in materials and workmanship for a period of two 2 years from the date of shipment to buyer The warranty is limited to repair or replacement of the defective unit at the
36. ection of DEV TYP MENU Note that the autoranging decimal in the rate R display will be shifted to the left as the Dummy Decimal is shifted to the left so that the rate display will be the same as the count Example A meter gives 33 4 pulses per gal and it is desired to display in 1 10 gal Move K Factor decimal place to the left and decimal under DEC LOC MENU K Factor for gal and 1 10 is 3 34 Rate will show 3 34 with decimal added while it would show 33 4 if no decimal were added 30 26 3 TEST MODE A special TEST mode can be selected to help set up the points and K Factors If TEST v is selected the RATE R display will show the frequency pulses per second of the incoming signal The TOTAL section will accumulate one count for each incoming pulse 26 3 1 TEST MODE AL Calculate the K Factors for flow meters with pulse or analog transmitters A the 16 point units to TEST and ENT point OO to go to the run mode B At the lowest desired flow rate rest the counter and let the unit count the incoming signal while the rate displayed is recorded C Interrupt the input signal when the known tested volume has gone through the flow meter Switch to count display and read the number of counts that came in from the known volume as displayed on the unit Divide the counts by the volume that past through the meter to determine the number of counts for 1 unit of measure gallon cu
37. equest To find the cycle time to process and transmit a request calculate the bit transmit time by dividing 1 by the baud rate multiply by the number of requests made Example Typical time to transmit 1 uninterrupted request at 300 baud rate is 272 sec 1 300 x 80 005 This time will be extended if the unit must service the front keypad or one of the inputs In practice if transmission has not started within 2 seconds after data is requested It can be assumed that there is a problem When transmitting the unit will precede each data value with a Carriage Return and Line Feed code and answer only with requested data in the order the requests were made After all requested data has been transmitted any new communication must be started again by DXX Device number and space 20 Following are two examples of requests and responses Transmit from Receive from Terminal Unit S Space Example A D13 S Device 13 Unit 13 Activated PA S 76546 S PA S PA 76546 PA 5 1575 5 5 1575 RC ENTER RC Unit presets and counter K Factor are set counter is reset 76546 1575 Example B D7 S Device 7 Unit 47 Activated PA S 12347 S PA S PA12347 PA RC S 456789 S DC S RC 456789 DC RT S 376 S DT ENTER RT 376 DT Unit preset counter and total count are set 12347 456789 376 23 TROBE ADDRE PERATION Another method of reading the status of a unit with either a RS232 or RS422 opt
38. er 110 15 or 12 to 27 VDC B 220 15 or 12 to 27 VDC Current Maximum 280 mA or 5 3 V at rated AC voltage Qutput Power On AC powered units only 12 VDC at 100mA Separate isolated 12 VDC at 100 to allow 12 VDC or 12 VDC regulated 5 worst case Memory EEPROM stores all program and count data for minimum of 10 years if power is lost Standard High impedance pulse input Open 0101 low 3 to 30 VDC hich 10K Ohm impedance 20 KHz max input speed min on off 25 usec The current loop or voltage input is converted to a highly linear O to 10KHz frequency This frequency can then be scaled by the 8 digit K Factors to count or display rate in separate engineering units Accuracy over full temperature range Zero error 0 175 full scale max Overall error 40 596 full scale max Reset Front push button Clear resets displayed number and control output Remote 3 to 30 VDC positive edge resets batch counter and control output Impedance 10K to ground DC Minimum pulse 5 msec Temperature Operating 32 F 0 C to 130 F 54 C Storage 40 F 40 to 200 F 93 C Factored Qutput The unit give one pulse out for each factored count Open collector sinks 30 VDC maximum to 1 volt maximum at 100mA maximum Output speed is user selectable see Table below An internal buffer holds up to 10 000 pulses for output at the selected frequency bef
39. in 3 Data is transmitted in RS422 serial format on Transmit Data Lines Pin 6 24 542 24 ANAL Nhen used with digital input 3A or 3B the Analog Output module is separate and plugs on ust to the right of the input module When used with analog input 7A to 7E the Analog Output ogic is combined on one analog input output nodule The white wire from the module plugs onto pin J2 6 The output on external pin 3 is a4 to 20 mA output corresponding to the selected ate readings sinking driver generates a linear current across recorder PLC computer external neter In the program set up mode the user is srompted to SET LOW 4mA rate and SET HIGH 20 rate ANALOG OUTPUT d PEN gt t o lt 85 534 3 T 494428 110 YAC nie VIP IY 60 50 Hz 4 20 mA RETURN STRIP CHART RECORDER The unit can supply the 24VDC to power the current loop Connect Pin 15 to Pin 13 Pin 16 is now 24VDC with respect to Pin 12 With Pin 15 connected to Pin 13 connect Pin 16 to the DC side of the external device and connect Pin 3 to DC side of the external device 25 OPTIONAL RS 422M 25 1 GENERAL The unit RS 422M option is fully compatible with standard Opto Mux control modules It can be connected into the bus with other control modules to give high speed counting rate monitor and control This document summarizes the operation of the RS
40. ion accepts inputs such as 4 to 20 or 1 to 5V It uses a highly linear integrator V to F converter to generate 0 to 10KHz digital pulses The unit has two separate 8 digit floating decimal K factors to convert the inputs to meaningful count and rate data The user with the push of a button can toggle back and forth to view the total of the batch the rate of flow and the grand total count Two controls outputs can be assigned independently by the user to activate at preset batch count rate or grand total for 1 to 9 9 seconds or until reset externally A scaled pulse output is also provided by an open collector driver Since the output frequency is user selectable at 10 200 2K or 20KHz the unit can transmit the count data to electromechanical or electronic counters as well as computers programmable controllers or other monitor equipment An optional analog 4 to 20mA output selectable between rate or total allows the user to select 4mA and 20 rate settings to control strip chart recorders or other peripherals Up to 15 units can be connected to optional RS232 or RS422 communications port to set control points or access data With RS422M up to 256 units can be linked together and addressed separately to transmit unit states or accept new set points The Baud rate is Auto Ranging from 300 to 19 2K It is also OPTOMUX Compatible 2 SPECIFICATIONS Display 8 Digit 55 Segment Red Orange LED Input Pow
41. ion is by means of a separate strobe address and a 3 bit data request code Use of the strobe address method does not allow the input of new set points but theoretically hundreds of units could be linked together to transmit the data in the unit over the serial transmit line in the standard RS232 or RS422 format The unit could be assigned any code number other than 00 The 3 bit data request code would be latched in at the positive edge of a 3 to 30 VDC strobe input that remain high a minimum of 25 milliseconds Requests are processed on a nonpriority basis Normally data will begin to be transmitted from the unit over the 5232 or RS422 serial transmit line within 5 msc unless interrupted by a keypad entry or other signal input No other unit should be brought on line until data requested has been transmitted 23 BE INPUT ELECTRICAL REQUIREMENTS Both the RS232 and RS422 interface option cards have inputs that allow data to be requested over a separated strobe input and a 3 bit data request code input Any number of the 3 data request code lines can be linked in parallel as long as the source can drive the combined load of all inputs linked together 1 5K Ohm divided by the total number linked together Data is transmitted over the serial lines using standard RS232 or RS422 characteristics Strobe and data ground as reference TROBE INPUT LEVEL 0 or low Open or 0 to VDC 1 or high 3 to 30 VDC Impedance 1 5K Ohm STROB
42. l warranty and repair requests inquiries to OMEGA Customer Service Department telephone number 203 359 1660 BEFORE RETURNING ANY INSTRUMENT PLEASE CONTACT THE OMEGA CUSTOMER SERVICE DEPARTMENT TO OBTAIN AN AUTHORIZED RETURN AR NUMBER The designated AR number should then be marked on the outside of the return package To avoid processing delays also please be sure to include 1 Returnee s name address and phone number 2 Model and Serial numbers 3 Repair instructions OMEGAs policy is to make running changes not model changes whenever an improvement is possible That way our customers get the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC O Copyright 1989 OMEGA ENGINEERING INC All rights reserved including illustrations Nothing in this manual may be reproduced in any manner either wholly or in part for any purpose whatsoever without written permission from OMEGA ENGINEERING INC Printed in U S A TABLE OF CONTENTS Foatures Dascrptiolnis sauser de P 1 NS se 2 Terminato P3 Opala toh P3 Dimensions Mounting re P5 WINING STAS GS P6 Se Ped ua as P7 Pulse IDpUlS Je NE FS P14 NU SA C e P14 gt GET EN P14 PUSS 55000 14 Input Switch Selection P14 Analog Inputs 5A to
43. mal when keying in the rate preset number 16 RELAY OUTPUT TIMING Control output timing is selected by pressing D until the RELAY mode is selected and entered Any time duration from 1 to 9 9 seconds or latch until reset 0 0 setting may be entered for the A and B outputs Once the output has been activated the unit must be reset before another output will occur 17 ALED TPUT DATA LOST The unit generates a pulse out for each factored count An NPN transistor output Pin 2 capable of driving 100mA from 30 VDC max can drive external devices at rates of 10 200 2 000 or 20 000 counts per second as selected through keypad menu Min on off times in milliseconds are 47 5 2 0 0 2 and 0 013 respectively If the inputs scaled by the K Factor generate faster pulses than the output speed selected an internal buffer will store up to 9 999 counts 16 before DATALOST flashes on the screen This indicates that the counts being totaled and the scaled outputs may be incorrect Note that all counts being totaled and the scaled outputs may be incorrect Note that all counts stored in the internal buffer will be pulsed out at the selected frequency even if the counter is reset Speed Hz 10 200 2000 20000 Minimum on off msec 47 5 2 0 0 2 0 013 18 RATE METER Accurate to 5 1 2 digits one display digit the ratemeter is autoranging and can be programmed by the K Factor to display almost any engineering unit
44. o find the rate per minute K Factor divide the count K Factor for liter 224 55109 by 60 seconds per minute 33 743518 17 19 2 K Unauthorized front panel changes can be 3revented by entering a four digit code chosen the user in the LOCKOUT setup mode unit leaves the factory with code 1 000 If a code of less than 4 digits has been entered the unit adds prefix O s to make a four digit code Ihe selected code should be recorded in a safe place A choice of two level lockout offers the user the option to lockout all front panel changes or lock out all but preseis A B and CLR Entering the code in the set up mode does not disable the keypad but keying in the four digit code while in the run mode will activate LOCK ON The status of the presets rate and grand total can be viewed but LOCK ON appears if changes are attempted Only by keying in the four digit code into the keypad while the unit is in the run mode will the unit return to the LOCK OFF status 20 REMOVING THE CASE To install or change the input or data interface cards the case must be removed Before opening case remove all power CMOS logic is used Use standard precautions against damage by static discharge If the unit has a data interface option RS232 422 422M two screws in the back designed to secure the top left connector may have to be removed Next remove the six 6 flat head 4 40 x 1 4 screws behind the panel and lift off
45. option of the manufacturer This warranty is void if the product has been altered misused dismantled or otherwise abused All other warranties expressed or implied are excluded including but not limited to the implied warranties of merchantability and fitness for a particular purpose 34 DP F30 WORKSHEET Fill in and file for future reference MODEL SERIAL COUNTER UNIT K FACTOR ere Reset to Q LOCKOUT CODE Set to Preset DECimal LOCation 0 8 PR LCK PR UNIK 8 7 6 5 4 3 2 1 0 0 0 0 0 0 0 0 0 NONE O PRESET A PRESET B RATEMETER K FACTOR eee RELAY Open Collector WINDOW 02 24 _ TOTAL D cine A GRand O FIGures 1 0 ____ RATE DJ WEIGHT 00 99 DURation of 0 0 9 9 AnaLoG OUTput RaTeL count B TOTALO SET LOW rate 4mA GRand TOTal D SET HIGH rate 20 mA B RATE D OUT FREQuency URation of 0 0 9 9 200000 20000 2000 2 lt 100 so 9 5 Or gt gt QUTCARD LI lt 8 55 UNIT 00 15 mi 5 nn 5 ParalleL Llor O 53459 22 dd 38 RS422M SBE eb 5505 44 BAUDRATE 3000 lt c CM pues SHST Eu gt 2 600 0 5225592222882858555 02 5 1200 0 EET EE dd 75 2400 D c t
46. ore DATALOST flashes indicating pulses are lost If factored rate exceeds 7 digits RFF flashes These arms indicated that speed has been exceeded Control Outputs Each of two outputs 1 NPN Transistor Version Optional Open collector sinks max 250mA from 30 VDC when active When relay is used 10 VDC is provided at transistor outputs through relay coil greater than 2mA is used relay will remain energized Applying greater than 10 VDC may destroy unit Transistor will sink 100mA in ON state 2 SPDT Relay Version 10A 120 240 VAC or 28 VDC Standard nal Digital or analog inputs except square law can be ordered with a 4mA to 20mA output of the rate or total reading User keys in the 4mA and 20mA settings at set up A sinking driver generates a corresponding linear current through the external devices updating with each update of the rate or total Accuracy is 100 uA worst case Compliance voltage must be 3 to 24 VDC non inductive The unit can provide the DC source as long as the drop across any device being driven does not exceed 21 V 3 TERMINATION DP F33 4 20 mA Input WIRING CONNECTINGS EXTERNAL DC POWER DRIVE 1 OPTO INPUT COMMON NOT USED 41 2 NOT USED SCALED OUTPUT 1 3 INPUT B ANALOG OUTPUT 4 PULSE ANALOG 5 RESET INPUT 1 6 NOT USED 4 7 NOT USED 4 8 NOTUSED 4 OPERATIONS Presets Two control presets are provided on the unit The
47. ors 2 After device is activated there must be a delay to allow Device 4 to be transmitted by the device before new commands are sent to the unit RECEIVE FORM THE UNIT Device 413 123 Unit echoes back command as sent Device 11 FC 500 KC 305 FC KC Unit echoes back commands as sent 500 305 Unit transmits frequency and K Factor data for C Point 3 33 26 7 IRRE LAR SHAPE VESSEL APPLICATION NOTE MEASURE VOLUME IRRE LAR APED VESSELS WITH NEW 16 POINT LINEARIZATION OPTION IN THE UNIT In the past it was difficult to calculate the volume of liquid and set up the equation or computer model to display the volume in containers with odd shapes usually required that a special electronic memory be made for each container The 16 Point option allows a simple was to program the unit to display correct volume with resolution to 10 000 parts all that is needed is the analog signal from a weight or level transducer 4 to 20 or 0 to 20mA 010 5 1 to 5 0 to 10 VDC The easiest way to set the 16 points is to use the Test mode while filling the vessel In this Test mode the unit converts the analog signal to a 1 to 10 000 base frequency reading Record the Test frequency reading in a column next to actual amount put into the vessel Choose 16 points where there is a significant ratio change between the frequency reading and the actual volume Divide the Test frequency by the a
48. rate this 10000 Hz frequency The pulses go directly to the central processor Use the counter and ratemeter K Factors to convert the pulses to the correct units of measurement Rate K Factor 10000 R where high output rating 20ma 5V of transmitter 10000 divided by 20mA or SV rating of transmitter Eg 20mA rating of transmitter is 250 gal per min Use input 5A 4 20mA The rate K Factor to key into the unit for gal per min is 40 10000 divided by 250 If a rate is desired in a different unit of measure or a different timebase factor the transmitter rating to the unit of measure and timebase desired and use the formula above Eg 5V output rating of a transmitter is 300 gal per min and rate desired is liters per hr Use input 5C 1 to 5V The factored rate for this transmitter for liters per hr is 68135 94 300 x 3 78533 gal to liters x 60 min to hr The rate Factor for liters per hr is 0 1467654 10000 divided by 68135 94 Counter K Factor 10 000 R Sec where R High output rating 20mA or 5V of transmitter factored to rate per second Eg 20mA rating of transmitter is 500 gal per min Rate per sec is 8 3333333 500 divided by 60 Counter K Factor to key into unit is 1200 10000 divided by 8 3333333 If a different unit of measure is desired factor the given transmitter rating to the desired unit of measure in units per second and use the formula above Eg 5V rating of transmitter
49. rk when loaded with a 3000 Ohm load to signal ground Outputs must be capable of being shorted to other signal lines without burning out It is normally recommended that cable length be limited to 50 feet 23 5 RS422 RS422M ELECTRICAL REQUIREMENTS The input of the unit follows the standard E1A high impedance minimum of 12K Ohms When the 422 A input is more positive than the 422 B input by 2V to 6V a 1 or Mark condition is recognized When the 422 input 2V to 6V a 0 or Space is recognized Data is recognized by the popularity of the voltage difference between the two lines Noise picked up on the line will make little difference since the noise is usually added to each line and the voltage differential remains the same The output driver drives the transmit lines to a differential of 2 to 6V It is designed to handle loads up to 60mA of sink or source current and features positive and negative current limiting for protection from line fault conditions Since the RS422 is more immune to noise cable links up to 1000 feet or more can be used Because of the high input impedance of RS422 line terminating loads are recommended For hook up to a single unit a 150 to 200 Ohm resistor across Receive Data or at the unit and at the remote terminal is often sufficient For multiple hook up other standard terminations should be used Total loading should not be greater than 90 Ohms 23 6 RS232 RS422 RS422M SERIAL I
50. rminal 23 3 PARITY Parity is a bit of information that is inserted before the stop bit is used It is used to help check that the transmission is correct In the Outcard set up mode select between Odd Parity bit is logical zero if total number of logical 1 s in the first seven data bits is Even Parity bit is logical zero if total number of logical 1 s in the seven data bits is even Mark Parity data bit always logical 1 high Mark Space Parity data bit always logical 0 low Space If a Mark parity is chosen it will appear that two 2 stop bits are used Use the Mark parity with terminals using parity OFF or NONE These terminal ignore the parity The unit does not check the parity but does transmit the parity chosen If the parity requirements of the interface terminal are not known it is often practical to key in a different parity until the correct one WOIKS 23 4 RS232 ELECTHICAL REQUIREMENT Unit uses standard E1A specifications Standard inputs must present a load of 3000 to 7000 Ohms A voltage level of 3V to 25V referenced to signal ground is read as a Space or O and indicates an active state asserts a control line A voltage level of 3 to 25V is read as a Mark or 1 and does not indicate and active state does not assert a control line Outputs must send a voltage of 5 to 25V referenced to signal ground for Space and a voltage of 5 to 25V for a Ma
51. s enter button again Once the unit is back in the Run mode the RS 422M card will be activated 25 7 SWITCH SETTING Switch numbers 1 8 are located next to the terminal connections and are easily accessible Switches 1 4 are for the selection of the proper group of addresses see section on SETTING the ADDRESS Dipswitches 5 and 6 are for the selection of the proper terminating resistors Depending upon whether the unit is the last one on the network or whether Repeat or Multidrop mode is selected For Repeat mode switched 5 and 6 are always on In Multidrop mode switches 5 and 6 are off unless the unit is the last on the network In the multidrop mode only the last unit on the network has switches 5 and 6 turned on NOTE Switches 7 and 8 are not uses 25 MULTIDROP REPEAT JUMPER SETTINGS The nine mode select jumpers are set at the factory prior to shipping If the unit must be changed between Multidrop and Repeat mode the case must be pened Refer to Removing the Case section in the units manual Locate the 9 jumpers on the top communications P C board and change to the mode desired per the following table 44212312425 2607 28 29 MULTIDROP REPEAT 24 25 TING ADDRE Each unit can be assigned a unit number from 0 to 15 through the front keypad in the OUTCARD setup mode Switches 1 to 4 located next to the terminal at the back set the 0 to 15 group number for the unit Use a combina
52. stant while the positive strobe of at least 25 milliseconds is given on the strobe input Pin 18 Data is transmitted in RS232 serial format on Transmit Data Line Pin 3 23 12 RS422 STROBE INPUT WIRIN The unit RS422 option has a subminiature D 37 pin female connector and is wired as a DCE Data Communication Equipment device It is designed to be connected to a DTE Data Terminal Equipment device it must be connected to a DCE device it will be necessary to cross wires 4 and 6 as well as 22 and 24 at one end of the connector harness RD 80 18 TO A nose TO 8 DATA RTS CTS 2 PE 2 2 INTERFACE x DTR RLSD rm DER RLSD lt DL oL 2 DL 4 SIROBE STROBE 516 GROUND DATA SIC GROUND 23 12 1 5422 WIRIN Unit requires only 5 wires for 5422 communications Pin 22 Receive Data A Pin 4 Receive Data B Pin 24 Transmit Data Pin 6 Transmit Data B Pin 20 Sig Ground The following groups of pins have been jumped internally to echo back the signals 7 9 25 27 11 12 13 29 30 31 Signal ground Pins 19 20 should be connected to provide a common reference 22 23 12 ROBE WIRIN 1 7 PI NN The 3 data lines to generate the request code Pin 21 DL2 Pin 14 DL4 Pin10 must be set and remain constant while the positive strobe of at east 12 milliseconds is given on strobe input P
53. tion of the switch settings and program to set a specific number for up to 256 units SAMPLE 1 Setting an address number of 45 Refer to Table 1 and see where 45 falls under address Set the switches corresponding to 45 ie 00 0 Then thru the front keypad of the unit in outcard section of menu under unit amp select 13 SAMPLE 2 Setting an address number of 160 Refer to Table 1 and see where 160 falls under address Set the switches corresponding to 160 ie Then thru the front keypad of the unit in the outcard section of menu under unit select 0 SAMPLE 3 Setting an address number of 248 Refer to Table 1 and see where 248 falls under address Set the switches corresponding to 248 ie XXXX Then thru the front keypad of the unit in the outcard section of menu under unit select 8 25 10 NUMBER SWITCH TABL TABLE 1 X 0N O OFF ADDRESS SWITCH NUMBER 4321 UNIT 7 0 0000 0 1 0000 1 2 0000 2 3 0000 3 4 0000 4 5 0000 5 6 0000 6 7 0000 7 8 0000 8 9 0000 9 10 0000 10 11 0000 11 12 0000 12 13 0000 13 14 0000 14 15 0000 15 16 000 0 17 000 1 18 000 X 2 19 000 3 20 000X 4 21 000X 5 22 000X 6 23 000X 7 24 000X 8 25 000X 9 26 000X 10 27 000X 11 28 000X 12 29 000X 13 30 000X 14 31 000 xX 15 32 00 X 0 0 33 00X 0 1 34 00X0 2 36 00X0 3 37 00X0 4 38 00X0 5 39 00X0 6 40 00X0 7 4 00X0 8 25 7 9 10 11 12 13 14 15 1 5 6 7 8 9 10 11 12 1
54. ts status and new set points can be communicated by remote hook up Mode changes however must always be made on the front keypad Data 5 transmitted at selected baud rates using standard seven bit ASCII characters and parity with two additional bits of Start and Stop to make up the standard bit character See Unit setup to select and enter desired Code Number Baud Rate and Parity RS422M has automatic baud rate selection and uses an eight bit word up to 256 units can be linked together See RS422M Section 23 1 UNIT DE Each Unit in the hook up must be assigned code number from 1 to 15 through the front keypad in the Outcard set up mode Number 00 is reserved for a dedicated hook up to only one terminal and its transmit output line remains in an active state Units assigned other numbers have outputs that remain in the off high impedance state until addressed by their code number or brought on line by positive edge of Strobe input Once a unit is addressed do not address another unit until the data has been entered a Carriage Return has been sent and 18 any data requested has been transmitted back 23 2 BAUD RATE The baud rate is the speed at which data is transmitted expressed in bits per second Baud rates of 300 600 1200 2400 4800 or 9600 are available Use the front keyboard to call up the Outcard set up mode and select the desired baud rate that is compatible with the remote te
55. uence error point so that corrections can be made If TEST is selected point data can be entered into memory but when running unit will add one count per each input fixed K Factor of 1 and display frequency rate per second of incoming signal See TEST MODE for more information 31 PRESS DISPLAY SETTING MENU FLASHES DEV 16 POINT K FACTOR LOCKOUTY OUTCARDY ALG OUT DUTFREQ I 16 POINT MINUTES HOURS 4 OTE If TEST is TESTI E D SECONDS ves E MINUTES _ C et dn de LU c 1 selected time POINT 00 ENTER POINT 00 TO ENT PRESS AS DESIRED ntries However GO TO RUN MODE re rik M 1 SELECT POINT 1 POINT O1 KEY IN POINT DESIRED est Mode K Factor ERENUENCY 5 always 1 Rate R F MTS dire iei trane IN MEMORY 1 5 Inputs per second F 9 aunter displaus 1 100 FREQUENCY SELECTED ount per each input 9 FOR POINT SHOWS K FACTOR BAD SEQ will LENT Kr IN MEMORY ppear if frequencies re not in ascending CLR K 0 d 1 0 0 K 100 K FACTOR FOR POINT ENT POINT 02 ENTER POINT DATA ae with 2 2201020 SELECT POINT 00 je m POINT STO EXIT SET DP LAST TOTAL COUNT READING orrected 16 POINT CURVE IS SET UP 32 20 MUNICATI 16 POIN When 16 Point option is supplied with either RS232 or RS422 option dat
56. utput and any displayed number load the Preset A number into the display if SP subtracting mode of operation has been selected 15 12 2 REM E Applying a 3 to 30 VDC pulse of minimum 5 msec resets the batch counter and control output Impedance 10K to ground DC 12 3 AUTO RESET To recycle the unit choose the preset which is to activate the reset and set it s Relay Duration as short as possible Place a 10K Ohm resistor between reset Pin 5 and the chosen transistor output for the preset chosen Pin 19 or Pin 20 The relay acts as a pull up resistor and the unit resets after the control output times out After the unit is reset it will operate even though the reset is high The reset is edge triggered and only resets when the input goes high Note that if Pin 5 is pulled high by a resistor it must be pulled low a min of 5 msec and then allowed to go high to reset the unit 13 FACTOR DATALOST RFFF The K Factor is used to convert the input pulses or frequency generated internally by the analog input to engineering units The 8 digit K Factor dividers with decimals keyed into any position by use of the D button allows easy direct entry of the desired K Factor A separate K Factor may be entered for the count and rate section Thus you may batch and total in gallons and display rate in liters per hour NOTE If the counter K Factor is 0001 or less or if the factored count speed exceeds 2000
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