DMD-480-S4
Contents
1. 23456 111111 BINARY REFER TO EXAMPLES IN TABLE 3 2000 000 SWITCH ON 0 SWITCH OFF 1 ECTS 206 8 BINARY 2111111 2 SET THE DESIRED MODE OF OPERATION FOR THE DMD 480 S4 SERIES DECIMAL 2142 4 8 16 32 263 USING SWITCHES 7 amp 8 ADDRESS 1 REFER TABLE 2 FOR DEFINING MODES OF OPERATIONS 2345 MODE 3 IS USED FOR DIAGNOSTIC PURPOSES D u TABLE 2 75 8 BINARY 100000 SW7 SW8 MODE DESCRIPTION 1 0 0 0 0 0 1 ON ON OPERATE MODE Operate Mode Unit Outputs a reading whenever it is addressed by the the host computer TEST MODE Unit outputs a reading every 0 33 seconds ADDRESS 21 OFF ON continuously without being addressed 2345 ECTS 206 8 BINARY 101010 DECIMAL 1 0 4 0 16 0 21 ON OFF UNDEFINED TEST MODE Unit outputs a message MODE 3 Version 941124 OFF OFF ps Address 01 continuously C SOFTWARE INSTALLATION THE SUPPLIED OMEGA SOFTWARE C4500 BAS IS INTENDED FOR USER MODIFICATION PLEASE FEEL FREE TO MAKE ANY CUSTOM MODIFICATIONS TO THE SOFTWARE AS NEEDED IT IS RECOMMENDED THAT THE USER MAKE A BACKUP COPY OF THE ORIGINAL OMEGA SOFTWARE BEFORE MODIFYING SWITCH DECIMAL VALUE 1 TOEXECUTE THE OMEGA C4500 SOFTWARE QBASIC OR GWBASIC MUST BE LOADED ON YOUR COMPUTER 2 T2. IN 11 gt YIN A D uP w lt lt 10 1 2345678 ECTS 206 8 ADDRESS amp MODE SWITCH One Omega Drive P O Box 4047 Stamford CT 06907 4 OMEGA http www omega com ING 3 480 54 SERIES POWERED BRIDGESENSOR RS232 FIGURE 3 SINGLE UNIT RS485 COMMUNICATIONS SETUP 5 ANALOG INPUT SIGNAL AC INPUT FIGURE 4 MULTIPLE UNIT RS485 COMMUNICATIONS SETUP HOST COMPUTER COM RX RX TX TX RX RX TX TX IN IN ANALDG INPUT SIGNAL ANALOG INPUT SIGNAL B AC AC INPUT AC INPUT LAST MODEL IN CHAIN ANALOG INPUT SIGNAL ANALOG INPUT SIGNAL INPUT AC INPUT e PHONE 203 359 1660 203 359 7700 m 1 800 ING info pomega com 4 480 54 SERIES POWERED BRIDGESENSOR RS232 TABLE 3 ADDRESS EXAMPLES B DMD 480 S4 SERIES SWITCH SETTINGS 6 1 SET THE DESIRED ADDRESS FOR EACH UNIT BY SETTING SWITCHES 1 6 BY SETTING THIS ADDRESS THE UNIT IS GIVEN ITS OWN IDENTITY TO WHICH THE HOST COMPUTER WILL IDENTIFY WITH ADDRESS 63 THE ADDRESS RANGE 1 FROM 0 63 DECIMAL OR 45 uu 5 206 8
3. AND A FIXED THE SCALING EQUATION 16 VALUE C A x READING THE SETTING OF THE SCALING EQUATION ONLY APPLIES TO THE SECTION F FOR DESCRIPTION SETTING THE SCALING EQUATION 4 OPTION SELECT DATA DESTINATION THIS OPTION ALLOWS THE USER TO STORE DATA IN ONE OF 3 MODES THE DATA MAY BE DISPLAYED ON THE COMPUTER SCREEN ONLY SENT A FILE ONLY OR BOTH THIS OPTION APPLIES ONLY TO THE OPERATION REFER TO SECTION G FOR MORE INFORMATION ON STORING DATA 5 OPTION 4 DATA COLLECTION METHOD THIS OPTION ALLOWS THE USER TO COLLECT DATA IN 3 DIFFERENT WAYS AND ONLY APPLIES TO THE OPERATE MODE NOT THE TEST MODE 1 TAKE A READING EVERY Y SECONDS WHERE Y 1 ONE SECOND MINIMUM FOR A TOTAL MINUTES 2 START TAKING DATA EVERY Y SECONDS AT TIME UNTIL TIME 3 TAKE DATA EVERY Y SECONDS STARTING NOW AND CONTINUE READING DATA FOREVER THIS IS THE DEFAULT METHOD FOR THE OPERATE MODE BY DEFAULT THE VALUE FOR Y MUST BE gt 1 SECOND OME PHONE 203 359 1660 203 359 7700 MEGA 1 800 TC OMEGA ENGINEERING ING info omega com 480 54 SERIES POWERED BRIDGESENSOR RS232 6 OPTION 5 SELECT UNITS TO MONITOR THE LAST OPTION SELECTS THE ADDRESS THE MODULES BE MONITORED IN THE ORDER IN WHICH THEY ARE TO BE MONITORED ADDRESSES FROM 0 TO 63 MAY
4. BE SELECTED THE DEFAULT ADDRESS IS 1 E OPERATION MENU THE OPERATION MENU ALLOWS 4 USER CHOICES 1 OPTIONO QUIT ALLOWS THE USER TO QUIT THE PROGRAM 2 OPTION 1 SETUP THE UNITS EXECUTES THE SETUP MENU WHICH ALLOWS THE USER TO SET ADDRESSES TO INTERROGATE MEASUREMENT RATE ETC REGARDLESS OF WHETHER THE TEST MODE OR OPERATION MODE IS SELECTED CERTAIN PARAMETERS MUST ALWAYS BE ENTERED IN THE SETUP UNITS OPTION IN ORDER FOR YOUR MEASUREMENT SYSTEM TO OPERATE PROPERLY REFER TO SECTION D FOR SETUP MENU DESCRIPTION 3 OPTION 2 START OPERATE MODE WILL EXECUTE THE OPERATE MODE IF THE DMD 480 S4 SERIES HAS BEEN SET FOR MODE 0 SW7 AND SW8 ON 4 OPTION 3 START TEST MODE WILL EXECUTE THE TEST MODE IF THE DMD 480 S4 SERIES HAS BEEN SET FOR MODE 1 OR PRIOR TO ENTERING THE OPERATE MODE IT WILL BE NECESSARY TO HAVE THE CORRECT UNIT ADDRESSED AND IN MOST CASES IT WILL BE NECESSARY TO ENTER THE SETUP MENU AND SET THE SCALING EQUATION DATA DESTINATION AND DATA COLLECTION METHOD IT IS RECOMMENDED THAT THE USER OPERATE THE UNIT IN TEST MODE 3 PRIOR TO THE OPERATE MODE TO ENSURE THAT THE UNIT IS COMMUNICATING PROPERLY THE USER CANNOT ADDRESS MULTIPLE UNITS IN THE TEST MODE THEREFORE EACH UNIT MUST BE TESTED INDIVIDUALLY F SETTING THE SCALING EQUATION THE SCALING EQUATION IS SET BY WRITING THE EQUATION FOR THE TWO CONDITIONS OF ZERO AND SPAN AND THEN SOLVING FOR THE CONSTANTS THE DMD 480
5. 84 SERIES HAS AN OUTPUT OF APPROXIMATELY 41 750 COUNTS FULL SCALE IF THE MODULE WERE TO BE USED AS A VOLTAGE OUTPUT UNIT AND THE SPAN WERE TO BE 30 mV THEN THE FOLLOWING CALCULATION WOULD BE MADE One Omega Drive P O Box 4047 Stamford CT 06907 4 OMEGA http www omega com ENGINEERING ING 7 480 54 SERIES POWERED BRIDGESENSOR RS232 1 APPLY 3 mV TO THE INPUT AND READ THE 10 DIGITAL COUNTS AS THE OUTPUT K1 2 APPLY 30 mV TO THE INPUT AND READ THE FULL SCALE DIGITAL COUNTS AS THE OUTPUT K2 3 WRITE TWO EQUATIONS A K2 x A C 0 030 VOLTS B K1 x A C 0 003 VOLTS SUBTRACTING EQUATION B FROM A K2 K1 x A 0 027 VOLTS THEREFORE 0 027 VOLTS K2 K1 SOLVINGFOR 1 EXAMPLE 1 WITH mV APPLIED THE DMD 480 S4 SERIES OUTPUT READS 4185 COUNTS WITH 30 mV APPLIED THE DMD 480 84 SERIES OUTPUT READS 41 745 COUNTS A 41 745 x A C 0 030 VOLTS B 4185x 0 003 VOLTS SOLVING EQUATION A EQUATION B 37 560 x A 2 0 027 VOLTS THEREFORE 0 027 37 560 7 1885 x 107 00000071885 SOLVING FOR C 003 K1 x A C 8 38 10 00000838 VERIFY YOUR RESULTS BY PLACING YOUR SOLUTIONS BACK INTO EQUATIONS A AND B A 41 745 x 00000071885 00000838 0 030 VOLTS B 4185 x 00000071885 00000838 0 003 VOLTS IN WEIGHING APPLICATION USING A LOAD CELL WITH A SENSITIVITY 3mV V THE CONSTANT C WOULD THEN CORRESPON
6. D TO THE TARE WEIGHT OF THE SYSTEM EXAMPLE 2 WITH THE TARE WEIGHT ONLY APPLIED READ 1 500 COUNTS WITH A FULL LOAD OF 100 POUNDS APPLIED READ ABOUT 41 745 COUNTS A 41 745 x 100 POUNDS 1 500 x A C 0 POUNDS 1 OMEGA PHONE 203 359 1660 ENGINEERING ING FAX 203 359 7700 1 800 TC OMEGA info omega com DMD 480 S4 SERIES POWERED BRIDGESENSOR RS232 INTERFACE SOLVING EQUATION EQUATION B 100 40 245 00248478 SOLVING FOR 1 500 x 00248478 3 727 VERIFY YOUR RESULTS BY PLACING YOUR SOLUTIONS BACK INTO EQUATIONS A AND B 41 745 x 0 00248478 3 727 100 000 LBS B 1 500 x 0 00248478 3 727 0 000 LBS ONE COUNT 00248 POUNDS G WRITING DATA TO A FILE UNDER OPTION 3 OF THE SETUP MENU THE COLLECTED DATA MAY BE WRITTEN TO A FILE SELECTED BY THE USER THE USER MUST GIVE A FILE NAME AND A PATH DRIVEAPATH FILE THE DATA RECORDED IN THE FILE IS RECORDED IN THE FOLLOWING MANNER UNIT NUMBER ADDRESS DATE TIME UNSCALED READING AND THE SCALED READING AN EXAMPLE OF A FILE S CONTENTS IS SHOWN BELOW 1 07 30 1993 09 30 30003 10 0000 2 07 30 1993 09 30 15000 5 00190 3 07 30 1993 09 30 00015 0 00999 1 07 30 1993 09 31 30003 10 0000 2 07 30 1993 09 31 10000 3 33633 3 07 30 1993 09 31 00100 0 03831 NOTICE THAT THE DATA IS DELIMITED BY COMMAS AND Q
7. ESENSOR RS232 480 54 Series USER S MANUAL PREOPERATION A DMD 480 S4 SERIES HOOK UP FIGURE 1 REFER TO FIGURE 1 AND TABLE 1 FOR SCREW TERMINAL DESIGNATION ox w 1 CONNECT AC SCREW TERMINALS 14 AND 15 OF THE DMD 480 84 SERIES TERMINAL BLOCK mm 0 1 0 25 THRU e 2 00 2 REFER FIGURE FOR A SINGLE UNIT 485 COMMUNICATION _ HOOK UP AND TO FIGURE 4 FOR MULTIPLE UNIT HOOK UP DPP SWICH 000000009 3 THE STRAIN GAGE OUTPUT THE DMD 480 S4 INPUT 325 SCREW TERMINALS 10 AND 11 OF THE DMD 480 S4 TERMINAL BLOCK 375 SCREW TERMINAL 10 1 SCREW 1 INPUT 4 STRAIN GAGE INPUT TO EXCITATION OF TABLE 1 THE DMD 480 S4 TERMINAL BLOCK SCREW TERMINAL 13 AND THE TERMINAL FUNCTION STRAIN GAGE EXCITATION INPUT TO EXCITATION OF THE 480 54 1 COMMON SCREW TERMINAL 12 RX RX TX DMD 480 S4 Series BLOCK DIAGRAM TX EXCITATION RX ADJUST AC LINE 4 TX 4 14 15 X 522 SENSOR EXCITATION 3 INPUT EXCITATION EXCITATION 012 REFERENCE AG AG
8. OBEGIN THE SOFTWARE SETUP YOU MUST LOAD AND EXECUTE THE SUPPLIED OMEGA PROGRAM C4500 BAS WITHIN QBASIC OR GWBASIC D SETUP MENU THE FIRST MENU APPEAR IS THE MENU IF YOU WANT TO SAVE ANY SETTINGS WHICH WILL BE ENTERED INTO THE PROGRAM YOU WILL WANT TO ENTER THOSE SETTINGS DIRECTLY INTO THE SOFTWARE AND SAVE THE SOFTWARE WITH AN APPLICATION NAME XXXXX BAS AFTER YOU QUIT THE OPERATION MENU OR TURN OFF THE HOST COMPUTER ALL SETTINGS WILL RETURN TO THEIR DEFAULT VALUES UNLESS SAVED One Omega Drive P O Box 4047 Stamford 06907 4 OMEGA http www omega com ENGINEERING ING 5 480 54 SERIES POWERED BRIDGESENSOR RS232 THE MENU ALLOWS THE USER THE OPERATING PARAMETERS FOR THE DMD 480 S4 SERIES 1 0 RETURN OPERATION MENU SELECTING THIS OPTION WILL RETURN YOU TO THE OPERATION MENU 2 OPTION 1 SELECT COMMUNICATIONS PORT THIS OPTION ALLOWS THE SELECTION OF EITHER COM1 OR COM2 AS THE COMMUNICATIONS PORT FOR THE DMD 480 S4 SERIES AND THE USERS COMPUTER AND COM4 ARE ALLOWED THE SETTING OF THE COMMUNICATIONS PORT 1 ALWAYS NECESSARY FOR PROPER OPERATION OF THE DMD 480 S4 SERIES IN BOTH THE OPERATION AND TEST MODES 3 OPTION 2 SET SCALING EQUATION THIS OPTION ALLOWS THE USER TO SELECT COEFFICIENTS OF SCALING EQUATION THE SCALING EQUATION PROVIDES FOR BOTH A SCALE FACTOR
9. PHONE 203 359 1600 1 800 FAX 203 359 7700 OMEGA 2 1 4500 5 PROGRAM USER S MANUAL DMD 480 S4 Series AC POWERED BHIDGESENSOHR RS485 INTERFACE 480 54 SERIES POWERED BRIDGESENSOR RS232 480 54 Series SPECIFICATIONS DMD 482 84 DMD 483 84 DMD 485 84 Voltage Full Scale 30 mV Resistance Differential 100 megohm Current 100 pA Common Mode Voltage Analog to Digital Conversion Ratiometric w r Bridge Excitation Single Channel Input 0 to 5 Volts Resolution 1 part in 41 000 Conversion Rate 5 times second Linearity Referred to Input 0 01 of Full Scale Temperature Coefficient 0 to 55 C Zero Drift Typical 0 75 uV Span Typical Bridge Excitation Supply 0 005 C 10 Volts Adjustment Range 3 Load Current 120 mA Maximum Load Regulation 1 mV Typical Temperature Coefficient Isolation Analog Microprocessor Common to Line 0 006 C Typical 500 Volts RMS Analog Microprocessor Common to Serial Output 500 Volts RMS 115 10V Volts 50 60 Hz 6 VA 20 Available 220 xx PHONE 203 359 1660 203 359 7700 1 800 480 54 SERIES POWERED BRIDG
10. UOTE MARKS WHICH IS A STANDARD METHOD FOR WRITING TO FILES SO THAT ANY POPULAR SPREADSHEET AND DATABASE PROGRAM CAN READ THE COLLECTED DATA A DISK THAT IS COLLECTING DATA INTO A FILE WILL CONTINUE TO COLLECT DATA UNTIL IT IS FILLED UP AT WHICH TIME AN ERROR MESSAGE WILL APPEAR INDICATING THE DISK IS FULL One Omega Drive P O Box 4047 Stamford CT 06907 4 OMEGA http www omega com ENGINEERING ING 9 480 54 SERIES POWERED BRIDGESENSOR RS232 OME PHONE 203 359 1660 203 359 7700 MEGA 1 800 TC OMEGA ENGINEERING ING info omega com M 3280 4500 5 V2 1 December 21 1994
Download Pdf Manuals
Related Search
DMD 480 S4