Series One PLC to Series 90-30 PLC Translator User`s Manual, GFK
Contents
1. pa fx 1 u EA Z I OZ H N N d fd WH H H 1 H H Z o H El YH D gt gt Eo cd 2 zi H O P Li 1 t L9 N o H Fr no a Au E U E O E am o V u Ay 0 O o c H oI 2 V KG O O NE i H A H d gt AAA _ __ _ _ _ ___ 7 p 7 18 Series One to Series 90 30 Translator GFK 0486 DIVIDE FUNCTION SERIES ONE PLUS RUNG INPUT1 001 K 0004 DIV FUN 74 SERIES 90 30 EQUIVALENT WITH NO ZERO OR OVERFLOW FLAG USAGE M START DIV_ ACCUM Il Q ACCUM CONST 12 400004 SERIES 90 30 EQUIVALENT WITH ZERO OR OVERFLOW FLAG USAGE NS 4 OVERFLO MOD_ DIV 4 INT INT ACCUM Il 0 ACCUM Il Q ACCUM CONST 12 CONST I2 00004 00004 4 START EQ INT2. Fanuc Automation Programmable Control Products Series One PLC to Series 90 30 PLC Translator User s Manual GFK 0486 January 1990 WARNINGS CAUTIONS AND NOTES AS USED IN THIS PUBLICATION WARNING Warning notices are used in this publication to emphasize that hazardous voltages currents temperatures or other conditions that could cause personal injury exist in this equipment or may be associated with its use In situations where inattention could cause either personal injury or damage to equipment a Warning notice is used CAUTION Caution notices are used where equipment might be damaged if care is not taken NOTE Notes merely call attention to information that is especially significant to understanding and operating the equipment This document is based on information available at the time of its publication While efforts have been made to be accurate the information contained herein does not purport to cover all details or variations in hardware and software nor to provide for every possible contingency in connection with installation operation and maintenance Features may be described herein which are not present in all hardware and software systems GE Fanuc Automation assumes no obligation of notice to holders of this document with respect to changes subsequently made GE Fanuc Automation makes no representation or warranty expressed implied or statutory with respect to and as
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4. O O m oO 2 2 ais O 1 E i O i H H 1 H 1 21 11 gt H PLUS RUNG N Series One to Series N ct mm 1 m 54 E Ki EA H er 4 0 7 0 fx A 1 1 N gt gt gt fry 1 A A l 1 st l O O 1 1 fx fx N 1 ibe HD FH 02 0 H vd N 2 2 H SO Ex 1 NO Kd gt gt A E Ho H Fs I 2 QA O El E n PH O N fx l On ro X 1 1 EA OY P1 f vl N n a u i H HI Bl M I HO 5 A 1 HO 1 E u Zi gt Qoo E AO H O O E I KG i H A 5 ei 2 O O l O O O O 1
5. all rights including trade secret rights are reserved Ge Fanuc NA makes no representation or warranty expressed implied or statutory with respect to and assumes no responsibility for the accuracy completeness sufficiency or usefulness of the information contained herein No warranties of merchantibility or fitness for purpose shall apply Press any key to continue Figure 1 Copyright and Disclaimer 4 Series One to Series 90 30 Translator GFK 0486 4 1 Main Menu 43757 e DR Program Exit Use arrow keys to highlight choice and RETURN to select Figure 2 Main Menu The MAIN MENU screen is shown above in Figure 2 Operation of each selection will be discussed in detail below The SAMPLE file on the distribution diskette and the matching configuration in Appendix I will be used to illustrate the operation Tutorial instructions are shown in italics 4 1 1 Config This selection is used to specify the hardware configuration of the Series One system to be converted You will be prompted to specify a filename for the application If the Series One print file is already on disk you should specify that filename without extension Print files from Logicmaster 1 have a txt extension Press ENTER to select CONFIG and specify the filename SAMPLE Series One to Series 90 30 Translator 5 GFK 0486 a43758 pN e pour s px 4 ain__ s aour RACK 0 IC609SJR101 UL LISTE
6. SAMPLE configuration in Appendix A the first slot slot 2 in the CPU rack in the Series One was a discrete input Press Fl DIN It was further an 8 point SINK INPUT which happens to be the first menu item Press ENTER to select it If it had been another item the CURSOR UP and CURSOR DOWN keys would be used to highlight the selection before pressing ENTER Notice what happens 1 the module type and octal addresses are shown in the Series One rack 2 the corresponding module is placed in the Series 90 30 rack 3 its starting address is shown as 9611 4 the starting and ending octal addresses which are mapped from the Series One are displayed in the Series 90 30 slot Fill in the rest of the first rack using the SAMPLE configuration 43761 s px s aour 10 au RACK 0 3 CPU SERIES 1 o ee 0 S ER 7 d ILS A s 217 21 t b s 5 SERIES 90 30 Figure 6 Completely Specified Rack NOTE If sufficient spare points of the appropriate type are available from a previous selection those points will be used rather than installing another module in the 90 30 ie point usage is optimized This process continues until the entire content of the original Series One rack has been specified See Figure 6 for a completely specified rack If the original system has expansion rack s the CURSOR DOWN key is used to begin
7. TIMER AND COUNTER REGISTERS R319 NOT USED 79804 ACCUMULATORS leamos SERIES ONE REGISTERS ROO1 Figure 9 R Memory Usage the Translator 6 2 Algorithms Used To the maximum extent possible the translator attempts to emulate the operation of the Series One PLC In the case of contacts and coils the translation is straight forward Other elements warrant some explanation 6 2 1 Timers and Counters Series 90 30 timers and counters do NOT have a coil associated with the element but since the Series One does each occurrence of a timer or counter is brought out to an internal coil Use of contacts from the original Series One timer or counter will use the internal 90 30 coil 6 2 2 Sequencers Counters in the Series One PLC are frequently used together with the STEP function to effect a sequencer The translator will implement the counter in the normal way The STEP function will be replaced with a separate rung which includes a compare function brought out to an internal coil Contacts from the internal coil will replace the STEP references throughout the program 6 2 3 Shift Register This is one of the more difficult program elements to translate from Series One to Series 90 30 Series One shift registers can start with any bit in the 400 477 series can manipulate a group of any length and operates directly on the bits in question Series 90 30 must start with a bit on a word boundary must manipulate words
8. file respectively The folder and its files will be used by Logicmaster 90 30 to re create the application Continuing our tutorial use the DOWN CURSOR key to highlight the PROGRAM selection and press ENTER Specify the filename SAMPLE and press ENTER Or if you would like to see how the files menu works press ENTER without specifying a filename then cursor to SAMPLE and press ENTER If you are running on a Workmaster II translation will take about 20 seconds Workmaster I will take over 1 minute 4 1 2 3 Exit This selection ends the translator program and returns to DOS Series One to Series 90 30 Translator 9 GFK 0486 5 Integration The activities of the translator program are actually a front end to the Logicmaster 90 30 programming package order to continue Logicmaster 90 30 must have been installed on the Workmaster or other computer and the folder directory with the three files created in the Results section above must be available It is assumed from this point on that you are familiar with basic Logicmaster 90 30 operation The next step in the process of converting an application from Series One to Series 90 30 involves using the inherent capability of Logicmaster to read a teach in file The two DEF files created by activities described above are used to automatically enter both the hardware configuration and logic into the Logicmaster 90 30 programmer First start the Logicmaster 90 30 program and SEL
9. ie 16 bits or multiple thereof does NOT operate directly on the bits in question but takes word s as input performs the shift on an internal image ie leaving the input unchanged and Series One to Series 90 30 Translator 13 GFK 0486 places the result at the specified output reference The translator will handle all these complexities but an example will aid in understanding If a Series One shift register of 7 bits using a START bit 400 and a STOP bit 406 were translated the logic goes as follows 1 16 bits since less than 16 are used from the top of M memory ie bits 497 512 2 Select a SHL_WORD instruction since the Series One bits are in natural order ie not reversed 3 Right justify by mapping bits in order Series One Series 90 30 400 497 401 498 402 499 403 500 404 501 405 502 406 503 Bits 504 through 512 in the 90 30 will be wasted unused in this case SAA SHIFT LEFT NOI unused 503 502 501 500 499 498 497 If the Series One bits had been reversed START 406 and STOP 400 step 1 above remains the same a SHR_WORD instruction would have been selected in step 2 bits wo
10. x ul n O y x 0 O lt LU Q 5 Q gt d i 2 13 e 2 m 0 A 5 21 a E 2 lt gt o gt A XE O Z M001 Series One to Series 90 30 Translator 11 GFK 0486 6 1 2 T Memory The T memory map of the 90 30 system is shown in Figure 8 Series One references 160 through 337 non retentive coils are mapped up from 001 through T112 Series One references from 000 to 159 which are used as internals are mapped down beginning at T240 in the order in which they are encountered in the original program The translator uses T memory above 241 for math flags See usage explanation under section titled Math Functions 43763 961256 mE MATH FLAGS 961247 NOT USED 961240 aM SERIES ONE ADDRESSES 000 TO 157 USED AS INTERNALS 961112 SERIES ONE ADDRESSES BETWEEN 160 AND 337 961001 Figure 8 T Memory Usage by the Translator 12 Series One to Series 90 30 Translator GFK 0486 6 1 3 R Memory Registers are allocated by the program beginning with 90 0001 and working up in the order in which registers are encountered in the original Series One program Registers 301 and 302 are reserved as the equivalent of the Series One ACCUMULATOR 303 and 304 are the equivalent of the AUX ACCU MULATOR Registers between 319 and 512 are used for TIMER AND COUNTER functions which require 3 registers each R512 a43764
11. 30XLAT EXE MODULES DBA EQUIV DBA KEYS DBA SAMPLE TXT 2 2 Minimum Requirements Workmaster Workmaster I or other 100 IBM compatible e 256K RAM e One floppy disk drive 3 5 e DOS version 2 0 or greater The Distribution Diskette Print file of the original application from Logicmaster 1 e Layout of the Series One system ie 1 modules by slot Logicmaster 90 30 Operation requires a Hard Disk 2 3 Physical Description The translator is a software program and requires no physical description other than the PACKING LIST above 2 4 Pre Installation Setup Checkout There are no pre installation requirements 2 Series One to Series 90 30 Translator GFK 0486 2 5 Installation 2 5 1 Floppy Disk Users The translator program may be executed from floppy disk As always you should make a working copy of the original by using the DOS COPY command EXAMPLE With the original diskette in drive a and a formatted diskette in drive b type COPY A B to make your working copy 2 5 2 Hard Disk Users Substantial performance improvement will be obtained by installing the program on a hard disk First create a directory suggested name TRANSLAT on the hard disk and then copy all the files from the distribution disk into that directory EXAMPLE With the original diskette in drive a and a hard disk designated c type the following MKDIR C TRANSLAT COPY A C TRAN
12. D 51 JR 115Vac IC609SJR102 51 JR 24Vdc Sink 115 230Vac Out 1 60954 110 51 JR 24 Vdc Sink In Out IC609SJR114 51 JR 24Vdc Sink In Out RIES 1 IC609SJR120 51 JR 24Vdc Sink In Relay Out ICe09SJR121 51 JR 24 Vdc Source In Relay Out IC609SJR124 51 JR 24Vdc Sink In Relay Out IC610CPU10x SERIES ONE 5SLOT IC610CPU10x SERIES ONE 10 SLOT IC610CPU10y SERIES ONE PLUS 5 SLOT IC610CPU10y SERIES ONE PLUS slot 10 References 100 107 IC610CPU10y SERIES ONE PLUS slot 10 References 700 707 SERIES 90 30 Figure 3 CPU Selection Screen 4 1 1 1 Specifying the Series One Configuration Following selection of CONFIG from the main menu and specification of a filename the CPU Selection Screen Figure 3 is displayed A selection is made from the menu of possible Series One CPU s by using the CURSOR UP and CURSOR DOWN keys to highlight the appropriate item and pressing ENTER Once a selection has been made a graphic representation of the Series One rack is displayed on top of the screen with a 90 30 rack displayed on bottom Note if one of the Series One Junior selections was made several slots of the 90 30 will already have been filled in Referring to the SAMPLE configuration shown in Appendix A notice that it uses the 5 slot Series One CPU Use the CURSOR DOWN key to highlight that selection and press ENTER A Series One to Series 90 30 Translator GFK 0486 a43759 RACK 0 1 IE Figure 4 Initial Rack Display
13. ECT the program folder created by the translator Both the CONFIGURATOR and the PROGRAMMER portions of the Logicmaster package will be used Once in CONFIGURATOR select I O CONFIG and playback the teach in file containing the configuration information by pressing ALT and the number 2 You should see the necessary I O boards entered into the 90 30 rack together with their starting addresses When the activity is finished leave the CONFIGURATOR by pressing ZOOM OUT ESC twice and replying Y to the exit prompt Select the tutorial folder SAMPLE and try the above SINK INPUT followed by 2 RELAY OUTPUTS and another SINK INPUT board should be installed as in the Series 90 30 Sample Configuration figure below Once in the PROGRAMMER playback the teach in file containing the logic information by pressing ALT and the number 1 The first screen activity you will observe is the teach in file selecting FOLDER functions and disabling duplicate coil use checking A beep will occur during this time Next you should see the ladder diagram and NICKNAMES being typed into the programmer When the activity is finished leave the PROGRAMMER by pressing ZOOM OUT ESC 2 times and replying to the exit prompt Again using the SAMPLE folder try the above You should see the program logic being entered into the folder When it is complete use the Logicmaster PRINT function to make a hard copy You can use the DO
14. If a Series One rack type CPU has been selected one of the slots in the rack is highlighted see INITIAL RACK DISPLAY FIGURE 4 The slot cursor may be moved with the CURSOR RIGHT and CURSOR LEFT keys The function key mapping shown at the top of the screen corresponds to discrete in DIN discrete out DOUT mixed MIXED analog in AIN or analog out AOUT 243760 s px s acur SERIES 1 amp IC610MDL101 24Vdc SINK INPUT 8 POINTS IC610MDL106 24Vdc SINK INPUT D CONNECTOR LED 16 POINTS IC610MDL107 24 Vdc SINK INPUT REMOVABLE TERMINAL BLOCK LED 16 POINTS IC610MDL111 24Vdc ac SOURCE INPUT IC610MDL112 24 SOURCE INPUT TERM BLOCK IC610MDL125 115 Vac INPUT IC610MDL129 115 Vac HIGH DENSITY 16 POINT IC610MDL127 230 Vac INPUT 8 POINT LLLLLLLLL Figure 5 Discrete Input DIN Menu SERIES Series One to Series 90 30 Translator 0486 Each Series One slot is specified by moving the highlight to that slot pressing the appropriate function key for the type module and selecting from among the modules displayed in the subsequent menu Figure 5 shows the DIN menu The corresponding 90 30 module is selected by the program and placed in the 90 30 rack and addresses are mapped between the systems The Series One slots may be specified in any order but the 90 30 rack will always fill from left to right Continuing to follow the
15. S PRINT function to make a hard copy of the original program Compare the two listings and become familiar with how the various elements are handled in the translation NOTE Each Series One rung is identified in the resulting 90 30 program using a comment label Since these consume 90 30 memory you will probably want to delete the comments once your program is debugged At this point assistance with the application translation is complete There are probably items which MUST be resolved and others which SHOULD be reviewed These are explained in the section under PROGRAMMER INTERVENTION 6 System Considerations As configured by the translator each Series 90 30 slot 15 addressed on a 16 bit boundary ie 1 17 33 etc without respect to whether an input or output board will occupy the slot Real Series One I O points will be mapped automatically to their counterparts in the 90 30 system Using the 90 30 CON FIGURATOR the board locations may be changed within the rack but their assigned starting addresses must not be changed lt gt CO 4 4 4 un O 4 D 0 P Q Y 4 veni 0 Y 21 n 3 4 ER 4 E 2 Q 58 4 N 4 e E 1 A 4 O Y H E i Et 2 2955 gt E D etd a 2 c3 E 3m ul S e
16. SLAT 2 6 Power Up Verification In order to verify that the program files have been properly installed default to the drive and directory which contains the files from the distribution diskette EXAMPLES A for execution from a floppy disk CD TRANSLAT for execution from the hard disk then type 30XLAT When the copyright and disclaimer screen shown below appears you have properly completed the installation If the screen does not appear verify that all the files from the distribution diskette have been copied into the operating directory 3 Setup The translator has no specific setup requirements at this time Series One to Series 90 30 Translator GFK 0486 4 Operation In order to convert a Series One application to the 90 30 PLC you must first copy the ASCII print file from Logicmaster 1 into the same directory as the files from the distribution diskette NOTE Programs originally created using the Series One hand held programmer must first be imported into Logicmaster 1 conflicts resolved and the ASCII print file created In addition you must know the Series One hardware configuration ie the contents of each slot From the Copyright and Disclaimer screen press any key to continue to the MAIN MENU a43756 SERIES 1 to SERIES 90 30 TRANSLATOR SERIES 1 to SERIES 90 30 Translator Version 0 10 Copyright 1989 by GE Fanuc Automation North America Inc Published in only a limited copyright sense and
17. ZERO ACCUM Il CONST I2 00000 Series One to Series 90 30 Translator GFK 0486 MULTIPLY FUNCTION 19 SERIES ONE PLUS RUNG INPUT1 REG1 001 R 651 1 MPY FUN 73 SERIES 90 30 EQUIVALENT WITH NO ZERO FLAG USAGE INPUT1 START 1 42224244411 START MUL ACCUM Il Q ACCUM 880001 I2 SERIES 90 30 EQUIVALENT WITH ZERO FLAG USAGE INPUT1 START 1 START MUL ACCUM 11 Q ACCUM 80001 I2 START NE_ INT ZERO ACCUM 411 Q DIV 4 MOD CONST 12 ACCUM 11 Q AUXACC ACCUM 11 Q ACCUM 00000 CONST 412 CONST 12 410000 10000 lt 0 LO 0 CN wW V 115 VAC
18. instructions are merely flagged Realizing that all math in the Series 90 30 is performed in binary as opposed to the Series One Plus BCD math you must add the appropriate data conversion instructions for your application Likewise the ENCODE and DECODE instructions from the Series One Plus are merely flagged The program user must determine the appropriate action to take at these points in the program As an aid to your further understanding Series One Plus math functions and their corresponding 90 30 implementations as performed by the translator are included in the Appendix You will note that one of two approaches is used depending on flag usage in your Series One program When flags are used the algorithm emulates all of the flags associated with that function in the Series One Plus oo l T Ei 1 H 9 e m N KG O m Es E 2 w S rt P Z f l lt za 3 2 N 2 Y 2 fx O 4 9 O l E efi i a u 10 ws gt E E 0 15 ZU qa z ll I2 E un r4 QN I i gt H
19. lag is set The Series One Plus compare function is replaced by three separate compares which set the appropriate flags above 6 3 Programmer Intervention Due to the substantial differences in the math functions between the two PLC s manual intervention will probably be required in this area Flag usage is shown in the following table Untranslated Function Flags T256 INDICATES A TRANSLATION ERROR T255 T254 961253 INDICATES A MATH FUNCTION INDICATES A DECODE FUNCTION INDICATES A ENCODE FUNCTION 961252 INDICATES BCD BINARY FUNCTION 201251 INDICATES A BINARY TO BCD FUNCTION 201250 INDICATES A SERIES ONE D OUT FUNCTION 901249 INDICATES A SERIES ONE D STR FUNCTION Using the SEARCH capability of Logicmaster 90 30 each of the above flags must be located and appropriate logic substituted to duplicate the necessary function from the corresponding area of the series One program XLATERR probably indicates use of a FUN20 or High Speed Counter MATH FUN only appears if you are NOT translating the math functions Series One to Series 90 30 Translator 15 GFK 0486 The translator treats all moves into and out of the accumulator as 16 bit moves but then flags the instruction by adding a coil with nickname D_STR or D_OUT If your program used any of the 4 or 8 bit Series One instructions you must perform the masking and shifting operations The translator performs no conversions ie BCD_BIN and BIN_BCD
20. ll convert the math operations by emulating Series One Plus and will flag areas requiring attention See section titled Operator Interven tion If you answer N the ladder logic driving the math function will be converted and a flag coil MATH FUN will mark the first math function The remaining math functions and any parallel coils in that rung will be skipped The latter will require more effort on your part but will allow you to take advantage of the 90 30 instruction set 4 1 2 2 Results Two files are created in the translator directory They both use the same filename as the Logicmaster 1 print file but with different file extensions The first with a CFG extension is used with the 90 30 PLC Configuration Expert Program to create a customer quotation Only GE Fanuc and our authorized distributors will have this program The second with a MAP extension is an ASCII file containing the correspondence between the original Series One octal addresses the new 90 30 references and any NICKNAMES associated with them You will probably find it useful to use the DOS PRINT command to produce a hardcopy of this file In addition a 90 30 program folder directory will be created under the translator directory with the same name as the Logicmaster 1 print file and three files will be created in that directory The files are LMFOLDER 30 KEY1 DEF and KEY2 DEF These are a marker file the PROGRAM teach in file and the CONFIGURATION teach in
21. nslator 10 T Memory Usage by the Translator 11 R Memory Usage by the Translator 12 0 3D tA Y r2 SAAN gt Series One to Series 90 30 Translator GFK 0486 1 Introduction In order to minimize the effort and expertise required to move Series One PLC applications to Series 90 30 GE Fanuc has developed this translator program Starting with a Logicmaster 1 print file of the original Series One program and the 1 0 module content of each slot in the Series One system the translator will determine the required 90 30 hardware and will convert the Series One program into a form usable by the Logicmaster 90 30 programming package Logic translation should be nearly 100 but Series One Plus data operation MATH instructions will require some manual intervention To the maximum extent possible the areas requiring attention are flagged by special coils The translator emulates the operation of the Series One Plus for the data instructions but programming efficiencies can generally be realized by changing the approach to the application to take advantage of the instruction set of the 90 30 PLC This translator should be viewed as a tool which facilitates the conversion of the application but the final responsibility for system operation must be accepted by the user 2 Unpack Install 2 1 Packing List The translator package consists of this manual and a single 3 1 2 inch floppy disk containing the following files
22. specifica tion of the additional racks CURSOR UP is used to return to the preceding rack Our SAMPLE system does include a 5 slot expansion rack Use CURSOR DOWN select the 5 slot expansion rack and fill it with the modules as shown in the SAMPLE configuration o6 Series One to Series 90 30 Translator GFK 0486 Once the entire contents of the original Series One system has been specified F10 should be pressed Data will be stored in a CONFIGURATION file FILENAME CFG and will be used during the program translation process 4 1 2 Program This selection is used to translate the Logicmaster 1 print file of the original program which must by now be on the same disk drive and directory as the files from the distribution diskette You will be prompted for the name of this file As before the filename must be specified without extension If ENTER is pressed without entering a filename a menu of all the print files ie those with a txt extension will be displayed Selection is made by moving the cursor to the desired program file and pressing ENTER If a CONFIGURATION file of the same name exists translation of the program will begin immediately Otherwise you will be prompted for the name of the CONFIGURATION file to be used 4 1 2 1 Math Functions If your original program contains Series One Plus data operations or math functions you will be asked whether these should be translated If you answer the translator wi
23. sumes no responsibility for the accuracy completeness sufficiency or usefulness of the information contained herein No warranties of merchantability or fitness for purpose shall apply OCopyright 1990 Fanuc Automation North America Inc All Rights Reserved iii Contents HA Ie II GFK 0486 1 Introduction 2 Unpack Install 2 1 Packing List 2 2 Minimum Requirements 2 3 Physical Description 2 4 Pre Installation Setup Checkout 2 5 Installation 2 5 1 Floppy Disk Users 2 5 2 Hard Disk Users 2 6 Power Up Verification 3 Setup 4 Operation 4 1 Main Menu 4 1 1 Config 4 1 1 1 Specifying the Series One Configuration 4 1 2 Program 4 1 2 1 Math Functions 4 1 2 2 Results 4 1 3 Exit 5 Integration 6 System Considerations 6 1 Memory Usage 6 1 1 Memory mM O C 00000000 tA h 4 Y N mM mn bh 6 1 2 Memory 11 6 1 3 R Memory 12 6 2 Algorithms Used 12 6 2 1 Timers and Counters 12 6 2 2 Sequencers 12 6 2 3 Shift Register 12 6 2 4 Math Functions 13 6 3 Programmer Intervention 14 SUBTRACT FUNCTION 16 ADD FUNCTION 17 DIVIDE FUNCTION 18 MULTIPLY FUNCTION 19 APPENDIX A Sample Series One Original System A 1 APPENDIX B Series 90 30 System B 1 iv Figures GFK 0486 Figure Copyright and Disclaimer Main Menu CPU Selection Screen Initial Rack Display Discrete Input DIN Menu Completely Specified Rack Memory Usage by the Tra
24. uld be left justified in step 3 according to the following 406 512 405 511 404 510 403 509 402 508 401 507 400 506 497 through 505 in the 90 30 will be wasted unused in this case SHIFT RIGHT 5512 5511 951 0 5509 5508 507 506 gt unused 497 In both cases the IN and OUT for the selected 90 30 function will be specified M497 6 2 4 Math Functions Series 90 30 registers 301 and 302 are designated to act as the Series One accumulator registers 303 and 304 act as the aux accumulator All math functions will act on these registers Bits are assigned as equivalents to the Series One Plus flags according to the following table 14 Series One to Series 90 30 Translator GFK 0486 Special Math Function Coil 901248 5 EACH MATH RUNG USES THIS COIL Series One Equivalent Math Flags 90 30 FLAG SERIES ONE REFERENCE INDICATION REFERENCE T242 GREATER THAN T243 EQUAL T244 LESS THAN T245 CARRY T246 ZERO T247 OVERFLO Since the Series One Plus BCD math accumulator was limited to 4 BCD digits the register equivalent in the 90 30 is corrected if 9999 is exceeded and the OVERFLOW f
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