Omron C500-LDP01-V1 Operation Manual Download Page 6

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About this Manual:

This manual describes the installation and operation of the C500-LD01-V1 Ladder Program I/O Unit and
includes the sections described below.

Please read this manual completely and be sure you understand the information provide before attempt-
ing to install and operation the Ladder Program I/O Unit.

Section 1

introduces the Unit and describes its components and the way it fits into a PC system. A com-

parison of the C500-LD01-V1 and the C500-LD01 is also provided.

Section 2

provides information on switch settings and how certain switch settings affect indicator opera-

tion. These switch must be set before mounting and operating the Unit.

Section 3

describes the data areas available for use in programming the Unit.

Section 4

provides information related to programming and operating the Unit. A list of programming in-

structions is provided in

Appendix C Programming Instructions

. Details on programming can be found in

the

C500 Operation Manual

Section 5

describes the scan of the Unit and how the operating mode affects it. It also describes scan time

and I/O response time calculations and provides tables of instruction execution times.

Section 6

provides basic troubleshooting steps, error messages provided by the indicators, and the fuse

replacement procedure.

Summary of Contents for C500-LDP01-V1

Page 1: ...C500 LDP01 V1 Ladder Program I O Unit Operation Manual Revised January 1992...

Page 2: ......

Page 3: ...lized in this manual The word Unit is also capitalized when it refers to an OMRON product regardless of whether or not it appears in the proper name of the product The abbreviation Ch which appears in...

Page 4: ......

Page 5: ...0 1 1 1 2 1 2 1 3 2 2 2 4 12 2 1 56 7 02 5 1 8 1 1 7 5 2...

Page 6: ...certain switch settings affect indicator opera tion These switch must be set before mounting and operating the Unit Section 3 describes the data areas available for use in programming the Unit Section...

Page 7: ...02 4 8 02 3 3 3 8 8 3 4 3 3 4...

Page 8: ...ation Of the 16 DC inputs 8 inputs 2 groups of 4 can be set for high speed inputs with a minimum pulse width of 0 5 ms so inputs shorter than the scan time can be detected The Unit connects to the PC...

Page 9: ...0100 through 0115 The PC cannot access the Unit using the I O WRITE and the I O READ WRIT 87 READ 88 instructions 2 words 16 PC output bits 0000 through 0015 16 PC input bits 0100 through 0115 With t...

Page 10: ...nector Connector for 24 VDC power supply input Use connector provided RS 485 interface connector Connector for the GPC FIT or LSS Use one of the following cables 3G2A2 CN221 2 m C500 CN523 5 m C500 CN...

Page 11: ...8 9 4 8 8...

Page 12: ...UN MONITOR debug or PROGRAM mode depending on the setting of SW4 The same process occurs when the power is turned on SW 3 Display selector Select indicator operation with this selector Refer to the fo...

Page 13: ...when external input bits 0200 through 0203 are set for high speed inputs Pin 3 of the DIP switch is turned on 6 High speed input 2 is set Lit when external input bits 0204 through 0207 are set for hig...

Page 14: ...s 0200 to 0207 0 0200 Lit while corresponding input is ON 1 0201 2 0202 3 0203 4 0204 5 0205 6 0206 7 0207 6 Indicate the status of external input bits 0208 to 0215 0 0208 Lit while corresponding inpu...

Page 15: ...ate the year of the clock 0 8 x 101 The last two digits of the calendar year are displayed Data 00 to 99 1 4 2 2 3 1 4 8 x 100 5 4 6 2 7 1 A Indicate the month of the clock 0 Data 01 to 12 Indicators...

Page 16: ...ta 00 to 59 minutes Indicator 0 is always OFF 1 4 x 101 2 2 3 1 4 8 x 100 5 4 6 2 7 1 E Indicate the seconds of the clock 0 Data 00 to 59 seconds Indicator 0 is always OFF 1 4 x 101 2 2 3 1 4 8 x 100...

Page 17: ...d inputs A pulse width of 0 5 ms or longer can be received 4 Independent Operation Linked Operation 5 Function OFF Operates in the same mode as the PC when the PC is in RUN or PROGRAM mode but won t e...

Page 18: ...8 3 8 02 5 02 5 8 02 2 2 3 0 5 0 1 1...

Page 19: ...t bits as seen from the PC IR 01 Output bits as seen from the Unit Cannot be used as work bits The use of these bits depends on the setting of pin 2 of the back panel DIP switch Refer to following sub...

Page 20: ...Input Output 00 Output bit 00 Input bit 00 00 Input bit 00 Output bit 00 01 Output bit 01 Input bit 01 01 Input bit 01 Output bit 01 02 Output bit 02 Input bit 02 02 Input bit 02 Output bit 02 03 Out...

Page 21: ...I O Read End I O Write End I O Read OK and I O Write OK Flags to 0 OFF Bit 0103 the I O Read OK Flag is turned ON when data has been transferred correctly with the WRIT 87 instruction It remains ON u...

Page 22: ...8 00 08 00 08 01 09 01 09 01 09 01 09 02 10 02 10 02 10 02 10 03 11 03 11 03 11 03 11 04 12 04 12 04 12 04 12 05 13 05 13 05 13 05 13 06 14 06 14 06 14 06 14 07 15 07 15 07 15 07 15 Word 08 Word 09 Wo...

Page 23: ...lay Bits TR 0 through TR 7 can be used to store execution conditions at branches in lad der diagram programs 3 5 TC Timer Counter Area TC 00 through TC 15 can be used to define timers and counters in...

Page 24: ...Configuration in DM 060 to DM 127 Word Bits 8 to 15 Bits 0 to 7 DM 060 Minutes 0 to 59 Seconds 0 to 59 DM 061 Date 1 to 31 Hour 0 to 23 DM 062 Calendar year last two digits 00 to 99 Month 1 to 12 DM...

Page 25: ...transmissions to and from the Program ming Device MONITOR mode is mainly used to debug new programs Refer to the following pages in this section for information about operations that can be performed...

Page 26: ...en press and release switch 5 The Unit will enter PROGRAM mode If switch 3 is set to 0 indicator 2 will light Note 1 The operating mode cannot be changed from PROGRAM mode to MON ITOR mode or RUN mode...

Page 27: ...Yes Yes 1 I O Table Generating No No Comparing No No Reading No No 2 User program t f PC memory clear No Yes g transfer Transfer GPC to Unit No Yes Transfer Unit to GPC Compare Yes Yes 3 DM area t f...

Page 28: ...lear No Yes Search Yes Yes I O comments Yes Yes Line comments Yes Yes Memory display Yes Yes I O Monitor Operations Operation MONITOR PROGRAM Force Set Reset Yes Yes Basic Screen Function Keys Functio...

Page 29: ...8 4 6 6 02 8 2 4 12 2 1 56 7 02 02...

Page 30: ...de Initialization Overseeing processes Program I O refresh Ladder Program I O Unit scan execution MONITOR Mode Programming Device servicing Note In MONITOR mode data is transferred between the Ladder...

Page 31: ...when pin 2 is ON because of the time required to execute WRIT 87 and READ 88 but these instructions allow a large amount of data to be transferred all at once 2 When WRIT 87 is executed during the I O...

Page 32: ...OR LD 5 3 750 2 500 OUT 14 11 250 6 875 OUT NOT 14 6 875 11 250 TIM 6 126 875 When reset When interlocked Min Constant for SV 112 500 145 000 Max Word for SV 148 750 CNT 6 111 875 When reset When inte...

Page 33: ...en shifting a word 85 625 When reset When interlocked Max When shifting DM 89 375 29 375 26 875 ASR 26 10 Min When shifting a word 85 625 When reset When interlocked Max When shifting DM 89 375 29 375...

Page 34: ...rd to a word 228 125 When reset When interlocked Max When decoding TC to DM 495 000 29 375 26 875 DMPX 77 10 Min When encoding a word to a word 300 625 When reset When interlocked Max When encoding TC...

Page 35: ...N OFF ON OFF Output signal Minimum I O response time Output ON delay Input ON delay Unit reads input signal Maximum I O Response Time The Unit takes the longest to respond when it receives an input si...

Page 36: ...e input bit 3 If the input is OFF during the I O refresh period the high speed input buffer is turned OFF after status has been read If the input is still ON the high speed input buffer remains ON at...

Page 37: ...3 8 4 8 4 3 5 1 8 1...

Page 38: ...Incorrect RAM verified when power is connected or at reset time Failed RAM Replace Unit Incorrect EEPROM write Unable to write program to Unit Replace Unit Pin 1 6 7 or 8 set incorrectly Pin 1 6 7 or...

Page 39: ...125 V 2 A 5 2 mm dia x 20 mm Replace fuses according to the following procedure 1 2 3 1 Disconnect the PC power supply 2 Remove input and output connectors 3 Remove the Unit from the Backplane 4 Remo...

Page 40: ...Model No Ladder Program I O Unit C500 LDP01 V1 GPC Main unit 3G2C5 GPC03 E 3G2C5 GPC04 E System Memory Cassette C500 MP303 EV2 FIT FIT10 SET11 E LSS 3 1 2 FD 720 KB 4 floppy disks C500 SF312 EV2 5 1 4...

Page 41: ...s 16 total Timer 0 to 999 9 s accuracy 0 0 1 s TC 00 to TC 15 Counter 0 to 9999 counts TR bits 8 total TR 0 to TR 7 SR flags and bits 16 total 1208 to 1307 Data memory 128 words DM 000 through DM 127...

Page 42: ...time Maximum 0 5 ms Number of circuits 16 points 8 common 2 circuits High speed input 8 input bits 0200 to 0207 when pins 3 and 4 of the DIP switch are set to ON 0 5 ms minimum pulse width Circuit con...

Page 43: ...ts Fuse 2 A 125 V 5 2 mm dia x 20 mm GG92 External power supply 4 5 to 26 4 VDC minimum 50 mA Circuit configuration 10K 12K 2A fuse Internal circuit 4 5 to 26 4 VDC OUT 00 to OUT07 COM 1 4 5 to 26 4 V...

Page 44: ...rs During assembly connect external inputs and outputs using the connectors included Although I O connectors are identical in shape the connections differ Be certain to follow the labels when connecti...

Page 45: ...5 OUTPUT OUT 14 OUTPUT NOT OUT NOT 14 TIMER TIM 6 00 NO OPERATION NOP 1 01 END END 6 02 INTERLOCK IL 5 03 INTERLOCK CLEAR ILC 2 04 JUMP JMP 3 05 JUMP END JME 3 10 SHIFT REGISTER SFT 6 11 KEEP KEEP 17...

Page 46: ...Manual for details Indirect addressing is not possible for the Ladder Program I O Unit Prefix Item Word address Bit address None indicated with IR prefix PC output bits IR 00 IR 0000 to IR 0015 PC inp...

Page 47: ...B IR SR Work bits TC TR LOAD NOT LD NOT B Defines the status of the inverse of bit B as the execution condition for subsequent operations in the instruction line B IR SR Work bits TC AND AND B Logical...

Page 48: ...UNTER CNT CNT N SV CP R A decrementing counter SV 0 to 9999 CP count pulse R reset input The TC bit is entered as a constant N TC SV IR SR Work bits TIMER TIM TIM N SV ON delay decrementing timer oper...

Page 49: ...t IR00 and IR02 Work bits REVERSIBLE COUNTER CNTR 12 II DI R N SV CNTR 12 Increases or decreases the PV by one whenever the increment input II or decrement input DI signals respectively go from OFF to...

Page 50: ...cept word 12 DM BCD TO BINARY BIN 23 BIN 23 S R Converts 4 digit BCD data in source word S into 16 bit binary data and outputs converted data to result word R S x100 x101 x102 x103 x160 x161 x162 x163...

Page 51: ...ork bits except word 12 DM BCD ADD ADD 30 ADD 30 Au Ad R CY CY Adds two 4 digit BCD values Au and Ad and content of CY and outputs the result to the specified result word R Au Ad R Au Ad IR SR Work bi...

Page 52: ...DM R IR Work bits ex cept word 12 DM INCREMENT INC 38 INC 38 Wd Increments the value of a 4 digit BCD word Wd by one without affecting carry CY Wd IR Work bits except word 12 DM DECREMENT DEC 39 DEC 3...

Page 53: ...t digit specifies the first digit The next digit to the left gives the number of digits to be converted minus 1 The two leftmost digits are not used S 0 to F R 00 15 S IR SR Work bits TC DM Di IR Work...

Page 54: ...SEVERE FAILURE ALARM FALS 07 BCD MULTIPLY MUL 32 BCD DIVIDE DIV 33 BLOCK TRANSFER XFER 70 BLOCK SET BSET 71 SQUARE ROOT ROOT 72 DATA EXCHANGE XCHG 73 7 SEGMENT DECODER SDEC 78 FLOATING POINT DIVIDE FD...

Page 55: ...mn are not executed if ER is ON All of the other flags in the following table will also not operate when ER is ON The status of these flags cannot be monitored from the Programming Device because the...

Page 56: ...1 6 0 0 1 7 8 8 02 1 7 8 1 02 3 0 5 02 02 02 2 02 2 02 5 02 02 6 7 12 2...

Page 57: ...3 4 6 2 1 3 0 3 4 7 02 6 7 6 02 8 2 8 0 5 7...

Page 58: ...the manual during each revision Page numbers refer to the previous version Revision code Date Revised content 1 February 1989 Original production C500 LDP01 2 June 1989 Corrections to pages 18 22 to 2...

Page 59: ...U S A OMRON ELECTRONICS LLC 1 Commerce Drive Schaumburg IL 60173 847 843 7900 For US technical support or other inquiries 800 556 6766 OMRON CANADA INC 885 Milner Avenue Toronto Ontario M1B 5V8 416 2...

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