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a7pu,programming unit,operating manual

1. ae oe ation ation ation ation s Fu Fuse Stop Puse Stop Fuse Stop 1 Stop blow A blow ioa blow pce blow continuation continuation v Opera continuation Opera continuation D Fuse blow Fuse blow ra Fuse blow Rum Fuse blow Operation Operation Operation Operation 5 ation error error error error Stop error Stop error Stop error Stop error c Run mode 3 VO unit unit O unit unit blow No setting unit VO unit unit UO unit at error verify error verify error verify error verify error ae verity Special qnae Special function function function function gt error e Special Special Special Special 5 unit unit 3 unit 5 unit uncti functi functi functi operation operation operation operation x on unit error on unit error on unit error on unit error 2 tion tion tion tion error error error error Display present absent Display present absent Annunciator display mode Absent No setting
2. Eb eg SES Ae 7 13 8 ERROR MESSAGE 146 7 8 1 8 14 8 1 Error Messages for Programming 8 1 8 2 Error Messages for Audio Cassette 8 5 8 3 Error Number and Error Message 11 1 8 7 66051 APPENDICES GS 1 APP 4 APPENDIX 1 Level Matching of Audio Cassette APP 1 APPENDIX 2 Processing Time for Audio Cassette APP 2 APPENDIX External Dimension APP 4 IB 66 1 GENERAL DESCRIPTION MELSEC A 1 GENERAL DESCRIPTION The A7PU programming unit hereinafter referred to as is a programming unit with audio cassette interface used for the MELSEC A series This Operating Manual describes the operations of the PU This manual is structured as follows Differences between Type A6PU Programming Unit and Type A7PU Programming Unit are as described below 1 ROM cassettes for AGPU and A7PU are not compatible with each other 2 Applicable CPU types are as indicated in the following table O Usable X Unusable PU Type CPU Type A6PU A7
3. ae Legs Setting of latch range 222 2222 22 Section 6 9 6 on page 6 92 Setting the I O control mode F J2CPU UN i a aa s Section 6 9 8 6 96a Section 6 9 7 on page 6 96 Setting resetting of keyword or entry code Section 6 9 9 on page 6 97 Setting completion operation Section 6 9 10 on page 6 99 OK 1 222 Parameter write operation From page NOT gt CL Section 6 9 11 on page 6 100 When the key is input during the data input of each item the parameter setting is completed and execution proceeds to Section 6 9 11 on page 6 100 681 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 6 9 1 Clearing of parameters P PARAM NO ETER ser T CLEAR 2 When not clearing parameters If the parameters set in the CPU OK select the screen shown below and press Or PAR By the input the execution proceeds to the setting of program memory capacity Section 6 9 2 on page 6 84 For the 2 the execution proceeds to the setting of latch range Section 6 9 6 on page 6 92 By the input the execution proceeds to the setting completion operation Section 6 9 10 on page 6 99 6 82 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 3 When clearing parameters To change the parameters set
4. a dos Co hoe e tede 6 86 694 Settingof M and L FaBgeS cus roo qon koe t CA o ee 6 87 69 5 Setting DF timer rangos s EE A OC UD n SCRI 6 89 69 6 Setting ot laten audae ac ILE Bee CERCA 6 92 697 Setting OF WH T os RUTAS ER ape uta a RR EE o E UR OA eC 6 96 69 8 Setting the VO control mode RR ew aS ara d 6 96a 6 9 9 Setting resetting of 6 97 6 9 10 Setting completion Operation 2222 OR 6 99 6 9 11 Write of parameters 1B 66 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 1 7 15 Z4 Operation Sl eas ac 7 2 7 2 General Operation for Audio Cassette Function 7 3 Bid MOUSE SELLING wx vas D dic AUS I EUR Rr a Rt EUR e e e CR S 7 4 7 4 Setting of Processed 7 6 7 5 Setting of Program Capacity o o D ee he oe pana Saw ate Lun Hos os et 7 8 AO Sattinu OF POOlESSOS ui o oe ete reae SE qe e eese o e Er Rd 7 10 7 7 Setting of Completion 7 12
5. write insert delete insert delete or read mode or read mode indicates operation to be performed when step number is displayed 1 Using the operation Read by step number Section 6 5 1 on page 6 25 a program is read and the continuity status contact ON OFF status and device present value are displayed 2 Explanation of display For display screen refer to the following page Continuity status The continuity status after the execution of the instruction is displayed to the left of the instruction Not displayed for 2 ON OFF display Displayed to the left side of the device number 6 49 IB 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Present value Displayed above the T C number for a sequence instruction Displayed to the left of the device number for a basic or application instruction Switch between decimal and hexadecimal by pressing the key after ki 3 pressing the key the next instruction is displayed By pressing the key the preceding instruction is displayed 879 is input at the final number the step number returns the head step number If is input at the head step number the step number returns to the final step number 4 Even if digit qualification or index qualification has been performed the continuity check is made for the previous device number Example 002 The present value of DO is displayed Not the prese
6. 5 BP 102 gee ae 2222205 OUT W K8 M ME Our af 7 113 OUT T em W ES OUT T 2 um W 4 35 OUT T 3 J OUT sr 97 AMETE IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 5 Read Mode Read mode is used to read the memory of the programmable controller CPU The read operation can be performed either during the stop or run of the CPU However the read operation during run by instruction or device may take some time Time is proportional to the number of steps in the sequence program For the read operation in machine language refer to Section 6 8 6 page 6 70 The basic operation in read mode is as described below Mode Hem Operation amp 2 Read by step number Operation from write d Instruction display operation from write insert delete insert delete or monitor mode or monitor mode Read Read by Erg Home pen 44 Read by device number DEVICE 6 24 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 5 1 Read step number Basic Operation in read mode STP STEP NO f Operation from write insert delete or monitor mode Instruction display operation from write insert delete or monitor mode indicates an operation to
7. 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example Circuit example In this example the dotted line area is inserted SFT RST SFT 517 0987 68 STP OI QUT Y 020 Displays the program at step 101 By the insertion operation the step numbers change AND MOV ES D M 5 ot AND M 5 SIP iot By input step 101 and succeeding steps are shifted and the instruction is inserted into step 101 o 5 Ut a o 4 v oj loo loo joo wr m gt gt o a 10 B B a ANI MOV ORB Se 08 2 xo MOV PLS Q o lo 20 Da o gt 0 E B STP 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 6 2 Deletion of instructions Basic Operation Operation in insert delete mode STEP NO BS Operation from read write or monitor mode Instruction display operation in j ye EN read write or monitor mode DEL indicates operation to be performed when step number is displayed 1 By the input of the instruction at the displayed step number is deleted Step numbers are ad justed accordingly 2 An instruction is not deleted per step but per instruction 3 After inputting the either the or key may be operated In delete mode
8. Correct the memory assignment Cable connection condition CPU Check the setting of RAM ROM Check the loading of RAM etc Data could not be written to the PC WRITE ERROR CPU Check the memory protect switch of CPU SETTING ERROR Non valid parameter setting Check correct setting 8 3 IB NAj 660 8 ERROR MESSAGE LIST MELSEC A No Display Display Condition Corrective Action The set step number is greater than the largest step number Set correct step numer STEP OVER ERROR Write in access has been attempted to a write forbidden area Set correct address ADDR ERROR During write in write insert delete mode etc memory protect switch of the memory cassette is ON Set memory protect switch to OFF During communication with the CPU in entry code clear parameter write or MT mode memory cassette is faulty or is not loaded Load memory cassette CASSETTE ERROR Change memory cassette 8 4 66051 8 115 8 2 Error Messages for Audio Cassette Function has been attempted during e The level does not match because of volume setting during replay n 2222 Re set the volume of audio cassette 2 LEVEL ERROR od of time approximately 60 5 1 seconds The audi
9. 77 66051 D 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 MELSEC A 7 5 Setting of Program Capacity Basic Operation Sequence program capacity 1 Setting of program capacity is required when the following data has been set the operation des cribed in Section 7 4 Program Parameter program Subprogram A3N ASHCPU 2 For the setting of program capacity the following screen is displayed Indicates the mode Present setting displayed 3 By the input of eal the numeric value displayed on the screen is set TET Execution proceeds to Section 7 7 b ede Execution returns to Section 7 4 7 8 od NA 660 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 MELSEC A 4 When it is necessary to record a sequence program and a microcomputer program together set the program capacity to include the microcomputer program capacity When the sequence program capacity is 6K steps and the microcomputer program capacity Example is 4K byt KK bytes 27 6K steps 6 2 8K steps Operation example Present setting displayed 40 p PROGRAM MEMO AK ST X PROGRAM MEMOR STE 12K steps to be processed 4 02 4 Indicates the mode set Section 7 3 When program is selected for the AOJ2CPU record replay or verify is enabled for parameter program 79 IB 66051
10. 10 hexadecimal is written to address 8401 hexadecimal IB 66061 6 PROGRAMMING FUNCTION OPERATION PROCEDURES _ Memory capacity setting MELSEC A 6 9 Parameter Setting Mode Parameter setting mode is used to set the parameters of the A1 2 and 3 CPUs In this mode operation can be performed only during CPU stop A list of parameter is indicated i in Table 6 1 Some parameters cannot be set using the A7PU these must set using the or AGHGP A0J2 CPU AMEICPU ATNCPU _ 2 2 AS EICPU ASNCPU Parameter lt Parameter Parameter Parameter Default Parameter setting Aaloe setting setting ae setting alie setting range b i ange Default value IB NA 66051 D 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 CPU 2 0 A2 E CPU A2NCPU A3 E CPU A3NCPU A3HCPU Parameter Parameter Parameter Parameter Parameter pde io setting da setting prio i setting pin i setting sin v setting range range range range range 1 5K 0 to 4032 0 to 4032 4032 Comment bytes 0 point or points points points capacity 95 No setting OK 128 points OK byte in units of OK byte in units of OK byte in units a points 64 points 64 points 64 points Sampling Absent No settin Absent No settin Absent Absent
11. Continuity check Operation from write Instruction display operation insert delete in write insert delete read mode or read mode Monitor of offline switch Device DEVICE NO STP Y M L B F DEVICE ser DEVICE NO Not available for 2 A3HCPU indicates operation to be performed when step number is displayed M 64 IB 66051 8 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 7 1 Monitor of X Y M L B and Device numbers ON OFF status display The ON OFF status is displayed to the left of the device 2 By the input of Em the ON OFF status of the next device number is displayed By the input of STP the ON OFF status of the preceding device number is displayed tf is input when the largest device number is being displayed the device number returns to the head device number If is input when the head device number is being displayed the device num ber returns to the largest device number 3 The screen displays the ON OFF states of a maximum of four devices 4 When the key is pressed during the operation of this function the execution proceeds to the monitor operation of offline switch Section 6 7 5 on page 6 54 Invalid for 2 A3HCPU IS OE n OFF 6 42 IB NA 66051 E 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example MPS SFT CJ Pe cn ts 5 a 4
12. 1 Connecting procedure 1 Remove the CPU connector cap 2 Remove the protective cap from the con nector at the top of the PU Store the pro tective cap by clipping it to the lugs on the bottom of the PU Refer to Fig 5 5 3 Connect the plastic cased connector on the to the socket on the top of the PU 4 Connect the metal cased connector to the RS422 socket on the CPU and tighten the fixing screws 2 Operation Perform operation according to Chapter 6 or Chapter 7 Fig 5 2 Connecting and Disconnecting Procedures for Remote Connection with CPU aper s 5 5 iB NA 66051 5 STARTING PROCEDURES MELSEC A 3 Unloading procedure 1 Press the key 2 Remove the fixing screws on the CPU connector and disconnect the AC30R4 cable from the CPU Fit the cap to the CPU connector 3 Disconnect the AC30R4 cable from the PU 4 Fit the protection cap to the connector on the top of the For connecting ans disconnecting of the AC30R4 cable to and from the connector at the top of the PU refer to Fig 5 3 5 STARTING PROCEDURES 7 1 Connection of PU AC30R4 cable Insert the PU connector end of the AC30R4 cable into the PU in the direction shown on the left Insert the connector until clicking sound is heard Disconnection of PU and AC30R4 cable 1 Push the connector release button in the direction of arrow D 2 Wit
13. 2 2 x 1024 1 6143 6144 steps The relation between the RUN STOP key switch positions of CPU unit and the write conditions 1 as indicated below Key Switch Position of CPU Unit NE M STOP PAUSE STEPRUN mark Write enabled For the AOJ2CPU PAUSE and STEP RUN are not available Write disabled 6 13 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES The basic operation in write mode is as described below Mode Wem write mode ssn STEP NO STEP STEP NO clear Batch write of NOP jin read Instruction display operation in read or monitor mode insert delete or monitor mode In write mode Write of program read insert delete Instruction display operation in read or monitor mode insert delete or monitor mode indicates operation to be performed when step number is displayed a 1B 660 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 4 1 All clear Consecutive write of Basic Operation Operation in write mode STEP NO 5 17 Operation from read insert delete or monitor mode Instruction display operation in read WRI insert delete monitor mode gt indicates operation to be performed when step number is displayed 1 The
14. 6 8 Monitor oft X E B un A Oe d 6 42 6 7 2 Monitor of 2 6 44 6 7 3 Monitor of T C present value and contact ON OFF 5 6 47 6 54 CONUM Cie Ie auo eae EO he aw ER dor ded o ERU Sak 6 49 6 7 5 Monitor of offline switch 6 54 os fu i Saad RR P EOE ie DER Gee 6 56 65 1 Se t reset ot X Y ML B and F orrori SR ENTRE 6 58 6 8 2 Present value change of T C DW 2 6 61 6 8 3 Set reset of offline switch 6 64 5 8 5 Program check xa ek ea Sate Ae Sp 6 67 6 8 5 Reading the error step and error 6 69 6 8 6 Read write in machine 6 70 66051 a a a ene 69 Parameter Setting ee Sor OE Nes e 6 73 69 1 Clearindot parameters acs 6 82 6 9 2 Setting of program memory 6 84 6 9 3 24
15. 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEC A 7 6 Setting of Addresses Basic Operation Head address Final address 51 1 address setting operation is required when the following data has been set by the operation de scribed in Section 7 4 Other Genera data 2 For the setting of address the following screen is displayed 3 Indicates the mode Head address Final address y Present setting displayed 5 digit hexadecimal 3 By pressing the cursor moves between the head address and the final address 4 If the address is not to be changed input can be omitted 5 By pressing the numeric value displayed on the screen is set OPERE Execution proceeds to Section 7 7 TEMPER CPP Execution returns to Section 7 4 7 10 IB NA 6608 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES Operation example Se de At ce Ab a Present setting displayed 8 2 0 0 0820 01 ADDRESS HOo8200 HoOSFriF LDI MC MC ADDRESS H0800 NOE a FE ed tet unc d The contents of screen display are set Indicates the mode set in Section 7 3 7 11 IB 66051 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 MELSEC A 7 7 Setting Completion Operation Basic Operation When making no change after completing the setting When making any changes 1 The setting completion operation is used to complete or change check da
16. Lande ee 2 1 IB 6 __2 SYSTEM CONFIGURATION 1 Add on system Building block type CPU Fig 2 1 System Configuration Example dune D IB 66051 D A 7 2 SYSTEM CONFIGURATION 2 Hand held system ree Building type CPU Fig 2 2 System Configuration Example IB N 2 SYSTEM CONFIGURATION 2 2 System Equipment Table 2 1 indicates equipment which will be required for the system configurations shown in Fig 2 1 and Fig 2 2 Programming unit with LCD indicator Equipped with programming function and audio cassette function Connection cable between A series CPU and A7PU 4 RS 422 Cable Length 3 m Connection cable between A series CPU and A7PU AC300R4 RS 422 Cable Length 30 m Cable for audio cassette Connection cable between A7PU and audio cassette Length 2 m Table 2 1 System Equipment List A7PU Programming unit 2 4 B NA 66051 D 3 SPECIFICATIONS MELSEC A 3 SPECIFICATIONS Describes the performance specifications of the PU 3 1 General Specifications The general specifications of the PU are as indicated below Specification TLK Ambient temperature 5 22010 5075 85 RH or less condensation Ambient humidity 10 to 9096RH or less no condensation Amplitude 10to55Hz 0075mm 10 times 55 to 1
17. interruption used the interruption pointer program which corresponds to does not exist for that unit in the interruption unit or reduce the program or there are several the occurences of to occurences Check if there isan RET instruc An IRET instruction is not tion in the interruption program EXECUTE included in the interruption pro Check if there is an IRET instruc gram tion in other than the interrup tion program and delete the IRET There is an IRET instruction inetruction other than in the interruption program Load a memory cassette and perform After checking if the CPU can perform write and or read operation to and or from the data memory area of CPU either or both could not perform The cause is hardware error consult ed the nearest sales representative The operation circuit which per forms sequence processing inside the CF UU IT lope circuit emn RR CPU does not work properly 66051 8 ERROR MESSAGE LIST MELSEC A 1 Calculate and check the scan time of user program and reduce the scan time by use of CJ instruc tion 2 Monitor the content of special register D9005 When it is other than 0 check the power and reduce voltage variations because the power voltage is unstable Scan time has exceeded the watch dog timer error supervising time 1 The scan time of user program has exceeded the WOT valve
18. 4 79 me 70 X Bx oo o 19 m gt lt gt lt o loo aa gt lt gt lt we gt lt Am gt lt ox Ow lon Je Ww arj lt wO woh BH 6 43 Indicates that X12 is the status Indicates that X13 is in the ON status Indicates that X14 is in the OFF status IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 7 2 Monitor of D W 2 and V Basic Operation STP Monitor of D W and A DEVICE DEVICE NO STP Monitor of Z and V DEVICE 1 The value of the selected device is displayed in decimai or hexadecimal Perform switching between decimal and hexadecimal with the sez key after ST Sign in decimal display is displayed in space Data display HO OO hexadecimal display Device numbers Two devices per screen 6 44 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 2 By pressing the key the ON OFF status of the next device number is displayed By pressing the key the ON OFF status of the preceding device number is displayed If is input when the largest device number is being displayed the device number returns to the head device number
19. Absent Prosent trace g 9 absent absent absent Present Present Present Devices 16 BOto3FF BOto3FF _ BO to Memory capacity setting BO to TO to 255 A to 255 to 255 to 255 5 No latch CO to 255 255 to 255 to 255 hail latch quee DO to 1023 DO 1023 DO 1023 DO to 1023 2 full latch NEM _ wo to to3FF WO to WO to in units 07 units of V in units of in units of 1 E 1 Mu 1 point 1 point Tabie 6 1 Default Values and Set Values for Each CPU Continue 6 74 IB NA 66051 D 6 PROGRAMMING FUNCTION OPERATION PROCEDURES A0J2CPU A2 E CPU A2NCPU A3 E CPU Parameter Parameter Parameter EMT peau satin range range range range range Number of Nurriber of Number of Number of No setting Table 6 1 Default Values and Set Values for Each CPU Continue link stations link stations link stations link stations 1 to 64 1 to 64 1 to 64 Input X Input X Input X to FF to FF XO to FF Output Y Output Y Output Y Output Y YO to FF YO to FF YO to FF YO to FF Link relay Link relay Link relay Link relay B B B B Pink
20. If is input when the head device number is being displayed the device num ber returns to the largest device number 3 The screen displays the contents of two devices 4 Monitor operation for 32 bit instruction The PU monitors device values in units of 16 bits Therefore when a 32 bit instruction in used moni tor the contents of the two consecutive devices used fot the 32 bit data instruction Example Contents of registers after the execution of DMOV K100 DO Decimal monitor Hexadecimal monitor DO 100 M0064 D1 0 0000 In hexadecimal the content is 00000064 6 45 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 Operation example 1 2 0 21 Hexadecimal display until the next input ORI M the input of new device display is switched A D A m 8 D 3 M 8000 srr input display is switched to hexadecimal D 2 3 m 0 7 2 25 input display is switched to decimal A 0 A m 6 46 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A 6 7 3 Monitor of T C present value and contact ON OFF status Basic Operation DEVICE DEVICE NO fT 1 The contact ON OFF status and content present value of the specified device are displayed Switch between the decimal and hexadecimal with the key after Data section dis
21. 2 The contents of memory have changed for some reason and an instruction code which cannot be decoded has been included A capacity larger than the mem ory capacity of CPU has been attempted to be written The parameter contents of CPU memory have changed due to noise or improper loading of memory Read the error step and correct the instruction at that step When the cause of trouble is the ROM rewrite the contents or change 11 1 Check the parameter contents and re set them the 2 Check the loading of CPU mem ory IB 66051 8 ERROR MESSAGE LIST 7 MELSEC A MISSING END INS CAN T EXECUTE The END instruction does not exist in the program 1 2 3 There is no jump destination or there are several jump destinations specified for CJ SCJ CALL CALLP or JMP instruction There 15 instruction but there is no subprogram setting Although there is no CALL instruction a RET instruction is in the program and has been executed The jump destination of CJ SCJ CALL CALLP or JMP instruc tion is located below the END in struction and has been executed 8 8 Write END at the end of program Read the error step by the PU and correct the program at that step Insert jump destination or reduce the number of jump destinations to one 66051 8 ERROR MESSAGE LIST 1 Although an interruption unit is 1 Check if there is
22. DO and D1 write H8920 to DO and H1234 to D1 6 62 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example RST T m zog 2345 Monitoring the value of 200 200 The monitor display of ON OFF status of the contact is provided Tom causes monitoring to stop T 2 ooo PIE causes the present value to be changed 20 and monitoring to resume 23 9999 AT 200 201 7B H270F hedi ZT 200 201 switches he display to hexadecimal HORE TIU H F F F T 200 T 201 STP H 78 HOFF Fe T 200 T 20 6 63 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 8 3 Set reset of offline switch Y M L B Not available for 2 A3HCPU Basic Operation DEVICE sFr DEVICE NO 1 TS RST 1 The selected device number is placed online by pressing and offline by pressing In offline status a device be set to the on or off status the operation of Section 6 8 1 without regard to the operation result of sequence program 2 Take care when using this function in conjunction with special function units since certain Y numbers cannot be set reset 3 By pressing the next device number is displayed By pressing the preceding device number 15 displayed If is input when the largest device number is being displayed th
23. Display Display Condition Corrective Action 3 icant operate CANT OPERATE CODE ERROR euo DRUSI ERROR Restart the PU and key in the correct entry code The correct keyword has not been entered When the CPU has detected an error set the CPU from RUN to STOP status reset the CPU then check instructions located in front of and behind the step where the error has occurred and write correct instruction The instruction code has been cor rupted or semi deleted The set device symbol is wrong The device number is outside the range specified Re set if the program is correct leave it as it is Otherwise change the coi designation The coil already exists in the pro gram DUAL ERROR The instruction set in the read write Or insert mode is not correct SET Re set 8 2 NA 66061 8 ERROR MESSAGE LIST MELSEC A no Display Display Condition Corrective Acton Select mode Mode selection has not been made SET ERROR ERROR PARAMETER ERROR Perform operation again If commu nication cannot be made check the Communication cannot be made with following PC NOT RESPOND the CPU operation mistake has been made Check key operation The assignment of memory set by parameters has exceeded the capacity of memory cassette
24. HT 218 17256 SETTING SFT LTO HT128 iT25 8 s By input the cursor moves to the integrating timer side CJ P TIMER SETTING 2 0 0 HT 8 T 23010 contents of screen display are set and the execution proceeds to the setting of latch range Section 6 9 6 on page 6 92 100ms Low speed timer LT 127 10ms High speed timer HT 128 to 199 Retentive Integrating timer IT 200 to 255 6 91 B 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 9 6 Setting of latch range Other than AOJ2CPU Basic Operation P When not executing latch 2 Devices displayed the following symbols 1 For the setting of latch ranges the following screen is displayed fine relay m LT low speed timer 10015 high speed timer 10ms IT integrating timer Retentive C counter Head number of latch range D data register Final number of latch range W link register 2 Press to switch between the head number and the final number of the latch range 3 Input the data as described below Head number of latch range lt the final number If the valves are to remain unchanged simply proceed to the next key stroke Use the key to input a blank spece where no latch range is required 6 92 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 4 By pressing ea the following devi
25. R ssn 87 fs 100 LD X 005 Display in read mode W NOP DEC a SFT ANT w NOP DEC sr AN 00 NOPK 9 STP W 5 4 NOPK 99 The contents of steps 100 to 199 are cleared 6 17 IB 66061 Oe 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example 3 head step number the final step number is located halfway through instruc tion Circuit example SFT RST ANB W 85 87 C o 5 100 mre wow Toi 4 108 Since the set step number is located halfway through an instruction the step number changes to that of the head step 103 of instruction NOP DEC SFT SFT RST W NOP se 03 NOPK 103 113s 103 Since the set final step is located halfway through an instruction is written up to the last step 113 MOV 4 52 D12 of that instruction IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 4 2 Write of program Basic Operation Operation from read insert delete or monitor mode Instruction display operation in read insert delete monitor mode gt indicates operation to be performed when step number is displayed 1 After setting the step number input the inst
26. SFT key the display screen changes as shown below By the input of es key the screen display function Is selected 924004 Programming function PROGRAMMING lcassette ur Audio cassette function UV sal DURING RUN Programming function during CPU run PROGRAMMING 9 9 9 Except _ V ul e Programming function of subprogram PROGRAMMING Only AS3HCPU DURIN 7 UNI Subprogram programming function during CPU run PROGRAMMING Only ASHCPU DE 5 15 IB NA 66051 B 5 STARTING PROCEDURES 5 6 Reset Operation Operation Procedure Press both the and keys at the same time This triggers a hardware reset for the PU Proceed to Section 5 3 1 reset operation may be used at any time 2 When switching between the programming function and the audio cassette function it is necessa ry to reset 5 16 66051 5 STARTING PROCEDURES MELSEC A 5 7 Clear of Keyword or Entry Code and Sequence Program This section describes the procedure necessary when the entry code has been forgotten In this case all pro grams must be cleared Operation Procedure wran O 0 0 0 0 0 F the key codes displayed at the bottom of operation keys are valid Displayed in units of 0 5K steps When 0 5K steps are cleared one mark disappears The total number of bytes of program to be cleared is di
27. and 3 To change the t DEVICE DEVICE NO simply key in the correct data 6 29 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example Circuit example 9 5 ANS R SP ROR LD o 72 9 9 79 0 D X gt 4 n riirrijr ZU o ox an 5 O N x x LX TO To 100 512 lt o 0 o iti jd v 0 0 A w w jw gt lt E Bj 8 iau d i When the MOV instruction is searched the MOVP instruction is also searched 6 30 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A Read Procedure by Instruction 1 Read of comparison instruction When an instruction has been specified the specified instruction and all related instructions are read depending on instructions Read Instruction LD lt gt lt gt gt LDD gt gt ORD gt 6 31 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A When the full instruction has been specified such as LD and LDD only those instructions are searched and read 2 Read of instruction which is executed when
28. and F Test mode Read of error step and error description when error has occurred Set reset of offline switch Y M L B and F 5 13 66051 5 STARTING PROCEDURES 5 5 Function Selection Basic Operation Function selection Operation Procedure PROGRAMMING Programming function is selected Mode Read Write Insertion Always Only during Only during Always Always Only during PR GRAMMING possible CPU stop CPU stop possible possible CPU stop Always Only during Always possible CPU stop possible DUR G Always Always during Always Always Only during OGRAMMIN possible possible CPU stop possible possible CPU stop Always Only during Only during Always Always Only during PROGRAMMING SUB possible CPU stop CPU stop possible possible CPU stop DURIN RUN Always Always Only during Always Always Only during PROGRAMMING SUB possible possible CPU stop possible possible CPU stop Duting CPU stop means at stop or pause status Table 5 1 Operating Conditions of Various Modes 5 B NA 660 5 STARTING PROCEDURES LL MELSEC A Select either the programming tunction or the audio cassette function By pressing the
29. and disconnect the PU with the PC in STOP mode When connecting and disconnecting the PU with the PC in RUN mode take care to insert the connector properly Fig 5 1 shows the connecting and disconnecting procedures for direct connection with the and Fig 5 2 shows the connecting and disconnecting procedures for remote connection When using the audio cassette function connect the PU according to Fig 5 1 or Fig 5 2 and then connect the PU and the audio cassette according to Fig 5 4 5 2 IB 5 STARTING PROCEDURES 1 Connecting procedure 1 Remove the CPU connector cap 2 Remove the RS422 connector protective cap at the rear of the PU Store the pro tective by clipping it to the lugs on the bottom of the PU Refer to Fig 5 5 3 As shown at left connect the PU and the PC 4 Tighten the PU fixing screws 2 Operation Perform operation according to Chapter 6 or Chapter 7 Fig 5 1 Connection and Disconnection Procedures for direct connection with CPU 5 3 8 66051 5 STARTING PROCEDURES 3 Disconnecting procedure 1 2 3 4 5 Press the key Remove the PU fixing screws Unload the PU from the CPU Fit the RS422 connector protective cap to the rear of the PU Fit the CPU connector cap 5 4 1B 66 5 STARTING PROCEDURES 7
30. due to program 2 Instantaneous power failure has occurred during scan and the scan time has increased 22 lwDT ERROR The cause is a hardware error consult the nearest sales representative The sub CPU has malfunctioned SUB CPU ERROR 1 When the END instruction is executed another instruction code has been read due to noise etc 2 The END instruction has changed to another instruction code for some reason Perform reset and run the CPU again f the same error is displayed again the cause is a hardware error consult the nearest sales representative END NOT EXECUTE The main CPU has executed an end tess loop or has malfunctioned The sub CPU makes check The cause is a hardware error consult the nearest sales representative 8 10 66051 CC c ccc aer s c 25 22 5210 8 ERROR MESSAGE LIST MELSEC A 1 Since the bit of specia register unit data is different from that at D9116 to D9123 which corre power on sponds to the unit where a verify 1 An unit has been removed error has occurred is 1 moni during operation or different tor the special registers by the PU unit has been loaded UNIT 2 above has occured during D Ce and change the relevant 2 CPU has been f the present unit arrangement S 5 is perform reset the RES
31. input condition turns on and instruction which is exe cuted only once when input condition turns on e g MOV and MOVP Specified Instruction Read Instruction instruction executed Specified instruction when input condition turns on Instruction executed only once when input condition turns on Instruction executed only once TR TE when input condition turns on For example the case of MOV instruction executed when the input condition turns MOVP instruction instruction executed only once when the input condition turns on when MOV is spe cified both the MOV instruction and the MOVP instruction are read When MOVP is specified only the MOVP instruction is read 6 32 IB NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 5 3 Read by device number Basic Operation pence Hoever LF 1 When a device number is omitted search is made only by the Devices searched for only by device 2 Devices searched for together with device number X 1 2 After setting a device and a device number the first input searches that device and device number beginning with step 0 and displays the detected step Thereafter the input initiates search from the next step and displays the detected step If the step cannot be detected after searching up to END CANT FIND is displayed 3 Change of input data Prior to the T input d
32. is in continuity status OSMOUTHMY STP 8ml T2 coil is in continuity status 06 T 2 Device 2 is off L 34 STP M 106 00 T 2 30 6 52 NA 660 6 PROGRAMMING FUNCTION OPERATION PROCEDURES o o o 44 a t 0 Uu 9 0 x lt 4 29 lt foo o o 1 izol gt x lt x oj ow n o wj o m m B w ro lt r4 B FO m M 109 K4 Y 4 END 6 53 ser The content of DO is displayed irrespective of the content of Z ON OFF of Y1FO is displayed 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 6 7 5 Monitor of offline switch Y M L Not available for 2 ASHCPU Basic Operation DEVICE sFT DEVICE SP 1 The offline switch status of the selected device is displayed Device number Online Offline switch status Offline Offline status causes the coil of the element to be effectively disconnected from its controlling logic 2 By pressing the key the status of the next device number is displayed By pressing the ISTP key the status of the preceding device number is displayed If SIP is inp
33. memory is cleared using this procedure 2 Press the 554 keys to display the head step number at which the instruc tions will be written By pressing the STEP and keys the final step number is specified and the NOP write operation is executed In the operation from read insert delete or monitor mode the displayed step number is used as a head step number By pressing the and keys the final step number 15 specified and the NOP write operation is executed 6 15 IB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A the initial step number is located halfway through an instruction the head step of that instruction is taken as the head step number if the final step number is located halfway through an instruction the clearing operation is auto matically performed up to the final step of that instruciton Refer to Operation example 3 The consecutive write of NOP takes approximately 5 5 seconds per 1K step Operation example 1 SFT n RST RST W 17 687 887 og STP W 00 LD X 005 xmas ctn Memory content is displayed NOP DEC SFT W Pe 511 t 00 NOPK i 9 51 W 100 NOPK 199 7 The contents of steps 100 to 199 00 E are cleared 6 16 IB NA 6605 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example 2 Operation from read insert delete monitor mode
34. nomenclature of the PU is indicated in Fig 4 1 and Fig 4 2 Liquid crystal display Key pad For details refer to Fig 4 3 Connector for AC3OR4 cable with protection cap Used for hand held system Holder for storage of protective cap PU fixing screws Connector for audio cassette Fig 4 1 Nomenclature of A7PU front 4 3 IB 66 4 HANDLING MELSEC A Name plate ROM cartridge container not open Connector for RS422 with protective cap Used for direct connection with CPU Fig 4 2 Nomenclature of A7PU rear 4 4 66051 A See QE 4 HANDLING arrangement of operation keyboard is shown Fig 4 3 Mode keys RD iwe used to select operating mode FROMI b L8 INC B E Th Instruction keys Instruction indicated at top Device keys Code indicated at bottom l Instruction keys Instruction indicated at top Device number setting keys F at bottom Control keys Fig 4 3 Arrangement of Operation Keyboard 1B INA 66 4 HANDLING 4 3 Maintenance The PU has no special components which require inspection or replacement When keeping the PU in storage take care of the following points 1 Avoid storing the PU in the following environments 1 Ambient tempe
35. range BO to 31F BO to 31F BO to 31F BO to 31F specification Link register W WO to 3FF Monitor time 10ms to Link register W WO to Monitor time 10ms to Link register W WO to Monitor time 10ms to Link register 2000ms 2000ms 2000ms 2000ms units of is units 1 units 3 units of 10ms 10ms 10ms 10ms 6 75 IB 66057 0 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC 4 ATME CPU AINCPU A2 E CPU A2NCPU A3 E CPU A3HCPU METTE Parameter Parameter Parameter Parameter setting Default setting setting Default setting Defauit setting vaiue value value value range range range goes to M L SO to 5000 2047 Setting of 100ms 10ms integrating integrating timers timers in units of in units 0 8 points 8 points Table 6 1 Default Values and Set Values for Each CPU Continue 6 76 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES I O gt assignment vo 9 5 S 3 2 lt Remote RUN PAUSE setting 0 2 CPU Default Parameter value Default value setting range M Table 6 1 Default Values and Set Values for Each CPU Continue setting range 0 to 64 points each in units 2 16 points input X unit Output Y unit Special function unit Vacant slot to F
36. step Step number Step number Step number LD XO Step number LD XO OUT 20 LD X1 OUT Y20 LD X1 DO D1 ND X3 LD X1 OUT Y31 OUT Y30 LD 2 AND 6 21 IB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Circuit example K123 5 M2 Operation example 100 m W ORD K 1234567890 K8M3Z 1 0 0 000 The content of step 100 is displayed in this 00 example LD gt I MPS ANB gp 8 AN EDX voa 0 STP w 0 0 LD X 00 5 Instruction has been written to step 100 NL cure gst ets ci 10 waiting for the input of instruction of step 101 AND MOV CJ W 100 LD X 005m ANS 9 6 AND M ar W 101 M 2 02 W 101 AND M 2 m 02 ORD Use key area A indicated in Section 6 2 w 102 ORO the key input the display change EN 6 22 IB NA 6605 6 PROGRAMMING FUNCTION OPERATION PROCEDURES key pressed after is regarded as irrespective of the valid key display DEC _ SFT OUT _ SET ae ORB ftbi faN 102 ORD 08 PLS cp K 123456789 0 a w 102 ORD WwW IAs W 102 ORD DEC LDI MOV
37. the keys the PU display shows LD MO IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 4 Write Mode Write mode is used to write a new program to the RAM of the programmable controller CPU or modify a program For write operation in machine language refer to Section 6 8 6 page 6 70 1 Write during run Write during CPU run may be performed with the following restrictions a Any previous instruction which is being overwritten should be of the same length i e same num ber of steps as that replacing it b Both the instruction prior to the write operation and the instruction to be written should not be Por instructions 2 Check for the same coil In write mode double coi error check is not made Check for double coil may be made in test mode For the operation procedure and other details refer to Section 6 8 4 page 6 67 6 12 iB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 3 Sequence program capacity When the sequence program capacity is set to nK steps the number of usable steps is as described below to n x 1024 2 steps Example In the case of 2K steps O to 2 1024 2 0 to 2046 2047 steps When microcomputer program capacity has been set to mK bytes with the AOJ2CPU the number of steps is 7 m 2 x 1024 1 steps Example Setting of microcomputer program capacity to 2K bytes 7
38. 40 to 79 T100 to 123 BO to 1FF WO to FF 119 T124 to 127 B200 to 3FF W200 to 1 The A7PU only allows the step relay S range to be read The AGGPP AGHGP AGPHP must be used to set and change the step relay S range 2 The step relay S range is 51536 to 2047 independently of the latch setting when step relay S present is set to the AOJ2CPU 3 The step relay S has the same functions as the internal relay M and can be used in the same way as the internal relay M in the program 6 79b IB 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Set parameters in the order that they are presented the display for each operation see sections 6 9 1 to 6 9 11 1 a STP QE set PARAMETER au RN NOT CLEAR i e a Parameter clear processing Section 6 9 1 on page 6 82 Setting of program memory capacity Section 6 9 2 on page 6 84 2 ee or A1CPU P ILE 5 STER ___ _ 1 _Setting of file register capacity B E STP Section 6 9 3 page 6 86 Setting of and L ranges Section 6 9 4 on page 6 87 1 lt of timer ranges Section 6 9 5 on page 6 89 6 80 IB NA 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A For 2 STP po 4 pp te Spe ene
39. 50Hz 40 1 octave minute Conforms to JiS 0912 10g 3 times in each of X Y and 2 directions Table 3 1 General Specifications of A7PU Continue 3 1 Conforms to JIS C9011 Vibration resistance Shock resistance IB NA 6 3 SPECIFICATIONS MELSEC A o NRI Specifications Operating ambience There should be no corrosive gases and dust should be minimum Cooling system Self cooling Table 3 1 General Specifications of A7PU 3 2 IB 66051 A 3 SPECIFICATIONS 3 2 AGPU Performance Specifications The performance specifications of the PU are as indicated below 2 Specifications quipped with illumination for the display Applicable audio cassette ike ey eer ar oe Any domestic cassette tape Applicable tape particularly home computer types Record output replay output 100mVp p 5Vp p Table 3 2 Performance Specifications of A7PU Continue 3 3 Connection system Audio cassette interface 3 SPECIFICATIONS 1 Hem Specifications 188 7 40 height x 79 3 11 width x 44 5 1 75 depth When loaded directly to CPU depth is 37 5 1 48 Weight kg Ib 0 5 1 1 Table 3 2 Performance Specifications of A7PU External dimensions mm inch 66051 0 3 SPECIFICATIONS MELSEC 3 3 Connection Cables The specificat
40. 84 me input and proceeds to the setting resetting of keyword Section 6 9 9 on page 6 97 by the input For the ADJ2CPU the execution puo to the setting of latch range Section 6 9 6 on page 6 92 d IB NA 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 9 11 Write of parameters Basic Operation When writing parameters to the CPU When not writing parameters to the CPU K gt BE OT gt CL TM to load new parameters into the CPU Press cu to prevent loading and then press the ea key to change the relevant parameters by stepping through the parameters listed in Section 6 9 1 to 6 9 11 a 6 100 IB 66 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Press to load parameters to CPU mo ues EE T S Exo During write to the CPU marks are Gieplay ed ER 2 Ones mark indicates 1K byte total of 1B NA 66051 A 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEU py 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES The audio cassette function allows the record write replay read and verify of data shown in Table 7 1 The record write and verify operations can be performed during CPU run The replay read operation can be performed only during CPU stop CPU T MEE OO lee se INC NNUS P
41. 8907 ust Gmm e 12345678902 LEDA ABCDEFGH Lc A A B 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 5 2 Read instruction Basic Operation Operation to read instruction iene STP with device and device number UNS DEVICE DEVICE NO STP Operation to read only by instruction is 57 1 The following instructions are read with devices and device numbers provided The other instructions are read only by instruction LD OR ANDSET PLS SFT OUT MC LDI ANI RST MCR The OUT T OUT C and MC instructions are read as follows Example Instruction OUT TO K123 read as OUT TO and instruction MC N3 M1023 read as MC N3 As for the P and instructions only read by device number can be performed Refer to Section 6 5 3 6 28 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A STP 2 After setting the instruction the TAg searches that instruction starting at step 0 and 3 displays the detected step Thereafter the 5 input starts the search from the next step and displays the next detected step When the step 15 not un CANT FIND is displayed Change of input data Prior to the input ci can be changed by the following operation 1 After the ct key input correct data 2 change the ids
42. Absent No setting Absent Table 6 1 Default Values and Set Values for Each CPU Continue 6 78 nen aml 1B NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 55 AO0J2CPU ATNCPU A2 E CPU 2 A3 E CPU A3NCPU Parameter Parameter setting range Default value Opera tion status prior to STOP is restored 128 alphanumeric and special characters Opera tion status prior to STOP is restored STOP RUN output mode Counter setting Interrupt counter Auxiliary function setting Print title entry i 5 B 21 hexadecimat digits iif 0109 AtoF setting range Output of status prior to STOP or result one scan after operation CO to 247 in units 2 8 points 128 alphanumeric and special characters Opera tion status prior to STOP is restored Default value Parameter setting range Output of status prior to STOP or result one scan after Operation to 247 in units of 8 points 128 alphanumeric and special characters Default value Opera tion status prior to STOP is restored Parameter setting range Output of status prior to STOP or result one scan after operation 247 in units of 8 points 128 alphanumeric and special characters Table 6 1 Default Values and Set Values for Each CPU Continue 6 79 Default value Opera
43. BIE ke ep d va 2 1 2 2 Sustem 236 E a 2 4 5555 Ee ROCA NC ead 3 1 3 6 3 I General SDecItICALOPIS oraa cR pr ROC inna LSM Ra aes E a Dan NOR a dC 3 1 3 2 A7PU Performance 5 3 3 3 9 Connection Cables 22 eA Ey SUPER Rc eR OR E 3 5 IB 4 HANDLING be ew 4 1 4 7 4 1 Handaling InstEUuctIDHS sss s on cod te RC SER UE ahaa CR aC 4 1 4 2 wo cae CR ie cte DR e hA Po HD LA 4 3 a3 Maintenance uli shee ee ee V A 4 6 5 STARTING 5 5 1 5 18 5 1 Starting Procedure and General Operation 5 1 5 2 Connecting and Disconnecting to and from the A Series 5 2 DS Checking Ot CPU Type UP En ARCH ICD tede oth d Ead o ee ERE e RUIT s 5 10 5 4 Checking OF KevWOFO uve PEA Ge deed 5 12 55 Function SalgctiOh 4 15 22 2 oor Le RES AS TRECE ED C Ge Ee doe 5 14 dU a ab ERO Side Nr XU AU Q
44. ET switch Check the fuse blow indicator LED of output unit Monitor special registers D9100 to D9107 and change the fuse FUSE BREAK OFF A fuse has blown in an output unit of unit corresponding to the special register of which bit is 66051 8 12 8 ERROR MESSAGE LIST MELSEC 44 The FROM and TO instructions can The cause is a hardware error in not be executed special unit CPU unit or base unit CONTROL BUS Control bus error with respect to change the unit and consult the special unit nearest sales representative When the FROM or TO instruction is executed access has been made to D 41 special function unit which has Since this IS hardware error of SP DOWN not responded the special unit consult the nearest 1 The accessed special function unit sales representative is defective 1 Remove the AJ71R22 or AJ7 1P22 AJ71R22 or AJ71P22 is loaded in from the master station the master station 2 Only one AJ71 R22 or AJ71P22 42 Two or more AJ71R22 or should be loaded in the local AJ71P22 are loaded in a local station station After correction reset NA 66051 A ennUK MESSAGE LIST MELSEC A Interruption has occured with out Hardware error Consult the nearest interrupt unit being loaded sales representative 1 Three or more computer fink l units are loaded on one CPU Max of two computer link units unit allowed 2 Two or m
45. F Only 1 point can be set for RUN contact Setting of PAUSE contact alone is not allowed 6 77 Default value Parameter setting range 0 to 64 points each in units 16 points input X unit Output Y unit Special function unit Vacant slot XO to FF Only 1 point can be set for RUN contact Setting of PAUSE contact alone 1 not allowed MELSEC A A1 E CPU A2 E CPU A2NCPU AS E CPU A3NCPU Parameter Parameter Danut soning Doat Serting range range 0 to 64 points each units 2 16 points input X 0 to 64 points each in units ui 16 points input X unit unit Output Y Output Y unit unit Special Special function function unit unit Vacant Vacant slot XO to FF Only 1 point can be set for RUN contact Setting of Setting of PAUSE PAUSE contact contact alone is alone is not allowed not allowed B 66051 D 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A A3HCPU lt AOJZCPU AME CPU A2 E CPU A2NCPU Parameter Parameter Parameter Parameter Parameter setting setting Default setting Default setting Default setting value value value value value range range range range range
46. MELSEC A 6 9 7 Setting of WDT Other than A0J2 A3HCPU Basic Operation Watch dog timer value 6r 1 By pressing the numeric value displayed on the screen is set 2 The set value of is in units of 10msec The deast significant digit must be 0 Operation example P SETTING Present setting displayed 0 0 m 5 P P WOT SETTING 2 0 0 20 0 5 STP oaa The screen contents are set and execution proceeds to the setting resetting of keyword entry code Section 6 9 9 on 6 97 6 96 IB 660 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 9 8 Setting the control mode A3HCPU 2 Press to set the mode displayed on the screen Pressing proceeds to Section 6 9 8 Pressing proceeds to Section 6 9 6 6 96a NA 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC 4 6 9 9 Setting resetting of keyword entry code Other than 2 Basic Operation Setting of keyword entry code KEY WORD I Resetting of keyword entry code 1 reset the keyword entry code 2 The keyword is made up of six hexadecimal digits Operation example When keyword has not been set P KEY WORD a keyword has not been set display is provided in blank CJ KEY WORD 1 2 3 4 001 2 3 4 T Setting is complete for keyword and execution proceeds to the c
47. MITSUBISHI PROGRAMMABLE CONTROLLER C Operating Manual Programming unit type A7PU your 5 penne ie niente ieee ER 77 MITSUBISHI ELECTRIC REVISIONS P The manual number is given on the bottom left of the back cover Manual Number Jul 1987 IB NA 66051 B CONTENTS Page 1 1 2 2 2 3 2 4 3 3 3 5 5 15 6 41 6 42 6 49 6 54 6 57 6 59 6 64 6 73 6 74 6 75 6 76 6 77 6 78 6 79 6 80 6 81 6 82 6 83 6 84 6 85 6 86 6 87 6 88 6 93 6 96 6 97 6 98 6 99 6 100 7 1 7 6 7 7 7 8 Page 2 1a 6 79a 6 79b 6 96a Page 4 5 I nstructions for Strategic Materials added m Nov 1988 NA 66051 REVISIONS The manual number is given on the bottom left of the back cover Manual Number Apr 1989 NA 66051 D Page 1 1 2 2 2 3 2 4 3 1 3 3 3 4 3 5 3 6 6 73 6 74 6 75 6 76 6 77 6 78 6 79 6 79a 7 6 7 7 7 8 INTRODUCTION Thank you for choosing the Mitsubishi MELSEC A Series of General Purpose Programmable Controllers Please read this manual carefully so that the equipment 15 used to its optimum A copy of this manual should be forwarded to the end User T id IB 66051 A 5 1 GENERAL 1 1 1 2 2 SYSTEM 2 1 2 4 22 ADBIICA
48. MOR 6 5 STP Program memory capacity is set to steps ore the A1CPU is used the execution proceeds to the setting of M and L ranges Section 6 9 4 on page 6 87 When the A2CPU or A3CPU is used execution proceeds to the setting of file register capacity Section 6 9 3 on page 6 86 For A3 or ASHCPU P PROGRAM MEMORY Present setting displayed MAIN IGK STEP P PROGRAM MEMORY 4 MAIN AK STEP STP P PROGRAM MEMORY Press to set main program capacity to 4K steps SUB STEP Display shows present sub program setting SET P PROGRAM MEMORY 4 SUB STEP sera eus Subprogram memory capacity is set to 4K steps and execution proceeds to the setting of file register capacity T Section 6 9 3 on page 6 86 6 85 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 9 3 Setting of file register capacity Other than 0 2 and A1CPU Basic Operation When changing File register capacity When not changing 1 Set the file register capacity of A2 or A3HCPU The setting unit is 1K point If the file register is not required set the capacity to OK point Operation example P FILE REGISTER MR 55224 Present setting displayed SET P FILE REGISTER 4 4 K File register capacity is set to 4K points and the execution proceeds to the setting of L ranges E Section 6 9 4 on page 6 87 6 86 IB 66051 6 PR
49. OGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 9 4 Setting of and L ranges Other than AOJ2CPU Basic Operation When changing Head number of L St When not changing 1 For the setting of M and L ranges the following screen is displayed The head number of presently set step relay 5 is displayed MN head number of presently set latch relay L is displayed 2 Input the head number as described below The head number of L must not be greater than that of S and must not be less than that of M When is not required input head number of L 0 When L is not required input head number of L head number of S 3 By the input of the head numbers are set to the numeric values displayed on the screen LL 6 87 IB NA 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example M 0 to 999 Present setting displayed L 1000 to 1999 2000 to 2047 ANIL OUT SET 9 3 4 is defined as 0 to 933 and L is defined as 934 to 1999 and is defined as 2000 to 2047 the setting of timer range Section 6 9 5 on page 6 89 6 88 IB 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 9 5 Setting of timer ranges Other than AQJ2CPU Basic Operation Head number of Head number of STP When changing When not changing 1 For the setting of timer ranges the following screen is
50. PU 9 Arcu LAXPU AZECPUARNGRU 1 1 66051 D 1 GENERAL DESCRIPTION After unpacking make sure that the package includes the following products Type J 1 cable for connection with audio cassette recorder In using the PU refer to the following manuals as required A series CPU User s Manual Instruction Manuai for the audio cassette used ae M 12 DCN 66 2 SYSTEM CONFIGURATION MELSEC A 2 SYSTEM CONFIGURATION This chapter describes system configurations with which the PU may be used 2 1 Applicable System The PU has a programming function and an audio cassette function 17 may be used in the following two ways in conjunction with the A series PC 1 Add on system The PU is connected directly onto the A series CPU 2 Hand held system PU is connected to the A series CPU with the AC30R4 AC300R4 cable for AGGPP Example configurations are shown in Fig 2 1 and Fig 2 2 on the following pages 2 1 IB 66051 A 2 SYSTEM CONFIGURATION MELSEC A A7PUs manufactured after March 1987 or those which have an H before the date of manufacture may be used with the ASHCPU P21 R21 The name plate shown below indicates the date of manufacture Year Last digit of the year Date of manufacture Bg E
51. TION PROCEDURES Read ADDRESS Write ADDRESS Machine language code QT For the 2 ASHCPU set reset of the offline switch cannot be performed Read write in machine language 6 57 MELSEC A 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 8 1 Set reset of X Y M L B and Basic Operation DEVICE DEVICE NO gt 1 device is turned by the input of and turned off by the input of When operation is performed during CPU run the device is merely turned on off as soon as the set reset operation is performed from the PU Thereafter the status of the device depends on the sequence program 2 If the device being set reset is X the processing of any instructions using this device is carried out on an basis between the image memory and the actual input The image memory is set reset by this function Take care not to SET RESET X devices used in the data link 6 58 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 3 By the input of S the next device number is displayed By the input of Bm the preceding device number is displayed If is input when the largest device number is being displayed the device number returns to the head device number If a is input when the head device number is being displayed the device num ber returns to the largest device
52. arameter progam ee eae RES ed _Memorycassette 9 Others General pu dj c9 se Table 7 1 Data Processed by Audio Cassette Function allowed 2711 IB 66051 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 MELSEC A 7 1 Operation Instructions 1 For the read or verify operation set the volume of the audio cassette to maximum Refer to Appendix 1 2 For the selection of tape recording time refer to the list of processing times the Appendix 3 Normal domestic cassettes may be used however those sold for home computer use are recommended 4 tape recorded with the AGPU be replayed to the CPU via the A7PU 5 device memory data recorded from the AOJ2CPUP23 R23 is replayed to the AOJ2CPU verify error will occur If device memory data recorded from the AOJ2CPU is replayed to the AOJ2CPUP23 R23 link register contents will be lost See Appendix 2 for required processing times For memory capacities gt 64K the AGGPP programs should be stored on floppy disk due to the long time required with the PU 7 2 IB NA 6605 1 4 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 2 General Operation for Audio Cassette Functi
53. ata can be changed with the following operation 1 Press aes key and input correct data 2 Re input the DEVICE and DEVICE NO 6 33 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A MPS ANB Operation example o WM o 0 0 0 4 79 H U 79 U R 005g R 09 MOV K4 Xx 00528 R K4 X d b 4 LDI 005m R 4 LD ICANT FIND R m Z R 102 MOV 0 R 09 MOY K4 X 0052 100 102 108 114 5 6 5 5 Circuit example DO 012 29 2 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 6 6 Insert Delete Mode The insert delete mode is used to add or delete instructions to or from the program memory In this mode operation can be performed only during CPU stop The basic operation in insert delete mode is as described below Operation in STP insert delete mode STEP 7 F pearing of seem Operation from read Instruction display operation in 2 write monitor mode read write monitor mode Insertion of instructions Insert delete Operation in STP STP insert delete mode ssn STEP NO Deletion of instruction Operation from read Instruction display operation in 52 2 write monitor mode read write or monitor mode indica
54. be performed when the step number is displayed 1 After specifying the step number press the or to display that instruction 2 When the specified step number is located halfway through an instruction the head step number of that instruction is used Example When step 106 is specified in the example shown on the following page the program is displayed beginning with step 104 3 Each time the key is pressed the next instruction is displayed Each time the key is pressed the preceding instruction is displayed 6 25 iB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 4 If the specified step number exceeds the final step the program automatically returns step 0 If the step number precedes step 0 the program automatically returns to the final step 6 26 IB NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Circuit example pens example e Y 9 ey o 4H 43 idi xl 0 79 UU v e 79 gt E a r o Or 4 lt lt gt joo C2 gt CJ A3 low O L 9 D 2 0 2 U 2 Ww gt lt Oj Io ra lt lt K4 Y IFO M 109 DMOV R 109 DMOV 234567
55. c Operation Processed data selection 1 By pressing the key switch the display screen Selection of processed data 2 By the input of the mode displayed on the screen is set PTP Execution proceeds to Section 7 5 Section 7 6 Section 7 7 depending the selected data Parameter Other than AOJ2CPU 7 7 Program Parameter program Other than AOJ2CPU ee ce To Section 7 5 Subprogram only A3 E ASHCPU Device memory except X Y special M special D File register 2 A2N ASHCPU Comment Status latch 2 2 ASN ASHCPU ccc To Section 7 7 Sampling trace A2 E 2 ASHCPU Memory cassette only RAM area of A2 E A2N A3 E ASHCPU thers General data To Section 7 6 Toa ae so ot dad Execution returns to Section 7 3 3 This operation is required for all record replay and verify modes 7 6 IB 6605 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEC A Operation example PARAMETER A1 E CPU COMMENT MEMORY A2 E A2N A3HCPU LATCH A PROGRAM A3 E ASN A3HCPU LING TRACE CASSETTE A1 E 1 A2 E 2 D CPU A1 E a CE MEMORY AINCPU 0 indicates 3 Indicates the mode set in Section 7 3
56. ces are displayed Device display order 2 LTZHTZITZCZD ZW gt indicates input and lt indicates input When is pressed during the display of device B execution returns to Section 6 9 5 When STP is pressed during the display of device W execution proceeds to Section 6 9 7 When the is used execution proceeds to Section 6 9 8 6 93 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example P LATCH SETTING Present setting displayed B OoO 0 IFF 22 LATCH SETTING A 0 B IFF a Pressing SFT causes the cursor to move to the final 0 0 FIFI number setting SFT CJ OUT P LATCH SETTING 3 OAO 23 SETTING DL ever Pressing causes the next device to be displayed 0 20 LATCH SETTING Pressin causes blank space to be written LT ge 9 sp 5 P LATCH SETTING STP Pressing leaves LT with no latch range setting 6 94 IB 6605 6 PROGRAMMING FUNCTION OPERATION PROCEDURES A0J2CPU Half latch A L Full area latch 2 By the input of the displayed latch range is set By the input of 51 the execution proceeds to Section 6 9 9 page 6 99 By the input of the execution proceeds to Section 6 9 2 page 6 84 6 95 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES
57. d Checking may be resumed by pressing beginning at the next step Since all instructions from step 0 to the END instruction are checked this may take a few seconds 6 67 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example P 1024 Displays the step number currently being checked T 1234 LIEU Indicates that the device at step 1234 Display example of dual coil check DUAL COIL ERRORE p Display example of instruction code check ODE ERROR Step 1413 has instruction code error Display example of END instruction check T 1999 Indicates that the END instruction ENO is stored at step 1999 T 6143 Indicates that the END instruction MISSING END has been omitted 6 68 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 8 5 Reading the error step and error description Basic Operation 1 An error which has occurred in the programmable controller CPU is read and displayed by pressing Error step number Only error numbers 10 13 46 and 50 Error number Error message 2 When there is no error NO ERROR is displayed For error numbers and error messages refer to Section 8 3 on page 8 7 6 69 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A 6 8 6 Read write in machine language Basic Operation 497 Write
58. d work bench 2 Do not touch the conductive areas of the printed circuit board and its electrical parts with any non grounded tools etc Under no circumstances will Mitsubishi Electric be liable or responsible jor any conseauentiel damage that may arise as a result of the installation or use of this equipment All examples and diagrams shown in this manual are intended Only as an aid to understanding the text not to guarantee operation Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples Owing to the very great variety in possible applications of this equipment you must id yourself as to its suit ability for your 66051 49 MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI DENK BLOG MARUNOUCHI TOKYO 100 TELEX J24532 CABLE MELCO TOKYO NAGOYA WORKS 1 14 YADA MINAMI 5 HIGASHI KU NAGOYA JAPAN 1B NA 66051 42904 MEE Printed in Japan O AN subject to change without notice
59. de displayed at Y the top left of screen Read mode R Write mode W Insertion deletion mode 4 Mode key Monitor mode M Test mode T Parameter mode P These mode keys may be used at any time during programming 6 2 IB 6605 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 2 Screen Display General Operation Procedure 1 Mode and indication of key The selected mode is displayed operation During communication with ACPU the cursor flickers When mode other than parameter mode has been selected the valid Operation for use of the keys 15 indicated Upper key function Indicates the area of keyboard indicates the area B of keyboard Lower key function Display example ST The upper key functions in area A are valid The lower key functions in area A are valid 9024 The upper key functions area are valid SS The lower key functions in area B are valid 6 3 IB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 2 Handling of sft key The control and display of valid keys is automatically performed by the PU However when it is necessary to change this press the shift SF T key By pressing the shift key the key operations change as shown below The it mark indicates a key operation 3 Use of key a For modes other than parameter mode The CL or CLEAR k
60. displayed TIMER LTO Head number of 100ms timer Head number of 10ms timer Head number of timer Presently set head numbers are displayed 2 Press to switch between the 10ms timer and the retentive timer 3 Input the head numbers as described below Head number of 100ms timer S head number of 10ms timer S head number of retentive timer When the 100ms timer is not required set the head number of the 10ms timer 0 6 89 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A When the 10ms timer is not required set the head number of 10ms timer head number of retentive timer When the retentive timer is not required set the head number of retentive timer 256 Example When not changing the range of 10ms timer but changing only the range of retentive timer Head number of input ET 4 the input of the head numbers are set to the numeric values displayed on the screen 5 Minimum setting in units of 8 timers Be sure to set the head number of each timer so that it can be divided by 8 6 90 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example P TIMER SETTING P t setti LTO HT200 172560000 resent setting displayed 100ms Low speed timer LT O to 199 10ms High speed timer 200 to 255 Retentive Integrating timer No setting P TIMER SETTING 1 2 8 LTO
61. e device number returns to the head device number If is input when the head device number is being displayed the device num ber returns to the largest device number 4 The screen displays the contents of a maximum of two devices 6 64 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A 5 When the SFT key is pressed during the operation of this function execution proceeds to the set reset operation of X Y M L B and F Section 6 8 1 on page 6 58 6 65 NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example NOP Y SFT RST STP SET 4 RST 0 SET 4 T m Y j T SW Y j 1 T sway The monitor display of offline switch status T sets online status SWHY 000 T S sets offline status Sw Y 000 IB 6605 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 8 4 Program check Basic Operation 1 The sequence program is checked pressing and Items which checked are as follows a Dual coil check Devices Y M L B F T and C in sequence instructions OUT SET SFT PLS MC and PLF are checked for dual coils b tnstruction code check Sequence program instruction codes are checked c END instruction check END instruction in sequence program is checked 2 When an error has been found as a result of the check the step number and an error message are dis playe
62. e present value in decimal input only the Present value For the input of present value data use the device number setting keys in area shown on page 6 3 During CPU run the present value of the device changes according to the normal processing of the program 2 Switch between decimal and hexadecimal constants with the 5 key 3 When 07 is written as the present value of timer counter the contact is also reset 8 61 IB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A 4 By pressing the key the value of the next device number is displayed By the input of the value of the preceding device number is displayed If is input when the largest device number is being displayed the device number returns to the head device number If is input when the head device number is being displayed the device num ber returns to the largest device number b The screen displays the contents of two devices 6 Present value change of special register The special register is controlled by the OS of the A series CPU To change the present value of a spe cial register perform operation after checking the content referring to the CPU User s manual 7 Present value change when 32 bit instruction is used Changes to present values can only be done in units of 16 bits using the PU Therefore convert the 32 bit data to hexadecimal and write it in units of 16 bits Example To store K305432864 H12348920 to
63. ey is used to delete an instruction while it is being keyed in Hence if an error is made during program writing pressing the CL key will allow the operation to be repeated correctly 6 4 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 5 b In parameter mode Processing is stopped key This key is used to declare a step number When the key is pressed the display of key operation changes to the following The lower key codes in area A valid The lower key codes in area are valid ST 51 ana 97 keys These keys are pressed at the end of a series of key operations in order to execute those key operations After checking the display press the relevant key In this manual indicates that either of 87 key be pressed Cursor display method The cursor is controlled by the PU and flickers at intervals of approximately 0 5 seconds The cursor may appear as or depending on the circumstances In this manual a frame 01 is used to indicate the cursor position 6 5 IB NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 Display of key input data Key input data is displayed on the left of the cursor display in due order Example With the following key input 5 are alternately displayed at the cursor position 8 Numeral dispiay decimal number is displayed with zero s
64. h the button pressed pull the connector in the direction of arrow Fig 5 3 Connecting and Disconnecting of PU and AC30R4 Cable 5 7 IB NA 66051 A 5 STARTING PROCEDURES MELSEC A 1 J 1 to PU As shown on the left connect the cable to the audio cassette connector at the bottom of the PU 2 Connection to audio cassette O Write mode Connect the cable to the microphone termina or equivalent of audio cassette recorder O Read and verify modes Connect the cable to the earphone terminal or equivalent of audio cassette recorder J 1 cable Fig 5 4 Connection with Audio Cassette 5 8 IB NA t 5 STARTING PROCEDURES MELSEC A Fig 5 5 Storing of protective cap 5 9 IB 86051 A 5 STARTING PROCEDURES 7 5 3 Checking of CPU Basic Operation 1 By the input of When an entry code has been specified proceed to Section 5 4 When the A7PU is loaded into the AOJ2CPU or an entry code has not been specified proceed to Section 5 5 2 When the PU is connected with the CPU or the PU is reset refer to Section 5 6 the following screen is displayed Displays the connected CPU type po er the ROM cassette type loaded to the PU AU DW PU Qo MN the PU version 5 10 18 66051 5 STARTING PROCEDURES After the PU is connected to the CPU it takes 3 to 5 seconds until the screen shown on the left is di
65. how ever only the input of is valid The key is valid in insert mode 4 When the step number is located halfway through an instruction the head step number of the instruc tion is searched and that step number and instruction are displayed 6 39 IB N 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Circuit example Operation example In this example dotted line area is deleted SFT RST SFT 87 8 7 iem m 100 t 01 5a ao L STP input the instruction 195 step 101 is displayed 19 Pressing AND 5 is deleted and the remain By the deletion operation the step numbers change ing program steps are shifted ANI M6 is displayed as the instruction at step 101 EX 01 OR M TA EE IOI OUT Y 20 GAO mani IB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 7 Monitor Mode Monitor mode is used to monitor the ON OFF states of various devices and the contents of various registers in order to check the operation of the program Monitor mode can be operated during CPU run The basic operation in monitor mode is as described below eap eene m Monitor of D W R and A Device Device ST Monitor of Z and V Device 0 Operation in monitor mode Monitor of D W R A 2 and V Lst EP
66. in the CPU into default values select the screen shown below and press STP P PARAMETER CLEAR By the input all the parameters are changed to default values and execution proceeds to the setting completion operation Section 6 9 10 on page 6 99 If a keyword entry code has been set parameters cannot be cleared Therefore it is necessary to redefine the keyword Section 6 9 9 on page 6 97 6 83 IB NA 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSECA 6 9 2 Setting of program memory capacity Other than AQJ2CPU Basic Operation Ecc For A1 or A2CPU capacity 59 i n STP UB 5250 STP For or ASHCPU etian FS ga Ed l STP When not changing the capacity a 1 For the setting of program memory capacity the following screen is displayed iP PROGRAM Current program memory capacity is displayed MAIN SUB for A3 ASHCPU only 2 By pressing ST or the program memory capacity displayed on the screen is entered as meter The setting unit is 1K step 3 When the ASHCPU is used set the memory capacities of both the main program and subprogram When the subprogram is not required set the subsequence program capacity of OK step 6 84 IB INA 66051 8 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example For 1 A2CPU P PROGRAM _ MEMORY Present setting displayed K STEP ORB P PROGRAM E
67. ions of connection cables required for the PU are as indicated below 1 cable Table 3 3 AC30R4 Cable 2 AC300R4 cable Specifications Connected CPU Between A series CPU and A7PU 30 08 4 Weight kg Ib 5 11 Table 3 4 30084 Cable 3 5 IB 3 SPECIFICATIONS MELSEC A 3 J 1 cable Table 3 5 J 1 Cable MID DET er ee gems e oT 66051 D 4 HANDLING 4 HANDLING This chapter describes the handling instructions nomenclature and maintenance of the PU 4 1 Handling Instructions 1 Do not drop or subject to shock 2 Do not disassemble the case 3 When the PU is not in use or the PU is connected to the CPU via a cable fit the protective cap on to the connector 4 Do not touch the connector pins of the PU 5 Do not open the ROM cartridge container and do not remove the ROM cartridge located inside NA 6 4 HANDLING 7 IMPORTANT 1 When designing the system ensure that all protective and safety circuits are located outside the 2 Static electricity will damage the components the printed circuit board therefore 1 Ground human body and work bench 2 Do not touch the conductive areas of the printed circuit board or the components with any non grounded material 4 2 IB 66051 4 HANDLING 4 2 Nomenclature The
68. nt value of 0 0 2 K2X0 ON OFF of is displayed Not ON OFF of XO to X7 5 Sequence instruction When the device is T C D W R A Z or V the present value is displayed Device number ON OFF display of device contact Continuity status of instruction is displayed X Y M L B F T C Continuity status ON Non continuity status o OFF 6 50 Step number Instruction IB NA 66051 ues 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 Basic instruction and application instruction Continuity status of instruction is displayed p Continuity status B Non continuity status Step number Instruction Device number Present value display of device ON OFF display of device contact T C D W R A 2 V X L B F T D IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example Log B Circuit example X21 MO x STP M 1008 0 MX 021 107 MOV 207 K4 Y1FO NY 21 002 4 1 M D o 5 8 LO2BMLOI T stp M 10201 T pes 1 has not yet timed up 03 AND Y 032 STP M 103 AND Y 032 Since X21 continuity status O4M0RB the ORB instruction is in continuity status STP M 1 04MORB E cc ow as
69. number 4 The screen displays the states of a maximum of four devices 5 When the 5 key is pressed during the operation of this function the execution proceeds to the set reset operation of offline switch Section 6 8 3 on page 6 64 Invalid for 2 A3HCPU IMPORTANT Be sure to reset any device which has been set by this operation e g by use of the RESET switch on the CPU unit 6 59 IB 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A Operation example NOP RST Y 0 STP SET 4 STP MOV ANB SFT SFT M 5 1 1 Y 00 01 Ay ooo displays the ON OFF status of YO 7 my causes YO to be SET ON v 0008 8T causes YO to be RESET OFF T Y 000 BY 001 STP displays the ON OFF status of the next device 1 000m ZY 001 M 5 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A 6 8 2 Present value change of C D W A 2 and V Basic Operation DEVICE DEVICE NO Present value T 1 By inputting the current value and ON OFF status for of the selected device number is displayed Monitor 15 stopped by the input of HE the content of set device number is changed to the input value by the input of and and then monitor display is resumed To set the present value in hexadecimal input and To set th
70. o cassette does not operate during replay or verify sum check error has occurred with respect to the sum check code 4 recorded on the tape MT ERROR Data in excess of the data recorded on the tape has been attempted to be replayed or verified The assignment of memory set by UTEM ERROR Set correct setting range Load correct memory cassette or check the combination of memory cassette and tape parameters replayed from the tape has exceeded the capacity of the memory cassette 8 5 6605 8 ERROR MESSAGE LIST MELSEC A Condition Proper communication cannot be RE POND made with the CPU Check cable connection etc A verify error has occurred 7 uM L2 Device memory data recorded from VERIFY ERROR the AOJ2CPUP23 R23 has been re played to the AOJ2CPU 8 6 IB 66051 A 8 ERROR MESSAGE LIST 7 MELSEC A 8 3 Error Number and Error Message List When an error has occurred in the programmable controller CPU one of the following messages is displayed by the operation described in Section 6 8 5 on page 6 69 gt INS CODE ERROR PARAMETER ERROR An instruction code which cannot be decoded by the CPU is included in the program 1 A ROM including an instruction code which cannot be decoded has been loaded
71. o four as follows 1 Instruction code 7 2 LD LDI AND ANI OR ORI OUT except OUT T SET SET RST PLS and MCR instructions ws gp i DEVICE DEVICE NO Example LD XO 10 n HOS 3 OUT T C a and MC fona ad T E teer te e Hes E d uii es d ing Nee shes PRAS eet te m tue QUAM tu M weis am MA MEA Ru heat UA Me hes Si deat DA ne ne ee 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A ennaa 4 Instructions other than the above Press the key between the instruction and device and between source data and destination data Example MOV K255 D0 x 2 s s C 9 SF D1 02 3 2 O amp 2 06 02 2 EE ee te Cri Co CO Ji C e CO 022 5 B ASCII character input procedure To include a blank code in an ASCII character string press the key 6 Handling of devices L In test monitor write and insert modes the displays of devices M and L change depending on the setting SS 49210 IB NA 6 6 PROGRAMMING FUNCTION OPERATION PROCEDURES L Example Assume that the parameter setting is MO to 999 and L1000 to L2047 By pressing
72. odels has been checked as of May 1986 and are examples only this should not be taken as an indication of the models availability in a given country Laie Set the volume graduation to the range from 5 5 10 to 10 10 APP 1 IB NA 66051 APPENDIX MELSEC A APPENDIX 2 Processing Time for Audio Cassette Function Parameter aK bytes eK Amro mins OOOO Sokseps Approx 25min Ose O O OOU U MERKEN Device memory 8 bytes 4K points Approx amin Comment 64K bytes 4032 points Approx 26min 28sec Status latch 28K bytes Approx 12 min ee te Sampling trace Approx 4 min Subprogram APP 2 IB NA 66051 A APPENDIX MELSEC A Others 4K bytes Approx 2 min 25 sec General data 10K bytes Approx 4 min 40 sec Memory cassette APP 3 iB NA 6605 5 APPENDIX External Dimension Diagram 69 5 2 74 ATPU PROGRAMING UNIT uec 7 0 28 3 9 0 22 32 1 26 Unit mm inch IB 66051 A A IMPORTANT The components on the printed circuit boards will be dumb by static electricity so avoid handling them directly If it is necessary to handle them take the following precautions 1 Ground hum n body an
73. ompletion of settings operation Section 6 9 10 on page 6 99 BU uc oe 1B iN _ 6 PROGRAMMING FUNCTION OPERATION PROCEDURES When keyword has been set KEY WORD 23 EN The keyword is displayed KEY WORD EL input pm Rope pity is erased SIPIL x4 resetting is pies and execution to the 2 completion _ of setting operation Section 6 9 10 on page 6 99 When changing the keyword entry code 1 Reset the keyword by the above operation 2 Setanew keyword by the operation described on the preceding page S 4 if E 2 PRO 4 4 ze NC 6 98 2 m 2 x LEM i n E DURER IB NA 66051 B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 9 10 Completion of setting operation Basic Operation When parameter setting is completed and is to be loaded to the CPU When changing the parameters sm 1 setting completion operation Ipads the di Uu to the CPU or allows the to pe checked am EE D E Operation example oo POSEE BC em m KEY IN END parameter setting is complete and the execution proceeds to the parameter write Operation Section 6 9 11 on page 6 100 P IF KEY IN To check the parameters written execution proceeds to the parameter clear operation Section 6 9 2 on 6
74. on The general operation for the audio cassette function is explained below Refer to Section 7 3 STP too ste Pod d 72 Wo 2 UA Parameter feret Device memory 1 Ban E File register uence program Others General data Comment END progra Parameter sequence program Refer to Section 7 6 Status latch Subprogram Sampling trace Sp 5 Memory cassette Refer to Section 7 5 m Setting completion operation Refer to Section 7 7 END Execution Refer to Section 7 8 7 3 IB NA 66051 A 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEC A 7 3 Mode Setting Basic Operation Mode selection 1 By pressing the key switch the display screen selection 2 By pressing the mode displayed on the screen is set xev Execution proceeds to Section 7 4 STP Execution proceeds to Section 7 7 The mode selection result is shown at the left top of screen W record write to cassette tape Mode display R replay read from cassette tape V verify 7 4 IB 66051 A 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEC A Operation example etel Record mode Replay mode Verify mode 7 5 IB NA 66051 A 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEC A 7 4 Setting of Processed Data Basi
75. ore AJ71P22 or Only one AJ71P22 AJ71R22 AJ71R22 are loaded allowed 3 Two or more interruption units Only one interrupt unit allowed are loaded Access execution of FROM or instruction has been made to a Check and correct the content of SP UNIT ERROR location where there is no special FROM or TO instruction function unit 1 Write parameters again 2 parameters are correct but Link parameters are incorrect the 71238896 still displayed the cause is a hardware error Therefore consult the nearest sales representative 8 13 1B 66051 penso 8 115 1 result of BCD conversion has exceeded the specified range 9999 or 99999999 2 Setting has been performed ex ceeding the specified device range and operation cannot be perform OPERATION ERROR An error code is displayed no message 1 The battery voltage has reduced 2 The battery lead is disconnected Read the error step check and cor rect the program at that step Check the device setting range BCD conver sion value etc 1 Change the battery 2 When RAM memory or power failure compensation is necessary connect the battery IB NA 66051 A MELSEC A APPENDICES APPENDIX 1 Level Matching of Audio Cassette This chapter describes the levels classified by the models of audio cassettes The following m
76. play Device number ON OFF status display t ORE 2 By pressing the key the ON OFF status of the next device number is displayed By pressing the STP key the ON OFF status of the preceding device number is displayed If is input when the largest device number is being displayed the device number returns to the head device number If is input when the head device number is being displayed the device num ber returns to the largest device number 3 The screen displays the ON OFF states and values of two devices 6 47 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Operation example SFT CJ SFT 2 1 5 2 m M 015 32767m T 12 03 7 H7FFFm T 2 H7FFF 3 T 2 M 2 9m Em or Ar o o o e onj m 4 or lor jo o Ow ui oe M 5 2 5 9 MC 6 48 TANE T12 present value 1015 contact OFF TOP T13 present value 32767 contact ON pressing the key the display is switched to hexadecimal M By pressing the key the display is switched to decimal IB NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 7 4 Continuity check Basic Operation STP Operation in monitor mode f Operation from write urs display m n
77. rature is outside the range 10 C to 50 C 2 Ambient humidity is outside the range 10 to 9095 RH 3 Condensation occurs due to sudden temperature changes 4 Anywhere that the PU may be subjected to wind and rain or the direct rays of the sun 5 Anywhere that there are excessive amounts of conductive powders such as dust dirt and iron filings or corrosive gases oil mist salt etc 2 Ensure that the audio cassette manual is fully understood before use 4 6 IB NA 66051 A 4 HANDLING 5 3 Avoid storing tape cassettes in places where temperature and or humidity are high or in the vicinity of strong magnetic fields 4 When storing a cassette for a long time replay and rewind it on the cassette player every six months 4 7 1B NA 6605 5 STARTING PROCEDURES MELSEC A 5 STARTING PROCEDURE 5 1 Starting Procedure and General Operation Procedure Connect PU to CPU Refer to Section 5 2 Checking of CPU type Refer to Section 5 3 When A7PU is loaded to AOJ2CPU or entry code has not been set Checking of entry code Refer to Section 5 4 m Refer to Section 5 5 Programming function Refer to Chapter 6 Refer to Chapter 7 5 1 1B NA 66051 A 5 STARTING PROCEDURES MELSEC A 5 2 Connecting and Disconnecting to and from the A Series CPU The PU can be connected and disconnected to and from the PC while it is running If possible however connect
78. rify operation example p i The R displayed during replay and V displayed during verify STP Executes level matching check If OK the following display is provided Inside 1 REPLAY or VERIFY is displayed as appropriate During execution the RUN display flickers and the remaining amount of memory is displayed at the bottom of the screen if the level matching check result is not satisfactory the following screen is displayed for approximately 60 seconds In this case the volume of the audio cassette When the level is OK the screen shown above is displayed if the level does not become OK during the level check Which lasts approximately 60 seconds LEVEL ERROR is displayed In this case press rewind the tape and repeat the operation 7 15 IB 66051 A 8 ERROR MESSAGE LIST MELSEC A 8 ERROR MESSAGE LIST This chapter describes error messages and corrective actions during programming and use of cassette inter face 8 1 Error Messages for Programming Function If an error message is displayed press the relevant mode key and repeat the operation correctly Display Display Condition Write insert delete mode or another mode has been attempted during Set to CPU stop run CPU run 2 has been searched but cannot Dr RENE 21 FIND found 8 1 IB 660 8 ERROR MESSAGE LIST
79. ruction and press the key This writes the instruction to the CPU memory and advances the step number Thereafter each time the and are input the instruction is written and the step number incremented 2 An instruction is not written per step but written per instruction Example In the case of DO D1 MOV DO and D1 do not need be written separately but inb ks 6 19 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 7 MELSEC A 3 When the instruction written in the memory is overwritten with another instruction the number of steps of the preceding instruction may be different from the number of steps of the instruction to be written In this case the step numbers of the succeeding program are automatically shifted For details refer to the following page Therefore if write operation is performed after a program has been written up to the maximum memory capacity the program in the vicinity of the final step exceeds the memory capacity and is erased 4 Be sure to write the instruction at the end of program 6 20 ss 66 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Processing examples when the number of steps of the instruction written the memory is different from the number of steps of the instruction to be written Example 1 To rewrite 29 1 step to 2 To rewrite MOV DO D1 5 steps to MOV D0 D1 5 steps 2 1
80. splayed 20K bytes 10K steps It takes approximately 1 4 seconds to clear 1K bytes 0 5K steps Upon completion of the clear operation the buzzer is sounded 5 17 66051 5 STARTING PROCEDURES LL HMEISEC i When the clear operation described is performed all sequence programs are cleared and the para meters changed to default values 5 18 NA 6t 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES The following six programming functions are available For reading program by step number instruction device number Write axo Ce x For writing a program Programs may be written to the CPU while it is running Insert delete For inserting and deleting instructions 527 Monitor For monitoring the specified device number data register offline switch etc POS x4 For forcing devices ON OFF changing the present value of data registers switching devices ON OFF fine checking of programs reading step numbers of errors and reading writing of programs in machine code Parameter setting Mode to set the parameters of the ACPU During CPU run means in run status or in step run status NA 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 1 Mode Selection Basic Operation key input Indicates the abbreviation for the mo
81. splayed Before this screen is displayed the status of screen is as shown below The same applies during communication with the ACPU gt 5 11 66051 5 STARTING PROCEDURES 5 4 Checking of Keyword or Entry Code only applicable if entry code has been entered into the parameters Basic Operation Entry code input operation Only the device number setting keys 0 to be pressed o KEY WORDz ACOS97 Entry code When entry code coincides KEY WORD OK When entry code does not coincide KEY WORD N G indicates that the or key is input 5 12 1B 66 5 STARTING PROCEDURES When the CPU type checking operation is performed after the entry code is specified 6 digit hexadecimal number the keyword input screen is displayed When a keyword has not been entered or A7PU is loaded 2 the screen shown in Section 5 5 is displayed 1 Input the six digit hexadecimal data using the device number setting keys 2 Check the keyword After OK NG has been displayed for two seconds the screen shown in Section 5 5 is displayed When keyword and entry codes do not coincide only the following operations are valid Monitor of X Y L B and F Monitor of D W R A Z and V Monitor mode Monitor of timer counter Monitor of offline switch Y M L B and F Set reset of X Y M L B
82. ss ADDRESS Machine language code 1 content of address set ADDRESS and is directly read from the CPU and prea in hexadecimal The new machine language code may then be written to the CPU by inputting Machine language code and The read operation be performed even during CPU run However the write operation can be performed only during CPU stop If the PU has been set to programming function during CPU run the write operation can be performed during CPU run Input data is displayed Data read from CPU is displayed Address 5 digits in hexadecimal 6 70 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC 2 By pressing the content of the next address is displayed By pressing _ the content of the previous address is displayed In this operation Only the area device number setting keys shown on page 6 3 are valid 6 71 IB 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSE Operation example ss L CHEE 8 4 0 0 08400 0 TTE 08400 08400 08401 23 m 08400 08401 23 110 m 7 088401 23 10 08402 7F 6 72 9 pressing the content of address 8400 hexa decimal is displayed pressing es the content of the next address js displayed STP pressing
83. ta settings Operation example KEY Completes setting and proceeds to execution operation Section 7 8 IF OK KEY END Em To change or check data settings Screen returns to mode setting Section 7 3 on page 7 4 By pressing execution returns to the operation Section 7 4 Section 7 5 or Section 7 6 immediately prior to the setting completion operation 7 12 6605 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES 7 8 Execution Operation Basic Operation When executing processing SIF When not executing processing 1 The execution operation is used to execute or not to execute the mode set in Section 7 3 Operation example Indicates the mode 7 13 iB NA 66051 A 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES Upon completion of execution the following screen is displayed By pressing 57 after completion execu tion returns to Section 7 3 RUN COMPLETION NEMPE Allows re setting Section 7 3 to 7 7 Record operation example During execution the RUN display flickers and the remaining amount of memory displayed at the bottom of screen One mark indicates 1K byte Note the approximate processing time in the Appendix before selecting the audio cassette tape to be used 7 14 66 7 AUDIO CASSETTE INTERFACE OPERATION PROCEDURES MELSEC A Replay and ve
84. tes operation to be performed when step number is displayed 6 35 66051 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 6 1 Insertion of instructions Basic Operation Operation insert delete mode STP Setting of STP pe STEP NO 7 877 Operation from read write Instruction display operation in 5 monitor mode read write or monitor mode DEL indicates operation to be performed when step number is displayed 1 A new program is inserted in front of the specified step The succeeding instructions and step numbers are adjusted accordingly If the insert operation is performed with program lengths approaching the maximum memory capacity and the addition of steps causes the memory capacity to be exceeded the final instructions will be lost 2 An instruction is not inserted per step but per instruction 6 36 IB 6606 6 PROGRAMMING FUNCTION OPERATION PROCEDURES STP STP 3 After inputting the STEP NO either the or key may be operated However after setting an instruction it is inserted by pressing key The key is valid in delete mode 4 Instructions are Keyed as described in section 6 3 5 When the step number is located halfway through an instruction the head step number of the instruc tion is searched and that step number and instruction are displayed 6 37 IB 66051
85. tion status prior to STOP is restored Absent ENT CNN setting range Output of status prior to STOP or result one scan after operation No setting 128 alphanumeric and special characters 66051 D 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A CPU 0 2 ATNCPU A2 E CPU A2NCPU A3 E CPU A3NCPU A3HCPU Parameter Default Parameter Default Parameter Default Parameter Default Parameter value setting value setting value setting value range range range setting setting range range refresh Input refresh output direct input direct output refresh VO direct Initial Initial Initial Initial Initial Operation mode opera No setting opera No setting Opera No setting No setting tion tion tion tion tion Interrupt Absent counters Absent No setting Absent No setting Absent No setting Absent No setting Absent present set for 10 to 131 per counter Table 6 1 Default Values and Set Values for Each CPU 6 79a IB 660 6 PROGRAMMING FUNCTION OPERATION PROCEDURES Internal relay latch relay step relay range setting for the 2 Selection 5 Unatehed rea SOS Area O Half latch MO to 1023 to 63 DO to 255 TO to 39 T80 to 99 T120 to L1024 to 2047 C64 to 127 D256 to 511 T
86. ue de afa 5 16 5 7 Clear of Keyword and Sequence 5 17 IB NA 66051 6 PROGRAMMING FUNCTION OPERATION 5 6 1 6 101 6 1 Mode Selection CRUS RR ORC Ro RC RE RAR 6 2 6 2 Screen Display and General Operation 6 3 6 3 Instruction Input 6 9 64 Write Mode ois ate e ads ah E EGER LAU obse NIAE HON I e d 6 12 6 4 1 All clear Consecutive write 6 15 6 42 Write ol DIOGFBITIS QC Ene eC A er e P Ae er 6 19 6 5 head Mode s Sun soo oa a a a e d RECIEN Ede TE d E AUR E ENG 6 24 65 1 Readbystepnumber 2 hi ho ih y rns 6 25 65 2 Read by instructions uo edes de EX dis E TRU cb SO e 6 28 6 5 3 Read by device number 6 33 BB mser Delete ui ord ded eroe d SUN Qe dowd goo odi M dc ACA d CERE A 6 35 6 6 1 Insertion of ins t HetlORS ooo See RONDE OU AC RE D QU OES 6 36 060 2 Deletio n of instructions e de ee EE OREO a 6 39 IB NA vir ab whe JE SCENE Bee 6 41
87. uppression tem LOHE hexadecimal number is displayed 4 digits 8 digits without zero suppression Example HeH PEERS 48 00 9 Device display When there are two or more devices in a basic instruction a comma is provided after the instruction to indicate which of the devices is currently displayed in the lower portion of the screen Zero suppressed Sero displayed 1B 6 PROGRAMMING FUNCTION OPERATION PROCEDURES ____ MELSEC A Example eno no Koo xr R 00 FROM First device no comma H 0 1 input 100 FROM Second device comma after FROM 9 key input R 100 FROM D 0 T P key inpu R 100 E ROM vu K Fourth device three commas Third device two commas 6 7 IB NA 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSce py 10 Step number display Step numbers are displayed in decimal When two five figure step numbers are being displayed they appear as shown on the right Area reserved for E function indication pon lower 4 digits of step number are displayed t the step number is displayed in 5 digits 66 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 6 3 ineeuetion Input Procedures Instruction input procedures with Classified int
88. ut when the largest device number is being displayed the device number returns to the head device number If 9 is input when the head device number is being displayed the device ber returns to the largest device number 3 The screen displays the offline statuses of two devices 25 1B NA 66051 E 6 PROGRAMMING FUNCTION OPERATION PROCEDURES 4 When the key is pressed during the operation of this function the execution proceeds to the monitor operation of X Y M L B and F Section 6 7 1 on page 6 42 5 For the set reset operation of offline switch refer to Section 6 8 3 on page 6 64 Operation example NOP Y ma M m Sw Y ae SFT CJ M Gy SW Y 01 2 M 5 0 2 m STP M SWHY O 2m SW Y 01 6 55 IB 66051 A 6 PROGRAMMING FUNCTION OPERATION PROCEDURES MELSEC A 6 8 Test Mode Test mode is used to perform the test operation for the program and to read any error steps and error descriptions when appropriate In test mode operation can be performed during CPU run or stop The basic operation in test mode is as described below OoOo Device pevce or device vive Read of error step and error STP 67 description at error time 6 56 66051 6 PROGRAMMING FUNCTION OPERA

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