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6.  COMMUNICATION TIME

MELSEC-A

6-1

6. COMMUNICATION TIME

6.1

Transmission Delay Time When There is One Master Station

An explanation of the transmission delay time when there is one master station is given in the
following diagram. The following diagram (Fig. 6.1) shows an example for when there are 3 slave
stations.

Time

TO instruction    FROM instruction

CPU module

Buffer memory 

A1SJ71PB92D

Internal buffer  

Slave1

Slave2

Slave3

Treq

(1) 

Tres

(1)

Treq

(2)

Tres

(2)

Treq

(3)

Tres

(3)

Max_Tsdr

(1)

Max_Tsdr

(2)

Max_Tsdr

(3)

Lr

Pt

(1)

Pt

(2)

Pt

(3)

Tsdi

(M)

Tsdi

(M)

Tsdi

(M)

MSI(Min Slave Interval)

Bc

AJ71PB92D/

A1SJ71PB92D

AJ71PB92D/

Fig. 6.1

The transmission delay time when there is one master station

Содержание A1SJ71PB92D

Страница 1: ...Mitsubishi Programmable Logic Controller PROFIBUS DP Interface Module Type AJ71PB92D A1SJ71PB92D User s Manual...

Страница 2: ......

Страница 3: ...When a communication error occurs in the PROFIBUS network the status of the faulty station is as follows Configure an interlock circuit in the sequence program using the communication status informat...

Страница 4: ...al power supply of the PLC system off before connecting the PROFIBUS cable Not doing so could cause failure or malfunctioning of the module z Be careful not to let foreign matter such as filings or wi...

Страница 5: ...n body Failure to do so can cause the module to fail or malfunction OPERATING PRECAUTIONS DANGER z Do not write data into the not usable of the buffer memory of special function modules Also do not ou...

Страница 6: ...5 1 Appendix 1 Addition Section 2 6 4 4 4 5 8 6 Jun 2003 IB NA 66773 E Correction SAFTY PRECAUTIONS Section 4 3 2 6 1 8 2 1 8 2 2 Addition Section 3 3 3 Appendix 2 Apr 2004 IB NA 66773 F Correction S...

Страница 7: ...em 2 5 3 SPECIFICATIONS 3 1 to 3 10 3 1 General Specification 3 1 3 2 Performance Specifications 3 2 3 3 Network Configuration 3 3 3 3 1 Basic configuration 3 3 3 3 2 Applicable configuration 3 4 3 3...

Страница 8: ...on Trouble Area and Expansion Communication Trouble Area Clear 8 4 8 4 Address Information Read 8 4 8 5 Global Control 8 5 8 6 While Run Operation Mode Changing 8 6 9 TROUBLESHOOTING 9 1 to 9 2 APPEND...

Страница 9: ...according to the chart below Related Manual Manual Name Article No MELSEC ProfiMap Configuration System for Open Networks Software Manual 65778 B Inquiries can be made to MITSUBISHI ELECTRIC EUROPE Fa...

Страница 10: ...Direct Data Link Mapper FDL PHY DDLM empty FMA1 2 MELSEC A Series PC Communication using a buffer memory Portion where master PCB is installed Layer 3 to 7 Layer 2 Datalink layer Layer 1 Physical lay...

Страница 11: ...in addition to the 9 6k 19 2k 93 75k 187 5k 500k and 1 5M bps supported by the AJ71PB92D A1SJ71PB92D These can be selected using a configurator 4 Station Nos from 0 to 125 can be set using the configu...

Страница 12: ...cable Extension base unit A1SJ71PB92D A1SC B A1S6 B S1 A1S5 B S1 A1SJHCPU 2 For the compact building block type CPU Compact building block type CPU Extension cable A1SC B Extension base unit Basic ba...

Страница 13: ...he AJ71PB92D A1SJ71PB92D Via RS 232C AJ71PB92D A1SJ71PB92D RS 232C Personal computer supporting Windows 3 1 or 95 MITSUBISHI ELECTRIC Corp MELSEC ProfiMap Ver 3 0 or later PROFIBUS network Point Refer...

Страница 14: ...1 S4 A2NCPUR21 A3NCPU A3NCPUP21 A3NCPUP21 S3 A3NCPUR21 A2ASCPU A2ASCPU S1 A2ASCPU S30 A2USHCPU S1 A2ACPU A2ACPUP21 A2ACPUP21 S3 A2ACPUR21 A2ACPU S1 A2ACPUP21 S1 A2ACPUP21 S4 A2ACPUR21 A3ACPU A3ACPUP21...

Страница 15: ...dule extension base unit A1S5 B S1 may not have sufficient power supply capacity so use the A1S6 B S1 when installing a AJ71PB92D A1SJ71PB92D in the extension base unit When the A1S5 B S1 must be inst...

Страница 16: ...ode to operate the module in normal service mode The following table gives the operating conditions conditions per one slave station for the time when the parameters preset for the extended service mo...

Страница 17: ...is valid or 3 seconds after completion of parameter write if parameter write from RS 232C is valid 5 Do not make simultaneous access to the AJ71PB92D A1SJ71PB92D from multiple ProfiMap s If such acce...

Страница 18: ...2 Anti shock Complies with JIS B3501 IEC61131 2 147m s2 3 times in the direction for each of X Y Z Usage environment No corrosive gas etc Usage altitude 2000m or less Installation location Inside the...

Страница 19: ...f occupied I O 32 points I O allocation special 32 points 5VDC Internal current consumption 0 54 A 0 56 A Noise durability dielectric withstand voltage insulation resistor Depending on the AJ71PB92D A...

Страница 20: ...can be connected for 1 segment Master slave repeaters 32 units 4 Communications can be conducted via a maximum of 3 repeaters from an arbitrary master or arbitrary slave to an arbitrary master or arbi...

Страница 21: ...Station No 2 Station No 31 A maximum of 32 stations can be connected to 1 segment 2 When 1 master class 1 station and 1 repeater are connected Master class 1 AJ71PB92D A1SJ71PB92D CPU module Configur...

Страница 22: ...Slave Station No 35 Slave Station No 36 Slave Station No 44 Slave Station No 45 Slave Station No 60 Slave Station No 1 Slave Station No 2 Slave Station No 18 Repeater Repeater Repeater In the above c...

Страница 23: ...No 86 Slave Station No 107 Slave Station No 108 Slave Station No 123 Slave Station No 14 Slave Station No 15 Slave Station No 18 Repeater Repeater Repeater 1st master class 1 2nd master class 1 3rd ma...

Страница 24: ...t could be turned off To prevent this the master PROFIBUS cable must be secured with a screw In addition there is a high possibility that the above phenomena can be avoided if care is taken with the f...

Страница 25: ...tion described in the GSD file of a slave station is greater than the value calculated by the above expression normal communication may not be made with that slave station If normal communication cann...

Страница 26: ...slave station setting screen of GX Configurator DP b Configuration data length The value differs depending on the slave station type as shown below 1 Module type slave station Sum of the number of Mod...

Страница 27: ...AJ71PB92D A1SJ71PB92D can be connected up to the following number of the slave stations When the parameter size is 520 bytes the number of the parameter block is five 5 5 n 128 n number of slaves n 24...

Страница 28: ...tput image PROFIBUS DP network Slave station 4 1 1 Exchange flow The I O data exchange flow with slave station is shown below The buffer memory refresh with the FROM TO instructions is conducted async...

Страница 29: ...he global control commands transmitted using multicast communication This makes is possible to select a slave and conduct global control Master PROFIBUS DP network Group 1 Group 5 The global control f...

Страница 30: ...age memory at the FREEZE service timing Service FREEZE issued within the same group 3 Group selection The number of groups is from 1 to 8 if with a total of 8 groups The slave can exist in arbitrary g...

Страница 31: ...4 Procedure for issuing a global service Sequence program A1SJ71PB92D Slave TO global control area Turn on the global control request signal Y04 Turn on the global control end signal X04 Time Global c...

Страница 32: ...2 Communication trouble area clear request signal X03 Not usable Y03 Communication trouble area type selection X04 Global control end signal Y04 Global control request signal X05 Global control error...

Страница 33: ...tion trouble detection signal X01 communication trouble detection signal reset Y01 a The communication trouble detection signal X01 is turned on when a communication trouble occurs At the same time th...

Страница 34: ...l control end signal X04 is turned on after service processing has ended when the global control request signal Y04 is turned on by the sequence program b The global control request signal Y04 is turn...

Страница 35: ...n the station enters the exchange start possible state after the AJ71PB92D A1SJ71PB92D has started up and the module READY signal X1D has turned on Only during the normal transmission mode b This turn...

Страница 36: ...ecuted 2084 824h Trouble no information time setting area Description This is used to set the time that does not inform the communication trouble after the exchange start 2085 2095 825h 82Fh Not usabl...

Страница 37: ...byte 1st station 1st byte 1st station 3rd byte 1st station 29th byte b15 b0 2nd station 2nd byte 2nd station 4th byte 2nd station 1st byte 2nd station 3rd byte 2nd station 30th byte 2nd station 32nd b...

Страница 38: ...h station input data 1st station 2nd byte 1st station 4th byte 1st station 1st byte 1st station 3rd byte 1st station 22nd byte 1st station 21st byte 1st station 23rd byte 0 0h 10 Ah 11 Bh 2nd station...

Страница 39: ...on In this area the data length in byte units for each station is assigned in variable length according to the parameter file set in the configurator software package The data length can be set in the...

Страница 40: ...039 7F7h Station address of 1st station 1st station input byte length 1st station output byte length Station address of n station n th station input byte length n th station output byte length Station...

Страница 41: ...ress 1st station 2nd input byte INPUT OUTPUT area 0 0h 1 1h 2 2h 959 3BFh 9600 3C0h 961 3C1h 1919 77Fh IN P U T OUTPUT 1st station1st input byte 3 3h 4 4h 5 5h 6 6h 1st station 3rd input byte 2nd stat...

Страница 42: ...rmation for either type can be cleared by turning on the communication trouble area clear request signal Y02 When the communication trouble detection signal reset signal Y01 is on the contents of the...

Страница 43: ...Detailed data 1 Number of slaves set in the parameter Detailed data 2 Number of active slaves set in the parameter This error occurs immediately after the power supply is turned on or the CPU is rese...

Страница 44: ...to communicate with the same slave so recheck the parameter Master 14 The parameter transmitted by the master is incorrect Check the parameter Slave 13 The response from the slave is incorrect Check...

Страница 45: ...code 0200h expansion trouble information trouble information bit 11 0 Latest data There is error code 0200h expansion trouble information trouble information bit 11 1 Data 10 Data 7 Data 6 Data 5 Dat...

Страница 46: ...not a module error has occurred is stored as bit information Channel related trouble information For module type slave station this stores the error information of all modules outputting an error 1 De...

Страница 47: ...s the identifier related trouble information in the header including the header 1 byte and the device related trouble information for this area Buffer memory 2nd byte 4th byte 3rd byte Header 1st byte...

Страница 48: ...te identifier No 2 3rd byte trouble type 1 6th byte trouble type 2 1st byte Identifier No Bit position Identifier Nos 0 to 63 bits 6 and 7 are set to 10 MSB LSB 7 6 5 4 3 2 1 0 2nd byte Channel No Bit...

Страница 49: ...t is attached from the header of each slave module Each module can have multiple channels Refer to the each slave specifications regarding to the channel numbering method Slave PROFIBUS DP network 16...

Страница 50: ...have trouble information Channel Identifier No 0 and channel No slot 1 correspond channel type byte error overload Slave PROFIBUS DP network 16 point DI byte 2 channels 32 point DO byte 4 channels 32...

Страница 51: ...Slave trouble information bit Description 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Controlled by another master The parameter sent by the master is incorrect The response from the slave is incorrect The...

Страница 52: ...n all bits 8 to 15 are 0 global control commands are sent to all the slaves 5 1 0 SYNC The actual output data is written and held 4 1 0 UNSYNC The actual output data hold is canceled 3 1 0 FREEZE The...

Страница 53: ...e configuration b0 b0 b0 b15 b15 b15 b0 b15 b0 b15 1st station to 16th station 2112 2115 2114 2113 2116 Address 17th station to 32th station 33th station to 48th station 49th station to 60th station C...

Страница 54: ...ored in the master station The start address is set in 1 word units for both input and output The data range is from 0 to 1919 0 to 77Fh The start addresses are stored in the INPUT area starting from...

Страница 55: ...service mode which was temporarily selected from the CPU module 0100h The module started up in the normal service mode which was registered on E 2 PROM 0101h The module started up in the parameter se...

Страница 56: ...e mode preset on E 2 PROM is cleared and the operation mode is changed to the mode of the mode setting switch If the mode setting switch setting is 0 1 or E and the operation mode is preset on E 2 PRO...

Страница 57: ...mode or E extended service mode at a system startup However when the mode setting switch is preset to 2 self diagnosis mode the AJ71PB92D A1SJ71PB92D operates in the self diagnosis mode Change the op...

Страница 58: ...nfiguration Software When the AJ71PB92D A1SJ71PB92D and MELSEC ProfiMap Ver 3 0 or later are used together MELSEC ProfiMap enables remote parameter setting via the RS 422 RS 232 connector of the CPU m...

Страница 59: ...nds and then turns off 3 While the FAULT LED is off within four seconds set the mode setting switch to F If the mode setting switch position is not changed within four seconds after the FAULT LED has...

Страница 60: ...is result and consult your local Mitsubishi representative Set the mode setting switch of the AJ71PB92D A1SJ71PB92D to 1 Parameter setting mode Reset the CPU module Set the parameters using the config...

Страница 61: ...lable editor DDB file text Write RS232C Max ST delay resp Max Tsdr Quiet Time Tqui Setup Time Tset in the parameter to be set by the configurator ProfiMap must be match the maximum value connected to...

Страница 62: ...ng injury and or fire z Insert the tabs at the bottom of the module into the mounting holes in the base unit before installing the module The AnS series module shall be fastened by screws in the base...

Страница 63: ...2D status Name Display description RUN Displays the AJ71PB92D A1SJ71PB92D operation status ON During normal operation OFF When there is an error SD RD Flashing during communication with the slave stat...

Страница 64: ...ter setting 1 d PROFIBUS interface connector Connector for connecting the table for the PROFIBUS DP network 2 e PROFIBUS network terminal resistance setting switch 3 This sets whether or not there is...

Страница 65: ...n internal diagnosis the LED display corresponds to the B0 to B6 statuses and the test responses being conducted are shown below Meaning B6 B5 B4 B3 B2 B1 B0 TEST a MPU test During test z z z Error z...

Страница 66: ...TxD N 1 3 8 Remark To apply to the EMC standard Read the Section for the Installation in the A1S A2SCPU User s Manual Hardware after the IB 66468 E Please use the PROFIBUS cable with braided shield 5...

Страница 67: ...not route the wire of AJ71PB92D A1SJ71PB92D close to or bundle it together with the main circuit and high tension lines or the load carrying lines from other than the PLC Otherwise the module may be s...

Страница 68: ...ing because of abnormal voltage applied to the FG terminal the module may be used without grounding 4 When the AJ71PB92D A1SJ71PB92D s BUS TERMINATION SWITCH is set to on has terminal resistor do not...

Страница 69: ...all phases of the external power supply off before cleaning Not doing so could cause failure or malfunction of the module CAUTION z Never disassemble or modify the module This may cause breakdowns ma...

Страница 70: ...following diagram Fig 6 1 shows an example for when there are 3 slave stations Time TO instruction FROM instruction CPU module Buffer memory A1SJ71PB92D Internal buffer Slave1 Slave2 Slave3 Treq 1 Tr...

Страница 71: ...106 0 667 s 12Mbps 1 TBit 1 12 106 0 083 s 3 Tres i s Response transmission time of No 1 station Number of bytes input from No i station 9 11 bit transmission speed bps c Tsdi M s Request response pro...

Страница 72: ...4 9 11 1 5 10 6 0 095 10 3 Response time TBit of No i station 150 150 150 2 Max_Tsdr i s 150 1 5 10 6 0 1 10 3 150 1 5 10 6 0 1 10 3 150 1 5 10 6 0 1 10 3 3 Tres i s 0 9 11 1 5 10 6 0 066 10 3 2 9 11...

Страница 73: ...6 COMMUNICATION TIME MELSEC A 6 4 Bc s Max MSI Pt i Tsdi M Lr From To_time i 1 3 Max 2 0 10 3 8 87 10 3 8 87 10 3 s...

Страница 74: ...llowing diagram Fig 6 2 are the bus cycle times of the master station 1 and master station 2 respectively and their transmission delay time is calculated using the formula presented in Section 6 1 Mas...

Страница 75: ...TION Model_Name A1SJ71PB92D Revision AA Ident_Number 0xF036 Protocol_Ident 0 Station_Type 1 FMS_supp 0 Hardware_Release A Software_Release A 9 6_supp 1 19 2_supp 1 93 75_supp 1 187 5_supp 1 500_supp 1...

Страница 76: ...i_19 2 0 Tqui_93 75 0 Tqui_187 5 0 Tqui_500 0 Tqui_1 5M 0 Tqui_3M 3 Tqui_6M 6 Tqui_12M 9 Tset_9 6 1 Tset_19 2 1 Tset_93 75 1 Tset_187 5 1 Tset_500 1 Tset_1 5M 1 Tset_3M 4 Tset_6M 8 Tset_12M 16 LAS_Len...

Страница 77: ...r to the actual system fully check that there are no problems in the controllability of the system 8 1 Initial Program Communication READY X1B Malule READY X1D Exchange start end X00 Y00 M9038 Turns o...

Страница 78: ...a write Communication trouble detection Trouble detection signal reset instruction RST reset instruction X00 Y00 TOP H0 K960 K4Y100 K5 Y00 X00 Exchange start end X00 X0D READY X1D Communication READY...

Страница 79: ...timer error 1 MOV D0 Z0 FROMP H0 K2188 D1 K1 TOP H0 K0Z1 K4Y100 K5 MOV D1 Z1 Trouble information read Communication trouble detection signal reset Y100 Input start address offset for 1st station Outp...

Страница 80: ...lear end X02 Communication trouble area and expansion communication trouble area clear RST Communication trouble area clear instruction SET Y02 RST Y02 8 4 Address Information Read Example When readin...

Страница 81: ...9 X0D Communication READY X1B Module READY X1D X0D Communication READY X1B Module READY X1D Exchanging X00 Exchange start Y00 Global control request instruction Global control request instruction X04...

Страница 82: ...2 PROM to the operation mode change request area of the buffer memory Exchange start request signal Y00 Execution condition Operation mode change completion signal X11 Operation mode change request s...

Страница 83: ...arameter and actual slave station do not match Check the parameter Flash Normal SD RD Off Abnormal in mode 0 or E No exchange Check the exchange start request signal Y00 On Normal Flash Normal Multi m...

Страница 84: ...n identified A communication trouble identified Refer to the communication trouble information of the buffer memory The parameter meaning no active slave stations exist was written and Y0 was turned o...

Страница 85: ...rsion E or later uses the extended service mode the new setting position No E was added to the MODE setting switch If the MODE setting switch on the A1SJ71PB92D of the software version D or earlier is...

Страница 86: ...ted Not usable Address 2255 Operation mode change request area Set the required operation mode Not usable Address 2256 Operation mode change result area The operation mode change request result is ind...

Страница 87: ...2 A 1S J71PB92D Parameter creation software package Siemens COM ET 200 Parameter write software package SW0IX DPLDPE MELSEC ProfiMap MELSEC ProfiMap2 0 MELSEC ProfiMap3 0 GX Configurator DP Version 4...

Страница 88: ...e Indicates the A 1S J71PB92D s station number In self diagnosis mode Indicates the self diagnosis status TEST No LEDs In self diagnosis mode On In other modes Off 6 The 5VDC internal current consumpt...

Страница 89: ...station As compared to the AJ71PB92 the global control communication function has been added to the A 1S J71PB92D c Transmission specifications The A 1S J71PB92D differs in some transmission specifica...

Страница 90: ...77Fh Modification Output area In the A 1S J71PB92D the layout of the output areas of the slave stations changes depending on the sent data length in the extended service mode only In the normal servic...

Страница 91: ...power supply COM2t is not supplied Always set to 00h 2 AJ95TB32 16DT AJ95TB32 16DT notifies device related trouble information to the master The information consists of seven bytes including the head...

Страница 92: ...4 17 250 9 84 Unit mm inch a c d e b AJ71PB92D RUN SD RD TOKEN READY FROM TO PRM SET RSP ERR FAULT TEST B6 B5 B4 B3 B2 B1 B0 S T N O 0 ONLINE 1 1 PRM SET 2 TEST E ONLINE 2 BUS TERMINATION RS 232 C PRO...

Страница 93: ...130 5 12 Unit mm inch 0 F E D C B A 9 8 7 6 543 2 1 MODE 0 ONLINE 1 1 PRM SET 2 TEST RS 232 C PROFIBUS I F BUS TERMINATION OFF ON A1SJ71PB92D A1SJ71PB92D RUN SD RD TOKEN READY FROM TO PRM SET FAULT T...

Страница 94: ...APPENDIX MELSEC A A 10 MEMO...

Страница 95: ...by the user 2 Onerous repair term after discontinuation of production 1 Mitsubishi shall accept onerous product repairs for seven 7 years after production of the product is discontinued Discontinuatio...

Страница 96: ...ows NT are registered trademarks of Microsoft Corporation in the United States and other countries Other company names and product names used in this document are trademarks or registered trademarks o...

Страница 97: ......

Страница 98: ...MEE Specifications subject to change without notice When exported from Japan this manual does not require application to the Ministry of Economy Trade and Industry for service transaction permission...

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