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NX Remote I/O

1. 1 iE PaaS C pierden Toe NA hes o E ges NEC CERE FERRER p ak 4 N700 PLC Setting Set the communication baud rate for connecting programming tools Handy Loader WinFPST S W to N700 slave unit RS232 422 connector N700 Slave unit operation mode setting switch 232 m Handy Loader connection CPL5119 m WinFPST S W Computer connection OFF ON connected Do not connect more than 2 tools at the same time Busy Error occurs Even in the case of communication error remote programming for normally connected slave systems is available Troubleshooting This chapter gives guidelines on error identification and troubleshooting measures during Remote System use Identifying Error Causes Follow the steps below to identify the cause of errors and address problems LED Status Checking Check the status of ALARM and COM LEDs of master slave and I O Link units ALARM On An error has occurred on the unit Replace Check the transmission path and locations and take troubleshooting steps Identify the cause and take troubleshooting steps Slow flickering Communication error Broken cables or power 1sec interval OFF on
2. Operation Mode Switch External Power 24 DVC 24V Input Terminal INPUT A N SN 2 2 2 27 RS 485 Interface C Product size corresponds to NX70 PLC standard Particularly 9 types of I O units are the same size as NX70 I O unit External Diagram and Functions SLAVE UNIT Operation Status Display COMM O ALARM gt Light on Q Fast flickering 0 2sec interval Slow flickering 1 0sec interval Light off Communication and operation status On Stand by COMM Communica tion Status Fast flickering Transmitting in normal operation Off Transmission error On Unit malfunction ALARM Error gt v Slow flickering Transmitting in stop mode gt 9 Fast flickering Slave Station No Configuration error Restricted unit mounting error Off Normal 3 Link module has a separate POWER LED which turns on when external 24V DC input is in normal status Q Station No Setting switch Rotary switch the tens colum
3. The bit corresponding to Station No of slave system when error is setto 1 Ex When DT90131 0101 see Step 2 example above DT90133 is 2H an error occurs at Master Network 2 Station No 18 2 00000000 00000010 Bit 1 No 18 1 Check the error location Identifying the slave system where instantaneous power failure has occurred Set 01H in the upper 8 bits of DT90131 to identify the slave system where instantaneous power failure has occurred In that case it is as follows Special data register DT90134 to DT90135 15 14 13 12 10 9 8 7 6 5 4 3 2 1 0 bit 0790134 16 15 14 13 12 20 10 9 8 7 6 5 4 3 211 Station No DT90135 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 The bit corresponding to Station No of slave system with error is set to 1 Ex When DT90131 0101H see Step 2 example above and DT90134 is 2H an error occurs at Master Network 2 Station No 2 2 00000000 00000010 Bit 1 No 2 1 Troubleshooting methods for Remote I O System Troubleshooting Flowchart Main Flowchart NO p Correct the mounting Is the power unit correctly mounted on the backplane YES Refer to Troubleshooting of _ _ 700 NX700 PLC System Manual Is CPU unit ALARM LED ON Is maste
4. OG 150mm 0000000 0000000 SS eee 2 NX700 PLC Unit NX700 PLC MASTER UNIT NX MASTER a om j UUUUUUUUUUU 115 5mm dh DANAANANANN ja NX700 PLC SLAVE UNIT NX SLAVE 104mm NX70 PLC Unit NX70 PLC SLAVE UNIT NX70 SLAVE 88mm 35mm E PEEL MN d UUUUUUUUU IE COM 105mm mi a 9 nnnnnnnn o o EJ T Link Unit 88mm 70 5mm 2E ter cR a UU UUU
5. System Register No 28 Operation on malfunction of units connected to slave systems Setting switch NX 700 SW3 Master Unit N700 SW7 Remote I O Control on Communication Errors Retentive output or non retentive output OFF on Slave unit Setting switch SW3 are communication errors low flickerin Station No 1 Operation on Communication Errors Communication error means communication between master and slave units fails due to power off of slave systems or broken transmission cables f error occurs Remote I O communication error Self diagnosed error code 46 is indicated Slave systems unreachable can be verified with special data register DT90131 to DT90137 See Identifying the slave system where error has occurred in Chapter 7 SW3 ON SW3 OFF Retentive output Output OFF 4 Slow Power OFF Station No 2 Station No 3 Station No 4 On the slave system described above communication is not available for Station No 2 to No 4 Normal Operation of Slave Systems In the case of communication error 4 operation types are available for normal slave systems I O operation _ X COM stops 1 0 OFF X changing Restart of Master unit I O operation _ X not aru stops 2 0 ON X changing Initialize Remote I O operation stops 1 Restart of Master unit changing alone I O operation ba Au
6. SSTP 2 X641 651 R9015 R2 X64 Y651 R3 Read data with shared memory R2 Process 1 53 RMRD DTO K251 5 DT200 F152 execution Read 15 words of data from shared memory address 251 and store it from CPU unit R2 R101 Program for R101 facilitating DT200 HandShake R101 R3 R9035 Y651 execution Y651 9035 HA MM NNSTP 3 SSTP 3 Execution condition establishment standby R9035 R9015 640 step of the following shared memory access D F J 4NSTP 0 instruction STTE ED R9015in the above example is a special relay that turns only 1 scan ON with 1 process start up n the program example above R9010 special relay always ON is used for initial setting condition Remote Programming For N700 PLC only By remote programming function program or register setting on CPU unit of remote master system using programming tool for N700 PLC slave unit CPL7741 Such operations are called Remote Programming Remote program is executed in the same way as programming tool on the CPU unit Remote programming function is only available on N700 PLC slave unit CPL 7741 When using remote programming connect programming tool to slavRS232 422 connector Program becomes available on connection Slave Unit CPU Unit g o eel pao mae F 9 Xo DHSS Rese Bi
7. This functions is used for Remote Programming and sets communication specifications when connecting to programming tools such as Handy Loader and WinFPST S W computer It corresponds to N700 PLC SWA Setting is not needed when not using remote programming function B RS422 Mode RS232 Mode Step Turn on the PLC Power Turn on the PLC power when master and slave unit installation transmission wiring Station No setting and end stations setting are finished Remote I O control and operation check are available after power input Power Input Remote I O Control Check Basic steps for starting Remote I O System Turn on the power of all slave systems controlled by Remote I O System Turn the power of master system where the master unit is mounted Check Set CPU unit of master system to RUN mode Atthis point Remote I O control starts over all slave units turned on Basic steps are described as above but steps after startup can be different depending on the configuration Remote I O Allocation map Registration Slave Connection Check Mode e If there is any slave system that is registered to Remote I O Map but has no power input operation does not start until power comes into the slave system even if master system is set ON and in RUN mode CPU unit PROG LED flickers during check e That is control starts only after turning on the
8. aa 103 Precautions for Remote IJO 105 External Dimensions 106 Nuy00 PECU TIE Leiterin ttr ATE the EE He eterne tolerat 106 NX700 PEC Unit iacet Rete rere a ee idee en enn 107 NXJ70 BEG Units us iet ere tec tetro c f eer nh ne tee 108 fied ETAGE 108 Safety Instructions Please read this manual and the related documentation thoroughly and familiarize yourself with product information safety instructions and other directions before installing operating performing inspections and preventive maintenance Make sure to follow the directions correctly to ensure normal operation of the product and your Safety ATTENTION A If this product is used in a situation that may cause personal injury and or significant product damage implement safety measures such as use of fault safe equipment Do not use this product under any conditions exposed to explosive gases It may cause an explosion Please fasten cables with terminal bolts Do not use the product under conditions that do not meet correct environmental standards Make sure you connect grounding cables Do not touch terminals when electric current is flowing NX Series Remote I O System Master Unit Slave Unit Installation Environment ATTENTION AN i ATTENTION ATTENTION ATTENTION A Make sure to turn off the power when mounting or removing Remote I O Syste
9. 1 Read data to receive from CH 1 and save it to CPU unit DT200 to DT214 3 Advanced unit with N MASTER NX SLAVE shared memory SCU Statiog No 1 Master System SLAVE system Sending data RS232C X640 X64F Y650 X65F Twisted Pair Cable some precautions for programming the operations above 1 When executing shared memory access instruction make sure that R9035 execution permission flag is ON 2 When programming for reading writing SCU data on Remote System Slave take into account the operation status of shared memory access instructions F152 and F153 and communication status as well as the ON OFF timing of X and Y contacts Ex Program for facilitating HandShake program operation Using F152 and F153 Advanced Instructions Actual access transmission starts on execution of END instruction When HandShake program Y contact ON of the moment when transmission data is completely stored is written after shared memory access instruction access instruction and Y contact 0 is executed at the same time In that case Y contact turns ON even if access is not completed and the communication to SCU unit on slave system cannot be properly established In that case write program to make sure the Y contact turns ON after the access is finished R9035 is ON 3 Right before executing the shared memory access below insert the following Shared Memory Access Instruction Execution Condition E
10. TR x 2 t 0 7 0 17 x WRM ms Remote IJO SCAN Time WRM amp Number of Memory ACCESS words Example 1 When 51 0 Link units input 32 points output 32 points and 1 slave syste NX700 2 units with input 32 points 2 units with output 32 points and special unit 32 points are connected and 32 word memory access is requested to the special unit 0 840 85x5 4055x1 40 13 x 8 2 x 2 6 14 16 22 54 msec 2 0 7 0 1532 Remote I O Response Time Tres Remote I O response time is the period from the moment when input signal to slave system is transmitted to CPU unit via master system to the moment when the output signal from operation is transmitted to slave system and actually sent out Tres Tires Tores Tres Remote I O response time Tires Remote I O input response time Tones Remote I O output response time Tc CPU unit SCAN Time The maximum Remote I O response time can be calculated as follows TRES MAX TiREs MAx ToRES MAX 5 TR Ta Tores MAX TR 2 Tin Input delay time Tr Remote I O SCAN Time Ta In synchronization mode 1 Tc lt Tr Ta Tr 2 Tc gt Tr Ta In no synchronization mode 1 lt Ta Tc Tr 2 Tc gt Tr To Tc See Remote 1 0 Refresh Timing in Chapter 5 for details on synchronization no synchronization modes CPU SCAN TIME CP
11. 9 0 6 9 6 9 2 0 6 0 6 9 Master Network 4 Master Network 3 If an error occurs to bits corresponding to the errors are assigned to 1 Ex If DT90137 is an end station error has occurred on MASTER Network3 8H 00000000 00000000 bit 3 8 1 1 _ Remote uo communication erent selection power OFF slave or broken Thereis an unreachable slave ae 2 transmission cable station Transmission error 1 Selection Check for broken transmission paths or incorrect n A There is a transmission error 2 settings of Station No Prohibited unit is mounted on slave Stop Remove the prohibited unit system ct Error on Remote I O end station settings Re Remote end station error Transmission configure settings correctly Teter Stop Do not exceed the limit Max 64 slots exceeded the range Total I O points for 1 master unit Sto Do not exceed the limit Max 1 024 points exceeded the range P Max 4 096 points for N700a NX CPU 750C D 4 power TANGE On Slave Transmission Check the power supply Unit malfunction on slave system Selection Verify error broken fuse or excessive load on 1 2 special unit Check the I O status 1 The range of possible error slave statio
12. CPU unit System register No 28 1 Operation continue mode CPU unit System register No 27 1 Operation continue mode Master unit setting switch SW3 SW7 for N700 ON operation continue mode Operation Description O operations on slave and master system continue O operations on normal I O and advanced units continue even if the slave system has malfunctioned units Troubleshooting System automatically recovers when the power is reconnected to the slave system after the malfunctioned unit is replaced with normal one ERROR LED of CPU unit is turned on so turn on the Initialize switch on CPU unit in RUN mode to turn off the light ATTENTION AN The operation mode on errors can be set as a combination of system register settings and operation mode setting switch as shown in the example below Ex When communication error occurs stop only the Remote I O control But when the output on unreachable slave system is ON the control continues Operation also continues when error occurs on units on slave system Settings System register No 27 1 System register No 28 1 Master unit operation mode setting switch SW3 SW7 for N700 OFF Slave unit setting switch SW3 ON Slave Station Connection Check Mode Set to slave station connection checking mode on the start up of Remote I O System power input to master system Operation starts after all slave systems registered on Remote I O Map
13. NX700 CPU750C CPU 750D units enable 4 096 points All in one Type I O Link Series Slave Unit For small sized equipment with I O control 16 points 32 points and mixed I O Link are provided Narrow place set up and low cost precise I O installations which were not supported by conventional Remote 1 O Slave are enabled Remote I O System Pointer e Remote I O system provides control over distributed I O with twisted pair cable e Upto4 wiring paths are provided enabling support for complicated slave system layout e Recommended for networks that require remote control box or distributed I O units For high speed processing expansion backplane is recommended Remote I O System Specifications General Specification Item Specifications Operating to 55 C Temperature Storage 25 to 70 C Operating 30 to 8596 RH Non condensing Humidity Storage 30 to 85 RH Non condensing 1500V AC for 1 minute between I O terminal ac and frame ground power unit Withstand voltage 500V AC for 1 minute between I O terminal dc and frame ground power unit 100 or more at 500 mega V DC between 1 0 terminal and frame ground Isolation resistance 1 power unit Vibration immunity 10 to 55 Hz 1 cycle minute double amplitude of 0 75mm 10 minutes on 3 axis X Y Z Shock immunity Peak acceleration and duration 15g 11 ms 3 times in each X Y Z direction Noise i
14. Display Status Display 00 Station N Station No Setting switch iO 4 Station No Setting switch G Operation Lm Mode Switch IT TTIT IT III mE 4 RS 485 Interface 5 RS 485 Interface Bottom Front Front Operation Mode Switch N700 PLC SLAVE UNIT CPL741 COMM 0 Operation Status Display ALARM 0 A mod Station No Setting switch L 63 MODE SW 4 Operation Mode Switch RS422 232C Compatible Communication Port 4 RS 485 Interface Link SLAVE UNIT 32 points type Operation Status E Display 00 se Q Station No Setting gt Jo NX70 X32D switch Statio NO comm L of 4 Operation Mode Switch MODE SW External Power 24V Input Terminal RS 485 Interface eo eb Operation Status Display Q Station No Setting switch
15. Flowchart when COM LED is ON C COM LED is OFF Is ALARM LED flickering Station No Setting error or prohibited unit mounting error Configure Remote I O M ap correctly and restart Are there more than 5 master units connected to 1 CPU YES Do not use more than 4 master units with 1 CPU Contact us 3 Flowchart when slave system is not operating normally YES NO YES NO YES SW7 700 3 1 Flowchart when COM LED COM LED is OFF Is transmission cable connected correctly Isn t Station No duplicated Is the slave unit registered Are end station settings correct Contact us is OFF Connect the transmission cables correctly and restart the Remote System Configure the Station No correctly and restart the Remote System Register Configure the end station setting correctly and restart the Remote System 3 2 Flowchart when COM LED is ON COM LED is ON 4 COM LED is OFF Is ALARM LED flickering Is transmission cable connected correctly Are master unit port settings correct NO Is Remote I O M ap registered YES Regisger mode Station No Setting error Configure end station settings correctly and restart Connect the transmission cables correctly and re
16. MV H0105 Fo HO F152 0 K10 DT10 Control data settings are as follows 0105 Master No 1 Slave No 5 DT1 H 0 Slot 0 Precautions for Programming Multiple RM RD instructions F152 or RMWT instructions F153 cannot be executed at the same time Write program to be executed when execution permission flag R9035 is ON 0 Not executable RM RD RM WT instruction is running 1 Executable RMRD instruction performs receiving request only but the actual processing starts after ED instruction runs Check if execution is completed using RMRD RMWT instruction completion flag R9036 0 Normal completion 1 Termination Error code on DT90036 On termination R9036 ON error specifications are stored into the error code Lists of Error codes stored in DT90036 Time Out 5B No correspondent Unable to send No access area 68 Assigned memory area or address does not exist 71 Time out with sending answer standby 72 Time out with empty sending buffer standby 73 Time out with response standby Error codes H71 to H73 indicate communication time error Time out can be configured in the range of 10 0ms to 81 9s unit 10ms at the system register No 32 settings Default is 2s F153 RMWT Write data to advanced unit on Slave system Write CUP unit data to shared memory of advanced unit installed on remote sla
17. Power supply for I O Link unit operation Connect DC 24V power supply from outside Connection Method Remote I O System Connection Procedure This chapter describes the connection setting method when configuring new Remote I O system Connection setting should match with the connection pattern or operation Here are some precautions for configuring new system Connection pattern Look at the next page 1 0 allocation of remote system See Chapter 4 Troubleshooting See Operation Mode Change System Register Setting in Chapter 5 e Remote I O refresh timing See Remote I O Refresh Timing in Chapter 5 Connection Setting Procedure See Connection Setting Procedure in Chapter 3 for details Turn off power of all devices Y Install devices like master unit slave unit and I O link unit and configure Change or register I O allocation mode systems of each station Remotel O Map I O Allocation Note 1 Select operation mode on errors Change I O Refresh timing Set up transmission wiring If no registration or modification is made fi factory default settings will apply Configure each station according to Remote I O Map I O Allocation connection pattern gt Base word No Select transmission path to use gt Current value mode Slave Station No Select operation mode on errors gt Stop CPU unit Is that End station or not P E Ch
18. R9010 Control data setting advanced unit assignment DTO 101H lro H101 DT1 O1H FO MTV H 1 071 X1 R9035 IH 5 5 57 0 po M emory access start condition SSTP 0 Write data to shared memory Process 0 F153 execution F 153 RM WT DT100 K15 500 Write 15 words of data from DT100 to shared memory address 500 R9035 R9035 To process 1 at ON F153 execution NSTP 1 completed SSTP 1 Read data from shared memory Process 1 R9015 R9015 F152 execution F152 H500 15 DT200 Read 15 words of data from shared memory address 500 and store it from DT200 of CPU NSTP 2 unit NSTP 2 R9035 To process 2 at ON F152 execution completed Fan inthe program example above R9015 serves as a special relay that turns ON only 1 scan of operation start from SSTP instruction n the program example above R9010 special relay always ON is used for initial setting condition Ex 2 Memory Access with HandShake In this example self loop communication is performed using RS 232C CH 1 of SCU unit on the slave system SCU performs HandShake using X contact and Y contact while sending or receiving Refer to SCU Unit Manual for details on SCU unit usage such as transmission data setting Send the data in CPU unit DT100 to DT114 15 words to SCU unit CH 1 on the slave system Data received at CH 1 is again received at the same
19. degrade PCB circuit board Allocation for Remote I O System Use Unit type setting for slave system when using Remote I O System Remote I O Map registered in can be read in on line monitoring mode NX700 N700 PLC CPU units can be used with Remote I O System But NX700 PLC NX CPU700 and NX CPU700p models cannot be used with Remote I O System Please activate programs top front display to be allocated for Remote I O For Remote I O allocation select Option gt Remote I O Setting from the Menu bar OFFLINE CIDE O tH Bt CUE Coe 2 COS C OAE 4 Ag 824 ea 112 Mole 120 BAS F if PLC amp 2 R Sa SS we o aosi wer o waj v waj 41 ONLINE DEAE 1 2 C OFAE 4 HIOA 64 Hol 96 0 112 uio 120 DIAS DIA 2221 o 2 3 4 gami we of TT v CCE CT 212 of p T T gan aan eie 4 Reference Manuals System Manual Included the N700 NX 700 CPU product package box Programming Manual For NX70 CPU70 NX700 CPU700 N70 N700 PLC Included in NX70 PLC NX70 CPU70 NX700 PLC NX CPU700 N70 PLC CPL9211A N700 PLC CPL7211A product package box Programming Manual For NX70 CPU750 N700a N70
20. directly connected as slaves to Solenoid valve CKD Inc system M4LB20 T66 units Serial transmission type Multi point valve control is Cognei Serial transmission enabled by reduced wiring Manufacturing system FIT MS Co Inc Manifold Solenoid valve Remote I O System Configuration Remote I O System is a RS 485 type multi drop network that consists of Master system CPU Unit Master Unit and Slave system Slave Unit 1 O Unit or I O Link Unit along with transmission cables twisted pair that connect each station Master unit transmits I O data of CPU unit to slave system Different types of slave units stations can be connected together in the network station connected by master unit For example on NX700 or N700 master network NX700 slave units NX70 and N700 slave units and I O Link local can be connected Master unit occupies 16 1 0 points But if the WinFPST S W setting is random allocation it can be registered as OSE Remote I O System Configuration Simple wiring with RS 485 twisted pair cable Link Slave Unit MASTER Master System SLAVE Slave System NX MASTER slave stations can be connected to one master N70 Series NX70 Series Le Slave Unit SMC Inc N700 Series NX700 Series Link I O Link Slave Unit Slave Unit Preparing Components Prepare each component product for Remote I O system
21. slave units has occurred on other station COM There is an transmission error on cables or end Off station settings that blocks the communication between slave and master units Identifying Errors Error causes can be identified with CPU unit self diagnosis Error specifications are also stored in special registers DT90136 and 0790137 079136 and 079137 on N700 See Self diagnosed Errors Related to Remote System in Chapter 7 and Remote I O Error Code DT90136 DT90137 in Chapter 7 for details Identifying Transmission Paths Master Network1 to Master Network4 Where Error Has Occurred Identify the transmission path where the error has occurred Errors can be also identified with special data registers DT90136 and DT90137 or special internal relays R9058 to R905B See Remote I O Error Code 0790136 DT90137 in Chapter 7 and Identifying the Slave System Where Error Has Occurred DT90131 to DT90135 in Chapter 7 for details Identifying the Station No of Slave System Where Error Has Occurred Identify the slave system location where error has occurred Errors can also be identified with special data registers DT90131 to DT90135 See Identifying the Slave System Where Error Has Occurred DT90131 to DT90135 in Chapter 7 for details Self diagnosed Errors Related to Remote System When error has occurred on Remote I O System it can be identified with CPU unit self diagnosis Identificati
22. 0H NX700 PLC Included in NX70 PLC NX70 CPU 750 N700H PLC CPL6215A NX700 CPU unit CPU 750A CPU750B CPU750C CPU 750D product package box 1 System Configuration and Specifications Remote I O System Features I O signals can be transmitted via twisted pair cable to the remote control system For one master unit two wiring systems 4 for N700 are enabled improving efficient management of distributed I O devices In addition 32 slave units can be connected to one master unit Master Unit Slave Unit E NX70 E TU E NX70 SLAVE NX700 NX MASTER CPL9741 Slave Unit for N70 must be mounted on the N70 backplane VO LINK Unit A Y N700 P N700 7 CPL7740 CPL7741 Features Remote Control of I O Data with 2 Wiring System For convenient wiring one master unit supports up to two transmission paths 4 for N700 In addition up to 4 master units can be mounted to 1 CPU enabling 8 I O control systems on 1 CPU Therefore easy configuration and wiring path design have been enabled High speed Long distance Transmission Transmission speed of 0 5 Mbps and total 700m of transmission distance is supported Twisted pair cable is allowed for wiring which helps save costs Up to 1 024 Points I O Control per One Master Unit Maximum 32 local stations slave and I O Link unit can be connected to one master unit providing control over up to 1 024 I O points For N700a
23. 23F Base word No 120 w A UN J8MOd Sjuiodee Sjuiodor Sjuiodee O I Sjutod9r Allocation Example II Below is an example of 1 Master Network showing the Remote I O allocation of Master Network1 Master system I O allocation can be modified with WinFPST S N Master unit setting can also be changed from 16 points occupied gt to 0 point occupied OSE Empty slots can be set as 0 point occupied Changes I O allocation of master units do not affect the I O allocation of slave units at all NX 700 PLC system configuration example is as illustrated below Master System Slave System Fors siots 0 1 2 3 Station No2 9 6 6 6 6 6 3 3 33 5 8145 13 tan ce kat 5 8 6 6 58 8 3 2 32 53 3 3 54 4 a 9 8 1a FB 720 74F Expansion cable Empty slots or not existing slots are automatically allocated with 16 points when using 5 slots on connection WinFPST SAV can force 0 point allocation to those slots Link Unit Station No 1 J9MOd squiod ZE squlod ZE O I squlod ZE O I squlod ZE O I squlod ZE O I X640 to X65F Link Unit Station No 3 X850 to X85F Link Unit Station No 4 o c 88 Y860 to Y87F Current Value I O Map and Registered Value I
24. Map is already registered See Slave Station Connection Check M ode in Chapter 5 e See Remote System I O Allocation Map in Chapter 4 for details on I O number allocation Remote I O No Allocation Remote I O Allocation Map Non Registration Current Value I O MAP If the system starts up as described on the previous pages the I O numbers in Current Value IJO Map Automatic Mode are allocated as follows Refer to System Configuration in Preparation Master System Mounting Master unit 79 5 c 3 0 10 Y20 Y2F Slave unit VO Link units 2 units Bp I I N 30 o tO c 5 ro i a ae i 5 Station Station Station G No 1 No 3 No 4 X640 650 X660 we n J X69F Y70F X64F Y65F X67F Write ladder program for CPU unit of master system or start forced I O and turn ON and OFF the I O numbers of each station for operation check IJO number of slave unit on Master Network1 starts at 640 Master Network1 Base Word No 64 Remote I O Allocation Map Registration Registered Value I O MAP Remote I O System I O number allocation is registered and used in CPU unit This method is generally used I O Map is saved permanently once it is registered Remote I O Allocation Map Registration Current Value Registration Mode Even slave systems without power can be controller with registered numbers Th
25. O Map Remote I O Map is the slave system I O number allocation input to CPU unit on system start up Remote I O control starts according to the allocation I O Map Control by Current Value I O Map Auto mode Operating with I O Map that is automatically allocated to running slave system on power input to CPU unit of master system Control by Registered Value I O Map Registration Mode Operating by I O Map that is pre registered to master system CPU unit There are 3 ways of Remote I O Map registration as follows Auto Mode Q Current value registration Mode registration Mode When actually running devices it is recommended to use 2 Current value registration Mode in usual cases among these Registered value I O Maps Control by Current Value I O Map Auto Mode When Remote I O Map is not registered on CPU unit I O control starts according to automatically configured Remote I O Map only over slave systems that already have power Base word No is set to basic settings Therefore in current value Map mode CPU operates based only on the I O Map of slave system that is running on power input to master system That is slave systems that were turned on after the power input are ignored Remote I O Map is not registered at the time of CPU ATTENTION unit release See Control by Current Value Registration Mode on the next page for details on registration When syste
26. OE MAX Maximum Value for OEMs CONTROLS om E pe saty NX Remote I O NX MASTER NX SLAVE NX70 SLAVE User Manual Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Because of these differences and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will OE MAX Controls be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation MAX Controls cannot assume responsibility or liability for actual use based on the examples and diagrams No patent liability is assumed by OE MAX Controls with respect to use of information circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of OE MAX Controls is prohibited Throughout this manual when necessary we use notes to make you aware of Safety considerations WARNING Identifies information about practices or circumstances which may lead to serious pe
27. ON when the data range to write exceeds S2 area Description on the Program on the Previous Page When is ON 20 words of data assigned as and DT1 from DT250 to DT269 on the CPU unit are written to the shared memory addresses 500 to 519 the special unit on the Remote 1 0 Slave system N10 O12 3 4 Advanced Unit CPU Unit Shared memory DT250 500 DT251 501 DT252 502 DT253 503 DT254 504 DT267 s57 DT268 DT269 519 Control Data Setting S1 S1 1 Set Master Unit No and Slave Unit No as S1 and set the special unit slot No as S141 15 Upper byte 7 Lower byte T D SLAVE Unit No H01 H20 1 32 MASTER Unit No 1 4 1 4 15 Upper byte 7 Lower byte rr eee HOO Slot No HOO H1F 0 31 Configuration Example of the Program on the Previous Page In the program example on the previous page when assigning advanced unit mounted in the slot 2 of Slave No 10 connected to Master Unit No 2 write program as follows X10 Ho oro Fo H2 F153 RMWT DTO DT250 K20 K500 Control data settings are as follows 20 Master No 2 Slave No 10 DT1 H 2 Slot 2 Precautions for Programming Multiple RMRD instructions F152 or RMWT instructions F153 cannot be executed at the same time RM RD RMWT instructions Write program to be executed when
28. On Stand by COMM Fast flickering Transmitting in normal operation Communica tion Status Slow flickering Transmitting stop mode Light on Fast flickering 0 2sec interval e Off Transmission error lt On Unit malfunction Slow flickering 1 0sec interval ALARM 9 Fast flickering Slave Station No Configuration error Light off Error Restricted unit mounting error Off Normal gt Using Remote 1 0 gt On End Station Off Not an end station Dip Switch Station Slave No Display Selection switch Station Slave No Set display range to either 1to 16 or 17 to 32 with this switch Operation mode setting switch MODE 13 SW 1 on Factory default setting is all OFF Select mode setting when choosing transmission path setting end station or communication error eration 3 Communication Operation stop Operation continue error mode mode mode 1 2 Select end station Not an end terminal An end station Settings of SW1 and SW2 must be the same Factory default setting is all OFF Settings are recognized only when power turns on ATTENTION RS 485 Interface Connection terminal for network transmission cable 1 port on the terminal Remote Slave Unit NX700 PLC SLAVE UNIT NX SLAVE NX70 PLC SLAVE UNIT NX70 SLAVE NX70 SLAVE Operation Operation Status
29. See Remote I O System Connection Pattern in Chapter for details on end station See Remote Master Unit in Chapter 2 for details on end station Switch settings When end station settings are incorrect the ERROR LED on CPU unit turns on Self diagnosed error E51 Turn on the power again after reset Operation Mode Selection on Communication Error Choose whether to stop or continue remote control networked to master unit when communication error occurs Configure the switch settings NX700 Dip S W No 3 N700 Dip S W No 7 Operation mode on communication error has relation to CPU unit settings where master unit is mounted See Remote I O Control on Errors in Chapter 5 for details on operation status OFF Operation stop mode Operation continue mode Transmission Port path Selection Only for CPL7740 These settings apply only to N700 Master module CPL7740 Select transmission port to use and configure the settings Operation mode setting switch SW1 and SW2 settings are interrelated See Remote I O System Connection Pattern in Chapter 3 for details on normal wiring e Wiring example of Step has only one transmission path Set SW1 and SW2 to OFF Step Slave Unit Setting Configure settings of slave unit Station No Setting Be careful of the following when setting Station No for slave units lt Up to 32 slave units can be connected to 1 master unit Station No Sett
30. Station No 1 Special unit mounting location Slot No 1 The second slot In the example above the control data 32bit configuration settings are as follows when assigning the special unit using shared memory access instructions F152 F153 15 Upper Lower 0 A Master Unit Network Selection O1H Master Network 1 S1 B Station No Station No setting 01H Station No 1 C Bank OOH Unit without bank S141 O1H Slot NO 1 Control data S1 0101H 51 1 0001 Maisie For example store 51 data to data register and S1 1 to data register DTL Assign only the initial DTO when using shared memory access instruction Ex 1 Simple Memory Access e Write the data in DT100 to D114 15 words to the shared memory of special unit of slave system Then read the 15 words of data written to special unit and store it to DT200 to DT214 of CPU unit Writing the program of the process above Here are some precautions for programming Make sure the R9035 execution permission flag is ON when executing shared memory access instruction Flowchart Set initial value setting condition to ON Y Set memory access start condition to ON R9035 ON YES Process 0 Process 1 To process 2 Program Example Initial value setting condition
31. The following are descriptions on system configuration installation environment and installation method Remote Master Unit Remote master unit is tuned for using with NX 700 PLC NX MASTER and N700 PLC CPL7740 and 4 units can be mounted to one CPU unit Mounting Condition e Remote I O Master unit can be mounted to any I O slot on basic or expansion backplane e Max 4 units be mounted e System configuration conditions expansion number power limits total length are same with that for normal cases Remote Slave Unit Remote I O Slave unit is tuned for using with NX700 PLC NX SLAVE N700 PLC CPL7741 NX70 PLC NX70 SLAVE and I O Link unit It can be mounted to only CPU unit slot on the PLC system Slave unit be controlled as slave to master unit Mounting Condition e Slaveunit must be mounted to CPU unit slot on the basic backplane In that case CPU unit cannot be mounted together e General I O units or special units can be mounted to I O unit slots However MW link W link Optical Link CCU unit High speed counter with interrupt function 4CH and Pulse I O units cannot be mounted to slave system e Referto the unit specifications on the previous page for the number of expansible slots Other configuration specifications such as current consumption limits are the same as those in general cases Make sure to use expansion cable shorter than 1 2m Simple Check Flowchart This flowcha
32. U UUU o8 5 6 67 A X05 olo p o 3 OBERE JE JE JE JE ASAS ASAS AAN IB oo H d ARRARRARR s E M ze 105mn p Ke HHEHHHHEHH JE SIE I3 HN Pr es g YYUYUYUY PTS AAAANANAA E NX Remote I O User Manual CONTROLS www oemax co kr www oemax com Trademarks not belonging to OE Max Controls are property of their respective companies Publication NX700 UMO1IA EN P September 2006 Copyright 2006 OE Max Controls
33. U unit Operation delay Master unit Slave unit Input signal Output signal Topy Precautions for Remote I O System Please follow the instructions below when operating Remote I O System Make sure to turn off the power when mounting or removing Remote I O System units Make sure all Remote I O System units are firmly mounted on the backplane Be careful not to leave any cable residues in the unit while wiring Do not touch or directly contact the terminals on the bottom of Remote I O System unit Otherwise element can be destroyed by contact defects or electrostatic Make sure not to drop or shock the plastic cases of Remote I O System units or dedicated I O link Use the unit under conditions defined in the general specifications to enhance product performance Separate units from high voltage cables high voltage equipment power cables and power equipment as far as possible Make sure to separate the power wires and transmission cables in different ducts if possible External Dimensions N700 PLC Unit N700 PLC MASTER UNIT CPL7740 9 E 8 B E 8 B 5 150mm EN IM amma 00 p CO mmm Ll L ES E 66586 N700 PLC SLAVE UNIT CPL7741 A 53mm
34. al flickering flickering PROG COM COM There is a registered slave Connect power to the slave unit Slow Fast Fast unit that is not started yet that is not operating flickering flickering flickering Slave station connection Check if the transmission cables standby Operation does not are connected correctly tart after ch ing to RUN pn ee M 2 Check if slave unit exists at the mode but it is nota registered Station No Check the malfunction registration and settings and restart ERROR ERR Temporary condition caused Restart On On by noise N700 There is a malfunction on Contact us master unit Self diagnosis code E41 ALARM ALARM Temporary condition caused Restart Off On by noise There is a malfunction on Contact us slave unit COM There are more than 5 Install up to 4 master units and restart On master units mounted COM There is a unit that is not Remove the prohibited unit on the Fast available as Remote I O slave system and re configure the flickering System but is mounted on settings ALARM slave system Slow flickering COM There is an error in the end Set the 2 slave units on the both ends Fast station settings Self of transmission path as end stations flickering diagnosis code E51 ERROR On COM Transmission cables are not Check the transmission cable Off correctly wired connection Slave uni
35. ange I O Refresh timing errors Notet gt Synchronization to general I O refresh Y Connection Finish setting Check if CPU unitis in PROG mode and turn the power on Operation mode on errors should be configured separately for each station and CPU unit See Remote I O Control on Errors in Chapter 5 for details including configuration and operation status Remote I O System Connection Pattern Below are two patterns A B of connection method between master unit and slave unit or I O link unit Six patterns A to F are available for N700 master unit Do not use connection patterns other than the below ATTENTION two patterns A B Six patterns for N700 Transmission cable connection and grappling should be done in order starting from master unit No branch line wiring is allowed See Connection Setting Procedure in Chapter 3 for details about connection and configuration Master Unit Slave Unit CO Connection mode Connection mode For end station 1 Transmission path Using port only 1 Network The end stations are master unit and end slave unit MASTER UNIT Port Slave Stations Total 32 Stations 1 Transmission path Using port only 2 Networks The end stations are slave units at each end of the network MASTER UNIT Slave Stations Total 32 Stations Connection pattern 2 T
36. are powered on Slave station connection checking mode is a factory default setting CPU unit System register No 35 settings apply to this configuration Remote I O Map registration is necessary for slave stations connection checking mode When there is no Remote I O Map registered the slave station connection checking mode settings are invalid See Current Value Map and Registered Value I O Map in Chapter 4 Slave Station Connection Checking Mode Setting System register No 35 1 Operation If there is a registered system not started when master system is in RUN mode with power input system goes into slave system connection standby mode and operation does not start CPU unit PROG LED flickers in this status Also COM LED of master unit and each running slave unit flickers fast which indicates a normal operation Actual control starts after all slave units registered in Remote I O Map are powered on UN Station No 1 Station No 3 _ CPU unit LED 5 CPU unit LED Na NU x Q RUN lt _ Lit ON i Station No 2 Power input PROG lt Out OFF Delayed power input connection flickering Maratea Connection standby usually occurs in the following cases AN No power input to slave unit There is a broken transmission cable Slave unit with a certain Station No on the registered I O Map does not exis
37. e as normal cases flickering with 0 2 sec interval Troubleshooting Initialize master system in RUN mode after removing error causes broken transmission cables 3 Remote I O Operation Stops alone CPU unit System register No 27 0 Operation continue mode Master unit setting switch SW3 SW7 for N700 OFF Operation stop mode Operation Description Only Remote I O operation is stopped Master system I O operation continues COM LED on master unit and slave unit are flickering slower than normal cases 1sec interval which indicates communication errors Troubleshooting Reconnect master system power after removing the error causes broken transmission cables 4 O Operation Continues e CPU unit System register No 27 1 Operation continue mode Master unit setting switch SW3 SW7 for N700 ON operation continue mode Operation Description e Operation continues on normal master and slave system 1 0 excluding unreachable slave systems COM LED on master unit and slave unit are same as normal cases flickering with 0 2 sec interval Troubleshooting Communication to slave systems is reestablished after removing error causes broken transmission cable ERROR LED of CPU unitis still turned on so turn on the initialize switch of CPU unit to turn off the ERROR LED Output of Unreachable Slave Systems Output status of slave systems unreachable from master units can be mainta
38. e station no where error occurs Set OOH to the upper 8 bits to identify the slave system with errors In that case it is as follows Special data register DT90132 to DT90135 15 14 1 12 n 109 8 7 6 5 4 3 2 1 0 bit 0790132 16 15 14 13 121 1 10 9 8 7 6 5 4 3 2 1 Station No Current value 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 DT90133 Accumulated value 0790135 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 DT90134 MEME M The bit corresponding to Station No of slave system with error is setto 1 Ex When DT9131 0101 see Step 2 example above and DT90133 is 4000H an error is occurring at Master Network 2 Station 4000H 01000000 00000000 Bit 14 No 31 1 Check the number of locations of errors Identifying the slave system where unit malfunction occurs Set 01H in the upper 8 bits of DT90131 to identify the system where errors such as broken fuse TR or excessive load occur In that case it is as follows Special data register DT90132 to DT90133 15 14 B 11 0 9 8 7 6 5 4 3 2 1 0 bih 0790132 16 15 14 13 12111 1019 8 7 6 5 4 3 2 a Station No DT90133 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
39. ed and can lead to I O Verify error Registration Registering with WinFPST S W programming tool Press option O bar on the screen top and select Remote I O Map Registration R in the menu See Remote System I O Allocation Map in Chapter 4 Base Word No Setting Remote I O Base word No can be registered freely for each master unit With this method I O points needed for each Master Network can be secured or allocations for Remote I O area and General I O area Master system I O can be modified See Remote System 1 Allocation Map in Chapter 4 for details on factory defaults Setting Range For each master unit O to 127 word units are allocated For N700a and CPU 750C and CPU 750D 0 to 511 words allocated Ex If the Base word No of Master Network3 is changed from 112 to 104 256 points from 1040 to 119F on Master Network3 can be controlled To do that the following conditions should be satisfied Setting Conditions The last I O number of general I O area Base word No of Master Network1 Base word No of Master Networkl Base word No of Master Network2 Base word No of Master Network2 Base word No of Master Network3 Base word No of Master Network3 Base word No of Master Network4 Condition 1 Base word No must set from the master unit mounted the nearest to CPU unit A unit cannot be set to a Base word No lower than that of another unit nearer to CPU unit than itself M
40. eed counters with shared memory access function Advanced unit with shared memory NX MASTER Write instruction a Initial value Target value MASTER System j Ce T Read Instruction Drive m Current Value Fan Upto 32 words of data can be transmitted by one instruction During running shared memory access instruction R9035 OFF another shared memory access instruction cannot be executed Shared memory access instructions F152 and F153 on advanced units on slave system run differently than general shared memory access instructions F150 and F151 Becareful about the following when executing F153 For F152 and F153 When execution requirements are met and instructions are executed the actual request sending and receiving is applied only to slave systems Actual accesses Sending and receiving starts on the point of END instruction execution it takes several scans to finish accesses after execution requirements are met Therefore when accessing shared memory of advanced units on slave systems it is necessary to monitor the following relay and special data registers and check the operation status R9035 Memory access instruction available flag R9036 Memory access instruction completion flag DT90036 Memory access instruction completion code DT9036 for N700 For F150 and F151 Actual share memory access is
41. emory area Base word No 0 Changeable Changeable No duplicate allowed Changeable Changeable lt Condition 2 gt I O cannot be duplicated between the following pairs General I O area and Master Network 1 area Master Network 1 and Master Network 2 Master Network 2 and Master Network 3 Master Network 3 and Master Network 4 x If duplicated Remote I O Map Duplicate Error E37 occurs lt Condition 3 gt When Master Network 1 Base word No is set to 0 all memory area are used for Remote I O In that case I O units or advanced units cannot be used on master system Set the I O type points of each unit mounted on master system including master unit to OSE advanced unit or OE I O unit Base word No 0 Master Network 1 Master Network 2 quiod 9T O I yun Jamod This I O unit cannot be used Master Network 3 Master Network 4 OSE Setting Occupied Slot Number Setting occupied slot number for each slave system e Up to 64 occupied slots can be used for one unit Onslave systems consisting of slave units up to 32 slots are available for N700 up to 25 for NX700 series and up to 12 slots for 70 series Configure both used and empty slots In this case the 3 slot and 5 slot backplane of N700 PLC are not needed to operate as 8 slots The same applies for NX 700 PLC VO Type Points Setting Setting the I O type and occupied points being used or to be used for each slot If
42. ere are no missing numbers among I O numbers Program start up can be delayed until all slave systems are ON Remote I O Allocation Map Registration Random Allocation Registration Mode Random allocation mode with WinFPST S W This mode is used when reserving I O points for later use additional slave systems are to be installed When there are many Remote I O points memory areas for Remote I O use be expanded Setting Registering with WinFPST S W programming tool Press option O bar on the screen top and select Remote I O Map Registration R in the menu CITE VOX BS AES DAE 1 CoH 2 CoS C DAH 4 HIOA 64 HIO 96 HI O 112 Hol 120 1 4C OAS OAS OAS EN mM EET VO Allocation Example Allocation when Station No 2 is to be used later See the diagram below VO Link Unit Slave Unit ret Unit N II d 5 5 2 05 1 g 2o0 co 2 o c 535125 i co Station 3 rari tion Station Station Y G X640 Y650 X660 680 72F X730 1 1 6 65 X67F 0 0 points Preallocation X74F The example above describes random I O allocation See Remote System I O Allocation Map in Chapter 4 for details Base Word No Default 64 can be modified Also 680 to 72F Reserved for Station No 2 to be added are not used and Station No 41 controlled as Y 750
43. execution permission flag R9035 is ON 0 Not executable RMRD RMWT instruction is running 1 Executable RMRD instruction performs receiving request only but the actual processing starts after ED instruction runs Check if execution is completed using RMRD RMWT instruction completion flag R9036 0 Normal completion 1 Termination Error code on DT90036 On termination R9036 ON error specifications are stored into the error code List of error codes stored in DT90036 Time Out 5B No correspondent Unable to send No access area 68 Assigned memory area or address does not exist 71 Time out with sending answer standby 72 Time out with empty sending buffer standby 73 Time out with response standby Error codes H71 to H73 indicate communication time error Time out can be configured in the range of 10 0ms to 81 9s unit 10ms atthe system register No 32 settings Default is 2s Example of Sequence Program Using Shared Memory Access Instruction This example installs advanced unit onto the Remote I O System Slave accesses the shared memory of special unit on the slave system Refer to the example illustrated below when writing the program Advanced unit with NX MASTER shared memory NX SLAVE Master System Twisted Pair Cable Master Network Master Network 1 Master unit mounted nearest to CPU unit Station No Slave station No
44. gistration R in the menu and press Register Mounting M bar PLC and WinFPST should be on line Master System Station No l 0 1 2 Station No 2 Station No 3 yun jun Jamod X700 to X71F X20 to X2F Y10 to YIF quor X660 to X67F Y650 to Y65F X640 to X64F Not operating Inthe above example Station No 2 is not operating No power or no connection etc Station No 2 I O number is registered and even if slave system is started later it is recognized by the registered number and can be controlled WinFPST S W registration is necessary before applying Current value registration mode to register Remote I O Map ATTENTION WH When using Current value registration mode incorrect registration can lead to system malfunction If there is no registered slave system the Station No is recognized as empty and connection standby mode is applied In Slave station connection checking mode Control by Random Allocation Registration Mode I O Map is randomly generated and registered on CPU regardless of currently mounted I O status of Remote I O System including all slave stations System operates based on the registered Remote I O System Map When using Random allocation registration mode ATTENTION 5 and there are changes in unit configuration during system use new registration is necessary If not the changed unit settings are not recogniz
45. h this switch H 17 32 Operation mode setting switch MODE SW mc BRR A OF All set to OFF by factory default Select mode setting when choosing transmission path setting end station or communication error ON Communication 7 Operation stop Operation error mode mode continue mode Selecting end 5 6 station Port II Not an end station An end station 3 4 Selecting end Not an end station An end station station Port I Using both port I 1 2 Select port and port II Using port I only Settings of SW1 and SW2 must be the same The same applies to SW3 and SW4 and SW5 and SW6 Factory default setting is all OFF and SW8 unused Settings are recognized only when power turns on ATTENTION RS 485 Interface Connection terminal for network transmission cable There are two ports on the terminal External Diagram and Functions NX700 PLC Master Unit 0 Station No Display and Operation Status Display LEDs of slave units No 1 to 32 which are connected to master unit Checking for lights by changing display range either 1 to 16 or 17 to 32 with display selection switch NX MASTER OM ERRFLK TERM E COM ERR LED Communication and operation status 4 m ps gt
46. his slave unit cannot Remove the cause of error such as Slow Slow establish communication broken transmission cables and flickering flickering with master unit Slave units restart the 1 with COM LED flickering are normal COM COM This slave unit cannot Remove the cause of error such as Slow Off establish communication broken transmission cables and flickering with master unit Slave units restart the master system 1 1 See Remote I O Control on Errors in Chapter 5 for details Transmission Time The transmission time required for controlling REMOTE I O systems Remot I O Scan Time Remote I O SCAN Time for each slave system connected to master system is the time from sending the output data set in the unit buffer to setting the input data received from each slave system into the unit buffer Tr 0 8 0 85 x n 0 55 x N 0 13 x W ms n of I O Link N Number of slave units W Number of words used for Remote I O Exampi 1 When 10 I O Link units Input 16 points output 16 points and 1 slave unit 4 unis with input 32 points 4 units with output 32 points are connected Tr 0 84 0 85x10 40 55x 1 40 13x ees 16 14 53 ms de Remote I O Memory Access Time Tru Remote I O memory access time is the period from master system s receiv j memory access request from CPU unit to receiving memory access completion message from slave system
47. ined Turn ON setting switch SW3 of slave unit f output is ON at the moment of communication errors it is maintained as ON When slave unit setting switch SW3 is OFF and communication error occurs all outputs turn OFF CPU unit settings System register No 27 and master unit setting switch SW3 1 have no relations 1 SW7 for N700 Master unit Operation On Malfunction Of Units Connected To Slave System Setting of whether to stop or continue I O operations when malfunctions such as excessive load occur on I O units or advanced units connected to slave system is enabled by this function When error occurs Remote I O slave unit malfunction self diagnosed error code E47 is indicated Slave systems mounted with malfunctioning units also can be verified with special data register DT90131 to DT90137 Advanced unit unusable Ex yun J9MOd 3JAVIS YALSVW Station No 2 Station No 1 Station No 3 ee On the above slave system there is a malfunction of SCU mounted in slot 1 of Station No 1 of slave system If operation continues normal I O control is possible on Station No 2 Station No 3 and Station No 1 When error occurs on units on slave systems there are 3 operation modes available I O operation stops 0 X COM T Restart of Master unit 0 1 I O operation stops 1 Restart of Master unit 1 1 OFF Restart of slave systems wi
48. ing range 01 to 32 Total number of I O points cannot exceed 1 024 For N700a NX700 CPU module NX CPU750C NX CPU750D up to 4 096 points control is available Becareful not to set same Station No for slave units networked and connected to asame master unit Slave units connected to different master units can use same Station No O numbers are allocated in order from low to high Stations No The order of slave unit connections is not taken into account e See Remote System I O Allocation Map in Chapter 4 for details on I O number allocation Connection Methd Turn the Station no setting switch rotary switch to set the Station no the tens the ones Use screw driver or column column other tools to turn m Station No Station No Example setting 3 Setting switch Met e Station No has no relation with the order of slave unit connections There also can be missing numbers among Station No Setting Example n Step Slave unit I is set as Station No 1 Il as Station No 3 and III as Station No 4 No 1 Master No 3 No 4 Slave l Slave Il Slave lll numbers are allocated an order of Slave I II and III See Step for I O number allocation Do not turn the Station No setting switch after power input It causes no problem during operation because I O number allocation on power input gives control but error ca
49. ing to refresh of general I O control of master system If there are many Remote I O control points the time for 1 scan can be long If No synchronization is selected the scan time of general I O control can be shortened Changing Operation Mode Operation mode of Remote I O System control can be changed with system register settings the parameter setting of CPU unit System register settings can be modified with WinFPST S W as described below Registering with WinFPST S W programming tool Press Option O bar on the top screen of WinFPST i la mem SM and select PLC System Register Setting uam caus Cea ten massas RUD F SECHET Th 8 BAVUL The screen on the right appears when Operation F MZ NORUE MUN EIB TATUD on Errors is pressed in PLC System Register F Wy EDE Setting mode Set No 27 and No 28 P Me SOME WHA AIB BRULO FA NEMOTE VO RS I EDG DAVUD F Na REMOTE NO guisa gi The screen on the right appears when Remote I O Setting is pressed in PLC System Register Setting castes eno mode Set No 35 and No 36 3000 COMER SR Vo NGEH BARNS WUE 096 77 f ga 4 sas RIND cay 8 mx BROS 28 Set CPU unit of ma
50. ink Optical link unit CCU unit slave system backplane High speed counter with interrupt function 4CH Pulse I O 4CH Transmission distance differs depending on cable or unit types being used Remote I O System Product Types Master Unit NX 700 450 mA NX MASTER REMOTE MASTER UNIT Mountable on any basic or expansion NX700 backplane up to 4 units REMOTE MASTER UNIT PUMA Slave Unit 1 NX 700 Remote Slave Unit N A 400 mA NX SLAVE NX70 Mounting on CPU unit Remote Slave Unit slot on basic backplane 400 mA NX70 SLAVE 00200 RS 232 422 1 port 200 CPL7741 Remote Slave Unit ipo Slave Unit 2 16 points DC 24V IN terminal block type CPL57441 32 points DC 24V IN connector type CPL57442 32 points DCIN TR OUT mixed type connector type CPL57443 8 points RELAY OUT terminal block type 4 points COM CPL57444 UND 16 points RELAY OUT terminal block type 8 points COM CPL57445 16 points TR OUT terminal block type CPL57446 16 points AC OUT terminal block type CPL57447 32 points TR OUT connector type CPL57448 16 points AC IN terminal block type CPL57449 Solenoid Valves Connectable with Slave Units Serial transmission system SMC Inc IN313 PA2 solenoid Electronic valves made by companies on the left list can be Electronic Reduced wiring valve
51. istered Value 1 0 44 Remote System Operation Mode 51 Operation Mode Change System Register 51 Remote O Control on 53 Slave Station Connection Check 60 Remote I O Refresh 00 62 Remote System Functions 65 Remote I O Control iie ciere esae ese atio 65 Shared Memory 4 4 44 0000 66 Example of Sequence Program Using Shared Memory Access Instruction tu 73 Remote Programming For N700 PLC only eene 80 7 Troubleshooting coco rore canem e RE 81 Identifying Error 1 4 0 00000 enne nennen 81 Self diagnosed Errors Related to Remote System 82 Remote I O Error Code 0790136 0790137 83 Identifying the Slave System Where Error Has Occurred DT90131 to EE 85 Troubleshooting 88 EED Status Check NE TRA 101 Transmission TIME occorre cao ang a a ak a a ga
52. itch ILLL HI I I RS 485 Interface 3 2 ri 1 Bottom Station No Display Q Operation Status Display 1 0 Station No Display Selection switch Operation Mode Setting switch 5 G RS 485 Interface 20008 Front External Diagram and FunPLC Master Unit Station No Display MASTER LEDs of slave units No 1to 32 which are connected to master unit Station No Check for lights by changing display range from 1to 16 or 17 to 32 with display selection switch Q Operation Status Display COMM O ALARM Q Fast flickering 0 2sec interval Slow flickering 10sec interval LED that displays communication and operation status oO On Stand by 6 Fast flickering Transmitting normal operation COMM Communica tion Status Slow flickering Transmitting in stop mode Q Off Transmission error gt On Unit malfunction ALARM 0 Fast flickering Slave Station No Configuration error Error Restricted unit mounting error Normal Station Slave No Display Dip Switch Selection switch Station Slave No Set display range to either 1 to p 16 or 17 to 32 wit
53. l there is high possibility of contact defects which may consequently lead to transmission error 72mm or less 37to 43 holes Compressed terminals available 1 Volition Terminal O type LUG 2 Solution Terminal with Isolation 3 Open end terminal Y type LUG Remote I O System Configuration Restrictions Units that cannot be used on slave systems e Special units listed below cannot be used on slave system e f restricted special units are mounted banned unit mounting error E35 occurs and CPU unit stops working ALARM LED on master and slave units flickers Restricted Advanced special Units e Remote I O Master Unit e MW Link Unit W Link Unit Optical Link Unit e Interrupt Unit e CCU Unit Computer Communication Unit Remote system cannot be configured in following cases e When master unit is mounted on slave system remote I O system cannot be configured together e No network can be configured when link unit is mounted on slave system e Interrupt unit or units with interrupt function cannot be mounted on slave system e Itis not possible to communicate with external devices by mounting CCU unit on slave system Computer External Diagram and Functions Remote Master Unit NX700 PLC MASTER UNIT NX MASTER YALSVIN 17 259 1632 Operation Status Display NX MASTER COM ERR FLK TERM Station No and Station No Display Selection sw
54. m register of CPU unit is reset Remote is initialized even if Remote I O Map is already registered Initialization methods of I O Map and system register are controlled by programming tools Handy Loader Operated by ACLR OP 51 Only for N700 PLC WinFPST S W Computer Press Option O bar on the top screen of WinFPST S W and select Remote Map Selection R and press Initialization I bar 3 Remote I O Map registration cannot be initialized alone Be careful that other system register settings are initialized together when Initialization I bar is pressed Base word No is also initialized Master System Station Nol 0 1 2 Station No 2 Station No 3 Not operating Inthe above example Station No 2 power is OFF and Remote I O Map is configured with only Station No 1 and Station No 3 in auto mode Station No 2 is not registered as Remote I O Map even if itis started later Even during establishing system Remote I O control can be started with partial connections ATTENTION ow When operating in current value I O Map Auto mode make sure to turning on the power of slave systems to be controlled before turning on the master system power 1 Slave systems that are turned on later are not registered into Remote I O Map 2 The I O points of such slave systems are skipped when allocating I O numbers In addition if end station is not configured on master system p
55. m units Make sure all Remote I O System units are firmly mounted on the backplane Be careful not to leave any cable residues in the unit while wiring Do not touch or directly contact the terminals on the bottom of Remote I O System unit Otherwise element can be destroyed by contact defects or electrostatic sure not to drop or shock the plastic cases of Remote I O System units or dedicated I O link Use the unit under conditions defined in the general specifications to enhance product performance Separate units from high voltage cables high voltage equipment power cables and power equipment as far as possible Make sure to separate the power wires and transmission cables or operate in different ducts if possible Do not install your unit if any of the following conditions are present Ambient temperature outside the range of 0 to 55 C 32 to 131 F Direct sunlight Humidity outside the range of 3096 to 8596 non condensing Chemicals that may affect electronic parts Excessive or conductive dust or salinity High voltage strong magnetic fields or strong electromagnetic influences Direct impact and excessive vibration Precautions for Electrostatic Excessive static electricity can be generated in dry condition so please make sure to discharge electrostatic with other materials like grounded metal bars before contacting unit Cleansing Unit Do not use thinners which can damage or
56. mmunity 1500Vp p with 50ns to 1 us pulse width generated by noise simulator Ambience No corrosive gas no excessive dust Performance Specification Common to Remote Systems Item Specifications Communication method Twisted pair half duplex Synchronization method Start stop synchronization Transmission distance note 1 700m Total length Transmission speed 0 5 Mbps 2 Transmission paths Network Twisted pair cable 4 paths Network for N700 Interface Multi drop RS 485 Transmission error check CRC Cycle check Cyclic Redundancy Check Method Transmission Path Number of master units per one CPU Number of slave units that can be connected to one master unit Max 4 units Max 32 stations Max 2 048 points For NX CPU 750C NX CPU 750D N700a CPU Max 8 192 points Max 1 024 points For NX CPU 750C NX CPU 750D N700a CPU Max 4 096 points Per one CPU unit Per one master unit unit unit 9 I O Link unit models including for 32 points and 16 points Per one CPU unit Max 128 I O units can be controlled Per one master unit Max 64 I O units can be controlled NX70 NX70 Max 12 slots NX 700 N700 Slots Local Slave NX 700 Max 25 slots pereach system N700 Max 32 slots station I O Link unit Max 1 slot S O S SquIOd 0 1 03u09 Units that cannot be mounted on the local Master unit MW link W l
57. n the ones coJumn Station No Setting station No for Remote I O System Turn the dial and align the arrow p gt with the number you want In addition the numbers in tens and ones columns should be set separately ATTENTION When No outside the range is set setting error ALARM LED flickering occurs and transmission fails Refer to Step of Remote I O connection Settings are recognized on power input G Operation Mode Setting Switch MODE SW PNW A rer OFF ON Factory default setting is all OFF End station setting mode setting for communication error RS422 RS232C 6 Selection Switch Roseg Reset 3 ann Output OFF Output ON communication error 1 2 End station setting Not an end terminal An end station Mary Settings of SW1 SW2 must be the same Settings are recognized only when power turns on AN SW4is communication connector for programming tools Only for N700 But SW4 is not used on NX700 70 and I O Link Slave units RS422 232C Communication Connector Available only on N700 SLAVE unit Used for programming tool functions ladder generation monitoring WinFPST S W computer connection and connection to programming devices such as Handy Loader G RS 485 Interface Connection terminal for network transmission cable External Power 24V Input Terminal
58. n occur on next power on End Station Setting When the station is connected at the end of network transmission path set it as end station Setting Inthe wiring example of Step Slave I and Slave 1 are the end stations Set both SW1 and SW2 to ON Slave and I O Link units of all PLC use SW1 and SW2 for end stations setting and those two are interrelated Set SW1 and SW2 to OFF for slave units that are not end stations See Remote I O System Connection Pattern in Chapter for details on end station See Remote Master Unit in Chapter 2for details on end station Switch settings When end station settings are incorrect the ERROR LED on CPU unit turns on Self diagnosed error E51 Turn on the power again after reset End station Not an end station Operation Mode Selection on Communication Error Choose whether to stop or continue remote control networked to master unit when communication error occurs Configure the switch settings NX700 Dip S W No 3 N700 Dip S W No 7 Operation mode on communication error has relation to CPU unit settings where master unit is mounted See Remote I O Control on Errors in Chapter 5 for details on operation status ODE gan andaga Operation stop mode Operation continue mode RS 232 422 Connector Communication Method Setting For N700 Slave Unit only Only for CPL7741 These settings apply only to N700 slave module CPL7741
59. n on unit Contact us Configure I O Map correctly Correct the program There can be malfunction on dedicated I O Link unit Contact us There can be malfunction on Remote I O System Contact us 6 Flowchart when shared memory on special unit on slave systems is not accessible Shared memory access is not available Is special unit mounted correctly Correct the mounting s control data for shared memory access instruction onfigured correctly NO Correct the settings If you have spare special unit replace the old one If memory access is not available after replacing contact us 7 Flowchart when remote programming is not available For N700 PLC only Handy Loader or WinFPST S W is not operating NO Set the baud rate correctly with N700 Slave unit CPL7741 operation mode setting switch Are Baud Rate settings correct Is RS 232 port settings of the computer using WinFPST S W correct Correct the settings Contact us LED Status Check Check the LED as well as the transmission path status each component settings and operation status LED Status when CPU Unit is in PROG Mode Start the CPU unit on master system after setting it to PROG mode PROG COM COM On Fast Fast Norm
60. n using NX700 CPU 750C CPU750D modules or N700a PLC up to 8 192 points are available for remote 1 0 For example 2 048 or 4 096 points can be allocated to Master Network1 2 In addition Base word No can be modified with WinFPST S W which expands the available area of master network that needs more I O numbers Areas for other master network can be reduced These are registered as Remote I O Map Random Allocation in WinFPST S W as described below See Control by Random Allocation Registration Mode in Chapter 4 Remote I O Allocation Map Registration Random Allocation Registration Mode Random allocation mode with WinFPST S W When more slave units are to be added or reserving I O points for later use this mode can be selected lt When there are many Remote I O points memory areas for Remote I O use can be expanded Setting Registering with WinFPST S W programming tool Press option O bar on the screen top and select Remote I O Map Registration R in the menu OFAE1 DE OAE DIEIS 0 96 HOJA 112 Hol 120 OAS OAS 3 The first O number of slave system starts with the number right after the last I O number of the Station No connected to the previous system 4 The last I O number of slave system differs depending on the number of occupied 1 0 points 5 Thesystem with the least Station No will be the first number of Base word No 6 As usual I O numbe
61. nd station error Transmission Emor on Remote WO end station settings Re configure setting correctly 52 22 I O refresh synchronization Transmission Contact us register from programming tools From On Line L on the top screen of WinFPST S W select Register AN monitoring E and check DT90131 to DT90137 See Identifying the Slave System Where Error Has Occurred DT90131 to DT90135 in Chapter 7 2 CPU unit stop or transmission can be selected based on system register settings 0 transmission 1 Stop Remote I O communication error System register No 27 Remote I O Slave system I O settings error System register No 28 See Operation Mode Change System Register Setting in Chapter 5 and Remote I O Control on Errors in Chapter 5 Remote I O Error Code DT90136 DT90137 When error has occurred on Remote I O System it is stored to the CPU unit special data register DT90136 and DT90137 DT9136 and DT9137 on N700 Identification Method From On Line L on the top screen of WinFPST SM select Register monitoring E and check DT90131 to DT90137 Data in Special Data Register DT90136 and DT90137 Data of 8 bit for each of Master Network 1 to 4 represents each type 15 14 13 1210 109 8 7 6 5 4 3 2 1 0 bit 079036 89 3lglololojololeoleleieiloiolo Master Network 2 Master Network 1 15 14 13 2 1 10 9 6 5 4 3 2 1 O b 0790137
62. nits locating SCU high speed counter analog that are mounted to slave systems Remote programming function enables the use of programming tools WinFPST S W via slave unit communication ports This function is available only for N700 PLC SLAVE units CPL7741 Remote I O Control This is the most basic function of Remote System which enables control over I O of slave system system with slave units mounted from the master system system with master units mounted This operation is called Remote I O control NX MASTER Master system Master station Master System Slave station Slave System Simple wiring with twisted pair cables Master Station Slave station Slave station Slave station Ladder program Slave System Slave System In the above example Y80F turns ON when X680 turns ON yun Jamod yun Station No l X640 X680 X720 Y740 Y760 Station No 2 X780 X790 Y800 J J J J J X67F X71F X73F Y75F Y77F X78F X79F X80F Shared Memory Access This function enables reading and writing data in the shared memory of advanced unit locating SCU high speed counter and analog from master system CPU unit e Using ladder program advanced instructions F152 RM RD and F153 RMWT To read or write data to shared memory is done by shared memory access Theillustration below shows an example of data setting or monitoring on high sp
63. not to set empty slots set them as OE There will be no missing numbers among I O numbers of currently mounted units PLC N series allocates 16 points 16E to empty slots 16 X Occupied TUNE Type 16 X Input 32 Y Output 64 E Empty and unused slot 128 SX Advanced unit input SY Advanced unit output 0 SE Link related unit no I O Up to 1 024 I O points can be allocated to one master unit For 700a NX CPU750C and NX CPU750D units up to 4 096 points can be allocated Remote System Operation Mode Remote I O System control operation mode can be changed according to the usage This chapter describes the operations and modification methods of operation modes Operation Mode Change System Register Setting Changeable Operation Mode Remote I O Control On Errors See Remote 1 0 Control on Errors in this Chapter Selecting operations when transmission cable breaks or out of function of a slave unit Decision on whether to stop operation or continue on remaining Remote I O e Setting LED check options on errors Slave Station Connection Checking Mode See Slave Station Connection Check Mode in this Chapter When Remote I O Map is already registered Remote I O control can start after all registered slave systems are powered on Remote I O Refresh Timing See Remote I O Refresh Timing in this Chapter Setting whether or not to synchronize Remote I O control refresh control processing tim
64. ns can be narrowed down See Identifying the Slave System Where Error Has Occurred DT90131 to DT90135 in Chapter 7 2 CPU unit stop or transmission can be selected based on system register settings See Operation Mode Change System Register Setting in Chapter 5 and Remote I O Control on Errors in Chapter 5 Identifying the Slave System Where Error Has Occurred DT90131 to DT90135 When errors like communication error transmission error instantaneous power failure on slave system or unit malfunction of slave system occur error location Master Network and Station No can be identified by monitoring special data register Identification Contents L Station No of the slave system with current error Current value 2 Station No of the slave system with history of error Accumulated value 3 Station No of slave system where error broken fuse excessive load has occurred on the mounted unit 4 Station No of slave system where instantaneous power failure has occurred Identification From On Line L on the top screen of WinFPST S W select and check Register monitoring E 5 Refer to the description below for the meaning of stored values Identification Process Identify the transmission path where error is occurring e lf error occurs Remote I O transmission path the following special internal relays R9058 R905B that correspond to the path turn ON a R9058 When error
65. occurs on Master Network1 ON R9059 When error occurs on Master Network2 ON R905A When error occurs on Master Network3 ON R905B When error occurs on Master Network4 ON e The transmission path with error can be identified by monitoring special data register DT90136 0790137 See Remote 1 0 Error Code DT90136 DT90137 in Chapter 7 Ex R9059 turns ON in the illustration below Error on Master Network2 Error occurs Station No 1 Station No 2 Station No 3 yun jun Slave System Slave System Master System Slave System Slave System Configure the identification settings Select the events to be identified and set the corresponding code to special data register DT90131 Setting should be formatted in H constant Hex DT90131 Selecting transmission path OOH Master Network 1 01H Master Network 2 02H Master Network 3 03H Master Network 4 OOH Station No of slave system where error has occurred Current value accumulated value See 3 1 below 01 Station No of slave system where error has occurred on mounted units See 3 2 below Station No of slave system where instantaneous power failure has occurred See 3 3 Ex When unit malfunction of slave system has occurred on Master Network 2 the Station No of the unit can be identified with the following settings DT90131 0101H Check the number of locations of errors Identifying th
66. on method Select Status T from the main menu on the top screen of WinFPST S W Remote I O System Self diagnosis List 35 Prohibited unit is mounted on slave Sto unit that cannot be mounted on system system has been found Remove the prohibited unit in The number of slots or I O points of Remote I O stop are out of range Do not exceed the limit 37 Remote I O Map duplicate error or Sto Re configure the Remote I O Map to remove the out of range error duplicate 38 I O Link registration error Stop Set correct values in I O Map of I O Link Slave system power is OFF or transmission path cable is broken Restore the communication uu For identifying the slave system where error has 46 Remote I O communication error Selection occurred see Identifying the Slave System 1 2 Where Error Has Occurred DT90131 to DT90135 in Chapter 7 From On Line L on the top screen of WinFPST S W select Register monitoring E and check DT90131 to DT90137 Verify error broken fuse or excessive load on special unit Check the mounted units For identifying the slave system where error has 47 Unit malfunction on slave system Selection occurred see Identifying the Slave System 1 2 Where Error Has Occurred DT90131 to DT90135 in Chapter 7 From On Line L on the top screen of WinFPST S W select Register monitoring E and check DT90131 to DT90137 51 Remote I O e
67. ower input End Station Error occurs Broken wire or delayed power input In that case turn off the power first take troubleshooting steps such as configuring end stations and restart the system Control by Current Value Registration Mode When actually operating devices it is recommended to use current value registration mode When Remote I O Map is registered to CPU unit the I O Map settings are backed up in the memory and applied to every I O control Base word No is set to basic settings lt When turning on the master system power the I O numbers are maintained as the same and continue on the next slave system even when there are slave units not turned on Slave systems that are not turned on during the master system power input are controlled by pre registered I O number after they are turned on later If Slave Station Connection Check Mode is on System register No 35 is set to 1 operation starts after all registered slave systems start up Note 1 See Slave Station Connection Check Mode in Chapter 5 for details on that mode Registration Registering currently mounted I O into Remote I O System including all slave systems All Remote I O Systems should be turned on Once I O is registered when installing or modifying system for the first time the settings are backed up in the CPU memory lt WinFPST SAW Computer Press option bar on the top screen of WinFPST SM select Remote I O Map Re
68. performed and completed at the moment when execution requirements are met and instructions are executed Access completed by one scan F152 RMRD Read data from advanced units on P1 52 PRIVIRD Remote slave systems eps Read data from shared memory of advanced unit installed on slave system and write in CPU unit Ladder Marks Mnemonic Marks ST X 0 10 H F152 RMRD 0 11 K 10 DT10 F152 RMRD S1 S2 n D BI 0 K 0 10 DT 10 Word operand memory area types that can be defined Processing unit word O Available Not available 10 to ID Constant Index Formula Description F152 RMRD Word operand containing control data 2 words Word operand or constant data that contains the initial address of special unit shared memory Word operand or constant data that contains the number of words to read m Initial word operand to save data read from CPU unit Operation Description First n words of data are read from the address assigned as S2 The data is stored in the shared memory of advanced unit on the Remote and Slave systems that are assigned as 51 S1 1 Then the data is stored starting from word operand assigned as D at CPU unit Assigning Each Item Control data S1 Assign Master unit no slave unit no and
69. power of all devices Prepare and install devices for master unit and each slave unit Bellows are examples of preparation procedure for 4 system types One master and 3 slaves Mounting master unit Master Unit 1 unit General 1 0 48 points Including master unit Slave Unit 2 Link Units Slave unit is mounted in CPU slot I 3slots 64 points 1 510 1slot 32 points 32 points jun owes Install each slave system at proper location As illustrated above 2 slave units are connected to 1 master unit which consists of a system that controls remote I O with 128 points Therefore this CPU unit controls total 176 points including general I O area 48 points and remote I O area 128 points ATTENTION 7 is incorrect error occurs power AN E34 Incorrect unit mounting on slave system E34 This unit cannot be mounted on slave system E34 The number of slots or I O points exceeds the permitted range Step Transmission Cable Wiring Wire each slave unit installed with twisted pair transmission cables Recommended for transmission cable Hitachi J KPEV S 1P x 0 5mm compatible twisted pair lt Use transmission cables not longer than the maximum transmission distance end station to end station of each path Connection Method Cable connection and grappling should be done in order starting from master
70. powers of all registered slave systems and master system is started in RUN mode Remote I O Allocation map Registration Slave Connection No Check Mode e Remote I O control starts on slave systems with power input at the moment of master system startup step above e Ifa slave system is registered in Remote I O Map but was not ON at the moment of master system startup it can be controlled after power is on itself Remote I O Allocation Non Registration Current Value MAP lt Remote I O control starts on slave systems with power input at the moment of master system startup step above Current value I O MAP In this case I O numbers of slave systems that are turned on later than master system are ignored which may lead to a malfunction Therefore make sure to start up the slave systems to be controlled by Remote I O before master system starts up This mode is recommended only for system set up When actually operating equipment make sure to register Remote I O allocation Map to control Registration I O Checking Remote I O System can be automatically allocated to an IJO No for slave systems currently running even when the user has not allocated I O No That is it is operated as Current value I O When power is on at master system COM LED on each slave unit flickers fast Check the LEDs f CPU unit PROG LED is flickering it means Remote I O allocation
71. r is allocated as follows Allocation starts from the highest word number already registered This word number is referred to as Base Word No Word unit setting Up to 4 master units can be mounted on 1 CPU unit They are called Master Network1 Master Network2 Master Network3 and Master Network4 starting from the master unit nearest to the CPU unit O numbers are allocated from the lowest to the highest Station No Station No is not necessarily allocated in the order of connection That is I O No is allocated not in order of connection but Station No Remote I O MAP Registration Remote System I O allocation as described on the right Q Current value Mode Auto Mode There are 3 methods of CurrentvaluevOMAP G Random allocation registration Mode Base word No is an initial value Slave system I O numbers available for each master network are as follows For initial value Memory area Jamod Master Network 1 640 95F Control over 512 points Master Network2 960 111F Control over 256 points Master Network 3 1120 119F Control over 128 points Master Network 4 1200 127F Control over 128 points 1 When using NX CPU750C NX CPU750D or N700a CPU up to 4 096 points for 1 master unit can be controlled If using 4 units up to 8 192 points Cautions for I O No Allocation for Each Slave System Station 1 Whe
72. r unit ALARM LED DES ON Is slave unit ALARM LED ON v To flowchart 1 when ALARM LED is ON To flowchart 2 when master unit is not operating normally Is master unit COMM LED flickering fast 0 2sec interval NO NO YES YES YES YES 1 Flowchart when ALARM LED is ON 6 ALARM LED ON Check with power on off Is it frequent If you have a spare unit replace the troubled one If the same condition continues after replacing contact us Considered as temporary condition caused by noise Try restarting the system and monitor the status for a while 2 Flowchart when master unit is not operating normally COM LED does not flicker fast 0 2sec interval Is COM LED OFF To flowchart 2 1 when master unit COM LED is OFF Is COM LED ON YES To flowchart 2 2 when master unit COM LED is ON Is COM LED flickering slowly NO 1sec interval gt Contact us Is master unit operation YES mode setting switch SW3 set to ON There is a communication error Check for errors broken cable slave system power OFF and check with 2 1 Flowchart when slave unit COM LED is OFF on the next page SW7 on N700 NO Contact us 2 1 Flowchart when COM LED is OFF 2 2
73. ransmission paths Using port I and II 1 Network for each The end stations are master unit Common for PORT I and II and slave unit PORT I and PORT Il Slave stations Total 32 stations MASTER UNIT including PORT I and II Only for N700 Master module Connection Pattern D 2 Transmission paths Using port and 1 2 Networks for each The end stations are slave units at each end of the transmission path MASTER UNIT Slave stations Total 32 stations Including port I port i Only for N700 Master module Connection 2 Transmission paths Using ports and 11 1 network for port and 2 Pattern E networks for port End stations for port are master unit and slave unit at the end for transmission path using port Il the two slave units at both ends MASTER UNIT NA N Slave stations Total 32 stations Including Port I port II Only for N700 Master module Connection 2 Transmission paths Using ports I and 2 networks for port and 1 Pattern F network for port Il End stations for port are slave units at both ends for transmission path using port Il master unit and slave unit at the other end MASTER UNIT Slave stations Total 32 stations Including Port I port II Connection Setting Procedure The following example describes the connection setting procedure when configuring new Remote I O system Preparation Turn off
74. rs are allocated differently according to the occupied I O points of installed I O and advanced units 7 See I O Number Allocation in Chapter 3 of each PLC system manual Allocation Example I e Master system I O allocation can be modified with WinFPST S W Master unit setting can also be changed from 16 points occupied gt to 0 point occupied OSE Empty slots can be set as 0 point occupied Changes in I O allocation of master units do not affect the I O allocation of slave units at all N700 PLC system configuration example is as illustrated below o N B ERR Master Network 1 l Slave range available 5 olo 01231331 640 to 95F 9 21212 E c 5542 52 5 3 2 2 8 98 89 Gig Gi eid asi Di gi a TEENS 1222 4 39 50 60 8 JS Tf NE Master Network 2 Base word No 64 Slave range available 960 to 111F640 to 95F Base word No 96 Expansion NEN MEN MEC mimimimi 3131313 51515101 8121214 BE nt P 11 1 1 1 9181812 4 9191919 Master Network 3 90 100 110 130 16F Slave I O range available ra E 1120to 119F 9F Base word No 112 o m N w S UIOCOT S UIOCOT J MOd Sjutrod9r Boh 8 Master Network 4 170 190 20 210 230 Slave I O range available Jo P Pd P J 1200 127F 18F 19F 20F 22F
75. rsonal injury or death property damage or economic loss Identifies information that is critical for successful IMPORTANT application and understanding of the product identifies information about practices or circumstances that can lead to minor personal injury property damage economic loss or product malfunction However depending on the situation failure to follow the directions accompanying this symbol may also lead to serious consequences Contents System Configuration and Specifications 9 Remote I O System 00 9 Remote I O System Specifications sse 11 Remote I O System Configuration 13 Transmission 16 Remote I O System Configuration 2 2 2224 17 External Diagram and Functions 19 Remote Master Unit RE n n RR 19 Remote Slave 22 Connection Method 25 Remote I O System Connection 25 Remote I O System Connection 26 Connection Setting 28 Remote System I O Allocation Map 39 Remote System 1 0 Allocation 39 Current Value I O Map and Reg
76. rt is for troubleshooting configurations of each station to see if they match the specifications and requirements for system setting Checking for slave unit connected to master network First check for each master unit Start checking Does the number slaves exceed 32 Does the number of I O units exceed 64 Note 1 Does the number of I O points exceed 1024 Do not use more than 32 units Consider using other master units for the remaining slots Do not use more than 64 units Consider using other master units for the remaining slots Do not use more than 1 024 points Note 2 For I O points the number of base words of each master area can be modified with WinFPST S W Note 3 The number is a total of the numbers of I O and I O link units on each station When using NX CPU750C CPU 750D or N700a CPU max 4 096 points can be used By default 256 to 512 points are setto use in each area Checking For The Overall Remote System With 1 CPU Unit Configuration Start checking Does the number o master units exceed 4 Do not use more than 4 units Does the number of I O units Do not use more than 128 units exceed 128 Does the number of I O points exceed 2048 Do not use more than 2 048 For I O points area for general I O can be limi
77. s selected Scan No Synchronization Mode Setting System register No 36 1 Operation When general I O scan finishes refresh starts on general I O even if slave system I O scan is still on going Remote I O refresh is performed at the moment of general I O refresh after slave system I O scan finished General I O scan lt Remote I O scan Slave system I O scan General I O scan L Scan time B I O refresh Remote I O scan L Standby time General I O scan Remote I O scan Scan Synchronization Mode Setting System register No 36 0 Operation General I O refresh and Remote 1 0 refresh begin at the time when both general I O and Remote I O scans finish When Remote I O scan takes a longer time the total scan time can be longer General I O scan lt Remote I O scan Slave system I O scan O Scan time I O refresh Standby time Note When Remote I O scan time is even shorter than general I O scan the refresh time is the same as that in Scan synchronization mode even if scan synchronization is selected General I O scan lt Remote I O scan Slave system I O scan Scan time I O refresh Standby time Remote System Functions Remote I O System provides the following functions e Remote I O control Shared memory access Remote programming function Shared memory access be used to read write to the shared memory of advanced u
78. shared memory of advanced unit Initial address S2 in the special unit shared memory Read the shared memory data and send it to CPU module Refer to the shared memory list of the special unit Ex When assigning address 2 write K2 Number of words to read n Assign K constant Ex When reading 10 words of data write K10 Flag Operation ON when index formula used exceeds memory area ON when control data is out of range ON when master unit does not exist ON when the data read exceeds D area Description on the Program on the Previous Page When is ON 10 words of data from address 0 to 9 on the Remote Slave system that are assigned by and DT1 is read and then stored in CPU unit DT10 to DT19 No5 lun JaMOd ct DTO H105 1 MASTR 1 Advanced Unit Shared memory CPU Unit Dr19 Control Data Setting S1 S1 1 Set Master Unit No and Slave Unit No as S1 and set the advanced unit slot No as S1 L is Upper byte 7 Lower byte 0 m SLAVE Unit No H01 H20 1 32 MASTER Unit No 1 4 1 4 15 Upper byte Lower byte o SS i Se HOO Slot No 00 0 31 Configuration Example of the Program on the Previous Page In the program example on the previous page when assigning Advanced unit mounted in slot 0 of Slave No 5 in the path of Master No 1 write program as follows X10
79. stablishment Standby Step Refer to Process 1 and 3 in the example Flowchart Set initial value setting condition to ON Y Set memory access starting condition to ON R9035 ON YES Execute memory write instruction R9035 ON YES OK to go to the next instruction Process 0 Process 1 Ar a Sea Execute memory read instruction i io R9035 ON Process 2 YES Turn Y 651 ON after the memory read instruction is finished next instruction Process 3 Ladder Program Example p Initial value setting condition HandShake contact R9010 For sending at X640 Y650 CH1 For receiving at X641 Y651 CH1 ro DTO F0 MV H1 DTU X1 R9035 k D Memory access start condition SSTP 0 Write data to shared memory X640 50 R9015 RO Process 0 f F153 execution X60 Y650 R1 Write 15 words of data from DT100 to shared memory RO address 1 r3 RM WT DT100 K15 K1 RO R100 Program for R100 facilitating HandShake R100 R1 R9035 Y650 execution Y650 R1 9035 H Psp 1 SSTP 1 Execution condition establishment standby R9035 R9015 Y641 step of the following shared memory access instruction D F NSTP 2 Go on to the next page Continued
80. start the Remote System Configure the master unit port setting correctly and restart the Remote System Only for N700 PLC Master unit Is the power input procedure correct NO Current value mode Follow correctly the power input procedure for master and slave unit Refer to Power Input Procedure Is the slave unit registered Contact us Contact us p Use registered slave unit 4 Flowchart when CPU unit does not run CPU unit does not run CPU unitis setto RUN NO mode Is CPU unit PROG LED NO Set the CPU unit to RUN mode flickering Is Remote I O Map registered Is slave station connection checking mode activated Are all registered slave NO Refer to Troubleshooting of N700 NX700 System Manual units operating Is transmission cable NO Start all registered slave systems connected correctly Contact us Connect the transmission cables correctly and restart 5 Flowchart when slave system I O is not available Slave system I O is not available Are Map settings correct Is program correct Is I O available on Link unit YES Slave unit Are I O units in other slots operating correctly There can be malfunctio
81. ster system to PROG mode wa eam when configuring with WinFPST SAW FEREN C 2h49 Ne REMOTE VO AR System Register List about Remote I O Control 27 CPU unit operation on Remote I O errors 0 0 Stop operation Transmission error circuit error 1 Continue operation 28 CPU unit operation on Slave system I O unit errors 0 Stop operation 1 Continue operation 35 Setting slave stations connection checking mode for 1 0 No check registered value I O MAP 1 Check 36 Remote I O refresh setting 0 oscan synchronization 1 No scan synchronization Remote I O Control on Errors Operation can be selected for Remote I O System errors There are two types of errors that occur during Remote I O control as follows Communication Error When communication fails between master and slave units due to slave system power off or broken transmission cable Communication error occurs Malfunction of Units Connected to Slave System When there is malfunction of I O or advanced units connected to slave system such as excessive load Malfunction of units on slave system occurs Those errors described above can be addressed by modifying settings of CPU unit system register and or master unit operation mode switch Configure settings of operations on both communication errors and unit malfunctions in a comprehensive Way System Register No 27 Operation on communication errors CPU unit
82. t Station No is Re configure the duplicate Station No duplicated and allocate I O Restart system after setting Station No There is an error the The2 units at both ends of 5 station settings transmission path as end stations 7 Transmission cables not Check if the transmission cables On correctly wired are correctly wired e Check the master unit ports This slave unit is not Restart after registration registered COM Station No settings exceed Set the Station No within the range On the range of 1 to 32 ALARM Slow flickering LED status when CPU unit is RUN mode with COM LED flickering are normal ERROR COM COM Normal On Fast Fast flickering lt gt flickering ERROR COM COM There is a malfunction on Replace with a normal unit Restart On Fast Fast units on slave system method differs depending on flickering flickering operation modes 1 lt gt There is the Set the 2 units at both ends of station settings Self transmission path as end stations a diagnosis code E51 ERROR COM COM This slave unit cannot Remove the cause of error such as On Fast Off establish communication broken transmission cables and flickering with master unit restart the master system Restart Communication error method differs depending on operation modes 1 COM T
83. t on the actual wiring Station No setting does not appear on the registered Map x In the case of 3 or 4 reset the Station No and reconnect the power Slave Station Connection No Check Mode Setting System register No 35 0 Operation Actual control starts on already running slave systems at the time when master system is powered on and in RUN mode Slave units registered on Remote I O Map can be controlled from the power input moment even when they are powered on later than master system power input Remote I O Refresh Timing During Remote I O control if refresh control processing is performed when both general I O master system I O scan and slave I O scan are finished scan synchronization remote I O scan can take more time and stanby time for general I O scan can increase where there are many slave units and controlled 1 0 points In such cases set Remote I O refresh to Scan no synchronization and general I O refresh is performed without waiting until I O scan on slave system finishes reducing the standby time of scanning Factory default is Scan synchronization CPU unit System register No 36 settings apply to this configuration Scan no synchronization mode can be effective when Remote scan takes even more time than general scan When slave system I O scan time is shorter than general scan time refresh is performed synchronized to general scan even when Scan no synchronization i
84. ted with WinFPST S W Note 5 When using NX CPU750C CPU750D or N700a CPU max 8 192 points can be used Up to 2 048 points are available including area for general I O and remote O When using NX CPU750C CPU750D or N700a CPU max 8 192 points can be used Transmission Cable e Twisted pair cable for instrumentation is recommended for use as transmission Number of pairs Cross section of conductor 0 5mm or more Isolation material Polyethylene thickness of 0 4mm or more e Recommended cables and guaranteed transmission distances are as follows Cable List LG Cables UL Style No 2919 24AWG Maximum 500m Maximum 300m LG Cables UL Style No 2092 SB 20AWG Maximum 400m Maximum 200m LG Cables UL Style No 2405 2C 28AWG Other recommendations Hitachi Cables J apan KPEV S 1P x 0 5mm Maximum 600m Maximum 300m Refer to Figure 1 below Hitachi Cables J KPEV S 1P x 125mm Maximum 700m Maximum 350m Recommended General cable VCTF Cable Not available Refer to Figure 2 below Figure 1 Twisted cable with shield Figure 2 VCTF cable General cable Conductor 5 Conductor shield External jacket Isolation External jacket Isolation material material Available Not available Compressed Terminal for Cables Make sure to use compressed terminal at the end of transmission cables If cable is directly connected to terminal block without compressed termina
85. th malfunctioning units I O operation continues 2 1 1 OFF Operation continues Operation stops 1 Set master units for NX 700 to SW3 master units for N700 to SW7 Descriptions on the 3 operation modes in the case of communication errors 1 O Operation stops e CPU unit System register No 28 0 Operation stop mode System register No 27 and master unit setting switch location make no difference Operation Description All I O operations are stopped COM LED of normal slave units connected is the same as LED status in normal operation flickering with 0 2 sec interval Output on slave system turns OFF Troubleshooting e Reconnect master system power after replacing the malfunctioned unit with normal one 2 O Operation Continues 1 CPU unit System register No 28 1 Operation continue mode e Master unit setting switch SW3 SW7 for N700 OFF Operation stop mode System register No 27 can be set to any location In addition when No 27 is setto O Master unit setting switch SW3 SW7 for N700 can be set to ON Operation Description O operations on slave and master system continue O operations on normal I O and advanced units continue even if the slave system has malfunctioned units Troubleshooting Reconnect CPU unit power after replacing the malfunctioned unit with normal one 3 O Operation Continues 2 Auto Recovery
86. to Y 76F CPU Unit Setting e Remote I O control operation can be configured by CPU unit system register settings parameter settings Configure the setting based on operation System register settings are backed up once they are configured System Register Items Related to Remote I O System No 27 CPU unit operation continues stops on communication errors CPU unit operation continues stops on system unit malfunctions Slave station connection check no check Valid only for I O Map registration No 36 Remote I O refresh timing No 28 No 35 Select Option bar on WinFPST top screen menu and select PLC System Register Setting P See the windows below Setting For Operation On PLC Malfunction WinFPST S W No 20 to No 28 sss 24545 See Remote I O Control on Errors in Chapter 5 for details on No 27 and No 28 Configuration Of Remote I O Settings WinFPST S W No 35 to No 36 See Remote System I O Allocation Map in Chapter 4 and Slave Station Connection Check Mode in Chapter 5 for details on No 35 setting See Remote I O Refresh Timing in Chapter 5 for details on No 36 setting Remote System I O Allocation Map Slave systems in remote system configuration are controlled with I O No like general system I O Remote system I O No allocation is referred to as Remote System I O Allocation Remote System I O Allocation Map Each slave system I O numbe
87. tomatic recovering 1 ON broken continues station after removing error causes 2 O Operation continues X Operation stops 1 Set master units for NX700 to SW3 master units for N700 to SW7 2 Slave systems unreachable can be controlled again after recovering from communication errors re wiring of cables or power input In case of communication errors Remote I O control is set to stop output on slave systems communicating is OFF It has no relations with slave unit operation mode setting switch SW3 retentive output non retenti ve output The following are descriptions on the 4 operation modes on communication errors when slave units are normally started 1 O Operation Stops 1 e CPU unit System register No 27 0 Operation stop mode Master unit setting switch SW3 SW7 for N700 OFF Operation stop mode Operation Description All I O operations are stopped On normal master unit the flickers slower than usual case 1sec interval which indicates communication errors Troubleshooting Reconnect master system power after removing the error causes broken transmission cables 2 O Operation Stops 2 CPU unit System register No 27 0 Operation stop mode Master unit setting switch SW3 SW7 for N700 ON Operation continue mode Operation Description All I O operations are stopped COM LED on master unit and slave unit are sam
88. unit Each station should be connected with wiring cables Connect positive side of RS 485 interface of each slave unit to positive side of another unit and negative to negative As illustrated below Connect terminal to one end of transmission cable shield wire and ground the terminal As illustrated below Transmission cable Transmission cable T oP 5 Shield F G F G Ms RS 485 Interface RS 485 Interface RS 485 Interface See Transmission Cable in Chapter 1 for details on max transmission distances e See Remote I O System Connection Pattern in Chapter for details on normal wiring Wiring Example Normal Case Slave I Master Slave II Master 111 This example O corresponds to SLAVE SLAVE SLAVE Connection Pattern B Abnormal Example Slave 1 Master Slave 11 Slave 111 X No branch line wiring is allowed Master Slave 1 Slave Il Slave 111 X No branch line wiring is allowed Step O Master Unit Setting Configure settings for master unit End Station Setting When the station is connected at the end of network transmission path set it as end station See Remote I O System Connection Pattern in Chapter for details on end station n the example in Step master unit is not an end station Consider that when setting end switch Setting e
89. ve Ladder Marks Mnemonic Marks ST X 10 H H F153 RMWT 001 F153 RWMT DT 0 DT 250 K 20 K 500 Word operand memory area types that can be defined Processing unit word O Available Not available 10 to ID Constant Index Description F153 RWMT K H f Formula Area containing control Initial word operand of 2 CPU unit that contains data to write Word operand or constant data that contains the number of words to write Word operand or constant data that contains the initial address of shared memory inside the advanced unit Operation Description On the CPU unit write n words of data starting from word operand assigned as S2 to the advanced unit shared memory on the slave system of Remote I O system from address assigned as D Assigning Each Item Control data S1 Assign Master unit no slave unit no and shared memory of advanced unit Initial address of special unit shared memory S2 Refer to the shared memory list of the special unit Ex When assigning address 2 write K2 Number of words to write n Assign K constant Ex When writing 10 words of data write K10 Flag Operation ON when index formula used exceeds memory area ON when control data is out of range ON when master unit does not exist

NX Remote I/O

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