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FP2 MEWNET-VE Link Unit Technical Manual, ARCT1F435E4

1. 2 10 6 10 5 Data Transfer Transmission Response Time Tor F145 SEND and F146 RECV instructions are used for data transfer process however a single data may be devided into multiple data depending on the transfer data size on the MEWNET VE link unit thus the message transmission time Tmsg deffers according to data transfer sizes With data transfer transmission is performed every two transmission cycles Base time Message transmission time Tmsg Transmission cycle time x 2 x Division No Data transfer transmission response time Tor Unit ms Data Message transfer transmi Division delay Scan time of io Base im size ssion time time each PLC words Tinsg _ Min Tprmin Ta Tsc Tsc2 2 5 Tikx 2 1 to 495 2 5 1 Max Tai Tsc Tsc2 X 2 5 2 Tptmax Tao 2 id _ Tai Min TDTmin Tsc Tsc2 4 8 TikX 4 496 to 48 2 Tao 1003 Max Tai Tsc T Tsc2 x 48 4 Tptmax 2 Min Totmin Ta Tsc Tsc2 7 3 Tikx 6 1004 to 73 3 Tao 1012 Max E Tai Tsc Tsc2 x Fe 7 3 Tuck 6 Tptmax Tao 2 The message trasmission time is the transmission time when data transfer is performed in the same hierarchy 10 7 10 6 Message Transmission Response Time Although various function are av
2. tori Unit No 1 PC link status monitoring flag R1000 Y1 YO Unit No 1 2 Y1 Unit No 10 Unit No 10 R1000 Y2 Hea Unit No 32 6 a PLC operation mode flag output R1160 una PLC operation mode flag AA ___ R1169 YA Y3 Unit No 1 9 IOS Y4 Unit No 10 Unit No 10 R117F gg f Unit No 32 15 PLC operation status flag output R1 vi Y6 PLC operation status flag a Y6 UnitNo t R1329 Y 18 _ lt Y7 Unit No 10 Unit No 10 R133F Y8 21 Unit No 32 Chapter 8 What to Do If an Error Occurs 8 1 LED Indication When an Error Occurs Various errors occurred on the MEWNET VE link unit are indicated with the operating monitor LEDs v Among these LEDs HER and RDY are the LEDs to indicate an error occurrence PER HER TX RX PER HER RDY LNK 12V VE FL RDY LNK VE FL State T LED of LED Description of error Off No error occurs There is an error in the setting of the MEWNET VE link unit Confirm On the setting again PER Setting At this time the PC link stops error An error on MEWTOCOL occurs when data transfer or remote Blinks programming is being performed Or an error that disables continuation of communication or a hardware error occurs Off No error occurs HER pm On An error that disables continuation of operation occurs on the
3. Has the message transmission area been specified correctly No Yes Has one of Message response done signal Message response error signal or Receive message error signal been specified Yes No Does the partner node to communicate operate correctly No Yes if you have a spare MEWNET VE link unit replace the malfunctioning unit with the spare one If the same problem occurs again please contact your dealer Check the flowchart for the case of error in the PC PLC link cyclic transmission and execute the PC PLC link correctly The FL net message transmission is available in the FL net mode Check the initial setting Check the procedure and transmitted contents when the message was sent Check the procedure and transmitted contents when the message was sent Check the error contents for the partner node and take corrective action Chapter 10 Transmission Time 10 1 Transmission Time and Transmission Response Time The MEWNET VE link unit supports the following communication functions PC PLC link Cyclic transmission VE mode FL net mode Data transfer VE mode Message transmission FL net mode Source PLC Destination PLC Transmission time by MEWNET VE link unit 0 Transmission response time The time taken until transmitted data is reflected on a destination PLC Whata is a transmission time This is the ti
4. Link Cyclic Transmission Function Does Not Work Properly Error occurs in PC PLC link cyclic transmission Has the cable been connected correctly In case of 10BASES has 12V power supply been connected and does 12V LED light up No Yes Does PERLED light up or blink Yes No Does VE LED or FL LED light up No Yes Does the destination No unit partner node work correctly Yes if you have a spare MEWNET VE link unit replace the malfunctioning unit with the spare one If the same problem occurs again please contact your dealer 9 4 Check the cable and power supply Check the error code in the error log and take corrective action The initial setting has not been specified Specify the setting correctly Check the error contents for the destination unit partner node and take corrective action Error occurs in data transmission Does PC PLC link 9 4 When Data Transfer Function Does Not Work Properly Check the flowchart for the case of error ne js A No in the PC PLC link cyclic transmission relay units in case of and execute the PC PLC link correctly ierarchy link Yes The data transfer funcation is available Yes Dae bee only in the VE mode Check the initial all setting No nn a No Check the contents of the data transfer executed correctly RUE Yes Has the path been No Check
5. terminal is connected to the external metal shells of the 10BASE5 AUI connector and 10BASE T connector and the F G terminal of the power supply unit Thighten the terminals certainly with tightening torque of 0 5 to 0 6 N m Use the cable of 0 5 to 2 5 mm AWG20 to 12 and peel a cable cover by 7 mm for use 7mm 2 2 l O Assignments For the MEWNET VE link unit 32 point input and 32 point output is assigned For those input and output the number of occupied points can be zero by specifying OSE with a programming tool MEWNET VE link unit o A m E 8 t o 8 FP2SH AUI d T 77 i 20 to 5F are occupied CPU unit ds P as X1F X20 to X3F WX2 WX3 Y40 to Y5F WY4 WY5 ne Note When performing the I O mounting assignments or Automatic assignments 16 point I O is automatically assignd in blank slots respectively With a 2 module type CPU unit check the I O area where the unit that is incorporated in the CPU unit occupies Chapter 3 Installation and Operation Check 3 1 Part Names and Functions 3 1 1 Measures Taken In Installation Environments The MEWNET VE link unit transceiver hub and communication cables shouldbe installed keeping a clearance of at least 100 m from power transmission line high voltage equipment power cables power equipment any equipment that would generate high switching surges and t
6. HO oT DT 12 04H Clear transparent R10 p 1 Trasmission request Li gt P151WRT H100 DTO K4 J Message transmission ee process Destination node F P151 WRT H100 DT12 v Ki H108 1 Jl Transparent R9010 transmission request H H F150 READ 100 DT100 WR10 J Always on Transparent message R9010 complete process H I LP151 WRT H100 DT KI H108 Clear transparent 6 22 6 3 9 Procedure for Receiving Transparent Message Process on ladder program Reception request signal Transparent message data Transparent message reception amp Process on the unit Reception complete signal Turn on reception request signal in request signal area of handshake signal area 2 When the transparent message sent from a partner node has been received transparent message information is stored in transparent message reception area and transparent message data is stored in transparent message reception buffer 3 Reception complete signal in complete signal area of handshake signal area is turned on 4 The contents of transparent message reception area and transparent message reception buffer are confirmed S Turn off reception request signal in request signal area of handshake signal area Reception complete signal in complete signal area of handshake signal area is tur
7. 2 The view of common memory is as follows 1 The functions are provided that enable to handle it as common memory between nodes that perform cyclic transmission 2 Two types of areas area 1 and area 2 are assigned to a single node 3 When the area to be sent by a single node exceeds the transmission size of a single frame i e 1024 bytes the data is transmitted by multiple frames 4 When the frame of the devided data in 3 is received the common memory is not updated until all the frames that come from a single node are completely received Thus the synchronism of node unit is assured 5 The capacity for the common memory prepared by the communication section of a single node is fixed at 8 5k words 8k bits 8k words 6 Both areas 1 and 2 can be specified in the range of the maximum area arbitrarily as the transmission area for a single node in the common memory 7 A function for sharing the same data over the entire system is provided by broadcasting data at a fixed cycle from each node Each node on the FL net shares the transmission area so as not to be mutually overlapped and perform data exchange In common memory operations the transmission area assigned to a certain node becomes the reception area of other nodes Common memory of node 01 Node 02 Node 03 _ Node 04 Receive Send LET DEB Lr nm EAE E Fig 5 5 13 Example of common memory area 1 of cyclic trans
8. 3 When message transmission has been performed and the response has been received the response information is stored in message reception data area _ The received network parameter is stored in network parameter storage area 4 After the storage of response information the bit 2 of message response complete signal or message response error signal message error signal in message information management area is turned on s Turn off the bit 2 of message request signal in message information management area 6 Turn on the bit 2 of message response complete signal or message response error signal message error signal in message information management area 7 The bit 2 of message response complete signal or message resaponse error signal message error signal in message information management area is turned off and message reception complete signal is also turned off 6 11 Sample program R9013 H H FO MV F Ft DMV F FO MV FO MV F FO MV FO MV FO MV R10 Message transmission 1 F151 WRT F F151 WRT R9010 R112 Read NP complete F151 WRT R112 R102 Read NP Read NP complete request H1 F151 WRT R9010 H H F17 SWAP F17 SWAP F17 SWAP F F17 SWAP r F17 SWAP 6 12 H F150 READ F150 READ H H F150 READ H 55 HO HO HO HO H4 HO H 1D00 H 1C00 H 1000
9. 07 20 1 00 1C00 1C00 DT J Destination node No DT 1 Virtual address DT3 Virtual size DT4 Response message DT5 Data size DT 10 Message type DT 11 Message clear A p DTO K6 HO 1 Destination node No DT 10 Ki H380 Message type H 380 Ki WR10 Message request H381 Ki WRAM J Message complete H6 Ki DT20 10 H7 loko 07 1000 DT11 K1 H380 J Message clear DT 10 Message type H EM E 1 K1 H384 J Message transmission area setting Message type setting Read word block 01H Message transmission process Monitoring message request signal message complete signal Obtains reception message size bytes Stores received messages in DT1000 Message reception complete process Request signal R100 Complete signal R110 Sample program of Write word block R9013 H HH Initial pulse on F Fi DMV F F0 MV F FO MV FO MV R9013 H HH F151 WRT Initial pulse on R9013 H HH FO MV Initial pulse on F F0 MV R10 Message transmission t1 gt F151 WRT F151 WRT R9010 Always on R111 H HH F151 WRT Write WB complete R111 R101 Write WB Write WB complete request t1 gt F151 WRT H H F150 READ F F150 READ H 55 H 2000 K 10 HO K 20 H 1D00 H2 HO H 1D00 H 1000 H 1000 H 1C00
10. It is used for broadcasting transmission of global addresses 4 Node number 0 For FL net inernal use This number cannot be used by the user FL net a Network address Node No Selectable in the range of 1 to 249 i Node No 250 to 254 for maintenance Fig 5 5 4 Number of connected units and node numbers 5 10 5 5 3 Types of Data Communications The FL net supports two types of data communications cyclic transmission and message transmission Cyclic data token Message 7 tes Cyclic transmission Cyclic transmission amp message transmission Fig 5 5 5 Types of FL net data communications 1 Cyclic transmission With cyclic transmission data is transmitted cyclically Each node can share data via common memory shared memory Node 2 a Node 2 e Node Node 2 Node 3 Node 3 Fig 5 5 6 Example of common memory and cyclic transmission 2 Message transmission With message transmission data is transmitted non cyclically Normally communication is performed to a specific node when a tranmission request is made Transmits messages from node 1 to 3 Transmits messages from node 6 to 4 Fig 5 5 7 Example of message transmission 5 11 5 5 4 Transmission Data Volume 1 Cyclic transmission The overall network has an area of 8 5k words 8k bits 0 5k words 8k words The maximum data volume that can be used per node is 8 5k words
11. The control data should be specified as an H constant The transmission unit transmission method and other parameters are specified with S1 and the remote station is specified with S1 1 141 1 ix Specifying the Specifying the transmission unit and remote station method 3 358 High level Instructions 1 Specifying word unit transmission If word unit transmission is being used the data for the specified number of words is sent from the memory area of the local station specified by S2 and is stored at the beginning of the memory area of the remote station specified by D and N If only the MEWNET H network is being used up to 1 020 words can be sent at one time and if the network is using the MEWNET P or MEWNET W up to 16 words can be sent at one time 15 11 7 4 0 51 Number of transmission words H001 to 1 to 1020 Specifies HO Example If 10 words of data are being sent K10 H000A should be specified in S1 2 Specifying bit unit transmission If bit unit transmission is being used the information of the specified bit in the memory area of the local station specified by S2 is sent to the specified bit of the memory area of the remote station specified by D and N 15 11 7 4 0 ys No of local station HO to HF 0 to 15 Specifies HO Bit No of remote station HO to HF 0 to 15 Specifies H8 AY il Example If the data of Bit No 15 of the local station memory a
12. Functions of various operation modes The followings are the various operation modes usable with the MEWNET VE link unit VE mode PC PLC link function Data transfer function Remote programming function Multilevel link function FL net mode Cyclic transmission function FL net message function Read write word block message Read network parameter message Read log message Clear log message Operate stop command Return message Transparent message gt 1 4 1 1 4 2 gt 1 4 3 1 4 4 1 4 1 1 4 5 1 4 1 PC PLC Link Cyclic Transmission Function Using the PC PLC link cyclic transmission function of the MEWNET VE enables the PLCs connected to the network to use each link unit and enables data sharing between those PLC PC PLC link Cyclic transmission i 1 i i i i i i 1 i i To other networks Support multiple PC PLC links cyclic transmission PC PLO link Cyclic transmission PLCs are connected to networks via the MEWNET VE link units link cyclic transmission connection Maximum number of connected link units VE mode Max 99 units FL net mode Max 254 units The memory area shared by each PLCs is set as the link areas in each link unit Support for multiple PC PLC links cyclic transmission Up to two MEWNET VE link units are connected to one PLC and each link unit can connect to a separate network e Link area The
13. Green VE link mode VE mode FL FL Green FL net mode FL net mode 2 Mode selector switches These switches are used to specify an operation of the unit and select a test mode Switch Off On oL TL TL 1 E Ed 2 3 Normal mode Test mode 4 Used for system Used for system Note The factory settings of all switches are set to off 2 10BASE5 AUI connector When using a 10BASE5 system for Ethernet this connector is used to connect the MEWNET VE link unit and a transceiver with a transceiver cable Pin No Signal name Pin No Signal name 1 Signal shield 9 COL 2 COL 10 TX 3 TX 11 Signal shield 4 Signal shield 12 RX 5 RX 13 12VDC 6 GND 14 Power supply shield 7 Not used 15 Not used 8 Signal shield Shell 4 100BASE TX 10BASE T connector RJ45 When using a 10BASE T system for Ethernet this connector is used to connect the MEWNET VE link unit and a hub with a UTP cable 8 Pin No Signal name Pin No Signal name 1 TX 5 Not used T 2 TX 6 RX 3 RX 7 Not used 1 4 Not used 8 Not used 5 External power supply terminal for 10BASE5 12 V DC When using a 10BASE5 system for Ethernet this connector is used to supply power to the transceiver This terminal is not used when using a 10BASE T system Pin No Signal name 1 12VDC 2 GND 3 F G The
14. H 1C00 DTO Destination node No DT 1 Virtual address DT 3 Virtual size DT4 Response message DT 5 Data size DT40 K10 DT 10 Message type DT 11 Message clear DTO K6 Destination node No DT 10 Message type H 380 K1 H 381 Ki DT 11 KI DT 10 Ki Message type H6 HO 1 H380 WR10 Message request WR 11 Message complete H 380 4 ET A E 9 5 1 H384 Message transmission area setting Transmission data size 10 words 20 bytes Stores transmission messages from DT400 in transmission data area Message type setting Write word block 02H Message transmission process Monitoring message request signal message complete signal Message reception complete process Request signal R101 Complete signal R111 Sample program of Return message complete request FI F151 WRT H1C00 DT 10 Message request 6 10 K1 H6 1 R9013 H HH FO MV H55 DTO Initial pulse Destination node No on F F1 DMV H0 DTI Virtual address R FO MV HO DT3 Virtual size F0 MV i HO DT4 1 Response message F FO MV K100 DTS Data size R9013 H H F151 WRT H 1D00 DT 1000 K 50 Initial pulse on R9013 H HH FO MV H100 DT10 Initial pulse Message type on F FO MV H0 DTI Mess
15. R9044 COM1 R904A COMO is on 0 Execution inhibited SEND RECV instruction being executed 1 Execution enabled 0 Execution inhibited SEND REOV instruction being executed 1 Execution enabled The SEND instruction only requests that the data be sent but the actual processing takes place when the ED instruction is executed The SEND RECV execution end flag R9045 COM1 R904B COM can be used to check whether or not the transmission has been completed R9045 0 Completed normally COM1 1 Completed with error The error code is stored in DT90124 DT90124 If the transmission has been completed with an error R9045 is on the contents of the error error COM1 code are stored R904B 0 Completed normally COM2 1 Completed with error The error code is stored in DT90125 DT90125 If the transmission has been completed with an error R904B is on the contents of the error error COM2 code are stored 3 368 FP FP X High level Instructions For information on the contents of error codes refer to the manual If the error code is H73 a communication time out error has occurred The time out time can be changed within a range of 10 0 ms to 81 9 seconds in units of 2 5 ms using the setting of system register 32 The default value is set to 10 seconds Time out Waiting for response The F145 or F146 instruction cannot be executed if the target is a special internal relay from R9
16. RDY lights on LNK blinks PER lights on RDY lights on LNK lights on None PER lights on RDY lights on LNK lights on VE blinks PER lights on RDY lights on LNK lights on VE lights on Network errors Log mode 1 These errors occur in communication pathway Thse errors will be automatically restored once communication is performable and communication will be restarted Error pe LED ts Description Steps to take ae tion to code indication AOO6H Ethernet cable disconnection Once Ethernet p communication is E performable they will be A007H Ethernet transmission error 3 RDY blinks None automatically restored AOO8H Ethernet reception error and communicatign will be restarted Link errors Log mode 2 These errors occur in the PC link Error LED Description Steps to take SEN tion to code indication CPU unit BOO4H Token hold timeout PER blinks R9055 BOO5H Abandon of received message RDY lights on to R9057 BOO6H Abandon of received cyclic data LNK lights off ON Chapter 9 Troubleshooting 9 1 Main Flowchart The following is the flowchart of the procedure for identifying the fault and for the measures when an error occurs with the MEWNET VE link unit When an error occurs check the states of the error occurrence of the home unit and destination units including the relay uni
17. message response complete signal or message response error signal message error signal in message information management area is turned on Turn off the bit 6 of message request signal in message information management area Turn on the bit 6 of message response complete signal or message response error signal message error signal in message information management area 7 The bit 6 of message response complete signal or message resaponse error signal message error signal in message information management area is turned off and message reception complete signal is also turned off 6 18 Sample program R9013 H H FOMV F1 DMV F FO MV FO MV F F0 MV FO MV FO MV R10 Message transmission 1 gt F151 WRT F151 WRT R9010 R116 Read log complete F P151 WRT R116 R106 Read log Read log complete request t1 gt F151 WRT H H F150 READ F150 READ H H F150 READ 55 HO HO HO H 20 HO H 1D00 H 1000 H 1000 H 1000 1 00 1C00 1C00 g g Destination node No DT 1 Virtual address DT 3 Virtual size DT 4 Message type DT5 Data size DT 10 Message request DT 11 Message clear H ory M DTO Destination node No DT 10 K1 H 3
18. to the farthest node Fig 5 4 2 shows an example when using a repeater with the 100BASES system and the maximum distance is 2500 m to the farthest node As for the 10BASES the segmetns that the node can be connected are up to 3 segments amont 5 segments As for the rest of 2 segments only repeaters can be connected They are called link segments Link segment 1 i Link segment 2 Segment C The part surrounded by a dotted line is regarded as one repeater Repeater n Node Terminator Link segment 3 Fig 5 4 2 Standard connections of 10BASE5 system With repeater Max distance2 500m a Note The link segment is up to 500 m Up to 5 segments 4 repeaters are available to the farthest node however the segmetns that the node can be connected are up to 3 segments The following is the parameters on the system configuration Fig 5 4 1 General specifications on the system configuration of Ethernet Item Specifications Segment total length 500m Max number of mounted transceivers in 100 units segments Max distance between nodes 2500 m or less excluding transceiver cable Max number of nodes 254 units Max length of transceiver cable AUI cable 50m Cable length betweeen transceiver repeaters 2 m or less recommended value Max number of repeaters in the pathways 2 units however the link segment is considered as between nodes one re
19. 0 1 Not Used 0 2 Not Used 0 2 Not Used 0 m 3 Not Used 0 3 Not Used 0 4 Not Used 0 4 Not Used 0 6 Not Used 0 m 5 Not Used 0 7 Not Used 0 Not Used 0 8 Not Used 0 8 Not Used 0 9 Not Used 0 9 Not Used 0 10 WL 10 10 0000 10 LD 100 100 00064 11 Not Used 0 11 Not Used 0 12 Not Used 0 12 Not Used 0 13 Not Used 0 13 Not Used 0 mE 14 Not Used 0 14 Not Used 0 15 WL 20 10 00014H 15 LD 200 100 000C8H 16 Not Used 0 16 Not Used 0 Select a unit number and double click on it The following dialog box is displayed Relay link transmission Data link transmission Relay Link Setting Data Link Settine Unit No 1 Device Type WL UntNo 1 Device Type LD Contents r Contents Head Address Head Address Cancel Words 10 5121 Words 0 8182 tee Set Numbers 1 991 Set Numbers 1 1 991 Device type The device that is specified in the link area is indicated Unused Use Select Use Head address Set a head number of relay link transmission to be assigned to the set unit Words Sets the data size to be sent from the transmission head number of the set unit Set numbers Automatically sets the current settings to consecutive units of the entered set numbers Common address It is referred in the FL net mode only Repeat the above procedure to carry out the PC PLC link assignments of each unit 7 6 7 3 4 Setting Home Unit Number Using
20. 1 4 3 Remote Programming Function 1 4 4 Multilevel Link Function 1 4 5 FL net Message Function 1 5 Restrictions on Unit 1 5 1 Restrictions on Current Consumption 1 5 2 Restrictions on Installation Position 1 5 3 Restrictions on Combination With Multi wire Link Unit SPECIFICATIONS AND FUNCTIONS 2 1 Part Names and Functions 2 1 1 Part Names and Functions 2 2 I O Assignments INSTALLATION AND OPERATION CHECK 3 1 Part Names and Functions 3 1 1 Measures Taken In Installation Environments 3 1 2 Installation of LAN Cables and Devices 3 2 LAN Cable 10BASE T Connections 3 2 1 10BASE T Connections 3 2 2 UTP Cable 3 2 3 External Power Supply Terminal 3 2 4 Grounding 3 3 LAN Cable 10BASE5 AUI Connections 2 1 2 2 2 2 2 4 3 1 3 3 1 10BASE5 AUI Connections 3 3 2 Transceiver and Transceiver Cable 3 3 3 External Power Supply Terminal Connections 3 3 4 Grounding 3 4 Operation Check for Unit Test Mode 3 4 1 Running Test Modes 3 4 2 Contents of Test Modes VE MODE 4 1 Overview of VE Mode 4 2 PC PLC Link Function 4 2 1 Overview of PC PLC Link 4 2 2 Link Area 4 2 3 Monitor 4 2 4 Examples of PC PLC Link Operation 4 2 5 Precautions for Using PC PLC Link 4 3 Data Transfer Function 4 3 1 About Data Transfer Function 4 3 2 Precautions for Using Data Transfer Function 4 3 3 Usable Commands and Functions 4 4 Remote Programming Function 4 4 1 Overview of Remote Programming Function 4 4 2 Setting of Remote Pro
21. Clear Data Head No Usable regsiters are WL WR LD DT and FL Words Relay link 0 to 512 Data link 0 to 8192 Clear Data Sets the statuses of PC PLC link area for the case that the PC PLC link of other units or home unit stops Check box Description When the PC PLC link The relay data link area assinged to the stopped unit is Checked of another unit stops cleared 0 When the PC PLC link All the relay data link areas other than the one assigned of home unit stops to the home unit are cleared 0 Unchecked No matter which unit s PC PLC link stops the data of all relay link areas is held Note When 0 has been set to both head number and words the relay data link area is not assigned Note that the area size number of words specified in other units should be the same 40 Reference 4 2 5 Precautions for Using PC PLC Link 7 3 3 Assigning Link Area of Each Unit In the assigned area of CPU sets the areas where each unit uses for the PC PLC link transmission area of home unit Link areas of each unit are set on all unit numbers participating in the network however the home unit number must be specified There are two types of settings relay link transmission area and data link transmission area Area 1 Area 2 Relay Link Areal Data Link Areal Common 1 Common 2 Unit No Head Address Words peras Unit No Head Address Words Kanes 1 Not Used
22. How is FL net IP Network address 192 168 250 Host number node number 1 to 254 address set However the node numbers of 250 to 254 are reserved for maintenance tools What is the We epu There is a certification authority to carry out the compatibility test and 13 conectivity test for FL net For the devices that passed those tests the connectivity of FL net compatible devices certifications are issued which assure the safe use 5 4 About Ethernet 5 4 1 10BASE5 System The basic configuration is composed of the coaxial cable up to 500 m and the nodes to be connected to it as Fig 5 4 1 The nodes are connected to the coaxial cable via a transceiver cable AUI cable and transceiver There are two types of transceivers which are the single port transceiver that connects only one transceiver cable cable and the multi port transceiver that connects more than one cable This basic configuraiton is called a segment and number of nodes in one segment is up to 100 units Max 500 m j D bob Coaxialcable n Node a Transceiver cable AUI cable SS Single port transceiver CH Terminator I Multi port transceiver Fig 5 4 1 Standard connections of 10BASE5 system No repeater Max distance 500m If the length between nodes exceeds 500 m a repeater should be connected to add segments on branches as Fig 5 4 2 The restrictions on Ethernet is 5 segments 4 repeaters
23. L 140 Error Remark Size 5000P Rest 5000 P Advn Err Clear Error PLC Connection PLC Type FP2SH 60K Station Home Verifi Err Version 1 54 ScanTime 1 1 msec Condition Normal Min 0 5 msec PLC Mode REMOTE RUN Max 2 3 msec PLC Error Flag PLC Mode Flag PC link Self 140 Verfi RUN Mode DLIT Refresh Volt Dip 0 BatteyEn TESTMode 0 STEPRUN BM 170 Error Hold Break Mode Message VE link Advance Unit Ope Err Break Enable 3 Remote Force flaq External El Operation Err Help Self Diagnosis Error Message Eror Code 0 Click VE link The Slot Select dialog box is displayed Slot Select Please select the slot number Select the slot number that the MEWNET VE link unit has been mounted and click OK The MEWNET VE link monitor dialog box is displayed 7 13 In case of VE mode PC PLC link MEWNET VE Link Monitor Select C 41 80 C 81 99 Link ON PLC RUN PLC Status Link ON PLC RUN PLC Status Changes the range of the monitored unit numbers to be displayed on the monitor display 1 to 99 Indicates the operation status of upper layer CPU unit of each unit Link ON When lights on Green Participating in PC PLC link When lights off Not participating in PC PLC link Indicates the operation status of upper layer CPU unit of each unit When lights on Green PCL is i
24. The definition of each bit is the same as one for Message request signal The send receive processing will be completed by turning on the prescribed bit of this signal The message response complete signal message 384H Message reception error signaland message response error signal will be 00H complete signal automatically off by turning on this signal and then this signal will be also off The definition of each bit is the same as one for Message request signal Read home node 385H LoG request signal oor Read home node 3886H LoG complete signal Qo prs Do not write any data in this area 13 5 13 1 8 Message Transmission Data Area Bank 1DH Address Name Description Default The node number of the partner node that the Request partner message request is made on is specified 000H node number However only whn requesting for clearing log data 00H 1 to 254 the request is made on all the nodes on the network collectively by specifying 255 for the node number When requesting for reading or writing a work block the target address of the common memory area 2 is specified in words 001H Table of vitual addresses and CPU data memory types 00H Virtual address CPU unit Head Data memroy type Virtual address OH WX 800H WY 1000H WR 1800H m 002H 2000H DT 00H A000H LD 12000H FL 32
25. Use the FPWIN GR for the connection procedure Confirm the online edit mode Select Specify Station No from the Online menu The following dialog is shown Specify station No dialog Network Setting Untitlel Network selection Station home CNET Route 1 MEWNET ET LAN C Route 2 MEWNET ET LAN Route 3 MEWNET ET LAN C MEWNET H CPU C MEWNET H Link Unit Station No 1 63 Refer other networks setting Cancel Network selection Confirm the MEWNET VE link unit is mounted and select the route 1 2 or 3 Station No Select the unit number of the system to be connected 3 Key Point About route numbers Route numbers are used to distinguish the units when multiple link related units are installed on a backplane and they are assigned automatically Units that route number are specified MEWNET VE link unit ET LAN unit Multi wire link unit Computer communication unit Multi communication unit Note I O units and high functional units are not included in this Route The units are numbered Route No 1 Route No 2 and Route No 3 in sequence from the unit closest to the CPU unit Example Route No 1 The range of the route numbers is 1 to 3 The numbers larger than 3 cannot be specified 4 10 Example of route number setting Selected network Route1 MEWNET ET LAN Station number 5
26. Write word block message Writes data in word unit 16 bitwise address to the virtual address space that a partner node has 32 bit address space from netwoks Read network parameter message Reads the network parameter information of a partner node from networks Read log data message Reads the log information of a partner node from networks Clear log data message Clears the log information of a partner node from networks Operate stop command Remotely operate stops the operation of the equipment connected to the FL net from netwoks Return message Sends back the received message data and performs a test for the message communication of equipment Transparent message Informs a reception message to the FL net upper hierarchy The message is informed to the user interface level form the FL net upper hierarchy as it is In case it is informed to the user interface level it si necessary to create and return a response Also a peculiar service may be provided for the transparent message according to the quipment to be used 2 Reference lt 5 5 9 Message transmission gt 1 5 Restrictions on Unit 1 5 1 Restrictions on Current Consumption When the system is configured the other units being used should be taken into consideration and a power supply unit with a sufficient capacity should be used Name Part No Product No Current consumption at 5 V DC 2 MEWNET VE link unit FP2 VE AFP27960 670 mA FP2 MEW
27. block 4 Write word block This is a message function for writing data in word unit 1 address 16 bit unit from the network to the virtual address space 32 bit address space held by a partner node Note that the internal address map differs according to the FL net unit to be used Request message Response message 16bits gt 16 Virtual address space Physical memory Fig 5 5 21 Write word block 5 Read network parameter This is a function for reading network parameter information of the partner node from the network Request message Response message Manufacturer type Area 1 start address Area 1 size Node name name of facilities Area 2 start address Area 2 size Token monitoring type Min allowable frame interval FA link state Protocol type Upper layer state Allowable refresh cycle time setting value Refresh cycle measurement value current value Network parameters Fig 5 5 22 Read network parameter 6 Operate Stop command This is a function for remotely operate stop the operation of devices connected to the FL net from the network Request message Response message Operate command Request message Response message Stop command Fig 5 5 24 Operate stop command 5 20 7 Read profile This is a function for reading system parameters in a device profile that is the infromation of a partner node from
28. by the system bit00 Reception request signal 00H bitO1 bit02 Transmission request signal 108H Request signal area bit03 12 Reserved by the system 00H 109H bit13 ERRLED light off signal bit14 FL net log request signal bit15 Error log request signal bit16 31 Reserved by the system Note Do not write any data in blank areas 13 1 3 Transparent message setting Area Bank 01H Address Name Description Default Specify the partner node number that transparent 010H Transmission partner messages are sent to 1 to 254 00H node number If specifying 255 for the node number messages are sent to all the connected nodes 011H Transmission request Specify the TCD of transparent messages 10000 to 00H TCD 59999 012H Ttransmission Specify the message size stored in the transparent 00H request data size message transmission buffer area in bytes a by the Do not write any data in this area 13 3 13 1 4 Handshake Signal Area Bank 01H Address Name Description Default 020H Reception message The TCD of the received transparent message is 00H TCD stored Reception message The communication method of the received message 021H Communication is stored 00H method OH 1 1 communiation 1H 1 N communication 022H Reception message Nord number that the message is sent to 00H The data size of the rece
29. common memory area 2 ee obtained the network parameter is stored 00H ER The size in the common memory area 2 of the node OBBH Data size in common that obtained the entwork parameter is stored in 00H memory area 2 words I 2 OBCH Cyclic transmission time Y u a Min allowable frame interval 0 to 50 ms 00H Token monitoring time 0 to 255 ms The state of cyclic transmission of the node that obtained the network parameter is indicated Tr Protocol version x Cyclic transmission status flag Cyclic transmission state flag i 7 6 5 4 3 2 1 0 bi OBDH State of cyclic Le 5 1 00H transmission Reserved by the system Upper layer operation signal error flag Cannot confirm the update of the existing signal in the upper layer Common memory data enabled flag Cyclic data is valid Common memory setting complete flag The setting for the common area of nodes has completed Address overlap detect flag The settings for the common memory of the nodes connected to the network are overlapped The state of the upper layer of the node that obtained the network parameter is stored nsnansnaimiore 8 71615 4 3 2 1 0 b i Upper layer error code defined in the upper layer OBEH State of upper layer Reserved by the system 00H WARNING 0 No error ALARM 0 No error RUN STOP 0 STOP PROG mode Refresh cycle allowable OBFH time ms 00H Refresh cycle allowable time measurement value 00H Current value ms Refresh cycle allowable 0C1H time
30. common memory from being overlapped specify for all the nodes of FL net compatible devices in the network Area 1 Area 2 Relay Link Areal Data Link Areal Unit No Head Address Words en Unit No Head Address Words 1 Not Used 0 1 Not Used 0 2 Not Used 0 2 Not Used 0 3 Not Used 0 3 Not Used 0 4 Not Used 0 4 Not Used 0 Not Used 0 Not Used 0 7 Not Used 0 7 Not Used 0 8 Not Used 0 8 Not Used 0 9 Not Used 0 9 Not Used 0 10 WL 10 10 0000 10 LD 100 100 00064H 11 Not Used 0 11 Not Used 0 12 Not Used 0 E 12 Not Used 0 13 Not Used 0 13 Not Used 0 14 Not Used 0 14 Not Used 0 15 WL 20 10 00014H 15 LD 200 100 D00C8H 16 Not Used 0 16 Not Used Select a node number double click on it The following dialog box is displayed Relay link transmission Area 1 Data link transmission Area 2 Relay Link Settine 1 Device Type WL 1 Device Type LD Contents Contents Head Address Cancel Head Address Cancel Words 10 512 te Words 10 8192 He Set Numbers 1 93 Set Numbers 11 991 Device type The device that is specified in the link area is indicated Unused Use Select Use Head address Set a head number of relay link transmission to be assigned to the set node Words Sets the data size to be sent from the transmission head number of the set node Set numbers Automatically sets the current settings to consecutive nodes
31. details of signals used for message transmission procedures lt 13 1 7 Message Information Management Area Bank 1CH gt 6 3 2 Procedures for Transmitting Read Write Word Block and Return Message Messages Process on ladder program Transmission message data Message transmission request signal x Message transmission Message reception complete signal Process on the unit Response message data KO as Response reception Message response complete signal Message response error signal Procedure for transmissing Read word block Q Set necessary information in message transmission data area 2 Turn on the bit 0 of message request signal in message information management area 3 When message transmission has been performed and the response has been received the response information is stored in message reception data area The received response data is stored in response message data in message reception data area 4 After the storage of response information the bit 0 of message response complete signal or message response error signal message error signal in message information management area is turned on s Turn off the bit 0 of message request signal in message information management area 6 Turn on the bit 0 of message response complete signal or message response error signal message error signal in message information
32. inerval enables the refresh cycle time to be specified 3 Specified tokens are sent after cyclic data transmission 4 At start up tokens are sent from the node with the smallest number 5 If tokens are not sent in the fixed time the next node sends the token 6 Due to the masterless token system the network will never shut down een if some nodes fail 7 The operation status of other nodes can be confirmed by using management tables that contain information such as operation mode RUN STOP or hardware error ALARM 4 FL net IP addresses The IP addresses of each node in the FL net should be set individually using Class C An IP address is the address that points a specific node station when performing IP internet protocol based transmission Therefore set and manage unique IP addresses to prevent them from being duplicated Class C IP addresses are used with the FL net The default FL net IP address is 192 168 250 The section of is node number Network address park FL net IP address 192 168 250 n 1 to 254 Fig 5 5 3 FL net IP address 5 5 2 Number of Connected Units and Node Numbers The maximum number of connected units is 254 Node numbers are specified within the range of 1 to 254 1 Node number 1 to 249 For regular FL net devices 2 Node number 250 to 254 For FL net maintenance 3 Node number 250 For FL net internal use This number cannot be used by the user
33. measurement value 00H Max value ms Refresh cycle allowable 0C2H time measurement value 00H 13 8 High level Instructions mum e Sends data to another station through link modules in the network Outline Program example Ladder Diagram ae gt Address Instruction Trigger 10 ST R 0 11 F145 SEND RO DT 10 10 F145 SEND DT10 DT20 DT 0 K 100 DT 20 51 S2 D N K 100 S1 Starting 16 bit area for storing control data S2 Starting 16 bit area for storing source data data area at the local station D Type of destination operands for storing data in the remote station Be sure to select the area by setting address O destination data area at another station Starting 16 bit area address for the destination operand specified in D above destination data area in another station Operands Index Operand Timer Counter Register register Constant Index K H modifier A Available N A Not Available Explanation of example D Example of word unit transmission When the control data is as follows DT1 0 S1 H0005 K5 Word unit E id 5 words DT11 S1 1 H010A m Unit No 10 Route No 1 the 5 words of data from DT20 to DT24 are sent to DT100 to DT104 of unit No 10 which is connected to route No 1 when the execution condition trigger RO turns on 3 356 High le
34. operation The PC PLC link communication is to share data between each link unit by handing a token right of transmission sequentially and sending each link area Only the unit that is holding a token can perform transmission The transmission cycle time is a time of one cycle taken until a token has been circulated to all units Once the transmission condition is met on the unit that is holding a token it will hand the token to a unit with the next unit number after sending the link information or message of home unit According to this procedure the token is sequentially handed to each unit and ciruclated to all units M Note Even if the transmission condition is met on a unit that is not holding a token transmission is not performed at the time This unit cannot perform transmission until it receives the token in the next cycle Unit No 1 UnitNo 2 Unit No 3 Unit No n Handing a token between MEWNET VE link units One transmission cycle Transmission time of each unit Relation between each communication of MEWNET VE link unit and transmission cycle Communication method Operation mode Relation with transmission cycle PC PLC link VE mode Communication is performed every transmission cycle However the data in PLCs depend on Cyclic transmission FL net mode transfer data sizes number of connected units and the scan time of CPU units Transmission is performed when the home unit is holding a token acc
35. performed by the home node management table participating node management table and network management table 1 Home node management table The settings of the home node is managed in this table Table 5 5 1 Home node management table Name Byte length Description Data range Node number 1 byte 1 to 254 Area 1 data head address in common 2 bytes Word address 0 to 164200 memory Area 1 data size in common memory 2 bytes Size 0 to 16 200 Area 2 data head address in common 2 bytes Word address 0 to 16 2000 memory Area 2 data size in common memory 2 bytes Size 0 to 16 2000 Upper layer status 2 bytes RUN STOP ALARM WARNING NORMAL Token monitoring time 1 byte 1 ms unit 1 to 255 Min allowable frame interval 1 byte 1 us unit 0 to 50 Vendor name 10 bytes Name of vendor Manufacturer type 10 btyes Type of manufacturer name of device Node name name of facilities 10 bytes Name of node according to user setting Protocol type 1 byte Fixed at 16280 FA link status 1 byte Participating offline etc Home node status 1 byte Detection of overlapping node number etc 2 Participating node management table The information relating to nodes that are participating in the network is managed in this table Table 5 5 2 Participating node management table Name Byte length Description Data range Node number 1 byte 1 to 254
36. reception data of the transparent message is 200H transparent message 00H stored 1024 bytes 13 4 13 1 7 Message Information Management Area Bank 1CH Address Name Description Default Turn on a prescribed bit in this area for performing message communication After turning on the message request signal turn it off when the completion of the message or an error has been detected sf al sf 2 11J10 9 8 7 6 5 4 3 2 1 Jo bit Read word block request 380H Message request bit Write word block request 00H signal bit2 Read network parameter request bit3 Operate request bit4 Stop request bitb Read profile request bit6 Read log data request bit7 Clear log data request bit8 Return message bit9 15 Reserved by the system The prescribed bit in this area will be on when the 381H Message response message transmission is perfomred correctly 00H complete signal The definition of each bit is the same as one for Message request signal The prescribed bit in this area will be on when an error response is returned from the partner node after the 382H Message error signal message transmission 00H The definition of each bit is the same as one for Message request signal The prescribed bit in this area will be on when no response is returned from the partner node after the 383H ee message transmission 00H error signal 3 T
37. stored 00H Data format Integer 007H YEAR Year of REVDATE of device profile is stored 00H Data format Ineger 008H MONTH Month of REVDATE of device profile is stored 00H Data format Ineger 009H DAY Day of REVDATE of device profile is stored 00H Data format Ineger 00AH to DVCATEGORY DVCATEGORY of device profile is stored 00H 022H 50 bytes Data format PrintableString 023H to VENDER of device profile is stored 03BH VENDER Data format PrintableString OOH to DVMODEL DVMODEL of device profile is stored 00H 054H 50 bytes Data format PrintableString o ee All data of device profile are stored 00H 13 7 13 1 11 Network Parameter Storage Area Bank 19H Min value ms Address Name Description Default 0 8 Reseponse type and Wo TIN Response message type 00H node number 00H Normal 01H Error 02H Not installed Request source node OA9H to 04DH Node name 00H OAEH to OB2H Vendor name 00H to 0B7H Manufacturer type 00H The address in the common memory area 1 of the Head address in 0B8H common memory area 1 essen obtained the network parameter is stored 00H ao The size in the common memory area 1 of the node OB9H Dara cic n common that obtained the entwork parameter is stored in 00H memory area 1 words The address in the common memory area 2 of the Head address in OBAH
38. the control data of the data specified correctly transfer instruction Yes Does the partner No Check the error contents for the node to communicate operate correctly Yes partner node and take corrective action if you have a spare MEWNET VE link unit replace the malfunctioning unit with the spare one If the same problem occurs again please contact your dealer 9 5 When Remote Programming Function Does Not Work Properly if you have a spare MEWNET VE link Error occurs in remote programming function Does link communication perform properly Yes Does VE LED light up No Has the route number been specified correctly Yes Has the destination unit number been specified correctly Yes unit replace the malfunctioning unit with the spare one If the same problem occurs again please contact your dealer No Yes No No Check the flowchart for the case of error in the PC PLC link cyclic transmission and execute the PC PLC link correctly The remote programming funcation is available only in the VE mode Check the initial setting Specify the correct route number Specify the correct unit number 9 6 When FL net Message Transmission Function Does Not Work Properly Error occurs in message transmission Does cyclic transmission perform properly No Yes Does FLLED No light up No
39. the network System parameters have the following parameter information Common parameters mandatory Device unique parameters arbitrary Request message Response message Common parameters Device unique parameters System parameters Remarks For the details of the device profile refer to Chater 9 Fig 5 5 25 Read profile 8 Read log data This is a function for reading the log information on a partner node from the network Request message Response message Log data Fig 5 5 26 Read log data 5 21 9 Clear log data This is a function for clearing the log infromation on a partner node from the network Request message Response message Log data Fig 5 5 27 Clear log data 10 Return message This service is used to send back the received message data and execute a test for the message communication between devices Request message Response message Fig 5 5 28 Return message 5 22 11 Transparent message This is a function for providing a transparent service to the FL net upper layer This service notifies the FL net upper layer of a received message The FL net upper layer that receives the notification notifies the user interface level as it is If the user interface level is notified the corresponding response should be created and returned Also a unique service to transparent messages may be provided depending on the equipment in use For details chec
40. the same mode different mode Participated in the link of FL net Ver 1 Message communication errors Log mode 3 These are the errors related to message communication In the VE mode they are the errors to be occurred when using the data transfer function or remote programming function When the errors occur the contents will be stored in the special internal relay and special data register in the CPU unit Error s LED atre Description Steps to take NH tion to code indication CPU unit 28H is 8118H MEWTOCOL transmission error Mrd bap and stored in gain DT90039 Mode error MEWTOCOL 42H is 8119H MEWTOCOL communication was communication is not stored in performed in FL net mode available in FL net mode DT90039 8130H LEVEL of MEWTOCOL 41H is transmission is out of the range stored i 8131H DEPTH of MEWTOCOL DT90039 transmission is out of the range Check the contents of the format and node 61H is Data length of MEWTOCOL 8132H RR settings and transfer stored in t t of th 1 ransmission is out of the range dala aal DT90039 Other transmission errors PER lights on 8133H FIT is outside of the specification Format error 41H is 8140H LEVEL of MEWTOCOL reception is stored in out of the range DT90039 DEPTH of MEWTOCOL reception 8141H is out of the range Check the settings of de that MEWTOCOL 61
41. to the RUN mode from the PROG mode the setting is automatically transferred When the PC PLC link cyclic transmission is being performed it is interrupted and the setting is initilized to a new MEWNET VE setting When the operation mode Then it participates in the PC PLC link cyclic transmission again of CPU unit is changed Note When the operation mode is changed to the PROG mode from the RUN mode the transfer is not performed When the PC PLC link cyclic transmission is being performed it is carried on 7 12 Monitoring Statuses of PC PLC Link Cyclic Transmission With the MEWNET VE link unit information on all the units connected to the network is monitored Monitor using Programming tool FPWIN GR Monitors the status of PC PLC link cyclic transmission using the programming tool 3 Key Point The PC link status in the MEWNET VE setting is not required for the status monitor with the programming tool Connect the programming tool to the CPU unit that has been connected to the MEWNET VE link unit Select Status Display from the Online menu after changing to the online mode The following Status Display dialog box is shown Status Display Untitlel Program Information Program Size 62001 60K Rest Machine Lanquage Of OK Config Area Size 1424 2K File Reaister Size 32765 32K 140 Comment Size 100000P Rest 100000 P Black Comment 5000L Rest 5000
42. using the data transfer instruction Special data registers and special internal relays cannot be sent using the F145 SEND instruction Use a program like that shown below to send these types of data Sending FP3 special data registers Source issuing the command FP3 X10 10 HH F145 SEND S DT9 DTO Do not specify DT9 even if the destination is the FP2 FP2SH or FP10SH Sending FP2 FP2SH or FP10SH special data registers source issuing the command FP2 FP2SH FP10SH X10 10 _ F145 SEND S DT9 DTO Kn Do not specify DT9 even if the destination is the FP3 Sending special internal relays source issuing the command FP2 FP2SH FP3 FP10SH X10 10 HH F145 SEND S WR9 DTO Kn How to send FL How to specify FL banks How to specify the FL bank for destination units The FL to communicate is specified like FLO H10 Specify FL1 H10 to specify the FL of the bank 1 FL2 H10 for the bank 2 How to specify the FL bank for a local unit Normally FLn is specified for the FL for the local unit If specifying the FL will be sent to the bank which has been selected in the execution of this instruction 3 365 High level Instructions FPX FP X F1 46 RECV Data receive P1 46 PRECV For MEWTOCOL master mode Outline to the unit Program example Availability FP X Ver 1 2 or more FP 32k Receives specified data from the serial port of another PLC or co
43. 0 3 2 Scan Time Tsc 10 4 PC PLC Link Transmission Response Time Tpc 10 5 Data Transfer Transmission Response Time Tor 10 6 Message Transmission Response Time Tz SPECIFICATIONS 11 1 General Specifications 11 2 Communication Specifications 8 1 8 2 8 4 9 1 9 2 9 3 9 4 9 5 DIMENSIONS 12 1 FP2 MEWNET VE Link Unit APPENDIX 13 1 Table of Shared Memory 13 1 1 Error Log Area Bank 01H 13 1 2 Handshake Signal Area Bank 01H 13 1 3 Transparent message setting Area Bank 01H 13 1 4 Handshake Signal Area Bank 01H 13 1 5 Transparent Message Transmission Data Area Bank 13 1 6 Transparent Message Reception Data Area Bank 13 1 7 Message Information Management Area Bank 1CH 13 1 8 Message Transmission Data Area Bank 1DH 13 1 9 Message Reception Data Area Bank 1EH 13 1 10 Device Profile Storage Area Bank 1FH 13 1 11 Network Parameter Storage Area Bank 19H F145 P145 F146 P146 Glossary The MEWNET VE link unit is a unit supporting the MEWNET VE mode that is a unique network created by us and the FL net that is an open network provided by JEMA In those networks different names are used for the same contents events When using the FL net with the MEWNET VE link unit the names in accordance witht the regulation of FL net are used When using the MEWNET the unique names defined by us are used Table of comparison Names on MEWNET VE link unit VE mode FL net
44. 000 or a special data register from DT9000 or file register FL 3 369 Record of changes Manual No Date Description of changes ARCT1F435E May 2007 First Edition ARCT1F435E 1 Nov 2008 Second Edition Change in Corporate name ARCT1F435E 2 Sep 2009 Third Edition Addition of AFP279601 ARCT1F435E 3 Aug 2011 Fourth Edition Change in Corporate name ARCT1F435E 4 Jul 2013 Fifth Edition Change in Corporate name Please contact Panasonic Industrial Devices SUNX Co Ltd W Overseas Sales Division Head Office 2431 1 Ushiyama cho Kasugai shi Aichi 486 0901 Japan W Telephone 81 568 33 7861 Facsimile 81 568 33 8591 panasonic net id pidsx global About our sale network please visit our website Panasonic Industrial Devices SUNX Co Ltd 2013 July 2013 PRINTED IN JAPAN ARCT1F435E 4
45. 000H Reserve When requesting for reading or writing a work block 003H Virtual size the target data lengh is specified 00H Specify the data length in words Response message 004H eg 9 00H When requesting for reading or writing a work block 005H Response message the data length of the data stored in the message 00H data length in bytes transmission data area is specified Specify the data length in words Message D V E dis en for bius at hoa or 00H area 1024 bytes ge the emssage to be sent is stored 13 1 9 Message Reception Data Area Bank 1EH Address Name Description Default 000H oe home noder The node number that received a message is stored 00H 001H When requesting for reading or writing a work block OOH Virtual address The address of the common memory returned from 002H the partner node is stored in words 00H When requesting for reading or writing a work block 003H Virtual size the size of the common memory returned from the 00H partner node is stored in words 004H Response message _ 00H type 13 6 Address Name Description Default If an error occurs after the transmission the error code will be stored The followings are the error code 02H Message buffer full of the partner node 03H The partner node cannot receive a message Initialization of the message reception proces
46. 013 MV lt Dri Specifies a home unit No Initial pulse Home unit No Home unit No 10 on Fo MV Ki DT10 Sessa DL Zn Specifies No of transmitted No of transmitted words 1 word words Fo MV H1AA DT 11 n nin diui arcu cae t Specifies a destination unit No Destination unit Route No 1 Unit No AAH No F145 SEND DT10 DT1 DTO K610 4 Executes SEND instruction No of transmitted Home unit No Memory area of destination words unit DT610 7 4 FL net Mode Setting 2 Key Point The setting of FL net mode is carried out in offline Select Option gt MEWNET VE settings The VE Link assignments Select the Slot No dialog box is displayed Click Link Assignment after selecting a slot number The VE Link assignment dialog box is displayed Note The terms in the VE mode are used on the FPWIN GR 7 4 1 Setting Home Unit Number and Operation Mode Unit No VE Mode Token Monitor Timeout Min Allowable Frame Interval 10 11 254 255 ms 0 255l 0 x100us 0 50 Unit number Set the home node number VE mode FL net mode Confirm that FL net Mode is checked Token monitor timeout 0 to 255 ms Min allowable frame interval 0 to 50 x 100 us Note These settings may be required to be changed depending on the statuses of other nodes on the network However it is recommended to use the default values when initially setting the cyclic trans
47. 1 Message clear DTO K 6 Destination node No DT 10 K 1 Message request H 380 K 1 H 381 K 1 HO K 1024 DT 11 K1 Message clear DT 10 Message request K1 380 WR 10 Message request WR 11 1 Message complete FLO H 380 el 1 H 384 Message transmission area setting Message request type setting Read profile 20H Message transmission process Monitoring message request signal message complete signal Stores received profile message from FLO Message reception complete process Request signal R105 Complete signal R115 6 17 6 3 6 Procedure for Transmitting Read Log Data Message Process on ladder program Transmission message data Message transmission request signal X Message L transmission Message reception complete signal Process on the unit Response message data Response reception Message response complete signal Message response error signal O Set necessary information in message transmission data area 2 Turn on the bit 6 of message request signal in message information management area 8 When message transmission has been performed and the response has been received the response information is stored in message reception data area The received log data is stored in response message data in message reception data area 4 After the storage of response information the bit 6 of
48. 3 1 1 transmission Node 3 Node 2 1 n transmission Node 4 Node 4 Fig 5 5 17 Overview of message transmission 2 List of supported messages Fig 5 5 4 List of supported message transmission No Message Request Response 1 Read byte block Not available Not available 2 Write byte block Not available Not available 3 Read word block Available Available 4 Write word block Available Available 5 Read network parameter Available Available 6 Write network parameter Not available Not available 7 Operate stop command Available Available 8 Read profile Available Available 9 Read log data Available Available 10 Clear log data Available Available 11 Return message Available Available 12 Transparent message Available Available 13 Vendor unique message Not available Not available Remarks The supported range is according to the mounting specifications by vendors 5 18 3 Details of supported messages 3 Read word block This is a message function for reading data in word unit 1 address 16 bit unit from the network to the virtual address space 32 bit address space held by a partner node Note that the internal address map differs according to the FL net unit to be used Request message Response message 16 bits 16 F FFFFFFF Virtual address space Physical memory Fig 5 5 20 Read word
49. 3 4 Transmission area of PLC3 OSS SO Example of the ladder program for PLC1 Example of the ladder program for PLC3 Hr LO H Hi Y1 H Automatic transmission Example when using data link area Use the link register LDO for the data link area and store the content of the data register of PLC 1 in the data register DT1 of PLC1 PLC2 PLC3 LDO Transmission area of PLC1 Reception area from PLC1 44 Reception area from PLC1 LD1 Reception area from PLC2 4 Transmission area of PLC2 Reception area from PLC2 LD2 SIE Reception area from PLC3 Transmission area of PLC3 1 or Example of the ladder program for PLC1 Example of the ladder program for PLC3 R9010 R9010 H FEE wH H HL F1mv Loo on H Automatic transmission 4 2 5 Precautions for Using PC PLC Link 1 If more than 1 link unit is installed on the backplane for the PC PLC link operation do not assign the same link area to those units 2 When the assignement of the PC PLC link has been changed write the changed content to all the units in the PC PLC link 3 If the units of the same unit number with the different assignement capacities exist among the units participating in the PC PLC link it does not operate properly Bad example _No 1 No 2 4 The PC PLC link setting i
50. 39 238 237 236 235 234 233 232 231 230 229 228 227 226 225 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 Not participating in cyclic transmission OFF Home noce is not participating in cyclic OFF all nodes 16 15 14 13 12 11 10 9 8 7 e 5 4 3 2 t PLC operation mode flag 16 words 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 When the communication status with other nodes is normal 48 47 46 45 44 41 40 37 36 35 34 33 this flag monitors the operation mode of PLC RUN PROG ulot otor l so set srl sol sst sel ssf sel si sofan mm m u vol ni n mof wl er es ee Not participating cyclic transmission or 234 233 232 250 249 is in most Participating in cyclic transmission and of other nod R les are in KUN moge Other Not rticipating in cyclic transmission or 231 230 229 Fs IN PROG mod OFF 248 247 246 245 var mission or pie isin PROG mede OFF al nodes 12 PLC operation status flag 16 words 28 When the communication status with other nodes is normal 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 this lag monitors the error occurrence of PLC 59 75 60 58 57 se 55 sa 53 52 51 50 49 ee bc RS 76 74 73 72 n 70 69 68 67 66 65 Fl
51. 80 Message request H 380 K1 WR 10 H 381 K1 WR 11 H6 K 256 FLO DT 11 K1 H 380 Message clear DT 10 Message request 1 K 1 1 4 Message transmission area setting Message request type setting Clear log data 40H Message transmission process Monitoring message request signal message complete signal Stores received log data message from FLO Message reception complete process Request signal R106 Complete signal R116 6 19 6 3 7 Procedure for Transmitting Clear Log Data Message Process on ladder program Transmission message data Message transmission request signal X Message L transmission Message reception complete signal Process on the unit Response message data Response reception Message response complete signal Message response error signal O Set necessary information in message transmission data area 2 Turn on the bit 7 of message request signal in message information management area 8 When message transmission has been performed and the response has been received the response information is stored in message reception data area 4 After the storage of response information the bit 7 of message response complete signal or message response error signal message error signal in message information management area is turned on Turn off the bit 7 of message request signal in message information
52. 8192 points and the data link area up to 8192 words 3 For multiple PC PLC links Up to two link units which operate in the PC PLC link mode can be installed on one backplane This enables one PLC to connect two PC PLC links 4 2 2 Link Area Reservation and assignement of link area The link area includes the relay link area and the data link area To use the PC PLC link function specify the memories in each PLCs to reserve the area reservation of link area and also specify the parts in the area to be used for the PC PLC link by each PLC as the link area of the home unit assignement of link area It can be reserved in various relay and register areas of PLC arbitrarily Maximum value in link area Allocatable link area Max link capacity Max transmission size per unit Usable registers Relay link 8192 points 8192 points area in increments of 16 points in increments of 16 points WERNBERDEDTEEE d link 8192 words 8192 words WL WR LD DT FL Operation mode select in link area Select the status of the PC PLC link reception area in other units that respond when the PC PLC link of other units or the home unit stops during the PC PLC link operation 4 2 3 Monitor PC PLC link operation status Each PLC can get the operation status of the PC PLC link from the MEWNET VE link unit The operation status of the PC PLC link is automatically stored in a specified area This information c
53. 83 Min allowable frame DT 184 Protocol version WR 4 J PC link status WR 4 Obtains vendor names Obtains types Obtains other parameters 6 13 6 3 4 Message Transmission Procedure of Operate Stop Command Process on ladder program Transmission message data Message transmission request signal V lt Message i transmission Message reception complete signal Process on the unit Response message data Response reception Message response complete signal Message response error signal Procedure for transmissing Operate command O Set necessary information in message transmission data area 2 Turn on the bit 3 of message request signal in message information management area When message transmission has been performed and the response has been received the response information is stored in message reception data area 4 After the storage of response information the bit 3 of message response complete signal or message response error signal message error signal in message information management area is turned on Turn off the bit 3 of message request signal in message information management area Turn on the bit 3 of message response complete signal or message response error signal message error signal in message information management area 7 The bit 3 of message response complete signal or message r
54. ARCT1F435E 4 Panasonic PROGRAMMABLE CONTROLLER FP2 MEWNET VE Link Unit Technical Manual 2013 7 panasonic net id pidsx global Safety Precautions Observe the following notices to ensure personal safety or to prevent accidents To ensure that you use this product correctly read this User s Manual thoroughly before use Make sure that you fully understand the product and information on safety This manual uses two safety flags to indicate different levels of danger WARNING If critical situations that could lead to user s death or serious injury is assumed by mishandling of the product Always take precautions to ensure the overall safety of your system so that the whole system remains safe in the event of failure of this product or other external factor Do not use this product in areas with inflammable gas It could lead to an explosion Exposing this product to excessive heat or open flames could cause damage to the lithium battery or other electronic parts CAUTION If critical situations that could lead to user s injury or only property damage is assumed by mishandling of the product To prevent excessive exothermic heat or smoke generation use this product at the values less than the maximum of the characteristics and performance that are assured in these specifications Do not dismantle or remodel the product It could cause excessive exothermic heat or smoke generation Do not touch the terminal
55. Ethernet Ethernet that is now most popularly used for office automation is a 100 Mbps twisted pair calbe UTP Ethernet enables communication using the software protocol that is provided by numerous multivendor What is FL net FL net is a network connecting FA controllers such as a programmable controller PLC and numeric control device CNC and exchanges the control data between the controllers at high speeds The cable is used as the same as the one for Ethernet What are the differences between FL net and Ethernet Ethernet is used for information and control applications such as instructions of productions and acquisition of actual achievements connecting a host computer and personal computers etc to controllers Also FL net is used for the connecting betweeen controllers and enables the high speed data exchange If Ethernet for the host and FL net for the connection between controllers are mounted on a single controller ensure that the cables are not connected incorrectly How do you use an FL net unit The FL net unit is mounted on FA controllers such as programmable controllers PLC and numeric control device CNC and performs the cyclic data transmission and reception between the controllers just by setting the link assignment for the unit numbers node numbers and common memory that si also called link register like a regular PLC CPU link unit In this case any special communication program is n
56. H 1C00 H 1900 H 1000 DT 151 Node name DT 152 DT 153 DT 154 DT 155 DTO 1 Destination node No DT 1 Virtual address DT3 1 Virtual size DT 4 Message type DT5 Data size DT 10 Message request DT 11 Message clear DTO K6 Destination node No DT 10 KI Message request H 380 KI H 381 s Ki H A8 K27 DT 11 KI Message clear DT 10 Kl Message request H HO H 380 WR 10 WR 11 DT 150 H 47 4 WS 1 Message transmission area setting Message type setting Read network parameter 04H Message transmission process Monitoring message request signal message complete signal Stores received network parameters from DT150 Message reception complete process Request signal R100 Complete signal R110 Obtains node names R9010 H HH F17 SWAP F17 SWAP F17 SWAP F17 SWAP F17 SWAP R9010 H H F17 SWAP F17 SWAP F17 SWAP F F17 SWAP F F17 SWAP R9010 4 F6 DGT F F6 DGT F6 DGT F F6 DGT F6 DGT F F6 DGT F6 DGT DT 156 Vendor name DT157 DT 158 DT 159 DT 160 DT 161 Type DT 162 DT 163 DT 164 DT 165 DT 150 DT 150 DT 170 DT 170 DT 171 DT171 DT 172 1 1 H 10 H 12 H 10 H 12 H 12 H 10 H 212 DT 180 Node No DT 181 Message type DT 182 Token monitoring time DT 1
57. H is Data length of MEWTOCOL f 8142H Moe communication has been Stored in reception is out of the range bant DT90039 Other reception errors 41H is 8143H FIT is outside of the specification stored in Any other errors DT90039 System errors Log mode 0 These errors will be indicated when a fatal error occurs Error x LED Kalle Description Steps to take tion to code indication CPU unit 9001H System runaway The unit has gone out of SENE control 9002 CPU inappropriate interrupt Turn off the power supply HER lights on occurred and then turn it off again 9003H Work memory error 9004H Shared memory eee oven a Nes 9005H EEPROM error an 9 CPU unit has gone out of control or Check the state of CPU 9006H unsupported CPU unit for unit PER DONS Check the version of RDY lights off MEWNET VE is used CPU unit Test mode errors Log mode 0 These errors will be indicated when an error occurs in the test mode Error code Description Steps to take LED indication Notifica tion to CPU unit 9011H FLASH ROM test error 9012H RAM SDRAM error for work 9013H Shared memory error 9014H EEPROM error 9015H Timer test error 9016H Internal loopback test error Turn off the power supply and then turn it off again PER lights on RDY blinks PER lights on RDY lights on PER lights on
58. However 1 word is 2 bytes 2 5 2 2 8k words Common memory area Fig 5 5 8 Data volume of cyclic transmission 2 Message transmission The maximum data volue per message frame is 1024 bytes not including header a 1024 bytes Fig 5 5 9 Data volume of message transmission 5 5 5 Refresh Cycle With the cyclic communication the common memory is refreshed at almost a fixed cycle The transmission of message communication is controlled by one shot message communication so that the refreshing time of common memory does not exceed the allowable refresh cycle time Each node always monitors the frames of message communications that flow from the reception of tokens addressed to the home node to the reception of the next token adderssed to the home node on the network If no frame of emssage communication flows on the network during this cycle the value of 120 of cycle becomes the allowable resreshing cycle time By the above monito processing the allowable refresh cycle time is dynamically determined by the number of nodes participating in the network 5 5 6 Data Area and Memory Cyclic transmission Common memory area Message transmission buffer area FL net control table area Physical memory FL net parameter c 2 N 2 E e E o N Fig 5 5 10 Data volume of message transmission 5 12 5 5 7 Communication Management Table The management of node statuses is
59. LED goes LED test whether on for 0 5 seconds then off in the following order the LEDs light PER gt HER gt RDY gt LINK gt VE gt FL Checks whether or not the result of 1 byte binary addition of the entire ROM area is 0 The ROM test checksum value is set so that the result of the REY Blinks last addition of the is 0 Writes AAH to every byte in RAM area and RAM test reads every byte to check that the value matches RDY lights 9012H AAH LEDs bia Checks in the same way as the RAM test but RDY lights E 9013H jest does not check the top 2k bytes LNK blinks ahd EEPROM Performs a test for writing to EEPROM and RDY lights PER 9014H test check whether or not correct values are written LNK lights lights Internal Performs an internal communication loopback RDY lights loopback test LNK lights 9015H test VE blinks RDY lights Timer test ae or not the timer generates an LNK lights 9016H VE lights RDY lights LNK lights Test mode completes VE lights FL lights HER lights Note The error codes are stored in the error log area ne ner Note If an error occurs in the test mode there may be a hardware problem Switch the power off and on again and run the test again Ifthe error persists please contact your dealer Chapter 4 VE Mode 4 1 Overview of Mode The VE mode is an operation mode complying with our MEWNET network and it is compatible with our high speed and high capa
60. Ladder Program Only when the MEWNET VE link unit is operating in the VE mode the home unit can be set with a ladder program Performing the MEWNET VE setting 1 Set the home unit to 0 on the MEWNET VE setting screen of FPWIN GR 2 Assign each link area The link assignment for the home unit is required Set a unit number for performing the link assignment with the ladder program Without link assignment of the home unit the PC PLC link cannot be performed even if the unti number is specified with the ladder program Setting unit numbers with a ladder program Set unit numbers with a ladder program For unit numbers execute the F151 SEND instruction according to the following contents Setting item Setting Number of words 1 word Destination unit AAH Route number 01H Unit and method of transfer 01H Home unit memory area Specify the home unit number of MEWNET VE link unit to be set Destination unit memory area DT610 wii Reference lt F151 SEND instruction Downloading the ladder program to the CPU unit Download the created ladder program to the CPU unit When the mode is changed to the RUN mode the MEWNET VE link unit starts the PC PLC link When the home unit number has been set to 0 on the MEWNET VE setting screen the PC PLC link is not started until the setting of the home unit is completed with the ladder program Sample program R9
61. MEWNET VE link unit On No error occurs An error occurs on a network RDY Unit state Off Communication stops when the error exists on the network but will automatically start when the factor of the error is removed and the network becomes normal 8 2 Error Log The errors occurred on the MEWNET VE link unit can be confirmed with the operating monitor LEDs The error code when an error occurs is stored in the error log area in the shared memory Setting Link error information output destination of the MEWNET VE setting enables the memory area in PLC to be stored in the error log area The error log 1 is always latest in the error log area After the error log 2 error are stored in chronologic order A maximum of 15 errors are stored in the error log area When more than 15 errors occur the error in the error log 15 is deleted fy Reference For information on the error log area lt 13 1 Table of Shared Memory gt 8 3 Error Code and What to Do If an Error Occurs The followings are the error code of the errors to be occurred on the MEWNET VE link unit and what to do if those errors occur Parameter setting errors Log mode 3 These are the errors depending on the settings of the MEWNET VE When the errors occur the contents will be stored in the special internal relay and special data register in the CPU unit Error LED Description Steps t
62. MEWNET VE setting is performed in the offline mode Click Link Assignment after selecting a slot number that the MEWNET VE link unit has been installed The VE Link assignments dialog box is displayed VE Link assienments Unit No VE Mode Token Monitor Timeout Min Allowable Frame Interval il 10 991 FL net Mode ms 0 255 x100us 0 50 Belay Link Area Data Link Area PC Link Status M Link Error Information HeadNo wL 10 HeadNo LD l Device NONE v Device NONE Words 0 0 512 Words 0 10 8192 Clear Data Clear Data Words 0 Words 01 Relay Link Areal Data Link Areal Unit No Head Address Words carmen Unio Head Address Words men Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used SARON OOO0 0O240 Change to Not Used by pressing the space key Cancel Auto Set Initialize Import VE mode FL net mode Default 1 to 99 0 should be Unit No set when using a ladder 1 to 254 1 program Opration mode VE mode FL net mode VE mode Token monitor timeout 0 to 255 255 Min allowable frame 0 to 50 0 interval Relay link WL Head No WR Data link LD Size 16 point 1 word unit 0 Words Relay
63. NET VE2 link unit FP2 VE2 AFP279601 670 mA Note lt FP2 FP2SH Harware Manual ARCT1F320 gt 1 5 2 Restrictions on Installation Position The MEWNET VE link unit may be installed only in the CPU backplane position However the units should be installed to the right of the power supply unit and CPU unit It cannot be installed in an expansion backplane Backplane for CPU side y T MEWNET VE link unit Expansion cable Can be installed to the backplane on CPU side T I L I I I I i 2 i 1 Ode HH A Backplane for expansion side 1 5 3 Restrictions on Combination With Multi wire Link Unit Up to two MEWNET VE link units can be installed to one programmable controller Also there are restrictions as below when using the multi wire link unit in the MEWNET W2 mode When the PC PLC link is used with the Multi wire link unit in the MEWNET W2 mode Up to two units can be installed for performing the PC PLC link Therefore the installtion of the MEWNET VE link unit and the multi wire link units in the MEWNET W2 mode should be up to 2 units in combination When the PC PLC link is not used with the Multi wire link unit in the MEWNET W2 mode Up to eight units of the multi wire link units and MEWNET VE link units in combination can be installed However t
64. Network Setting Untitlel Network selection Station home CNET Route 1 MEWNET ET LAN C Route 2 MEWNET ET LAN Route 3 MEWNET ET LAN C MEWNET H CPU MEWNET H Link Unit Station No 1 63 rZ Refer other networks setting Click OK EbS2H 00k o BEWOLE BTM NOUNDHUE 2 ogg r9qqer exupo Alem If the status at the top of the edit display is displayed in blue it shows that the connection to the PLCs of other stations has been succeeded via the MEWNET VE link unit 4 4 4 Eiditing and Monitoring PLC with Other Unit Number Once the connection to the PLC with other unit number has completed edit and monitor it as in the case of the home unit If editing or monitoring the home unit again Select Specify Station No from Online menu and specify Source unit ne Note If the unit is out of the PC PLC link or the network gets disconnected due to any reason such as breaking of communication cable remote programming will be also interruped 4 11 4 12 Chapter 5 What Is FL net 5 1 What is FL net FL net is a network that achieves controlling and monitoring with interconnected various FA controllers and personal computers such as programmable controllers PLC and numeric control equipment CNC made by numerous different manufacturers as shown in Fig 5 1 1 PC PC pc gws Server cD mj Higher orde LAN Ethernet TC
65. P IP UDP IP FL net Ethernet based control network Panel computer SEMI 7 Controller Sensor Actuator Fig 5 1 1 Example of FA control network composition 5 2 Features of FL net The followings are the features of FL net Open network Multivendor environment Controlling and monitoring is achievable with interconnected controllers and personal computers such as programmable controllers PLC and numeric control equipment CNC made by numerous different manufacturers Application layer FA link protocol layer Token function FL net Transport layer UDP protocol Network layer Data link layer In conformity with IEEE802 3 Physical layer Controller interface Fig 5 2 1 Basic structure of FL net protocol 5 3 Compliant with widespread standards Achieves efficient communication using the standard UDP IP based on Ethernet that is a standard for office automation devices Low price As it can be composed of widespread communication devices low price has been achieved Widespread network devices Widespread networking devices for the Ethernet such as transceivers hubs cables and LAN cards for PC can be used Future speeding up Improvement in transmission rates is expected such as increasing to 10 Mbps 100 Mbps and 1 Gps in future Optical communication Building a optic fiber network for the necessary secti
66. Specifies the area to store the information on the state of participation in the PC PLC link cyclic transmission The area of 48 words is reserved from the specified address as the PC link status area PC Link Status M Device NONE v Words 0 Area Select among WL WR LD DT or FL and input number of words 2 Reference lt 4 2 3 6 2 3 Monitor gt Link error information Specifies the area to store error information on PC PLC link cyclic transmission The area of 128 words is reserved from the specified address as the link error information area Link Error Information Device p Words 01 Area Select among WL WR LD DT or FL and input number of words 7 5 2 Automatic Setting Click Auto Settings to display the dialog box Auto Settines Select the Auto Set Address Setting Auto a Words Setting Auto _ Hep Address Setting Auto Verifies the settings of each unit that has already specified secure the data size and automatically sets the head number for transmission of each unit Words Setting Auto Verifies the settings of each unit that has already specified and automatically sets the word numbers for transmission according to the head number without duplication Note The automatic setting is executed both for the relay link area and data link area 7 10 7 5 3 Export Import Setting The contents excluding unit numbers specified on the VE link assignment screen ar
67. Upper layer status 2 bytes RUN STOP ALARM WARNING NORMAL Area 1 data head address in common 2 bytes Word address 0 to 164200 memory Area 1 data size in common memory 2 bytes Size 0 to 162200 Area 2 data head address in common 2 bytes Word address 0 to 1642000 memory Area 2 data size in common memory 2 bytes Size 0 to 1622000 Allowable refresh cycle time 2 bytes 1 ms unit 0 to 65535 Token monitoring time 1 byte 1 ms unit 1 to 255 Min allowable frame interval 1 byte 100 us unit 0 to 50 FA link status 1 byte Participating offline etc 5 13 3 Network management table The information relating to the network is managed in this table Table 5 5 3 Network management table Name Byte length Description Data range Node that is currently holding the token Token hold node number 1 byte 1 to 254 Min allowable frame interval 1 byte 100 us unit 0 to 50 Allowable refresh cycle time 2 bytes 1 ms unit 0 to 65535 Refresh cycle measurement time 2 bytes 4 ms unit 0 to 65535 current value Refresh cycle measurement time 2 bytes 4 ms unit 0 to 65535 max value Refresh cycle measurement time 2 bytes 1 ms unit 0 to 65535 min value 5 14 5 5 8 Cyclic Transmission and Areas 1 Overview of cyclic transmission The cyclic transmission is a function to support the cyclic exchange of data that is generated between nodes 1 It achieves a common memory
68. a source PLC that has retrieved input via a link relay and link register Example Link relay data of the PLC with unit No 1 is sent and received by the unit with unit No 2 I unit gt memory of memory of CPU unit t link unit J link unit 2 E adi W PLC operation and data update Not synchronized PLC operation and data update gt 15 When is turned on at unit number 1 the input information is stored the buffer of MEWNET VE link unit The stored information is sent to the MEWNET VE link unit with unit number 2 and the PLC with unit number 2 retrieves the link relay information and it is output Y10 on The time spent on these processes differs depending on the timing of each process In consideration of these times the PC PLC link transmission response time should be calculated Scan time Tsc Unit No 1 CPU process Unit No 2 Link unit buffer memory Transmission cycle time Tu Unit No 2 Link unit Scan time Tsc2 buffer memory 1 Writes data Unit No 2 CPU process Input of PLC Unit No 1 Output Input of PLC Unit No 2 Input delay time Ta YO Output delay time PC link transmission response time Tec PC PLC link transmission response time Tpc Unit ms delay Scan time of Transmission Tpc time each PLC cycle Min Tait Ta Tsci Tsc2 Max Tpcmn
69. a specified time is assured with controlling the communciation media accesses of each node in the network collision avoidance using the above basic data transmission method The FL net is directed to the FA controller networks for the data exchange between controllers and personal computers for control in a production system such as a programmable controller PLC robot controller RC and numeric control device CNC Fig 5 5 1 shows the positioning of FL net Higher orde LAN Ethernet TCP IP UDP IP FL net Ethernet based control network Panel Controller ee at computer RC i EM i EE Actuator Fig 5 5 1 Concept of FL net 2 Protocol of FL net The FL net is composed of the following six protocol layers Application layer Controller interface FA link protocol layer transmission Message transmission transmission Token function FL net Transport layer protocol Network layer IP Data link layer Ethernet Physical layer In conformity with IEEE802 3 Fig 5 5 2 Basic protocol structure of FL net Remarks The UDP IP is used in the transport and network layers and Ethernet is used in the data link and physical layers 3 Features of FL net transmission systems The features of the FA link protocol layer of FL net are as follows 1 Collisions are avoided by controlling transmission by a masterless token method 2 Circulating tokens at a regular
70. ag Flag operating condition Participating in cyclic transmission and no or occurs on Not participating in cyclic transmission error occurs on PLC Participating in cyclic transmission and no error o 236 231 230 229 228 227 226 225 252 247 246 245 244 243 242 241 The numbers in the above table shows the node numbers of corresponding link units Not participa ing in cyclic transmission or an OFF nodes error occurs on PLC Home node is not participating in cyclic transmission OFF all nodes Link error information The error information in the link unit can be output to the specified area in the PLC Key Point The default of the setting tool is set to Not use the function 6 2 4 Precautions for Using Cyclic Transmission Function 6 If more than 1 link unit is installed on the backplane for the cyclic transmission operation do not assign the same link area to those units 7 When the assignement of cyclic transmission has been changed write the changed content to all participating units 8 If the units of the same unit number with the different assignement capacities exist among the units participating in cyclic transmission it does not operate properly Bad example _No 1 No 2 3 4 5 9 The cyclic transmission is stored in the CPU unit It is not stored in the MEWNET VE link unit 10 When the cyclic transmiss
71. age clear R10 H mop S Message transmission 1 F151 WRT H1000 DTO K6 HO 1 Destination node No F F151 WRT H1CO0 DT10 Kt H 380 1 Message type R9010 H H F150 READ H1C00 H380 K1 WR10 Always on Message request r F150 READ H1C00 H381 K1 WRIT 1 Message complete R118 F150 READ H1E00 H6 K 50 FLO 1 Return complete F F151 WRT H1C00 DT11 Ki H 380 Message clear R118 R108 H 384 1 Message transmission area setting Detination node 85 55H gt Transmission data size 50 words 100 bytes Stores transmission messages from DT1000 in transmission data area 2 gt Message type setting Return message 100H XE Message transmission process Monitoring message request signal message complete signal J Stores received message returned from FLO Message reception complete process Request signal R108 Complete signal R118 6 3 3 Procedure for Transmitting Read Network Parameter Message Process on ladder program Transmission message data Message transmission request signal V X Message transmission Message reception complete signal Process on the unit Response message data Response reception Message response complete signal Message response error signal Q Set necessary information in message transmission data area 2 Turn on the bit 2 of message request signal in message information management area
72. ailable for the message transmission of FL net the message transmission time Tmsg required for message transmission depends on data volume to be sent received regardless of message types With message transmission transmission is performed every four transmission cycles Message transmission time Tmsg 1 0 0 002 x ms N Transfer data size No of words Base time Message transmission time Tmsg Transmission cycle time x 4 Message transmission response time Tri Unit ms _ VO delay Scan time of Tr time each PLC E Bese tme Min TFLmin Tat Tao lt 1 Tsc2 1 0 0 002 4 Max Trimin Tait To a 1 0 0 002 x N Tikx 4 10 8 Chapter 11 Specifications 11 1 General Specifications Item Specifications Ambient operating 0 to 55 C temperature Ambient storage 20 to 70 C temperature Ambient operating a 30 to 85 RH at25 non condensing humidity Ambient storage E 30 to 85 RH at25 non condensing humidity Breakdown voltage 500 V AC 1 minute Between the external power supply terminals for 10BASE5 and the PE of the power supply unit 1500 V AC 1 minute Between the external power supply terminals for 10BASE5 and the power supply terminals of the power supply unit Cutoff current 10 mA Insulation resistance 100MQ or more measured with 500 V DC testing Between the DC external terminal
73. ames 11 When the frame of the devided data in 3 is received the common memory is not updated until all the frames that come from a single node are completely received Thus the synchronism of node unit is assured 12 The capacity for the common memory prepared by the communication section of a single node is fixed at 8 5k words 8k bits 8k words 13 Both areas 1 and 2 can be specified in the range of the maximum area arbitrarily as the transmission area for a single node in the common memory 14 A function for sharing the same data over the entire system is provided by broadcasting data at a fixed cycle from each node Each node on the FL net shares the transmission area so as not to be mutually overlapped and perform data exchange In common memory operations the transmission area assigned to a certain node becomes the reception area of other nodes Common memory of node 01 Node 02 Node 03 Node 04 Send Receive Receive Receive Receive Receive Receive Send Receive Receive Receive Receive Receive Send Send Receive Example of common memory area 1 of cyclic transmission The common memory can be used only in the reception area Common memory of node 01 Node 02 Node 05 Receive Receive Send Receive Send Receive Example of common memory area 2 of cyclic trans
74. an be used as operation flags in programs Assigned PC PLC link operation status flag ni E D C B A 9 8 7 6 4 1 bit HERD 8 7 el 5 2 PC PLC link status monitor flag 16 words t 20 201 2st 27i 2e 2s 21 This is the flag to monitor the status of implementation of the PC PLC link with other units Unconnected units are OFF HE A 44 64 63 60 Flag operating condition PC PLC link Home Par participating in PC PLC link Not participating in PC PLC link OFF Home unit is not participating in PC PLC link OFF all units Other Participating in PC PLC link ON units 234 233 256 255 254 253 252 251 250 249 248 247 246 245 244 STE 27 17 25 When the communication status with other units is normal AL LS 2 at a SES 8 this flag monitors the operation mode of PLC RUN PROG 58 57 52 51 Ceo mol se 7a 72 n 7o so ee ex os E Not participating in PC PLC link or PLC is in PROC Par cipating in PC PLC link and PLCs of other units are in RUN mode in PC PLC link or PLC is in 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 16 15 14 13 12 11 10 9 8 7 6 5 al 3 2 1 PLC operation status flag 16 words all uni
75. and the window is closed Auto Set The automatic setting is performed for both relay link area and data link area Initialize All assigned data currently being set are initialized Export The set contents excluding unit numbers are saved in text format txt Import The setting txt filed by the export is read Help The help fo this window is indicated 7 4 7 3 VE Mode Setting 2 Key Point The setting of VE mode is carried out in offline Select Option gt MEWNET VE settings The VE Link assignments Select the Slot No dialog box is displayed Click Link Assignment after selecting a slot number The VE Link assignment dialog box is displayed 7 3 1 Setting Home Unit Number and Operation Mode Unit No VE Mode 10 10 991 C FL net Mode Unit number Input a unit number home unit number to be set When a ladder program is used for the setting input 0 VE mode FL net mode Confirm that VE Mode is checked u Key Point The unit number cannot be confirmed without reading the program after it has been specified It is recommended to put a seal with the unit number on the MEWNET link unit 7 3 2 Assigning Link Area of Use in CPU Unit Specify the area to be used for the PC PLC link The relay link area and data link area is assigned in the data area within the CPU unit Relay Link Area Data Link Area HeadNo WL 10 HeadNo LD Words 0 0 512 Words 0 10 8192 Clear Data
76. area to chare data between PLCs is called Link area and there are relay link area and data link area Specify which parts in those areas are used for the PC PLC link cyclic transmission on each PLC 1 i 1 i i When PC PLC link areas the same PLC1 PLC2 PLC3 Link area 1 4 2 Data Transfer Function Executing the data transfer instruction SEND instruction RECV instruction from the sequence program of PLCs enables data to be transferred betweeen the PLCs The maximum of 1020 words can be transferred by executing the data transfer instruction once Data transfer between PLCs PLC issues SEND RECV instruction PLC The program is necessary only for the PLC that issue the command The program is not necessary for communication for the destination PLC Operation executed by SEND instruction Operation executed by RECV instruction The data in a PLC is written into a destination The data in a destination PLC is rad by the PLC by the command command Command transmission source Command transmission source 1 4 3 Remote Programming Function The remote programming function is used to set other connected PLCs such as monitoring editing programs and setting system registers using the programming tool connected to a CPU unit via the MEWNET VE link The MEWNET VE link unit supports the remote programming for the PLCs
77. ber of I O points With PLCs reading writing data and I O is perfomred only once each scan time Therefore one scan time is required for reflecting the values of PC PLC link Depending on the timing of data update two scan times are required with an additional scan time ne ner Note When large volumes of data is managed with the PC PLC link the link data size to be sent in one scan can be limited by the system register No 49 to prevent the scan time from being longer In this case the link data is not updated until all data has been transmitted completely Example 1 When a 1024 word link register 2048 bytes is assigned for transmission and 0 is set to the system regiser No 49 One scan is required to complete the transmission of all data with a PLC Scan time required for relecting the value of PC PLC link Minimum value Tscmin 1 scan time Maximum value Tscmax 2 scan times Example 2 When a 1024 word link register 2048 bytes is assigned for transmission and 4 is set to the system regiser No 49 Data size to be transmitted in one scan 4 x 256 1024 bytes Two scan times are required Scan time required for relecting the value of PC PLC link Minimum value Tscmin 2 scan time Maximum value Tscmax 3 2 1 scan times 10 5 10 4 PC PLC Link Transmission Response Time Tpc This is a time elapses before a destination PLC outputs an operation result besed on the operation result sent by
78. ceiver cable Note that the internal voltage drop is 1 V max 3 3 4 Grounding The F G pin of the external power supply terminal on the front of the unit is connected to the outer metallic shell of the 10BASE T connector RJ45 or the outer metallic shell of the 10BASE5 AUI connector These are also connected to the F G terminal of the power supply unit through the backplane In an environment with a high noise level the F G terminal should be grounded at a grounding resistance of 100 or less 3 4 Operation Check for Unit Test Mode The MEWNET VE link unit has a test mode function that checks whether the unit is operating properly after it has been installed 3 4 1 Running Test Modes Set the mode setting switches on the rear of the MEWNET VE link unit to the settings indicated in the table below and then turn on the power supply to the programmable controller When this has been done a test mode can be run To exit a test mode turn off the power supply to the programmable controller and set the mode setting switches to the nomal mode Switch No 1 2 3 4 Test mode OFF OFF ON OFF 3 4 2 Contents of Test Modes Confirmation method x LED display Error code tem escription When when error testing error oggurs occurs All LEDs go off then on for one second Visually check After this the LEDs go off and each
79. ception complete signal is also turned off The device profiles of MEWNET VE link unit are defined as follows Example of Name character ot Data type description of Parameter name PrintableString type length character type parameter content guy length content Device profile common 6 COMVER INTEGER 1 1 specifications version SP ELBA 2 ID PrintableString 7 SYSPARA identification character eye len palametef 3 REV INTEGER 1 0 revision number Seien parameter INTEGER 2 0001 9999 2 2007 ded 7 REVDATE INTEGER 1 01 12 1 03 INTEGER 1 01 31 1 01 Device type 10 DVCATEGORY PrintableString 1 9 Vendor name 6 VENDOR PrintableString 9 Panasonic Product model 7 DVMODEL PrintableString 6 FP2 VE 6 16 Sample program R9013 H H MV F Fi DMV F FO MV F F0 MV F FO MV R9013 H H FO MV FO MV R10 Message transmission 1 gt F151 WRT F F151 WRT R9010 R115 Read Pro complete F F151 WRT R115 R105 Read Pro Read Pro complete request 1 gt F151 WRT H H F150 READ F150 READ H H F150 READ H 55 HO HO HO HO H 20 HO H 1D00 H 1000 H 1000 H 1000 H 1F00 H 1000 Virtual address Virtual size DTO Destination node No DT 1 DT 3 DT4 Message type DT 5 Data size DT 10 Message request DT 1
80. city network MEWNET H link system funcationally It cannot be connected with the MEWNET H link system Using the VE mode enables to make maximum use of our PLC s system if no specific network is designated Also all the units connected to the network are set to the same operation mode If there are the units in a different operation mode in the network communication cannot be guaranteed 4 2 PC PLC Link Function 4 2 1 Overview of PC PLC Link The PC PLC link function is used to share data contents of relays and registers between multiple PLCs using the link areas specified in the CPU units of the PLCs connected to the MEWNET VE link unit The link unit performs communication for sharing data automatically therefore no special program or instruction is required for communication 1 1 1 V mem When PC PLC link areas are the same PLC1 PLC2 PLC3 r Reception area from PLC1 4 Reception area from PLC 4 Transmission area of PLC2 gt Reception area from PLC2 4 Reception area from PLC3 4 Transmission area of PLC3 Reception area from PLCA Reception area rom PLCA lt Reception area from PLCS lt Reception area fom PLCS 1 PC PLC link The PC PLC link function can be used with a maximum of 99 link units in a network Link area 2 Link area The link area includes the relay link area up to
81. clic data from a single node the corresponding area is updated synchronizing with the upper layer Also when the cyclic data is sent in multiple frames the update of the area is performed once all the frames to be sent from a single node have been completely received If all the frames that has been devided to be sent from the node are not ready all the data from the node is discarded Transmission side Batch copy Send buffer On network line Cyclic data Receive buffer Reception side Batch copy Fig 5 5 16 Assurance of data synchronism 5 17 5 5 9 Message Transmission 1 Overview of message transmission The message transmission is a function to support the non synchronous data exchange that is generated between nodes The basic functions of message transmission are as follows 1 When a node receives a token only a maximum of one frame can be sent before cyclic frame transmission 2 The maximum data size that can be sent in a single transmission is 1024 bytes 3 There is an algorithm for preventing the allowable refresh cycle time of cyclic transmission from being exceeded 4 Two functions are available which are 1 1 transmission for sending just to one specified partner node and 1 n transmission for sending to all nodes 5 For the 1 1 message transmission a function to confirm whehter data has been correctly received or not by the partner node is provided Node 1 Node 2 Node
82. connected in the same hierarchy Programming tool FPWIN GR FPWIN Pro 1 4 4 Multilevel Link Function The data transfer function can be used for up to 4th hierarchy between MEWNET VE networks or networks including the MEWENT W W2 Example of remote programming between different hierarchies Programming tool FPWIN GR FPWIN Pro Tool interface of CPU unit PLC1 i Network A Counted from PLC1 Notet pm l First hierarchy Depth 0 Eco EEG m at i yall l Bi 18 ao LENE Relay station y Network B Counted from PLC1 t Second hierarchy Depth 1 a 18 FE Relay station Counted from PLC1 Third hierarchy Depth 2 Counted from PLC1 Fourth hierarchy Depth 3 Object PLC Note1 Depth The distance position of the connection to a object PLC refer to the above figure is called depth in the hierarchy link The distance in the same network is Depth 0 and the one in the adjacent network is Depth 1 In the above example the object PLC is located in the Depth 3 from the computer 1 4 5 FL net Message Function This is the message function complying with the FL net With the MEWNET VE link unit it is available in the FL net mode only Read word block message Reads data in word unit 16 bitwise address to the virtual address space that a partner node has 32 bit address space from netwoks
83. e stored and the same settings are written to other PLCs Export Stores the contents set on the VE link assignment screen The contents are saved in text format txt Import Reads the saved settings on the VE link assignment screen 7 11 7 6 Writing Setting Data The specified MEWNET VE setting is managed with a ladder program Also the specified MEWNET VE setting is stored in the CPU unit together with a ladder program when the ladder program is downloaded to the PLC a Note The MEWNET VE setting is not stored in the MEWNET VE link unit Ladder program MEWNET VE setting MEWNET VE link unit LED indication when PC PLC link cyclic transmission started in the VE mode LEDs on LED indication MEWNET VE link unit VE mode FL net mode VE Lights on Lights off FL Lights off Lights on TX Blinks fast Blinks fast RX Blinks fast Blinks fast The MEWNET VE link unit automatically starts the PC PLC link cyclic transmission when the MEWNET VE setting has been completely transferred from the CPU unit Timing of transferring the MEWNET VE setting As soon as the power supply of the system turns on the MEWNET VE When the power of setting is transferred to the MEWNET VE link unit from the CPU unit system is on Also regardless of whether the CPU unit is in the PROG mode or RUN mode when the power is on the transfer is performed When the operation mode of CPU unit is changed
84. ended to use it within 5 m or less 11 3 11 4 Chapter 12 Dimensions 12 1 2 MEWNET VE Link Unit Unit mm AFP27960 FP2 VE 12 2 Chapter 13 Appendix 13 1 Table of Shared Memory 13 1 1 Error Log Area Bank 01H Address Name Description Default 180H Log mode The level to store the occurred errors in error logs is set 03H 186H Log count Number of error occurrences is recorded 00H 189H Error log 1 Error code 00H 191H Error log 2 Error code 00H 199H Error log 3 Error code 00H 1A1H Error log 4 Error code 00H 1A9H Error log 5 Error code 00H 1B1H Error log 6 Error code 00H 1B9H Error log 7 Error code 00H 1C1H Error log 8 Error code 00H 1C9H Error log 9 Error code 00H 1D1H Error log 10 Error code 00H 1D9H Error log 11 Error code 00H 1E1H Error log 12 Error code 00H 1E9H Error log 13 Error code 00H 1F1H Error log 14 Error code 00H 1F9H Error log 15 Error code 00H Note Do not write any data in blank areas 13 2 13 1 2 Handshake Signal Area Bank 01H Address Name Description Default bit00 Reception complete signal bit01 Reception response error signal bit02 Transmission complete signal 100H Complete sianal area bit03 Transmission error signal 101H P 9 bit04 13 Reserved by the system bit14 FL net log notiifcation complete signal bit15 Error log notification complete signal bit16 31 Reserved
85. er program execute them individually after confirming that data transfer is available 2 Reference lt Programming Manual F145 SEND F146 RECV gt 4 3 3 Usable Commands and Functions Sends MEWTOCOL DAT command messages to the PLC with the destination unit number by the execution of the data transfer instruction and the PLC wit the destination unit number returns the reseponse messages automatically The data transfer supports the multilevel link that relays the link unit so the data transfer is available between the PLCs in different hierarchies 2 Reference lt Programming Manual F145 SEND F146 RECV gt Network MEWNET VE link unit MEWTOCOL DAT commands Receives command messages and sends response messages Function code 50H Write ward ane Writes the data of the specified number of words from the specified head word number in the data area Reads the data of the specified number of words from the didi Bee specified head word number in the data area 52H Write contact information Writes information for the specified contact in the contact area 53H Read Reads information from the specified contact of the contact area 2 Key Point The commands and responses to be used with the MEWNET VE link unit are what the special header is added to the communication procedure MEWTOCOL DAT for the FP series PLCs 4 4 Re
86. esaponse error signal message error signal in message information management area is turned off and message reception complete signal is also turned off Procedure for transmissing Stop command The procedure is the same as the above but bit 3 must be replaced with bit 4 6 14 Sample program of Operate command gt 1 Operate Operate complete request 1 gt F151 WRT H 1000 DT 10 e Ki Message request H 384 R9013 H H F0 MV H55 DTO 1 Destination node No r Fi DMV HO DT 1 Virtual address F FO MV HO DT 3 1 Virtual size r F0 MV HO DT 4 Message type F F0 MV HO DT 5 Data size R9013 H IL FO MV H8 DTi0 Message request F0 MV HO DT 11 Message clear R10 oF Message transmission 1 F151 WRT H 1D00 DTO K6 HO 1 Destination node No F151 WRT 1000 DT 10 380 Message request R9010 H H F150 READ 1C00 H380 Ki WR10 F F150 READ H1000 H 381 Kl WR 11 Message request R113 H H F151 WRT H 1C00 DT 11 Ki H384 Operate complete Message clear R113 R103 1 H 1 Message transmission area setting Message request type setting For operate command DT100 08H For stop command DT100 10H Message transmission process Monitoring message request signal message complete signal Message reception complete process Request signal For operate command R103 For stop command R104 Complete signal For operate co
87. etailed information on each node 7 15 Node Information dialog box Node Information Node No Node Name Panasonic FP2 VE Vendor Name Manufacture model Link Settings Common Area 1 Address Common Area 1 Size Common Area 2 Address Common Area 2 Size Token Monitor Timeout Min Allowable Frame Interval FA Link Status Upper Layer Error Enable Common Memory Common Memory Settine Finished Address Duplicated Refresh Cycle Status Allowable Frame Interval Current Value 0000H 000 0000 0000 255 ms 0 x100us Upper Layer Status RUN STOP ALARM WARNING Error Code in Upper Layer 0 MAX Value MIN Value Selecting a node number displays the detailed information on the selected node Note Only the node numbers that have been set to be usable for the cyclic transmission in the MEWNET VE setting are selectable Some items among the detailed information on the home node cannot be displayed 7 16 Monitor with Ladder program Setting statuses in the data register To perform monitoring the PC PLC link cyclic transmission with the ladder program set the PC link status in the MEWNET VE settings and assign monitoring the PC PLC link cyclic transmission to the memory area of CPU unit Sample program Area where PC link status flag is assigned WR100 Unti number to be monitored No 1 No 10 No 32 PC link status monitoring flag 3i ys YO
88. for 1OBASE5 and the power supply earth Vibration resistance 10 to 55 Hz 1 cycle min Double amplitude of 0 75 mm 10 min each in the X Y Z directions Shock resistance 98 m s 2 4 times in the X Y Z directions Noise immunity 1500 V P P with pulse widths 1us and 50ns based on in house measurements Operating environment Free of corrosive gases and excessive dust Current consumption 670 mA 5 V DC External power supply for transceiver when using 10BASE5 AUI 12 V Max 1 A Internal voltage drop Max 1 V Weight Approx 130 g I O point assignment High functional 32 point input 32SX High functional 32 point output 32SY Restriction on installation position Can be installed in any slots of the standard backplane Restriction on No of units A maximum of 2 units including the multi wire link set to the MEWNET W2 mode can be connected 11 2 11 2 Communication Specifications Item Specifications AFP27960 Target model AFP279601 AFP27960 Baud rate 10 Mpbs 2 Interface 10BASE T 10BASE5 5 Max segment length 100 m 500 m Max distance between nodes 500 m 5 segments 2500 m 5 segments amp 5 a UTP Categories 3 4 5 Transceiver cable 2 cable Max transceiver cable length 50 m Note Node interval Integral multiple of 2 5 m Communication protocol FA link protocol in con
89. formity to V2 0 UDP IP Default value 192 168 250 IP address is the setting value of the node number setting switch VE mode 99 units Node Nos 1 to 99 FL net mode 254 nodes Node Nos 1 to 254 Link specifications link data valume Relay link Max 8 kbits 8 kwords Max No of connected nodes Message specifications message data volume VE mode Max 2kbytes MEWTOCOL supported Peramanieati nunc on FL net mode Max 1 kbytes MEWTOCOL not supported Support messages Word block read write Network parameter read Operate stop command Profile read Log data read clear Message return Transparent message VE mode Data ransmission Remote programming Multilevel link Other functions FL net mode Interconnection with the FL net devices manufactured by other companies Responsiveness 50 ms or less Communication method Masterless method Note1 Although the specification is max 100 m countermeasures against noise such as by installing a ferrite core to the communication cable may be required according to the operating environment Also install a hub near the control panel and it is recommended to use it within 10 m or less Note2 Although the specification is max 50 m countermeasures against noise such as by installing ferrite core to the communication cable may be required according to the operating environment Also install a transceiver near the control panel and it is recomm
90. function 2 Transmission is performed when a node holds a token 3 The nodes that do nto perform the cyclic transmission among the nodes participating the network are also accepted 4 All cyclic data to be sent is transmitted when a token is held I Token Basically only one token exists on the network When more than one token exists on the network the token with the smallest destination node number is given priority and the tokens with other nodes ar ediscarded Token frame The frame that include a token token frame has a destination node number for the token and a token transmission node number Each node becomes the token hold node when those numbers match with the destination node number of the token in the received token frame Token order The order of token rotation is determined by node numbers Each node performs token rotation in ascending order among the nodes registered in the participating node management table The node with the largest node number gives the token to the node with the smallest node number Time Node 1 Node 2 Node 3 Node N Node 1 Node 2 Node 3 Node N Fig 5 5 11 Token circulation and cyclic transmission 1 Time Node 1 Node 2 PRATER Node N 1 Node N Node 1 Node 2 Eee Node N 1 Node N Fig 5 5 12 Token circulation and cyclic transmission 2
91. gramming Function 4 4 3 Connecting to Other Units 4 4 4 Eiditing and Monitoring PLC with Other Unit Number WHAT IS FL NET 5 1 What is FL net 5 2 Features of FL net 5 3 Common Questions About FL net 5 4 About Ethernet 5 4 1 10BASE5 System 5 4 2 10BASE T System 5 5 About FL net 5 5 1 Overview of FL net 5 5 2 Number of Connected Units and Node Numbers 5 5 3 Types of Data Communications 5 5 4 Transmission Data Volume 5 5 5 Refresh Cycle 5 5 6 Data Area and Memory 5 5 7 Communication Management Table 3 4 4 6 4 8 5 5 5 7 5 7 5 8 5 9 5 9 5 10 5 11 5 12 5 12 5 12 5 13 5 5 8 Cyclic Transmission and Areas 5 5 9 Message Transmission FL NET MODE 6 1 Overview of FL net Mode 6 2 Cyclic Transmission Function 6 2 1 Overview of Cyclic Transmission 6 2 2 Link Area 6 2 3 Monitor 6 2 4 Precautions for Using Cyclic Transmission Function 6 3 Message Transmission Function 6 3 1 What is Message Transmission Function 6 3 2 Procedures for Transmitting Read Write Word Block and Return Message Messages 6 3 3 Procedure for Transmitting Read Network Parameter Message 6 3 4 Message Transmission Procedure of Operate Stop Command 6 3 5 Procedure for Transmitting Read Profile Message 6 3 6 Procedure for Transmitting Read Log Data Message 6 3 7 Procedure for Transmitting Clear Log Data Message 6 3 8 Procedure for Transmitting Transparent Message 6 3 9 Procedure for Rece
92. he MEWNET VE link unit must be installed in the second position counted from the CPU unit When the Multi wire link unit is used in a mode other than the above mode Up to two MEWNET VE link units can be installed The restrictions on the installation of the multi wire link unit vary depending on the combination with other link system units such as the computer communication unit multi communication unit 2 Reference For information the restriction on the installation of the multi wire link unit lt FP2 Multi wire Link Unit Manual ARCT1F284 gt Chapter 2 Specifications and Functions 2 1 Part Names and Functions 2 1 1 Part Names and Functions FP2 VE2 AFP279601 FP2 VE AFP27960 Operating monitor LEDs These LEDs indicate the connections of the unit the status of communication and operational status such as error occurrence VE1 VE2 On Flashes Off TX TX Green Send data monitor Sending Not sending RX RX Green CC E pum Receiving Not receiving monitor Normal PER PER Red Setting error Parameter error Other errors operation in progress Normal HER HER Red System error System error operation in progress RDY RDY Green Unit status Network error in progress LNK LNK Green PC PLC link status PC link 12V Green Tower supply 12 V power on 12 V power off monitor VE VE
93. his instruction Refer to the section describing the F144 TRNS instruction 3 357 High level Instructions Specifying the various items Control data S1 Specifying the remote station Specify the remote station by means of a route number and unit number The setting is entered differently depending on whether the remote station is a PLC in the same network ora PLC in a network on a different hierarchical level Specifying the transmission unit and transmission method If data is to be sent in word units specify the data volume and if it is to be sent in bit units specify the position of the target bit Specifying the memory area of the local station S2 Specify the memory area of the local station in which the data to be transmitted is stored Specifying the memory area of the remote station D and N Specify the memory area of the remote station in which the data to be transmitted is stored specifying the type D and the address N in combination A il Example D DTO N K100 i DT100 Flag conditions Error flag R9007 Turns on and stays on when Error flag R9008 Turns on for an instant when The control data is a value outside of the specified range The remote station does not exist The number of words specified by S1 causes the area of S2 or D to be exceeded when word unit transmission is being used Transmitting to a PLC within the same network Specifying the control data S1 1 S1
94. hose wirings 100 mm or more Noise generating device cable 100 mm 100 mm or more or more If it is impossible to avoid installing the equipment or cables near noise generating equipment the following measures should be taken Place the programmable controller transceiver and hub inside metal panels Place communication cables inside metal ducts Attach a ferrite core near the MEWNET VE link unit of the communication cable If using an external power supply terminal 12 V DC for the MEWNET VE link unit attach a ferrite core to the power supply cable Attach a ferrite core to the power supply cable of the programmable controller example of ferrite core RFC 10 by Kitagawa Industrial Co Ltd AGS Note Metal panels and metal ducts should be grounded at a grounding resistance of 100 or less Also metal panels and metal ducts should be insulated so that they do not come in contact with communication devices or cables 3 1 2 Installation of LAN Cables and Devices The network should be the dedicated network for the MEWNET VE link unit Do not connect any other ethernet device A specialist should be consulted concerning construction work such as the installation of 10BASE T hubs the installation of the 10BASE5 AUI transceiver and laying of cables If this construction work is done incorrectly it can adversely affect the entire network and can cause accidents Use a hub
95. icating the relay order of the hierarchical links Specifying the control data S1 The control data should be specified as an H constant The transmission unit transmission method and other parameters are specified with S1 and the remote station is specified with S1 1 and subsequent parameters the relay source unit relay destination unit and unit targeted for communication depth 3 words are required A il Example Control data when specifying a remote station which is at depth 3 Specifying the transmission unit and S1 method S1 1 Local station Depth H03 CPU1 S1 2 Relay source Relay destination CPU2 S1 3 Relay source Relay destination CPUS S1 4 Relay source Relay destination CPU4 S1 5 Remote station HOO CPU5 Specifying the remote station Same network Same backplane The relay source is specified by a unit No in the network and the relay destination is specified by a route number on the backplane 3 361 High level Instructions 1 Specifying word unit transmission If word unit transmission is being used the data for the specified number of words is sent from the memory area of the local station specified by S2 and is stored starting from the beginning of the memory area of the remote station specified by D and N If only the MEWNET H network is being used up to 1 020 words can be sent at one time and if the net
96. ilable Note AFP279601 has no 10BASE5 connector Other functions are common Chapter 1 Functions and Restrictions of MEWNET VE Link Unit 1 1 Structure and Features of Unit The MEWNET VE link unit is the dedicated link unit for FP2SH CPU The following two operation modes are available and use either one according to applications 1 1 1 VE Mode The VE mode is the operation mode complying with our MEWNET network If there is no specification for the network to be used use the VE mode to make the most of the performance of our PLC systems Network A Network B Network C 1 1 2 FL net Mode The FL net mode is the operaiton mode complying with the FL net Ver 2 0 that is the control network for FA proposed by FA Control Networks Technical Committee of FP Open Systems Promotion Forum abbreviation JOP at Manufacturing Science and Technology Center abbreviation MSTC As the FL net is open network networks can be composed between the devices that supports the FL net Higher orde LAN Ethernet TCP IP UDP IP FL net Ethernet based control network Controller F computer _ Actuator 1 1 3 Features of 2 MEWNET VE Link Unit Large scale network supported Large scale networks can be constructed with Ethernet cables Up to 99 units in the VE mode up to 254 units in the FL net mode can be connected Up to two MEWNET VE link uni
97. ion function is used the scan time of the CPU unit will increase The data exchange size for one scan can be specified by the system register No 49 PC PLC link data exchange size setting 6 5 6 3 Message Transmission Function 6 3 1 What is Message Transmission Function The message transmission is a function to support the non synchronous data exchange that is generated between nodes in the FL net The functions of message transmission that are available with the MEWNET VE link unit are as follows No Message Request Response 1 Read byte block Not available Not available 2 Write byte block Not available Not available 3 Read word block Available Available 4 Write word block Available Available 5 Read network parameter Available Available 6 Write network parameter Not available Not available 7 Operate stop command Available Available 8 Read profile Available Available 9 Read log data Available Available 10 Clear log data Available Available 11 Return message Available Available 12 Transparent message Available Available 13 Vendor unique message Not available Not available With the MEWNET VE link unit messages are sent received by reading writing to the shared memory using ladder programs 2 Reference For the details of the overview of messages lt 5 5 9 Message Transmission gt 2 Reference For the
98. it by D in which the data to be received is stored Specify the memory area of the local unit in which the data to be received is stored The MEWTOCOL COM command is created according to the operands specified by S1 S1 1 S2 D and N 3 367 High level Instructions FPX FP X Flag conditions S Error flag R9007 Turns on and stays on when S Error flag R9008 Turns on for an instant when The control data of S1 and S1 1 is a value outside of the specified range The number of words specified by S1 causes the area of S2 or D to be exceeded when word unit transmission is being used S2 N exceeds the area of S2 The operation mode for the target COM port is other than compute link Word unit If S2 is DT LD it turns on when N is not 0 to 32767 If S2 is WX WY WR WL SV EV it turns on when N is not 0 to 9999 Bit unit It turns on when S2 is not WX WY WR WL It turns on when N is not 0 to 999 The device No of S2 is not 0 The communication cassette has not been installed for the target COM port Precautions during programming Specify the computer link for the operation mode system register setting of the COM port to be used It is not possible to execute multiple F145 SEND instructions and F146 RECV instructions for the same communication port simultaneously The program should be set up so that these instructions are executed when the SEND RECV execution enabled flag
99. ived transparent message is 023H Reception message stored in bytes 00H Data size The received transparent message is stored in the transparent message reception buffer Reception message The state of the response from the partner node is 024H stored 00H response type 01H Normal 1H Error 2H 37H Not installed When the response type of the reception message is not correct 1H the error code is stored 02H Message buffer full of the partner node 03H The partner node cannot receive a message 05H The partner node detected the sequence number version number error 06H The partner node detected the format error 025H Transmission failure 10H No ACK response of the home node 00H code 14H The home node detected the sequence number error of ACK 15H The home node detected the sequence number version number error of ACK AOH The destination node number is incorrect ATH The transmission data size is incorrect A2H The transparent communication TCD is incorrect a by the Do not write any data in this area 13 1 5 Transparent Message Transmission Data Area Bank OCH Address Name Description Default e The data to be sent by the transparent messaGe is is 200H 1024 bytes Store the transmission data before the transmission request of the transparent message 13 1 6 Transparent Message Reception Data Area Bank OBH Address Name Description Default 000H to Reception date or The
100. iving Transparent Message SETTING BY FPWIN GR 7 1 Setting of MEWNET VE Link 7 2 MEWNET VE Link Setting Screen 7 3 VE Mode Setting 7 3 1 Setting Home Unit Number and Operation Mode 7 3 2 Assigning Link Area of Use in CPU Unit 7 3 3 Assigning Link Area of Each Unit 7 3 4 Setting Home Unit Number Using Ladder Program 7 4 FL net Mode Setting 7 4 1 Setting Home Unit Number and Operation Mode 7 4 2 Assigning Link Area of Use in CPU Unit 7 4 3 Assigning Link Area of Each Node 7 5 Other Settings Common to VE mode and FL net mode 7 5 1 Monitor Setting 7 5 2 Automatic Setting 7 5 3 Export Import Setting 7 6 Writing Setting Data 6 3 6 3 6 4 6 5 6 5 7 1 WHAT DO IF AN ERROR OCCURS 8 1 LED Indication When an Error Occurs 8 2 Error Log 8 3 Error Code and What to Do If an Error Occurs TROUBLESHOOTING 9 1 Main Flowchart 9 2 When HER LED Lights Up 9 3 When PC PLC Link Cyclic Transmission Function Does Not Work Properly 9 4 When Data Transfer Function Does Not Work Properly 9 5 When Remote Programming Function Does Not Work Properly 9 6 When FL net Message Transmission Function Does Not Work Properly TRANSMISSION TIME 10 1 Transmission Time and Transmission Response Time 10 2 Fundamental Concept of Transmission Response Time Calculation 10 2 1 Parameters Required for Calculating Transmission Time 10 3 Parameters Required for Calculating Transmission Response Time 10 3 1 Transmission Cycle Time 1
101. k the services provided for each equipment Request message Response message User Creation of response message upper layer interface Fig 5 5 29 Transparent message 5 23 5 24 Chapter 6 FL net Mode 6 1 Overview of FL net Mode The FL net mode is an operation mode for using the MEWNET VE link unit on the FL net that is an open network It can be connected to devices that support the FL net made by other companies The operation mode of the MEWNET VE link unit must be set to the FL net mode for connecting with FL net compatible devices Note that communication with FL net compatible devices is not performable in the VE mode wd Reference Chapter 5 What Is FL net gt 6 2 Cyclic Transmission Function 6 2 1 Overview of Cyclic Transmission Cyclic transmission With cyclic transmission data is transmitted cyclically Each node can share data via common memory shared memory EE Data Common memory Common memory is shared over enter networks 6 3 6 2 2 Link Area Common memory The view of common memory is as follows 8 The functions are provided that enable to handle it as common memory between nodes that perform cyclic transmission 9 Two types of areas area 1 and area 2 are assigned to a single node 10 When the area to be sent by a single node exceeds the transmission size of a single frame i e 1024 bytes the data is transmitted by multiple fr
102. link 0 to 512 Data link 0 to 8192 0 Clears data when PC link stops Relay link When the PC PLC link of other unit Stops the area Data relay link area assigned to the unit stopped will be cleared 0 Clear When the PC PLC link of home unit stops all the Not clear data data relay link area other than the area assigned to the home unit will be cleared 0 Not clear data when PC link stops No matter which unit s PC PLC link stops the data of all relay link areas is held PC link status flag 48 word areas is set from a designated address None Link error information Area for storing error information of PC PLC link is set 128 word area is allocated from a designated address None Relay link area Relay link areas of each unit to be connected are assigned Double clicking the unit number to be set displays the setting dialog box Common 1 Address Displays the addresses in Common area 1 Data link area Data link areas of each unit to be connected are assigned Double clicking the unit number to be set displays the setting dialog box Common 2 Address Displays the addresses in Common area 2 Not used Head address 0 Words 0 No of registrations 1 The setting of MEWNET VE is determined K When an error exist the error is indicated after clicking OK Cancel The current setting is interrupted
103. management area Turn on the bit 7 of message response complete signal or message response error signal message error signal in message information management area 7 The bit 7 of message response complete signal or message resaponse error signal message error signal in message information management area is turned off and message reception complete signal is also turned off 6 20 Sample program R9013 H H MV F F1 DMV F FO MV FO MV FO MV ig ia FO MV FO MV R10 Message transmission 1 gt F151 WRT F151 WRT R9010 F F150 READ R117 H H F151 WRT Clear log complete R117 R107 Clear log Clear log complete request 1 gt F151 WRT H H F150 READ s fl H 55 DTO 1 Destination node No i Virtual address HO DT3 4 Virtual size HO DT 4 4 Message type HO Bri Data size H 80 DW i J H 1D00 DTO K6 HO 7 1 Destination node No H 1C00 DT 10 K1 H 380 1 Message request H 1C00 H 380 K1 WR 10 Message request H 1C00 H 381 K1 WR 11 7 1 Message complete H 1C00 DT 11 K1 H 380 4 H 1000 DT 10 Ki H 384 1 Message transmission area setting Message request type setting Clear log data 80H Message transmission process Monitoring message request signal message complete signal Me
104. management area 7 The bit 0 of message response complete signal or message resaponse error signal message error signal in message information management area is turned off and message reception complete signal is also turned off Procedure for transmissing Read word block The procedure is the same as the above but bit 0 must be replaced with bit 1 Procedure for transmissing Return message The procedure is the same as the above but bit 0 must be replaced with bit 8 Reference 13 1 8 Message Transmission Data Area Note For setting of virtual addresses refer to the following table showing the relation with CPU data memory Vitual address CPU unit Head Data memory type OH WX 800H WY 1000H WR 1800H WL 2000H DT LD 12000H FL 32000H Reserve Sample program of Read word block R9013 H H FOMV Initial pulse on F F1DMV F MV F F0 MV FOMV R9013 H H Fo MV Initial pulse on FO MV R10 Message transmission F1 LF151 F F151 WRT R9010 H 1 F150 READ Always on F F150 READ R110 H H F150 READ Read WB complete FOMV R110 H H F150 READ Read WB complete F151 R110 R100 Read WB Read WB complete request r1 gt F151 WRT H 55 H 40 H 20 HO HO H1 HO 1000 H 1C00 1C00 1C00 1E00
105. me of transmission line for performing communication with the MEWNET VE link unit What is a transmission response time This is a time elapses before the data transmitted from a source PLC is reflected on a destination PLC This is the most important time for the MEWNET VE link unit 10 2 10 2 Fundamental Concept of Transmission Response Time Calculation Symbol Description Operation time mode With the PC PLC link cyclic transmission this is a time elapses before the data transmitted by a PLC is PC PLC link reflected on a destination PLC VE mode transmission Tpc As transmission response times vary the maximum m FL net mode response time and minimum values should be calculated PC PLC link min transmission response time TPcmin PC PLC link max transmission response time max When using the data transfer function this is a time elapses before transmitted data is reflected on a Data transfer destination PLC tranmission Tor As transmission response times vary the maximum VE mode response time and minimum values should be calculated Data transfer min transmission response time Tptmin Data transfer max transmission response time Tptmax When performing various message transmission this is a time elapses before transmitted data is reflected Message on a destination PLC transmission TEL As transmission response times vary the maximum FL net mode response time and minimum
106. mission Receive Receive The common memory can be used only in the reception area Common memory of node 01 02 Node 05 Receive Send Cid Ps Fig 5 5 14 Example of common memory area 2 of cyclic transmission 3 Area 1 and 2 A single node can assign two data areas area 1 and area 2 to the common memory The setting of transmission area is specified according to the head address and size of the area Accessing of areas is by word address The area 1 is comprised of 0 5k words 8k bits and the area 2 is comprised of 8k words Area 1 215 20 0 Head address IV Head address Size MN 16 1FF 16 1FFF Fig 5 5 15 Common memory area 1 and area 2 4 Assurance of data synchronism With the cyclic transmission frames are devided into multiple frames according to the data volume to be sent In the following procedure the synchronism of common memory in node unit is assured 4 1 Transmission timing When a data send request is made from the upper layer the cyclic data of the home node is copied to the buffer preparation for trasmission is performed and the data is sent sequentially When the data size held by the transmission node is larger than the size that can be sent in a single frame the buffer data is devided into multiple frames and then transmitted 4 2 Refresh timing at reception Once the reception node has completely received allthe cy
107. mission With the MEWNET VE link unit the memory area of PLC is used as common memory and the area 1 and area 2 can be assigned to separate memory areas respectively In the FL net mode the memory area of assinged PLC is used as common memory The relation between the common memory in each area and in PLC is as follows Relay link Common Relay link Common OH memory area 1 OH Memory area 2 No of all words 0 5k words ER 8k bits 6 4 6 2 3 Monitor Cyclic transmission operation status Each PLC can get the operation status of cyclic transmission from the MEWNET VE link unit The operation status of cyclic transmsision is automatically stored in a specified area This information can be used as operation flags in programs Assigned cyclic transmission operation status flag F E D C B 5 4 3 2 1 0 bit A 9 8 7 6 16 15 14 13 12 11 10 9 8 7 6 5 al 3 2 t Cyclic transmission status monitor flag 16 words 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 This is the flag to monitor the state of implementation of 43 42 41 40 37 36 35 34 33 cyclic tranmission of other nodes Unconnected nodes are 60 59 58 57 56 53 52 51 50 49 OFF Fla Flag operating condition Flag operation 75 74 73 72 71 70 69 68 67 66 65 ag operating Home Participating in cyclic transmission node Not participating in cyclic transmission Participating cyclic transmission ON 240 2
108. mission and change the settings depending on the situations 7 4 2 Assigning Link Area of Use in CPU Unit Specify the area to be used for the common memory of cyclic transmission Area 1 Area2 Relay Link Area Data Link Area HeadNo wi v HeadNo LD v D _ Words 100 0512 Words 500 08192 Clear Data Clear Data Head No Usable regsiters are WL WR LD DT and FL Words Relay link 0 to 512 Data link 0 to 8192 Clear Data Sets the statuses of cyclic transmission area for the case that the cyclic transmission of other nodes or home node stops Check box Description When the cyclic transmission of The relay data link area assinged to the stopped Checked another node stops node is cleared 0 When the cyclic transmission of All the relay data link areas other than the one home node stops assigned to the home node are cleared 0 No matter which node s cyclic transmission stops the data of all relay link areas is Unchecked held cS ner Note When 0 has been set to both head number and words the relay data link area is not assigned Note that the area size number of words specified in other nodes should be the same 2 Reference lt 6 2 4 Precautions for Using Cyclic Transmission gt 7 8 7 4 3 Assigning Link Area of Each Node In the assigned area of CPU sets the areas where each node uses for the cyclic data transmission area of home node To prevent the
109. mmand R113 For stop command R114 6 15 6 3 5 Procedure for Transmitting Read Profile Message Process on ladder program Transmission message data Message transmission request signal X Message transmission Message reception complete signal Process on the unit Response message data Response reception Message response complete signal Message response error signal O Set necessary information in message transmission data area 2 Turn on the bit 5 of message request signal in message information management area 3 When message transmission has been performed and the response has been received the response information is stored in message reception data area The received network parameter is stored in device profile storage area 4 After the storage of response information the bit 5 of message response complete signal or message response error signal message error signal in message information management area is turned on s Turn off the bit 5 of message request signal in message information management area 6 Turn on the bit 5 of message response complete signal or message response error signal message error signal in message information management area 7 The bit 5 of message response complete signal or message resaponse error signal message error signal in message information management area is turned off and message re
110. mode Description PC PLC link Cyclic transmission Note1 Unit number Node number Note2 Link area Common memory Memory area of PLC Area for sharing relay information pleni Commer neonates Max 8192 bit 512 word area can be used Data link Common co AAS Area for sharing data information y Max 8192 word area can be used Note1 PC PLO link Using this function enables the PLCs connected to networks to share the data by using the respective link areas The memory area shared by various PLCs is set in each link unit as a link area Cyclic transmission It means to perform cyclic data transmission using the FL net Note2 Unit number This is a unique number assigned to this unit Different unit numberse should be assigned to all the units on the MEWNET network Node number The FA devices to be connected to the FL net is called nodes u Key Point The names used on our network MEWNET are displayed on the setting tool software FPWIN GR Before You Start CPU unit The following CPU is required to use this unit FP2SH Ver 1 60 or later Note The FP2 CPU unit cannot be used Programming tool The following programming tool is required to use this unit FPWIN GR Ver 2 71 or later Difference between AFP27960 and AFP279601 Available Ethernet communication functions vary between AFP27960 and AFP279601 10BASE T 10BASE5 AFP27960 Available Available AFP279601 Available Not ava
111. mote Programming Function 4 4 1 Overview of Remote Programming Function The remote programming function is used to set other connected PLCs such as programming and setting system registers or to monitor the contacts and data via the network using the programming tool connected to the CPU unit The MEWNET VE link unit supports the remote programming for up to 63 units in the same hierarchy Unit No 10 Unit No 5 Unit No 15 Remote programming 2 Key Point The conditions the remot programming function can be used The same hierarchy not supported for the different hierarchy link Between the units participating in the PC PLC link gt Note Specify the PC PLC link setting before performing the remote programming The maximum unit number usable with the FPWIN GR is 63 4 4 2 Setting of Remote Programming Function The remote proramming function is mainly used for maintenance etc using the programming tool since programming other PLCs on the network is possible from the connected PLC PC PLC link setting and netword configuration Connect the programming tool to the PLCs that compose the network by the MEWNET VE link unit Unit No 5 Unit No 15 Unit No 10 Remote programming Make the unit with the home unit number and the target units with the destination unit numbers for remote programming join in the PC PLC link by the MEWNET VE setting 4 4 3 Connecting to Other Units
112. mputer nes Boolean adder Diagram Address Instruction Trigger 10 a i ER 11 F146 RECV RO 10 10 H F146 DT10 DTO 100 0750 DT 9 LL LLL Ld K 100 S1 S2 N D DT 50 S1 Starting 16 bit area for storing control data 2 16 bit area of destination to receive The device No is fixed at 0 N Starting address of the destination to receive Starting 16 bit area address for storing data received destination data area at local unit Operands operand Relay Timer Counter Register eee EM e Constant WX WY WR SV EV DT LD In 1 K H S1 AJAJAJA A A N A A A N A N A A 52 N A N A N A N A N A N A N N A N A N A N A N A N A N A N A NA NA A A A D N A N A N A N A A 1 IO to ID A Available N A Not Available Operation It is used to send commands to the serial port COM1 or COM2 of the specified unit in the MEWTOCOL COM mode connecting the unit that enables to receive the computer link command The data is sent from the area of the remote unit specified by S2 and N and is stored in the area of the local unit that starts with D according to the specification for the 2 word data stored in the control data that starts with the area specified by S1 3 366 FPX FP X High level Instructions Specifications fo
113. n RUN mode phe BUN When lights off PLC is in PROG mode Unit number that is not in PC PLC link Indicates the operation status of upper layer CPU unit of each unit PLC Status When lights on Green PLC is operating normally When lights on Red An error occurs on PLC When lights off Unit number that is not in PC PLC link 7 14 In case of FL net mode Cyclic transmission MEWNET VE Link Monitor Select C 41 80 Close C 81 120 121 160 Help C 161 200 201 240 241 254 1 Node Information 18 20 Link ON E PLERUN PLC Status C Link ON PLC RUN PLC Status Select Changes the range of the monitored unit numbers to be displayed on the monitor display 1 to 254 Link ON Indicates the operation status of upper layer CPU unit of each node When lights on Green Participating in cyclic transmission When lights off Not participating in cyclic transmission PLC RUN Indicates the operation status of upper layer CPU unit of each node When lights on Green PCL is in RUN mode When lights off PLC is in PROG mode Node that is not in cyclic transmission PLC Status Indicates the operation status of upper layer CPU unit of each node When lights on Green PLC is operating normally When lights on Red An error occurs on PLC When lights off Node that is not in cyclic transmission Node Information Indicates the d
114. ned off Sample program R9013 H FO MV H1 DT10 J 1 Initial pulse Destination node No Transparent message on reception setting F0 MV H2710 DTM 4 DT12 01H Message clear R10 H E EF151 WRT H100 DT10 KI H18 1 Waiting for completion of Reception complete signal Message request gt transparent message R9010 5 H H F150 READ 100 H100 Ki WRIT reception Always on R10 H I LFISOREAD HO J nen Reception complete signal g H 151 WRT H100 DTI Ki H108 Transparent message Reception complete signal Message clear reception complete process 6 23 Chapter 7 Setting by FPWIN GR 7 1 Setting of MEWNET VE Link The following settings are required for the MEWNET VE link unit Setting of home unit number Setting of operation mode Setting of PC PLC link Also the operation status of PC PLC link and contents of errors occurred can be monitored on PLCs Programming tool FPWIN GR Ver2 71 or later is used for this setting Note Only FP2SH CPU unit Ver1 60 or later can be used with the MEWNET VE link unit 7 2 MEWNET VE Link Setting Screen Select Option gt MEWNET VE settings in the menu bar The VE Link assignments Select the Slot No dialog box is displayed VE Link assignments Select the Slot No Slot No Cancel Link Assignment dg mmo womaeum BETT ner Note The
115. o take Ae oe tion to code indication CPU unit 8001H Token monitoring time is out of the range 8002H Minimum allowable frame time is out of the range 8003H Home node number home unit number is out of the range Flag area code is out of the Check the settings and 8004H range transfer data again 8005H Error register area code is out of the range 8006H Link relay area code is out of the range 8007H Link register area code is out of the range Set the unit number within PER lights on the following range 8008H Unit number is out of the range In FL net mode 1 to 254 n VE mode 0 to 99 Operation mode has been set 8009H to a mode other than VE mode Creche settings and R9055 transfer data again to R9057 and FL net mode On PC link hs not bee assigned to Assign PC link to the home 8010 the home unit unit number The setting of at least 2 8011H u been nodes should be done for P i PC link 8107H Other link setting error Turn off the power supply Failed to initialized PC link and then turn it on again Overlap of home unit number Change the nit number 8110H has been detected after ki participating in PC link Overlap of link assignment has 8112H been detected afte Change the link assignment rparticipating in PC link PER lights on As the operation mode is LNK lights off different failed to particiate in PC link 8116H Participated the linkin a Use
116. o the outer metallic shell of the 10BASE T connector RJ45 or the outer metallic shell of the 10BASE5 AUI connector These are also connected to the F G terminal of the power supply unit through the backplane In an environment with a high noise level the F G terminal should be grounded at a grounding resistance of 100 Q or less 3 3 LAN Cable 10BASE5 AUI Connections AFP27960 Retainer Terminator Please push down the retainer after transceiver cable connection Transceiver cable 10BASES AUI Connector T Transceiver 10BASES 12V DC cable 1A max External power supply terminal 3 3 1 10BASE5 AUI Connections Connect the transceiver cable to the 10BASE5 AUI connecter with D SUB 15 pins retainer on the front panel of the unit After you connect it push down the retainer to fasten the cable Be certain to install terminators on the ends of the LAN circuit 3 3 2 Transceiver and Transceiver Cable The transceiver that you use must comply with IEEE802 3 According to the ratings transceiver cable can be up to 50 m in length but considering noise resistance it is recommended to keep the cable under 5 m in length Use a high reliability connector type for the transceiver 3 3 3 External Power Supply Terminal Connections Connect the external power supply terminal on the front panel of the unit to 12 V DC power supply to power the trans
117. of the entered set numbers Common address Indicates the addresses of common memory corresponding to each assigned link area to be used 2 Key Point The assigned memory area of PLC is used as common memory All the address of node common memory should not be overlapped including other FL net compatible devices When other FL net compatible devices are registered carry out assignments to the memory area of PLC to make the addresses on common memory be assignments of each node Repeat the above procedure to perform the cyclic transmission of each node 7 9 7 5 Other Settings Common to VE mode and FL net mode 7 5 1 Monitor Setting The status of PC PLC link cyclic transmission can be monitored Two types of monitors are available PC link operation status flag Monitors information on the PC PLC link of each unit and the cyclic transmission of each node Link ON Status of PC PLC link cyclic transmission PLC RUN Mode of PLC RUN PROG PLC status Error state of PLC Link error Outputs errors occurred on the MEWNET VE link unit Although they can be obtained by reading the shared memory they can be automatically stored in the memory area of PLC in order to make an operation with ladder programs easier To store monitoring information in the memory of PLC the memory area where the information is stored should be specified on the VE link assignment window of the MEWNET VE setting PC link status
118. ome standanrd specification features and restrictions of Ethernet most generally used are shown below Remarks The values in parentheses are when a repeater is used 10BASE T 100BASE TX twisted pair cable UTP Max baud rate segument 100 m 500 m Max number of connections segment 254 8 network cable and units number of 10BASE5 Thick coaxial cable yellow cable Max baud rate segument connected units 500 m 2500 m Max number of connections segment 100 units 254 units 10BASE FL 100BASE FX fiber optic cable Max baud rate segument 2000 m Max number of connections segment 254 units Are special Ethernet g Ethernet officialy complying with IEEE802 3 standard is used to requiera for systems compose the FL net system Special specifications are not required that use FL net What is the Different types of Ethernet media can be interconnected with devices 10 connection method such as repeaters and media conversion adapters These devices are to FL net sold by many vendors The general uses are as below Which cable should For backbone wiring 10BASES5 Thick coaxial cable yellow cable be used for In control panels and offices 10BASE T 100BASE TX twisted pair 11 composing an FL cable UTP category 5 net system For high voltage power supply and in electrically noisy environments 10BASE FL 100BASE FX fiber optic cable The standard IP address of FL net is as follows 42
119. on by using a device such as an optical repeater that is prevalent for Ethernet enables a long distance transmission over 500 m thus it improving noise resistance and lightening surge countermeasured in outdoor wiring Support of functions required between FA controllers The FL net has a variety of functions required for FA as it is based on the required specifications by users Large scale network Up to 254 devices nodes can be connected Two types of communication functions according to applications Supports the common memory function that enables various nodes to share the same data by the cyclic communication and the message communciation function that enables nodes to communicate only necessary information only when necessary Large size common memory Common memory is 8K bits 8K words High speed response A high speed response of 50ms 32 nodes when 2K bits 2K words is achievable Highly reliable by masterless system As there is no master each node can freely take part in or pull out of the network without effecting the communication of other nodes and the power of each node can be turned on off or maintenance can be done freely 5 3 Common Questions About FL net Question Answer What is Ethernet Ethernet has a specification that defines cable types and is used on local area networks LAN The baud rate is 10 Mbps to 100 Mbps and the data transmission between computers is performable by
120. ording to a request for Data transter SEESE transmission Also data transfer is performed every two transmission cycles Transmission is performed when the home unit is Message transmission FL net moda holding a token according to a request for transmission Also data transfer is performed every four transmission cycles 10 4 Transmission cycle time on unit number Taxi Tiki 0 6 0 002 x Ni ms Ni Transfer data size of link relay and link regsiter managed by a unit number i number of words Overall transmission cycle time for connected units T T k Tiki 0 6 xn 0 002 x N Tmsg ms n Number of units that link is performed N Total transfer size of link relays and link registers to be sent by all units number of words Example When performing the PC PLC link cyclic transmission between eight PLC units Data transfer or message transmission is not performed Transfer data size of each unit Link relay 192 points 12 words Link data 8 words T k 0 6 x n N x 0 002 Tmsg 0 6 x 8 12 8 x 8 x 0 002 0 5 12 ms Note When data transfer or message transmission is performed a message transmission time Tmsg is added 10 3 2 Scan Time Tsc PLCs perform processing of ladder programs and reading writing data and I O at a fixed cycle This cycle is called scan time A scan time varies according to the contents of ladder programs data sized to be used and num
121. ot necessary for the PLCs etc Also any special communication program is not necessary for reading or writing the memory and communication parameters in the PLCs etc by personal computers However if the data transmission reception using message transmission is perfomred betweeen controllers mutually the special program is necessary for the invidual controllers What is protocol What kind of protocol does FL net support A protocol means the rule that is necessary for communciation FL net uses UDP IP and the FL net dedicated FA link protocol that is located in the upper layer Is it possible to connect FL net to a regular PC The FL net unit mounted on FA controllers such as programmable controllers PCL and numerica control device CNC is the intelligent unit having a on board processor The Eithernet card on personal computers uses a non inelligent system called a dumb board therefore it is recommended to use an intelligent type FL net board depending on the performance and the use of the PC What is a topology Networking topology indicates the network wiring forms There are mainly three types which are the start tree topology bus topology and ring topology They are more of logical topology than physical topology The 10BASE T 100BASE TX to be used for FL net is the star topology The 10BASES is the bus topology Question Answer What are the types and lengths of S
122. otocol Link communication FL net FA link protocol UDP IP Link relays 8192 points unit Unique protocol Link relays 4096 points unit Unique protocol Link relays 1024 points unit specifications Link registers Link registers Link registers 8192 words unit 4096 words unit 128 words unit Message comm hication Max 2048 byes Max 1024 bytes a MEWTOCOL MEWTOCOL not Max 2048 bytes Max 118 bytes specifications supported supported Number of nodes Max 99 units Max 254 units Max 64 units Max 32 units Data transfer function Available Not available Available Available Computer link Not available Not available Available Not available Available Available Available Remote programming For same Not available For same For multilevel hierarchy only hierarchy only Multilevel link communication Available Not available Available Available Degenerate link function Not available Not available Available Not available Serial communication function Not available Not available Available Not available Stored with Storage of setting data Stored with programs in CPU unit Stored in the unit programs in CPU unit Other functions Conform to FL net Note 10BASES is not available for AFP279601 1 3 Unit Types Name Part number Product number FP2 MEWNET VE link unit FP2 VE AFP27960 FP2 MEWNET VE2 link unit FP2 VE2 AFP279601 1 4 Functions of Unit
123. peater including the repeaters at the end 5 4 2 10BASE T System Connecting a hub reapeater hub to the transceiver via a transceiver cable AUI cable enables to connect more than one node as shown in Fig 5 4 3 Twisted pair cables 10BASE T are used to connect nodes to the hub The distance between the hub and the nodes is up to 100 m Twisted pair cable O Terminator 10BASE T Fig 5 4 3 Standard connections of 10BASE T system The cascade connection is also available within the range of 5 segments 4 repeaters with a hub The following is an example when the 10BASES is used as the main line 18 Terminator Twisted pair cable 10BASE T Fig 5 4 3 Example of maximum 10BASE T system configuration If the distance between nodes is short the nodes can be connected to the hubs via twisted pair cables without a coaxial calble or transceiver In this case the distance can be extended up to 500 m as 4 cascade connections for the hubs are ahievable 5 5 About FL net 5 5 1 Overview of FL net 1 Concept of FL net The FL net is the FA control network based on Ethernet The FL net supports the cyclic transmission and message transmission functions The basic concept of FL net is as follows Ethernet is used to the communication media physical level and data link between FA controllers The basic data transmission method is achieved using the UDP IP widespareaded on Ethernet The transmission within
124. pth 1 HO1 to H40 1 to 64 8 Specifying the remote station This should be specified right after the specification of the relay station se 1 1l n depth 2 Specifies HOO Unit No of remote station HO1 to H40 1 to 64 A il Example When using the program example shown on page 3 350 In this example the 5 words of data from DT20 to DT24 of the local station CPU1 are sent to DT100 and subsequent addresses of the CPU CPU5 shown below Connection diagram 3 363 High level Instructions In this example the control data beginning with DT10 depth 3 6 words should be specified as shown below To send the 5 words of data DT10 H0005 CPU1 Route 1 DT11 H8103 0 22 JCPU2 No 2 m 145210508 CPU2 Route 3 GPUS No4 7 l DT13 H0401 CPU3 Route 1 2 GPU4 No16 P DT14 H1002 CPU4 Route 2 3 CPU5 No 10 DT15 H0A00 Depth Precautions during programming It is not possible to execute multiple F145 SEND instructions and F146 RECV instructions at the same time The program should be set up so that these instructions are executed when the MEWNET send receive execution enabled flag R9030 is on 0 Execution inhibited F145 SEND F146 RECV instruction being executed 1 Execution enabled The F145 SEND instruction only requests that the data be sen
125. r each item The control data specified by S1 S1 1 is specified as follows S1 Specifying transmission unit and transmission method S1 HO NP Word unit Specifies No of transmisson words transmission H001 to H1FD 1 to 509 words when transmitting to Group A H001 to H1B 1 to 27 words when transmitting to Group B FP X FP2 FP2SH FP10S FP10SH FPO FP e FP1 FP M FP3 S1 H8 HO fixed nn Bit unit Bit No of local Bit No of remote transmission unit HO to HF unit HO to HF S1 1 Specifying the remote unit S141 HO fixed nn Selects COM port Unit No HO1 to H63 H1 or H2 1 to 99 1 Specifying the transmission unit and transmission method S1 If data is to be sent in word units specify the data volume and if it is to be sent in bit units specify the position of the target bit 2 Specifying the remote unit S1 1 Specify the remote unit with the unit number Specify either the COM1 or port from which data is transmitted to the remote unit Specify HO fixed for the route No 3 Specifying the area of the remote unit which is received by S2 and N Specify 0 for the device No of S2 Specify the memory area of the remote unit in which the data to be transmitted is stored specifying the type S2 and the address N in combination Example S2 DTO N K100 DT100 4 Specifying the area of the local un
126. rea is being sent to Bit No 0 of the memory area in the remote station H800F should be specified in S1 3 Specifying the remote station common to both word bit transmission 15 11 7 4 0 B Unit No HO1 to H40 0 to 64 Route No H1 to H8 1 to 8 Specifies HO The unit number should be converted to a hexadecimal number and specified For MEWNET W H01 to H20 1 to 32 For MEWNET P H01 to H3F 1 to 63 For MEWNET H to H40 1 to 64 3 359 High level Instructions Sending data to a PLC on a different hierarchical level What is a hierarchical link A hierarchical link functions as a relay station between two link units installed on the same backplane enabling communication between CPUs belonging to different networks A il Example Communicating with a CPU at depth 1 Local station Depth 0 tation Unit of relay source Unit of remote station Unit of relay destination Remote station In this way by passing data through a relay station communication is possible to a depth of 3 Note When using the MEWNET P and MEWNET W data can only be relayed one network deeper in the hierarchy 3 360 High level Instructions A il Example Communicating with a CPU at depth 3 sending data from CPU1 to CPUS Power CPU 1 Link Power CPU 4 The numbers CPU1 to CPUS have been temporarily assigned for the purpose of ind
127. s has not completed 05H The partner node detected the sequence number Trasmission failure version number error 005H code 06H The partner node detected the format error 00H 10H No ACK response of the home node 14H The home node detected the sequence number error of ACK 15H The home node detected the sequence number version number error of ACK AOH The destination node number is incorrect Node number 0 ATH The transmission data size is incorrect Transmission data size 1025 bytes or more Response message When requesting for writing a work block or returning 006H data length a message the data length of the message data 00H returned from the partner node is stored in bytes When requesting for reading a work block returning a message or reading log data the response message data returned from the partner node is stored 007H to Reseponse message When requesting for reading a network parameter the 207H data 1024 bytes network parameter of the partner node is stored in 00H Network parameter storage area When requesting for reading a device profile the device profile of the partner node is stored in Device profile storage area 13 1 10 Device Profile Storage Area Bank 1FH 000H COMVER COMVER of device profile is stored 00H Data format Ineger 001H 00H 002H 00H IDf device profile is stored 003H ID 10 bytes Re A 00H 004H Data format PrintableString 00H 005H 00H 006H REV REV device profile is
128. s stored in the CPU unit It is not stored in the MEWNET VE link unit 5 When the PC PLC link function is used the scan time of the CPU unit will increase The data exchange size for one scan can be specified by the system register No 49 PC PLC link data exchange size setting 46 4 3 Data Transfer Function 4 3 1 About Data Transfer Function Executing the data transfer instruction SEND instruction RECV instruction by the ladder program of PLCs enables data to be transferred betweeen the PLCs The maximum of 1020 words can be transferred by executing the data transfer instruction once I Read and write of I O and registers MEWNET VE link unit MEWNET VE link unit SEND instruction Wrte data in the I O and registers of partner node RECV instruction Read the I O and registers of partner node 2 Key Point The destination to communicate is specified with the unit number 1 to 99 on the ladder program of the PLC 4 3 2 Precautions for Using Data Transfer Function On the MEWNET VE link unit the data transfer function can be used between the units connected to the PC PLC link The units should be come into the PC PLC link to use the data transfer function of the MEWNET VE link unit Multiple data transfer instructions SEND and RECV instructions cannot be used simultaneously during the CPU processing scan When using multiple data transfer instructions in a ladd
129. ssage reception complete process Request signal R106 Complete signal R116 6 21 6 3 8 Procedure for Transmitting Transparent Message Process on ladder program Transmission data Transmission request signal Transparent message transmission Process onthe unit Transmission complete signal Transmission error signal Store data in transparent message transmission buffer 2 Set necessary information for transmission in transparent message setting area Turn on transmission request signal of handshake signal 4 When transparent message has been transmitted transmission complete signal or transmission error signal in complete signal area of handshake signal is turned on S Turn off transmission request signal when detecting transmission complete signal or transmission error signal is on When transmission request signal has been turned off transmission complete signal or transmission error signal is turned off Sample program R9010 151 DT1000 K512 HO Stores transmission message Always on J from DT1000 512 words R9013 Y H MV H55 DTO init pulse Destination node F0 MV H2710 DTI TCD Message transmission area setting r FO MV H 400 DT2 Transmission size F FO MV HO DT3 R9013 pA Lo MV H4 0712 Transparent message on gt transmission setting FOMV
130. t but the actual processing takes place when the ED instruction is executed The MEWNET send receive completed flag R9031 can be used to check whether or not the transmission has been completed R9031 0 Completed normally 1 Completed with error The error code is stored in DT9039 DT9039 If the transmission has been completed with an error R9031 is on the contents of the error error DT90039 code are stored For information on the contents of error codes refer to the manual for that particular link unit If the error code is H71 to H73 a communication time out error has occurred The time out time can be changed within a range of 10 0 ms to 81 9 seconds in units of 10 ms using the setting of system register 32 The default value is set to 2 seconds for FP3 and 10 seconds for FP2 FP2SH FP10SH Time out Waiting for transmission answer Time out Waiting for transmission buffer to be emptied Time out Waiting for response If there is any CPU other than the FP2SH and FP10SH connected to the network global transmission sending data using the HFF specification for the unit No should never be used The F145 SEND instruction cannot be executed if the target is a special internal relay from R9000 or a special data register from DT9000 DT90000 3 364 High level Instructions Additional information concerning the F145 SEND instruction Sending the special data registers and special internal relays
131. that is highly resistant to noises Recommended hub for MEWNET VE link unit CentreCOM RH508TP V2 Allied Telesis K K 3 2 LAN Cable 10BASE T Connections AFP27960 Retainer Confirm that the retainer is pushed up in 10BASE T use Unused 10BASE T connector RJ45 UTP cable 10BASE T EFR K 10BASE T Hub Connector RJ45 Unused Add a ferrite core near the unit of UTP cable in the environment where noise occurs 10BASE T connector RJ45 UTP cable m Eco ue Add a ferrite core near the unit of UTP cable in the environment where noise occurs 10BASE T Connector RJ45 3 2 1 10BASE T Connections Connect the UTP cable to the 10BASE T connecter RJ45 on the front panel of the MEWNET VE link unit 3 2 2 UTP Cable Use Category 5 UTP cable According to the ratings Category 3 or better cable can be used with 10BASE T but it is recommended to use Category 5 UTP cable or better cable which provides higher reliability According to the ratings UTP cable can be up to 100 m in length but considering noise resistance it is recommended to keep the cable under 10 m in length Use shielded cable in environments where electrical noise is likely to be generated 3 2 3 External Power Supply Terminal The external power supply terminal is not used when 10BASE T is being used 3 2 4 Grounding The F G pin of the external power supply terminal on the front of the unit is connected t
132. ts FEE EE EE EE When the communication status with other units is normal 48 47 46 45 44 43 BEE sol soj ael ar a this flag monitors the error occurrence of the PLC x 63 62 61 60 59 58 57 56 55 54 79 78 77 76 75 74 73 72 71 70 240 239 238 237 236 235 234 233 256 255 254 53 252 251 250 249 248 247 246 245 244 243 242 241 The numbers in the above table shows the unit numbers of corresponding link units Flag operating condition PC PLC link and no error Home 22 Pl li unit Not ot participating in PC PLC link or an error OFF Re BT occurs on PL Other Not partean in PC PLC link or an error OFF units Occurs on Home unit is not participati OFF all units Link error information The error information in the link unit can be output to the specified area in the PLC u Key Point The default of the setting tool is set to Not use the function 4 2 4 Examples of PC PLC Link Operation Example when using relay link area Use the link relay LO for the relay link area and turn on of the input X3 of PLC1 to turn on off the output Y1 of PLC3 PLC1 PLC2 PLC3 WLO Transmission area of PLC1 Reception area from PLC1 Reception area from WL1 Reception area from PLC2 Transmission area of PLC2 Reception area from PLC2 WL2 ae Reception area from PLC
133. ts can be used for one PLC Various network functions As the VE mode conforms to our network syste it enables the use in combination with other network systems sucha s MEWNET W As the FL net mode conforms to the FL net that is open network it enables the connections with the devices manufactured by other companies that supports the same network High capacity communicaction achieved The PC PLC link function supports communication up to 8192 points relays and 8192 words registers The VE mode supports data communication up to 1k words In the FL net mode up to 512 words 1 1 4 Differences With MEWNET H The VE mode of the MEWNET VE link unit is upward compatible with the MEWNET H link unit for the FP3 FP10SH however there are some differences Note them when replaceing the FP3 FP10SH 2 Reference lt 1 2 Comparison of Networks gt 1 2 Comparison of Networks MEWNET VE VE mode H link FL net mode MEWNET H compatible Eiksmet Twisted pair cable Communication interface Coaxial cable Multi drop 10BASE5 10BASE T RS485 Baud rate 10 Mbps 2 Mbps 500 kbps Example of cycle time 50 ms 32 units 2048 points 2048 words 68 ms 32 units 2048 points 2048 words 48 ms 16 units 1024 points 128 words Cable total length 10BASES5 500 m 2500 m 10BASE T 100 m 500 m The values in in parentheses when using a repeater 1000 m 800 m Communication pr
134. ts when using the hierarchy link function according to the following main flowchart Error occurs Does POWER LED of power supply unit light up No Check if the power supply is turned on properly Yes Check the operation of FP2SH Yes CPU unit Check the verson of FP2SH CPU unit is 1 6 or later Does ERROR LED of FP2SH CPU unit light up Yes Does HER LED of MEWNET VE link unit light up Yes Go to the flow chart when HER LED lights up No The followigns are the flowcharts for the malfunctions of each functions Check the state of the error occurrence following the flowchart for the related function When PC PLC link cyclic transmission does not work properly Go to 9 3 When data transfer function SEND RECV communication does not work properly Goto 9 4 When remote programming does not work properly Goto 9 5 When FL net message transmission does not work properly G to 9 6 9 2 When HER LED Lights Up HER LED lights up Turn off the power supply and then turn it on again Does HER LED turn off if the unit has been installed to another FP2SH CPU unit Did HER LED turn off This malfunction may be caused due to noises Take measures to avoid the effects due to noises Replace the MEWNET VE link unit Replace the CPU unit Causes Power supply of PLC Input output of PLC Transmission line laying 9 3 When
135. values should be calculated Message min transmission response time Tri min Message max transmission response time Trimax 10 2 1 Parameters Required for Calculating Transmission Time Parameter Symbol Description This is a fundamental operation time for performing the PC PLC link unit with the MEWNET VE link unit This time becomes the transmission time of PC PLC link cyclic transmission This is a cycle for ladder program processing and updating Tsc data and I O with a PLC It varies depending on the contents of ladder programs data size to be used and number of I O points This is a time before the input from I O is identified by a PLC Input delay time It varies depending the input unit to be used This is a time before the output from a PLC is reflected on Output delay time the output contact It varies depending on the output unit to be used When performing data transfer or message transmission a Message transmission time T msg message transmission time is added to the transmission cycle time of PLC 10 3 10 3 Parameters Required for Calculating Transmission Response Time 10 3 1 Transmission Cycle Time T x With the MEWNET VE link unit the PC PLC link cyclic transmission snip is a fundamental operation and data transfer or message transmission is performed by being added to the PC PLC link
136. vel Instructions 2 Example of bit unit transmission When the control data is as follows DT10 S1 MT Bit uut Bit No 13 of local station Bit No 5 of remote station DT11 S1 1 H010A ja Unit No 10 Route No 1 the on and off information of Bit No 13 of DT20 is sent to Bit No 5 of DT100 of Unit No 10 which is connected to route No 1 when the execution condition trigger RO turns on If the network is configured only of the FP2 FP2SH and FP10SH specifying FF HFF for the unit number sends the same contents to all of the link stations on the same network If the FP3 connected to the network global transmission using the HFF specification should never be used Description This sends the local station data for the area specified by S2 to the areas specified by the D and N of the remote stations connected with the MEWNET W MEWNET P and MEWNET H The remote stations routes and unit numbers the transmission unit bit unit or word unit the transmission method and other parameters are specified by the control data S1 F145 SEND execution p Link unit Local Remote station station F E D The remote station is specified by S1 If general purpose communication through the COM port of the FP2 FP2SH and FP10SH is being used F144 TRNS instruction is used instead of t
137. while turning on electricity It could lead to an electric shock Use the external devices to function the emergency stop and interlock circuit Connect the wires or connectors securely The loose connection could cause excessive exothermic heat or smoke generation Do not allow foreign matters such as liquid flammable materials metals to go into the inside of the product It could cause excessive exothermic heat or smoke generation Do not undertake construction such as connection and disconnection while the power supply is on It could lead to an electric shock Copyright Trademarks This manual and its contents are copyrighted You may not copy this manual in whole or part without written consent of Panasonic Industrial Devices SUNX Co Ltd Windows is a registered trademark of Microsoft Corporation in the United States and other countries Ethernet is a registered trademark of Fuji Zerox Co Ltd And XeroxCorp All other company names and product names are trademarks or registered trademarks of their respective owners PLC_ORG_ET Table of contents Glossary Before you strat FUNCTIONS AND RESTRICTIONS OF MEWNET VE LINK UNIT 1 1 Structure and Features of Unit 1 1 1 VE Mode 1 1 2 FL net Mode 1 1 3 Features of FP2 MEWNET VE Link Unit 1 1 4 Differences With MEWNET H 1 2 Comparison of Networks 1 3 Unit Types 1 4 Functions of Unit 1 4 1 PC PLC Link Cyclic Transmission Function 1 4 2 Data Transfer Function
138. work is using the MEWNET P and MEWNET W up to 16 words can be sent at one time 15 11 7 4 0 Number of transmission words H001 to H3FC 1 to 1020 Specifies HO M Example If 10 words of data are being sent K10 H000A should be specified in S1 2 Specifying bit unit transmission If bit unit transmission is being used the information of the specified bit in the memory area ofthe local station specified by S2 is sent to the specified bit of the memory area of the remote station specified by D and N 15 11 7 4 0 I1 T T Bit No of local station s memory area HO to HF 0 to 15 Specifies HO Bit No of remote station s memory area HO to HF 0 to 15 Specifies H8 AY il Example If the data of Bit No 15 of the local station memory area is being sent to Bit No 0 of the memory area in the remote station H800F should be specified in S1 3 Specifying the remote station common to both word bit transmission D Specifying the route No and depth Depth of remote station H01 to H03 Route No of local station H1 to H8 Specifies H8 3 362 High level Instructions 2 Specifying the relay station 5 1 should be used to specify only the specified amount of depth while S1 3 is used to specify depth 2 for the same item and S1 4 is used to specify depth 3 piu Route No of relay destination in depth 1 HO1 to HO8 Unit No of relay source in de

FP2 MEWNET-VE Link Unit Technical Manual, ARCT1F435E4

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