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Chapter 12 The Communication Function of FBs-PLC

1. DB9F D ee D be G SG pall G J RS232 Pin assignment of the connector 5 SG 3 RxD in 2 TxD out D 3RX D 6RX ASC 1TX 2TX Ethernet Pin assignment of the connector DB 9F fF S 3RX As se q ae 3 RxD in 1TX o 2 TxD out JTX S Ethernet 12 24 mt RS232 Pin assignment of the connec A tor RS232 lt gt RS485 Converter DB 9F es 9 AID NV D D Es i TX 0 ae FBs CM25C 4K NRO CO nver 2 RX 0 D 4 E 8 ES ae RX o D 5 o 2 5 SG G SG es 9 pam 2 o 3 RxD in Lo o 2 TxD out e RS 485 RS422 os VE Dp E ee A De TO m UN 422 E 485 E o RS232 e R5485 Repeater FBs CM5R FBs CM5R Pin assignment of the connector o R5485 HUB PNR CH1 CH1 SG1 4 ports RS485 HUB FBs CM5H FBs CM5H CH4 CH4 12 25 12 7 1 4 Port RS485 Central Hub FBs CM5H FBs CM5H is the 4 ports RS485 central Hub This module is not restricted to be used on FBs PLC series products and it can be used by the wide range application of RS485 communication interface This product can function as a repeater and it can support the star topology for wiring connection except the t
2. ggrsH pLIHOd 4 Q sebsu piHOd D T N 3 e TX 3 o TX R a oc Tl a o le B es md its IL Paes Nn Oo D ae FBs CM25E FBs CM55E 8 1 Ethernet connector Instead of traditional RJ 45 European 4pin connector with excellent contact is used for the vibration environment of the machine 12 30 O O N 2 Port4 connector For RS485 signal Port3 connector For RS485 signal FBs CM55E and RS232 signal FBs CM25E Ethernet status indicator LINK ON indicates that normal connection RX ON indicates that the module senses messages in the Ethernet TX ON indicates that the module is sending messages to the Ethernet Port4 status indicator RX ON indicates that Port 4 is receiving messages TX ON indicates that the Port 4 is sending messages Port4 terminating resistor switch This switch is used to control the connection of the terminating resistor in the module to Port 4 RS485 interface T means with terminating resistor N means Without terminating resistor Port3 status indicator RX ON indicates that Port 3 is receiving messages TX ON indicates that the Port 3 is sending messages Port3 terminating resistor switch This switch is used to control the connection of the terminating resistor in the module to Port 3 RS485 interface T means With terminating resistor N means Without terminating resistor
3. FATEK PROGRAMMABLE CONTROLLER 2 x RS485 COM Port FBs CB55 FATEK PROGRAMMABLE CONTROLLER 1 x RS232 1 x RS485 COM Port FBs CB25 FATEK PROGRAMMABLE CONTROLLER 1 x Ethernet COM Port FBs CBE FATEK PROGRAMMABLE CONTROLLER ETHERNET DB9F 5 SG RTS out 8 O 3 RxD in aad 2 TxD out Sy RS232 DB9F D D G SG DB9F o Ree RTS out 8 o Oo 3 RxD in CTS in 7 o 2 TxD out RS232 1 8 RX 12 22 12 7 Communication Modules CM For 3 communication ports application we need the optional communication board and we also need the extra communication module for 5 communication ports requirement The naming system for CM is as described above CM means communication module 2 means RS232 interface 5 means RS485 interface E means Ethernet interface The specifications and appearance of each CM is as follows Model Item Specifications FBs CM22 2 x RS232 COM Port Port 3 Port 4 with TX gt RX indicators FBs CM55 2 x RS485 COM Port Port 3 Port 4 with TX RX indicators FBs CM25 1 x RS232 COM Port Port 3 1 x RS485 COM Port Port 4 with TX RX indicators 1 x RS232 COM Port Port 3 1 x RS485 COM Port Port 4 FBs CM25E a do
4. s 9 a 0 FBs CM55E The example illustrate on above is the simplest server mode application Work station A and work station B are master that can send the command message actively to FBs PLC Upon receiving the command message Ethernet module will send the message thru the port4 to FBs PLC When there are more than one message intended to send to FBs PLC the Ethernet module will save the additional messages into the message queue then send it to FBs PLC in orders Must wait for the reply message before send the next command therefore there will no conflicts When work at this mode there is no need to write any program in PLC for operation Multiple PLC connection Station A Station B Station C Station Z q q q ooo 0 0 Ethernet FBs ST 1 FBs ST 2 FBs ST N RS 485 12 33 Under this application architecture The PLCs connect the Ethernet module with the RS485 interface of port4 The work station A and work station B are master that can send the command message actively to FBs PLC Upon receiving the command message from the network Ethernet module will re send the message to FBs PLC thru port4 interface When the message appears at RS485 line each PLC will compare the target station emb
5. 49 Ethemet adaptor Configuration i Oj x File About Configuration Channel Intranet Internet RS232 gt Click the Scan Map button then start the scanning of Ethernet module All the modules detected will be shown in the table Internet setup Step 1 Connect the Ethernet module and Hub with twisted Ethernet cable Step 2 Connect the PC to network and execute the network configuration software ether_cfg exe Use the mouse point to the Internet option buttons within the Configuration Channel group box and click it then the screen will be shown as below 4 9 Ethemet adaptor Configuration lol x File About Configuration Channel Es Intranet Internet R5232 Get Map Exit 12 37 At this time can input the remote IP address of the Ethernet module desired for configuration After click the Get Map button it will start to connect Ethernet module When the connection is established will show the information regard the connected Ethernet module in the table at the middle of window Common data setup Whenever the connection is established it will show the information regard the connected Ethernet module in the table at the middle of window no matter what the connection method is selected 4 4 Ethemet adaptor Configuration loj x File About Configuration Channel le Intranet O Intemet AS232 IF ddress Mame Ethernet Address
6. FBs ST 1 vor 45 67 Ethernet Ethernet FBs ST 1 Group 1 CPU aan he Re ages 12 34 In the above figure there are two groups of PLC The PLCs in each group are linked together by RS485 interface and then attach to an Ethernet module for network accessibility The station number 1 of group 1 is a master PLC which not only can access the other PLCs of same group but also can access the PLCs of group 2 with the help of two Ethernet modules bridging The Ethernet module attached to group 2 PLC is configured as server mode which means all the PLCs covered by this module are work as slave PLC and wait for the command passively It must emphasis that the PLCs under standard client mode Ethernet module can t access by other master devices thru network communication The role of this kind of Ethernet module is very similar to Fire Wall Only the messages fro
7. OP Mode 192 168 1 3 noname 4e 49 524 0 0 1 Sewer mat init Properties E xit At that time can double click the line where the desired Ethernet module is located or single click the line and click Properties button to perform the configuration If password not setting or correct password were entered will show the screen as below 4 Adaptor s Properties 5 _ oj x Firmware Version 2 0 Import Export Co General Password Access Control Misc Remote Config Enabled o Advance Setup IF Address 192168 1 3 Operation Mode Server Subnet Mask 255 255 255 0 Protocol Fatek Gate Vay 192 168 1 1 Baud Rate a600 piel IMS noname Party Ewen Data Bit 7 Comment not init yf OF MM Cancel Follows are the description of each field shown in above 1 Firmware Version Denotes the software version of Ethernet module for configuration 2 IP Address IP address of Ethernet module for configuration 3 Subnet Mask Subnet mask of Ethernet module for configuration 4 GateWay The IP address of gateway for Ethernet module for configuration 5 Host Name For documentation can be used to distinguish Ethernet module At most can consist of 11 characters 6 Comment For documentation can be used to distinguish Ethernet module At most can consist of 21 characters 7 Operation mode Client or server mode selection 8 Protocol There are two communication protocols were supp
8. All the DIP switches between both end should be on the position OFF or the driving power of RS485 may become insufficient The diagram below shows the setting and application of terminating resistors a Ca E er E A ae eS ae eas 7 MK RES The end Ea ta yi LUA L The end D D D D D D f right of left paka RE T D D of rig station A vy Ric ss via y y ro station T Emm T T mm N T m sw sw adjust to OFF sw sw Should open the cover adjust to ON for most left and right PLC units e The built in RS485 terminating resistors of FBs PLC is not only having impedance matching feature but also having BIAS feature When all the output drives are OFF no output the application must maintain the correct setting at least one set to ON 12 7 Strategies against noise When wiring for RS485 network is implemented based on the described materials and rules or a 1200 terminating resistor is added most noise situations are eliminated However if noise cannot be eliminated it means that there are strong noise sources near the RS485 network Besides keeping cables far away from noise sources e g electromagnetic valves inverters servo drivers or other power units the most effective way to solve the problem is to use noise suppression components Refer to the description in Section 7 5 in the Hardware Manual
9. PLC Other modules CM25E CM55E provide two serial ports Port 3 and Port 4 for communication applications Port 4 is only used in conjunction with RS485 for Ethernet signal transformation while Port 3 is used for other peripheral control purposes 12 8 1 Specifications 12 8 1 1 2 8 1 1 Connector Specifications 2 8 1 1 Connector Specifications Power European 3pin Port4 RS485 European 4pin Ethernet 10BaseT O comector o E connector E connector E 4pi connector FBs CBE Ethernet 10BaseT RJ45 150mA CPU 5V power source 12 8 1 2 Ethernet Specifications 10BaseT IEEE 802 3 Transmission TCP UDP IP ARP Protocol ao Client Mode FATEK UDP Application Protocol FATEK TCP UDP Modbus TCP Link status indicator LINK transmission status indicator TX Status Indicator hace receiving status indicator RX 12 29 PLC port Portl Fatek server mode Fatek client mode or Modbus server mode 9600 19200 38400 57600 115200 230400 CM25E CM55E PLC baud rate 115200 CBE Description Use permitted IP for access control Windows Network Building Software Server and Client modes 10 Port mapping group 18 size TCP connections Max 8 connection at a time only for the Server mode 12 8 2 Appearance 12 8 2 1 CM25E and CM55E Appearance of A A JINdaIHII N O0 OQ JINdaIHII N O0 wo J
10. With Ethernet interface with RUN Link TX RX indicators 1 x RS485 COM Port Port 3 1 x R8485 COM Port Port 4 FBs CM55E of With Ethernet interface with RUN gt Link gt TX RX indicators RS485 specification Electrical EIA RS485 Standard Specification built in the terminator with the DIP switch setting Ethernet 4 PIN European style movable terminal plo Caio Electrical 10BaseT gt IEEE 802 3 standard x MA main unit does not support expansion of communication modules therefore it can only have up to three COM Poris e 2 x RS232 COM Port DB9F E Cs se Bo O 7 5013 RxD in FBs CM22 o f 2 TxDiout RS232 ys of o D q o D 7 N o X Pin assignment of the connector FBs CM22 12 23 2 x RS485 COM Port ot Ee Je A DA n o 2 FBs CM55 S8pSu ELHOd o q FBs CM55 RS232 4 RS485 COM Port sgysH Pp LHOd o q FBs CM25 J 4 x lt looooo 2 r OR f 0000 AY A zezsH ELHOd LO ee A FBs CM25 2 x RS485 COM Port Ethernet JINHaIHII no OD Q sgysH pLHOd o l FBs CM55E sgysH LHOd m3 m 8 JJ 21 m ds S8pS4 p LHOd o 6 FBs CM25E zezsu ELHOd 0000 O l TOOS FBs CM25E
11. bad or worsen communication MM X 12 26 Working mode settings 1 Symmetrical mode Function of every port is the same Signal received by any one port would transmit to the other ports 2 Asymmetrical mode Port 1 is the master and signals received by it will be transmitted to other ports but signal received by port 2 4 would only transmit to port 1 JP2 JP2 Asymmetrical mode Symmetrical Mode 12 7 2 Isolated RS485 Repeater FBs CM5R FBs CM5BR is the universal RS485 repeater This module is not restricted to be used in FBs PLC series products only it can also be used in wide range of RS485 interface application The feature of this product is the opto electric insulation design between the two RS485 ports protecting system from disrupted current caused by difference in grounding potential Installation is very convenient just fix it directly onto DIN Rail or screw it on Setting for terminator Terminator ON Terminator OFF 12 27 12 7 3 Isolated RS232 RS485 Bi Directional Signal Converter FBs CM25C FBs CM25C is the interface signal converter between RS232 and RS485 network This module is not limited to be used on FBs PLC series products it can be used as the universal converter between RS232 and RS485 interface The feature of this product is the opto electric insulation design between the two ports protecting system from disrupted current caused by difference in grounding potential Another feature
12. dio sf Click Add to add one set of authorized IP Click Del to delete a set of authorized IP Click Edit to Ed a modify an existed authorized IP data After click the Add function the screen changes to bT Access Permited IF Grant IP EEE Group size fi x Cancel With this dialog to define a set of consecutive authorized IP addresses Please input the first IP address of the consecutive IP addresses in the Grant IP field and input the size of IP addresses in Group Size filed Port mapping setup This setting can only need to perform when Ethernet module is work at client mode When the working mode is set to client mode the basic configuration data page changes to 12 40 A Adaptor s Properties x 192 168 1 3 255 255 255 0 192 168 1 1 ponme am oS EE It has an additional Port Mapping tab when compare with server mode after click the Port Mapping tab the screen changes to Move the cursor to the table locating in the center of window then click the right mouse button then the screen appears a pop up menu as shown below Click Add to add one station mapping data Click Del to delete a station mapping data Click Edit to modify an existed station mapping data After click the Add command the screen changes to s 6 Port mapping entry Following are the description of each field shown in above 12 41 1 Local Station The station
13. is the direction change control utilizes automation to adjust in accordance with different data transfer rate and data format Installation is very convenient just fix it directly onto DIN Rail or screw it on FBs CM25C DIP Switch Setting There have three DIP switches at front panel of FBs CM25C as the diagram shown below User can select the RS485 or RS422 working mode by setting the DIP switches RS485 Terminator If choose built in termination resistor please turn the switch to ON the T position turn to left T Ee n On the other hand if choose no termination OFF then turn the switch to N position turn to right When choose RS422 interface please turn the switch to 422 position turn to left RS485 RS422 Selection When choose RS485 interface please turn the switch to 485 position turn to right 12 28 12 8 FBs Ethernet Communication Module and Application Network communication has far reaching applications and is helpful for the circulation of information Though most of the software systems are designed for commercial use the CIM application in the manufacturing industry and the ongoing development of the Internet speed the application of network communication in industries In the circumstances FATEK develops a series of Ethernet Serial Port Bridge Module as a cost efficient and effective FBs PLC network connection solution for customer The FBs CBE module only provides connection of the Ethernet to FBs
14. number of local PLC 2 Remote Station The station number of remote PLC 3 Remote IP The IP address of Ethernet module connected by the remote PLC 4 Group Size With execute this dialog once can define a group of station mapping for example if we want to map the local PLC station number 20 29 to remote PLC station10 19 and the IP Address of remote Ethernet module is 192 168 1 3 then can set the Local Station to 20 Remote Station to 10 Group Size to 10 Remote IP to 192 168 1 3 The Ethernet module can provide at most 19 groups of station mapping Service port setup EECECEEEETEEEE EEE EE IT CEEE EEE CEEE EEEEEETEEEEEEEEEETE O General Password Access Control Misc Fatek Service Port Number Major Port 500 secondary Port 500 MMadBus Service Por umber Major Port 502 secondary Port 502 The Ethernet module when work either in TCP or UDP server mode should be assigned a service port number for client access The default port number for FBs series Ethernet module is port 500 If the user want to change the port number can click the MISC tab and change the Major port field to desire port number Second port field provides the UDP working mode the opportunity to have dual service port number one is port 500 the other is port number appear in Major port field Update configuration When finish the editing of configuration data please click the OK button of the adaptor s properties window to update
15. ports only Port 1 needs register configuration To set the Dedicated Modem Interface High Byte of R4149 55H Remote Diagnosis Remote CPU Link by way of Port 1 through Modem connection it supports user program controlled dial up function AAH Remote diagnosis by way of Port 1 through Modem connection it supports Passive receiving amp Active dialing operation mode Other values without above function 12 5 Description and Application of Software Interface Types 12 5 1 Standard Interface The port with the standard interface is controlled by PLC CPU and the communication transaction of the ports is controlled by FATEK Standard Communication Driver or Modbus Communication Driver All accesses to the port must be executed in the format of FATEK PLC Protocol or Modbus Communication Driver FP 08 WinProladder software package and many HMI and SCADA have communication drivers conforming to FATEK PLC Protocol so linkage is built immediate when the standard interface port is connected and the hardware interface and communication parameters are consistent When no such conforming communication driver is available additional commands that conform to the format of FATEK PLC Protocol or Modbus Communication Driver must be written for PLC communication 12 5 2 Modem Specific Interface R4149 high byte AAH means that Port 1 is set up to Modem specific interface Though CPU uses FATEK Stand
16. system integration and monitoring purposes The interface of communication board CB or communication module CM has RS232 or RS485 to choose e RS232 interface The communication port of Port1 Port4 can be utilized by installed the RS232 communication board or module Each communication board or module provides one or two standard RS232 9 Pin D sub female connector s While application the user can buy a standard 9 pin RS232 cable directly from computer store or follow the example diagram at below to DIY the cable Connector Type 9Pin os rue a a er seo Ft port1 port2 usage only FBs PLC Non usage 12 10 9P D sub female 9P D sub male RS232 communication cable Female Male TN D ors O i aa s 6 o gt 89 o 1 3 7 O 5 2 80 i 4 e a 90 6 ot Edit 1 J we N i q Nec J 9P D sub male gt 9P D sub male RS232 communication cable Male Male N a 3 a a 70 re lt T 3 8 e 3 p aa o 96 o 96 o Ne Ne If you make RS232 cables by yourself and the definition of each pin is not clear use a multimeter for measurement to determine TXD and RXD 9 Pin connector The pin 5 is SG Measure the pin 2 red probe and the pin 5 black probe with a multimeter If it is approximately 9V it means that the pin 2 is the transmission pin If it is approximately OV it means that the pin 2 is the receiving pin Measur
17. the PLC host The PLC host checks the content of the phone number register only at the moment when the power of the PLC host or Modem is turned on OFF gt 0ON Therefore any change to R4140 R4145 e g save or removal of a phone number is only effective when the power of the PLC host or Modem is turned off and turned on again B Active dialup mode When an effective phone number is stored in the internal phone number register of the PLC host it enters the active dialup mode at the moment when the power of the PLC host and Modem is turned on In this mode Port 1 can dialup a phone number in R4140 R4145 via Modem for connection to the remote Modem corresponding to this phone number When both machines connect successfully the PLC host exits the dialup mode and runs into connection state The remote Modem can fully control and access the PLC host If dialing fails the PLC host executes the second dialing to a maximum of three redials about 3 minutes If the third redial fails the PLC host exits the active dialup mode and enters the passive reception mode It also sets up the Modem to the reception mode waiting for calls from a remote Modem Only the phone number that is stored in the Modem phone number register in the following format will be identified as effective by the PLC host The phone number must be written hex decimally Only 0 9 and E are meaningful in the hexadecimal digits A stands for dialing delay and is usually
18. the user to set the transmission delay time to slow down the expiration of message frame High byte of R4147 Port 1 transmission delay time setting Unit in 10mS High byte of R4159 Port 2 transmission delay time setting Unit in 10mS High byte of R4045 Port 3 transmission delay time setting Unit in 10mS High byte of R4048 Port 4 transmission delay time setting Unit in 10mS Receive time out span setting While the communication port being used as the master of FATEK CPU LINK FUN151 or Modbus RTU FUN150 multidrop s network it allows the user to set the receive time out span to detect whether the slave station on line or not Unit in 10mS Unit in 10mS Low byte of R4147 Port 1 receive time out span setting Unit in 10mS Low byte of R4159 Port 1 receive time out span setting Low byte of R4045 Port 1 receive time out span setting Unit in 10mS mem SS Low byte of R4048 Port 1 receive time out span setting New message detection time interval setting 1 While the communication port being used as the master or slave of Modbus RTU protocol the system will give the default time interval to identify each packet of receiving message if the default works not well the user can set this time interval through the high byte setting of R4148 and let M1956 be 1 to avoid the overlap of different packet of message frame When M1956 1 High Byte of R4148 is used to set the new message detection time interval for Po
19. used for international calls or extensions of an automatic switchboard a A is about 2 seconds B stands for and C stands form Among the effective digits 0 9 is used for phone numbers while E stands for the end of a phone number Since each register has 4 hexadecimal digits R4140 R4145 have 24 hexadecimal digits and maximum 23 digits the end character E not counted can be stored in R4140 R4145 Phone numbers are stored in order from digit O of R4140 to digit 3 of R4145 For example the phone number 02 6237019 is stored in the following order Direction Digit 3 Digit 3 End character Digit 3 Digit O DELA x Any value from 0 to F 2620H is stored in R4140 1073H is stored in R4141 and XXE9H is stored in R4142 R4143 R4145 can be any value Please note that the last digit of the phone number must be followed by the end character E The PLC host will ignore the number any value from 0 to F behind E Only the value 0 C is acceptable before E Any other values will be regarded as ineffective If the telephone bill is paid by the service unit answering the call no effect phone number should be stored in the 12 19 internal Modem phone number register of the PLC host so that it will enter the reception mode when turned on and the service unit will then call the client If the phone bill is paid by the client at least one effect phone number must be stored in the inter
20. 0 4950H IP setting is decided from PLC register If not same as this value then decided from configure When PLC decided configure IP limit can only be C class which is Netmask 255 255 255 0 If IP is indicated as A B C D then Router is indicated as A B C R D3991 A D3992 B D3993 C D3994 D D3995 R When the value of A B C D or R is greater than 255 or when the value of D or R is 0 then is D3990 not 4950H Setting example Suppose IP has been set as 192 168 2 10 and router 192 168 2 1 then the register setting is as below D3990 4950H D3991 192 D3992 168 D3993 2 D3994 10 D3995 1 12 43 1 When using CM25E 55E Ethernet module and Modbus communication protocol should remember to set the corresponding communication port Port4 to Modbus communication protocol CBE will automatically set of main unit side PLC side In addition in order to set working mode for Ethernet module and set Modbus for communication protocol it should through FATEK Ethernet Configure Software Ether c fg exe 2 When CBE is planned as client mode it is operated through Port2 of PLC Therefore the Pt parameter of CLINK instruction from the PLC should set to 2 Port2 in order to operate normally Otherwise client mode only supports FATEK UDP application protocol 3 When using FATEK Ethernet configuration software Ether cfg ext to do internet scanning Ethernet module an if the indicator RX and TX flashed but didn t detected t
21. After decode the received message it will send the message thru serial port to the PLC main unit The reply message from the PLC will intercept by this module and packed into data packet then transmit to the network hence complete a server mode transaction When operates at client mode the Ethernet module will wait for the message coming from the serial port If the received message is for the PLC located at the remote site connected by network the Ethernet module will pack the message into data packet for network transmission and send it to network After send the message to network the Ethernet module will wait for the reply message coming from network when it receives the reply message it will direct the message to serial port for PLC hence complete a client mode transaction The network connection of Ethernet module depicted in the figures at following chapter for clarity will only be drawn by a direct link Actually the network interface of the Ethernet module is 10BaseT which should attach with Hub in order to connect with network 12 32 12 8 5 1 Server Mode When operates at server mode the direct connected single PLC or the stations connected by RS485 CM25E CM55E are all work at slave mode which will wait for command message passively and reply the command Follows are example of server mode application Single FBs PLC connection Station Station B Ethernet PROGRAMMABLE CONTROLLER
22. Chapter 12 The Communication Function of FBs PLC The FBs PLC main unit has been built in the communication portO with optional USB or RS232 interface If additional communication boards CB have been purchased then it can increase to 2 3 communication interfaces depending on the model of CB If it is still not enough communication modules can be added to expand the number of communication interfaces to 5 PORTO PORT4 There are three types of communication interfaces RS232 RS485 or Ethernet to choose from in both CB and CM Among them Port 0 is a permanent interface for FATEK communications interface which is controlled by the CPU of the PLC using FATEK Standard communication driver to manage the communication transactions of the Port i e FATEK communication protocol Any access to the Port must comply with the format of FATEK communication protocol to get responses from the PLC This includes starting character station no command code body error check code ending characters etc for more details please refer to Appendix 2 FATEK communication protocol WinProladder and numerous HMI and SCADA software are equipped with communication drivers complying with this communication protocol therefore where the parameters on hardware interface and communications are consistent communication connection can be established by just connecting the communication Port with the Standard Interface If the communication driv
23. EK CPU Link network 12 1 2 Communication Porti Port4 RS232 or RS485 Serial Interface Functional specification e RS232 interface functional specification complies with the EIA RS232C standard communication parameters are adjustable up to highest communication rate of 921 6Kbps Factory setting and system initialization communication parameter is configured to the default communication parameter e RS485 interface functional specification complies with EIA RS485 standard Basic usage There are 3 types of software interface are selectable as follows Standard interface Connectable to peripherals with RS232 or RS485 interface such as computer WinProladder HMI SCADA etc 2 Port1 dedicated modem interface It can actively or passively connect to remote computers or conduct auto information gathering warning or anomaly reporting for remote servicing via MODEM Ladder diagram Program controlled interface User can control Porti Port4 through the ladder diagram instructions such as FUN94 ASCWR command to take control of Porti and connect to printers with RS232 hardware interface for Chinese English report printing FUN151 CLINK command takes control of Port1 Port4 to establish connection with FATEK CPU Link or peripherals with RS232 or RS485 interfaces FUN150 MBUS command can turn Port1 Port4 into a master of Modbus RTU ASCII communication protocol for connecting Slaves with this communication protocol 4 Port2 c
24. FUN151 CLINK instruction to provide remote data acquisition through the Ethernet network between the PLC s Client Mode Note For details on Client Mode of FBs PLC network interface please refer to the explanations in section 12 8 12 2 How to Use FBs PLC Communication Functions Refer to the diagram in Section 2 2 Combination of PLC and Peripheral Systems in the Hardware Manual for the connection of FBs PLC to the host computer intelligent peripherals and other PLCs Among Port0 Port4 only Port 2 provides real time response function real time data is processed immediately when received or sent without being affected by scan time and communicates with binary code two times ASCII code Other ports use ASCII code for communication in the standard mode and data will not be processed until the scan is complete and housekeeping is active Thus there will have the service delay because of the scan time Port2 should be provided for each PLC to share data with each other via FATEK high speed CPU Link i e the MD3 mode of FUN151 CLINK to meet the real time monitor requirements PortO Port1 Port3 Port4 should be used for intelligent peripherals HMI SCADA and other non real time control applications for data collection and monitoring 12 3 Hardware Wiring Notifications for RS485 Interface In the FBs PLC communication interfaces RS232 provides only point to point connection function while RS485 provides connecti
25. K protocol 1 Port 1 acts as Modbus RTU protocol b2 0 Port 2 acts as FATEK protocol 1 Port 2 acts as Modbus RTU protocol b3 0 Port 3 acts as FATEK protocol 1 Port 3 acts as Modbus RTU protocol b4 0 Port 4 acts as FATEK protocol 1 Port 4 acts as Modbus RTU protocol 12 12 b5 b Reserved X It allows to assign multiple ports for Modbus RTU protocol where the corresponding bit must be 1 For example R4047 5502H Assign Port 1 as Modbus RTU protocol R4047 5504H Assign Port 2 as Modbus RTU protocol R4047 5506H Assign both Port 1 and Port 2 as Modbus RTU protocol Refer to The rule for address mapping between Modbus and Fatek Chapter 12 Method 2 FBs PLC OS V4 24 or later can support this method R4047 Upper Byte 56H configure the communication port of FATEK or Modbus RTU ASCII communication protocol other values it doesn t work above function the default is FATEK communication protocol Lower Byte Port1 4 FATEK Modbus RTU Modbus ASCII communication protocols Format as below Upper Byte Lower Byte i 2 2 Ponz works Modbus RTU protocol Port1 Port4 works the master of Modbus RTU ASCII communication protocol If PLC communication port is a Slave station of Modbus RTU Modbus ASCII please follow the use of above method to plan Modbus RTU Modbus ASCII protocol interface If PLC communication port is a Master station of Modbus RTU Modbus ASCII please follow FUN150 M B
26. Module status indicator RUN Quick flashing indicates normal operation Slow flashing indicates active setup 12 8 2 2 CBE Appearance LINK FATEK PROGRAMMABLE CONTROLLER am ETHERNET Ethernet connector Standard RJ45 connector Ethernet status indicator LINK ON indicates normal connection RX ON indicates that the module senses messages in the Ethernet TX ON indicates that the module is sending messages to the Ethernet 12 31 12 8 3 Serial Connector Function Only CM25E CM55E Provides Port3 connector The signal level of Port3 connector is of RS232 CM25E or RS485 CM55E This port can be treated as a general communication port of FBs PLC module and used for peripheral applications Port4 connector The signal level of Port4 connector is of RS485 CM55E The main function of this port is to couple the Ethernet signal to FBs PLC module this port also can be treated as a general communication port of FBs PLC module and used for peripheral applications Whenever the FBs CMX5E module receive a data packet from the Ethernet interface the same data packet also will appear at this port Ethernet to serial port conversion On the contrary if a data packet is received at this port and the destination is due for network by lookup mapping table it will also appear at Ethernet network Because the multi drop characteristic of RS485 interface install one FBs CMX5E can provide more th
27. Shield i FBs 232P0 9M 400 Mini DIN male 9 Pin D sub male Mini DIN Male PLC Site O Male P TXD aa 692 RXD Pee Es Dee 9 5 SG f o N va cs oe Shield 4 Neos i J non standard MD4M to DB9F communication cable FBs main unit Port O RS232 connect to FBs 232P0 9F 150 standard DB9M length 150cm MD4M to DB9M communication cable FBs main unit Port O RS232 connect to FBs 232P0 9M 400 DB9F length 400cm FBs USBP0 180 PortO USB cable standard commercial USB A gt B 180cm long 12 9 FBs 232 PO 9 F 150 Cm sp nioi eom iai distance unit cm R F Female FBs Series product M Male name 9 9Pin D sub Port on the PLC gt PO PortO RS232 PO PortO USB External s 232 RS232 mages USB USB1 1 Port1 Port4 RS232 interface expandable It can expand 1 2 communication port interface according to the model number of CB if purchase communication board CB The maximum expandable communication port is 4 Port1 Port4 with extended CM modules Port1 Port4 is the default setting or default for PLC system initialization of FATEK standard communication interface In order to provide the majority applications and needs of communication cable extension Port1 Port4 is not only provide FATEK standard communication interface but also provide powerful communication instructions In this way users allow to program their application communication through Ladder instructions which can easily achieve
28. US instruction refer to below diagram Please refer to Chapter 13 for further details of FUN150 M BUS instruction 12 13 M1936 gt En M10 ABT 12 4 3 Settings for Communication Parameters Communication parameters can be set up for each of the 5 FBs PLC ports When out of factory or communication parameters of Port 0 Port 4 are set to the same parameters of Port O before shipment or after system initialization See A complete character transmission cycle the table below i 7 or 8 bit K Next character or its us TxD transmission starts RxD Marking DO D1 D2 D3 D4 Ds D6 D7 0 1 a pofte to 7 Start Parity Stop Start bit bit bit bit Default communication parameters Register Default Value Default Baud Rate Other default Parameters etup R4050 5621H 9600 bps 7 bit Data Even gt 1 bit Stop R4146 5621H 9600 bps 7 bit Data Even gt 1 bit Stop R4158 5621H 9600 bps 7 bit Data Even gt 1 bit Stop Port 2 R4161 5665H 153600 bps 8 bit Data Even gt 1 bit Stop P speed Pots 3 R4043 5621H 9600 bps 7 bit Data Even 1 bit Stop Port 4 R4044 5621H 9600bps 7 bit Data Even gt 1 bit Stop X When a port is set to Modbus RTU protocol data bit is always 8 bit x Port 1 Port 4 also provides Baud Rate settings for user defined 1125 bps 1152000 bps 12 14 x Port O can be changed the baud rate only the other parameters are always 7 bit Data Even 1 bit Stop Also Por
29. an one PLC to hook on Ethernet 12 8 4 Transforming From Ethernet to Serial Communication The operation principle of Ethernet serial converter is to take this module as interface and receive all the messages from network that intend to the PLCs managed by this module then convert it to the serial signal that can be accepted by PLC and transmit it thru port4 The operation is completely transparent in other words The FBs PLC cannot distinguish the message is from local or network the reply message is the same with normal RS232communication When the FBs CMX5E or FBs CBE module for clarity it will be referred as Ethernet module in following context receives the reply message of PLC will pack the message into network data packet then send it to the network It must emphasis here that the network environment is complicated and not adequate for real time data transfer and can be use mainly for monitoring but not for control The main reason to use the network for factory communication is for its connectivity The application which required to access one processor at same time by multiple clients previous was difficult to implement by RS232 and RS485 can now easily achieve by network solution 12 8 5 Application Structure Base on the different requirements of network application this module provides two operating modes Server Mode and Client Mode When operates at server mode the Ethernet module will wait for the message coming from the network
30. an provide FATEK high speed CPU Link function Extended usage Under Standard interface act as the Slave for multi drop FATEK RS485 or point to point RS232 CPU LINK network Under Ladder diagram program controlled interface types Port1 Port4 has the following functions Use MDO mode of FUN151 CLINK instruction to act as the master for FATEK CPU Link network Use MD1 mode of FUN151 CLINK instruction to actively connect to intelligent peripherals equipped with this communication interface such as other brands PLC servo driver temperature controller inverter message display etc Use MD2 mode of FUN151 CLINK instruction for connection to receive the intelligent peripherals equipped with this communication interface such as card readers bar code readers weighing scales etc 4 Port2 can utilize MD3 mode of FUN151 CLINK instruction to act as the master for FATEK high speed CPU Link network Use FUN150 MBus instruction to act as the Master for Modbus RTU ASCII communication protocol to connect to peripherals with this communication protocol 12 1 3 Ethernet Interface Functional specification e Comply with IEEE802 3 standard to provide 10Base T interface Basic usage Provide intranet or internet connectivity within the plant It can connect to WinProladder HMI SCADA with Ethernet network interface and FATEK communications driver or Modbus driver 12 3 Extended usage e It can coordinate with MDO mode of
31. ard Communication Driver or Modbus Communication Driver to control the communication transaction of Port 1 connection must be made via Modem In other words Port 1 is controlled by Modem Driver before communication starts no matter whether active dialup or passive reception connection is concerned and no access is allowed to PLC The Modem Driver is only used for Modem connection and transfers the control of Port 1 to FATEK Standard Communication Driver when Modem is connected successfully and Port 1 becomes the standard interface This section discusses the operation of Modem active dialup connection and passive reception connection 12 18 With the Modem specific interface the PLC allows Port 1 to dial up a remote Modem actively or receive messages from a remote Modem passively depending on the setting of the internal phone number register R4140 R4145 When connection of both machines is successful transmission or reception of data is executed via the phone cable A Passive reception mode When no effective phone number is stored in the internal phone number register of the PLC see B below it will enter the passive reception mode and set up the Modem to the reception mode waiting for a remote Modem to dial up When both machines connect successfully and the inbound signal is correct the PLC host exits the reception mode immediately and runs into connection state The remote Modem can fully control and access
32. ce is of the same type Incorrect connection of different type of communication interface may cause the permanent hardware failure Also please make sure that the signals of mating connector are all match For example TXD must connect to RXD RTS if any should be connected to CTS The interface of USB RS232 and RS485 are described at bellow Ethernet is described at section 12 8 PortO USB interface built in The FBs PLC equipped with portO USB interface can be order by suffixed an U letter in the CPU model number The portO can only be acted as slave Its connector is a standard USB B type connector The user can use the standard USB A 12 8 to USB B cable can buy from FATEK the product number is FBs USBP0 180 please refer the description at below to connect the PC and PLC PortO RS232 interface built in The CPU model number with no U letter suffixed is a FBs PLC that built in a portO RS232 interface The connector for portO RS232 is a 4 pin Mini DIN female connector FATEK provides a dedicated connection cable that has a 9 Pin D sub female connector at one end for the PC or peripherals to connect PLC portO RS232 The wiring diagrams of portO USB and RS232 connection cable are shown at below FBs 232P0 9F 150 Mini DIN male gt 9 Pin D sub female Female Mini DIN PS PLC Site w Male Z a TXD i 2TA Y TON 104149 80 ao RXD tl nae 7 62 se ee e ui ey
33. dware Installation DIP switch setting Termination resistor installation FBs CM25E CM55E In order to meet the termination requirement of RS485 network all Ethernet modules equip with a set of built in termination resistor to ease the field installation The termination function can be setup by the DIP switch seen from the front cover as follow When both switches are at T position it means termination resistor is in effective When at N position means no termination resistor attached by this module When implementation there are only two modules that located at opposite far side need to terminated Excessive termination will over load the whole network thus must be avoided Password protection setup When the password has been entered enabled the user will be requested to enter a matched password each time when perform the configuration via configuration utility ether cfg exe In other words in case the user forget the password then he she no longer can modify the module s configuration To prevent this situation from occurring there also provides a jumper to disable the password protection temporary This jumper can be accessed only when the module s plastic cover is removed The relative location of jumper is depicted at follow 12 35 No Password Protection Sa Password Protection CM 25E CM 55E When CM 25E CM 55E or CBE the jumper cap of JP1 is at upper position linked by white line the password protectio
34. e the pin 3 red probe and the pin 5 black probe by a multimeter If it is approximately 9V it means that the pin 3 is the transmission pin If it is approximately OV it means that the pin 3 is the receiving pin Port1 Port4 RS485 interface expandable The communication port of Port1 Port4 can be utilized by installed the RS485 communication board or module Each communication board or module provides one or two standard RS485 3 pin European plug able terminal block The pin assignment of connector s is show below 12 11 12 4 2 Selection and Setting of Communication Protocols Besides offering the FATEK protocol by default Portf Port4 can be set to Modbus Slave protocol The following shows the setting steps in the WinProladder Click the protocol Setting gt a port can be set to Modbus RTU or FATEK Protocol Protocol a 4 x Port Fatek communication prot Porte Fatek communication prot Port Mode us ATU S ave Fort ModEus ATU Slave x Cancel Besides you also can setting the communication protocol through special register e R4047 Upper Byte 55H configure the communication port for Modbus RTU protocol Other values Port 4 don t support Modbus RTU protocol The defaults are FATEK protocol Lower Byte Port assignment for Modbus RTU protocol Upper Byte Lower Byte SSH b b6 b5 b4 b3 b2 b1 bo b0 Reserved b1 0 Port 1 acts as FATE
35. ed in message against its own station ID If the result is true then it will reply according to the command message The reply message will intercept by the Ethernet module and re pack then send to the network When there are more than one message intended to send to FBs PLC the Ethernet module will save the additional messages into the message queue then send it to FBs PLC in orders Must wait for the reply message before send the next command therefore will not have conflicts When work at this mode there is no need to write any program in PLC for operation 12 8 5 2 Client Mode While work at client mode CM25E CM55E the Ethernet module will wait the command message at port4 When it finds the message is for the PLC station located at remote site then it will pack the message according to the content of port mapping table and send it to the network After that Ethernet module will keep an eye on network for the reply message Upon receiving the reply message the Ethernet module will decode the message then send back to PLC thru serial port hence complete a client mode transaction When work at this mode the direct connected single PLC or the master station of PLC LINK connected by RS485 interface CM25E CM55E are all operated at master mode which means it use LINK instruction mode0 to send the command actively The client mode also can be further divided into standard mode and virtual server mode Explanation as follows Standard mode When
36. er with complying communication protocol is not available besides writing its own commands complying with FATEK communication protocol to communicate with PLC the commonly used industrial Modbus RTU ASCII protocol can also be used to establish a connection with FBs PLC The factory setting and the PLC system initialization on Port 1 Port 4 default to FATEK standard communication interface though in order to meet the extensive application and requirements of communication connection Port 1 Port 4 provides FATEK standard communication interface as well as providing easy communication commands that support powerful functions to allow users to compile their required communication application software through the Ladder diagram program and easily achieve the aim of system integration and distributed monitoring Further detail will be explained in subsequent chapters 12 1 Functions and Applications of FBs PLC Communication Ports Besides the hardware interface distinction of USB RS232 RS485 or Ethernet among the 5 COM ports of FBs PLC there are also 3 software interface types in terms of software interfaces The table below shows the software interface types that can be configured on the 5 COM ports of FBs PLC Available types Communication Port Port controlled by CPU using FATEK Standard communication driver Standard Interface or Modbus communication driver but PortO does not support Modbus communication protocol Port contr
37. f this field before the PLC can reply the command message Transaction delay The minimal delay time for Ethernet module to send the next command message after it receives a reply message from PLC The default setting is Oms This setting is used for the applications that connect multiple PLCs with diverse scan time by RS485 Security setup For security of Ethernet module operation besides the disable enable control of remote configuration also provides following measures to work with Password protection Continues from last screen click the Password tab to set the password The screen changes to General Password Access Control Misc STEELE III LEIS EE SEE I IEEE rEiE Change Password Current Password Mo Password Mew Password Confirn Password Change Remove Please input the new password at New Password and Confirm Password edit field and click the Change button to complete the setting of new password Please click the Remove button if password protection is not necessary 12 39 The setting of access right Use the setting of authorized IP to prevent the illegal access of data After click the Access Control tab the screen changes to General Password Access Control Misc Grant IP Base IP Address Move the cursor to the Grant IP table and click the right mouse button then the screen will appear a pop up menu as shown below Add Del ado
38. for noise suppression of electromagnetic valves relays and other devices with inductive load The diagram below shows the noise suppression approaches for inverters servo drivers and other high noise power units i e add X capacitance or Y capacitance or X Y capacitance R S T W e E C C e mI E C C R ER C CEE e e e e e e C R S T R STW R S T W Add X Add Y Add X Y capacitor capacitor capacitor C 0 22uf 0 47uf AC630V e Hardware wiring for communication network and addition and removal of communication stations should be implemented with PLC disconnected Don t work especially when PLC is running or communication errors may occur to generate incorrect PLC output 12 4 How to Use FBs PLC Communication Ports The requirements for communication are that 1 hardware interfaces and mechanisms 2 communication parameters and 3 software interfaces i e the protocol of the receiver sender must be consistent The same are applicable to PLC After the above three fundamentals are meet PLC will communicate with other PLCs or peripherals The following will describe these three fundamentals 12 4 1 Matching of Hardware Interfaces and Mechanisms In order to meet the interface requirement of variety peripherals the FBs PLC provides USB RS232 RS485 and Ethernet communication interfaces for choice When install care should be taken if the hardware interfa
39. he module please check the built in firewall of PC Windows XP to see if it has tum off If not please do so and try again 1 PLC Communication Port Setting Comm Parameters Setting Porti x Baud Rate 3600 Parity Even parity M Data Bit 7 hits Stop Bit fi hit This portis used for current programming Reply delay time 3 Transmission Delay fo x10mS iso Receive Time out interval time 59 Without checking of station number Protocol RA sedes Fatek Communication Protocal ModBus RTU Slave ModBus ASCll Slave 4 OK X Cancel 2 Ethernet Module Setting Only for CM 25E 55E module 9 Adaptor s Properties Firmware Version 2 3 General Password Access Control Misc Remote Config Enabled v Advance Setup IP Address 192 166 2 32 Operation Mode Server Subnet Mask 255 255 255 0 Protocol X Gateway 192 168 2 1 Fatek Baud RatdModbus HostName FA Demo Parity Even Data Bit 7 Comment not init J OK X Cancel 12 44
40. m inside or the corresponding reply messages can be accepted by Ethernet module other messages will be blocked The security of client mode operation is very high Based on the reason described above the workstation A can only access the PLCs of group 2 It s noted that from the view point of master PLC the station number of station 2 of group 2 is not 2 otherwise it can t distinguish it from the local station of 2 This can be overcame by the introduction of translation table Virtual server mode Though high security is the key feature of standard client mode can t accessed by other devices thru network is also a drawback To take the balance between the security and connectivity the Ethernet module provides a virtual server mode to meet the both end While working at this mode the Ethernet module emulates a PLC with station number of 255 There are only RO R1999 can be accessed of this virtual PLC When the command message is for station 255 the Ethernet module will interpret the message and act upon that message this is true for all the messages whether it comes from serial port or from network The Ethernet module act as a medium the status of PLCs can store in it for outside world access The outside world can put the command status in it for PLCs access The virtual server mode is an option for client working mode which means while act as virtual server the master PLC still can access the slave PLCs that attached to network 12 8 6 Har
41. n is disabled The jumper cap should put in the lower position when under normal operation Cable wiring Serial Port Connectors Please refer to 12 8 9 for the Port3 Port4 signal description Network Connect The connector type of FBs CM25E 55E is Euro 4pin plug connector while FBs CBE board is RJ 45 Please use the CAT5 UTP un shielded twisted pair cable for network connection The best recommendation is using the CAT5 STP shielded twisted pair cable The wiring of cable to network connector is listed as below 12 8 7 Software Setup There is a accompany software Ether cfg exe to aid the configuration of Ethernet module This software is a windows based software and has following functions 1 Basic module Information setup Includes IP Network address gateway netmask baud rate operating mode module name module description 2 Security setup Setup authorized IP With this function only the command message issue by the host with authorized IP can be accepted by Ethernet module Hence can prevent the unintended access and keep the system secure There are 10 set of IP group can be set Each group can contain one or more consecutive IPs 3 Local station to remote station mapping The operating of FBs PLC networking is purely transparent When access the remote slave PLC by executing the LINK instruction of modeO and with the help of Ethernet module the master PLC does not know the remote PLC is connected by netw
42. n the following diagrams both star and ring connections are not allowed If FBs CM5H is used RS485 can be set to star connection but ring connection is still not allowed BUS connection eee X a XOX ID Fa A o ECA ee ee x a the shorter the shorter N Pe O the better the better VE es os 2 D RS485 2 DS RS485 Star connection xX Ring connection xX RS485 DD S G LQ RS485 network can collocate with FBs CM5H to be Star connection O i Ik Xece HI A O RS485 J ff 7 f 4 ix X 000 X ps hk Xe KAHN RS485 A O RS485 iO Too ea lt a a X eo a AALA N DR ed d Vi TES e DESA e Ny XY A RS485 DDS G as J yo ar x A x il NT E AN a SK X EE E 24 CH1 CH1 SG2 IN 24 SG1 CH2 CH2 FBs CM5H e CH3 CH3 SG4 5D SG3 CH4 CH4 hk X eee se Pa S 12 6 FG grounding Though RS485 network can be connected with two cables the connection is easily affected by noise To improve communication quality the ground potential difference common mode voltage between two stations should not exceed the max allowable common mode voltage of the R485 transmission IC 7V shall not be exceeded when FBs PLC IC is used othe
43. nal Modem phone number register of the PLC host so that it will enter the dialup mode at the moment when the client turn on the power of the PLC host and Modem Since the phone number of the service unit may change the WinProladder package provides a phone number Write and Callback command In this case the client is not able to call the service unit with the old phone number To solve this problem the client may turn on the Modem and PLC host When the PLC host fails converts to the reception mode after three failed dials about 3 minutes the service unit calls the client and imports its new phone number in the Modem phone number register of client s PLC host and sends a callback command When receiving the callback command the PLC host of the client enters the dialup mode immediately and calls the service unit with the imported new number This application requests the service unit to call the client and pay the bill However the amount of the telephone bill is limited because it takes very short time for implementation of the Write and Callback command When executing the Write and Callback command and connecting to the host of the client successfully WinProladder will take the old number back from the PLC host for reference and for future use when write back of the old number is required before it writes the new number and executes callback When the connection is not required any more WinProladder will give a shutdown command automaticall
44. olled by CPU using the Dedicated Modem Modem driver FATEK Standard interface communication driver or Modbus communication driver Ladder diagram program Port A by users Ladder diagram controlled interface program Interface type configuration method e Standard Interface PortO Port4 can all be configured into this type of interface PortO can only be this type of interface and only provides FATEK standard communication driver Under this interface type the Port is controlled by the standard communication driver of FBs PLC using FATEK communication protocol or Modbus RTU ASCII communication protocol hence called standard interface To communication with the Standard Interface the connection can only be established by complying with FATEK FB PLC communication protocol or Modbus RTU ASCII communication protocol Xx PortO doesn t support ModBus communication protocol 12 1 e Dedicated Modem Interface Only Port1 can select this interface type Under this interface type Port is controlled by the built in MODEM driver of FBs PLC in charge of telephone reception or dialing tasks and then hand the connection over to FATEK standard communication driver after the connection is established subsequent operation is the same as the Standard interface above e Ladder diagram Program controlled interface Port1 Port4 can all select this interface type Under this interface type the Port will be cont
45. ommunicating with WinProladder or FP 08 it recognizes the FATEK s internal communication protocol While PLC communicating with Man Machine Interface MMI or Supervising software SCADA it recognizes the FATEK s external communication protocol Low byte of R4149 1 Port O without station number checking while FATEK s external communication protocol Low byte of R4155 1 Port 1 without station number checking while FATEK s external communication protocol High byte of R4155 1 Port 2 without station number checking while FATEK s external communication protocol Low byte of R4156 1 Port 3 without station number checking while FATEK s external communication protocol High byte of R4156 1 Port 4 without station number checking while FATEK s external communication protocol 12 16 Reply delay time setting As the PLC received a packet of addressed message and passed the error check it would reply the message after the reply delay time period Low byte of R4040 Port O reply delay time setting Unit in mS High byte of R4040 Port 1 reply delay time setting Unit in mS Low byte of R4041 Port 2 reply delay time setting Unit in mS High byte of R4041 Port 3 reply delay time setting Unit in mS Low byte of R4042 Port 4 reply delay time setting Unit in mS Transmission delay time setting While the communication port being used as the master of FATEK CPU LINK FUN151 or Modbus RTU FUN150 multidrop s network it allows
46. on for multiple stations Its wiring distance should conform to the restriction specified in the EIA standard The principle that connection distance should be as short as possible and the station should be far away from high noise sources must be observed for hardware wiring RS232 is for point to point connection with a shorter connection distance and the standard cable sold in the market or provided by FATEK is applicable However for high speed RS485 network communication quality is affected and operation might be seriously interfered with if the problems such as high baud rate long connection distance high signal attenuation multiple stations bad grounding high noise terminating impedance mapping and topology are not solved appropriately Please read the notes of hardware wiring for RS485 network at the end of this section carefully Limits on the number of stations Though the number of FBs PLC stations can be set up to 254 16 stations are the maximum for hardware driving for RS485 interface If more than 16 stations are required a RS485 amplifier FBs CM5R must be used 16 additional stations can be assigned to one amplifier up to the max 254 stations Max 254 station of PLC FBs PLC FBs PLC FBs PLC FBs PLC FBs PLC FBs PLC FBs PLC 1 2 16 17 18 RS485 aor Max 16 station Max 16 station Soe ty of PLC of PLC 12 4 Limit on distance The foll
47. ork In other words the maximum number of slave station is still 254 When Ethernet module work at 12 36 client mode in order to translate the local station into remote station must first setup the translation table Considering the convenience for variety application there are three methods can be used to setup the network configuration 4 Setup by local area network This is the most convenient method for network configuration When operating the configuration software will scan all the Ethernet modules attached to the network All the scanned Ethernet modules will be shown in the table on the screen with the regarded basic information The user can pick the Ethernet module to be editing directly from the screen Considering the security we can set the password to prevent the unintended access 5 Setup by internet With this method can setup the network configuration thru Internet Most often is used to setup the station mapping or authorized IP While use this method can only setup one Ethernet module at a time and must specify the IP address of Ethernet module to be edited Considering the security can set password to prevent the unintended access LAN configuration Step 1 Use the network cable to connect the Ethernet module and Hub Step 2 Connect the PC to network and execute the software ether cfg exe Use the mouse click the Intranet option in the Configuration Channel group box then the screen changes to
48. orted in this module Modbus TCP or Fatek Modbus TCP can be choosed only when the operation mode is set to Server mode while the Fatek mode can be used in both modes 12 38 9 Baud Rate CM25E CM55E Communication speed between Ethernet module and PLC with 9600 19200 38400 gt 57600 115200 230400 bps six options 10 Remote Config Enabled For security when this option is checked will allow the configuration thru the Internet It must be checked when intent to configure the network configuration according to the method described in section5 3 4 It s strongly recommended to set the password when enable the remote configuration to prevent the leakage of security hole Please leave this option un checked if remote configuration is not necessary 11 Import Export button Can use the Export function to save entire setup data of Ethernet module to file or use the Import function to retrieve the setup data stored in file to ease the editing job of configuration X The contents enclose in the box at below can be skipped for the beginner Advance Setup Advanced Setup This setting can only need to be performed when at server mode click Advance Setup button to start setup and the screen will be shown 4 9 Advance Setup Message Time out 20 x ims Transaction delay E x1 ims af DK M Cancel Message Time Out The time out time for PLC the default setting is 300ms Ethernet module will wait for the same amount time o
49. owing diagram shows the relationship between the baud rate and transmission distance of RS485 standard interface 10K 4K O gt 3 a O 1K gt U 2 Q gt O D D 100 D 40 40 40 100K 1M 10M Baud Rate bps Use the shielded twisted pair cables for connection Cable quality is an important factor to transmission signal When the baud rate is high low quality twisted pair e g PVC twisted pair cables will cause extremely high signal attenuation and considerably shorten the transmission distance Its noise immunity is poorer In a circumstance where the baud rate and noise is high and the distance is long use high quality twisted pair cables such as Belden 9841 polyethylene twisted pair cables Its dielectric loss can be 1000 times lesser than that of PVC twisted pair cable But in a circumstance where the baud rate and noise are low PVC twisted pair cable is an acceptable and economical alternative If the transmission distance is too long to raise signal attenuation use a RS485 amplifier FBs CM5R to amplify signal Topology is a graph structure of transmission connection The topology of RS485 must be in a Bus structure All cables must be connected from the first station to the second station from the second station to the third station to the last station As shown i
50. raditional RS485 bus topology In addition the ports are designed with opto electric insulations to protect the system from disrupted current generated by the difference in earth current Another feature is the direction change control utilizes automation to adjust in accordance with different data transfer rate and data format Installation is easy and it can be directly fixed onto DIN Rail or fixed with screws For details of the wiring method for FBs CM5H please refer to chapter 12 3 RS485 COM Port hardware wiring notes Indicators Indicator Name Functional Description Power indicators This indicator will light up when there is external power source Four LED indicators represent the activities of the four ports The ports with indicators on are ACTIVE active ports and the others are passive ports Messages on active port will appear on passive port Four LED indicators represent the signal collision status for the four ports The ports with indicator on mean the signal transmitted online and the signal to be transmitted on the ports COLLISION l na are inconsistent which also mean there are other devices transmitting signal on the bus causing conflicts Setting for terminator SW1 SW2 SW3 SW4 Switch 1 2 are ON Switch 1 amp 2 are OFF A Warning e The DIP switch for terminator setting must be used with the 2 bits together both ON or both OF F the two bits can not be inconsistent otherwise it would cause
51. rolled by the user s Ladder diagram program instructions such as FUN94 FUN150 FUN151 etc hence users can gain control of the Port through the Ladder program The following sections will detail the functions and applications of the 5 Ports on FBs PLC under each of the 3 different software interfaces x Porti Port4 communication parameter are default to Baud Rate 9600 bps Data Length 7 Bits Parity Even Stop Bit 1 Bit 12 1 1 Communication Port 0 USB or RS232 Interface Functional specification e USB interface complies with standard functional specification of USB1 1 e RS232 interface functional specification complies with the EIA RS232 standard with 5 types of communication speeds 9600 19200 38400 57600 and 115200 configurable Basic usage e Besides providing the standard RS232 interface models with USB interface are also provided since more and more notebook computers are using USB port to replace COM ports due to light weight and thickness considerations e The main purpose of PortO is to provide a communication interface for program editing so generally speaking it would be in passive receiving mode Extended usage DBesides program editing it can also connect to HMI SCADA equipped with FATEK communication driver Through conversion of interface signal into RS485 signal connections can be made with RS485 interface peripherals such as computers WinProladder HMI SCADA etc or become a Slave of the FAT
52. rt 1 Port 4 Unit in mS 2 While the communication port being used to communicate with the intelligent peripherals through the FUN151 convenient instruction if the communication protocol without the end of text to separate each packet of message frame it needs message detection time interval to identify the different packet High byte of R4148 is used for this setting High Byte of R4148 New message detection time interval setting for Port 1 Port 4 Unit in mS Without station number checking for FATEK s internal communication protocol While PLC communicating with WinProladder or FP 08 it recognizes the FATEK s internal communication protocol the quick way to communicate with the PLC is to key in 255 as the station number for WinProladder to connect with the unsure station number of target 12 17 Related internal relay Port Ready Indicator Relay Finished Indicator Relay 12 4 4 Modem Interface Setting As described in Section 12 1 the communication port of FBs PLC has 3 types of software interface which the default setting of PortO is Standard Interface However Port1 Port4 have two interfaces Standard Interface and Ladder Diagram Program Controlled Interface and the interface type is based on PLC s CPU of user s program setting when user used communication controlled instruction FUN150 and FUN151 it will automatically set to Ladder Diagram Program Controlled Interface Thus within the 5 communication
53. rwise RS485 may not operate normally a r gh yey x XxX OX OX XX XX a ri a NA V se ice G as Ecom lt 7V PlaceA EG PlaceB Ee No matter how the ground potential is we recommend using a twisted pair cable covered with shielding The SG of each station is connected with the ground wire covered with shielding similar to the above mentioned topology to clear common mode voltage and provides the shortest circuit for signal transmission to improve the anti noise capacity Terminating impedance Different transmission cables have different characteristic impedance the characteristic impedance of a twisted pair cable is approximately 1200 When the signal is transmitted to the terminating resistor of a cable reflection and waveform distortion either sinking or protruding will be caused if the terminating impedance is different from its characteristic impedance This distortion is not obvious when the cable is short but it will be more serious with longer cables Finally PLCs cannot transmit correctly and a terminating resistor should be installed to solve this problem A 1200 terminating resistor has been installed inside the FBs PLC When a terminating resistor is required to be added open the cover and toggle the DIP switch to the ON position DIP switch is set to OFF position by the factory Terminating resistors can only be added to each PLC on the utmost left and right ends of the Bus
54. se the communication ports by purchasing the optional communication board In response to varying application and demand 6 types of specification have been designed to suit actual application of customers In the model name of communication board and communication module CB signifies Communication Board CM signifies Communication Module 2 signifies RS232 interface 5 signifies RS485 interface E signifies Ethernet interface The specification and appearance of every communication board is as follows 1 x RS232 COM Port Port 2 with TX RX indicators 1 x RS485 COM Port Port 2 with TX gt RX indicators 1 x RS232 COM Port Port 1 1 x RS485 COM Port Port 2 with TX gt RX FBs CB25 indicators RS232 specification Ses 2E Slam o Electrical EIA RS232 Standard Specification 3 PIN European style movable terminal platform RS485 specification Electrical EIA RS485 Standard Specification built in the terminator with the DIP switch setting FBs CBE 1 x Ethernet COM Port Port 2 with Link gt TX RX indicators e 1 x RS232 COM Port FBs CB2 DB9F FATEK foe 5 SG PROGRAMMABLE RTS out 8 O CONTROLLER CTS in 7 an weg J RS232 e 1 x RS485 COM Port FBs CB5 FATEK PROGRAMMABLE CONTROLLER D c ww PORT2 V 12 21 2 x RS232 COM Port FBs CB22
55. t O supports FATEK communication protocol only Setup of port0 port4 communication parameters Bs B Bo Even Odd 0 Even Parity Parity 1 Odd Parity ste 0 7 Bits ata Bi 1 8 Bits lt R4161 is only 8 bit anna O None Parity arty nees 4 With Parity ai O 1 Bit ds 1 2 Bits er Bo 65 64 63 62 Bi 60 v Value Baud Rate 0 0 0 0 0 4800bps 3 R4161 PORT2 0 0 0 1 1 9600bps the high speed 0 0 1 0 2 19200 bps baud rate must be 0 0 1 1 3 38400bps greater than or oj1 0 0 4 76800bps equal 38400bps 0 1 0 1 5 153600 bps OJ1 1 0 6 307200 bps O 14 1 1 7 614400 bps 1 jo 0 0 8 7200bps_ afola a 8 57600 bps afa ofo c 115200 bps_ afa toa o 230400 bps afale ope 921600 bps User defined Port 1 Port 4 provides Baud Rate settings for user defined 1125 bps 1152000 bps 12 15 Formula Baud Rate Div pese a 15 16383 Baud Rate Baud Rate eee 1125 bps 1152000 bps Baud_Rate_Div 1 Register Setup D4000 18432000 1 Baud_Rate D4001 18432000 1 Baud_Rate D4002 18432000 1 Baud_Rate D4003 18432000 Baud Rate Example 1 If you want to set Port 1 Baud Rate to 1200 bps then R4146 56XFH D4000 DEERE 15359 1200 Example 2 If you want to set Port 2 Baud Rate to 256000 bps then R4158 56XFH D4001 pees 71 25600 Without station number checking for HMI or SCADA connecting While PLC c
56. the Ethernet module When finish the update and without error the screen will change to main window and ready for configuration of another Ethernet module 12 8 8 Procedures to Change the Configuration Now summarize the procedures to change the network configuration at below Step 1 Select a connection method LAN or Internet Step 2 Edit the basic data of the module Step 3 Set the password protection optional Step 4 Setup the authorized IP optional Step 5 Setup the mapping of local and remote station and IP address Only client mode required 12 42 12 8 9 Pin Assignments and Protocols RS232 port pin assignments eos RS485 port pin assignments FATEK TCP UDP communication protocol The communication protocol of FATEK TCP UDP embeds the FATEK serial communication message in the TCP or UDP data packet The port number used to convey the FATEK TCP UDP message is configurable default is 500 Modbus TCP communication protocol The document of communication protocol of Modbus TCP can be referenced at the web site http www Modbus org The port number used to convey the Modbus TCP message is 502 Through PLC register to set IP configuration only CBE provides this function Although the IP address of Ethernet module can be set though Ethernet configuration software Ether_cfg exe the IP of CBE module version V5 4 or above can also be set through register of PLC The method is shown below D399
57. work at this mode the master PLC connected with Ethernet module can use LINK instruction modeO send the command message to other PLC The target PLC that master PLC intend to command can be a local slave PLC connected by RS485 interface to master PLC or a PLC located at remote site with sever mode Ethernet connection There is a Station to network address translation table in the Ethernet module when work at client mode This table includes the information about the mapping of local station and remote station the user should set this table according to the actual application deployment While operation the Ethernet module will constantly inspect the received message if the station number in the message can be found in the translation table that means the message is going to route to network the Ethernet module will first replace the station number in message according to the translation table then re calculate and update the check sum of translated message and encapsulate it in network data packet and finally send it to the network After received the reply message from network the Ethernet module will perform the translation of message at the reverse order First it will replace station number in message to the original station number and then re calculate and update the check sum of message then send it to serial port A standard client mode network application is shown as follows Server Mode Group 2 CPU Station A FBsST 2 RS 485 _FBs ST N
58. y for disconnection 12 5 3 Ladder Program Control Interface This type of interface can be set up for Port1 Port4 The ladder program that are used to control the ports are FUN94 ASCWR FUN150 M BUS and FUN151 CLINK FUN94 ASCWR uses Port 1 as an output interface for ASCII files transmission only and sends messages to printers computers and other devices that receive messages with ASCII code The typical application of this command is the connection to printers for Chinese English reports WinProladder provides the ASCII File Editor function It converts the data to be edited or printed to ASCII files and stores them in PLC Production reports material request reports and other reports are generated with the help of various dynamic data input during the operation of PLC Refer to ASCII File Output Applications for more information FUN150 M BUS controls Port 1 Port 4 and uses them as masters on the Modbus network The ports can connect to Modbus peripherals slaves easily Refer to the Convenient instruction for Modbus RTU Master below for more information FUN151 CLINK controls Port 1 Port 4 and uses them for resource sharing among PLCs or connection to intelligent peripherals FUN151 provides four operation modes Refer to the FBs PLC CLINK Applications below for more information 12 20 12 6 Communication Boards CB The FBs PLC main unit has been built in the communication port 0 and it can increa

Chapter 12 The Communication Function of FBs-PLC

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