FBs-CM25/CM55/CBE Ethernet Module User`s Manual
Contents
1. 45 Direction TX White Orange 3 1 Output lt TX Orange 4 2 Output lt RX White Green 1 3 Input gt RX Green 2 6 Input gt 11 5 3 Software Configuration 5 3 1 Configuration Software and its Function 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 Basic module Information setup Includes IP Network address gateway netmask baud rate operating mode module name module description 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 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 network In other words the maximum number of slave station is still 254 When Ethernet module work at 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 network2. Communication speed between Ethernet module and PLC with9600 19200 38400 57600 115200 230400 bps six options 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 15 enable the remote configuration to prevent the leakage of security hole Please leave this option un checked if remote configuration is not necessary 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 The contents enclose in the box at below can be skipped for the beginner 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 Message Time out jo x1 0ms Transaction delay E x10ms J OK X Cancel Message Time Out The time out time for PLC the default setting is 300ms Ethernet module will wait for the same amount time of 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 fo
3. L a LL D D oO Co ig F N 4 T N ETN 3 z E T IT E TX TX a o 2 T7 a p elg o 2 rx 7 welll RX vn o x N o tl o N o A ae o oo R ST N FBs CM25E FBs CM55E and described at follow Ethernet connector To meet the anti vibration requirement of industrial environment instead of using regular RJ 45 connector but using Euro 4 pin plug connector port4 connector The signals in this connector is RS485 level 3 port3 connector The signals in this connector can be RS232 CM25E or RS485 CM55E This port is a general purpose communication port Network indicators LINK Lit when the Ethernet cable is properly working RX Lit when detecting a signal activity of the Ethernet TX Lit when the module is sending a message into the Ethernet 6 Serial port status indicators RX Lit when detecting a signal activity of the serial port TX Lit when the module is sending a message into the serial port 4 The Function of Serial Port Connectors 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 CPU module and used for peripheral applications Port4 Connector The signal level of Port4 connector is of RS485 CM55E The main function of t
4. 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 5 1Application Architecture 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 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 c
5. to serial port A standard client mode network application is shown as follows Server Mode Group 2 CPU 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 from 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 5 1 2 2 Virtual Server Mode Though high security is the key feature of standard clie
6. FBs CM25 CM55 CBE Ethernet Module User s Manual Fatek Automation Corp 7 1 2004 1 FAS AC EEY 2 2 Specificatii Ma eea RRC RY 2 2 1 Serial Communication Connector FBS CM25E CM55E only 2 2 2 Ethernet Serial Interface 22 ccc cece cece eee eee e eee e eee eeeeeeeeeeeeeas 3 3 OL HE DH a ueeerme eR mM NN AMR T AT LORANAN RASA AMAIA AAR NA AAAS AA RAC 4 4 The Function of Serial Port Connectors a a 5 5 The Function of Ethernet Serial Converter 5 5 1Application Architecture ssssssssssssserrrsrrerrrrrrsrrrrrrrrererrrrrrsrerrnrnnt 6 51x Servet Mode sicrcecccascoaseaennwaniwenreenssasaderaesaccdacasesenetseeaseaiidedas 6 5 922 CUONE VKo X o 6 iii iis vue ues uae uve venue uaee vue yee syseueyeiaaatessaaaseaaeeed 8 5 2 Hardware Installation cece cece cece cnet eee eeeee tees ee eeennneeees 10 5 22 11 DIPUSWIteh Sting ereenn nii i i iE E TEE EN 10 9 2 2 Cable Wiring eeina CA AAAA AAA AAA AAA AAA AAA AAAAAA 11 5 3 Software Configuration eisai REENA AAAA 12 5 3 1 Configuration Software and its Function 00 0 12 5 3 2 Configuration thru Local Area Network ceeeeee eee 13 5 3 3 Configuration thru Internet ccceee cece scene ee eeeeeeee 13 5 3 4 Common Data Setup ccc ccc eee ene e ene e teen ena 14 Bro DO OCCUTITY OOUUD snciisistasessscshssssbedsas ees NANNE sees eeeeeebeeeeeseeiens 16 5 3 6 Station amp IP mappin
7. application 2 Specification 2 1 Serial Communication Connector FBs CM25E CM55E only 2 2 Module Port Signal Type Connector Power port3 RS232 DB9M FBs CM25 port4 RS485 Euro 3pin Con 200ma Ethernet 10BaseT Euro 4pin Con port3 RS485 Euro 3pin Con FBs CM55 port4 RS485 Euro 3pin Con 200ma Ethernet 10BaseT Euro 4pin Con FBs CBE Ethernet 10BaseT RJ45 150ma Note 1 Powered by CPU module 2 2 Ethernet Serial Interface Characteristics Description Network Interface 10BaseT IEEE 802 3 Transmission Protocol TCP UDP IP ARP Application Protocol FACON TCP UDP Modbus TCP Link LED Transmit LED Indicators Receive LED Signal Connector Euro 4pin Connector Port4 CM25E CM55E CPU Connected Port Porti amp Port2 CBE CPU Connected 9600 19200 38400 57600 115200 230400 CM25E CM55E Speed 115200 CBE Security Mechanism Authorized IP Authorized IP Group 10 Port Map group 18 Configuration Tool Windows based configuration software TCP Connections Max 8 connections simultaneous 3 Outline The outline of FBS CM25E CM55E module is shown below NZA 1 t T m RUN 7 T 7 RUN 7 m3 4 m3 fil LNK LNK mej d mej E o Zalig TX 2 mS my o m o P Te 5 RX Hg C RX 2 EA o EJ o SS Np T T me x S x wa va F J Ol xt 5 BH OW x Delle o Delle o n
8. 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 5 2 1 2 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 occuring there also 10 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 JP1 co NO PASS When the jumper cap of JP1 is at upper position linked by white line the password protection is disabled The jumper cap should put in the lower position when under normal operation 5 2 2 Cable Wiring Serial port connectors Please refer Appendix A B for the Port3 Port4 signal description Network connector 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 Signal Wire Color Euro 4 Pin RJ
9. configuration 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 Please refer section 5 3 5 for detail explanation 12 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 Please refer section 5 3 4 for detail explanation 5 3 2 Configuration thru Local Area Network 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 4 9 Ethemet adaptor Configuration 105 x Fie About Configuration Channel G Intranet Internet RS232 IP Address Name Ethemet Address OP Mode Exit Click the Scan Ma
10. de and virtual server mode Explanation as follows 5 1 2 1 Standard Client Mode When work at this mode the master PLC connected with Ethernet module can use LINK instruction mode0 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 Please refer section 5 3 6 for table setting 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
11. ernet 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 9 Adaptor s Properties 5 x Firmware Version 2 0 Import Export Password Access Control Misc Remote Config Enabled I Advance Setup IP Address 192 168 1 3 Operation Mode Server Subnet Mask 255 255 255 0 Protocol Fatek X Gateway fi 92 168 1 1 Baud Rate 9600 M HostName noneme Parity Even Data Bit 7 Comment jnotinit J OK X Cancel Follows are the description of each field shown in above Firmware Version Denotes the software version of Ethernet module for configuration IP Address IP address of Ethernet module for configuration Subnet Mask Subnet mask of Ethernet module for configuration Gateway The IP address of gateway for Ethernet module for configuration Host Name For documentation can be used to distinguish Ethernet module At most can consist of 11 characters Comment For documentation can be used to distinguish Ethernet module At most can consist of 21 characters Operation mode Client or server mode selection Protocol There are two communication protocols were supported 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 Baud Rate CM25E CM55E
12. g Setup cece eee ee eee 18 5 3 7 Service Port Setup eee eee eee ee ee ee ents eneeteaeenaes 20 5 3 8 Update Configuration icc et isdicdeisidainaicdeessiinaes 20 5 4 Procedures to change the configuration ceececeeeeee eee eee ees 20 6 Appendices Ssuiinn mm ANSE OREN SAINNNN 21 A RS232 port SIQNAl ttre enn e nee n ees 21 B RS485 port Signal diagram cc cece ccc ettnetnnes 21 C FATEK TCP UDP Communication Protocol cc cecccee eee eee teens 21 D Modbus TCP Communication Protocol ccc cece ccc e eee eee eens 21 1 Preface The network communication with its flexible connectivity and mobility can easily penetrate the barrier of the information island Though at early days most of the network systems are deployed in commercial environment but as the evolution of the manufacture technology the requirement of CIM CAM is prevailing To reach this goal how to provide a reliable and accessible medium is a key Because the network communication has the characteristics as demand so can be found nowadays in the industrial segment and used to bridge the communication between the management level and field level To meet this trend FATEK provides a series of Network interface modules with which an economic and effective network solution for FATEK FBs PLC can be obtained Besides the network function some of the modules also provide an additional serial communication port for
13. his 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 19 module can provide at most 19 groups of station mapping 5 3 7 Service Port Setup General Password Access Control Misc Major Por 500 Second Port 500 Valid only tor UDP Message 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 5 3 8 Update Configuration When finish the editing of configuration data please click the OK button of the adaptor s properties window to update 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 5 4 Procedures to change the configuration Now summarize the procedures to change the network configuration at below Step 1 Cho
14. his port is to couple the Ethernet signal to CPU module this port also can be treated as a general communication port of CPU 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 than one PLC to hook on Ethernet 5 The Function of Ethernet Serial Converter 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 CPU 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
15. larity 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 5 1 1 Server Mode When operates at server mode the direct connected single PLC or the stations connected by RS485 are all work at slave mode which will wait for command message passively and reply the command Follows are example of server mode application 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 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 a
16. nsecutive 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 5 3 6 Station amp IP 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 9 Adaptor s Properties pe 192 168 1 3 192 168 1 1 It has an additional Port Mapping tab when compare with server mode after click the Port Mapping tab the screen changes to 18 Password Access Control Por Mapping Misc 4 gt Station IP Address 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 Add Del Edit 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 Port mapping entry Local Station fi Remote Station fi Remote IP fiai OOOO Group Size fi X Cancel Following are the description of each field shown in above Local Station The station number of local PLC Remote Station The station number of remote PLC Remote IP The IP address of Ethernet module connected by the remote PLC Group Size With execute t
17. nt 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 5 2 Hardware Installation 5 2 1 DIP Switch Setting 5 2 1 1 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
18. ose the connection method If Local area network refer section 5 3 2 If Internet refer section 5 3 3 Step 2 Edit the basic network data please refer section 5 3 4 Step 3 Setup the password optional please refer section 5 3 5 Step 4 Setup the authorized IP optional please refer section 5 3 5 Step 5 Setup the mapping of local and remote station and IP address Only client mode required please refer section 5 3 6 20 6 Appendices A RS232 port signal Signal Pin Flow RX 2 Input TX 3 Output lt GND 5 B RS485 port signal diagram GND QW R C 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 refer 5 3 7 for detail D 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 21
19. p button then start the scanning of Ethernet module All the modules detected will be shown in the table The remaining procedures will be left until section 5 3 4 5 3 3 Configuration thru Internet Step 1 Connect the Ethernet module and Hub with twisted Ethernet cable Step 2 Connect the PC to network and execute the network configuration 13 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 p 0 xi File About Configuration Channel _ E Intranet Internet RS232 Properties Get Map Exit 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 5 3 4 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 9 Ethemet adaptor Configuration lol x Fie About Configuration Channel E Intranet Intemet RS232 Get Map Exit 14 At that time can double click the line where the desired Eth
20. r the applications that connect multiple PLCs with diverse scan time by RS485 5 3 5 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 16 General Access Control Misc m Change Password Current Password No Password New Password Confirm 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 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 Misc r 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 Edit Click Add to add one set of authorized IP Click Del to delete a set of authorized IP Click Edit to modify an existed authorized IP data After click the Add function the screen changes to 17 49 Access Permited IP With this dialog to define a set of co
21. t RS485 line each PLC will compare the target station embed 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 5 1 2 Client Mode While work at client mode the Ethernet module will wait the command message at port4 When it finds the message is for the PLC station located at remote site Please refer section 5 3 6 for setting 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 are all operated at master mode which means it use LINK instruction modeO to send the command actively The client mode also can be further divided into standard mo
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