FX2N-232BD Communication Board
Contents
1. SPECIFICATION 3 1 General specification General specifications is same as those for the FX2n series programmable controller 3 2 Power supply specification The control line is set by b12 b12 0 No hardware hand shaking Send and receive are controlled by software protocol b12 1 Hardware hand shaking Signal lines ER DTR and DR DSR are used to control send and receive of data When sending When receiving 5 V DC 60 mA is required from the programmable controller b12 1 n No gt 3 3 Specification bijo soaxpo Sed Naay Data Ro Axp Peesive Gata Data Transmission standard Conforming to RS232C ER DTR ER DTR J Transmission distance Max 15m Connector 9 pin D SUB type DR DSP 7 y DR DSR h 1 CD DCD 2 RD RXD 3 SD TXD 4 ER DTR 5 SG GND 6 DR DSR Pin layout of connector 7 8 9 NC No connection b12 1 LED indicators RXD TXD bii 1 spctxp Send Data Communication method Half duplex communication system Receive Protocol Programming protocol dedicated protocol format 1 or 4 non protocol RD RXD Data P A Isolation No isolation ER DTR 7 q DR DSR 7 N 3 4 Related flag and data registers WIRING 3 5 Communicati2. cp pep CD DCD b3 Stop bit 1 bit 2 bit b10 Reserved RD RXD RD RXD RD RXD b7 b6 b5 b4 b7 b6 b5 b4 DTR check A 0 0 1 18500 0 1 1 1 4 800 b11 Controlime 4 Sendand receive Receive sD TXD sn SD TxD pe Paudrate bps O 1 0 0 600 1 O 0 0 3600 Iara Contoline 4 None HW ER DTR res ER OTR br 0 1 1 0 2400 aes Sum check code SUM check code SG GND saiend SG GND b13 Sumcheck 5S fis not added ordy Ros cscts DR DSR i When using ER and DR signals please also check if RS and CS signals are needed according to the b14 Protocol No protocol Dedicated protocol RS232C device s specifications bis Tansmission Protocol format 1 Protocol format 4 4 1 3 Wh i itori control protocol 5 1 en programming or monitoring Use F2 232CAB 1 and 25 pin D SUB to 9 pin D SUB adapter or make a suitable cable MOUNTING PROCEDURE Turn off the power of the programmable controller and mount the 232BD using the following procedure Remove the panel cover from the top face of the main unit Connect the 232BD to the board mounting connector provided on the base unit Fix the 232BD to the main unit using the M3 self tapping screws provided fitting the mounting bracket and the round crimp style terminal with the ground cable as shown in the figure on the right Make sure that the crimp style
3. FXe2n 485 BD or the FX2n 422 BD When two or more RS232C units are required to be connected for the application use the special block for RS232C communication 1 1 EXTERNAL DIMENSIONS Dimensions mm inches Accessory M3 self tapping screws x 2 mounting bracket x 2 Mounting holes lt 2 0 4 0 0 16 gt Connector for programmable controller A RXD LED Flashes at high speed during sending K TXD LED Flashes at high speed during sending Connector 9 pin D SUB type for peripheral unit The top face of this connector is higher than the top face of the panel SIE cover of the programmable controller by approximately 3 mm 0 12 X col A or by approximately 50 mm when the cable is connected Y T oO Mounting holes of connector lt 2 M2 7 0 11 x 0 635 0 025 gt y Vo TERMINAL LAYOUTS The connector is a 9 pin D SUB type and the pin configuration is as shown below O Pin No Signal Meaning Function 1 CD DCD Carrier detection ON when carrier is detected for data reception 2 RD RXD Receive data Receive data RS232C device to 232BD 3 SD TXD Send data Send data 232BD to RS232C device 4 ER DTR Send request aaa requesting preparation for data sending to RS232C 5 SG GND Signal ground Signal ground 6 DR DSR Send enable Shows RS232C device is ready to receive 7 8 9 NC No connection
4. terminal is attached in the direction shown in the figure on the right and that the ground cable extends from the unit shown in the figure below Tightening torque 0 3 to 0 6 Nm 3 to 6 kgf cm For M3 0 14 Grounding Cable OO 3 232BD 5 5mm 0 22 or less e a 16mm 0 63 or less Cut out the hole provided on the left portion of the panel cover using a tool such as nippers and cutter so that the terminal block can be seen The top face of this connector is higher than the top face of the panel cover of the programmable controller by approximately 7 mm 0 27 CAUTION FOR USE 1 When programming tool is connected the 232BD do not use any other communication format or parameters If communication format or parameters is set programming is not possible 2 Only one programming tool such as FX 10P FX 20P etc should be connected to either the programming port or the port provided on the 232BD If a programming tool is connected to both connectors the following may occur a The program inside the programmable controller may not be consistent with the program inside the programming tool If the program is modified or the set value for the timer or the counter is modified a part of the program may be damaged and the programmable controller may malfunction b When the sampling trace function of the programmable controller is used from both ports the correct sampling
5. the serial communications N e U pin configuration of the personal computer For representative wiring see section 4 Connect 232BD and a personal computer and exchange data with PC Preparation of software e Use ordinary communication software terminal emulator or dedicated program in the personal computer Send The communication format of the PC for this example Receive Z is as follows J Data length 8 bit T 232BD FX2N Parity Even Stop bit 1 bit e Receive data e Send data pRa e Send data e Receive data Baud rate 2400 se the communication cable suited to the connector f the communication format of the soft ware cannot be adjusted to this setting adjust the PC and the software to be the same Sequence program M8000 eee M8161 Handled by 8 bit data x000 MOV H0067 D8120 Setting of communication format 9 XOGA RS D200 K11 D500 KO RS instruction drive 19 PLS MO MO 22 MOV H0074 D200 Aa aL 2 Writing of send data i Herein test line is sent MOV H000D D209 MOV HOOOA D210 SET M8122 Send request M8123 i 81 x402 MOV D500 K4Y000 Output of receive dta 89 ni PLS M1 Receive completion reset 7 92 RST M8123 96 END ration P Turn on the power of the PC and printer check the printer SNR
6. used twice or more in the program make sure that only one RS instruction is turned on in one calculation cycle Never set the RS instruction to OFF state while the data is being received or sent 8 4 When the dedicated protocol is used for communication between the computer 1 Make sure that the communication format is consistent between the computer RS232C unit and the programmable controller D8120 If it is not consistent correct the setting of either the computer or the programmable controller When the programmable controller is modified turn off the power of the programmable controller then turn it on again Make sure that the station No of the programmable controller which is the target of data transfer is equivalent to the station No set in the communication procedure If they are not equivalent correct the wrong one Make sure that the communication procedure is correct If it is not correct modify the setting of the RS232 unit to realize correct procedure Check whether errors have occurred in the RS232 unit and the programmable controller For the check method and the countermeasures refer to the users manual of the FX 485PC IF If the RS instruction is used in the program delete it turn off the power of the programmable controller then turn it on again Guidelines for the safety of the user and protection of the FX2n 232 BD e This manual has been written to be used by trained and competent personnel This is defin
7. A is on line and switch the PC to RUN X000 ON Vv RS instruction drive Turn on X000 and drive RS instruction X001 ON V Every time X001 is turned on the contents of D200 to Data send D210 are sent to the personal computer and test data is displayed Personal computer operation Vv After receiving and storing data from personal computer in Data send D500 it is output to YOOO to YO17 When input X002 is turned on the receive completion flag is reset 8 DIAGNOSTICS Y 2 a 8 1 Common items 1 Make sure that the programmable controller is connected and that the POWER LED is lighted on the programmable controller Make sure that the VRRD or VRSC instruction is not used in the program If such an instruction is used delete it turn off the power of the programmable controller then turn it on again When the special auxiliary relay M8070 or M8071 is turned on turn off the relay using the peripheral unit turn off the power of the programmable controller then turn on the power again Make sure that wiring is performed correctly Refer to Section 4 Make sure using the peripheral unit that the communication parameters are set correctly in accordance with the application If the setting is not correct set the parameters correctly using the peripheral unit 8 2 When the parallel link function is used 1 2 Make sure that the communication format
8. ADVANCED AND EVER ADVANCING MITSUBISHI ELECTRIC a MITSUBISHI PROGRAMMABLE CONTROLLERS MELSEC P FXean 232 BD COMMUNICATION BOARD USER S GUIDE JY992D66001A This manual contains text diagrams and explanations which will guide the reader in the correct installation and operation of the FX2n 232 BD and should be read and understood before attempting to install or use the unit Further information can be found in the FX SERIES PROGRAMMING MANUAL FX2n SERIES HARDWARE MANUAL and FX 485PC IF USER S MANUAL INTRODUCTION The communication board FX2n 232 BD for RS232C hereinafter referred to as 232BD can be connected to the main unit of the FX2n Series programmable controller and used as the port for the following applications 1 To perform data transfer between RS232C devices such as personal computers bar code readers and printers 2 To perform data transfer using the dedicated protocol between RS232C devices For details of the dedicated protocol refer to the users manual of the FX 485PC IF 3 To connect a programming tool And when the 232BD is used for the application 1 or 2 above the communication format including the baud rate the parity and the data length is specified by the parameters or the contents of the special data register D8120 of the FX2n programmable controller Only one 232BD can be connected to one base unit Accordingly the 232BD cannot be used together with the
9. ction D8123 Amount of remaining data already received RS instruction 4 1 Connection examples M8126 Global flag dedicated protocol D8124 Data header lt default STX 02H gt RS instruction 4 1 1 Terminal specification device M8127 On demand handshake flag dedicated protocol D8125 Data terminator lt default ETX 03H gt RS instruction M8128 On demand error flag dedicated protocol D8127 On demand head device register dedicated protocol RS232C device M8129 On demand Byte Word flag dedicated protocol D8128 On demand data length register dedicated protocol Uses zi DR z5 Uses RS cs Jg 232BD i i i ied i i time out ti i i pin 9 pin P pin 9 pin M8161 fee ee ool He CON Po acon atl D8129 Data network time out timer value dedicated protocol Meaning p suB p suB Meaning 6 SUB D SUB 9 pin D SUB RxD RD RXD TxD sp TxD RD SD ER DTR RS RTS SG OIO RD RXD a 8 SD TxD OIO ER DTR GND SG GNp SG GND DR OSR csi cTs DR DSR When using ER and DR signals please also check if RS and CS signals are needed according to the RS232C device s specifications 1 Set to O when using the dedicated protocol 2 Effective only when no protocol RS instruction is selected and has an in
10. ed by the European directives for machinery low voltage and EMC e f in doubt at any stage during the installation of the FX2n 232 BD always consult a professional electrical engineer who is qualified and trained to the local and national standards If in doubt about the operation or use of the FX2n 232 BD please consult the nearest Mitsubishi Electric distributor e Under no circumstances will Mitsubishi Electric be liable or responsible for any consequential damage that may arise as a result of the installation or use of this equipment e All examples and diagrams shown in this manual are intended only as an aid to understanding the text not to guarantee operation Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples e Owing to the very great variety in possible application of this equipment you must satisfy yourself as to its suitability for your specific application Manual number JY992D66001 Manual revision A Se JUNE 1997 sfa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100 TELEX J24532 CABLE MELCO TOKYO HIMEJI WORKS 840 CHIYODA CHO HIMEJI JAPAN JY992D66001A Effective JUN 1997 Specifications are subject to change without notice
11. is in the initial state D8120 K0 Check using the peripheral unit how the communication parameters are set If the no protocol RS instruction or the dedicated protocol is selected set the parameters correctly using the peripheral unit If the RS instruction is used in the program delete it turn off the power of the programmable controller then turn it on again 8 3 When communication is performed between the computer using the no protocol 1 Make sure that the communication format is consistent between the external unit RS232C unit and the programmable controller D8120 If it is not consistent correct the setting of the communication parameters or correct the contents of the D8120 When the D8120 is modified turn on the RS instruction again When the communication parameters are modified turn off the power of the programmable controller then turn it on again Check the timing for sending and receiving the data For example confirm that the counterpart unit is ready for receiving before sending the data If a terminator is not used make sure that the send data quantity is consistent with the receivable data quantity If both quantities are not consistent with each other make them be consistent If the send data quantity varies use a terminator Make sure that the external unit is operating correctly Make sure that the data format transferred is equivalent If it is not equivalent correct it When the RS instruction is
12. itial value of STX 02H Can be modified by the user 3 Effective only when no protocol RS instruction is selected and has an initial value of ETX 03H Can be modified by the user 4 Set to b11 b12 1 0 when using the dedicated protocol 5 Set to O when using no protocol 3 5 1 Example program of setting The communication format is set by special data register D8120 i Data length 8 bit Setting the communication format using D8120 is effective only at the time the RS instruction is driven and therefore if changed after driving it is not actually Parity Even accepted z Stop bit 2 bit An example of setting D8120 is shown below M8002 Baud rate 9 600 MOV H138F D8120 Protocol No protocol H138F 0001 0011 1000 1111 binary Header Used The settings for the above program are as right Terminator Used Control line H W DTR check Send and receive Bit Contents Bit i Contents 4 1 2 Modem specification device No Meaning No Meaning i 0 OFF 1 ON g 0 OFF 1 ON RS232C device b0 Data length 7 bit 8 bit b8 eo character None D8124 2 Uses ra DR ai Uses Re cs z 232BD b2 b1 b2 b1 Meaning Pin YPN Meaning pe oe rt pin D b1 i D SUB D SUB D SUB D SUB 9 pin D SUB b2 Parity 0 0 None 1 1 Even b9 Terminator None D8125 3 0 1 Odd character 1 CD DCD
13. on format D8120 To send and receive the data between the RS232C unit using the 232BD the communication format including the transmission speed baud rate and the parity must be consistent between the 232BD and the RS232C unit The communication format can be set using parameters or the contents of special data register D8120 of the FX2n programmable controller Make sure to set appropriately the communication format in accordance with the RS232C unit used For the setting method using the parameters of the FX2n programmable controller refer to the manual of the peripheral unit used Make sure to turn off the power of the programmable controller and turn it on again after modifying the setting Diagnostic Operation Diagnostic Operation T 7 7 p devices devices o connect the 232BD to RS232C device use an RS232C cable Make sure that the shield of cables is connected to M8121 Data transmission delayed RS instruction D8120 Communications format RS instruction dedicated protocol ground 100 Q or less M8122 _ Data transmission flag RS instruction D8121_ Local station number dedicated protocol The connector of the 232BD is 9 pin D SUB see Section 1 2 and Chapter 2 The connections of RS232C devices M8123 _ Finished receiving data RS instruction D8122 Amount of data to be transmitted RS instruction varies with each device being used Check the specification of the device and connect M8124 Carrier detection flag RS instru
14. trace result cannot be obtained PROGRAM EXAMPLES 1 Connecting 232BD and a printer and printing out the data sent from the PC Send 232BD FXoN e Send data e Receive data e The communication format of the serial printer is as follows Data length 8 bit Parity Even Stop bit 1 bit Baud rate 2400 bps n rogram M8000 f8161 Handled by 8 bit data M8002 mies MOV H0067 D8120 Setting of communication format 9 XODI RS D200 K11 D500 KO RS instruction drive 19 PLS MO MO 22 MOV H0074 D200 MOV H0065 D201 4 ae a Writing of send data MOV HOO6E D207 4 Herein test line is sent MOV H0065 D208 MOV H000D D209 MOV HOO0A D210 80 SET M8122 Send request 6 END Operation e Inthis example CR HOOOD and LF ee mee epee anniek HOOOA are written at the end of the Power on is tine and switch the PC to message The printer moves down one RUN line for each message x000 ON CR Carriage Return LF Line Feed Turn on X000 and drive RS instruction RS instruction drive x001 ON Every time X001 is turned on DE the contents of D200 to D210 are sent to the printer and Note It may be necessary to set the DIP Hestline leipinied switches of your printer Check your printer manual for how to configure
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