fx2n-485-bd-user`s manual
Contents
1. SG Grounding of resistance 1002 or less 2 3 2 Two pair Wiring 2 3 4 A series programmable RS485 422 unit 485BD FX ON 485ADP controller s computer link unit RO epa tA ph S i SDA y E FA spa Rt spp spp HA __ spe Ret Roat RDA h i Roa B Ste Z RDB L RoB H 4 RDB LINK 7 SG se HH H sG S el cee ee 3 FG FG Grounding of resistance 100 or less R is the terminating resistance Connect the terminating resistance 3309 between terminals SDA and SDB and terminals RDA and RDB The shield of the shielded twisted pair cable must be connected to ground 100 or less When using parallel link ground both side When using no protocol or dedicated protocol ground one side Connect terminal FG to each terminal of the programmable controller main body grounded with resis tance of 100 or less However for the computer link unit of the A series programmable controller see the manual of the computer link unit When using RS232 485 or RS232 422 interface please the use FX 485PC IF 2 3 3 One pair Wiring A series programmable RS485 uni 485BD FX 0N 485ADP controller s computer link unit SDA es e SDA SDA SDB SDB 4 SDB Ril RDA RDA RDA roa E RDB RDB RDB R2. 4 DIAGNOSTICS For error code of N N network and computer link refer to the FX Communication User s Manual 4 1 Common Items 1 Check the connection with the communication unit of the programmable controller and the wiring When the connection is unstable the communication can not be corrected 2 Check whether the VRRD or VRSC instruction is used in used in the program If it is used delete it turn off the power of the programmable controller then turn it on again 3 Each setting of communication format D8120 parameter of programmable controller by FX PCS WIN E N N network D8173 to D8180 and parallel link M8070 M8071 is suitable for the usage or it checks The communication is not correctly done if setting is not suitable for the usage When each setting is changed please turn off the power supply of the programmable controller and turn it on again 4 When you use FXON 485ADP or FX 485ADP in network please the power supply for the drive must be supplied correctly or check 4 2 LED Check Items 4 2 1 N N Network 1 Check the status of the RD LED and the SD LED provided on each 485BD If both of them are lit and extinguished nothing is wrong ifthe RD LED is lit extinguished but the SD LED is not lit extinguished not lit at all check the setting of the station No the baud rate transmission rate and the total number of salve stations Ifthe RD LED is not lit extinguished check the wiring
3. 2 Make sure that the communication error FX2N M8183 to M8190 FXon M504 to M511 in each slave station is not turned on and that the data communication flag FX2N M8191 FXon M503 is not turned off When one of the communication error flag is turned on or if the data communication flag is turned off check the error code of data registers FX2N D8211 to D8218 FXon D211 to D218 For the error code please see the FX Communication User s Manual 4 3 Parallel Link 1 Check the status of the RD RXD LED and the SD TXD LED provided on each communication unit If both of them are lit and extinguished nothing is wrong Ifthe RD RXD LED is lit extinguished but the SD TXD LED is not lit extinguished not lit at all check the setting of the master station and the slave stations If the RD RXD LED is not lit extinguished check the wiring 2 Make sure that the master station and the slave stations are set correctly If the setting is incorrect correct it 3 Make sure that the devices for the master station and the slave stations are handled correctly If they are handled incorrectly correct the program so that they are handled correctly 4 4 Computer Link 1 Check the status of the RD RXD LED and the SD TXD LED provided on each communication unit If both of them are lit and extinguished nothing is wrong Ifthe RD RXD LED is lit extinguished but the SD TXD LED is not lit extinguished not lit at all check the s
4. 2 1 No Protocol or Dedicated Protocol FX2N S FATC A series FXon 485BD FX oN 485ADP A series Porgrammable controller s computer link unit L p Y When using 485BD in the system total extension distance is 50m No use max 500m When using dedicated protocol max 16 stations including A series programmable controller 1 2 2 Parallel Link J FX2N 485BD 485BD FX2N FXon FXon CNV BD FXon 485ADP FX 2c FX2 40AW L ie A When using 485BD in system this distance is 50m No use max 500m But when using FX2 40AW in system this distance is 10m 1 2 3 N N Network Master Slave Slave Slave FX2N FX2N FX2N FX2N CNV BD FX2N 7 FXon 485BD 485BD FXon 485ADP 485BD A V When using 485BD in the system total extension distance is 50m No use max 500m max 8 stations 2 MUNTING AND WIRING 2 1 Mounting Procedure 485BD Turn off the power of the programmable controller and mount the 485BD using the following procedure Remove the panel cover from the top face of the base unit Connect the connector for programmable controller provided on the 485BD to the board mounting connector provided on the base unit Fix the 485BD to the base unit using the M3 self tapping screws supplied Tightening torque 0 3 to 0 6 Nem 3 to 6 kgfecm Remove the cut
5. 400 bps Isolation No isolation 4 DIAGNOSTICS For error code of N N network and computer link refer to the FX Communication User s Manual 4 1 Common Items 1 Check the connection with the communication unit of the programmable controller and the wiring When the connection is unstable the communication can not be corrected 2 Check whether the VRRD or VRSC instruction is used in used in the program If it is used delete it turn off the power of the programmable controller then turn it on again 3 Each setting of communication format D8120 parameter of programmable controller by FX PCS WIN E N N network D8173 to D8180 and parallel link M8070 M8071 is suitable for the usage or it checks The communication is not correctly done if setting is not suitable for the usage When each setting is changed please turn off the power supply of the programmable controller and turn it on again 4 When you use FXON 485ADP or FX 485ADP in network please the power supply for the drive must be supplied correctly or check 4 2 LED Check Items 4 2 1 N N Network 1 Check the status of the RD LED and the SD LED provided on each 485BD _ If both of them are lit and extinguished nothing is wrong ifthe RD LED is lit extinguished but the SD LED is not lit extinguished not lit at all check the setting of the station No the baud rate transmission rate and the total number of salve stations ifthe RD LED is n
6. Manual and FX Communication User s Manual Data transfer using the dedicated protocol Data transfer with RS485 422 units can be performed on the 1 N basis using the dedicated protocol For the contents of the dedicated protocol used in this application refer to the FX Communication User s Manual Data transfer using the parallel link Data transfer with an FX2N programmable controller can be performed on the 1 1 basis for 100 auxil iary relays and 10 data registers For the setting and program examples refer to the FX Communica tion User s Manual Data transfer using the N N network Data transfer with FX2N programmable controllers can be performed on the N N basis For the setting the number of transferred data and program examples refer to the FX Communication User s Manual 1 1 External Dimensions D D O Z Dimensions mm inches oo a Accessory M3 self tapping screwx2 Sy ome Terminal resistor 330Qx2 110Qx1 RDA _48 Mounting holes 2 4 0 0 16 RDB A A i aiar g Connector for programmable controller SDA S S e20 SD LED Flashes at high speed during sending RDB oy SDE Fse 5 RD LED Flashes at high speed during receiving SG Aa Terminals to connect RS485 unit The top face of this ter minal block is higher than the top face of the panel cover Zeie of the programm
7. out on the left of the panel cover using a tool such as nippers or cutters so that the terminal block is accessible The top face of this terminal block is higher than the top face of the panel cover of the programmable controller by approximately 7mm 2 2 Cable and Terminal Resistor 2 2 1 Cable To connect the RS485 422 unit use a shielded twisted pair cable The cable specification must be AWG 26 to 16 and the maximum tight ening torque must be 0 6 Nem 6 kgfecm If a cable other than the AWG 26 to 16 is used normal communication cannot be assured because k gt the terminal may be imperfectly contacted It is recommended to insert 6mm a cable integrated by the crimping tool into the terminal 2 2 2 Terminal Resistor Provide the terminal resistor at both ends of the line as described in section 2 3 2 and 2 3 3 1 In the case of two pair wiring connect the terminal resistor 3309 1 4W Orange Orange Brown between terminals SDA and SDB as well as between terminals RDA and RDB Use the resistors offered as accessories of the 485BD 2 In the case of one pair wiring connect the terminal resistor 1109 1 2W Brown Brown Brown between terminals RDA and RDB Use the resistors offered as accessories of the 485BD 2 3 Wiring 2 3 1 Selection of Wiring Wiring of RS485 is one pair wiring or two pair wiring The wiring method is decided according to the usage Please select the wiring meth
8. using the dedicated protocol For the contents of the dedicated protocol used in this application refer to the FX Communication User s Manual 3 Data transfer using the parallel link Data transfer with an FX2N programmable controller can be performed on the 1 1 basis for 100 auxil iary relays and 10 data registers For the setting and program examples refer to the FX Communica tion User s Manual 4 Data transfer using the N N network Data transfer with FX2N programmable controllers can be performed on the N N basis For the setting the number of transferred data and program examples refer to the FX Communication User s Manual 1 1 External Dimensions D D O Dimensions mm inches a 4 S P Accessory M3 self tapping screwx2 ECE Terminal resistor 330Qx2 1109x1 B i 2 RDA FG a 48 Mounting holes 2 4 0 0 16 RDB A S Ted g Connector for programmable controller SDA soal SD LED Flashes at high speed during sending spB r0 Be Fe Tse 6 RD LED Flashes at high speed during receiving SG Aa AET Terminals to connect RS485 unit The top face of this ter minal block is higher than the top face of the panel cover of the programmable controller by approximately 7mm 35 1 38 1 2 System Configuration 1
9. DB 7 if i LINK Jy it SG SG HBG 4 SG Mish se eee a 3 y ej 3 gt i eS P Grounding of resistance 100 or less 1 R is the terminating resistance Connect the terminating resistance 1109 between terminals RDA and RDB 2 The shield of the shielded twisted pair cable must be connected to ground 1002 or less When using parallel link ground both side When using no protocol or dedicated protocol ground one side 3 Connect terminal FG to each terminal of the programmable controller main body grounded with resis tance of 100 or less However for the computer link unit of the A series programmable controller see the manual of the computer link unit 4 When using RS232 485 or RS232 422 interface please the use FX 485PC IF 3 SPECIFICATIONS 3 1 General Specifications General specifications are the same as those for the FX2n series programmable controller 3 2 Power Supply Specification 5V DC 60 mA is supplied from the programmable controller 3 3 Specification Item Content Transmission standard Conforming to RS485 and RS422 Transmission distance Max 50 m LED indicators SD RD Item Content N N network Pelee onan 4 Half duplex communication and protocol Parallel link No protocol Full duplex communication Dedicated protocol and no protocol 300 19 200 bps Supported baud rate Parallel link 19 200 bps N N network 38
10. PROGRAMMABLE CONTROLLERS MELSEC F FX2N 485 BD COMMUNICATION BOARD HARDWARE MANUAL JY992D73401A This manual contains text diagrams and explanations which will guide the reader in the correct installation and operation of the FX2n 485 BD COMMUNICATION BOARD It should be read and understood before attempting to install or use the unit Further information can be found in the FX PROGRAMMING MAN UAL FXen series hardware manuals and manual of FX COMMUNICATION USER S MANUAL If in doubt at any stage during the installation of the FX2N 485 BD COMMUNICATION BOARD always consult a profes sional electrical engineer who is qualified and trained to the local and national standards 1 INTRODUCTION The communication board FX2N 485 BD for RS485 hereinafter referred to as 485BD can be connected to the base unit of the FX2N Series programmable controller to be used for the following applications 1 Data transfer using no protocol Data communication with diversified RS232C units including personal computers bar code readers and printers can be performed via the RS485 422 converter using the no protocol In this applica tion data is sent or received using the data registers specified by the RS instruction For the setting and program examples refer to the FX Programming Manual and FX Communication User s Manual 2 Data transfer using the dedicated protocol Data transfer with RS485 422 units can be performed on the 1 N basis
11. able controller by approximately 7mm 1 2 System Configuration 1 2 1 No Protocol or Dedicated Protocol RS422 485 Unit A FX FXec C FX2N FXoN p JA series I U 485BD EX on 485ADP A series Porgrammable controller s computer link unit x p Y When using 485BD in the system total extension distance is 50m No use max 500m When using dedicated protocol max 16 stations including A series programmable controller 1 2 2 Parallel Link 485BD FXen FX2n 485BD FX2n FX2n CNV BD FXon 485ADP FX 2c FX2 40AW kg When using 485BD in system this distance is 50m No use max 500m But when using FX2 40AW in system this distance is 10m J 1 2 3 N N Network Master Slave Slave Slave FX2N F X2N FX2N FX2N CNV BD FX2N i FXoN l 485BD 485BD FXon 485ADP 485BD When using 485BD in the system total extension distance is 50m No use max 500m max 8 stations 2 3 Wiring 2 3 1 Selection of Wiring Wiring of RS485 is one pair wiring or two pair wiring The wiring method is decided according to the usage Please select the wiring method from the table below 2 MUNTING AND WIRING 2 1 Mounting Procedure 485BD using the following procedu
12. am make sure that only one RS instruction is actuated in one operation cycle Never turn off the RS instruction while data is received or sent In the FX2n Series V2 00 or later an RS instruction is not executed if the counterpart equipment receives NAK Arrange the system so that the RS instruction is executed even if the counterpart equipment receives NAK Guidelines for the safety of the user and protection of the FX2N 485 BD Commu nication Board e This manual has been written to be used by trained and competent personnel This is defined by the European directives for machinery low voltage and EMC If in doubt at any stage during the installation of the FX2N 485 BD always consult a profes sional electrical engineer who is qualified and trained to the local and national standards If in doubt about the operation or use of the FX2N 485 BD please consult the nearest M Electric distributor Under no circumstances will M Electric be liable or responsible for any consequential damage that may arise as a result of the installation or use of this equipment All examples and diagrams shown in this manual are intended only as an aid to understand ing the text not to guarantee operation M Electric will accept no responsibility for actual use of the product based on these illustrative examples Owing to the very great variety in possible application of this equipment you must satisfy yourself as to its suitability for your sp
13. e Brown Use the resistors offered as accessories of the 485BD 2 In the case of one pair wiring connect the terminal resistor 110Q 1 2W Brown Brown Brown between terminals RDA and RDB Use the resistors offered as accessories of the 485BD Usage One pair wiring Two pair wiring g Refer to section2 3 3 Refer to section2 3 2 No protocol Half duplex communication 2 O Use RS instruction 1 Full duplex communication 3 x O If is necessary to set the mes 4 x O sage wait to 70ms or less Dedicated protocol 3 y If is not necessary to set the Use computer link 1 message wait to 70ms or less Qe 9 Use on demand function x O Parallel link Refer to section 2 3 4 4 O N N network O x Recommendation O OK Keds Can not use 1 When this product is added to the system please match the wiring to the wiring method of the sys tem 2 When using 485BD with this wiring method remember to take account of or ignore the echo of the commands sent from the FX2n programmable controller 3 Use FX2N programmable controller and 485BD together 4 For excluding the combination of 485BD please see below FX2 40AW 485BD 1 Connect the SG terminal to SG terminal of FX or SDA FXe2c main unit SA SB SDB 2 Connect the shield of shielded twisted pair cable to RDA ground 1002 or less please adjust the grounding RDE Z erm naung resistance only to one side sG
14. ecific application Manual number JY992D73401 Manual revision A Date MAY 1998 Effective MAY 1998 JY992D73401A Specifications are subject to change without notice MELSEC F FX2N 485 BD COMMUNICATION BOARD HARDWARE MANUAL JY992D73401A This manual contains text diagrams and explanations which will guide the reader in the correct installation and operation of the FX2n 485 BD COMMUNICATION BOARD It should be read and understood before attempting to install or use the unit Further information can be found in the FX PROGRAMMING MAN UAL FXen series hardware manuals and manual of FX COMMUNICATION USER S MANUAL If in doubt at any stage during the installation of the FX2zN 485 BD COMMUNICATION BOARD always consult a profes sional electrical engineer who is qualified and trained to the local and national standards 1 INTRODUCTION The communication board FX2N 485 BD for RS485 hereinafter referred to as 485BD can be connected to the base unit of the FX2N Series programmable controller to be used for the following applications 1 Data transfer using no protocol Data communication with diversified RS232C units including personal computers bar code readers and printers can be performed via the RS485 422 converter using the no protocol In this applica tion data is sent or received using the data registers specified by the RS instruction For the setting and program examples refer to the FX Programming
15. etting of the station No and the transmission rate baud rate If the RD RXD LED is not lit extinguished check the wiring and confirm the connection with the programmable controller 2 Make sure that the communication procedure is performed correctly If it is not performed correctly correct the setting in the computer 3 Check the NAK error code and programmable controller error code For the error code please see the FX Communication User s Manual 4 5 RS Instruction 1 Check the status of the RD RXD LED and the SD TXD LED provided in an optional equipment Ifthe RD RXD LED is not lit while data is received or the SD TXD LED is not lit while data is sent check the installation and the wiring When the RD RXD LED is lit while data is received or the SD TXD LED is lit while data is sent the installation and the wiring are correct Make sure the timing of data send receive For example make sure that the counterpart equipment is ready for receive before starting to send data to it When the terminator is not used check whether the send data capacity is equivalent to the accept able data capacity If the send data capacity may be changed use the terminator Make sure that the external equipment is correctly operating Check whether the type of send data and the type of receive data are equivalent If they are different make them equivalent When two or more RS instructions are used in the progr
16. ing of resistance 100 or less 1 R is the terminating resistance Connect the terminating resistance 1109 between terminals RDA and RDB 2 The shield of the shielded twisted pair cable must be connected to ground 1002 or less When using parallel link ground both side When using no protocol or dedicated protocol ground one side 3 Connect terminal FG to each terminal of the programmable controller main body grounded with resis tance of 100 or less However for the computer link unit of the A series programmable controller see the manual of the computer link unit 4 When using RS232 485 or RS232 422 interface please the use FX 485PC IF 3 SPECIFICATIONS 3 1 General Specifications General specifications are the same as those for the FX2n series programmable controller 3 2 Power Supply Specification 5V DC 60 mA is supplied from the programmable controller 3 3 Specification Item Content Transmission standard Conforming to RS485 and RS422 Transmission distance Max 50 m LED indicators SD RD Item Content N N network Communica Dedicated protocol tion method format 1 or format 4 and protocol Parallel link Half duplex communication No protocol Full duplex communication Dedicated protocol and no protocol 300 19 200 bps Supported baud rate Parallel link 19 200 bps N N network 38 400 bps Isolation No isolation
17. k unit 485BD FX ON 485ADP R spa VY a spa LA n gpa sDB H LA SDB spe R E E R RDA Y RDA i RDA 4 RDA S RDB RDB H RDB RDB if LINK if SG tH se HH HH se HH sa ree cee ae eee 3 a Ore ee gt 2 FG FG Grounding of resistance 100 or less R is the terminating resistance Connect the terminating resistance 330Q between terminals SDA and SDB and terminals RDA and RDB The shield of the shielded twisted pair cable must be connected to ground 100 or less When using parallel link ground both side When using no protocol or dedicated protocol ground one side Connect terminal FG to each terminal of the programmable controller main body grounded with resis tance of 100 or less However for the computer link unit of the A series programmable controller see the manual of the computer link unit When using RS232 485 or RS232 422 interface please the use FX 485PC IF 2 3 3 One pair Wiring A series programmable RS485 uni 485BD FX 0N 485ADP controller s computer link unit SDA es e SDA TYY ry SDA Spe spp L etH spp Ril RDA RDA RDA roa E RDB RDB RDB RDB ii i i LINK fi i ii SG SG HBG 4 SG Mish canna ea 3 gt e 3 2 SN FG G Ground
18. o or more RS instructions are used in the program make sure that only one RS instruction is actuated in one operation cycle Never turn off the RS instruction while data is received or sent In the FX2n Series V2 00 or later an RS instruction is not executed if the counterpart equipment receives NAK Arrange the system so that the RS instruction is executed even if the counterpart equipment receives NAK Manual number JY992D73401 Manual revision A MAY 1998 Date JY992D73401A Effective MAY 1998 Specifications are subject to change without notice
19. od from the table below Usage One pair wiring Two pair wiring 9 Refer to section2 3 3 Refer to section2 3 2 No protocol Half duplex communication 2 O Use RS instruction 1 Full duplex communication 3 x fe If is necessary to set the mes y x O sage wait to 70ms or less Dedicated protocol y If is not necessary to set the z Use computer link 1 message wait to 70ms or less aa z Use on demand function x O Parallel link Refer to section 2 3 4 4 O N N network O x Recommendation O OK Kiedis Can not use 1 When this product is added to the system please match the wiring to the wiring method of the sys tem 2 When using 485BD with this wiring method remember to take account of or ignore the echo of the commands sent from the FX2N programmable controller 3 Use FX2N programmable controller and 485BD together 4 For excluding the combination of 485BD please see below FX2 40AW SA ry rs s HHH se K 485BD 1 Connect the SG terminal to SG terminal of FX or FX2c main unit SDA 2 Connect the shield of shielded twisted pair cable to ground 1002 or less please adjust the grounding only to one side Terminating resistance 1109 5 Grounding of resistance 1002 or less 2 3 2 Two pair Wiring 1 22 3 4 A series programmable RS485 422 unit controller s computer lin
20. ot lit extinguished check the wiring 2 Make sure that the communication error FX2N M8183 to M8190 FXon M504 to M511 in each slave station is not turned on and that the data communication flag FX2N M8191 FXon M503 is not turned off When one of the communication error flag is turned on or if the data communication flag is turned off check the error code of data registers FX2N D8211 to D8218 FXon D211 to D218 For the error code please see the FX Communication User s Manual 4 3 Parallel Link 1 Check the status of the RD RXD LED and the SD TXD LED provided on each communication unit If both of them are lit and extinguished nothing is wrong If the RD RXD LED is lit extinguished but the SD TXD LED is not lit extinguished not lit at all check the setting of the master station and the slave stations If the RD RXD LED is not lit extinguished check the wiring 2 Make sure that the master station and the slave stations are set correctly If the setting is incorrect correct it 3 Make sure that the devices for the master station and the slave stations are handled correctly If they are handled incorrectly correct the program so that they are handled correctly 4 4 Computer Link 1 Check the status of the RD RXD LED and the SD TXD LED provided on each communication unit If both of them are lit and extinguished nothing is wrong If the RD RXD LED is lit extinguished but the SD TXD LED is n
21. ot lit extinguished not lit at all check the setting of the station No and the transmission rate baud rate If the RD RXD LED is not lit extinguished check the wiring and confirm the connection with the programmable controller 2 Make sure that the communication procedure is performed correctly If it is not performed correctly correct the setting in the computer 3 Check the NAK error code and programmable controller error code For the error code please see the FX Communication User s Manual 4 5 RS Instruction 1 Check the status of the RD RXD LED and the SD TXD LED provided in an optional equipment Ifthe RD RXD LED is not lit while data is received or the SD TXD LED is not lit while data is sent check the installation and the wiring When the RD RXD LED is lit while data is received or the SD TXD LED is lit while data is sent the installation and the wiring are correct Make sure the timing of data send receive For example make sure that the counterpart equipment is ready for receive before starting to send data to it When the terminator is not used check whether the send data capacity is equivalent to the accept able data capacity If the send data capacity may be changed use the terminator Make sure that the external equipment is correctly operating Check whether the type of send data and the type of receive data are equivalent If they are different make them equivalent When tw
22. re Remove the panel cover from the top face of the base unit unit supplied Tightening torque 0 3 to 0 6 Nem 3 to 6 kgfecm Turn off the power of the programmable controller and mount the Connect the connector for programmable controller provided on the 485BD to the board mounting connector provided on the base Fix the 485BD to the base unit using the M3 self tapping screws 485BD Remove the cut out on the left of the panel cover using a tool such as nippers or cutters so that the terminal block is accessible The top face of this terminal block is higher than the top face of the panel cover of the programmable controller by approximately 7mm 2 2 Cable and Terminal Resistor 2 2 1 Cable To connect the RS485 422 unit use a shielded twisted pair cable The cable specification must be AWG 26 to 16 and the maximum tight YA ening torque must be 0 6 Nem 6 kgfecm If a cable other than the AWG 26 to 16 is used normal communication cannot be assured because the terminal may be imperfectly contacted It is recommended to insert a cable integrated by the crimping tool into the terminal 6mm 2 2 2 Terminal Resistor Provide the terminal resistor at both ends of the line as described in section 2 3 2 and 2 3 3 1 In the case of two pair wiring connect the terminal resistor 3309 1 4W between terminals SDA and SDB as well as between terminals RDA and RDB Orange Orang
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