Delta Electronics RTU-485 User's Manual
Contents
1.2.
3. DIP aA HH aFBelm POWER BERI RTU 485 RTU 485 Modbus H01 H 02 H 03 H05 H06 H OF H 10 7 RTU 485 ID0 ID7 s 1D 6 7 H Modbus H 1 H F0 UM e eID5 EUN Um Erg IUS ER TE A M MN E isl LED K amp fi ARA HIR X 3Pin X ID 3 RS 485 H 0 HTFI H FF celo ra Ms qM E a E i key m 0 z jon 2 FO bit DO H 0500 H 057F d i Hr 55 AME SIH VE E rp z il AE 2H EB I A EIR L GE T Hk HJER Aj JF RH mem H FI H FP 558988 RTU 485 firi 1no ts SETTI Sin RTU 485 500V DC H 02 bi
4. IR BE a HH 1 RTU 485 FH RUNS RUN 2 AVAOTRZTGTSUH ER T ARUNJARE RUN 1 AVAOSSTERESSHEHRUNSJff amp E S TOPIRE RUN gt STOP as 5 2 DIDOR Y EE BEES ESOFFAARIE 1 RTU A85FESH RUN EIR 2 AVAOTETE EE ER S TOPATARE STOP STOP 3 AVAO RGC ESAE A n8 PE 4 DIDORR TERREA ANERE 1 RTU 485f5 tH E I EGRE DIDORR AANA OC A St STOP RUN e 2 AVAOf amp TERRAH HS TOP Jf SIRUNGA SE LED RTU 485
5. LED Bog Ho H Fl H FF Modbus 0 lID 2 H 01 Ei v2 rx Hii EHUDR EE bit DO H 0500 m H 057F yi H F1 H FF RTU 485 N D 1 RIU 485 iun Y DU A H02 EA EP PUR OAA Y Hr EUR BTE AT ERE LOIR A ORA PEDIS a TRUM ji X L er ys o A n A 4 LE 2m n uis dst EE H um H 0000 EN H 001F DP RG RTU 485 F E i M Ir EL oZ D 1 Mu z A83 Aea E t p 1 AVAO CR H1600 H1630 o r3 8 DIP PAO PA3 RTU 485 DRO DR2 A R ASCII RTU
6. RTU 485 PAH 3Pin 3S Beds RS 485 ina 2 TER DEG BIER TE SRL BE 500V DC am 1 F0 1 240 ERRE 1 200 2 400 4 800 9 600 19 200 38 400 57 600 115 200 bps i 3618 7 E 1 ASCII 7 0 1 ASCII 7 E 2 ASCII 7 0 2 ASCII 7 N 2 ASCII 8 E 1 ASCII 8 O 1 ASCII gt vus 8 N 1 ASCII gt 8 N 2 ASCII gt 8E I RTU gt 8 0 1 RTU gt 8 amp N I RTU gt 8 N 2 RTU 9 ERER 24V DC 15 20 ESD IEC 61131 2 IEC 61000 4 2 8KV Air Discharge gt 4KV Contact Discharge EFT IEC 61131 2 IEC 61000 4 4 Power Line 2KV Digital I O 1KV s von JJ Analog amp Communication I O IKV Damped Oscillatory Wave Power Line 1KV Digital I O 1KV RS IEC 61131 2 IEC 61000 4 3 80MHz 1000MBz 1 4GHz 2 0GEz 10V m 0 C 55 C GEJE gt 50 95 GRIE 2 RETF 25 C 70 C 5 9596 CRE mE EE u IEC61131 2 gt IEC 68 2 6 TEST Fc IEC61131 2 amp IEC 68 2 27 TEST Ea IEC 61131 2 gt UL508 cxt Kel e eut 2 RUN STOP
7. Slim DVDO gt AVAO RTU 485 Modbus AEWA Modbus m 25 2 1 1 g3 2 COE OPOWER Sm Je 3 BL T ID7 EILTIIS ID6 4 EH D m molre O BEH 3 um o Fere d mm 7 D Ee s 592 DRO nn ses see E 4 05 mm 1 POWER 3 amp 4 2 RUN 3 ALARM 1575 8 4 RUN STOP 5 Communication 182r 13 6 14 DIN FEF 7 15 8 RS 485 16 EIRA O
8. DIP Switch Setting Explanation a en i For valid RTU 485 address the definition of IDO ID7 tc RIPE Wo are 2 2 2 25 27 3 IDA 1D 3 H OO H F1 H FF In the Modbus protocol H 00 is defined as broadcast De mode H F1 H FF are incorrect RTU 485 addresses z NITID 1 ID Communication Mode Setup DIP Switch The communication setup switch is a set of 8 bit DIP switches PAO PA3 are for setting up RTU 485 communication mode DRO DR2 are for setting up the series transmission speed and A R is for setting up ASCII RTU mode There are 13 communication modes and 8 series transmission speeds available PA3 PA2 PA1 PAO A R Communication mode OFF OFF OFF OFF ON 7 E 1 ASCII OFF OFF OFF ON ON 7 0 1 ASCII OFF OFF ON OFF ON 7 E 2 ASCII OFF OFF ON ON ON 7 0 2 ASCII OFF ON OFF OFF ON 7 N 2 ASCII ER s OFF ON OFF ON ON 8 E 1 ASCII PA1 OFF ON ON OFF ON 8 0 1 ASCII wu PA OFF ON ON ON ON 8 N 1 ASCII id LK ON OFF OFF OFF ON 8 N 2 ASCII gt NI DRO OFF ON OFF ON OFF 8 E 1 RTU A R OFF ON ON OFF OFF 8 0 1 RTU OFF ON ON ON OFF 8 N 1 RTU ON OFF OFF OFF OFF 8 N 2 RTU Other settings of PA3 PA2 PA1 PAO and A R will be regarded as invalid communication modes DR2 DR1 DRO Series Transmission speed OFF OFF OFF 1 200
9. 2 DUDORY ARA AOFERE OFF ON OFF 4 800 bit s A 1 RTU 485 BERBURUNTT ARX AP SAT HESS 13r i B II HIREA i 4 r Ee NIS GE OR ON 9 600 bit s AALE PAARE RPSL ESUSNA HU RESE ome 2 AVAO STOP l AVAO ON OFF OFF 19 200 bit s pgs VERSER STOP 3 AIAO 2 16 words ON OFF ON 38 400 bit s 4 DVDO ON ON OFF 57 600 bit s STOP s RUN 1 RTU 485 Y DVDO ALAO ON ON ON 115 200 bit s 2 AVAO STOP RUN por EIEN m RTU 485 LED XTi amp 7n UL B yE F c as ID gt 2 DIP A IID 7 RTU 485 EEEH Modbus E 4748 H01 H02 H03 gt H05 gt H06 H OF H 10 gt 7 EIZJGERS lt V 485 ID0 ID7 m m 1D 6 POWER Modbus MEN iiid 3 25 2525 A ers AN VE LID 4 X Jj qoo uw TAE 3 i 9 STIS m m m Y OPEN TYPE du
10. 13 8 2 RUN 2 ANAO CR H 1640 H 1670 RTU 485 RTU 485 Modbus 1 O m m mE SAT m xil y Nf uL H ALS EY SES 5S 3 ATAO HEFEI CR H 1680 H Slim DIDO AIAO RTU 485 Modbus LED 3 AUAO C a OFF OFF OFF OFF ON 7 E 1 ASCII Modbus m HO03 RECE word 4 6 ANAO CR H 16C0 H 16F0 OFF OFF OFF ON ON 7 0 1 ASCII IK RTU 485 STOP AJIAO STOP OFF OFF ON ON ON 7 02 ASCII RTU 485 RUN 6 AIAO CR H1740 H 1770 7 AI AO RUN HE SUCUS 252 OFF ON OFF OFF ON 7 N2 ASCII rn elPa3 7 AVAO CR H 1780 HP 17BO 1 Ses OFF ON OFF ON ON 8 E 1 ASCII ai NIPA R ram PA1 m ALARM 8 ANAO CR H 17C0 HD 17F0
11. HA SEHR EE n LES Li cu gt jd 4E Jr LE p OFF ON OFF ON OFF S E I RTU aN LA UD H OF bit DO X bi H 0500 H 057F OFF ON ON OFF OFF 8 0 1 RTU ABESSE TEL BER AMERA H01 H FO T JJ Jl lt m RTU H 0003 OFF ON ON ON OFF 8 N I RTU 1 AERARII 1 S RESELU IE WERREEH ES E OH ERECTA PIERO LATER TAE DER GUTER J2 E ON OFF OFF OFF OFF 8 N2 RTU 2 EEIE AES 5 i OHSHRECREBR S a RUN STOP won 1 8 amp AVAO CR EPH JORR SORAK 9 3 ETEA ICRA AAE 9 E PA3 gt PA2 gt PAI gt PAO gt A R 3 128 SK 3 128 QS Lm ER 1 RTU 485 RUN 03 AUAO CRO CR1 ASCI DR2 DRI DRO 2 RS 485 RHEURERHH xis 2 AIAO RUN PLC RTU 485 01 03 16 00 00 02 E4 CR LF OFF OFF OFF 1 200 bit s anean eit she A RTU 485 PLC 01 03 0400 88 00 00 70 CR LF S SER AR y OFF OFF ON 2 400 bit s LED HRE RAFTA
12. bit s OFF OFF ON 2 400 bit s OFF ON OFF 4 800 bit s OFF ON ON 9 600 bit s ON OFF OFF 19 200 bit s ON OFF ON 38 400 bit s ON ON OFF 57 600 bit s ON ON ON 115 200 bit s O Function Codes Supported by RTU 485 RTU 485 complies with the standard Modbus protocol supporting the 7 function codes H 01 H 02 H 03 H 05 H 06 H OF and H 10 Please refer to the standard Modbus protocol for the specific data format of each function code Function code Function Data type Applicable address H 01 A bit DO area H 0500 H 057F evice H 02 FIBRE I8 IN UT SISTUS oP on bit DI area H 0400 H 047F device Special function area H 0000 H 001F CR of the 1 AI AO unit H 1600 H 1630 CR of the 2 AVAO unit H 1640 H 1670 CR of the 3 AI AO unit H 1680 H 16B0 H 03 Read register word CR of the 4 AI AO unit H 16C0 H 16F0 CR of the 5 AI AO unit H 1700 H 1730 CR of the 6 AI AO unit H 1740 H 1770 CR of the 7 AI AO unit H 1780 H 17BO CR of the 8 AI AO unit H17CO H 17F0 Write single datum into bit Ho5 device bit DO area H 0500 H 057F RUN STOP RTU module H 0003 H 06 Write single datum into register word Applicable to CR with write attribute in the 1 8 AI AO extension unit H OF Write many data into bit device bit DO area H 0500 H 057F RUN STOP RTU module H 0003 H 10 Write many data into register word Applicable to CR with write attribute in the 1 8 AI AO extension unit Example Use function c
13. om 5 OFF ON OFF ON ON 8 E 1 ASCII Ib PAD x E OFF ON ON OFF ON 8 0 1 ASCII T DRe ITI y E H 05 bit DO H 0500 H 057F 4 ES e oDRI LED gei OFF ON ON ON ON 8 N I ASCII zLIN DRO Er KH BAC EIBBHTCIH o 2 yi E SEE d RTU ELSE EJ H 0003 8 mm n EXTENSION ON OFF OFF OFF ON 8 N 2 ASCII A R EAT 485 H06 HERE TA EERIE word sp 1 8 AIAO CR 3 E E 7 OFF ON OFF ON OFF 8 E 1 RTU E Eos ORE ON ON ODE m SOTTU E RTU 485 m ad iT P DOMENUS HOF S GU BEBEBE RE AERE bit DO H 0500 H 057F E 8 OFF ON ON ON OFF 8 N I RTU yka jn BI yt Hy E LA W RTU fH 8j L 876 H 0003 po IE a iid AUR CEP SE A ao E A u ut Hu0 SEREH ERE PA3 PA2 PAl PAO AR 1 1 FEIERN 1 8 AVAO CR 8 8 RAS mm 2 8 f 2 8 J 32k 47 mE DR
14. polarity reverse protection m Environment ESD IEC 61131 2 IEC 61000 4 2 8KV Air Discharge 4KV Contact Discharge EFT IEC 61131 2 IEC 61000 4 4 Power Li4ne 2KV Digital 1 0 1KV Noise immunity Analog amp Communication 1 0 1KV Damped Oscillatory Wave Power Line 1KV Digital l O 1KV RS IEC 61131 2 IEC 61000 4 3 80MHz 1000MHz 1 4GHz 2 0GHz 10V m Operation 0 C 55 C temperature 50 95 humidity pollution degree 2 Speration storage Storage 25 C 70 C temperature 5 95 humidity Shock vibration International standards IEC61131 2 gt IEC 68 2 6 TEST Foc IEC61131 2 amp IEC 68 2 27 immunity TEST Ea Standards IEC 61131 2 UL508 Components 2 RUN STOP Switch Status Explanation 1 RUN indicator on RTU 485 is On RUN 2 AI AO extension unit in RUN status RUN STOP 1 AI AO extension unit switches from RUN to STOP status 2 Y points on DI DO extension unit are all Off 1 RUN indicator on RTU 485 is Off A STOP 2 AI AO extension unit in STOP status 3 Communication control is not allowed in AI AO extension unit SO 4 Communication control is not allowed in DI DO extension unit 1 RTU 485 re detects the number of points in DI DO unit and the STOP gt RUN number of AI AO units AI AO extension unit switches from STOP to RUN status N Address Setup DIP Switch
15. protocol Product Profile amp Outline e 252 EE e 2 Il cum a 3 sa 4 ae 15 SIES m z S EXTENSION PORT o EE 16 HE 7 B D esp E Eca pes Lr ss ie 8 L 65 Unit mm 1 POWER indicator 9 Mounting hole for extension unit 2 RUN indicator 10 Nameplate 3 ALARM indicator 11 Extension port for extension unit 4 RUN STOP switch 12 DIN rail slot 35mm 5 Communication indicator 13 Fastening hole for extension unit 6 Address setup DIP switch 14 DIN rail clip 7 Communication mode setup DIP switch 15 Mounting rail for extension unit 8 RS 485 communication port 16 Power input O Specifications RTU 485 Connector Type Removable 3 pin connector Transmission method ibd Transmission cable 2 twisted isolation cables Electrical isolation 500V DC sm Communication Valid communication address Series transmission speed 1 FO decimal 1 240 1 200 2 400 4 800 9 600 19 200 38 400 57 600 115 200 bps bits per second 7 E 1 ASCII 7 O 1 ASCII 7 E 2 ASCII 7 0 2 ASCII 7 N 2 ASCII 8 E 1 ASCII 8 0 1 ASCII 8 N 1 ASCII 8 N 2 ASCII 8 E 1 RTU 8 O 1 RTU 8 N 1 RTU 8 N 2 RTU Communication mode a Electrical Specification Power voltage 24V DC 15 2096 with DC input
16. 2 DRI DRO 3 128 3 128 T ue 1 POWER 9 03 AVAO VOCI CRO CR1 ASCH m I 5 ou OFF OFF OFF 1 200bit s FPR E B 2 RUN 10 PLC RTU 485 FRERE KAN 0103 16 00 00 02 E4 CR LF RS 485 4T ER WH E apum OFF OFF ON 2 400 bit s m RTU 485 PLC ERU j 0103 0400 88 00 00 70 CR LF 3 ALARM 11 oc S om mem m B S z ac 4 RUN STOP 12 DIN 35mm LED 5 Communication 13 OFF ON ON 9 600 bit s SER Hs ev At e BU l 3 258 ATAO 6 14 DIN ON DE OFF 19 200 bit s RITA DL p M VERUM NS WE Y i u Fas m k 2 16 words 7 15 ON OFF ON 38 400 bit s 8 RS 485 16 ON ON OFF 57 600 bit s ON ON ON 115 200 bit s
17. 2007 08 13 5011668000 RU00 AA NELTA DELTA ELECTRONICS INC NS U AU Aot INSTRUCTION SHEET A Modbus Remote I O Communication Module A Modbusi amp iiml OS S MSSH A Modbusjzx fzl Oj il 18 1x www delta com tw industrialautomation N Warning Y Please read this instruction sheet carefully before use Y Switch off the power before wiring Y RTU 485 is an OPEN TYPE device and therefore should be installed in an enclosure free of airborne dust humidity electric shock and vibration The enclosure should prevent non maintenance staff from operating the device e g key or specific tools are required to open the enclosure in case danger and damages on the device may occur Y DO NOT touch the internal circult in one minute after the power is switched off Y DO NOT connect input AC power supply to any of the I O terminals otherwise serious damage may occur Check all the wiring again before switching on the power and DO NOT touch any terminal when the power is switched on Make sure the ground terminal is correctly grounded in order to prevent electromagnetic interference Introduction Thank you for choosing Delta RTU 485 communication module RTU 485 is a Modbus remote IO communication module for Delta s PLC to remote control Slim series DI DO and AI AO extension units As a standard Modbus slave RTU 485 is compatible with other master station complying with Modbus
18. HICA AVAO Sz ESSEHB ERR RUN m 6 AVAO CR H 1740 H 1770 OFF OFF ON ON ON 7 0 2 ASCII ESD IEC 61131 2 IEC 61000 4 2 8KV Air Discharge 4KV Contact Discharge 7 AVAO CR H 1780 H 17B0 OFF ON OFF OFF ON 7 N 2 ASCII f EFT IEC 61131 2 IEC 61000 4 4 Power Line 2KV Digital I O 1KV a e PA ALARM RHEURRRH Analog amp Communication I O IKV 8 amp AIYAO CR H 17C0 HP 17F0 OFF ON OFF ON ON S E 1 ASCII i s Damped Oscillatory Wave Power Line 1KV Digital I O 1IKV OFF ON OFF ON ON amp E ASCII ee LED IRRE RS IEC 61131 2 IEC 61000 4 3 80MHz 1000MHz 1 4GHz 2 0GHz 10V m H 05 bit DO K H 0500 H 057F I J DRE em 0 C 55 C 50 95 2 OFF ON ON OFF ON 8 0 1 ASCII 3g 485 JEH HEE EE HRS TEM 1 25 ap Ej H DRI TANE ERER B a M BIEMNA ete SC TUC 5 95 RTU ARRAI E s O00 OFF ON ON ON ON 8 N I ASCII is e i IECO1131 2 IEC 68 2 6 TEST FcyIEC61131 2 amp IEC 68 2 27 TEST Ea H 06 word 1 8 amp ATAO CR ON OFF OFF OFF ON 8 N 2 ASCII M RTU 485 JHH sr Hen BB Mec RETE IEC 61131 2 UL508
19. ncorrect station No Make sure the extension unit is correctly connected 2 Make sure the number of connected extension units is less than 8 3 Make sure the number of I O points is less thani28 m RS 485 Indicator LED status Indication How to deal with it The LED will flash once when RTU 485 and the master completes the communication of 1 message Red light flashes during communication A mam V V Y OPEN TYPE Y w pnpfejJ i RTU 485 HVA RTU 485 F5 Modbus pimi UO
20. ode 03 to read CRO and CR1 in the 1 AI AO extension unit ASCII mode The request message sent from master PLC to RTU 485 is 01 03 16 00 00 02 E4 CR LF The responding message sent from RTU 485 to the master PLC is 01 03 04 00 88 00 00 70 CR LF s Note 1 RTU 485 can only read and write one AI AO extension unit at the same time 2 RTU 485 is able to read write maximum 16 words at a time in the communication control LED indicators zu POWER Indicator LED status Indication How to deal with it Check if the power and connection of RTU 485 work normally If both work normally your RTU 485 malfunctions Please change to a new RTU 485 Off No power Constantly On in green RTU 485 module is powered m RUN Indicator LED status Indication How to deal with it Off RTU 485 and the connected AI AO _ extension unit are in STOP status RTU 485 and the connected AI AO Constantly On in green extension unit are in RUN status j ALARM Indicator LED status Indication How to deal with it Adjust the voltage supplied to RTU 485 to Red light flashes Low power voltage normal voltage Reset to the communication format Incorrect communication format supported by RTU 485 and re power the module after the setup Check if the station No is within H O1 H FO Constantly On in red 1 1 No extension unit connected 2 More than 8 extension unit connected 3 More then 128 I O points in the extension unit I
21. t DI H 0400 H 047F RTU 485 HAEE SDE lt H 0000 H 001F E AoH ESEN p c EA IH SEU Vt AE BARN 1 F0 1 240 1 AIAO CR H 1600 H 1630 e E EN MH 1 200 2 400 4 800 9 600 19 200 38 400 57 600 115 iR 8 DIP PAO PA3 BEE RTU 485 DR0 DR2 get 2 RUN HERH EMEN o 0 0 500 BD MBURQ 2 AVAO CR H 1640 H1670 ok A R ara ASCII RTU 13 f 8 f ER eti cde euIDIgEE EM 7 E 1 ASCII 7 0 1 ASCIL 7 E 2 ASCII 7 0 2 ASCIL 7 N 2 ASCII 8 E 1 ASCII 8 0 1 ASCII LED ERE RURE amp N I ASCII 8 N 2 ASCII amp E I RTU 8 0 I RTU 8 N I RTU 8 N 2 RTU 3 AVAO CR H 1680 H 16B0 PA3 PA2 PA1 PAO AIR m RTU 485 FHH A STOP IRBE gt Etsi H 03 word 4 AIAO CR H 16C0 H 16F0 OFF OFF OFF OFF ON 7 E 1 ASCII FER AI AO gu ah M EU ve j idis da BE OFF GEP GR ON 7 0 1 ASCII E 24V DC 15 20 5 AVAO CR 1700 H 1730 RTU 485 FER RUN JARRE NE OFF OFF ON OFF ON 7 E2 ASCII
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