CONV-X MK1 - E
Contents
1. C eeozlecteonie 170 1U0 CON VAO 0 3 11 98 ie J USER MANUAL CONV X MK1 29 10 98 9 05 conv xE5 p65 Page 2 29 10 98 9 05 INDEX 1 GENERAL INFORMATION Tiss INTRODUGTION iii ias Aaa a 1 2 PRODUCT SPECIFICATIONS 2 OPERATIVE MODES 2 1 OPERATIVE MODE A interface between RS 232C and RS 422A 5 2 2 OPERATIVE MODE B interface between RS 232C and RS 485 with external transmission reception control 6 2 3 OPERATIVE MODE C interface between RS 232C and RS 485 with automatic transmission reception control 6 3 HARDWARE SETTINGS 4 INSTALLATION ade MOUNTING 2E Haie ga 4 2 WIRING GUIDE LINE 435 POWER LINE 2 s iiasasikaa sintaks s si sia iai 44 MODE A RS 232C RS 422A WIRING GUIDE LINES sussoun iini 11 conv xE5 p65 3 Page 3 4 5 MODEB RS 232C RS 485 WITH EXTERNAL LINE CONTROL WIRING GUIDE LINE 20 13 4 6 MODE C RS 232C RS 485 WITH AUTOMATIC LINE CONTROL WIRING GUIDE LINE 5 GENERAL ASSEMBLY auznsasananansnnananensnnananennananensnnn 17 6 CODING 7 LABELS scsscssssssssssnsssesensssnsensnsesenenensenensssenensnseneness 18 APPENDIX A 29 10 98 9 05 1 GENERAL INFORMATION 1 1 INTRODUCTION The CONV X is a micro processor based serial interface converter developed for a smart field problems solution The flexibility is the most important feature of2. 1 stop ON OFF 1 start 7 data 2 stop ON OFF 1 start 8 data 1 stop ON OFF 1 start 7 data 1 parity 2 stop OFF ON 1 start 8 data 2 stop OFF ON 1 start 8 data 1 parity 1 stop OFF ON 1 start 8 data 1 parity 2 stop OFF OFF Page 8 conv xE5 p65 8 Foo TE U000U va ou 1234567 8 29 10 98 9 05 NOTE the instrument detects the dip switch setting at instrument switching on only After a modification of the dip switch set switch off the converter and than switch it on again 4 INSTALLATION 4 2 WIRING GUIDE LINES Connections are to be made with the converter housing 4 1 MOUNTING installed in its proper location Select a mounting location where there is minimum vibration and the ambient temperature must be between 0 and 50 C 2 ia aaa of The instrument can be mounted on a DIN 46277 3 omega rail Fig 4 1 DIMENSION Page 9 conv xE5 p65 9 29 10 98 9 05 4 3 POWER LINE PHASE 8 100 to 240 V AC 50 60 Hz 9 or 24 V AC DC NEUTRAL 10 11 EARTH Fig 4 2 POWER LINE WIRING NOTES 1 Before connecting the instrument
3. terminals serew M3 for cable from AWG 22 to AWG 14 with identifica tion labels connection diagrams and safety cover Dimensions DIN 43700 48 x 96 mm depth 125 mm Weight 300 g max Power supply 100 to 240V AC switching type or 24 AC DC 50 60Hz Power supply variations from 15 to 10 of the nominal value Page 4 29 10 98 9 05 Power consumption 4 VA max Isolation resistance gt 100 MQ according to IEC 1010 1 Dielectric strength 1500 V r m s continuous according to IEC 1010 1 Ambient temperature 0 to 50 C Storage temperature 20 to 70 C Humidity from 20 to 85 RH non condensing Protections WATCH DOG circuit for automatic restart SERIAL INTERFACES Communication type Mode A bi directional full duplex Mode B and C bi directional half duplex Baud rate Mode A and B free with max 76800 baud Mode C 150 300 600 1200 2400 4800 9600 19200 baud selectable by internal dip switch Line length 15 m max for RS 232C 1200 m max 19200 baud for RS 422A and RS 485 Word length Mode A and B free Mode C 7 or 8 bit with or without parity 1 or 2 stop bit selectable by internal dip switch conv xE5 p65 5 2 OPERATIVE MODES The CONV X offers 3 different operative mode 2 1 OPERATIVE MODE A interface between RS 232C and RS 422A In this mode the CONV X assures the complete isolation between the two serial interfaces and the correct level signals for both interf
4. aces In this operative mode the communication may be full duplex and the communication protocol have no limit for word length and baud rate max 19200 baud NOTE using two CONV X set in mode A it is possible to connect two RS 232C interface on a long distance the first instrument convert from an RS 232C to an RS 422A and after max 1200 m the second one convert from RS 422A to RS 2320 Page 5 29 10 98 9 05 2 2 OPERATIVE MODE B interface between RS 232C and RS 485 with external transmission reception control In this mode the CONV X convert a full duplex standard communication interface RS 232C into a half duplex standard communication interface RS 485 In this situation two elements are critical 1 the communication protocol must be half duplex 2 it is necessary to manage the direction of the informations from master to slave or viceversa This manage must assure the line switching after the complete transfer of the last data only and before the start of the relative reply In this operative mode too the communication protocol have no limit for word length and baud rate max 19200 baud but the line switching management may be very difficult for expert software developer also The line switching is made by a software administration of a logic signal usually RTS whose status defined the transmis sion direction from RS 232C to RS 485 or viceversa conv xE5 p65 6 When the RTS signal have a bi
5. ard interface allows to intercon nect up to 32 devices The cable length for RS 232C serial interface must not exceed 15 m at 19200 baud 4 The RS 232C standard interface allows to interconnect 2 devices only 5 Do not run the data lines together with power cable 6 If shielded cable is used it should be grounded at one point only wo WARNING The RS 485 standard is a half duplex communication interface The communication protocol must be half duplex when this type of interface is used When the mode C is used the RTS signal Request to Send will be ignored Page 16 conv xE5 p65 16 29 10 98 9 05 5 GENERAL ASSEMBLY 6 CODING Cc MODEL O CONV X MK1 smart converter o D POWER SUPPLY Lt 3 100 240 V AC 5 24 V AC DC Ovovove Q OF CONV X MK1 Fig 5 1 INSTRUMENT EXTRACTION Page 17 conv xE5 p65 17 29 10 98 9 05 7 LABELS 7 1 IDENTIFICATION LABEL om MODEL Cza The instrument identification label see Fig 7 1 is located 7 EVO ELECTRON externally on the right hand of the housing It contains the following information CONV STATUS XX XX a The instrument Model Number on the left side column The model number includes the instrument code which allows 3 POWER SUPPLY 110 220 V AG the instrument functions to be determined Each co
6. atic line handling RESERVED 2 3 2 3 When mode A is selected no other setting are reguired Mode B reguires to define the sense of the external line control signal RTS in relation with the transmission direction The possible solutions are shown in the following table FUNCTION J103 A positive signal on RTS selects the transmission 1 2 from RS 232C to RS 485 A positive signal on RTS selects the transmission 2 3 from RS 485 to RS 232C oo sg a oo oo 00 og oo 3 00 00 00 200 oo oo uni oo oo S00 sono 00 Soames Page 7 conv xE5 p65 7 29 10 98 9 05 When mode C automatic line handling is selected itis necessary The dip switches 5 and 6 must be in ON condition to set 1 the baud rate according to the following table Baud rate swi sw2 SW3 SW4 150 ON ON ON ON 300 ON ON ON OFF 600 ON ON OFF ON 1200 ON ON OFF OFF 2400 ON OFF ON ON 4800 ON OFF ON OFF 9600 ON OFF OFF ON 19200 ON OFF OFF OFF reserved OFF ON ON ON reserved OFF ON ON OFF reserved OFF ON OFF ON 2 the word length according to the following table FORMAT in bit SW7 SW8 1 start 7 data 1 stop ON ON 1 start 7 data 1 parity
7. de item 1 OPERATIVE MODE A AND B contains a brief description A complete description of all the code items can be found in chapter 6 b The instrument Serial Number on the bottom line SERIAL NUMBER XX XX XXX Page 18 conv xE5 p65 18 29 10 98 9 05 7 2 ABRIDGED LABELS Two abridged labels are provided to allow the instrument parts to be identified They are located a on the bottom of the card b internally on the bottom front of the housing The abridged labels contain the Model Number and the Serial Number only APPENDIX A IBM XT AT PS 2 and RIC are registred trade marks of the International Business Machines The RIC Real time Input output Coprocessor is an hardware board of the IBM and it is available in RS 232C or RS 422A versions Page 19 conv xE5 p65 19 29 10 98 9 05 gt EROELECTROMC Ero Electronic s r l Via Nino Bixio 47 49 20026 Novate Milanese Milano Italy Tel 39 02354781 Fax 39 023546625 A Siebe Group Company Representatives CHINA U S A TIANJIN VEGA COMPANY Ltd AMERICAN ERO ELECTRONIC CORP 95 Zhi Cheng Road 365 Bateman Circle Hebei District P O Box 3608 300232 Tianjin PRC BARRINGTON ILL 60010 Tel 022 26273296 Tel 847 382 0881 Fax 022 26273297 Fax 847 382 0240 UNITED KINGDOM EIRE EUKERO CONTROLS LTD Unit 1 Waterside Business Centre Railshead Road Isleworth Middlesex TW7 7BY Te
8. istribution Box 15 pin connector for interface type RIC 2 ports 9 pin connector for computer type IBM AT 25 pin connector for interface type RIC 8 ports 15 pin connector for interface type RIC 2 ports Page 11 conv xE5 p65 11 29 10 98 9 05 NOTE 1 The cable length for RS 422A serial interface must not exceed 1 2 km at 19200 baud 2 The RS 422A standard interface allows to interconnect 2 devices only 3 The cable length for RS 232C serial interface must not exceed 15 m at 19200 baud 4 The RS 232C standard interface allows to interconnect 2 devices only 5 Do not run the data lines together with power cable 6 If shielded cable is used it should be grounded at one point only 7 The following report describes the signal sense of the voltage appearing across the interconnection cable as defined by EIA for RS 485 and RS 422A a The A terminal of the generator shall be negative with respect to the B terminal for a binary 1 MARK or OFF state b The A terminal of the generator shall be positive with respect to the B terminal for a binary 0 SPACE or ON state Page 12 conv xE5 p65 12 29 10 98 9 05 4 5 MODE B RS 232C RS 485 WITH EXTERNAL LINE CONTROL WIRING GUIDE LINES RS 232C A A Signal Ground B b Request to send Transm Data Receive Data 25 pin connector for IBM XT PS 2 o
9. l 0181 5684664 Fax 0181 5684115 conv xE5 p65 20 Branch Offices BENELUX GERMANY ERO ELECTRONIC BENELUX S A N V ERO ELECTRONIC GmbH Rue du Val Notre Dame 384 Quarzweg 1a 4520 MOHA Wanze D 65604 Elz Tel 085 274080 Fax 085 274081 Tel 06431 95680 Fax 06431 57493 BRAZIL SOUTH AFRICA ERO ELECTRONIC DO BRASIL ERO ELECTRONIC S A Industria e Comercio Ltda P O Box 43112 Rua Garibaldi 659 Conj 202 2042 INDUSTRIA 90035 050 Porto Alegre RS Brasil Tel 011 4742278 Tel 051 2214888 Fax 011 4749404 Fax 051 2214734 SWITZERLAND FRANCE ERO ELECTRONIC AG ERO ELECTRONIC Sarl Kempttalstrasse 27 A ZAC du Ch ne 8320 FEHRALTORF Tel 01 9542220 Fax 01 9543284 34 rue du 35 me R giment d Aviation 69673 BRON Cedex Tel 0478267979 Fax 0478267800 Factories ITALY MALTA ERO ELECTRONIC S r l ERO ELECTRONIC Malta Limited Via E Mattei 21 Tubingen Centre 28100 Novara F17 Mosta Technopark Mosta MST 02 29 10 98 9 05
10. nary 1 state 3V lt V lt 25V the data came from RS 485 to RS 232C When the RTS signal have a binary 0 state 25V lt Varg lt 3V the data came from RS 232C to RS 485 It is possible to revert the ratio between signal status and transmission direction by an internal jumper 2 3 OPERATIVE MODE C interface between RS 232C and RS 485 with automatic transmission reception control In this mode the CONV X assures a smart conversion of a full duplex standard communication interface RS 232C into a half duplex standard communication interface RS 485 offering to the user a transparent management of the data direction In this condition it is only necessary that the communication protocol is a half duplex type The instrument guaranty an automatic and correct line switching and relieve the user from all problems of line management In this operative mode the converter needs to know the word length and the baud rate used by communication protocol Page 6 29 10 98 9 05 3 HARDWARE SETTINGS Before to install the instrument it is necessary to perform the following settings A brief description of the instrument extraction and cards removal are shown in paragraph 5 GENERAL ASSEMBLY Set the desired operative mode according to the following table MODE FUNCTION J101 J102 A RS 232C into RS 422A 1 2 1 2 B RS 232C into RS 485 with 2 3 1 2 external line control C RS 232C into RS 485 with 1 2 2 3 autom
11. r interface type RIC 8 ports with Molded Distribution Box 9 pin connector for computer type IBM AT 15 pin connector for interface type RIC 2 ports Page 13 conv xE5 p65 13 29 10 98 9 05 NOTE 1 The cable length for RS 485 serial interface must not exceed 1 2 km at 19200 baud 2 The RS 485 standard interface allows to intercon nect up to 32 devices 3 The cable length for RS 232C serial interface must not exceed 15 m at 19200 baud 4 The RS 232C standard interface allows to interconnect 2 devices only 5 Do not run the data lines together with power cable 6 If shielded cable is used it should be grounded at one point only WARNING The RS 485 standard is a half duplex communication interface The communication protocol must be half duplex when this type of interface is used Page 14 conv xE5 p65 14 29 10 98 9 05 4 6 MODE C RS 232C RS 485 WITH AUTOMATIC LINE CONTROL WIRING GUIDE LINES RS 232C A A Signal Ground B b C C Transm Data Receive Data 25 pin connector for IBM XT PS 2 or interface type RIC 8 ports with Molded Distribution Box 9 pin connector for computer type IBM AT 15 pin connector for interface type RIC 2 ports Page 15 conv xE5 p65 15 29 10 98 9 05 A A B b C C NOTE 1 The cable length for RS 485 serial interface must not exceed 1 2 km at 19200 baud 2 The RS 485 stand
12. this converter and it is proved by the 3 different operative modes A conversion from RS 232C to RS 422A assuring the complete isolation between the two serial interfaces and the correct level signals for both interfaces B conversion from RS 232C to RS 485 with external handling of the line inversion by RTS assuring the compatibilities with other interface adapters C conversion from RS 232C to RS 485 with automatic handling of the line inversion This solution guaranty not only the isolation and the correct level signals for both interfaces but also a smart handling of the line inversion raising the software developer from all problems of line administration The construction in accordance to the IEC and EIA standards and the full isolation between all parts offer the widest range of possible application of this serial interface converter conv xE5 p65 4 1 2 PRODUCT SPECIFICATIONS GENERAL SPECIFICATIONS Case PC ABS black colour self extinguishing degree V 0 according to UL 96 Protection IP 20 according to IEC 529 and CEI 70 1 Isolation Optical isolation between RS 232C and RS 485 or RS 422A galvanical isolation between power supply and digital circuits Installation behind the board on DIN 46227 3 omega rail Instrument removable from case by screwdriver help Plug in construction PC boards are assembled by snap in action for easy inspection and replacement of all boards Terminal block with screw
13. to the power line make sure that line voltage corresponds to the description on the identifi cation label 2 To avoid electrical shock connect power line at the end of the wiring procedure 3 For supply connections use No 16 AWG or larger wires rated for at last 75 C 4 Use copper conductors only 5 Don t run input wires together with power cables 6 For 24 V DC the polarity is a not care condition 7 The power supply input is not fuse protected Please provide a fuse rated T 0 5 A 250 VAC externally When fuse is damaged itis advisable to verify the power supply circuit so that it is necessary to send back the instrument to your supplier 8 The safety requirements for Permanently Connected Equipment say a switch or circuit breaker shall be included in the building installation it shall be in close proximity to the equipment and within easy reach of the operator it shall be marked as the disconnecting device for the equipment NOTE a single switch or circuit breaker can drive more than one instrument 9 When a neutral line is present please connect it to the 10 terminal Page 10 conv xE5 p65 10 29 10 98 9 05 4 4 MODE A RS 232C RS 422A WIRING GUIDE LINES RS 232C Signal Ground Transm Data Sig Ground Receive Data 25 pin connector for IBM XT PS 2 or interface type RIC 8 ports with Molded D
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