User manual RS-422 to 1-WIRE Converter ADA-401W - CEL-MAR
Contents
1. Terminal amp Terminal Cover Cover without inlets screw terminal block 1 Cover with inlets screw terminal block Cover without inlets plug in screw terminal block 3 6 SPECIFICATION Transition Parameters Interface RSA RE n Connector screw terminal wire max 2 5mm screw terminal wire max 2 5mm Line length 1200m up to 400m for ds18b20 sensors i i A 100 Twisted cable 2 pair UTP Nx2x0 5 Twisted cable 1 pair or 2 pair UTP Transmission line 24AWG shield inside large Nx2x0 5 24AWG shield inside large interferences STP Nx2x0 5 24AWG interferences STP Nx2x0 5 24AWG i standard 0 do 16 3 kbps Maximum baud rate 9 6 19 2 57 6 115 2 overdrive 0 do 142 kbps Transmission type 1 WIRE half duplex sending and receiving on the same wire Standards 1 WIRE TTL signal EIA 422 CCITT V 11 e PWR green LED power supply Optical signaling e RX red LED data receiving through 1 WIRE interface e TX yellow LED data transmission through 1 WIRE interface Nominal Operating Conditions Power Cable Recommended length of power cable up to 3m 3W Protection from reverse power polarization YES Galvanic Isolation 1kV DC or 3kV DC between power circuit and RS422 signal line Optoisolation 3kV between signal line 1 WIRE and RS 422 ADA 401W CEL MAR Zaktad Informatyki i Elektroniki Operating temperature 0 23 50 C 5 95 non condensing Rail mounting according to DI2. ADA 401W CEL MAR Zak ad Informatyki i Elektroniki User manual ADA 401W RS 422 to 1 WIRE Converter Copyright 2001 2014 CEL MAR sp j 1 lo ada 401w en v3 14 ADA 401W CEL MAR Zaktad Informatyki i Elektroniki Contents 1 GENERAL INEORMATI gO re 3 11 4 AKE ANTED INFORMA ON a Zad MAJ ZG R di A nner ee a 3 1 2 GENERAL CONDITIONS FOR SAFE USE wn ccc ccccc ccc ccccccccccccccccccccccucccuccucacceuaueuucueaeuuecuuauaueueunecuuausuenesuuaeuneauuausueceeuuaueeusuenennnnnnns 3 1 3 CE N iN 1 l 3 1 4 ENVIRONMENTAL PRESERYAMON kri kitiwa sti at alor tb a atanta e ak il l an bebe a a e a a e e ak a e n l a A l laa 3 1 5 SERVICE AND MAINTENANCE 2 cc cccccccccccccsccccaccscacccceceaceauacucuacuscecnananuacuaeuauaceauanunuanuscaauanenuauuaeuauacaauanuauscudeaanananuanscenusceccenes 3 2 PRODUCT INFORMATION RER 3 Fee ee gece ace woe va aa ceca rc ae AE eee ees tala neces ee a dala dca E ai nes sn kode sates AO A a nee ese G ka AWA e a ef se ton 3 A ag ES lt 23 0G 1 eee nee ee t dsi Dat ft EEEE 4 2 SAPRELCAMON ft cares ate a it R af os A ee a a ec NE RE ak AW se a n JAA a ee e e n da dea a n a ok a a to ko de 4 2 4 EPROM MEMORY PROGRAMMING Let ttteeeeeeeeeeeeeeeeeeeee eee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesuoeeceaeeseoseeeoseoeeoeaseseoseeeooueoaeenosenaeenoenn 4 2 5 CONVERSION OF 1 WIRE TO RS 422 STANDARDS cccccccccccccccecccccccccacceucaceuuauanuatecuanuauuauananuanuauanuananuanecuatu
3. 3 3 1 CONNECTION 1 WIRE SENSORS Way to link temperature sensor to ADA 401W converter is shown on figure below ADA 401W RS422 1 WIRE Connector Connector Tx 1 W Rx 1 WIRE 3W Bus Power Supply DS18B20 Sensor DS18B20 Sensor DS18B20 Sensor Fig 5 Sensor connection to ADA 401W converter by 3 wire 1 WIRE Bus ADA 401W 1 WIRE 2W Bus 10 30VDC 3W Power Supply DS18B20 Sensor DS18B20 Sensor DS18B20 Sensor Fig 6 Sensor connection to ADA 401W converter by 2 wire 1 WIRE Bus 3 3 2 LIMITATIONS OF 1 WIRE BUS The maximum length of 1 wire bus as layouts producer can be even 400m and the maximum number of sensors can be 500 However when building the bus remember that each sensor is a shortening of 0 5 meters and 100 meters of cable causes additional capacity load data line 5nF increasing signal distortion 1 WIRE bus length and number of sensors will be less and will depend on used cables topology connection quality implementation of connections interference from external electromagnetic fields RECOMMENDS application of twisted cables UTP 4x2x0 5 powered converter with an individual power supply with good parameters eg DR 15 24 linear topology of 1 WIRE bus sensors in a star topology can be converted to linear topology by using Passive 1 WIRE Bus Splitter ADA DNB400 finishing 1 WIRE bus by sensor connecting unused wires and screen cable to rail PE of
4. Module is delivered with User Manual resistors Rt 120Q 2 pcs 2 1 PROPERTIES RS 422 conversion to 1 WIRE Converted signals RX TX Possibility of operating on MicroLAN bus Possibility of programming EPROM memory on the 1 WIRE bus version device 2 x x Baud rate of RS 422 bus kbit sec 9 6 19 2 57 6 115 2 Standard baud rate of 1 WIRE bus up to 16 3 kbps Overdrive baud rate of 1 WIRE bus up to 142 kbps External power supply 10 30 VDC stable with power min 3W 1kV or 3kV galvanic isolation between RS 422 interface and power supply 3kV optoisolation in signal channel between RS 422 and 1 WIRE interface Casing compatible with DIN 43880 standard mounting in typical electro installation unit Casing adapt to rail mounting according to Dinas EN 50022 standard Casing dimensions W x H x L 53mm x 90mm x 58mm Connection RS 422 interface via screw terminal block Connecting 1 WIRE bus and power supply via screw terminal block Implemented short circuit protection and over voltage protection on RS 422 interface line Implemented protection against power supply reverse connection CEL MAR ADA 401W ww AP DOE rite Zaktad Informatyki i Elektroniki 2 2 DESCRIPTION The ADA 401W industrial converter for general use allows connection several circuits with1 Wire interface such as temperature measurement systems real time clocks EPROM A C etc to a common 1 Wire bus far away from the Master device up to
5. 1200m The transition from the 1 Wire interface to RS 422 interface on ADA 401W provides system DS2480B and level converter TTL to RS 422 This relieves the user from having to be in a quite a complicated 1 Wire protocol The using of an additional converter RS 422 to RS 232 eg ADA 1040 allows monitoring and or control systems 1 Wire via RS 232 interface on a PC equipped with the appropriate software CEL MAR provides sample applications for the visualization of temperature measurement named L mp mittari by Timo Sara aho The program works with systems to measure temperature eg DS18S20 In the configuration settings of Lampomittariin the section MicroLAN use the symbol DS9097U adapter ADA 401W is equipped with screw terminal block for twisted connections of 1 Wire bus and RS 422 and for power supply Over voltage protection on each RS 422 line was made on base over voltage LEDs and fuses ADA 401W is designed for power from an external DC voltage source whose value should be in the range of 10V to 30V and it was supplied from the AC power 3W min It also has built in protection against reverse polarity power supply Y A A 5 RS422 ADA 401W RS 422 to 1 WIRE CONVERTER 090 CE A Vv A 5 a 53mm k p 58mm Fig 1 ADA 401W view 2 3 APPLICATION ADA 401W converter can be used in all kind of local systems based on MicroLAN networks such as the registration of the temperature
6. electrical installation en CEL MAR Zaktad Informatyki i Elektroniki 3 4 POWER SUPPLY The power supply to ADA 40WA should be DC regulated from the scope 10 V to 30V and nominal power more then 3W eg DR 15 25 or ZS 12 500 The power cable from DC power supplies to the device must not be longer than 3m Observe the polarity connect positive of DC power supplies to V and negative end to V terminal 4 STARTUP Converter can be powered after proper connection according to steps above If connection was made properly green LED PWR on front panel of converter should light if not check correctness of power connection ADA401W has the protection against power supply reverse connection During correctness data transition via the converter the LEDs Tx and Rx should blinking 4 1 SIGNALING LEDS PWR Signalling of Power Supply Signalling of data transmitting through 1 WIRE interface Signalling of data receiving from 1 WIRE 1 WIRE interface ATTENTION At baud rate above 19200 bps the LED s Tx Rx will light weakly during data transmission 5 VERSIONS ADA 401W Electronic versions Without possibility of programming 1 WIRE interface 1 With possibility of programming 1 WIRE interface 2 SE A Order example SAARE ERO Product Symbol ADA 401W 1 2 3 1kV 2 1 without possibility of programming 1 WIRE interface 3kV 3 2 galvanic isolation 1kV 3 cover without inlets plug in screw terminal block
7. the monitored access steering the functioning of air conditionings of both the heating the remote control and the supervision in alarm fire systems and the like much moved away from monitoring center A market of alarm systems is one of most quickly developing at present markets which MicroLAN is being used among others for linking in of sensors with the alarm head office where in place a few or of a dozen or so wires will only be enough 3 In such applying does MicroLAN prevent the possibility of cheating through clenching or incising the line and at the same time provides with the alarm system easiness of the automatic configuration and the reconfiguration of the alarm system during the work Much also leading test procedures which disabled elements of the system are helping to eliminate is simpler than in standard solutions 2 4 EPROM MEMORY PROGRAMMING ADA 401W converter in version 2 x x allows to programming EPROM memory added to MicroLAN network It is done by the use of micro switch on the front panel By setting the micro switch to PROG position to the bus should be added programmable circuit and make the programming If on the bus are circuits which do not require programming the micro switch sould be set to NORMAL position er CEL MAR Zaktad Informatyki i Elektroniki 2 5 CONVERSION OF 1 WIRE TO RS 422 STANDARDS Because of the fairly complex 1 WIRE protocol ADA 401W converter is equipped with DS2480B circuit which make eas
8. N35 standard TS35 Resistance to disruptions according to the standard PN EN 55024 Emission of disruptions according to the standard PN EN 55022 According to the PN EN60950 norm Commercial and light industrial noe Storage temperature 40 70 Humidity 5 95 non condensing Dear Customer Thank you for purchasing CEL MAR Company products We hope that this user manual helped connect and start up the ADA 401W converter We also wish to inform you that we are a manufacturer of the widest selections of data communications products in the world such as data transmission converters with interface RS232 RS485 RS422 USB Current Loop Fibre Optic Converters and Ethernet or Wi Fi Please contact us to tell how you like our products and how we can satisfy you present and future expectation We POCO 48 41 362 12 46 CEL MAR sp j LECT O 48 41 361 07 70 Zak ad Informatyki i Elektroniki MA Ez wdc Pi saye kipa e e ie ie ECA http www cel mar pl en str Sciegiennego 219C D et ea kes ar a ank ok n a lt office cel mar pl 25 116 Kielce POLAND Sales department handlo cel mar pl Technical information support cel mar pl
9. cnuaesnacuanuuauenunes 5 OO ENA NOUN ker l ee a et e de e cece e et apc ac teers cee os a n nsec vi sc AA etd E a kaa ses ce a e AE a a e a n a a e kn a EET 5 3 DN os WP NENON 5 3 1 COC W 1A CNN 5 JIZA GONNEC TON FOUT zona E EE lt ta aa a E A E O APE dE L D AT EWA Eni ARE 5 3 2 1 LINE TERMINATION c ccccccccccccccccccccucccccccuccceuuuaucuececuucueaucuuausuuaecausuuausueecuuceunuauuausueaecuuaueuusuuausuuusuvantausuececuvansunantnnnneners 6 3 3 CONNECTION TO 1 WIRE NETWORK 0 ccccececcsceacccuscecusceccecuacccuacecuscencacuacacusteccenaacacuaceauucanceneacuauscacuscancauuaaucuacecceneacacuacsueas 6 3 3 1 CONNECTION 1 WIRE SENSORS ni ann nn n n nt at GEO kk e ak kn Era a ak kk ke ko DO AAA a 6 533 2 LIMIIAMORSOOPFTNIREZBUS zzz aa kil a dv a ka ai dy ke ve ak ka ka AKC v ko ERA D kman ke pie of kaka 6 W POUN ER OUE EN zeza ia aa ia tt ina A A E a ei eee Od A a EA ea n fe ee fa n a a en Oe t e n At n 7 U ES a ii a eee EA EETA eS af EE kane e ee ra e e n EN A n be a ae p ae Ane tak kaa 7 At GMNAB NO LE e e ri tait to kaa ed a n a a e a e e E ete ns a e a e a e e a n t e A E EE E kaka a ki e ve E EE 7 spa ME A yl e a E rch kt fi a a ens ee ka a a a za eats atta a EEA E EA ANE e a e kn e a ea te e a 7 sko zd m Olm VELON 7 en CEL MAR Zaktad Informatyki i Elektroniki 1 GENERAL INFORMATION Thank you for your purchase of CEL MAR Company product This product has been completely tested and is covered b
10. he wet surface Do not connect devices for nondescript powering sources Do not damage or crush powering wires Do not make connection with wet hands Do not adapt open or make holes in casings of the device Do not immerse device in water or no other liquid Do not put the fire opened on device sources candles an oil lamps and the like Complete disable from the supply network is only after disconnecting the power supply circuit voltage Do not carry out the assembly or disassembly of the device if it is enabled This may result to short circuit and damage the device 1 3 CE LABEL CE symbol on organizing the company CEL MAR a conformity of the device to the directive of the electromagnetic EMC 89 336 EWG compatibility means Electromagnetic Compatibility Directive The declaration of the agreement is accessible through the contact with the technical service at the address e mail supportQcel mar pl or on the phone at the 48 41 362 12 46 1 4 ENVIRONMENTAL PRESERVATION This sign on the device inform about putting expended device with other waste materials Device should send to the recycling In accordance with the act about the Electronic Appliance Expended from day 29 of July 2005 1 5 SERVICE AND MAINTENANCE The ADA 401W converter does not require the servicing and maintenance Technical support is available at number 48 41 362 12 46 in 8 00 16 00 from Monday to Friday or e mail supportQcel mar pl 2 PRODUCT INFORMATION
11. r should mount device on the rail upper part of the case then press bottom part to to hearing characteristic Click sound 3 2 CONNECTION TO PC ADA 401W can be connected to RS232 port or USB of PC by the use of additional converter eg RS232 to RS485 422 ADA 1040 or USB to RS485 422 ADA 19140 The connection is made via RS422 bus as on the figure bellow PC ADA I1040 ADA 401W RS232 RS232 connector Connector RS485 RS422 RS485 4W DB 9M DTE DB 9F DCE connector 9600Bd 8 N 1 _Tx 2 a TWA 3 SH Rx Rt G Fig 3 4 wire connection of ADA 401W to PC by the use of RS232 to RS485 RS422 converter ADA 11040 z x gt PC ADA I9140 ADA 401W connector connector connector 9600Bd 8 N 1 connector connector USB Fig 4 4 wire connection of ADA 401W to PC by the use of USB to RS485 RS422 converter ADA I9140 ADA 401W CEL MAR Zaktad Informatyki i Elektroniki 3 2 1 LINE TERMINATION The application of Line Termination terminator Rt 120 Q ohms will reduce electrical reflection in data line at high baud rate It is not needed below 9600Bd The Line Termination resistor should be used if the distance is over 1000m 9600Bd or 700m 19200Bd transmission the resistor can be necessary if there are problems with the transmission correctness Example connection of Rt to screw terminal block of RS422 interface ADA 401W are shown on Fig 3 amp 4 3 3 CONNECTION TO 1 WIRE NETWORK
12. y a two year warranty on parts and operation from date of sale If any questions or problems arise during installation or use of this product please do not hesitate to contact Technical Support at 48 41 362 12 46 or e mail supportQcel mar pl 1 1 WARRANTED INFORMATION CEL MAR Company gives the indefinite guarantee on the ADA 401W converter The warranty does not cover damage caused from improper use materials consumption or any unauthorized changes If the product does not function accordance with the instructions will be repaired All warranty and no warranty repairs must be returned with paid transport and insuring to the CEL MAR Company CEL MAR Company under no circumstances won t be responsible for ensuing damage from improper using the product or as a result of random causes the lightning discharge the flood the fire and the like CEL MAR Company is not be held responsible for damages and loss including loss of profits loss of data pecuniary losses ensuing from using or the impossibility of using this product In specific cases CEL MAR Company discontinue all warranties and in particular do not follow the user manual and do not accept terms of warranty by the user 1 2 GENERAL CONDITIONS FOR SAFE USE The device should be installed in a safe and stable places eg electroinstallation cabinet the powering cable should be arranged so as not to be exposed to trampling attaching or pulling out of the circuit Do not put device on t
13. y access to 1 WIRE from a serial RS 422 bus Communication with device connected to 1 WIRE is sending receiving the appropriate command via RS422 interface Additional description all commands and communication are described in technical documentation DS2480B circuit available on manufacturer web page http www maxim ic com quick_view2 cfm qv_pk 2923 or CEL MAR 2 6 ISOLATION Converter ADA 401W has 2 way 1kV or 3kV galvanic isolation depend on version described in section VERSIONS 2 WAY ISOLATION RS422 1 WIRE 1 POWER SUPPLY 10 30VDC Fig 2 Isolation diagram 3 INSTALLATION This chapter will show how to connect ADA 401W to PC 422 bus 1 WIRE line and power supply and how to use it To reduce disturbance from environment it is recommended to use multipair type shielded cables which shield can be connected to the earthing on one end of the cable use the suitable diameter cable for power supply on account of voltage drop use the powering cable with a suitable section because of the voltage drops use the interference eliminators for powering the converter lay signal cables at a distance of not less than 25 cm away from power cables not powering the converters form the power circuit of devices generate large impulse disturbance like contactors relays inverters 3 1 ASSEMBLING ADA 401W converter case is adapted to assembly on TS 35 DIN35 rail To install converte
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