Dinplayer F03-F04 Manual - InOut Communication Systems
Contents
1. Value 0 171 2 3 4 5 6 7 8 9 10 11 12 1314 15 16 17 18 19 20 eve OFF 55 35 28 23 20 17 14 12 10 8 6 4 2 0 42 44 46 8 10 12 eg dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB Value 0 1 2 3 4 5 6 7 8 9 10 19 LLOU loudness level eee See eee 20 Level 0 dB 0 5 dB 1 dB 1 5 dB 2 dB 2 5 dB 3 dB 4 dB 5 dB 6 dB 7 dB 16 dB 17 dB LTRE high tones level T Value 01 234 51 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 L I 12 10 8 7 6 5 4 3 2 1 O 1 2 3 4 4 5 6 7 8 10 12 evel JB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB Value 01 2 3 41 5 6 78 9 10 11 12 13 14 15 16 17 18 19 20 L p712 10 8 7 6 5 4 3 2 1 O 1 2 3 4 5 6 7 8 10 12 evel JB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB Pag 9 User manual DINplayer v 2 4 7 Serial port communication parameters The parameters of the RS485 serial port length of t2. Do not put anything into the openings of the device in order not to run the risk of fire or shock due to short circuiting of the inside components Disconnect the device from the power source before cleaning Clean the device using a dry and soft cloth Do not use liquids or sprays which could contain flammable substances Before connecting the device to the power source make sure that the voltage provided is the one required Pag 5 User manual DINplayer v 2 3 Connections 3 1 DINplayer terminals 1 COM INPUT 2 12 40Vde 3 GND 4 OUT Vplay 5 SPK 6 SPK TENC 8 N C 9 TERM 1 10 TERM 2 11 SD A 12 SD B DINplayer mod F04 amplified The following connections are available on the terminals e Power supply 12 40Vdc and GND e Loudspeaker SPK and SPK e Enabled termination resistor Term1 and Term2 e Serial RS485 connection SD A SD B e Play stop output status 3 2 Power supply 1 COM INPUT 2 12 40Vde 3 GND 4 OUT Vplay 5 OUT BFL 6 OUT BFR TENC 8 N C 9 TERM 1 10 TERM 2 11 SD A Sele ark B DINplayer mod F03 preamplified stereo The following connections are available on the terminals e Power supply 12 40Vdc and GND e Audio output OUT BF L and OUTBF R e Enabled termination resistor Term1 and Term2 e Serial RS485 connection SD A SD B e Play stop output status DINplay
3. 7 13 7 14 7 15 7 16 7 17 7 18 RS485 communication Framing error on master NAK reply by DINplayer Transmitting a command by master How to read the figures of the dedicated protocols When the Master delivers a command to DINplayer Basic format of the dedicated protocols Basic set up of the data transmission Control codes Address ADD Command CMD CheckSum CHK Basic protocol Basic protocol with CheckSum Basic protocol with CR and LF Basic protocol with CheckSum CR and LF List of commands Error codes Specifications 8 1 8 2 8 3 Technical features Maintenance and conservation Disposal Pag 3 User manual DINplayer v 2 1 Introduction 1 1 What is DINplayer DINplayer is a device which can reproduce audio messages recorded on a MultiMedia Card solid state memory after a specific request Command from the master station usually a PLC or a computer 1 2 What is Mp3 Mp3 is an acronym for Mpeg 1 layer 3 This is an audio compression standard which eliminates sounds which the human ear cannot hear via a psycho acoustic algorithm The purpose of this compression is to reduce the space taken up by an audio file while still ensuring excellent quality The greater the compression the less the audio quality The right compromise which guarantees a quality comparable to that of a Compact Disc is 128 Kbps thousands of bits per second which represents the most widely used manner and reduces the siz
4. DATA into a number It could contain 11H characters which are outside the representation of a hexadecimal value The permitted values are a P A F 0 29 Failure to convert the CheckSum CHk It could contain characters which are 12H outside the representation of a hexadecimal value The permitted values are a P A P 0 29 13H CheckSum wrong 14H Reserved error 20H Wrong value in the parameter of the command SET_Volume It could be more than the maximum permitted value 2H Wrong value in the parameter of the command SET_Treble It could be more than the maximum permitted value 22H Wrong value in the parameter of the command SET_Bass It could be more than the maximum permitted value 23H Wrong value in the parameter of the command SET Loudness It could be more than the maximum permitted value 30H The command PLAY cannot be processed because the flash memory is missing The command PLAY excluding PLAY File 2 cannot be processed because 31H DINplayer is already playing To solve the problem first send the command STOP or else use the command PLAY_File_2 which automatically stops any file being played The file requested via the command PLAY_File or PLAY_File_2 has not been found The four characters inserted as an argument for these commands must 32H _ correspond exactly to the name of the file you intend to play except for the extension E g the command ENQ 00501234 requires
5. gt The DATA block is inserted only if provided for by command used Master DINplayer C M D Pag 19 User manual DINplayer v 2 7 14 Basic protocol with CheckSum Reading the data of the DINplayer from the master Transmission sequence Master DINplayer Command transmission from master to DINplayer Transmission sequence The DATA block is inserted only if provided for by command used Master C M D se 1 The CheckSum is introduced if the configuration parameter CMCK 1 2 The CheckSum is calculated summing all the characters marked by an asterisk Pag 20 User manual DINplayer v 2 7 15 Basic protocol with CR and LF Reading the data of the DINplayer from the master Transmission sequence gt Master DINplayer Command transmission from master to DINplayer Transmission sequence E The DATA block is inserted only if provided for by command used yo Tr DATA ozo Master DINplayer yO Tr C M D Pag 21 User manual DINplayer v 2 7 16 Basic protocol with CheckSum CR and LF Reading the data of the DINplayer from the master Transmission sequence Master DINplayer SS Command transmission from master to DINplayer Transmission sequence The DATA block is inserted only if provided for by command used Master DINplayer J30 Tr C M D 1 The CheckSu
6. only format if this is not done control characters would be inserted thereby making the file impossible for DINplayer to interpret 4 5 Storing the file in the Multimedia Card The configuration file and all the MP3 audio files can be stored in the Multimedia Card via a special USB reader writer for PCs 4 6 Audio adjustment parameters The tone volume and loudness levels can be set for the audio section The following tables show the relationship between the value set in the configuration file and the value set in the audio processor inside the DINplayer WARNING If the volume is set too low or is at zero the speaker will not emit any signal this might make one think the DINplayer is faulty Mnemonic Description LMP3 MP3 decoder output level value from 0 to 20 in decimals LOUT General audio output level value from 0 to 20 in decimals LLOU Loudness level value from 0 to 20 in decimals LTRE High tones level value from 0 to 20 in decimals LBAS Low tones level value from 0 to 20 in decimals LMP3 MP3 decoder output level Value 0 1 2341 51 16 7 89 10 1112 13 14 15 16 17 18 19 20 Level OFF 2 5 9 14 20 26 33 40 487 56 6676 77 6 88 100 112 128 144 161 178 200 evel 0dB 6dB LOUT general output level eee eee
7. User Manual mod F03 F04 e DINplayer User manual DINplayer v 2 Warranty DINplayer has a 24 month warranty on the electronic parts running from the date of purchase The warranty will not be valid in case of tampering with the device or in case personnel not authorised by the manufacturer or by the authorised dealer should carry out work on it N B responsibility of the purchaser in case of operation under warranty the device must be packaged so as to prevent damage during transport and shipped to the manufacturer together with all the accessories Warranty rules 1 In order to exercise his warranty rights the purchaser must enclose with the device a copy of evidence of purchase duly stamped by the dealer bill invoice The warranty lasts for 24 months for the electronic parts The warranty is granted at the point of sale or else directly requested from the manufacturer The warranty only covers damage to the product which makes it work badly Work under warranty will only mean repairing or replacing free of charge any parts acknowledged to be defective during manufacture or in their material including labour costs The warranty does not apply to damage caused by negligence or failure to comply with the instructions or damage caused by unauthorised people with a special reference to the outside parts Also the warranty does not apply to damage caused to the device by connection to un
8. a simple text file called playlist txt which contains the list of mp3 audio files to be reproduced in the sequence you want Put this file in the main directory of the memory containing the audio files this extension was used so it could be modified via a handy portable PocketPC terminal using its text editor 5 2 Preparing the Playlist file To prepare the file playlist txt you can use an ordinary text editor like Windows BlockNotes and save it as a simple text file If you use other programmes for example Word remember to save the document as TEXT ONLY otherwise control characters will be introduced which would make it impossible for DINplayer to interpret the file 5 3 File content There are a few simple rules to set the sequence rename the mp3 audio files with numbers or names of no more than 8 characters Es Es welcome news hallo morning Z IMPORTANT e Rename the MP3 audio files with numbers or names with max 8 characters e Do not write in the extension mp3 e Max 500 pieces per playlist Pag 12 User manual DINplayer v 2 6 Function keys 6 1 Setting output volume During the reproduction of the message you can set the output volume pressing the front keys of the DINplayer as follows e To raise the volume press the key for a long time e To lower the volume press the key for a long time 6 2 Manual prelistening To prelisten to the notices stored in the MMC press the front keys on
9. arity 2 even parity CMSB Number of Stop Bits 1 1 StopBit 2 2 stopBits CMDB Number of data bits 7 7 bits per datum 8 8 bits per datum CMDR Minimum delay between end of reception of the pack and delivery of the reply Value expressed in tenths of msec between 0 and 15 in decimal 0 Minimum delay of about 4msec 1 Minimum delay of 10msec 2 Minimum delay of 20msec Pag 10 User manual DINplayer v 2 Message waiting time CMDR This is the delay time of the reply message required by some computers to switch over between the state of transmission and the state of reception The awaiting time determines the minimum delay before the DINplayer sends data in reply to the message received from the Master Set this time at a value different from 0 only if the specifications of the Master demand it since the delay determines an extension of the time needed to complete the command 4 8 Parameters for managing output TADU Output deactivation advance time Advance time to output deactivation expressed in tenths of one second 0 output deactivated at the end of the audio file 1 output deactivated 1 10 second before the end of the audio file 10 output deactivated 1 second before the end of the audio file etc TADU Pag 11 User manual DINplayer v 2 5 Playlist 5 1 What is the sequence With DINplayer you can draw up a sequence or list of messages to be reproduced This reproduction list is
10. cing character or tabulation e The corresponding numerical parameter expressed in decimals is entered immediately after the separation character without any spacing character or tabulation Example LMP 3 1 LOUT 1 LLOU 1 LTRE 1 LBAS 1 TPCM 1 TADU 0 OOON A A 4 3 How DINplayer handles the file As soon as it is switched on or as soon as the MULTIMEDIA CARD memory is inserted DINplayer starts to read the main directory in the memory when it finds the config txt file it interprets the parameters that are entered in each line storing them permanently in its NON VOLATILE type internal memory the parameters therefore remain memorised even after the device has been switched off For this reason it is not indispensable that the configuration file is always in the Multimedia Card Once all the parameters from the file have been acquired the file can even be deleted NOTE if it is necessary to configure several DINplayers with the same parameters it would be possible to prepare just one Multimedia Card with the config txt file concerned insert this memory into all the modules to configure and then insert the memory with only the audio files Pag 8 4 4 Preparing the file User manual DINplayer v 2 An ordinary text editor such as Windows Notebook can be used to create the file The file must be saved as a text file If different programs are used e g Microsoft Word make sure that the document is saved in text
11. e Feed End of line code CR ODH Carriage Return NAK 15H Not AcKnowledge Beginning of pack with error code N B The codes are expressed in hexadecimal 7 10 Address ADD The address is a number that allows the system Master to establish communication with one of the various modules connected to the same serial line The value of this address is defined in DINplayer through a configuration file config txt par 9 2 AN IMPORTANT when setting the address it is necessary to be careful to not define more than one module with the same number otherwise the communication becomes confused and irregular and the data exchanged will no longer make sense The address can assume any value between 00H and 1FH The address is expressed in ASCII characters and consist of 2 characters 7 11 Command CMD This is used to define the operation to be carried out for example PLAY reading the state or setting of the volume The commands are defined in ASCII characters and consist of 2 characters In the following sections of this chapter we provide the list of commands and every detail about each command Pag 17 User manual DINplayer v 2 7 12 CheckSum CHK The CheckSum makes sure that the packs are complete and not corrupted during their transmission by any noise induced on the line The CheckSum is calculated summing the hexadecimal value of the ASCII characters contained in the data area defined for the CheckSum The tw
12. e of an uncompressed file by 10 times 1 3 Encoder Software which compresses a CD audio or wave file in MP3 There are many programmes of this kind and it is virtually impossible to say which is the best Here is an internet site where you can download freeware software suitable for various operating systems www mp3server 4t com 1 4 Decoder Software which decompresses an MP3 audio file in order to send it to a digital analog converter and reconstruct the original audio signal 1 5 Player Hardware and software system able to read MP3 audio files DINplayer is able to carry out this function 1 6 Wave High quality audio format extension wav compatible with the tracks of normal music CD s If one uses a wave file in format 44 1 KHz sec at 16 bit in stereo one will get exactly the same quality as a music CD but the size of the file is about 10Mb per minute 1 7 Audio compression in various formats The following graphic shows the space taken up by an uncompressed audio file of about 5 minutes wav and compressed in MP3 at 128Kbps MP3 Wave 51 1 MB MP3 4 6 MB Pag 4 User manual DINplayer v 2 2 Installation 2 1 Content of the DINplayer kit DINplayer device n 1 n 1 DINplayer User Manual n 1 Multimedia Card 2 2 Warnings 1 DINplayer has been designed and made to work only with a power supply between 12 and 40 Vdc The device must be serviced only by qualified personnel
13. er SD A and SD B With the RS485 connection one must supply termination resistors on both extremes of the line to avoid the generation of stationary waves and to define the impedance of the lines even in absence of transmission DINplayer already has within itself a termination resistor enabled through a bridge jumper TERM1 and TERM Pag 7 User manual DINplayer v 2 4 Configuration file 4 1 What is the configuration file DINplayer is a device which can be adapted to suit the requirements of the application for which it is being used Different applications may require adjustment to the tone loudness communication parameters or particular timings The text file called configuration file which is entered in the main directory of the Multimedia Card with the audio files permits the device s various parameters to be programmed This file must be given the name config txt this extension has been used in order to permit changes to be made through any text editor including those for Pocket PC handheld terminals 4 2 Content of the configuration file Each line of the configuration file is composed of e Mnemonic code for the parameter that is to be set It is always made up of four alphanumeric characters in CAPITALS and must always be at the beginning of the line No more than one parameter can be put in the same line e Separation character It MUST be entered immediately after the mnemonic code without any spa
14. er can work with a voltage between 12 and 40Vdc The red led of the DINplayer will light up when it is powered Remember to use a feeder which is able to deliver enough current for the power audio amplifier with a 4Q loudspeaker and a high volume DINplayer can also absorb current peaks of 2A Pag 6 User manual DINplayer v 2 3 3 Loudspeaker Connect the outside 4 8Q loudspeaker to the terminals SPK and SPK Attention Use a loudspeaker with the same or greater power than that delivered by the amplifier inside the DINplayer We suggest you wire the device far from power cables The two cables connecting the loudspeaker to the DINplayer may be a potential source of noise 3 4 Output The output of the DiNplayer is of a transistor type and is optoisolated towards the inside CPU When activated it provides on the output terminal the same feeding voltage applied on the module This voltage may be applied to the input of a PLC or else it may directly pilot the spool of an outside relay The output can provide a maximum current of 150mA and is equipped with a protection diode for inverse currents induced by the spool of any outside relay The output is activated at the time when the reproduction of an audio file starts and is maintained in this state throughout the duration of the file 3 5 Serial RS485 connection DINplayer can be connected through serial gate to a RS485 bus that can be controlled by a system master or by a comput
15. he packs parity speed etc are set via the configuration file config txt These parameters must coincide with those of the outside device with which DINplayer is to communicate AN IMPORTANT To make the modification of these parameters effective it is necessary to restart DINplayer after having introduced the flash memory with the file config txt A IMPORTANT notes for the Master system Conditions in which a transmission sequence is initialised The DINplayer transmission sequence is initialised under the following conditions e When DINplayer is turned on e When the data communication has been normally completed e When the timeout time for receiving a pack has expired The following table lists the values of the parameters needed to connect DINplayer to a Master system coordinating it protocol speed timings etc Mnemonic Description CMAD Address DINplayer in the 485 bus ADD Value between 0 and 31 in decimal IMPORTANT This address MUST be univocal two devices with the same address can not co exist on the same bus CMCK Enabling introduction of the Checksum 0 Checksum deactivated 1 Checksum activated CMCL Enabling introduction of end of pack characters CR and LF hexadecimal values OD and 0A O No CR and LF 1 Insertion of CR and LF activated CMBR Baud rate communication speed in bits per second 0 1200 bps 1 2400 bps 2 4800 bps 3 9600 bps CMPR Parity Bits O no parity 1 odd p
16. m is introduced if the configuration parameter CMCK 1 2 The CheckSum is calculated summing all the characters marked by an asterisk Pag 22 User manual DINplayer v 2 7 17 List of commands and operating fields This table provides the list with the relevant comments of all the commands managed by DINplayer Description CMD Command data Reply data abcd a State of the player S Stop STATUS request 30 None P Play b reserved c reserved d reserved STOP 31 None None PLAY First 32 None None PLAY Next 33 None None PLAY Prior 34 None None PLAY File 50 Geen CARNS None PLAY File 2 51 Name of file without extension None automatic STOP before PLAY 4 characters only SET Volume 52 Level in hexadecimal 0 14H None SET Treble 53 Level in hexadecimal 0 14H None SET Bass 54 Level in hexadecimal 0 14H None SET Loudness 55 Level in hexadecimal 0 14H None Pag 23 User manual DINplayer v 2 7 18 Error codes The following table lists all the error codes which DINplayer delivers together with the NAK pack if problems are found Code Description Failure to convert command code CMD It could contain characters which are 10H outside the representation of a hexadecimal value The permitted values are a P A F 0 29 Failure to convert the value contained in
17. med J IMPORTANT when one is using the RS485 bus only on a duplex cable remember to bear in mind or to ignore the echo of the command that is sent from the master with RS485 an echo is always present 7 5 How to read the figures of the dedicated protocols When the master reads the data from DINplayer DINplayer gt Master A C a Master HRR DINplaver a The data areas A and C indicate the transmission of data from the master to DINplayer b The data area B indicates the transmission of data from DINplayer to the master c The programme of the Master is structured so as to manage the data in the manner shown on the figure from left to right Therefore the data management sequence is A B C Example In area A the character ENQ 05x is transmitted followed by all the other data indicated as Data in the figure to the right of the character ENQ Pag 15 User manual DINplayer v 2 7 6 When the Master delivers a command to DINplayer Master gt DINplayer Master Panelplav a The data area A indicates the transmission of data from the master to DINplayer b The data area B indicates the transmission of data from DINplayer to the master c The programme of the master is structured so as to manage the data in the manner shown on the figure from left to right Therefore the data management sequence is A B Example In area A the character ENQ 05x is transmitted followed by all the other data i
18. ndicated as Data in the figure to the right of the character ENQ 7 7 Basic format of the dedicated protocols DINplayer manages up to four dedicated protocols The definition of which of these four protocols must be used by the serial connection is set in the configuration file config txt par 9 2 The difference among these four formats is due to the presence or absence of CheckSum and or of the characters CR Carriage Return character ODH and LF Line Feed character OAn 7 8 Basic set up of the data transmission Control code DINplayer address Command code Command data CheckSum CR LF control codes HAHH A N IMPORTANT the introduction of CheckSum at the end of the block of data and characters of CR LF is defined in the configuration file par 9 2 Pag 16 User manual DINplayer v 2 7 9 Control codes The control codes are characters they belong to the first 32 ASCII characters and cannot be printed out which define the kind of information contained in the pack following them The control codes used are those which appear on the following table DINplayer initialises the transmission sequence when it receives the character ENQ Mnemonic Code Description STX 02H Start TeXt Beginning of transmission of reply pack ETX 03H End Text End of reply pack ENQ 05H Bee Beginning of pack addressed to DINplayer or for ACK 06H ACKnowledge Beginning of reply pack all OK LF OAH Lin
19. o least significant characters in hexadecimal of the sum represent the CheckSum which is introduced into the two dedicated ASCII characters at the end of the pack before any CR and LF characters Note The sum of the value in decimal of the ASCII codes converted into hexadecimal must give the same result Introduction and management of the CheckSum is established by the CMCK parameter of the configuration file f CMCK 1 has been set CheckSum will be calculated automatically and added to the term of the reply pack the one beginning STX when this is delivered When a pack is received DINplayer calculates the new CheckSum and compares it with the one contained in the pack itself if it agrees DINplayer goes on to perform the command otherwise it delivers an error pack pack beginning with NAK If CMCK 0 has been set CheckSum will not be delivered in transmission and will not be compared also because it is missing in the data in the received messages The following figure shows an example of calculation of CheckSum in a command pack delivered by the master ADD CMD DATA N 0 1 0132 8C O5H 2n 31H 35H 30H 30H 31H 33H 32H 38H 43H P T T Pag 18 User manual DINplayer v 2 7 13 Basic protocol Reading the data of the DINplaver from the master Transmission sequence y EL A c N D M Master Q D D DINplayer Command transmission from master to DINplayer Transmission sequence
20. suitable power sources The warranty does not cover parts subject to wear after use or the container if the material is not defective The warranty does not include transport costs which will be paid for by the purchaser in relation to the manner and time of transport The warranty will run out after 24 months have elapsed In this case service will be provided charging for the parts replaced labour costs and transport according to the current rates 10 Any dispute will be settled exclusively before the Court of Law of Venice Pag 1 User manual DINplayer v 2 TABLE OF CONTENTS 1 Introduction 1 1 What is DINplayer 1 2 What is Mp3 1 3 Encoder 1 4 Decoder 1 5 Player 1 6 Wave 1 7 Audio compression in various formats 2 Installation 2 1 Content of the DINplayer kit 2 2 Notices 3 Connections 3 1 DINplayer terminals 3 2 Power supply 3 3 Loudspeaker 3 4 Output 3 5 Serial RS485 connection 4 Configuration file 4 1 What is the configuration file 4 2 Content of the configuration file 4 3 How DINplayer handles the file 4 4 Preparing the file 4 5 Storing the file in the Multimedia Card 4 6 Audio adjustment parameters 4 7 Serial port communication parameters 4 8 Parameters for managing output 5 Playlist 5 1 What is the playlist 5 2 Preparing the Playlist file 5 3 Content of the file 6 Function keys 6 1 Setting output volume 6 2 Manual pre listening Pag 2 User manual DINplayer v 2 RS485 serial communication
21. the DINplayer as follows M4 previous message gt play m stop gt next message Pag 13 User manual DINplayer v 2 I soria 25495 communication 7 1 RS485 communication DINplayer can be connected to an RS485 communication bus through a serial port which is controlled from a master system or by a computer Due to interference from outside the serial line one may find anomalous behaviour from part of the master system which could cause possible damage to DINplayer To avoid this mishap one must take the following precautions 1 Do not let the serial cables transit in the same conduits as power cables or cables with elevated voltage Maintain a safety distance of at least 10 cm between these cables 2 Connect serial cable screen to the ground the on one of the two sides do not connect the screen from both sides in addition the ground connection of the screen must not be made in the same point in which piloted circuits of elevated tension are connected 3 Cut the voltage of the entire system before beginning the wiring of the serial lines even dispersed or parasite currents could damage the modules DINplayer withstands serial communication in 4 different modes with the RS485 electrical standard This type of serial multipoint communication consents the connection in bus of up to 32 devices with a maximum distance of 50 metres The DINplayer devices connected to the RS485 bus can not autonomously begin communica
22. the playing of the file 1234 mp3 on DINplayer with address 00 33H Failure to play the requested file The file could be corrupt Pag 24 User manual DINplayer v 2 8 SPECIFICATIONS 8 1 Technical characteristics Power supply ssccecceceeeeenn 12 40 VDC Power requirement n a 0 11 W Protection 0 cceceeeee es internal fuse 4A delayed Extractable memory capacity Multimedia Card from 16MB to 256MB Input absorption 0 0 2 10 mA Formats supported MPEG1 layer 3 MP3 files from 64 to 160 Kbps Frequency response 20 20 000 Hz 3dB Signal noise ratio 1 gt 90d0B Harmonic distortion lt 0 1 Audio characteristics Volume control Control of separated high and low tones Loudness control Output powel eeeeeee ee max 12W THD 10 RL 4ohm Classification IP 30 based on the penetration of the liquids and powder Dimensions 2 00seeee 90x36x60mm 8 2 Maintenance and preservation See sect 2 2 8 3 Disposal To safeguard the environment the device and its accessories must be disposed of according to legal requirements in properly equipped places or as special waste If you do not know the legal requirements please contact the dealer or the manufacturer 5 YO Manufactured by out Noventa di Piave VE ITALY CE Product compliant
23. tion but they can only respond to a specific request command from the master station usually a PLC or a computer The RS485 connection parameters speed parity check sum etc are set via the configuration file config txt par 4 7 J IMPORTANT e The internal electronics of DINplayer are not galvanically insulated from the R8485 line in case of short circuit or discharge to ground it is possible to damage not only the DINplayer but even the master system to which it is connected e For the RS485 connection one must remember to ignore the transmission echo from the master that is returning through the serial line 7 2 Framing error on the master When commercial RS 485 interfaces are used on the master a Framing error may take place if nothing is being transmitted on the serial line In order to avoid this mishap it is indispensable that the system master ignores all the data until it has received one of the STX ACK or NAK characters coming from a DINplayer 7 3 NAK reply by DINplayer The reply with the character NAK is sent from DINplayer to the master when any kind of error is detected in the message received Pag 14 User manual DINplayer v 2 7 4 Transmitting a command by master When you send a command from the master to DINplayer using one of the dedicated protocols make sure you send it with a delay of at least 10mS starting from the moment the last command received by DINplayer has been completely perfor
24. with the safeguard regulations 73 23 EEC 89 336 EEC and 93 68 EEC about electromagnetic safety and compatibility Pag 25
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