DMS285 - Driver of Protocol for DURAG DMS 285
Contents
1. v parity parity parameter Meaning determines parity Default value e Parameter parity parameter default value n no parity bit o odd parity check e even parity check m mark S space v stop bits number Meaning determines number of stop bits Default value Parameter number admissable values are 1 and 2 Vy word number word_length number Meaning word length Default value 8 Parameter number allowed values are from 5 to 8 v time out number timeout number Meaning waiting time for answer from DMS285A Default value 10 Parameter number number in seconds lV Bad Data Classes class1 class2 classN Meaning parameter determines numbers of classes which cause invalidity of data 44 5K n and 44 5M n The class number is taken up from the variable 44 1 n Klassenangabe der Konz Default value lack class value has no influence on the validity of read data Parameter class1 class2 classN numbers of classes 4 August 2005 ASKOM Gliwice asix4 DMS285 Driver of Protocol for DURAG DMS 285 v Bad Data Status statusl status2 statusN Meaning parameter determines values of the variable 43 3 n Zustand des Kanals Channel state for which values of variables 43 7K n 43 7M n 43 9K n 43 9M n 43 10K n and 43 10M n are assumed as invalid Default value lack value of the variable 43 3 n has no inf2. g z E olololololololo 315 ol lo lol Ig GIG xxx eel es gt I gt gt gt gt AyAyAyAyayayayaA H JS a 9 4 fez fes S 5 onl ional om ololo s S S gt gt gt m z A33 12 August 2005 ASKOM Gliwice asix4 DMS285 Driver of Protocol for DURAG DMS 285 Table 3 List of All the Variable Types Supported by DMS285 Driver continuation Aktueller Stand der amana ae es y C ASKOM Gliwice August 2005 13 DMS285 Driver of Protocol for DURAG DMS 285 asix4 BYTE FLOAT LOAT FLOAT 44 12M n 44 16M n 4421 1 44 21 4 44 105K n FLOAT 44 105M n FLOAT See Sea ui rj Table 4 List of All the Variable Types Supported by DMS285 Driver continuation 14 August 2005 ASKOM Gliwice asix4 DMS285 Driver of Protocol for DURAG DMS 285 Table 5 List of All the Variable Types Supported by DMS285 Driver continuation Klasseninhalte beim It Tageswechsel in Binar Pp 47 21 n 47 22 n 47 23 n ASKOM Gliwice August 2005 15 DMS285 Driver of Protocol for DURAG DMS 285 asix4 Table 6 List of All the Variable Types Supported by DMS285 Driver continuation Gesamt Klassinh b It Tagesw in Binar 16 August 2005 COASKOM Gliwice asix4 List of Tables 2 List of Tables Table 1 List of All the Variable Types Supported by DMS285 Driver 11 Table 2 List of All the Va
3. KOMIN 2 Invalidity Status 5 KOMIN 4 Invalidity_Status 8 August 2005 ASKOM Gliwice asix4 DMS285 Driver of Protocol for DURAG DMS 285 In the above example the stations of names from KOMIN 1 up to KOMIN 6 are defined The stations KOMIN 1 KOMIN 2 and KOMIN 3 are connected to the COM2 port The stations KOMIN 4 and KOMIN are connected to the COM3 port The station KOMIN 6 is connected to the COMA port All the serial ports except COM3 will work with a speed of 19200 baud The COM3 port will work with a speed of 9600 baud All the stations except the stations KOMIN 2 and KOMIN 4 will use invalidity statuses 1 6 and 14 The station KOMIN 2 uses a value of 5 as an invalidity status The station KOMIN 4 does not use any invalidity status setting parameter was necessary to change the default values set in the DMS285 section 1 4 Defining the Process Variables The variable definition is based on the DMS285 protocol description The list of all the types of variables is given at the end of this chapter ii idx me channel e ENE a subfield where type defines information type e g 43 instantaneous values 44 integrals 17 parameters subtype number of given information e g 43 for instantaneous values defines actual current intensity in a given channel K P concentration flow only if the subtype contains data for both these categories idx index only for indexed variables e g cla
4. User s Manual as see and get more Z DMS285 Driver of Protocol for DURAG DMS 285 Analyzers Users Manual Doc No ENP4018 Version 29 08 2005 User s Manual asix4 ASKOM and asix are registered trademarks of ASKOM Sp ka z o o Gliwice Other brand names trademarks and registered trademarks are the property of their respective holders All rights reserved including the right of reproduction in whole or in part in any form No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording or by any information storage and retrieval system without prior written permission from the ASKOM ASKOM sp z o o shall not be liable for any damages arising out of the use of information included in the publication content Copyright 2005 ASKOM Sp z o o Gliwice ASKOM Sp z o o ul J zefa Sowi skiego 13 44 121 Gliwice AS a gt 355 tel 48 0 32 3018100 fax 48 0 32 3018101 http www askom com pl e mail office askom com pl asix4 DMS285 Driver of Protocol for DURAG DMS 285 1 DMS285 Driver of Protocol for DURAG DMS 285 Analyzers 1 1 Driver Use The DMS28 protocol driver is designed to establish the communication between an asix system computer and a DURAG D MS285 computer for emission monitoring The driver operates with devices supporting the protocol of version 1 22 1 2 Dec
5. e is established on the ground of previously received packet of the type 43 variable 43 1 and time of its reading The time defined by the variable 44 20 1s assigned to the variables 44 1 44 5K n and 44 5M n The time of the variables of the packet 48 1s rounded down to the hour 00 00 The variables of the packet 48 arriving at 00 00 2 min are treated as invalid The variables 44 105M n and 44 105K n have always the time 00 00 1 6 Historical Data For the variables 44 5K and 44 5M it is possible to read historical data 1 7 List of All the Variable Types Supported by DMS285 Driver See the following tables 10 August 2005 ASKOM Gliwice asix4 DMS285 Driver of Protocol for DURAG DMS 285 Table 1 List of All the Variable Types Supported by DMS285 Driver nord t ee pe KA 7 ee pe poo eoe s WORD WORD WORD WORD FLOAT FLOAT FLOAT FLOAT FLOAT FLOAT E ns 2 IEEE 22 AME Us ee _ C j O PU i c signifies the channel number 1 32 n signifies the size number schadstoff 1 15 ASKOM Gliwice August 2005 11 DMS285 Driver of Protocol for DURAG DMS 285 asix4 Table 2 List of All the Variable Types Supported by DMS285 Driver continuation Station Parametrieren Fehlerzustand x fehlt pee a 2 a ORD ORD ORD ORD ORD ey 55 ie LOAT LOAT ORD LOAT LOAT LOAT YTE FLOAT 6 ES FS esd md on fond esd fod oad E EE leg X e
6. econds If a smaller value is given then 10 seconds will be assumed Default value no time synchronization Parameter 6 August 2005 ASKOM Gliwice asix4 DMS285 Driver of Protocol for DURAG DMS 285 number number in seconds v Max auto sync number MaxAutoSync number Meaning Default value Parameter number determines the maximal value between the asix system time and the DMS285 station time after exceeding of which the driver will not synchronise the station time even if this difference exceeds the value determined by the AutoSync parameter 6800 number in seconds v Log file name Meaning Default value parameter determines a file name to which additional diagnostic information will be written Parameter may be placed only in DMS285 n and DMS285 sections lack Vy Time_limiter number Meaning Default value Parameter number determines the maximal deviation of data time in hours in relation to the current system time whose exceeding causes a data is found invalid The time of a data read from DURAG computer must be contained in the time interval current time deviation so that it might be found valid If the parameter has a value of 0 then data time is not checked 24 number in hours vy Alarm_Code alarm_number Meaning Default value Parameter Alarm_number parameter determines the number of alarm generated by
7. laration of Transmission Channel A logical channel is a logical connection of a computer and the DMS285 station The logical channel is defined with use of an appropriate record in the ASMEN section The full syntax of the item declaring the transmission channel working according to the DMS285 protocol is given below logical nameZDMS285 COMn where COMn number of the serial port to which the network of DMS285 controllers is connected 1 3 Driver Configuration Each defined channel may have its own section the name of which is the logical name of the channel The given COMn port may also have its own section named DMS285 n The values defined in such section become default ones for particular stations The default values for particular serial ports are retrieved from the section named DMS285 Parameters of transmission via a serial interface can t be placed in the sections concerning particular stations ie they may be placed only in the DMS285 and DMS285 n sections v name station name Meaning name of the DMS285 station Default value by default a logical channel name is assumed as a station name Parameter Station name name is completed with spaces to the length of 8 characters v baud number bps number Meaning determines transmission speed Default value 9600 Parameter number number in Bd ASKOM Gliwice August 2005 3 DMS285 Driver of Protocol for DURAG DMS 285 asix4
8. luence on validity of read data Parameter statusl status2 statusN values of the variable 43 3 n Zustand des Kanals v Bad Data Classes2 class1 class2 classN Meaning parameter determines numbers of classes invalidity of data 44 5K n and 44 5M n while calculating 48 hour averages The class number is taken up from the variable 44 1 n Klassenangabe der Konz Default value lack class value has no influence on the validity of read data Parameter class1 class2 classN numbers of classes v Minimal Measurements number Meaning minimal number of measurements required for calculation of a 48 hour average Default value lack Parameter number number of measurements v Archive_type number Meaning parameter was deleted in version 1 12 Default value B Parameter number symbol of archive type v Max_Time_Difference number Meaning determines the maximal difference in seconds between the asix system time and DMS295 station time after exceeding of which warnings will be output to Control Panel Station time is read only during reading of 43 and 50 type variables Default value 60 Parameter number number in seconds ASKOM Gliwice August 2005 5 DMS285 Driver of Protocol for DURAG DMS 285 asix4 vy Var_44_1_n variable_name channel_number Meaning name of the variable 44 1 n and archive type which is saved in the archive and used si
9. multaneously for calculation of 48 hour average 44 105K n After the variable name the archive type should be given after a comma n signifies the channel number Default value lack Parameter variable_name determines the name of 44 1 n variable n signifies the channel number channel number number of the channel EXAMPLE Var 44 1 3 K3 H KLAS Pyl M NOTE While configuring the variable for ASPAD the option DO NOT PACK should be absolutely given v Var 44 5K n variable name channel number Meaning name of the variable 44 5K n and archive type which is saved in the archive and used simultaneously for calculation of 48 hours average 44 105K n After the variable name the archive type should be given after a comma n signifies the channel number Default value lack Parameter variable name determines the name of 44 5K n variable n signifies the channel number channel number number of the channel EXAMPLE Var 44 5K 3 K3 H KONC Pyl M NOTE While configuring the variable for ASPAD the option DO NOT PACK should be absolutely given v Auto sync number Autosync number Meaning determines the maximal difference between the asix system time and the DMS285 station time after exceeding of which the driver will set the station time on the asix system time Time synchronization occurs only during data reading from the station The minimal value of this parameter equals to 10 s
10. riable Types Supported by DMS285 Driver continuation 12 Table 3 List of All the Variable Types Supported by DMS285 Driver continuation 13 Table 4 List of All the Variable Types Supported by DMS285 Driver continuation 14 Table 5 List of All the Variable Types Supported by DMS285 Driver continuation 15 Table 6 List of All the Variable Types Supported by DMS285 Driver continuation 16 ASKOM Gliwice August 2005 17 List of Tables asix4 18 August 2005 ASKOM Gliwice asix4 Table of Contents 1 2 DMS285 DRIVER OF PROTOCOL FOR DURAG DMS 285 ANALYZERS 1 1 DRIVER USE 1 2 DECLARATION OF TRANSMISSION CHANNEL 1 3 DRIVER CONFIGURATION 1 4 DEFINING THE PROCESS VARIABLES 1 5 TIME OF DATA 1 6 HISTORICAL DATA 1 7 LIST OF ALL THE VARIABLE TYPES SUPPORTED BY DMS285 DRIVER LIST OF TABLES ASKOM Gliwice August 2005 19
11. ssification index is a number gt 1 channel channel number a channel number may be given only for the values related to the channel in case of general information it should be omitted Mxx bit mask xx is a number in hexadecimal code on the datum received from the station the AND operation with the number xx is executed subfield subfield name for data representing time the following subfields are defined SEC MIN HOUR DAY MONTH YEAR DWORD type TIME DATE DATETIME TEXT type In order to display values TIME DATE DATETIME the object STRING may be applied The function NOTHING_TEXT must be use as the conversion function The length of displayed string is given as the counter of elements EXAMPLE An example of variable declaration ACT TIME actual date and time of the station 43 1 DATETIME 1 CHANNEL DMS285 20 30 NOTHING_TEXT ASKOM Gliwice August 2005 9 DMS285 Driver of Protocol for DURAG DMS 285 asix4 Format of date and time dd mm rrrr gg mm ss EXAMPLE 43 11 1 actual instantaneous value for the analog channel 1 43 1 DAY actual time of the station month day number 43 7K 1 actual concentration for the channel 1 43 2 2 digital inputs 16 23 1 5 Time of Data The data are transferred by the driver to the asix system together with the time of their reception time of the DMS285 station In case of other types than the type 43 which does NOT contain actual time the tim
12. the driver in case of loss and re establishing the connection with the station The value of 1 default causes that the alarms are not generated In case of connection loss one of the following number specifying the reason for the dropped connection is relayed with the alarm code 0 complete lack of any answer from the station 1 timeout 2 errors of lines errors of border parity overrun 3 errors of checksum 4 other errors This number determines the status of the end of last attempt made to establish a connection lack alarm number ASKOM Gliwice August 2005 7 DMS285 Driver of Protocol for DURAG DMS 285 asix4 v Max history number Meaning determines a time period counted from the current moment backwards for which historical data stored in the station memory will be read Default value 20 Parameter number number in days Examples of Driver Configuration EXAMPLE 1 ASMEN KOMIN 2 DMS285 COM2 DMS285 2 baud 19200 In the above example a station named KOMIN 2 is connected to the COM2 port The transmission speed of 19200 bps will be used EXAMPLE 2 ASMEN KOMIN 1 DMS285 COM2 KOMIN 2 DMS285 COM2 KOMIN 3 DMS285 COM2 KOMIN 4 DMS285 COM3 KOMIN 5 DMS285 COM3 KOMIN 6 DMS285 COM4 DMS285 Default values for all stations speed 19200 Invalidity Status 1 6 14 DMS285 3 Default values for stations connected to the COM3 port speed 9600
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