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CP-SP-1154E - Azbil Corporation
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1. Role lt Description Checksum Role lt Description O Example 1 Handling Precautions The subaddress is meaningless on the MPC Be sure to set a subaddress of 00 30H 30H that has the same format as the station address Only character codes X 58H or x 78H can be set on the MPC Indicates the end of the application layer Fixed at 03H A value to be used to check whether or not a mes sage has been corrupted by an error such as noise during communication e Two hexadecimal characters e This function operates as follows 1 Add one byte each to the character codes of the message from STX to ETX 2 Calculate the two s complement of the result of this addition 3 Convert the result into character codes The instruction message on the page 4 3 is used in the following example 1 Add one byte each to the character codes from STX to ETX The lower order one byte of the calculation result is 76H 2 The result of two s complement addition is 8AH 3 Converted into character codes and use as the checksum value The result is 8A 38H and 41H See the station address example on the page 4 3 for information on character code conversion Do not omit the checksum in the instruction message Chapter 4 COMMUNICATION PROCEDURE CRand LF Carriage Return Line Feed Role Indicates the end of a message lt gt Description e CR is ODH and LF is OA
2. 1 strcpyCcommand RS 1000W 2 AppCPL command recieve printf command s n command printf result s n recieve strcpy command WS 100QW 2 AppCPL command recieve printf command s n command printf result s n recieve Close getchar return Q A mm mm mm int Open void COMMTIMEOUTS Timeouts DCB DCB handle CreateFile COM1 GENERIC READIGENERIC WRITE 0 0 OPEN EXISTING FILE ATTRIBUTE NORMAL ifC handle void Oxffffffff return 3 ifC SetupComm handle BUFFERSIZE BUFFERSIZE CloseHandle handle handle void 0xffffffff return 4 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION ifC PurgeComm handle PURGE_TXABORT PURGE_RXABORT I PURGE_TXCLEAR PURGE_RXCLEAR gt 21 CloseHandle handle gt handle void xffffffff return 5 H Timeouts ReadIntervalTimeout OxFFFFFFFF Timeouts ReadTotalTimeoutMultiplier 0 Timeouts ReadTotalTimeoutConstant 0 Timeouts WriteTotalTimeoutMultiplier 0 Timeouts WriteTotalTimeoutConstant 0 if SetCommTimeouts handle amp Timeouts CloseHandle handle handle void Oxffffffff return 6 ifC GetCommState handle amp DCB 51 CloseHandle handle handle void Oxffffffff return 7 DCB BaudRate CBR 19200 DCB fBinary 1 DCB fParity 1 DCB ByteSize 0x08 DCB Parity EVENPARITY DCB StopBits ONESTOPBIT ifC SetCommState handle amp
3. RS 232C port Host station a device etc D SUB 9 pin RS 232C RS 232C RS 485 o converter i 0 CMC10L001A000 N RS 485 3 wire system Slave station MPC etc Max 31 units The CMC10L001A000 communication controller is an RS 232C RS 485 3 wires system converter available from Azbil Corporation 1 1 Chapter 2 WIRING A CAUTION Before removing mounting or wiring the MPC be sure to turn off the power to the MPC and all connected devices Failure to do so might cause electric shock Do not disassemble the MPC Doing so might cause malfunction Wire the MPC in compliance with the predetermined standards Also wire the MPC with specified power cables according to recognized installation methods Failure to do so might cause malfunction Use the MPC within the operating ranges temperature humidity voltage vibration shock mounting direction atmosphere etc recommended in the specifiations Failure to do so might cause malfunction eoe 1 Handling Precautions For wiring information other than that of RS 485 refer to the following manu als C MPC 9500 0002 0005 0020 Panel Mount Mass Flow Controller User s Manual CP UM 5317E Ce MPC9500 0002 0005 0020 Panel Mount Mass Flow Controller User s Manual for Installation and Configuration CP SP 1153E C MLP200 Loader Package for Panel Mount Mass Flow Controller User s Ma
4. Safety Precautions The Role of This Manual Organization of This User s Manual Chapter 1 INTRODUCTION cccececcececeeeececeeeeeeees 1 1 Chapter 2 WIRING esses HH nnn 2 1 Chapter 3 SETTING E Setting method oooooococoocconcccccccccccco etse 3 1 E Setting items of communication ooooooooommo 3 1 Chapter 4 COMMUNICATION PROCEDURE 4 1 Outline of Communication Procedure and Messages 4 1 E Communication procedure eee ee 4 1 E Message configuration leen 4 1 MExamples aasanunnnnnnannnnnnnnnnennnnnnennnnnnenener 4 2 ll Data address concept oooooooooccoocconcccccccco ccoo 4 2 4 2 Data Link Layer annvunnnnnnnnnnnnnnnnnnnnnnnnnnnenenen 4 3 MDescription aauvnnnnnannnnnenennnenennnnnnnnnenenen 4 3 4 3 Application Layer owunavnnnnnvnnnnnnnnnnnnnnnnenener 4 6 E Outline cria seeds ER ER kaken 4 6 4 4 DataRead neaunnnnnunnnennnnnnnnnnnnnnnnnennnnnneneneee 4 7 li Description of read instruction ooooommmmmmm 4 7 MReadresponse araunnnvnnnnnnnnnnnnnnnnnnnnnnnnener 4 8 E Decimal numeric expression numeric data 4 9 4 5 DataWrite anunuunnunnnnnunnnnnnnnnnnennnnnennnnnenen 4 10 Bi Description of write instructiON ooooooomom 4 10 E Write response ooooooooonccooonccoconccoronssss 4 11 4 6 Termination Code Table ooooooocooocommoommmsm 4 12 E Normal and warn
5. checksum The driver of the data link layer knows purpose of the operation The load data of the application layer 4 1 Chapter 4 COMMUNICATION PROCEDURE E Examples Messages have the following structure Read instruction Instruction message Data link layer Response message Data link layer Application layer Data link layer O Write instruction Instruction message STX 0 1 0 0 X WI S fo ofiJu 5 s ex sj A CR LF Data link layer Application layer Data link layer Response message SIX 0 1 0 0 X 0 0 ETX 8 2 CR LF Data link layer Application layer Data link layer The following sections describe in detail the data link layer and ap plication layer E Data address concept The MPC uses data addresses to read and write data Data addresses allow data to be written and read to and from a corresponding ad dress for the data Data A 1001W Data B 1002W Data C 1003W gt 5 2 Communication Data Table page 5 3 Chapter 4 COMMUNICATION PROCEDURE 4 2 Data Link Layer E Description e The data link layer contains eight types of basic message transmis sion information The instruction message and response message have the same structure in the data link layer STX ETX Station address Checksum evice code ole fans iei pg 02H 30H 41H so
6. unsigned char str int len unsigned char buf i int num unsigned char ch for ch amp str ch amp str len ch num ch num C Cnum amp 0x000000FF amp 0x000000FF sprintf Cchar buf X02X num 3 ME ee bool AppCPLC char tosend char received unsigned char theMsg BUFFERSIZE unsigned char theApp BUFFERSIZE unsigned char theHdr 16 unsigned long SzToSnd unsigned long RdSz unsigned long ErrFlg bool rt int Cnt 0 unsigned char Sum 4 char etx ifC handle void xFFFFFFFF return false H ZeroMemory theMsg BUFFERSIZE sprintf Cchar theHdr Yx02Yx30Yx31Yx30Yx30Yx58 sprintf Cchar theMsg s s x03 theHdr tosend ifC CheckSum SzToSnd strlen char theMsg CPLSum theMsg SzToSnd amp theMsg SzToSnd T strcat Cchar theMsg YrYn gt SzToSnd strlen char theMsg resend WriteC theMsg SzToSnd rt Read theMsg OxFFFFFFFF amp RdSz amp ErrFlg ifC irt H if Cnt lt COMRESENDNUM goto resend ifC ErrFlg H ErrorCode ErrFlg jelsei ErrorCode 0x000f0000 return false 6 6 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION selse ifC strncmpC Cchar theMsg Cchar theHdr 6 0 51 ErrorCode 0x00020000 if Cnt lt COMRESENDNUM goto resend return false y ifC CheckSum 51 CPLSum theMsg RdSz 4 Sum ifC CtheMsg RdSz 4 Sum CEheMsg RdSz 3 Sum 1 51 Err
7. 9 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION 6 1 Precautions for Programming Pay attention to the following points when making communications programs The longest response time on the device is 2 s For this reason set the response monitor time to2s e Resend the same message if there is no response within 2 s Set a communications error to occur if there is no response even after 2 retries Be sure to make the above resends to guard against the case when the message cannot be send correctly due to the influence of noise for example during communications Note When the master station resends the message alternatively use the device ID codes X and x This is convenient as you can tell whether or not the received message is the previously received message 6 1 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION 6 2 Examples of Communication Program The program is written in Borland s C Builder5 0 or Borland C Compiler5 5 for Win dows95 98 NT 2000 This program is given here as a reference when the user makes a program and does not assure all the operations You can download Borland C Compiler5 5 from Borland Home Page E Prior to running the sample program Make sure to check the settings for communications type station ad dress transmission speed and data format of the instrument E Running the sample program This program is used for reading and writing data When the pro gram i
8. EIX 9 A CR LF Data link layer O Example Application layer Data link layer The above example shows that two data items are read from 1001 W as one message Individual data items are delimited by a comma character code 2CH e An capital letter code is used for each numeric or character in the application layer e A decimal number is used for each numeric Additional 0 s or spaces cannot be added to each data item O Example Read command RS Role Description Start data address Role Description Number of read data Role Description The underlined portion of RS 01001W 2 is not al lowed The underlined portions of RS 1001W 02 are not allowed A read command Two RS 52H 53H characters Specifies the start data address F5 2 Communication Data Table page 5 3 Be sure to append the numeric representing the data address with W 57H Specifies how many data items are read continu ously starting with the specified data address There is a limit for the number of data to read in one message gt m Number of data read write page 5 2 4 7 Chapter 4 COMMUNICATION PROCEDURE E Read response When the message in the data link layer is correct a response mes sage is sent back according to the contents of the instruction message All data in the application layer is expressed in decimal
9. address with W 57H O Write data Role Data to be written to continuous addresses starting with the specified data address lt gt Description e The range of a numeric to be written differs ac cording to each data address e Individual data are delimited by a comma 2CH The data address at which the corresponding data is written is incremented by 1 sequentially starting with the start data address see the example above The number of data item which can be written in one message is limited 7 m Number of data read write page 5 2 for details Chapter 4 COMMUNICATION PROCEDURE E Write response Role When the message in the data link layer is correct only the termination code is sent back lt Description The termination codes are classified as follows ense Croma The termination code is a 2 digit decimal m Normal response Role Returns how the write instruction message has been processed Only a normal termination code or warning termi nation code is returned Termination code 00 normal 02H 30H 31H 30H son ses 30H 30H 03 38H 32H ODH OAH STX 0 1 0 o x 0 0 en 8 2 CR LF Data link layer Application layer Data link layer O Example Normal response when all data items are correctly written O Alarm response L Termination code 3 warning no ose on oo Data link layer Application la
10. azbil Group In no event is Azbil Corporation liable to anyone for any indirect special or consequential damages as a result of using this product O 2004 2013 Azbil Corporation All Rights Reserved The uF Micro Flow Micro Flow Sensor and MPC are trademarks of Azbil Corporation Conventions Used in This Manual E To prevent injury to the operator and others and to prevent property damage the following types of safety precautions are indicated Warnings are indicated when mishandling this product might WARNING result in death or serious injury Cautions are indicated when mishandling this product might result NCAUTION in minor injury to the user or physical damage to the product E In describing the product this manual uses the icons and conventions listed below A Use caution when handling the product S The indicated action is prohibited o Be sure to follow the indicated instructions 1 Handling Precautions Handling Precautions indicate items that the user should pay attention to when handling the MPC Note Notes indicate information that might benefit the user C This indicates the item or page that the user is requested to refer to 1 2 3 The numbers with the parenthesis indicate steps in a sequence or indicate corresponding parts in an explanation gt gt Indicates the result of an operation details displayed on the personal computer or other devices or the state of
11. been processed Item Description 1 Commands RS decimal format continuous address data read WS decimal format continuous address data write RD hexadecimal format continuous address data read WD hexadecimal format continuous address data write 2 Data delimiters RS or WS command comma RD or WD command None 3 Word addresses RS or WS command Numeric value in decimal notation and W such as 1001W RD or WD command 4 digit numeric value in hexadecimal notation such as 03E9 4 1 Read count RS command Numeric value in decimal notation such as 1 RD command 4 digit numeric value in hexadecimal notation such as 0001 4 2 Write count WS command Numeric value in decimal notation such as 123 WD command 4 digit numeric value in hexadecimal notation such as 007B 4 4 Data Read Chapter 4 COMMUNICATION PROCEDURE E Description of read instruction e This instruction permits the contents of continuous data addresses starting from the specified start data address to be read in one message The application layer of a read instruction consists of the following three types of data Read command Start data address zs Read count 02H 30H 31H 30H 30H 58H 52H 53H 2CH 31H 30H 30H 31H 57H 2CH 32H 03H 39H 41H ODH OAH SIX O 1 0 0 x R S 1 0 0 1 w A 2
12. even parity 1 conditions selec stop bit tion 1 8 data bits no parity 2 stop bits Undefined 0 Undefined 0 SP limit function 0 Function disabled 1 Only high limit used 2 Only low limit used 3 High and low limits used 1 Though a normal termination code is returned after sending the write instruction message the data cannot be written 2 Neither read nor write is possible for products shipped in December 2006 or earlier 5 8 ll Parameter setup related data Display nstantaneous flowrate O K judgment range Setting range 0 5 to 100 FS L min standard RAM EEPROM Address Address nstantaneous flowrate O K judgment hysteresis nstantaneous flowrate deviation high limit alarm Instantaneous flowrate devia tion high limit alarm hysteresis 0 5 to 100 FS L min standard 0 5 to 100 96 FS L min standard 0 5 to 100 FS L min standard nstantaneous flowrate deviation low limit alarm 0 5 to 100 96 FS L min standard Instantaneous flowrate deviation low limit alarm hysteresis 0 5 to 100 96 FS L min standard Chapter 5 COMMUNICATION DATA TABLE Remarks The result be comes the flowrate L min standard obtained by mul tiplying the full scale flowrate by the percentage in parentheses The setting range vary according to the model 2 Instantaneous flowrate devia tion alarm judgment delay
13. external inputs Instantaneous SP No in use 0 SP 0 O Can not write when SP No 1 SP 1 switching is being selected by 2 SP 2 external inputs 3 SP 3 The number larger than the one being selected with SP No Address 5004 of the func tion setup can not be written Instantaneous SP value in use 0 to 100 FS The value with excluded L min standard decimal point of flow L min Instantaneous PV value standard multiplied by the 0 to 100 N percent in the full scale flow L min standard bracket Valve drive current output 0 0 to 100 0 The value with excluded decimal point 1 Alarm status bit configuration Address 1201 0 Nomal 1 Error Bit No Description Flowrate deviation low limit alarm Flowrate deviation high limit alarm Undefined normally 0 Undefined normally 0 Sensor error Input output adjustment data error Sensor calibration data error User setup data error Valve overheat prevention limit is operated oINIAIUlsk wlnN 0o 2 Event status bit configuration Address 1202 0 OFF 1 ON Event output 1 status Event output 2 status Undefined normally 0 External switch input 1 status External switch input 2 status Undefined normally 0 Undefined normally 0 Undefined normally 0 s n u sA wW IN O 3 Control status bit configuration Address 1203 Chapter 5 COMMUNICAT
14. from the end of response message receipt to the start time of next transmission E RS 485 driver control timing specifications When the transmission reception on the RS 485 3 wire system is directly controlled by the master station care should be paid to the following timing Master station Driver control Transmission line Slave station Driver control End of master station End of slave station transmission transmission 1 End of master station transmission Driver disable time 500s max 2 End of slave station reception Driver enable time 15 ms min 3 End of slave station transmission Driver disable time 10 ms max 4 End of master station reception Driver enable time 10 ms min 4 13 Chapter 4 COMMUNICATION PROCEDURE E Other precautions The time required for the master station to finish the transmittal of instruction message and for the slave station to start the transmittal of response message becomes longer if the number of data to write and read increases When the faster response time is required by the slave station make sure to keep the number of data to read write at the minimum in one message e When the number of data is one data to read write in one message the time required for the master station to finish the instruction message and for the slave station to transmit the response message is about 30 ms 4 14 Chapter 5 COMMUNICATION DATA TABLE 5 1 Basic Communicat
15. srx 0 1 0 0 P 0 8 7 0 ETX cr uF A m 4 8 Data link layer Application layer Data link layer Chapter 4 COMMUNICATION PROCEDURE O Error response Indicates that there is an abnormality in an instruction message which contains no data and cannot be normally read XOK indicates the warning code numeric A warning response K Termination code 22H H ODH OAH or 30H 31H 30H son 58H STX 0 1 0 0 X o X JETX 22 CR LF Data link layer Application layer Data link layer E Decimal numeric expression numeric data 1 Handling Precautions All numeric read count and write count and read data in the data address follow the rules given below 1 When a numeric is negative prefix the numeric with a minus sign 2DH A Example 123 2DH 31H 32H 33H 2 When a numeric is 0 use one 0 3 Example 0 30H 00 30H 30H is not allowed 3 When a numeric is positive never prefix the numeric with a mn plus sign A Example 123 2BH 31H 32H 33H is not allowed 4 Never add additional 0 s or spaces before a numeric 3 Example 0123 30H 31H 32H 33H is not allowed 123 20H 31H 32H 33H is not allowed 4 9 Chapter 4 COMMUNICATION PROCEDURE 4 5 Data Write E Description of write instruction This instruction permits the contents of continuous data addresses starting with
16. DCB 51 CloseHandle handle gt handle void Oxffffffff return 8 return 0 int Close void ifC handle void Oxffffffff DL ifC SetCommMask handle 51 CloseHandle handle gt handle void Oxffffffff return 2 ifC EscapeCommFunction handle CLRDTR CloseHandle handle gt handle void xffffffff return 3 3 ifC CloseHandle handle return 4 handle void xffffffff else return 1 J return Q unsigned long Error unsigned long Errors unsigned long SizeWritten COMSTAT Stat ifC handle void Oxffffffff return false T if Size gt BUFFERSIZE printf trans mission data is too long return false 6 4 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION doi ClearCommError handle amp Errors amp Stat jwhile BUFFERSIZE lt Stat cbOutQue Size ifC WriteFile handle Mesg Size amp SizeWritten false ifC GetLastError ERROR IO PENDING whileC GetOverlappedResult handle 0 amp SizeWritten true Error GetLastError ifC Error ERROR IO INCOMPLETE continue jelsei ClearCommError handle amp Errors amp Stat break I jelsei ClearCommError handle amp Errors amp Stat I ifC Size SizeWritten return true else return false bool Read unsigned char Buffer unsigned long SizeToRead unsigned long ReadSize unsigned long ErrFlag BOOL rt unsigned char RecvMe
17. H e Be sure to use CR and LF in pair 1 Handling Precautions If any of the following errors occur in the data link layer the MPC does not respond The communication conditions for both stations do not match different transmission speeds or the occurrence of a parity error STX ETX CR and LF are not placed at the right positions The device ID code is neither X nor x The station address subaddress or checksum is not two char acter codes The calculation of the checksum does not agree with that of the message Non specified characters are included in the message The destination station address differs from the station address for the receiving station The station address set to 00 The contents of the data link layer of the response message are same as the instruction message except for the checksum func tion Usecapital letters A to F in the hexadecimal numerics for the station address and checksum Chapter 4 COMMUNICATION PROCEDURE 4 3 Application Layer Bl Outline e The application layer contains instructions data number of data and termination code e In the application layer the instruction message and response mes sage have a different structure There are two types of instruction messages read instructions and write instructions Each of these instruction messages have their own responses e A termination code indicates how an instruction message has
18. ION DATA TABLE 0 OFF 1 ON Bit No Description OK lamp Instantaneous PV control status 0 Light out 1 Lighting Instantaneous PV OK Slow start operation 0 Normal operation 1 Slow start operation Digital setting Analog setting 0 Digital setting 1 Analog setting Integrated count status 0 Integrated PV lt Integrated SP 1 Integrated PV gt Integrated SP Undefined normally 0 Undefined normally 0 Undefined normally 0 Undefined normally 0 E Instantaneous flowrate related data Display Digital instantaneous flowrate SP 0 Data range 0 to 100 FS L min standard RAM EEPROM Address Address R Remarks The value with excluded decimal point of flow L min Digital instantaneous flowrate SP 1 0 to 100 FS L min standard standard multiplied by the percent in the full scale flow Digital instantaneous flowrate SP 2 Digital instantaneous flowrate SP 3 Bl Integrated Display Integrated SP setup lower 4 digits 0 to 100 FS L min standard 0 to 100 FS L min standard Data range 0 to 9999 bracket flowrate related data RAM EEPROM Address Address R W Remarks Same as RAM address 2218 and 5218 in parameter set up Integrated SP setup upper 4 digits 0 to 9999 Same as RAM address 2219 and 5219 in parameter set up Integrated PV setup lower 4 digits 0 to 9999 Whe
19. No CP SP 1154E MPC9500 0002 0005 0020 Panel Mount Mass Flow Controller User s Manual for Communication Functions Thank you for purchasing this prod uct This manual contains information for ensuring correct use of the com munication functions of the prod uct Those who design and maintain devices that use the communication functions of the product should read this manual It also provides necessary information for instal lation maintenance and trouble shooting Be sure to keep this man ual nearby for handy reference Azbil Corporation Please read the Terms and Conditions from the following URL before ordering or use http www azbil com products bi order html IMPORTANT Ifitis necessary to change the parameters of the MPC frequently by communication write data at addresses of RAM The endurance of EEPROM is limited to 10 000 erase write cycles Note that the data in RAM is cleared and is replaced with the data in EEPROM if the power supply to the MPC is interrupted NOTICE Be sure that the user receives this manual before the product is used Copying or duplicating this user s manual in part or in whole is forbidden The information and specifications in this manual are subject to change without notice Considerable effort has been made to ensure that this manual is free from inaccuracies and omissions If you should find an error or omission please contact the
20. ary to read write data from into the abovementioned two types of memory according to the purpose and use There is a difference between the object memories as follows RAM Data is read written from into RAM only If the power supply is turned off after writing data into RAM and then it is turned on again the data in EEPROM is copied on RAM so the data in RAM becomes the same as in EEPROM EEPROM Data are written in both RAM and EEPROM 5 1 Chapter 5 COMMUNICATION DATA TABLE E Data address The data addresses are allocated as shown in the table below RAM EEPROM Offset value Address Offset value Address Communication data Device related data 1001 to 1199 4001 to 4199 Operating status related data 1201 to 1399 4201 to 4399 Instantaneous flowrate related data 1401 to 1599 4401 to 4599 Integrated flowrate related data 1601 to 1799 4601 to 4799 Function setup related data 2001 to 2199 5001 to 5199 Parameter setup related data 2201 to 2399 5201 to 5399 E Number of data read write The number of data which can be continuously read written by once communication is as shown in the tabble below RAM EEPROM 1to 10 words 1 to 10 words 1to 10 words 1 to 10 words Read Write Bl Data unit and decimal point position Read write data is not appended with a decimal point The unit and decimal point position is determined for each data item For details on the data unit an
21. character code Termination code Role A numeric which specifies how the instruction mes sage has been processed by the instrument Different values are set according to the processing result lt gt Description The response message must include a termination code The termination codes are classified as follows Termination code H Normal The termination code isa Alarm 2 digit decimal Error Normal response Role Sends back the read data e Data items are delimited with a comma charac ter code 2CH Each data range and number of digits depend on the read data Digit without a decimal point is used for read data O Example 20 0 is converted to 200 when entered A normal response when two data items are read properly Termination code 00 normal Read data 02 zon 31H 30H 30H ses 30H 30H ach s n 32H 33H ach sen oe 30H 03H ach 35H ODH ou srx 0 1 0 0 X 0 0 1 2 3 8 7 0 ETX F 5 CR uF Data link layer Application layer Data link layer O Alarm response maw A warning response indicates the warning code numeric pF Termination code warning Read data o2 30H 31H 30H 30H 2CH 30H 2CH 38H EE 03H H H oos on
22. d decimal point position see the Panel Mount Mass Flow Controller User s Manual Chapter 5 COMMUNICATION DATA TABLE 5 2 Communication Data Table The enabling conditions for the address and R W Read Write of each data are specified in the following table The meaning of symbols in the R W column O Possible X Impossible Bl Device related data RAM EEPROM Display Data range Remarks Address Address R W Gas type 0 User Setting Change in gas type is possible 1 Air Nitrogen with the function setup 3 Argon Address 5018 4 Carbon dioxide CO2 Full scale flow Depended on each The value with excluded flowrate range decimal point Decimal point 0 No decimal point display position 1 XXXX of instantaneous 2 XXX X flowrate 3 XX XX 4 X XXX Decimal point 0 No decimal point display position 1 XXXXXXXX of integrated 2 XXXXXXX X flowrate 3 XXXXXX XX 4 XXXXX XXX Chapter 5 COMMUNICATION DATA TABLE Operating status related data Display Alarm status bit RAM EEPROM Data range Remarks Address Address Refer to 1 Status is shown in decimal numbers Event status bit Refer to 2 Status is shown in decimal numbers Control status bit Refer to 3 Status is shown in decimal numbers Operation mode 0 Valve full close Can not write when the valve 1 Valve control is in full close or full open 2 Valve full open resulted forcibly by
23. ect a target setting item by pressing either A key or v key 5 Press the ENT key gt gt The current setting value blinks on the lower display 6 Select a target setting by pressing either A key or v key 7 Press the ENT key at the target setting gt gt The setting value stores in memory and renews 8 When wanting to set another setting items return to 4 opera tion and wanting no more go to 9 operation 9 Press the DISP key gt gt The mode returns to the normal display of instantaneous PV indication 1 Handling Precautions e If any key is not pressed for 1 min after the function settings mode the mode returns to the normal display of instantaneous PV indication When pressing the DISP key without pressing the ENT key after 6 operation the setting is not renewed but remained as the previous value When setting a station address 0 the communication function does not work E Setting items of communication Station address 0 Communications function The communications function does disabled not work at 0 Set a different ad 1 to 127 Communications address dress among the slave stations Transmission 0 38400 bps speed selection 1 19200 bps 2 9600 bps 3 4800 bps 4 2400 bps Communications 0 8 bits data even parity 1 stop bit condition 1 8 bits data no parity 2 stop bits Chapter 4 COMMUNICATION PROCEDURE 4 1 Outline of Communication Procedu
24. ignment 4 ON during control mode ON during fully open mode ON during control or fully open mode ON during fully closed mode Instantaneous high limit event Instantaneous low limit event 1 10 Instantaneous low limit event 2 11 Integrated flowrate event 1 to 11 Reversed output 1 to 11 above ON at normal times OFF at event occur rence Display Undefined Setting range 0 RAM Address R Chapter 5 COMMUNICATION DATA TABLE EEPROM Address R W Remarks External contact 1 input function assignment External contact 2 input function assignment 0 Not used 1 Reset integration 2 Stop integration count operation 3 Switching of instantaneous SP No 4 Switching of instantaneous flowrate setup method 5 Operating mode forced fully closed 6 Operating mode forced fully open 7 Switching of slow start operation 8 Switching of operation mode Control at contact ON forced fully closed at contact OFF Undefined Automatic valve shut off function at integrated flowrate event occurrence Function disabled Function enabled Switching of integrated reset function at start of control Function disabled Function enabled Flowrate alarm setup type Function disabled Only high limit alarm use Only low limit alarm used High low limit alarm used Operation selec tion at alarm occurrence 0 Control con
25. ing Specifications Use the capital letter character codes for all the character codes nom other than the device ID code X or x in this instrument 7 1 Chapter 8 SPECIFICATIONS lll RS 485 specifications Item Remarks Transmission mode Balanced Transmission line 3 wire system Transmission speed bps 2400 4800 9600 19200 38400 Transmission distance 500 m max 300 m when connected with the MA500DIM and CMC410 Communications flow Half duplex Synchronization Start stop synchronization Data format 8 data bits 1 stop bit even parity 8 data bits 2 stop bits no parity Error detection Parity check checksum Station address Oto 127 Communication function is inhibited when set to 0 Network type TN 31 units or less Other items Conforms to RS 485 interface specifications Appendix E Code table The shaded part is not used for this communication system The codes to be used change every instrument Appendix 1 Appendix E Connection with CMC10L001A000 The following diagram shows an example of wiring using a straight cable for a host computer in the terminal mode Slave station MPC etc Terminating resistor Shielded _ cable BE Shielded cable Shielded _ cable 1 Host station CMC10L001A000 a device etc Terminating resistor Connec
26. ing termination o oooo ooo 4 12 E Error termination ccccccccccccccccccsceeccscees 4 12 4 7 Timing Specifications ssssessssssssssesesssssoese 4 13 E Timing specifications for instruction and response messages 4 13 E RS 485 driver control timing specifications 4 13 E Other precautions cece cece ccc cece ecco eens 4 14 Chapter 5 COMMUNICATION DATA TABLE 5 1 Basic Communication Data Processing esee 5 1 E Communication data types and formatsS 5 1 E Communication data storage memory sss 5 1 llData address owunnnnannnannnnnnennnnnnenenennnnener 5 2 E Number of data read write o oooooooooommmomo 5 2 Bi Data unit and decimal point position o oo o 5 2 5 2 Communication Data Table oo oooooocoommmmmm o 5 3 ll Device related data ooooooooooccomcommmmsmm 2 5 3 Bil Operating status related data ooooooommoooo 5 4 Wi Instantaneous flowrate related data 5 5 E Integrated flowrate related data ooooooo oo o 5 5 E Function setup related data ooooooooommmmmoo 5 6 H Parameter setup related data ooooommmmmomo 5 9 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION 6 1 Precautions for Programming eere 6 1 6 2 Examples of Communication Program esee 6 2 E P
27. ion Data Processing E Communication data types and formats O Types of communication data The communications data are categorized as follow e Device related data e Operating status related data e Instantaneous flowrate related data Integrated flow related data Function setup related data e Parameter setup related data Format of communication data Communication data is classified into the following formats e Numeric data Data indicating a numeric value PV SP etc e Bit data Data where each bit is significant alarms etc Bit data must be composed by transmission and decomposed by reception IMPORTANT If it is necessary to change the parameters of the MPC frequently by communication write data at addresses of RAM The endurance of EEPROM is limited to 10 000 erase write cycles Note that the data in RAM is cleared and is replaced with the data in EEPROM if the power supply to the MPC is interrupted E Communication data storage memory Memory type The communication data are stored in the following two types of memory RAM Stored data is cleared when the power is turned OFF However data can be written to this memory infi nitely EEPROM Stored data is retained even when the power is turned OFF whereas data erase write cycles are limited to a total of 10 000 times owing to device characteristics Communication object memory In communication it is necess
28. n 30H 58H 52H sia pos 31H 30H 30H 31H 57H 2CH 32H o3H 38H 41H ODH OAH sx of alofo x a sj 1 0 0 1 w 2 Im s 4 e LF Data link layer Application layer Data link layer The following describes each function of the data link layer O STX Start of TeXt Role Indicates the beginning of a message Description Fixed at 02H e When the instrument receives an STX it is iden tified as the first character of a new instruction message regardless of location with a message O Station address Role Specifies the destination station and allows commu nication with the specified station lt Description If 0 is set as the station address the communica tion function is disabled So to enable communica tion be sure to set an address value of 1 or more Two hexadecimal characters For details see the example O Example When the station address of the destination is 10 1 10 decimal OAH hexadecimal 2 Converting into character codes 0 30H A 41H 3 0A 30H 41H is used as the station address Note KF Chapter 3 SETTING 1 Handling Precautions Note that the function of the station address differs entirely from that of the data address of the application layer 4 3 Chapter 4 COMMUNICATION PROCEDURE 4 4 O Subaddress Description Device ID code lt Description ETX End of TeXt
29. n resetting the integrated value make sure to write 0 Integrated PV setup upper 4 digits 0 to 9999 for the both lower and upper digits 5 5 Chapter 5 COMMUNICATION DATA TABLE E Function setup related data RAM EEPROM Display Setting range Remarks ress Key lock disabled Settings other than instantaneous SP and integrated SP are key locked All settings key locked Operation Disabled selection by mode selection key operation selection by key 1 Enabled selection by key operation operation Instantaneous Digital setup set by key op flowrate setup eration or communications method instan Analog setup set by exter taneous SP setup nal analog input voltage method selection Number of Number of SPs 1 instantaneous SP 0 only flowrate setups Number of SPs 2 selection SP 0 SP 1 number of Number of SPs 3 instantaneous SP 0 to SP 2 SPs selection Number of SPs 4 SP 0 to SP 3 Instantaneous 0to 5V input flowrate analog in 1 1 to 5 V input put voltage range selection SP ana log input voltage range selection Instantaneous 0to 5 V output flowrate analog 1to 5V output output voltage range selection PV analog output voltage range selection Event 1 output Not used normally OFF type assignment 1 ON at alarm occurred Integrated pulse output Event 2 output ONat instantaneous PV OK type ass
30. nual CP UM 5355E 2 1 Chapter 2 WIRING A sample RS 485 connection is shown below Slave station MPC etc DA Terminating resistor Shield FG 1 Host station a device etc DA _ DB ctt SG 7T FG Terminating resistor Connect terminating resistors of 150 Q 5 1 2 W or more to the both ends of the communication path Ground the shield to the FG at one end of the shield Make sure that the shield is not grounded at both ends of the shield On 3 wire system Azbil Corporations CMC10L001A000 controller can be used as a converter of the master station C Handling Precautions e Be sure to connect SG terminals each other Failure to do so might cause unstable communications Chapter 3 SETTING Before starting communication set the communication condition and station address of the slave station to meet that of the master station E Setting method Operate the following procedure to set the communication functions 1 Put the integrated display mode by pressing the DISP key gt gt The L lamp lights 2 Keep pressing the lt key for about 3 s gt gt The 2 4 displays on the upper display and the mode transit the parameter settings mode 3 Keep pressing the lt key for about 3 s again gt gt The item No 4 appears on the upper display and the mode transit the function setting mode 4 Sel
31. orCode 0x00040000 ifC Cnt lt COMRESENDNUM goto resend return false I l ZeroMemory theApp BUFFERSIZE CopyMemory theApp amp theMsg 6 RdSz 6 etx strstr Cchar theApp Yx03 if etx NULL ErrorCode 0x00200000 if Cnt lt COMRESENDNUM goto resend return false jelsei etx 0x00 y strcpy received char amp theApp gt return true Chapter 7 TROUBLESHOOTING Bl Check items in case communication is disabled 1 2 3 4 5 6 7 Check the power supply Check the wiring Check if the communication conditions for the MPC meet those for the host computer If any one of the following setting items is different between both stations communication is disabled The underlined items mean that they can be set on the MPC side Transmission speed 2400 4800 9600 19200 38400 bps Data length 7 8 bits Parity No parity odd parity even parity Stop bit 1 stop bit 2 stop bits Check if the destination address of the command frame trans mitted from the host computer meets the address set to the MPC The address of the MPC set to 0 for factory setting Even when the destination address of the command frame is set to 00 30H 30H the MPC does not respond to such a mes sage Are those multi dropped MPC being operated themselves with different station address setups Check that the communication timing is correct gt 4 7 Tim
32. re and Messages This chapter describes the outline of communication procedure and the concept behind message configuration E Communication procedure The following is a simple breakdown of the communication procedure 1 The master station transmits an instruction message to a slave sta tion to specify a station for communication 2 The slave station processes the instruction message and executes read and write operations 3 The slave station transmits a response message according to the contents of processing 4 The master station receives the response message and executes processing E Message configuration A message consists of two layers as shown below Both the instruc tion message from a master station and the response message from a slave station take this form 9 Data link layer This layer contains the basic information required for communi cation e It also contains message destination and check information Application layer This layer is where data read and write operations are executed The content of this layer varies according to the purpose of the operation The figure below shows the individual layers A total of 31 units Slave station MPC etc Instruction message ee master station ER message from slave station Host station a device etc Application layer Destination station address changes every time according to the Load check sheet
33. rior to running the sample program esses 6 2 E Running the sample program esee 6 2 Bl Data read write sample program eee 6 3 Chapter 7 TROUBLESHOOTING Ml Check items in case communication is disabled 7 1 Chapter 8 SPECIFICATIONS E RS 485 specifications eee 8 1 Appendix lBlCodetable leen nnn Appendix 1 E Connection with CMC10L001A000 Appendix 2 vi Chapter1 INTRODUCTION The MPC hereafter referred to as the slave station is able to communicate with a personal com puter or PLC as a host computer hereafter referred to as the master station regarding setup values and data through an RS 232C RS 485 converter In the RS 485 system up to 31 units can be connected with one master station The station ad dress is used to identify slave station for communication To write a setup value or read a monitor from master station to slave station you must write a communication program for this purpose e When the following procedure is completed during communica tion various data for the controller can be read or written 1 The master station transmits a request message to the slave station 2 The master station receives a response message from the slave station e The commands from master station to slave station are classified into two types read and write The type of read write data can be selected by data address
34. ror in the written numeric All messages are scrapped There is an error in the written numeric Write has been executed except for the error address An undefined command or other message error All messages are scrapped Chapter 4 COMMUNICATION PROCEDURE 4 7 Timing Specifications Timing specifications for instruction and response messages The following precautions regarding the transmission timing of instruction messages from the master station and response messages from the slave station should be observed Response time out The maximum response time from the end of the instruction mes sage transmission by the master station until when the master station receives a response message from the slave station is 2 seconds 1 in figure So the response time out should be set to 2 seconds Generally when a response time out occurs the instruction message is resent For details 7 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION O Transmission start time Transmission Instruction Response Instruction Response line message message message message 1 End of master station transmission Transmission start time of slave station 2 s max For the master station the response time out after the end of instruction message transmission should esetto2 s 2 End of slave station transmission Transmission start time of master station 10 ms min For the master station stand by for 10 ms or more
35. s executed the application layers of the instruction message and response message communicated are indicated command RS 1000W 2 result 00 0 0 command WS 1000W 2 result 00 Sample indication of execution results O Communication settings Call open and initialize the RS 232C serial port O Command execution Set a desired character string in command and call AppCPL 6 2 Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION E Data read write sample program 1 Handling Precautions Azbil Corporation assumes no responsiblity with regard to any trouble caused VIG VIG VIG VIG Hi fi p d d d HAI un bo bo in in bo bo by using this program C Builder 5 Borland C bcc32 cpl cpp cygwin gcc gcc cpl cpp nclude lt stdio h gt nclude windows h ragma hdrstop efine COMRESENDNUM 2 efine BUFFERSIZE 4096 efine TIMEOUT 2000 NDLE handle signed long ErrorCode ol CheckSum ol AppCPLC char tosend char received t Open void t Close void ol Write unsigned char Mesg unsigned long Size ol Read unsigned char Buffer unsigned long SizeToRead unsigned long ReadSize unsigned long ErrFlag void CPLSum unsigned char str int len unsigned char buf MAA ht ie eer iiie a En eiie A RR e int mainCint argc char argv char command 255 char recieve 255 handle void Oxffffffff ErrorCode Q CheckSum true if OpenO
36. s manual is supplied with the product Personnel in charge of design and or manufacture of a system using this unit must thor oughly read this manual This manual describes the safety precau tions installation wiring and primary specifications For further information about operation refer to other manuals Installation amp Configurations MPC9500 0002 0005 0020 Panel Mount Mass Flow Controller User s Manual for Installation and Configurations Manual No CP SP 1153E This manual describes the hardware and all functions of this unit Personnel in charge of design manufacture operation and or maintenance of a system using this unit must thoroughly read this manual This manual also describes the installation wiring all func tions and settings of this unit operating procedures troubleshoot ing and detailed specifications MPC9500 0002 0005 0020 Panel Mount Mass Flow Controller User s Manual for Communication Functions Manual No CP SP 1154E This manual Those using the communication functions of the MPC should read this manual This manual describes an outline of communications wiring communication procedures a list of this manual describes com munication data how to remedy trouble and communication specifications MLP200A Loader Package for Panel Mount Mass Flow Controller User s Manual No CP UM 5355E This manual is included with the MLP200A100 loader package This manual describes the
37. scription Apr 2012 Company name changed July 2013 Inside front cover iv vii 1 1 2 2 4 2 4 4 4 5 5 1 7 1 Appendix 2 iii 1 1 Appendix 2 Appendix 3 1 1 2 1 5 2 4 6 4 9 5 5 5 8 5 8 5 9 The manual name was changed Trademark information was added MPC Series gt MPC The Role of This Manual section was changed CMCIOL was changed to CMC10L001A000 Terms in the figure were changed MPC Series was changed to Panel Mount Mass Flow Controller Diagram was replaced with a table Decimal numeric expression numeric data section was replaced with Handling Precautions The Integrated flowrate related data table was changed 1 atmosphere was changed to 1 atm Items were added to the table 2 was added azbil Azbil Corporation Advanced Automation Company 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com Specifications are subject to change without notice 09 1st edition Apr 2004 3rd edition July 2013 E V
38. sg BUFFERSIZE unsigned char cptr unsigned long i unsigned long stime unsigned long dtime unsigned long Error 0 unsigned long Size COMSTAT Stat ReadSize ErrFlag dtime 0 ifC handle void Oxffffffff return false stime GetTickCount dot ClearCommError handle amp Error amp Stat ifC Stat cbInQue gt ZeroMemory RecvMesg BUFFERSIZE rt ReadFile handle RecvMesg Stat cbInQue amp Size 0 RecvMesg Stat cbInQue 0x00 ifC rt DE clear error flag ClearCommError handle amp Error amp Stat set a argument error flag ErrFlag Error return false for cptr amp RecvMesg i cptr lt amp RecvMesg Stat cbInQue cptr i 51 if SizeToRead xFFFFFFFF ifC cptr 0x02 51 ReadSize 0 Buffer ReadSize cptr selse ifC C cptr Yn H Buffer ReadSize cptr ifC Buffer ReadSize 2 Yr XX Buffer ReadSize 0x00 goto OutOfWhile l Buffer ReadSize cptr Chapter 6 COMMUNICATION PROGRAM FOR MASTER STATION selse Buffer ReadSize cptr ifC C ReadSize SizeToRead goto OutOfWhile I 3 l Sleep 1 dtime GetTickCount stime Iwhile SizeToRead gt ReadSize amp amp dtime lt TIMEOUT OutOfWhile ifC SizeToRead gt ReadSize amp amp SizeToRead xFFFFFFFF I C ReadSize 0 XX ErrFlag 0x00010000 return false l return true Te ee ee ean eee eee void CPLSum
39. software used on a personal computer to configure the MPC Personnel in charge of design or configu ration of a system using the MPC should read this manual thor oughly The manual also describes the installation of the software on a personal computer the operation of the personal computer various functions and setup procedures Organization of This User s Manual This manual is organized as follows Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Appendix INTRODUCTION This chapter describes communication outline of the MPC WIRING This chapter describes RS 485 wiring methods to make a com munication link between the MPC and other instruments SETTING This chapter describes MPC communication settings COMMUNICATION PROCEDURE This chapter describes communication procedures message con figuration data read write and signal timing operations COMMUNICATION DATA TABLE This chapter provides various data address tables for communica tions on the MPC COMMUNICATION PROGRAM FOR MASTER STATION This chapter gives precautions for programming and an example of a communication program for the MPC TROUBLESHOOTING This chapter describes checkpoints to diagnose failures in MPC communications SPECIFICATIONS This chapter lists communication specifications for the MPC The appendix provides code tables Contents Conventions Used in This Manual
40. t terminating resistors of 150 Q 5 96 1 2 W or more to the both ends of the communication path Ground the shield to the FG at one end of the shield Make sure that the shield is not grounded ato both ends of the shield C Handling Precautions e Be sure to connect SG terminals each other Failure to do so might cause unstable communications Appendix 2 RS 232C cable Appendix Connect the master station SD to the slave station RD and the master station RD to the slave station SD To execute this connection set the MODE switch provided in the CMC10L001A000 as shown in the following table in accordance with the host computer side RS 232C connector pin arrangement mo dem terminal and the type of cable cross straight used RS 232C Cable type MODE switch TERMINAL Straight MODEM TERMINAL Cross TERMINAL MODEM Straight TERMINAL MODEM Cross MODEM Straight An RS 232C cable with a D SUB 9 pin connector at each end where pins with the same number are mutually connected for example pin 2 to pin 2 and pin 3 to pin 3 Cross An RS 232C cable with a D SUB 9 pin connector at each end where different number pins are connected for example pin 2 to pin 3 and pin 3 to pin 2 D Sub 25 pin D Sub 9 pin conversion cable An RS 232C cable for conversion between D Sub 25 pin and D Sub 9 pin Appendix 3 Revision History of CP SP 1154E Printed Apr 2004 Revised pages De
41. the device after operation This indicates 7 segment indication on the setup display OK lamp This indicates an LED lamp on the setup display ENT key This indicates a key on the setup display Safety Precautions NWARNING Q Do not use the MPC for medical instruments NCAUTION Before removing mounting or wiring the MPC be sure to turn off the power to the MPC and all connected devices Failure to do so might cause electric shock Do not disassemble the MPC Doing so might cause malfunction Wire the MPC in compliance with the predetermined standards Also wire the MPC with specified power cables according to recognized installation methods Failure to do so might cause malfunction Use the MPC within the operating ranges temperature humidity voltage vibra tion shock mounting direction atmosphere etc recommended in the specifica tions Failure to do so might cause malfunction Make sure that wire scraps chips or water do not enter inside the case of the MPC Failure to do so might cause faulty operation or malfunction The Role of This Manual A total of four different manuals are available for the Panel Mount Mass Flow Controller MPC Read them as necessary for your specific requirements If a manual you require is not available contact the azbil Group or its dealer MPC9500 0002 0005 0020 Panel Mount Mass Flow Controller User s Manual Manual No CP UM 5317E Thi
42. the specified start data address to be simultaneously written in one message e The application layer of a write instruction consists of the following three types of data Write command Write data 1st data item Start data address Write data 2nd data item nl 02H 30H 31H 30H 30H 58H 57H 53H 2CH 31H 30H 30H 31H 57H 2CH 32H 2CH 36H 35H STX 0 1 0 0 x WIS t 1 0 0 1 Ww 2 i 6 5 Data link layer Application layer os 46H 45H ODH OAH ex F E CR LF Data link layer O Example The above example shows that 2 and 65 are writ ten at address 1001W and 1002W in one message e Individual data items are delimited with a comma character code 2CH The number of write data does not need to specify e A capital letter code is used for each numeric or character in the application layer A decimal number is used for each numeric Additional 0 s 30H or spaces cannot be added to each data item O Example The underlined portion of WS 01001W 1 is not allowed The underlined portions of WS 1001W 01 are not allowed Write command WS Role A write command lt Description Two WS 57H 53H characters O Start data address Role Specifies the start data address e 7 5 2 Communication Data Table page 5 3 Be sure to append the numeric representing the data
43. time 1 0to 999 9 s Event 1 output delay time 0 0 to 999 9 s Event 2 output delay time 0 0 to 999 9 s Even if the delay time is set it is disabled during selection of integration pulse output 2 User setup conversion factor C F 0 100 to 9 999 Under the gas type selection Address 5018 ofthe function setup the setup value is only effective when the User setup is selected 2 Undefined 0 1 Undefined 0 1 Event 1 output high low limit flowrate setup 0 to 100 FS L min standard 2 Event 2 output high low limit flowrate setup 0 to 100 96 FS L min standard Undefined Undefined 0 0 1 Analog option scaling function 10 to 100 FS L min standard 1 2 Integrated SP setup lower 4 digits 0 to 9999 Same as address 1601 and 4601 2 Integrated SP setup upper 4 digits 0 to 9999 Same as address 1602 and 4602 PV forced zero function delay time 0 0 to 999 9 s 2 SP high limit flow rate 100 96 FS L min SP low limit flow rate 0 96 FS L min The data range varies depending on the model 3 1 Though a normal termination code is returned after sending the write instruction message the data cannot be written 2 All data is handled without the decimal point 3 Neither read nor write is possible for products shipped in December 2006 or earlier 5
44. tinued alarm ignored 1 Forced fully closed 2 Forced fully open Slow start setup 0 Slow start disabled 1 to 8 Slow start enabled equivalent to about 1 to 6 seconds settling time Gas type selection 0 Conversion factor for each gas type set by the user 1 Air Nitrogen 3 Argon 4 Carbon dioxide CO2 5 7 Chapter 5 COMMUNICATION DATA TABLE RAM EEPROM Display Setting range gt Remarks Address R W Address R W Flowrate display 0 20 C 101 325 kPa 1 atm unit selection 0 C 101 325 kPa 1 atm 25 C 101 325 kPa 1 atm 35 C 101 325 kPa 1 atm Inlet pressure setup 0 0 to 0 1 MPa 0 05 to 0 15 MPa 0 15 to 0 25 MPa 0 25 to 0 35 MPa 0 35 to 0 45 MPa 0 45 to 0 5 MPa Instantaneous flow 0 Function disabled rate direct setting Function enabled functional change Undefined PV filter Average 0 No filtering Moving average of 2 samples Moving average of 4 samples Moving average of 8 samples Undefined Undefined Undefined Undefined Analog optional 0 Function disabled scaling function Function enabled PV forced zero Function disabled function Function enabled Station address Communication func setting tions disabled 1 to 127 Station address Transmission 0 38400 bps speed selection 1 19200 bps 2 9600 bps 3 4800 bps 4 2400 bps Communication 0 8 data bits
45. yer Data link layer 2 A warning response indicates the warning code numeric O Error response Role Only the abnormal termination code is returned O Example An abnormal response indicates an abnormal response L Termination code 3 error 02H 30H 31H 30H 30H 58H an 03H H H ODH OAH STX 0 1 0 0 X ETX CR LF Data link layer Application layer Data link layer 4 11 Chapter 4 COMMUNICATION PROCEDURE 4 6 Termination Code Table E Normal and warning termination Termination code Normal Contents and action Normal end Alarm E Error termination Termination code Wrote data in the address that could not be set in the communica tion due to the setup allotment by external switching inputs Continue the process without writing any in the concerned address The Read is stopped due to access to the address outside the scope The Write is stopped due to access to the address outside the scope All messages are processed except the address outside the scope Contents and action W has not been set at the address All messages are scrapped WS or RS has not been set All messages are scrapped ETX 03H is not set in the correct position is not set after the address All messages are scrapped The address is erroneous All messages are scrapped There is an er
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