Home

9.17.026 - Bronkhorst High

1. 25 4 3 2 Alarm enable 25 4 3 3 Alarm Trip Points 25 4 3 4 Gas calibration object instance 25 4 4 ANALOG ACTUATOR OBJECT INSTANCE 25 4 4 1 Actuator value 25 4 4 2 Override 26 4 4 3 Safe state 26 4 5 GAS CALIBRATION OBJECT INSTANCE 26 4 5 1 Gas standar
2. 43 BRONKHORST Page 5 DeviceNet interface 9 17 026 1 GENERAL PRODUCT INFORMATION 1 1 INTRODUCTION The DeviceNet interface offers a direct connection to DeviceNet Networks for Bronkhorst1 digital mass flow pressure meters controllers according to the Mass Flow Controller Profile specified by the ODVA This manual is limited to the description of the interface between the DeviceNet Mass Flow Controller with a master device This manual will explain how to install a Bronkhorst instrument to your DeviceNet system It only consists of that information which is needed most There is no mutual communication between DeviceNet slaves only between master and slave Each slave should have its own unique MAC ID on the network otherwise there is no communication possible Setting MAC ID can be performed by either Master configuration software Bronkhorst tooling software FlowFix on Multibus documentation software tool CD This programme is able to communicate with the instrument via RS232 using a special cable If you don t have such a cable ask your local sales represen
3. 32 9 CHANGING MAC ID AND BAUD RATE 33 9 1 VIA ROTARY SWITCHES ON THE SIDE OF THE INSTRUMENT IF PRESENT 33 9 1 1 DATA RATE 33 9 1 2 NODE ADDRESS 00 63 PGM 33 9 2 VIA DEVICENET 34 9 2 1 MAC ID 34 9 2 2 BAUD Rate 34 9 3 VIA RS232 FLOWFIX 35 9 4 VIA RS232 OTHER PROGRAMS
4. DeviceNet interface 9 17 026 4 1 3 Exception Status Exception status is a single byte which indicates the status of alarms and warnings When 128 is read everything is o k This means that the expanded method is used for the exception status Bit Meaning 0 alarm device common 1 alarm device specific 2 alarm manufacturer specific 3 reserved 4 warning device common 5 warning device specific 6 warning manufacturer specific 7 1 expanded method For more details see the DeviceNet specification 4 2 SINGLE STAGE CONTROLLER 4 2 1 Control mode The Control Mode is implemented as follows Control Mode Setpoint Value 0 Normal set by attribute 6 setpoint 1 Close 0 2 Open max value 3 Hold last used value 4 Safe state not supported When Override attribute of Analog actuator object 0x32 attribute 0x05 is set to a value other than 0 this attribute will override the Control Mode attribute BRONKHORST Page 24 DeviceNet interface 9 17 026 4 2 2 Setpoint For the objects Analog Sensor and Single Stage Controller the following data types and data units are supported for Value and alarm levels Note that d
5. 6 1 4 SHORT FORM START UP 7 2 FIELD BUS INSTALLATION 8 2 1 GENERAL 8 2 2 DEVICENET CONNECTOR 8 2 3 DEVICENET CABLES AND T PARTS 9 2 4 MAXIMAL CABLE LENGTHS WITH DEVICENET 9 2 5 DROP LINES WITH DEVICENET 10 2 6 NETWORK TERMINATION 10 2 7 POWER SUPPLY 10
6. 0 and 32000 100 0x31 0x70 Counter Unit 0x0E STRING 104 7 Counter unit string 0x31 0x71 Counter Mode 0x0E 0x10 USINT 104 8 0 Counter Off 1 Counter On 2 Counter On Up to limit 0x31 0x72 Counter Reset Mode 0x0E 0x10 USINT 104 9 Counter reset mode see manual BRONKHORST Page 15 DeviceNet interface 9 17 026 0x31 0x73 Counter Convergence factor 0x0E 0x10 REAL 104 10 0 0 1 0 mini CORI FLOW only 0x31 0x74 Counter Controller Gain 0x0E 0x10 REAL 104 11 mini CORI FLOW only 0x31 0x75 Reset 0x10 USINT 115 8 0 No Action 1 Reset counter 3 Reset counter 4 Reset and stop counter 1 Depends on the value assigned to the Data Type attribute If the value of this attribute is 0xC3 the selected data type is Integer If the value of this attribute is 0xCA the selected data type will be the IEEE 754 single precision floating point ANALOG SENSOR OBJECT SERVICES ANALOG SENSOR OBJECT SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x31 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x31 0x10 Set_Attribute_Single Modifies an attr
7. 3 FUNCTIONAL DESCRIPTION 11 3 1 GENERAL 11 3 2 OBJECTS AND SERVICES 11 3 3 EXPLICIT MESSAGING 11 3 3 1 Identity Object 11 3 3 2 DeviceNet Object 12 3 3 3 Connection Objects 12 3 3 4 Supervisor Objects 13 3 3 5 S Analog Sensor Object 14 3
8. SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x01 0x05 Reset Reset device parameters 0 reset 1 load default values reset 0x01 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x01 0x10 Set_Attribute_Single Modifies an attribute value 3 3 2 DeviceNet Object Class Code 03 HEX The DeviceNet Object provides the configuration and status of a DeviceNet port Each DeviceNet product must support and anly one DeviceNet object per physical connection to the DeviceNet communication link DEVICENET OBJECT S INSTANCE ATTRIBUTES Instance 1 DEVICENET OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x03 0x01 MAC ID 0x0E 0x10 USINT 125 10 0 63 0x03 0x02 BAUD Rate 0x0E 0x10 USINT 126 9 0 2 0x03 0x03 Bus Off Interrupt 0x0E 0x10 BOOL 0 1 0x03 0x04 Bus Off Counter 0x0E 0x10 USINT 0 255 0x03 0x05 Allocation Information 0x0E STRUCT Alloc choice Masters MAC ID DEVICENET OBJECT SERVICES DEVICENET OBJECT SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x03 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x03 0x10 Set_Attribu
9. SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x34 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x34 0x10 Set_Attribute_Single Modifies an attribute value BRONKHORST Page 18 DeviceNet interface 9 17 026 3 3 9 Elementary data Types This section describes the data type specification syntaxes data type value ranges and operations that can be performed on the defined data types Table 2 18 SUBSET OF ELEMENTARY DATA TYPES Keyword Description Minimum range Maximum range BOOL Boolean 0 1 SINT Short Integer 128 127 INT Integer 32768 32767 USINT Unsigned Short Integer 0 255 UINT Unsigned Integer 0 65535 UDINT Unsigned Double Integer 0 2 32 1 REAL Floating Point IEEE 754 single floating point DATE Date only D 1972 01 01 D 2151 06 06 65536 days BYTE Bit string 8 bits WORD Bit string 16 bits STRING Character string 1 byte per character See IEC1131 3 SHORT_STRING Character string 1 byte per character 1 byte length indicator See IEC1131 3 BRONKHORST Page 19 DeviceNet interface 9 17 026 3 4 POLLED I O 3 4
10. 0x31 0x07 Status 0x0E BYTE 1 High Alarm Exception 2 Low Alarm Exception 0x31 0x08 Alarm Enable 0x0E 0x10 BOOL 0x31 0x0A Full Scale 0x0E INT 32000 0x31 0x11 Alarm Trip Point High 0x0E 0x10 INT 97 1 see attribute 3 and 4 0x31 0x12 Alarm Trip Point Low 0x0E 0x10 INT 97 2 see attribute 3 and 4 0x31 0x14 Alarm Settling Time 0x0E 0x10 UINT 97 7 0 65000 alarm delay msec 0x31 0x1C Autozero status 0x0E UINT 1 busy 0 ready 0x31 0x23 Gas Calibration Object Instance 0x0E 0x10 UINT 1 8 1 fluid 1 selected 0x31 0x69 Temperature 0x0E REAL 33 7 Actual fluid Temperature mini Cori 0x31 0x6A Density 0x0E REAL 116 15 Actual fluid Density mini Cori 0x31 0x6B Counter Value 0x0E 0x10 REAL 104 1 Actual counter value 0x31 0x6C Counter Unit Index 0x0E 0x10 USINT 104 2 Index of counter unit table 0x31 0x6D Counter Limit 0x0E 0x10 REAL 104 3 Counter lImit 0x31 0x6E Counter Setpoint mode 0x0E 0x10 USINT 104 5 0 No setpoint change 1 Setpoint change on limit reached 0x31 0x6F Counter Setpoint 0x0E 0x10 UINT 104 6 Setpoint when counter limit reached 0 32000 where 0
11. 36 9 5 VIA MICRO SWITCH AND LEDS ON TOP OF INSTRUMENT 36 10 DOWNLOAD TO MASTER 37 11 TEST COMMUNICATION 39 12 TROUBLESHOOTING 40 12 1 LED INDICATIONS 40 12 1 1 LED indications mode MBC II and MBC3 40 12 1 2 LED indications mode MBC3 only 41 12 1 3 DeviceNet error description 42 12 2 TROUBLESHOOTING HINTS AND TIPS 42 13 SERVICE
12. Then the configuration screen will appear Enter MAC ID and Baud rate and press OK Re address action can be checked using the option Live list or Global State Field This gives an overview of all masters and slaves connected to a DeviceNet segment see example in previous paragraph BRONKHORST Page 36 DeviceNet interface 9 17 026 9 4 VIA RS232 OTHER PROGRAMS It is also possible to read and or change station address or baud rate by means of any program via RS232 using the COM port of your PC on 38 4 KBaud This can be achieved using the FLOW BUS protocol The following table gives the parameters in proc 125 which may be used Parameter Type R W Init mode Description 9 LONG R W Soft init Baud rate for field bus interface 10 CHR R W Soft init Field bus station address MAC ID More detailed information about the RS232 protocol document 9 17 027 can be found at http www bronkhorst com en downloads instruction_manuals 9 5 VIA MICRO SWITCH AND LEDS ON TOP OF INSTRUMENT With the micro switch on top of the instrument it is possible to change and readout the settings for MAC ID and baud rate The LED s w
13. UINT 0x05 0x10 Consumed Connection Path 0x0E 0x10 EPATH 0x05 0x11 Production Inhibit Time 0x0E 0x10 UINT CONNECTION OBJECT SERVICES CONNECTION OBJECT SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x05 0x05 Reset Used to reset all resetable Connection Objects 0x05 0x09 Delete Used to delete all Connection Objects and to release all associated resources 0x05 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x05 0x10 Set_Attribute_Single Modifies an attribute value BRONKHORST Page 13 DeviceNet interface 9 17 026 3 3 4 Supervisor Objects Class Code 30 HEX This object models the interface functions and behaviour associated with the management of application objects for devices within the Hierarchy of Semiconductor Equipment Devices SUPERVISOR OBJECT S INSTANCE ATTRIBUTES Instance 1 DEVICE SUPERVISOR OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x30 0x01 Number of Attributes 0x0E USINT 20 0x30 0x02 Attribute List 0x0E Array of USINT 0x30 0x03 Manufacturer s Device Type 0x0E SHORT STRING 113 1 Char 6 MFM or MFC
14. I O The Data type and Data unit Attribute can only be set when the MFC is in the Idle state If the MFC is not in this state i e Executing state the user must use the Stop service 0x07 of Instance 0x01 of the Supervisor object 0x30 to allow the MFC to enter the Idle state for making the change When the attribute has been set the user can use the Start service 0x06 of the same object and instance to resume the Executing state Example 1 How to program instrument with option 1 from above Object Instance Service code Attribute Value Description 30 1 0x07 stop instrument to idle state green LED long flash 2 sec on 0 1 sec off 31 1 0x10 0x03 0xC3 Data type INT 31 1 0x10 0x04 0x01 0x10 Data unit COUNT 30 1 0x06 start instrument to executing state green LED on continuously Example 2 How to program instrument with option 8 from above Object Instance Service code Attribute Value Description 30 1 0x07 stop instrument to idle state green LED short flash 2 sec on 0 1 sec off 33 1 0x10 0x03 0xCA Data type REAL 33 1 0x10 0x04 0x00 0x14 Data unit SCCM 30 1 0x06 start instrument to executing state green LED
15. Power off or program not running on Continuous Normal running operation mode Short flash 0 1 sec on 2 0 sec off Initialization mode Abort state Secured params can be changed normal flash 0 2 sec on 0 2 sec off Special function mode Instrument is busy performing any special function E g auto zero or self test long flash 2 0 sec on 0 1 sec off idle state Red off Continuous No error Short flash 0 1 sec on 2 0 sec off Minor communication error normal flash 0 2 sec on 0 2 sec off No bus power long flash 2 0 sec on 0 1 sec off Serious communication error manual intervention needed long flash 1 0 sec on 0 1 sec off For special service purpose only on Continuous Critical error message A serious error occurred in the instrument Instrument needs service before further using Wink Mode Green Red Green Red turn by turn slow wink 0 2 sec on 0 2 sec off Wink mode By a command send via FLOW BUS the instrument can wink with Led s to indicate its position in a large system normal wink 1 0 sec on 1 0 sec off Alarm indication minimum alarm limit maximum alarm power up alarm or
16. has been returned collect to our factory or service center these costs are added to the repair invoice Import and or export charges foreign shipping methods carriers are paid for by the customer BRONKHORST Page 3 DeviceNet interface 9 17 026 Table of contents 1 GENERAL PRODUCT INFORMATION 5 1 1 INTRODUCTION 5 1 2 MULTIBUS TYPES 5 1 3 REFERENCES TO OTHER APPLICABLE DOCUMENTS 6 1 3 1 Manuals and user guides 6 1 3 2 Technical Drawings 6 1 3 3 Software tooling
17. is 0xCA the selected data type will be the IEEE 754 single precision floating point ANALOG ACTUATOR OBJECT SERVICES ANALOG ACTUATOR OBJECT SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x32 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x32 0x10 Set_Attribute_Single Modifies an attribute value No indication is available if counter limit is reached A workaround could be read counter limit and counter value all the time by the master application If counter value gt counter limit the batch has been reached BRONKHORST Page 16 DeviceNet interface 9 17 026 3 3 7 S Single Stage Controller Object Class Code 33 HEX The S Single Stage Controller Object models a closed loop control system within a device CONTROLLER OBJECT S INSTANCE ATTRIBUTES Instance 1 SINGLE STAGE CONTROLLER OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x33 0x01 Number of Attributes 0x0E USINT 6 0x33 0x02 Attribute List 0x0E Array of USINT 0x33 0x03 Data Type 0x0E 0x10 USINT 0xC3 INT 0xCA REAL 0x33 0x04 Data Units 0x0E 0x10 UINT 0x1001 counts
18. limit exceeded or batch reached fast wink 0 1 sec on 0 1 sec off Switch released selected action started BRONKHORST Page 41 DeviceNet interface 9 17 026 12 1 2 LED indications mode MBC3 only for this state Led Indication Network status LED NET Not powered Not online Off Device is not online The device has not been completed the Dup_MAC_ID test yet The device may not be powered look at module status LED No network power present Link OK Online Connected On green Device is online and has connections in the established state For a group 2 device it means that the device is allocated to a master Online Not connected Flashing green 0 5 sec on 0 5 sec off The device is online but has no connections in the established state The device has passed the Dup_MAC_ID test is online but has no established connections to other nodes For a group 2 device it means that the device is not allocated to a master Connection Time out Flashing red 0 5 sec on 0 5 sec off One or more I O connections are in timed out state Crit
19. option When there is something wrong see device diagnostic for details BRONKHORST Page 39 DeviceNet interface 9 17 026 11 TEST COMMUNICATION Some master configuration tool programs offer facilities to read input I O and write output I O data An example of this Only the first 32 bytes from your input and output data area will be displayed in this monitor If your program does not support such option you have to use your master software or other available programs to check communication between master and slave s BRONKHORST Page 40 DeviceNet interface 9 17 026 12 TROUBLESHOOTING 12 1 LED INDICATIONS LED indications can be very useful in case of problems with the instrument The green LED is normally used for instrument status indication like normal operation or special function mode For DeviceNet it is also possible to show that the instrument is in abort state and idle state The red LED is normally used to for error warning indication how longer the flash how greater the trouble 12 1 1 LED indications mode MBC II and MBC3 Led Time Indication Green off Continuous
20. or a new power up At duplicate MAC ID situation sending a new MAC ID via RS232 e g using FlowFix could also solve the problem 12 2 TROUBLESHOOTING HINTS AND TIPS SITUATION Description DeviceNet problems Check all DeviceNet settings at your master Master and device settings for use of memory modules must be the same Make sure selected configuration at device configuration for polled I O is the same as the settings at parameter data See chapter 7 for more details Check MAC ID and Baud rate of device slave Check cabling and bus termination of your DeviceNet system Check power supply Instruments need 24Vdc Try to reset the instrument and or restart your master Make sure all settings for your slave are downloaded to your master otherwise it won t work Contact DeviceNet sales representative or service department Other FLOW BUS problems Contact Bronkhorst local sales representative or send e mail describing your problem to see service chapter BRONKHORST Page 43 DeviceNet interface 9 17 026 13 SERVICE For current information on Bronkhorst and service addresses please visit our website http www br
21. 0x1400 sccm etc 0x33 0x05 Control Mode 0x0E 0x10 USINT 0x33 0x06 Setpoint 0x0E 0x10 INT or REAL1 1 1 See attribute 3 and 4 For data unit counts the setpoint attribute must be in the range of 0 32000 Where 0 min setpoint 0 32000 max setpoint 100 0x33 0x0A Status 0x0E BYTE 0x33 0x13 Ramp Rate 0x0E 0x10 UDINT 1 2 Setpoint slope in msec max 3000000 msec 1 Depends on the value assigned to the Data Type attribute If the value of this attribute is 0xC3 the selected data type is Integer and if the value of this attribute is 0xCA the selected data type will be the IEEE 754 single precision floating point BRONKHORST Page 17 DeviceNet interface 9 17 026 CONTROLLER OBJECT SERVICES SINGLE STAGE CONTROLLER OBJECT SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x33 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x33 0x10 Set_Attribute_Single Modifies an attribute value 3 3 8 S Gas Calibration Object Class Code 34 HEX An S Gas Calibration Object affects the behaviour of an associated S Analog Sensor object instance GAS CALIBRATION OBJECT S CLA
22. 4 abort request 5 stop request 6 reset request 7 recover request 8 self test passed 9 self test failed 10 perform diagnostics request 11 power applied 12 critical fault from any state 6 diag_bits bit 0 ces state error passive Diagnostic bits will be reset automatically 2 bit 1 ces state bus off bit 2 nas state communication fault bit 3 nas event occurred duplicate MAC ID check request received bit 4 nas event occurred duplicate MAC ID check response received bit 5 sos state critical fault bit 6 sos event occurred IO connection timeout bit 7 sos event occurred IO connection deleted bit 8 sos event occurred self test failed bit 9 sos event occurred critical fault from any state bit 10 rx queue overrun bit 11 tx queue overrun bit 12 can overrun bit 13 explicit connection timeout bit 14 devicenet reset bit 15 bus sense error 24V detection 8 AnSens Data Type attr 0x31 1 3 Analog sensor data type 1 9 AnAct Data Type attr 0x32 1 3 Actuator data type 1 10 Contrl Data Type attr 0x33 1 3 Controller data type 1 11 Default Inp IO attr 0x30 1 102 Current Assembly Instance Input 1 12 Default
23. 917023 Operational instructions digital instruments This document can be found at http www bronkhorst com en downloads instruction_manuals BRONKHORST Page 42 DeviceNet interface 9 17 026 12 1 3 DeviceNet error description SITUATION Description Minor communication error red LED 0 1 sec on 2 sec off Each communication error will be seen as a minor communication error except for when the instrument is in the communication fault state Instrument will stay in the on line state These errors will be recovered automatically Examples of minor errors When instrument is only member on DeviceNet network When an I O connection time out has occurred No bus power red LED 0 2 sec on 0 2 sec off Instrument hardware detects that 24 Vdc in DeviceNet cable is not present Serious communication error red LED 2 sec on 0 1 sec off Instrument will get in communication fault state This will happen at duplicate MAC ID or at bus off event This node is faulty and is not allowed to have any influence on the bus This state can only be left by manual intervention Instrument needs a reset either by using the micro switch on top of the instrument
24. a 72MHz 32 bit NXP ARM controller It has AD and DA controllers on board which makes it possible to measure noise free and control valves without delays The internal control loop runs 6 times faster compared to the MBC II therefore control stability has improved significantly It also has several improved functions like reverse voltage protection inrush current limitation and overvoltage protection MBC3 instruments can be recognised by the MBC3 placed on lower left side of the instrument label see example Information about DeviceNet can be found at the website of de ODVA organisation www odva org BRONKHORST Page 6 DeviceNet interface 9 17 026 1 3 REFERENCES TO OTHER APPLICABLE DOCUMENTS Manuals and guides for digital instruments are modular General instructions give information about the functioning and installation of instruments Operational instructions explain the use of the digital instruments features and parameters Field bus specific information explains the installation and use of the field bus installed on the instrument 1 3 1 Manuals and user guides 1 3 2 Technical Drawings Hook up diagram laboratory st
25. a device requires a separate 24V power source other than the DeviceNet power source you should use an additional 24V power source Choosing a Power Supply The total of all of the following factors must not exceed 3 25 of the nominal 24V needed for a DeviceNet system initial power supply setting 1 00 line regulation 0 30 temperature drift total 0 60 time drift 1 05 load regulation 0 30 The maximum cable distance is not necessarily the trunk length only It is the maximum distance between any two devices BRONKHORST Page 11 DeviceNet interface 9 17 026 3 FUNCTIONAL DESCRIPTION 3 1 GENERAL The Bronkhorst digital instruments will behave as slaves on the DeviceNet bus This means all communication instructions readout will be performed by a master on the same DeviceNet field bus Mostly this will be any PLC or PC card controlling a process The Bronkhorst DeviceNet MFC is a Group 2 Only Server device which messages comply with the CAN 2 0A standard and with the DeviceNet protocol The DeviceNet MFC supports two types of connection Explicit and Polled I O As defined by the DeviceNet protocol 3 2 OBJECTS AND SERVICES Bronkhorst MFC s consis
26. objects for Digital Mass Flow Pressure Controllers Meters These messages have an a cyclic character For cyclic messages see Polled I O in the next paragraph The FLOW BUS column shows how DeviceNet attributes are mapped on the internal FLOW BUS variables of the instrument This information can be useful for who is familiar with FLOW BUS 3 3 1 Identity Object Class Code 01 HEX This object provides identification of and general information about the device The Identity Object is present in all CIP products IDENTITY OBJECT S INSTANCE ATTRIBUTES Instance 1 IDENTITY OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x01 0x01 Vendor Id 0x0E UINT 706 0x01 0x02 Device Type 0x0E UINT 0x001A 0x01 0x03 Product Code 0x0E UINT 113 12 IdentNr 0x01 0x04 Revision 0x0E STRUCT V major minor 0x01 0x05 Status 0x0E WORD always 0x0001 0x01 0x06 Serial Number 0x0E UDINT calculate from 113 3 0x01 0x07 Product Name 0x0E SHORT STRING Bronkhorst meter controller BRONKHORST Page 12 DeviceNet interface 9 17 026 IDENTITY OBJECT SERVICES IDENTITY OBJECT
27. on continuously BRONKHORST Page 21 DeviceNet interface 9 17 026 3 5 DEVICE CONFIGURATION 3 5 1 Available data combinations for Polled I O Using the EDS file in the DeviceNet configuration program of the master following I O combinations are available IO Assembly Instances Inputs 1 ExceptionStatus Flow data type integer 0xC3 2 ExceptionsStatus Flow Setp Override Valve signal data type integer 0xC3 3 ExceptionStatus Flow data type float 0xCA 4 ExceptionsStatus Flow Setpoint Override Valve data type float 0xCA Outputs 1 Setpoint data type integer 0xC3 2 Override Setpoint data type integer 0xC3 3 Setpoint data type float 0xCA 4 Override Setpoint data type float 0xCA 3 5 2 Available parameter data Using the EDS file in the configuration program of the master following parameters are available for customising 1 Polled I O input select IO Assembly Instance for input data combination polled I O 2 Polled I O output select IO Assembly Inst
28. 0x30 0x04 SEMI Standard Revision 0x0E SHORT STRING E54 0997 0x30 0x05 Manufacturer s Name 0x0E SHORT STRING Bronkhorst High Tech 0x30 0x06 Manufacturer s Model 0x0E SHORT STRING 113 2 Char 14 0x30 0x07 Digital MFC Software Revision Level 0x0E SHORT STRING 113 5 Char 5 V6 XX 0x30 0x08 DeviceNet Hardware Revision Level 0x0E SHORT STRING 113 7 Char 1 C 0x30 0x09 Manufacturer s Serial Number 0x0E SHORT STRING 113 3 Char 20 Unique serial nr for BHT instruments 0x30 0x0A Device Configuration 0x0E SHORT STRING 113 4 Char 16 Manufacturer configuration 0x30 0x0B Device Status 0x0E USINT 0x30 0x0C Exception Status 0x0E BYTE 0x30 0x0D Exception Detail Alarm 0x0E STRUCT 0x30 0x0E Exception Detail Warning 0x0E STRUCT 0x30 0x0F Alarm Enable 0x0E 0x10 BOOL 0 1 0x30 0x10 Warning Enable 0x0E 0x10 BOOL 0 1 0x30 0x13 Last Maintenance Date 0x0E DATE 113 11 Char 8 Service date 0x30 0x17 Running Hours 0x0E UDINT 118 2 0 65535 0x30 0x64 Init Mode 0x0E 0x10 USINT 0 10 0 64 73 82 0x30 0x65 Monitor 0x0E 0x10 USINT 115 2 0 measure setpoint 0x30 0x66 Def
29. 1 Representation All of the above attributes in the tables from Table 2 1 to Table 2 16 can be accessed using Explicit Messaging Upon existence of an explicit connection a Polled I O connection can also be established and coexist Once the Polled I O connection has been established the device will be able to accept and process the Polled I O requests For example if Instance 7 has been selected as Output IO Assembly Instance two data bytes representing the new setpoint shall be appended to the Polled I O request for setting a setpoint If the Data Unit attribute were 0x1001 as the code for Counts the value of the setpoint bytes will be an signed integer where 0x7D00 represents 100 flow and 0x0000 represents 0 flow Upon reception of the Polled I O Request if Instance 2 has been selected as Input IO Assembly Instance the DeviceNet MFC will respond with a Polled I O Response carrying with it three data bytes as described below Polled I O Response s Data Field using Counts as Data Unit Byte0 Exception Status Byte1 Indicated Flow LSB Byte2 Indicated Flow MSB BYTE INT 0x7D00 100 Polled I O Request s Data Field using Counts as Data Unit Byte0 New Setpoint LSB B
30. 3 6 S Analog Actuator Object 15 3 3 7 S Single Stage Controller Object 16 3 3 8 S Gas Calibration Object 17 3 3 9 Elementary data Types 18 3 4 POLLED I O 19 3 4 1 Representation 19 3 5 DEVICE CONFIGURATION 21 3 5 1 Available data combinations for Polled I O 21 3 5 2 Available parameter data 21 4 OBJECT DESCRI
31. 50m 250m 100m 500k bit s 75m 100m 100m 100m 2 5 DROP LINES WITH DEVICENET The cumulative drop line length refers to the sum of all drop lines thick thin or mid cable in the cable system This sum cannot exceed the maximum cumulative length allowed for the data rate used Data rate Cumulative drop line length 125k bit s 156m 250k bit s 78m 500k bit s 39m The maximum cable distance from any device on a branching drop line to the trunk line is 6m 2 6 NETWORK TERMINATION You must terminate the trunk line at both ends with 121 Ohms 1 1 4W terminating resistors 2 7 POWER SUPPLY The cable system requires the power supply to have a rise time of less than 250 milliseconds to within 5 of its rated output voltage You should verify the following The power supply has its own current limit protection Fuse protection is provided for each segment of the cable system Any section leading away from a power supply must have protection The power supply is sized correctly to provide each device with its Required power De rate the supply for temperature using the manufacturer s guidelines Use the power supply to power the DeviceNet cable system only If
32. EAM D 6300 EtherCAT interface Document 9 17 063 BRONKHORST Page 7 DeviceNet interface 9 17 026 1 4 SHORT FORM START UP All necessary settings for this module are already performed at Bronkhorst To follow next steps carefully is the quickest way to get this module operational in your own DeviceNet environment START Master present Load EDS Make sure your master has been installed to the DeviceNet system Load EDS file with configuration tool Copy bitmaps Bitmaps with flow controllers can be copied in the proper directory mostly automatic sometimes by hand depends on program Add slave to DeviceNet system Select Bronkhorst meter controller and add new instrument to the bus Set device configuration Set parameter data Set parameter data for a cyclic setting of parameter values Set MAC ID and baud rate of instrument Default instruments will be delivered to customers on address 63 and with a baud rate of 125000 baud Normally setting an address can be performed by your master configuration software However if you choose to set a station address off line you can use the programme FLOWFIX to change MAC ID and baud rate via RS232 connec
33. Instruction manual DeviceNet slave interface for digital multibus Mass Flow Pressure instruments Doc no 9 17 026T Date 19 05 2015 ATTENTION Please read this instruction manual carefully before installing and operating the instrument Not following the guidelines could result in personal injury and or damage to the equipment Head Office Nijverheidsstraat 1a NL 7261 AK Ruurlo The Netherlands Tel 31 573 458800 info bronkhorst com BRONKHORST Page 2 DeviceNet interface 9 17 026 Disclaimer Even though care has been taken in the preparation and publication of the contents of this manual we do not assume legal or other liability for any inaccuracy mistake mis statement or any other error of whatsoever nature contained herein The material in this manual is for information purposes only and is subject to change without notice Bronkhorst High Tech B V July 2011 Symbols Important information Discarding this information could cause injuries to people or damage to the Instrument or installation Helpful information This information will facilitate the use of this instrument Additional info available on the internet or from your local sales representative Warranty The prod
34. Net instruments offer many available attributes parameters for operation of the instruments These attributes parameters can be selected by means of the master configuration tooling software after loading the EDS file BHT_DMFC EDS After installing the slave to the DeviceNet system point to actual slave and select Device Configuration In the first table all available data types for polled I O are listed Select those instrument variables you want to use The selected connections will be displayed in the second table An example BRONKHORST Page 32 DeviceNet interface 9 17 026 8 SLAVE PARAMETER SETTINGS If you want to give your instrument specific values for certain parameters at start up you can do this by means of parameter settings In your master configuration tool in the Device Configuration menu select Parameter data All available parameters will become visible Selecting double clicking on the value enables you to add Available Parameters to Customise Parameters E g Parameter fluid number will be default 1 but when added to Customised Parameter it can be changed into another value Example Parameter Polled I O input and Polled I O o
35. Outp IO attr 0x30 1 103 Current Assembly Instance Output 1 BRONKHORST Page 28 DeviceNet interface 9 17 026 4 8 SERIAL NUMBER The DeviceNet serial number attribute 6 of Identity object must be unique in combination with the Vendor id In our implementation this number is calculated from the Bronkhorst serial number string propar process 113 parameter 3 Layout serial number string AB2 NNP Meaning AB year A M year 2000 2099 B 0 99 year modulo 100 2 always 2 indicates that an order has been received order number of 4 or 5 digits 0000 to 9999 or 00000 to 99999 NN optional code of 1 or 2 letters for example A B or AA etc A 0 B 1 Z 25 AA 26 AZ 51 IV 255 P optional sequence number 0 to 9 NN and P are optional and may be omitted in that case they are assumed to be 0 Computation of DeviceNet serial number 0x01 1 6 UDINT The DeviceNet serial number is computed as follows value range bits a year 2000 0 19 5 b order number 0 52427 c sequence number 0 9 bc order numbe
36. PTION 22 4 1 SUPERVISOR OBJECT 22 4 1 1 FLOW BUS interfacing via RS232 22 4 1 2 I O assembly instances selection 22 4 1 3 Exception Status 23 4 2 SINGLE STAGE CONTROLLER 23 4 2 1 Control mode 23 4 2 2 Setpoint 24 4 3 ANALOG SENSOR OBJECT 25 4 3 1 Sensor value
37. SS ATTRIBUTES Instance 0 GAS CALIBRATION OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x34 0x02 Max Instance1 0x0E UINT 8 1 This is the total number of process gases currently calibrated for the device GAS CALIBRATION OBJECT S INSTANCE ATTRIBUTES Instance 1 8 GAS CALIBRATION OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x34 0x01 Number of attributes 0x0E USINT 6 0x34 0x02 Attribute List 0x0E Array of USINT 0x34 0x03 Gas Standard number 0x0E UINT see list from SEMI 0x34 0x04 Valid Sensor instance 0x0E UINT 1 0x34 0x05 Gas Symbol 0x0E SHORT STRING 1 17 Char 10 fluidname 0x34 0x06 Full Scale 0x0E STRUCT Full scale capacity REAL capacity unit UINT 0x34 0x08 Calibration Date 0x0E DATE 113 9 Char 8 1 The gas calibration is formed by a 3rd grade polynomial y a bx cx dx This polynomial will perform linearization to achieve the wanted accuracy Up to 8 polynomials can be stored for different fluids Each fluid has its own instance 1 8 GAS CALIBRATION OBJECT SERVICES GAS CALIBRATION OBJECT
38. ance for output data comb polled I O 3 Control mode sets controller to idle valve off purge or normal setpoint 4 Setpoint ramp rate msec sets ramp rate of setpoint from 0 3000000 msec 5 Fluid number selects wanted calibration fluid nr 1 8 6 Alarm switches alarms on or off 7 Alarm delay msec sets alarm delay time in range 0 65000 msec Parameter Polled I O input and Polled I O output must always be set to the correct value This will select the data combination for Polled I O IO Assembly Instance If it is not possible to start communication with the device always check these two settings BRONKHORST Page 22 DeviceNet interface 9 17 026 4 OBJECT DESCRIPTION 4 1 SUPERVISOR OBJECT 4 1 1 FLOW BUS interfacing via RS232 To enable controlling the device by RS232 a new control mode has been added CTRL_RS232 18 This control mode is equal to CTRL_FB 0 but in this case the device will always make the transition to the EXECUTING state no start request or receipt of I O data needed So CTRL_RS232 makes it possible to give setpoints without the need of a DeviceNet connection The device will o
39. ata type and data unit can only be changed when not in executing mode The followings data units are supported dependent on sensor type actual sensor type can be found in calibration sheet Sensortype Supported units 0 pressure 0x1001 counts 0x1007 percentage not for Sensor value 0x1300 psi 0x1301 Torr 0x1303 mm Hg 0x1305 cm H2O 0x1307 bar 0x1308 mbar 0x1309 Pa 0x130A kPa 0x130B atm 0x130C gf cm2 0x0800 cm Hg 0x0801 kgf cm2 1 liq Volume 0x1001 counts 0x1007 percentage not for Sensor value 0x0900 l min 0x0901 ml h 0x0902 ml min 0x0903 l h 0x0904 mm3 s 0x0905 cm3 min 2 mass flow 0x1001 counts 0x1007 percentage not for Sensor value 0x1404 kg s 0x140E mg min 0x140F g min 0x1410 kg h 0x0A00 kg min 0x0A01 g h 0x0A02 g s 0x0A03 mg h 0x0A04 mg s 3 gas volume 0x1001 counts 0x1007 percentage not for Sensor value 0x1400 sccm 0x1401 slm 0x0B00 ln min 0x0B01 mln h 0x0B02 mln min 0x0B03 ln h 0x0B04 m3n h 0x0B05 mls min 0x0B06 mls h 0x0B07 ls h 0x0B08 m3s h 0x0B09 ls min 4 other 0x1001 counts 0x1007 percentage not for Sensor value 5 temperature 0x1001 counts 0x1007 perc
40. ault_Inp_IO_Assembly_Inst 0x0E 0x10 USINT 0x30 0x67 Default_Outp_IO_Assembly_Inst 0x0E 0x10 USINT Device status Attribute value State 0 Undefined 1 Self testing 2 Idle 3 Self test Exception 4 Executing 5 Abort 6 Critical fault 7 50 Reserved by CIP 51 99 Device specific 100 255 Vendor specific Exception Status Bit Exception status bit map Bit 7 set to 0 Function State 0 Device specific definition Alarm device common 1 Alarm device specific 2 Alarm manufacturer specific 3 reserved set to 0 4 Warning device common 5 Warning device specific 6 Warning manufacturer specific 7 0 basic method 1 Expanded Method BRONKHORST Page 14 DeviceNet interface 9 17 026 SUPERVISOR OBJECT SERVICES SUPERVISOR OBJECT SERVICE CODE SERVICE NAME SERVICE DESCRIPTION 0x30 0x05 Reset Resets the device to the Self Testing state 0x30 0x06 Start Starts the device execution by moving the device to the Executing state 0x30 0x07 Stop Moves the device to the Idle state 0x30 0x0E Get_Attribute_Single Returns the contents of the specified attribute 0x30 0x10 Set_Attribute_S
41. ction the configuration software uses this section to generate a dialog box where the user can enter instrument parameters for customising see paragraph 2 5 2 After starting up your master configuration software this EDS file should be load import copied This is needed only once until a eventual next revision from the file BRONKHORST Page 30 DeviceNet interface 9 17 026 6 ADD SLAVE TO DEVICENET In next paragraphs some example screens will be showed of a master configuration tool to explain how to install a Bronkhorst meter controller DeviceNet slave The tool used for this purposes is Sycon V2 6 2 from Hilscher G m b H For other master configuration software tools the working will be almost the same because DeviceNet is a standardised field bus system Read the user manual carefully for correct operation of other programs than Sycon In your master configuration software select Insert Device Select Bronkhorst meter controller and evt press Add AN EXAMPLE OF THIS PROCEDURE CAN BE FOUND BELOW BRONKHORST Page 31 DeviceNet interface 9 17 026 7 SLAVE CONFIGURATION SETTINGS Bronkhorst Device
42. d number 26 4 5 2 Gas Symbol 26 BRONKHORST Page 4 DeviceNet interface 9 17 026 4 6 NETWORK ERROR DETECTION 26 4 7 BUS DIAGNOSTICS 27 4 8 SERIAL NUMBER 28 5 EDS FILE 29 6 ADD SLAVE TO DEVICENET 30 7 SLAVE CONFIGURATION SETTINGS 31 8 SLAVE PARAMETER SETTINGS
43. entage not for Sensor value 0x1200 deg C 0x1201 deg F 0x1202 K The following data types are supported 0xC3 int 0xCA real BRONKHORST Page 25 DeviceNet interface 9 17 026 4 3 ANALOG SENSOR OBJECT 4 3 1 Sensor value See Setpoint attribute of Single stage controller above 4 3 2 Alarm enable Attribute Alarm enable of Analog Sensor object is linked to propar 97 3 Alarmmode FLOW BUS Devicenet Alarmmode Alarm enable proc 97 par 3 obj 0x31 attr 8 ALRM_OFF ALRM_RESPONSE ALRM_POWERFAILURE 0 off ALRM_MINMAX 1 on When 0 is written to Alarm enable attribute the internal alarm mode is always set to ALRM_OFF The modes ALRM_RESPONSE and ALRM_POWERFAILURE can be set by RS232 not by DeviceNet More information can be found in the manual 917023 Operational instructions digital instruments This document can be found at http www bronkhorst com en downloads instruction_manuals 4 3 3 Alarm Trip Points Alarm_Trip_Point_Low attribute is linked to propar 97 2 Min limit Valid range is 0 32000 Alarm_Trip_Point_High attribute is linked to propar 97 1 Max limit Valid range is 0 32000 A value outside the
44. eter 20 can be used to retrieve a string with bus diagnostics This zero terminated string contains 13 bytes of data and is described below Layout bus diagnostics string for DeviceNet Byte field Description Diagnostic values Explanation Length 0 ces_state 0 error active CAN error state 1 1 error passive 2 bus off 1 ces_event 0 no events always 0 CAN error state event 1 2 nas_state 0 on line Network access state 1 1 waiting for dup MAC ID check message 2 sending dup MAC ID check message 3 non existent 4 communication fault 3 nas_event 0 duplicate MAC ID check req resp not received num_reties 1 Network access state 1 1 duplicate MAC ID check req resp not received num_reties 0 2 duplicate MAC ID check request received 3 duplicate MAC ID check response received 4 powerup reset 5 bus off detected 4 sos_state 0 executing duplicate MAC ID check req resp not received num_reties 1 1 1 idle 2 abort 3 self testing 4 self test exception 5 critical fault 5 sos_event 0 receipt of first valid IO data Supervisor object state event 1 1 IO connection timeout 2 IO connection deleted 3 start request
45. examples Example 1 ClassId 0x31 Data type 0xC3 Data unit 0x01 0x10 Signed Integer Count Indicated flow Example 2 ClassId 0x31 Data type 0xC3 Data unit 0x00 0x14 Signed Integer SCCM Indicated flow Example 3 ClassId 0x31 Data type 0xCA Data unit 0x01 0x10 Single precision floating point Count Indicated flow Example 4 ClassId 0x31 Data type 0xCA Data unit 0x00 0x14 Single precision floating point SCCM Indicated flow Example 5 ClassId 0x33 Data type 0xC3 Data unit 0x01 0x10 Signed Integer Count Setpoint Example 6 ClassId 0x33 Data type 0xC3 Data unit 0x00 0x14 Signed Integer SCCM Setpoint Example 7 ClassId 0x33 Data type 0xCA Data unit 0x01 0x10 Single precision floating point Count Setpoint Example 8 ClassId 0x33 Data type 0xCA Data unit 0x00 0x14 Single precision floating point SCCM Setpoint For Polled I O messages only Data type can be selected The Data unit attribute will be automatically set when Polled I O is started on receipt of the first Polled I O Request s Data The Data unit setting will be determined by the selected IO Assembly Instance see paragraph 2 5 1 Available data combinations for Polled
46. he switch and it is not on the P position the instrument will respond with error status code 0E Attribute not settable if by software is tried to change the address BRONKHORST Page 34 DeviceNet interface 9 17 026 9 2 VIA DEVICENET 9 2 1 MAC ID MAC ID can be changed by writing to attribute 1 of the DeviceNet Object Object 0x03 The MAC ID must be in the range of 0 63 and will be stored in non volatile memory 9 2 2 BAUD Rate BAUD Rate can be changed by writing to attribute 2 of the DeviceNet Object Object 0x03 The BAUD Rate code must be in the range of 0 2 and will be stored in non volatile memory The following table describes the actual BAUD Rate that corresponds to the BAUD Rate code stored in attribute 2 Value attribute 2 BAUD Rate 0 125K 1 250K 2 500K The normal way to change MAC ID Point to the actual slave in your master configuration tool and select online Set Device Attribute Give correct new address at Value and press Set This is the common way to Set or Get Attribute values of a device Look for correct Class Instance and Attribute in the tables at chapter 2 Example Re address action can be checked using the op
47. ibute value 0x31 0x4B Zero Adjust Start Autozero 3 3 6 S Analog Actuator Object Class Code 32 HEX The S Analog Actuator Object models the interface to a physical actuator in a device ANALOG ACTUATOR OBJECT S INSTANCE ATTRIBUTES Instance 1 ANALOG ACTUATOR OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x32 0x01 Number of Attributes 0x0E USINT 7 0x32 0x02 Attribute List 0x0E Array of USINT 0x32 0x03 Data Type 0x0E 0x10 USINT 0xC3 INT 0xCA REAL 0x32 0x04 Data Units 0x0E 0x10 UINT 0x1001 counts 0x1007 0x32 0x05 Override 0x0E 0x10 USINT 0x32 0x06 Actuator Value valve 0x0E 0x10 INT or REAL1 114 1 See attribute 3 and 4 For data unit counts the value attribute will be in the range of 0 32767 Where 0 valve closed 32767 valve fully open 0x32 0x07 Status 0x0E BYTE always 0 0x32 0x15 Safe State 0x0E 0x10 USINT 0x32 0x16 Safe Value 0x0E 0x10 INT 114 6 1 Depends on the value assigned to the Data Type attribute If the value of this attribute is 0xC3 the selected data type is Integer and if the value of this attribute
48. ical link Failure On red Failed communication device The device has detected an error that has rendered it incapable of communicating on the network Duplicate MAC ID or bus off Module status LED MOD No power Off There is no power applied to the device Device operational On green The device is operating in normal condition Device in Standby The device needs commissioning Flashing green 0 5 sec on 0 5 sec off The device needs commissioning due to configuration missing incomplete or incorrect The device may be in the standby state Unrecoverable fault On red The device has an unrecoverable fault may need replacing Device self testing Flashing red green 0 5 sec on 0 5 sec off The device is in self test Module and status LED s sequence at power up Network LED NET off Module LED MOD green 0 25 sec Module LED MOD red 0 25 sec Module LED MOD green Network LED NET green 0 25 sec Network LED NET red 0 25 sec Network LED NET off More information can be found in the manual
49. ill indicate the tens of the address with green flashes and the units with red flashes For baud rate indication both LED s will flash See document 9 17 023 for a detailed description This document can be found at http www bronkhorst com en downloads instruction_manuals BRONKHORST Page 37 DeviceNet interface 9 17 026 10 DOWNLOAD TO MASTER When needed baud rate for the master can be changed at Settings Bus parameter See example When slave has been installed and all settings are done the configuration has to be downloaded to the master Point to actual master and select online download When this is ready from that moment on there will be data exchange between master and slave The green LED on the instrument will stop blinking and will go on continuously when data exchange is O K Example BRONKHORST Page 38 DeviceNet interface 9 17 026 Data exchange between master and slaves can be checked with Sycon by selecting online start debug mode When everything is O K the screen looks like this Note It is possible that your master configuration software does not support this
50. ingle Modifies an attribute value 0x30 0x4B Abort Moves the device to the Abort state 0x30 0x4C Recover Moves the device out of the Abort state 0x30 0x4E Perform_Diagnostics Causes the device to perform a set of diagnostic routines 3 3 5 S Analog Sensor Object Class Code 31 HEX The S Analog Sensor Objects models the acquisition of a reading from a physical sensor in a device ANALOG SENSOR OBJECT S INSTANCE ATTRIBUTES Instance 1 ANALOG SENSOR OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x31 0x01 Number of Attributes 0x0E USINT 12 0x31 0x02 Attribute List 0x0E Array of USINT 0x31 0x03 Data Type 0x0E 0x10 USINT 0xC3 INT 0xCA REAL 0x31 0x04 Data Unit 0x0E 0x10 UINT 0x1001 counts 0x1400 sccm etc 0x31 0x05 Reading Valid 0x0E BOOL 0 invalid 1 valid 0x31 0x06 Sensor Value 0x0E INT or REAL1 1 0 see attribute 3 and 4 For data unit counts the value attribute will be in the range of 0 32767 where 0 no flow pressure 32000 max flow pressure 100 0 32767 max flow pressure 102 4 Note 32767 is max flow for data type INT Max flow REAL 41943 04 131 07
51. l 4 2 3 5 1 A coded BRONKHORST Page 9 DeviceNet interface 9 17 026 2 3 DEVICENET CABLES AND T PARTS M12 cable M12 termination resistor T part T part wiring 2 4 MAXIMAL CABLE LENGTHS WITH DEVICENET The DeviceNet cable system uses a trunk drop line topology Round shielded cable thick mid and thin contains five wires One twisted pair red and black for 24V dc power one twisted pair blue and white for signal and a drain wire bare Flat cable contains four wires One pair red and black for 24 dc power one pair blue and white for signal Unshielded 4 wire drop cable is only designed for use with flat cable systems BRONKHORST Page 10 DeviceNet interface 9 17 026 The distance between any two points must not exceed the maximum cable distance allowed for the data rate used Data rate Maximum distance flat cable Maximum distance thick cable Maximum distance mid cable Maximum distance thin cable 125k bit s 420m 500m 300m 100m 250k bit s 200m 2
52. l Scale Polled I O Request s Data Field using SCCM as Data Unit Byte0 New Setpoint LSB Byte1 New Setpoint MSB INT 0 to Full Scale The tables above show some examples of the Polled I O setting There are eight 8 IO Assembly Instances that the user can choose from 4 for input and 4 for output These instances are specified in the MFC Device Profile document See next paragraph for more details 100 Measured Value indication for Bronkhorst instruments is 0x7D00 signed integer Maximum value for Measured Value is 102 4 which is 0x7FFF Other suppliers may use different ranges for Measured Value Via Full Scale attribute 0x0A of object 0x31 analog sensor it is possible to readout the signed integer value used for 100 BRONKHORST Page 20 DeviceNet interface 9 17 026 Furthermore with the use of the Data type attribute 0x03 and Data unit attribute 0x04 of the Sensor object 0x31 and the Controller object 0x33 the user can select one of the following settings for both Explicit and Polled I O messages see paragraph 3 2 2 for a complete list of supported data units the settings below are just a few
53. nly be compliant with the ODVA profile when control mode is CTRL_FB 0 In case of taking over control via RS232 it is possible to send value 18 to parameter Control Mode FLOW BUS proc1 par4 or FLOWDDE parameter 12 From this moment on it will be possible to give setpoints without being overruled by the safe state This control mode will be valid until the next power up situation Control mode 18 will not be stored into non volatile memory At each power up the instrument will be normally set to control mode 0 The safe state is active when the device is not in the EXECUTING state The functionality of the RS232 FLOW BUS Control Mode parameter is not the same as the Control Mode attribute in the Single State Controller Object attribute 0x05 object 0x33 4 1 2 I O assembly instances selection Attribute 0x66 and 0x67 can be used to select the I O assembly instances used for the Polled I O connection see also Polled I O input output parameters in EDS file Devicenet Input I O assembly obj 0x30 attr 102 instance 0 2 1 6 2 14 3 18 Devicenet Output I O assembly obj 0x30 attr 103 instance 0 7 1 8 2 19 3 20 BRONKHORST Page 23
54. onkhorst com Do you have any questions about our products Our Sales Department will gladly assist you selecting the right product for your application Contact sales by e mail sales bronkhorst com For after sales questions our Customer Service Department is available with help and guidance To contact CSD by e mail support bronkhorst com No matter the time zone our experts within the Support Group are available to answer your request immediately or ensure appropriate further action Our experts can be reached at 31 573 45 88 39
55. ps 5 500kbps P Programmable mode If the switch is set to P the baud rate is software programmable During instrument initialisation the DATA RATE switch is read If the switch specifies one of the valid data rates i e 125 250 500Kbaud this value is used If the specified data rate differs from the value stored in the instrument the new data rate is saved in memory If the switch specifies the programmable mode the value stored in the instrument s memory will be used as the data rate 9 1 2 NODE ADDRESS 00 63 PGM With the NODE ADDRESS switch the MAC ID can be set The MSD is the high part of the decimal number and the LSD the low part For instance address 25 means MSD on 2 and LSD on 5 The default address is 63 During instrument initialisation the node address switches are read If the switches specify a valid DeviceNet MAC ID i e a value from 0 to 63 this value is used If the specified MAC ID differs from the value stored in the instrument the new MAC ID is saved in memory If the switches specify an invalid DeviceNet MAC ID i e a value greater than 63 the value stored in the instrument s memory will be used as the MAC ID If the address is set by t
56. r 10 sequence number 0 524279 19 d code 0 255 8 The DeviceNet serial number is computed by bitwise concatenating of a bc and d This will result in a 32 bits value Note when the serial number string is not filled in according to the above template the resulting DeviceNet serial number will not be unique anymore BRONKHORST Page 29 DeviceNet interface 9 17 026 5 EDS FILE To assist users in configuring the Polled I O communication an Electronics Data Sheet EDS file will be provided Each type DeviceNet instrument should have its own EDS file with instrument specifications to tell the master configuration software which facilities features the instruments slaves offer to the master For Bronkhorst meter controller the file is called BHT_DMFC EDS This file is available on the Multibus documentation software tool CD This EDS file is a text file containing Identification info Model name Bronkhorst meter controller Vendor name Bronkhorst High Tech B V Vendor ID 706 Setting info IO Characteristics section contains available polled I O combinations IO Assembly Instances Parameter se
57. t of several objects with attributes and services for interfacing to DeviceNet These objects are described below The DeviceNet Mass Flow Controller will be in Idle state after powered on or reset In this state the device will not allow the Master to use the Setpoint Attribute to control gas flow Instead gas flow will be controlled by the value previously set in the Analog Actuator Object s Safe State Attribute and Safe Value Attribute For instance if the Safe State Attribute had a value 0x03 which is the code for Use Safe Value then the device will set the actuator valve according to the value previously stored in the Analog Actuator Object s Safe Value Attribute To be able to control the flow the Master device must send a Start request to the supervisor object of the Mass Flow Controller The Start request brings the device from Idle state to Executing state In this state the device will be executing new setpoints received from the Master and then control the flow accordingly Another way to bring the device in the Executing state is by sending I O data Polled I O 3 3 EXPLICIT MESSAGING Using explicit messaging following tables are needed with the descriptions of DeviceNet
58. tative Button LED s on top of the instrument Rotary switches on the side of the instrument if present 1 Bronkhorst This includes Bronkhorst High Tech B V Bronkhorst Cori Tech B V and M W Instruments GmbH 1 2 MULTIBUS TYPES In 2000 Bronkhorst developed their first digital instruments according to the multibus principle The basic pc board on the instrument contained all of the general functions needed for measurement and control including alarm totalizing and diagnostic functions It had analog I O signals and also an RS232 connection as a standard feature In addition to this there is the possibility of integrating an interface board with DeviceNet Profibus DP Modbus FLOW BUS or EtherCAT protocol The first generation MBC I was based on a 16 bit Fujitsu controller It was superseded in 2003 by the Multibus type 2 MBC II This version was also based on the 16 bit Fujitsu controller but it had several improvements to the MBC I One of them is the current steering of the valve It reduced heat production and improved control characteristics The latest version Multibus controller type 3 MBC3 is introduced in 2011 It is build around
59. te_Single Modifies an attribute value 0x03 0x4B Allocate M S connection set Requests the use of the Predefined Master Slave connection set 0x03 0x4C Release M S connection set Release Master Slave connection set 3 3 3 Connection Objects Class Code 05 HEX Use the Connection Object to manage the characteristics of a communication connection CONNECTION OBJECT S INSTANCE ATTRIBUTES Instance 1 CONNECTION OBJECT ATTRI BUTE ATTRIBUTE NAME SERVICE CODE DATA TYPE FLOW BUS Comment 0x05 0x01 State 0x0E USINT 0x05 0x02 Instance Type 0x0E USINT 0x05 0x03 Transport Class Trigger 0x0E BYTE 0x05 0x04 Produced Connection ID 0x0E UINT 0x05 0x05 Consumed Connection ID 0x0E UINT 0x05 0x06 Initial Comm Characteristics 0x0E BYTE 0x05 0x07 Production Connection Size 0x0E UINT 0x05 0x08 Consumption Connection Size 0x0E UINT 0x05 0x09 Expected Packet Rate 0x0E 0x10 UINT 0x05 0x0C Watchdog Time out Action 0x0E 0x10 USINT 0x05 0x0D Produced Connection Path Length 0x0E UINT 0x05 0x0E Produced Connection Path 0x0E 0x10 EPATH 0x05 0x0F Consumed Connection Path Length 0x0E
60. tion Live list This gives an overview of all devices connected to a DeviceNet segment BRONKHORST Page 35 DeviceNet interface 9 17 026 The menu option Global State field can also be used to give an overview of connected devices 9 3 VIA RS232 FLOWFIX Off line via the RS232 communication port by means of a special tooling program called FlowFix FlowFix is a tool for multi bus instruments which can be used for all field busses enabling the user to Change station address MAC ID Read and evt change baud rate depends on field bus system Make a service log file to be send to Bronkhorst in case of trouble Connect your Bronkhorst meter controller DeviceNet slave instrument to a free COM port using the special cable with on one side a T part with male and female sub D 9 connectors and on the other side a female sub D 9 connector The single sub D 9 connector should be connected to your COM port and the female sub D 9 of the T part to the male sub D 9 of the instrument Standard cables are approx 3 meters Maximum length between PC and instrument allowed is approx 10 meters Start up FlowFix exe and select COM port
61. tion MAC ID and baud rate can also be changed by using the button on top of the instrument or the rotary switches on the side of the instrument if present See chapter 8 for more details Download configuration Download all configuration settings into your master Test data exchange Test data exchange communication between your master and the instrument s Ready BRONKHORST Page 8 DeviceNet interface 9 17 026 2 FIELD BUS INSTALLATION 2 1 GENERAL This chapter introduces the DeviceNet cable system and provides a brief overview of how to set up a DeviceNet network efficiently The steps in this chapter describe the basic tasks involved in setting up a network For the installation of DeviceNet ODVA has created a document which can be found in the DeviceNet library PUB00027R1_Cable_Guide_Print_Copy pdf 2 2 DEVICENET CONNECTOR Bronkhorst instruments are fitted with a micro style sealed M12 connector M12 Connector Male Female nr Color Wire Identity Usage Round 1 Bare Drain shield 2 RED V 24Vdc power 3 Black V 0Vdc power 4 White CAN_H CAN signal 5 Blue CAN_L CAN signa
62. ucts of Bronkhorst High Tech B V are warranteed against defects in material and workmanship for a period of three years from the date of shipment provided they are used in accordance with the ordering specifications and the instructions in this manual and that they are not subjected to abuse physical damage or contamination Products that do not operate properly during this period may be repaired or replaced at no charge Repairs are normally warranted for one year or the balance of the original warranty whichever is the longer See also paragraph 9 of the Conditions of sales http www bronkhorst com files corporate_headquarters sales_conditions en_general_terms_of_sales pdf The warranty includes all initial and latent defects random failures and undeterminable internal causes It excludes failures and damage caused by the customer such as contamination improper electrical hook up physical shock etc Re conditioning of products primarily returned for warranty service that is partly or wholly judged non warranty may be charged for Bronkhorst High Tech B V or affiliated company prepays outgoing freight charges when any party of the service is performed under warranty unless otherwise agreed upon beforehand However if the product
63. utput must always be set to the correct value This will select the data combination for Polled I O IO Assembly Instance This data combination must be the same as the selected data combination in the Device Configuration dialog box BRONKHORST Page 33 DeviceNet interface 9 17 026 9 CHANGING MAC ID AND BAUD RATE When you have installed your Bronkhorst meter controller DeviceNet slave and made right settings for device configuration and parameter data you can give your instrument the MAC ID you want Default instruments will be delivered with MAC ID 63 This MAC ID has been agreed by the DeviceNet organisation to be free for installing new devices to the bus Changing the MAC ID can be performed in different ways 9 1 VIA ROTARY SWITCHES ON THE SIDE OF THE INSTRUMENT IF PRESENT On the side of the instrument are rotary switches placed and a label with the explanation of the switches Make sure to use a screwdriver which is suited for the switches The switches have the following function 9 1 1 DATA RATE With the DATA RATE switch the baud rate of the instrument can be set Data rate BAUD Rate 1 125kbps default 2 250kb
64. valid range is rounded to the nearest value within the range Note that the Trip Point values are dependent on the selected data types units For the maximum value the following mapping is used FLOW BUS DeviceNet Max limit Alarm Trip Point High proc 97 par 1 obj 0x31 attr 17 0 off 32000 1 0 32000 31999 4 3 4 Gas calibration object instance Indicates which Gas Calibration object instance is active for this object The value of this attribute is equal to fluidnumer 1 Value 0 disabled is not supported 4 4 ANALOG ACTUATOR OBJECT INSTANCE 4 4 1 Actuator value The followings data units are supported 0x1001 counts 0 valve closed 32767 valve fully open 0x1007 percent 0 valve closed 100 valve fully open The following data types are supported 0xC3 int 0xCA real BRONKHORST Page 26 DeviceNet interface 9 17 026 4 4 2 Override The Override attribute is implemented as follows Override Value to Valve 0 Normal set by attribute 6 Actuator Value 1 Close 0 2 Open max value 3 Hold last used value 4 Safe state See section 4 4 3 4 4 3 Safe state In the following table the implemented
65. values of the Valve output are shown Mapping Safe state Safe state Value to Valve 0 zero off 0 1 full scale on max value 2 hold last value last used value 3 use safe value Safe value obj 0x32 attr 0x16 4 5 GAS CALIBRATION OBJECT INSTANCE 4 5 1 Gas standard number The retrieval of the gas standard number is implemented as follows the first 2 characters of the fluid name are interpreted as a decimal number This number is returned as the gas standard number 4 5 2 Gas Symbol The fluid name is returned as the Gas Symbol 4 6 NETWORK ERROR DETECTION When a network error is detected while the device is in Executing state it is set back to the Idle or Critical Fault state In those states the valve is set to the Safe state see attribute Safe State in Analog Actuator object When the device detects that no bus power is available the network is closed and no communication is started until the bus power is detected again Such errors are shown by the LED s on the instrument See the chapter Troubleshooting BRONKHORST Page 27 DeviceNet interface 9 17 026 4 7 BUS DIAGNOSTICS A propar FLOW BUS variable process 125 param
66. yle MBC DeviceNet pdf document 9 16 060 Hook up diagram industrial style MBC DeviceNet pdf document 9 16 054 Hook up diagram CORI FLOW DeviceNet pdf document 9 16 050 Hook up diagram LIQUI FLOW L30 digital DeviceNet pdf document 9 16 071 1 3 3 Software tooling Flowfix FlowDDE EDS file All these documents can be found at http www bronkhorst com en downloads RS232 interface with FLOW BUS protocol Modbus interface DeviceNet interface PROFIBUS DP interface FLOW BUS interface Operational instructions for digital multibus Mass Flow Pressure instruments Bronkhorst High Tech General instructions digital Mass Flow Pressure Bronkhorst Cori Tech General instructions CORI FLOW Bronkhorst Cori Tech General instructions mini CORI FLOW Bronkhorst High Tech General instructions digital LIQUI FLOW L30 Document 9 17 022 Document 9 17 050 Document 9 17 044 Document 9 17 023 Document 9 17 024 Document 9 17 025 Document 9 17 026 Document 9 17 035 Document 9 17 027 General instructions Instrument type based Operational instructions Field bus specific information Document 9 17 031 M W Instruments Instruction manual MASS STR
67. yte1 New Setpoint MSB INT 0x7D00 100 Note that if Counts has been selected for the Data Unit attribute of the Analog Sensor and Controller object i e the value of these attributes is 0x1001 then the Indicated Flow bytes in the Polled I O Response represent the same information as that of the New Setpoint bytes in the Polled I O Request i e 0x0000 represents 0 flow and 0x7D00 represents 100 flow However if the Data Unit attribute of the Sensor and the Setpoint object are 0x1400 the value of the indicated flow and setpoint will be in Standard Cubic Centimeter SCCM Note that the setpoint and the indicated flow can be set with different data unit i e Counts for Setpoint and SCCM for Indicated flow or vice versa Since the Indicated flow and Setpoint attribute are integer if used in SCCM mode the value of these attribute can not exceed 32767 SCCM Therefore the SCCM mode shall not be used for MFCs having gases with the full scale exceeding 32767 SCCM or having the Full scale loaded with SLM data unit Polled I O Response s Data Field using SCCM as Data Unit Byte0 Exception Status Byte1 Indicated Flow LSB Byte2 Indicated Flow MSB BYTE INT 0 to Ful

9.17.026 - Bronkhorst High

Contents

Download Pdf Manuals

Related Search

Related Contents