Dwyer UXF3 Manuel d'utilisateur

Robert ThompsonFIXED TYPE ULTRASONIC FLOWMETERCOMMUNICATION FUNCTIONSTYPE: UXF3Instruction Manual Dwyer Instruments, Inc.Bulletin F-107-UXF3-S

- 6 - 3.2.2 RS-232C interface 15 m or less Master(PC) Slave(UXF3)CD 1 4 TXD RXD 2 3 RXD TXD 3 2 GND DTR 4 1 DI1 GND 5 DSR 6 RTS 7 CTS 8 CI 9

- 7 - 4.SETTING OF COMMUNICATION CONDITIONIn order that the master station and instrument (this instrument) can correctly communicate, following setti

- 8 - 5. MODBUS COMMUNICATION PROTOCOL 5.1 General The communication system by the MODBUS protocol is that the communication is always started from t

- 9 - 5.2 Composition of Message Command message and response message consist of 4 fields ; Station No., Function code, Data and Error check code.

- 10 - 5.3 Response of Slave Station (1) Response for normal command To a relevant message, the slave station creates and sends back a response mess

- 11 - 5.4 Function Code According to MODBUS protocol, register numbers are assigned by function codes. Each function code acts on specific register n

- 12 - 5.5 Calculation of Error Check Code (CRC-16) CRC-16 is the 2-byte (16-bits) error check code. From the top of the message (station No.) to

- 13 - 5.6 Transmission Control Procedure (1) Transmission procedure of master station The master station must proceed to a communication upon confor

- 14 - POL1POL2POL1 POL2 POL1 response dataPOL1 response dataSpace time of longer than 25 ms is needed.5 to 60 ms Masterstationĺ UXF3Masterstationĸ UX

- 15 - 5.7 FIX Processing (Cautions in data write) The instrument is provided inside with a non-volatile memory (Fe-RAM) for holding the setting para

Note: MODBUS® is the trademark or registered trademark of AEG Schneider Automation International. NOTICEThe contents of this document may be changed

- 16 - 6. DETAILS OF MESSAGE 6.1 Read-out of Word Data [Function code:03H]Function code Max. word number read-out in one message Relative data addre

- 17 - (3) Message transmission (example) Reading “Damping” from No. 2 station is shown below. Relative address of damping: 0000H(Register No.40001),

- 18 - 6.2Read-out of Read-out Only Word Data [Function code:04H]Function code Max. word number read-outin one message Relative data address Register

- 19 - (3) Message transmission (example) The following is an example of reading out the flow rate from station No. 1. Relative address of the flow r

- 20 - 6.3 Write-in of Word Data [Function code:06H]Function code Max. word number write-in in one message Relative data addressRegister No. Kind of

- 21 - 6.4 Write-in of continuous word data [Function code:10H]Function code Max. word number write-in in one message Relative data addressRegiste

- 22 - (3) Message transmission (example) Writing Flow unit = m3/h, Range type = single range, Full scale 1 = 300.0 m3/h in No. 1 station is shown be

- 23 - 7. ADDRESS MAP AND DATA FORMAT 7.1 Data Format 7.1.1 Transmission data format The MODBUS protocol used in this product is RTU (Remote Terminal

- 24 - (3) 64-bit floating data (double type)Instantaneous values or the like are expressed by 64-bit double precision float type. The meaning of each

- 25 - 7.2 Address Map See the instruction manual attached to the main unit for details of functions and setting ranges of individual parameters. Dat

㧙i㧙CONTENTS1. COMMUNICATION FUNCTIONS ...11.1 Gener

- 26 - RelativeaddressRegister No. Datatype Parameter Read-out data/Write-in data setting range Remarks 0042 40067 int Total mode 0: Start, 1

- 27 - RelativeaddressRegister No. Datatype Parameter Read-out data/Write-in data setting range Remarks 00C6 40199 int Decimal point position

- 28 - RelativeaddressRegister No. Datatype Parameter Read-out data/Write-in data setting range Remarks 0106 40263 int Transmission count Normal

- 29 - The address data indicated below is not stored in the main unit. RelativeaddressRegister No. Datatype Parameter Read-out data/Write-in data

- 30 - 7.2.3 Word data [Read-out only]: Function code [04H] RelativeaddressRegister No. Datatype Parameter Read-out data/Write-in data setting ra

- 31 - RelativeaddressRegister No. Datatype Parameter Read-out data/Write-in data setting range Remarks 0084 30133 unsignedintSensor spacing 2 N

- 32 - 8. COMMUNICATION PROTOCOL 8.1 General The communication system by this protocol is that the communication is always started from the master st

- 33 - 8.2 Message Configuration 8.2.1 Reception Description Bytes Remarks Start mark 1 : (3Ah) Slave address (SLV) 2 01 to 31 Function code (F_C

- 34 - 8.4 Function Code Table Description F_CD Remarks Flow velocity 0300 Flow rate 0310 Forward integrated value 0320 Reverse integrated va

- 35 - 9. PC LOADER SOFTWARE IN CD SUPPLIED WITH THE MAIN UNIT 9.1 Copyright of This Software The copyright of this software belongs to the manufact

㧙ii㧙9.12 System Setting...

- 36 - 9.4 Installing of Software (1) Insert the setup disk into the drive, and double-click “UltrasonicFlowmeter_eng.msi.” Fig. 9-1 <Install fil

- 37 - (3) There is a query about selection of installation folder. Click the [Next] button to install the software in that folder. To specify

- 38 - (5) Execution of Installation Fig. 9-5 < Installing screen > (6) The Installation Complete screen is displayed. Click the [Close] bu

- 39 - 9.5 Startup Method Start “Ultrasonic Flowmeter” from the start menu or the shortcut menu to start up the loader. Fig. 9-7 < Start screen >

- 40 - 9.5.1 Communications Click “Communication” on the menu bar on the Menu screen, and the following setup screen appears. Fig. 9-9 < Serial com

- 41 - 9.5.2 Setting Click “Setting” on the menu bar on the Menu screen, and either “Save setting” or “Read setting” can be selected. 9.5.2.1. Save

- 42 - 9.5.3 Calculation Sensor Spacing On the menu screen, click [Calculation Sensor Spacing] of the menu bar, and the following screen appears. Thi

- 43 - 9.5.4 Version Click “Version” on the menu bar on the Menu screen, and the following screen appears. Fig. 9-13 < Version screen > Click th

- 44 - 9.7 Process Setting Click the “PROCESS SETTING” button on the Menu screen, and the following screen appears. Fig. 9-14 < Process setting scr

- 45 - [Setting]...Sends the setting of the selected item (check box set to ON (;)), reflecting the response value on the setting.

- 1 - 1. COMMUNICATION FUNCTIONS 1.1 General ƒ This instrument provides a communication function by RS-485 interface or RS-232C interface, by which i

- 46 - 9.8 Range Setting Click the “RANGE” button on the Menu screen, and the following screen appears. Fig. 9-15 < Range setting screen > To se

- 47 - Table 9-6 < Range Setting > Item Content RANGE UNIT Select from L/s, L/min, L/h, L/d, kL/d, ML/d, m3/s, m3/min, m3/h, m3/d, k m33/d, M m

- 48 - 9.9 Total Setting Click the “TOTAL” button on the Menu screen, and the following screen appears. Fig. 9-16 < Total setting screen > To se

- 49 - Table 9-11 < Total Setting > Item Content TOTAL MODE Select from TOTAL STOP, TOTAL RUN, TOTAL RESET. TOTAL UNIT Select from mL, L, m3,

- 50 - 9.10 Status Output Setting Click the “STATUS” button on the Menu screen, and the following screen appears. Fig. 9-17 < Status output setting

- 51 - [Check ON/OFF] ...Set the check box to ON to select all the items (to set all the check boxes to ON (;)). Set the check box to OFF () t

- 52 - 9.11 Display Setting Click the “DISPLAY” button on the Menu screen, and the following screen appears. Fig. 9-18 < Display setting screen >

- 53 - Table 9-14 < Display Setting > Item Content Selection Select from VELOCITY, FLOW RATE, + TOTAL (ACTUAL), – TOTAL (ACTUAL), + TOTAL PULSE

- 54 - 9.12 System Setting Click the “SYSTEM” button on the Menu screen, and the following screen appears. Fig. 9-19 < System setting screen > T

- 55 - 9.13 Measurement Click the “MEASURE” button on the Menu screen, and the following screen appears. Fig. 9-20 < Measure screen > Select Ins

- 2 - System configuration (when using the RS-485 interface)RS-485RS-232CPersonalcomputerRS-232C RS-485 converterRS-485ProgrammablecontrollerMas

- 56 - Table 9-16 < Measurement/Detailed Setting > Item Content Instantaneous value Select from Flow rate, Flow rate %, and Velocity. Flow rate

- 57 - 9.14 Transit Time Difference Measurement Click the [TRANSIT TIME] button on the Menu screen, and the following screen appears. Click detail

- 58 - [Setting]... Sends the setting of the selected item (check box set to ON (;)), reflecting the response value on the setting

- 59 - 9.14.2 Received Signal (optional function) Click “RECEIVED SIGNAL”, and the following screen appears. Fig. 9-22 < Received signal screen &g

- 60 - See “Checking send/receive” in “6. Maintenance and Inspection” of the separate instruction manual, “FIXED TYPE ULTRASONIC FLOWMETER” Operation

- 61 - Table 9-18 < Operation Information > Item Content WEDGE SOUND VELOCITY m/s [ft/s] WEDGE ANGLE ° PIPE SOUND VELOCITY m/s [ft/s] ANGLE I

- 62 - 9.15 RAS Click the [RAS] button on the menu screen to display the RAS screen shown below. Fig. 9-24 < RAS screen > [READ] button ...

- 63 - 9.16 Maintenance Click the “MAINTENANCE” button on the Menu screen, and the following screen appears. Note: If [Setting] and [Read] are execut

- 64 - Table 9-19 < Maintenance/setting > Item Content AO adjustment When 4mA is selected, without decimal point, Enter in the range from 1 to

- 65 - 9.17 PV Click the [PV] button on the menu screen to display the PV screen (when RS-485 communication system is selected only). CAUTIONx The wi

- 3 - 2. SPECIFICATIONS 2.1 Communication Specifications Item Specification Electrical specification Based on EIA RS-485 or based on EIA RS-232C Tran

- 66 - [START] button...Starts the measurement of the selected device (;).[Stop] button...S

- 67 - 9.18 End Click the [End] button on the Menu screen, and the following screen appears. Fig. 9-27 < Menu screen > Click either the [End] bu

- 68 - 10. TROUBLESHOOTING If the communication is unavailable, check the following items.  Whether all devices related to communication are turned

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- 4 - 3. CONNECTION  WARNING To avoid hazard of electric shock and malfunctions, do not turn on the power supply until all wiring has been completed.

- 5 - 3.2 Wiring 3.2.1 RS-485 interface ƒ Use twisted pair cables with shield. Recommended cable: UL2464, UL2448, etc. ƒ The total extension length