Dwyer UXF3 User Manual
Page 3
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CONTENTS
1.
COMMUNICATION FUNCTIONS ......................................................................................................1
1.1
General................................................................................................................................................1
2.
SPECIFICATIONS ................................................................................................................................3
2.1
Communication Specifications ...........................................................................................................3
3.
CONNECTION......................................................................................................................................4
3.1
Communication Terminal Allocation .................................................................................................4
3.2
Wiring .................................................................................................................................................5
4.
SETTING OF COMMUNICATION CONDITION ......................................................................................7
4.1
Set Items .............................................................................................................................................7
4.2
Setting operation method ....................................................................................................................7
5.
MODBUS COMMUNICATION PROTOCOL .....................................................................................8
5.1
General................................................................................................................................................8
5.2
Composition of Message ....................................................................................................................9
5.3
Response of Slave Station.................................................................................................................10
5.4
Function Code...................................................................................................................................11
5.5
Calculation of Error Check Code (CRC-16).....................................................................................12
5.6
Transmission Control Procedure ......................................................................................................13
5.7
FIX Processing (Cautions in data write)...........................................................................................15
6.
DETAILS OF MESSAGE....................................................................................................................16
6.1
Read-out of Word Data [Function code:03
H
] ...................................................................................16
6.2
Read-out of Read-out Only Word Data [Function code:04
H
] ..............................................................18
6.3
Write-in of Word Data [Function code:06
H
].....................................................................................20
6.4
Write-in of continuous word data [Function code:10
H
].................................................................21
7.
ADDRESS MAP AND DATA FORMAT ............................................................................................23
7.1
Data Format ......................................................................................................................................23
7.2
Address Map.....................................................................................................................................25
8.
ALTERNATE COMMUNICATION PROTOCOL .............................................................................32
8.1
General..............................................................................................................................................32
8.2
Message Configuration .....................................................................................................................33
8.3
Error Check.......................................................................................................................................33
8.4
Function Code Table.........................................................................................................................34
8.5
Error Code Table ..............................................................................................................................34
9.
PC LOADER SOFTWARE IN CD SUPPLIED WITH THE MAIN UNIT ........................................35
9.1
Copyright of This Software ..............................................................................................................35
9.2
Outline ..............................................................................................................................................35
9.3
PC to Be Used...................................................................................................................................35
9.4
Installing of Software .......................................................................................................................36
9.5
Startup Method .................................................................................................................................39
9.6
Structure of Function ........................................................................................................................43
9.7
Process Setting..................................................................................................................................44
9.8
Range Setting....................................................................................................................................46
9.9
Total Setting......................................................................................................................................48
9.10 Status Output Setting........................................................................................................................50
9.11 Display Setting .................................................................................................................................52
Bulletin F-107-UXF3-S