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--- en:mervis-ide:30-communication-protocols:30-modbus [2017/07/25 15:35]
m.chlupac created
+++ en:mervis-ide:30-communication-protocols:30-modbus [2021/04/08 13:04] (current)
@@ Line 3: / Line 3: @@
 ===== Import Device Definition =====
-You can use use simple CSV file to import definition of modbus device into your Mervis IDE project.
+You can use simple CSV file to import definition of modbus device into your Mervis IDE project.
-<code csv ModbusDefinition.csv>
+==== Columns ====
-StationNumber,Name,Element,Count,Function,Writable,StType,ByteOrder,K,Q,X1,Y1,X2,Y2
-StationNumber,Name,Element,Count,Function,Writable,StType,ByteOrder,K,Q,X1,Y1,X2,Y2
+^ Name           ^ Description                                                                                                         ^
+^ StationNumber  | Modbus server address                                                                                               |
+^ Name           | Variable name                                                                                                       |
+^ Element        | Register/Coil address. \\ The concrete bit position (LSB=.1 to MSB=.16) or byte (.Lo or .Hi) can be specified for Registers - see examples below |
+^ Count          | Number of modbus elements to be read/written                                                                        |
+^ Function       | Coil/DiscreteInput/InputRegister/HoldingRegister                                                                    |
+^ Writable       | Read only = 0, Read/Write = 1                                                                                       |
+^ StType         | Standard Mervis IDE variable type                                                                                   |
+^ ByteOrder      | Leave empty for default byte order or specify correct byte positions as numbers from 1 to 8 (eg. 1234/3412/4321/2143 for 32 bit number) |
+^ K              | Transformation parameter for y = Kx + Q                                                                             |
+^ Q              | Transformation parameter for y = Kx + Q                                                                             |
+^ X1             | Alternative definition for y = Kx + Q, where the parameters are computed from [X1,Y1], [X2,Y2] points of the line.  |
+^ Y1             | Alternative definition for y = Kx + Q, where the parameters are computed from [X1,Y1], [X2,Y2] points of the line.  |
+^ X2             | Alternative definition for y = Kx + Q, where the parameters are computed from [X1,Y1], [X2,Y2] points of the line.  |
+^ Y2             | Alternative definition for y = Kx + Q, where the parameters are computed from [X1,Y1], [X2,Y2] points of the line.  |
+<code csv ModbusDefinition.csv>StationNumber,Name,Element,Count,Function,Writable,StType,ByteOrder,K,Q,X1,Y1,X2,Y2
 ,Variable001,1201,1,InputRegister,0,Int,12,,,,,,
 ,Variable002,1202,1,InputRegister,0,Int,12,,,,,,
@@ Line 15: / Line 32: @@
 ,Variable006,505,2,InputRegister,0,Real,3412,,,,,,
 ,Variable007,507,2,InputRegister,0,Real,,,,,,,
-,Variable008,407,1,HoldingRegister,0,Int,,,,,,,
+,Variable008,407,1,HoldingRegister,0,Int,,0.1,,,,,
 ,Variable009,408,1,HoldingRegister,0,Int,,,,,,,
 ,Variable010,409,1,HoldingRegister,0,Int,,,,,,,
@@ Line 23: / Line 40: @@
 ,Variable014,428,1,HoldingRegister,0,Int,,,,,,,
 ,Variable015,429,1,HoldingRegister,0,Int,,,,,,,
-,Variable016,1,2,HoldingRegister,0,Real,,2,7,,,,
+,Variable016,1,2,HoldingRegister,0,Real,,0.1,0,,,,
 ,Variable017,3,2,HoldingRegister,0,Real,,,,0,0,20,10
 ,Variable018,5,2,HoldingRegister,0,Real,,,,,,,
 ,Variable019,7,2,HoldingRegister,0,Real,,,,,,,
+</code>
+<code csv ModbusDefinition2.csv>StationNumber,Name,Element,Count,Function,Writable,StType,ByteOrder,K,Q,X1,Y1,X2,Y2
+,Variable001_bit1,1201.1,1,InputRegister,0,Bool,12,,,,,,
+,Variable001_bit10,1201.10,1,InputRegister,0,Bool,12,,,,,,
+,Variable001_Hi,1201.Hi,1,InputRegister,0,Usint,12,,,,,,
 </code>