This is historical information of device classes implemented in ModbusDataViewer device server.

Use this link to find the valid information.

Development status: Released
Information status: New

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Class Description

generic device to get/set single coils and registers in a modbus device
uses dynamic attributes

Families: Communication

Key words:

Language: Cpp

License:

Contact:

Class interface

Attributes:

Name Description

Commands:

Name Description
StateInput: DevVoid
Output: State		 This command gets the device state (stored in its device_state data member) and returns it to the caller.
StatusInput: DevVoid
Output: DevString		 This command gets the device status (stored in its device_status data member) and returns it to the caller.

Pipes:

Name Description

Properties:

Name Description
DataString[]Type list of the data to be displayed 1 line by data for each line the device will create 1 dynamic attribute Format : AttributeName;DataType;Data Access;Modbus Address;Ratio;Read Register Type Example : Temperature;DEV_DOUBLE;READ_WRITE;5;0.1 Prop;DEV_DOUBLE;READ_WRITE;35;1.0 Attribute Name = the name of the Attribute Data Type = type of the Attribute [DEV_BOOLEAN|DEV_SHORT|DEV_USHORT|DEV_LONG|DEV_ULONG|DEV_FLOAT|DEV_DOUBLE] Data Access = [READ|WRITE|READ_WRITE] Modbus Address = modbus Address see Modbus reference [0...10000] Ratio = floating point, if omitted defaults to 1.0 Read Register Type = [HOLDING|INPUT] if omitted or error defaults to HOLDING
UrlDevString Modbus Device name
HardwarePollingTimeDevLong reading period for the thread

22 Feb 2018, DS Admin
Updated:
The device class has been updated.
You can see previous version here .


20 Apr 2017, Piotr Goryl
Updated:
The device class has been updated.
You are looking at this version now.


23 Feb 2017, Piotr Goryl
Created:
The device class has been added to catalogue.
Added by:pgoryl2 on:20 Apr 2017, 1:07 p.m.