DrvVNode Communicator Driver (Custom)

Functional Description

DrvVNode is a custom Communicator driver in ScadaV6CommExt for field device connectivity. Protocol details follow the source implementation.

Scope and Version

Source: ScadaV6CommExt/DrvVNode.Logic
TFM: net8.0
Version: 6.2.0

Install and Enable

Deploy driver binaries to Communicator folders.
Activate driver in Administrator → Communicator → Drivers.
Upload configuration and restart Communicator.

Line and Device Configuration

Create a communication line with the proper channel type.
Add device and set address/timeouts.
Set polling options and CmdLine as required by this driver; see Functional notes and configuration (template and source) below for file names, address format, and line keys.

CustomOptions (extracted)

Key	Default	Note
未在源码中匹配到明显的 `GetValueAs*` 调用，请在 Administrator 中打开该驱动的设备/线路配置界面逐项确认。

Code hints

35: DeviceTemplate deviceTemplate;
47: ConnectionRequired = false;
86: string fileName = PollingOptions.CmdLine.Trim();
87: deviceTemplate = new DeviceTemplate();

Administrator UI (DrvVNode.View)

Configure in Administrator → Communicator. Labels below come from the View language pack.

View source: ScadaV6CommExt/DrvVNode.View
Main forms:
- FrmDeviceProps.cs
- FrmDeviceTemplate.cs
- FrmTemplateSettings.cs

Phrase key	Text
`gbCmd`	Command Parameters
`lblCmdCode`	Command code
`lblCmdNum`	Command number
`lblCmdAddress`	Element address
`lblTemplateFileName`	Device template
`ConfigDirRequired`	The device template file must be located inside {0}
`TemplateNotExists`	The device template file does not exist.
`btnAddCmd.ToolTip`	Add Command
`gbTemplate`	Device Template
`TemplateTitle`	{0} - Device Template Editor
`DuplicatedCmdNums`	Duplicated command numbers:
`EmptyCmdCodes`	Empty command codes found.
`AddressHint`	{0}, starting from {1}
`lblCmdName`	Name
`lblCmdCodeWarn`	Fill out code
`lblCmdDataBlock`	Data block
`cbCmdDataBlock.Items[0]`	Coils (0X)
`cbCmdDataBlock.Items[1]`	Holding Registers (4X)
`cbCmdDataBlock.Items[2]`	Custom
`chkCmdMultiple`	Multiple
`lblCmdFuncCode`	Function code
`lblCmdFuncCodeHex`	Hexadecimal
`lblCmdElemType`	Element type
`cbCmdElemType.Items[0]`	Undefined
`cbCmdElemType.Items[1]`	ushort (2 bytes)
`cbCmdElemType.Items[2]`	short (2 bytes)
`cbCmdElemType.Items[3]`	uint (4 bytes)
`cbCmdElemType.Items[4]`	int (4 bytes)
`cbCmdElemType.Items[5]`	ulong (8 bytes)
`cbCmdElemType.Items[6]`	long (8 bytes)

Functional notes and configuration (template and source)

Derived from Logic/Common and device template XML: driver behavior and the Administrator/Communicator fields to set (address, CmdLine, line CustomOptions, template nodes).

Logic location

ScadaV6CommExt/DrvVNode.Logic
Common: DrvVNode.Common

Overrides

OnCommLineStart(), InitDeviceTags(), Session(), SendCommand()

CmdLine / template

PollingOptions.CmdLine.Trim();

DeviceConfig properties referenced

Property	Note
`DeviceNum`	源码中对 DeviceConfig 的引用

Line CustomOptions

Key	Default
未在 Logic 中检测到 CustomOptions.GetValueAs*（可能全部从设备模板 XML 读取）。

XML keys (Common)

Node	Note
`Elem`	来自 Common 配置加载/保存相关源码中的 XML 节点名
`Settings`	来自 Common 配置加载/保存相关源码中的 XML 节点名
`ElemGroups`	来自 Common 配置加载/保存相关源码中的 XML 节点名
`ElemGroup`	来自 Common 配置加载/保存相关源码中的 XML 节点名
`ServerUrl`	来自 Common 配置加载/保存相关源码中的 XML 节点名
`ServerKey`	来自 Common 配置加载/保存相关源码中的 XML 节点名

Code excerpt

81:         /// 
82:         public override void InitDeviceTags()
83:         {
84:             string fileName = PollingOptions.CmdLine.Trim();

83:         {
84:             string fileName = PollingOptions.CmdLine.Trim();
85:             deviceTemplate = new DeviceTemplate();
86:             if (!deviceTemplate.Load(Storage, fileName, out string errMsg))

154:         /// 
155:         public override void Session()
156:         {
157:             base.Session();

156:         {
157:             base.Session();
158: 
159:             if (deviceTemplate.ElemGroups.Count > 0)

396:             FinishRequest();
397:             FinishSession();
398:         }
399:

Troubleshooting

No data: line, address, template, connectivity.
Template load errors: check logs.
Options ignored: verify option scope (line vs device).

DrvVNode Driver (Custom)