> Products
• Modbus Poll
• Modbus Slave
• Modbus TCP/IP .NET
• Modbus RTU/ASCII .NET
• Modbus ActiveX
> Download
> Order
> Contact Info.
> Links
> Modbus
WSMBT
Quick start guide
Add the component
to the toolbox 1. In the Tools menu select
Choose Toolbox Items. 2.
In the "Choose toolbox Items" dialog box press browse. 3.
Select the wsmbt.dll 4.
Press ok in the "Choose toolbox Items" dialog box. 5.
Now you can find the WSMBT component in the toolbox. 6.
Add the WSMBTControl to you form like you add a timer. 7.
Example code how to make a connection
WSMBT.Result Result; 8. Example code to read 10 holding registers.
wsmbtControl1.Mode = WSMBS.Mode.TCP_IP;
wsmbtControl1.ResponseTimeout = 1000;
wsmbtControl1.ConnectTimeout = 1000;
Result = wsmbtControl1.Connect("127.0.0.1", 502);
if (Result != WSMBT.Result.SUCCESS)
MessageBox.Show(wsmbtControl1.GetLastErrorString());
Int16[] Registers = new Int16[10];
WSMBT.Result Result;
Result = wsmbtControl1.ReadHoldingRegisters(1, 0, 10, Registers);
if (Result != WSMBT.Result.SUCCESS)
MessageBox.Show(wsmbtControl1.GetLastErrorString());