Recent content by dark021

But i don't understand them.. i need someone to explain them to me.. that s why i ask u guys.. and thanks for replying on some of my messages... The real problem is this... My company ask me to create a SCADA system for electric utility. My strategy is before i can create the SCADA i need to...

which of the pins of the rs232 db9pin send -5v/+5v?

Is the syntax com1-com9 are direct address to the pins of RS232? tnx

i have this following codes.. i don't understand them... can u xplain them.. Const Xon = &H11 Const Xoff = &H13 Private Sub Command1_Click() MSComm1.Output = "123456789" & Chr$(Xoff) End Sub Private Sub Command2_Click() MSComm1.Output = "987654321"...

i admit i m an idiot on this one,, can u give some reference books regarding on this? how will i check if 5volts is flowing on my Cable? Can I also control the PINs of the Rs232 port? thanks again...

Can I used Vb.net on that?? what devices did u use?? can u give me a step by step instruction on controlling the pins of the Rs232?.. The real deal is i have to sen atleast 5V on rs232 going to the recloser.. thank you again..

I'm new to Hardware programming, Can you give me an idea on how to create a controller on recloser via PC?? The recloser has a rs232 Port, and its a 9 pin.. Thanks... i need it badly thank you