I used a RS232 to connect my pc and VALHALLA 4300C, and used Docklight software to explore it. I went through a sample project: PingPong.ptp, I followed the instruction and I did not get any data back. I could only see the TX info but not RX info. (NOTE: the reason that I used 4300C is because I just explore Docklight and I can only have access to 4300C for the moment.) Here is the link to the instruction of the sample project. It is REALLY short. http://docklight.de/manual/index.html Any help would be appreciated.
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We are actually making docklight, and I believe I can help you: The "pingpong" sample is not useful for what you try. It's intended for a test where you want to know if your computer's RS232 interface is ok and working at all. For "PingPong", you use a "loopback" / shortcut where you directly short the TX with the RX pin. But I can make you a small example project for the "VALHALLA 4300C" showing you how to get basic information out of the device. Just give me a few hours time, I'll post an answer. Oliver – Oliver Heggelbacher Jul 15 '16 at 08:05
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Can I ask a question? What RS232 interface do you have on your PC side? A regular USB-to-RS232 dongle? (these should work fine with Docklight and the VALHALLA device) – Oliver Heggelbacher Jul 15 '16 at 08:12
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As mentioned, the PingPong example is not suitable for the application you have with the VALHALLA 4300C. The 4300C will not respond to a "Ping" text it does not understand.
Here is how I suggest you get started communicating with your VALHALLA 4300C from a Windows PC.
Start Docklight (but also any other plain text terminal like Realterm, Teraterm oder YAT should work, of course).
Select the COM port number that is your actual RS232 interface on your PC. (Docklight displays a dropdown list of available ports and their descriptions.)
Set the serial port settings to 9600 baud, no parity, 8 data bits, one stop bit (see the Valhalla 4300C Manual on page 6-15).
Open the COM port and send a command the VALHALLA 4300C understands, e.g. *IDN? followed by a CR (carriage return) and LF (line feed). Refer to the 4300C Manual from 6-18 for the full command list.
You can use the ValhallaScientific_4300C_Example.ptp Docklight example project I created: Download it, open it by double-click, adjust the COM1 port number to what is the actual COM port for your PC's RS232 interface. Then click on the "IDN" Send Sequence to send a query about Manufacturer & model details.
Oliver Heggelbacher
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Hi Oliver, sorry for the late response. You are so helpful. Now it is working. Thank you so much! – success Jul 15 '16 at 22:42
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thanks for confirming this actually works.(since we don't have the actual device here).We're always happy to help out. – Oliver Heggelbacher Jul 18 '16 at 08:45