I have an urgent question about Super Lab’s Digital Output with RB-530.
In my experiment, I want to use output signal via Response pad RB-530 to control lamps. To do so, I ordered a technical shop for a device which receives signals from RB-530 via RJ-45 line and switches lamps. We have confirmed that the device itself works properly, but, Super Lab (or RB-530) doesn’t output any signal!
Of course I installed the USB Drivers, and RB-530 works properly as an input device. I also clicked the Setup button, and selected the mode For general purpose output.
I have no idea why it doesn’t work.
I tested the RJ-45 line with an oscilloscope. I connected one terminal to the leftmost cable and another to the rightmost cable. Then, I selected Digital Output, RB-530, Accessory Connector, Lower lines, Left in their current state, AC1. Then, I clicked Test Now button, but the oscilloscope detected no change. I tried many other combinations and Generate a pulse, but results were same.
I read about “active low” logic on Web Site and understood that oscilloscope should usually indicate 5 voltages. However, it always indicates near 0 voltage.
What should I do?
Please, help me, and I really appreciate in advance for your swift reply.