For some reason when I hooked my RS-232 for the SSC-32 controller up to a different laptop the cable pulled over 100mA and melted right through, does anyone know why changing computers/power supplies would do this and how to fix it/regulate the current?
Did you use the RS232 or the TTL output from the SSC-232?
Maybe the PC puts power on some of it’s pins? Isolate to just RX/TX and a ground. Measure the voltages present.
Check everything, or you’ll be frying more then a cable. Normally 100ma won’t even heat up a wire…
Alan KM6VV
This is not a 100mA problem. If the wires melted then I think you are dealing with a 110vac or other grounding problem… The wall pack can’t melt wires. What power supply are you using? Can you provide pictures of your equipment set up?
Hot chassis on PC?
Alan KM6VV
It is the 100mA though, the other computers when I hook it up it pulls between 5-20mA, however when I hook it up to the laptop (that it used to be working on) it jumps up to 100mA and heats up like hell and it has already burned through one of my USB ports from testing. Not sure what’s going on, looks like the controller may be dead now as well >.< granddd
It is using the same AC adapter that it was running fine on before and now it just is on a rampage. The SSC-32 wasn’t even powered at the time, had no lines going into the VL sockets so it’s just incredibly odd
I suggest, like is done so many times on this forum, that you post a picture of your wiring.
Alan KM6VV
I don’t see the good posting a picture of a disconnected from anything besides the computer controller and the laptop plugged in only to its wall adapter and the SSC-32. It appears to have been that laptop as it’s the only computer that had this problem so were now swapping it out
Where were you reading a current value from? 100mA is not enough to melt wires.
I was reading it through the power/ground line of the USB cable of the rs232. I think something was just wrong with the inside of that laptop however because it’s not doing it for any other computers