Marty, All -
I bought one of the relay boards Marty mentioned, the 4 relay version since it was only $2 more.
No joy, after messing with it for a while.
It it not really a "trigger", but it will turn on with either a 0 voltage or a 5 vdc input according to the jumper setting.
The G320 error/reset pin floats at 0.25 or so volts when the drives are not running, enough to prevent the relay from pulling in at the 0 vcd setting. Same deal on the 5 v setting, won't turn off.
You can't use a pulldown resistor since that puts the drive in an error condition.
Any suggestions?
I'm sure I will be able to use it in another project so no loss on the cost.
Andy
Gecko G320x Acorn
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