I'm using Aurora ARS302 reed switches to sense position of a pneumatic cylinder piston (it's equipped with magnetic ring). We started having trouble a month ago whereby the reed switch would sometimes not pick up the piston. It could usually be remedied by someone moving the reed switch. If not, changing the reed switch usually helped. We installed a new cylinder, thinking the magnet was weak, but it didn't help.
The reed switches are connected to a ML1100 (24VDC input. Since changing the cylinder didn't help, I've begun to question whether or not the internal resistance of the inputs is sufficient to always trigger the reed switch.
Can anyone recommend a suitable resistor size I can try in series with the reed switch?
The reed switches are connected to a ML1100 (24VDC input. Since changing the cylinder didn't help, I've begun to question whether or not the internal resistance of the inputs is sufficient to always trigger the reed switch.
Can anyone recommend a suitable resistor size I can try in series with the reed switch?