DamianInRochester
Lifetime Supporting Member
So then I got a pretty good deal? I mean, they're used, but at $5 each (2 IDC24 and 2 ODC24), including the junction box is a good deal, no?
So are these to be used as input/output modules for micro-controller-type applications only?
I have actually considered buying a bunch of those same ones you did. They have been on Ebay for many years. Most of my customers prefer new so I never really bothered.
But yes, I don't think that is a bad deal. I have used many of them, and for a long time and have never seen one fail.
As far as use, I use them anytime I want to isolate two systems electrically, especially in systems that may cycle that communication at 1Hz or faster. Relays always eventually fail but these can go on practically indefinitely.
Back in the day we used to use a lot of the Opto22 PCB style modules with the 4 pole and 8 poles plug in boards. They were a pain in the neck to mount (Really long 4-40 screws if memory serves correct) and they took up a lot of space. Some would get the style with the ribbon cable header and then try to terminate the 28/30awg (or whatever the heck microscopic wire size is used on them and they were always te source of a bad connection.
These just snap right on the DIN and also have the handy little cube fuse and LED indication right on top of the device.