I'm wiring an Artex ELT 345 and following this wiring diagram:
The shielding/grounding is a little confusing to me.
1. At the Serial Nav Data source end, are they suggesting that one of the two Nav Data wires is wired directly to the shielding?
2. At the D-Sub end, they appear to suggest the shielding is wired into pin 7. Does it also need to be grounded?
3. Alternatively to #1 and #2, would I have a ground wire in the bundle and connect it to the shielding at the Nav Data source end? I did a weekend EAA electronics workshop and this is what we did with the intercom wiring harness project.
I have read that, as a general rule, shielding should not be used to carry current (Ausman). I'm not sure how this inter plays with ground. I also seem to recall reading that shielding should generally be grounded to the aircraft frame.
Any help is appreciated.
The shielding/grounding is a little confusing to me.
1. At the Serial Nav Data source end, are they suggesting that one of the two Nav Data wires is wired directly to the shielding?
2. At the D-Sub end, they appear to suggest the shielding is wired into pin 7. Does it also need to be grounded?
3. Alternatively to #1 and #2, would I have a ground wire in the bundle and connect it to the shielding at the Nav Data source end? I did a weekend EAA electronics workshop and this is what we did with the intercom wiring harness project.
I have read that, as a general rule, shielding should not be used to carry current (Ausman). I'm not sure how this inter plays with ground. I also seem to recall reading that shielding should generally be grounded to the aircraft frame.
Any help is appreciated.