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I'm working on a user manual for a SCADA-driven programmable logic
controller (PLC). The unit accepts add-on cards, much like a desktop
Referring to the contextual samples below, my question pertains to the use
of "backpan" vs. "backplane." I think it's the latter, and can find online
support for this. The engineer who designed this unit, and its
predecessors, thinks it's the former. I can find no definition for this,
nor online support.
- These terminal boards provide excellent lightning/surge protection and
alleviate the need to install discrete interposing devices to the enclosure