Used PCI-6512 NI Acquisition Card

Opto‑isolated design, anti‑interference, anti‑static and surge‑protected, suitable for factory environments 24 V industrial standard, directly compatible with PLCs, proximity switches and relays 64‑point I/O (32 inputs + 32 outputs), high‑density points with cost‑effective performance Pure digital switching I/O card without analog acquisition, functionally distinct from PCI‑6251 and PCI‑4474