METSO D201466 DII8P24 | 8-Ch Isolated 24VDC Digital Input Personality Module Valmet DNA AP31 RT Node Spare Field Service Notes

Component Snapshot At-a-Glance

Model: METSO D201466, type designation DII8P24
Alt. P/N: D201471 (4DI+4RO mixed I/O personality); D201473 (8 relay output only personality); A413188 (8ch analog input, unrelated function)
Product Series: Metso DNA AP31 remote I/O personality module family, mates exclusively with RT node base chassis D200137
Hardware Type: Horizontal plug-in personality PCB, front green screw terminal block for 24VDC field wiring, 8 individual channel status LEDs, gold-plated rear edge connector to RT node backplane
Key Feature: 8 fully opto-isolated 24VDC wet digital input channels, per-channel TVS surge suppression, open wire fault detection for each loop
Primary Field Use: Capture valve limit switches, motor auxiliary contacts, breaker open/close status and equipment fault flags on distributed AP31 remote I/O RT nodes.