Triconex 3721 | 32CH Differential TMR Analog Input Card for Tricon SIL3 SIS – Field Service Notes
Component Snapshot At-a-Glance Model: 3721 Alt. P/N: No direct OEM replacement; 3700-series other AI cards differ in channel count/isolation, cannot direct rack swap Product Series: Triconex Tricon V9/V10 SIL3 TMR SIS Analog Input family Hardware Type: Rack mount triple-modular redundant differential analog input PCB card Key Feature: Full 2oo3 hardware voting per channel with independent…









