HONEYWELL 621-3580 Description Description HONEYWELL 32 CHANNEL DIGITAL INPUT MODULE 24VDC Related products HONEYWELL 621-6550 HONEYWELL 620-3691C HONEYWELL 620-3590 HONEYWELL 621-3560 HONEYWELL AX51-051-001 HONEYWELL DM106-0-A-00-0-R-1-00000-000-E0