HONEYWELL 621-3580 Description Description HONEYWELL 32 CHANNEL DIGITAL INPUT MODULE 24VDC Related products HONEYWELL AX51-061-001 HONEYWELL 621-0009 HONEYWELL 620-0053 HONEYWELL C7027A1031 HONEYWELL DM106-0-A-00-0-R-1-00000-000-E0 HONEYWELL 621-0010