Honeywell 621-9936 Description Description Honeywell Serial I/O Module (SLM) Related products HONEYWELL 621-3552RC HONEYWELL 621-3550 HONEYWELL 621-3560 HONEYWELL 621-9934 HONEYWELL DC3002-0-20A-2-89-0111-EN HONEYWELL 620-0053
