Component Snapshot At-a-Glance

• Model: 51403645-100 (SBHM, Single Board History Module)
• Alt. P/N: 51403698-100 dual-drive SBHM variant; legacy multi-card disk subsystems cannot cross-substitute
• Product Series: Honeywell TDC3000 / TPS LCN Local Control Network
• Hardware Type: Full-width rack slot integrated storage processor board, hot-swap capable
• Key Feature: Onboard 1.8GB SCSI hard drive + dedicated history CPU, eliminates separate disk chassis hardware
• Primary Field Use: Archive continuous process trends, alarm logs, and event journal data for TPS LCN history and operator station chassis.