Honeywell 51400669-100 (FDC Floppy Disk Controller Card)
June 01, 2026

Honeywell 51400669-100 (FDC Floppy Disk Controller Card)

Product Introduction 51400669-100 is a FDC (Floppy Disk Controller) floppy disk controller card for Honeywell TDC 3000 / Experion PKS system. It is a dedicated card for data storage and program loading in the TDC 3000 system, used to drive the built-in floppy disk drive and realize the reading, writing and backup of system firmware, control programs and recipe data. It is an indispensable local storage interface module for early TDC 3000 nodes.

Description

Model Explanation

51400669-100: Honeywell part number (without delimiter, i.e. 51400669100)

51400669 = FDC floppy disk controller card series

100 = Standard hardware version, Rev J firmware, industrial-grade temperature range

Component Type: FDC PWA (Floppy Disk Controller Printed Wiring Assembly)

Compatible Equipment: TDC 3000 workstation (GUS/US), HPM controller cabinet, historical data module Technical Specifications

Control chip: Special floppy disk controller chip, supporting 3.5-inch 1.44 MB floppy disks

Storage medium: 3.5-inch high-density floppy disk (1.44 MB, compatible with DOS format)

Data interface: Parallel data bus (compatible with TDC 3000 backplane)

Transmission rate: 250 Kbps (standard rate for floppy disk reading and writing)

Power supply: 5 VDC (backplane power supply, ±5%), power consumption ≤ 12 W

Operating temperature: 0°C ~ +60°C (environment of the cabinet)

Storage temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% RH (no condensation)

Size: Standard 19-inch card (3U height)

Weight: 0.58 kg

Certifications: CE, UL, CSA

Interface and Configuration

Backplane interface: Compatible with 51400665-100 power backplane, gold finger connection

Drive interface: 34-pin floppy disk drive connector (built-in 3.5-inch floppy drive)

Status indication: PWR (power), RD/WR (read/write), FAULT (fault) LEDs

Installation method: Hot-swappable (supports no-down-time replacement)

Compatibility: Directly replace the old FDC card, compatible with the entire TDC 3000 operation station and HPM cabinet Core function

System firmware loading and update: By reading the TDC 3000 system firmware, HPM control program and operation station software from a floppy disk, the system can be initialized and its version upgraded. This is the core channel for the early deployment of system programs.

Control program and recipe backup / restoration: Write the HPM control logic, batch recipes, process parameters and other data to a floppy disk for backup. In case of system failure, it can be quickly restored from the floppy disk to ensure production continuity.

Historical data export and migration: Support exporting historical trends, alarm records, event logs from the operation station to a floppy disk for offline analysis, archiving storage or cross-node data migration.

Local storage expansion: Provide local data reading and writing capabilities in the absence of a network or in the event of a network failure, meeting the needs of offline debugging, on-site parameter modification and temporary data storage.

Hardware diagnosis and fault reporting: Real-time monitoring of the status of floppy drives, disks and card circuitry. When there are read/write errors, trigger system alarms and record fault codes to facilitate rapid location of storage faults. Applicable scenarios

System: Honeywell TDC 3000, TPS, Experion PKS (compatible with GUS/US operation stations)

Equipment: TDC 3000 operation station cabinet, HPM control cabinet, historical data storage node

Industry: Petrochemicals, thermal power, nuclear power, metallurgy, cement, glass, pharmaceuticals

Application: System firmware upgrade, control program backup and restoration, formula data management, historical data export, offline debugging and maintenance, replacement of old system storage modules


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