Product Description

Model Definition

• 51304903-100: Honeywell part number for WDA I/O Card.

• 5130: Honeywell DCS hardware series code.

• 4903: Circuit design code for disk drive interface boards.

• 100: Revision/version (standard variant, vs 200 enhanced).

• Alias: WDI I/O module, TDC3000 history disk interface card, SCSI-Winchester paddle board.

Technical Specifications

• System Compatibility: Honeywell TDC 3000, TPS, WDA History Module.

• Interface: SCSI to Winchester (WDI) bridge.

• Power Supply: 24 VDC ±10% from backplane.

• Operating Temperature: -40 °C to +70 °C.

• Storage Temperature: -55 °C to +85 °C.

• Humidity: 5%–95% non-condensing.

• Weight: Approx. 0.13 kg.

• Certifications: CE, UL, CSA, RoHS.

Interface and Communication Configuration

• Host Interface: SCSI connector to History Module controller.

• Drive Interface: Dedicated WDI connector for Winchester HDD.

• Controller Interface: Goldfinger edge connector for LCN slot.

• Indicators: Power, Run, Fault, Activity LEDs.

• Data Transfer: High-speed parallel for historical/config data.

Core Functions

1. SCSI-WDI Bridging: Connects TDC 3000 SCSI bus to Winchester disk drives.

2. History Data Storage: Enables long-term archiving of process history, events, and logs.

3. System Configuration Backup: Stores DCS configuration files and global databases.

4. Signal Conversion: Translates SCSI protocols to proprietary WDI signals.

5. Fault Detection: Monitors drive errors, timeouts, and connection issues; reports alarms.

6. Data Integrity: Ensures reliable read/write for critical process data.

Application Scenarios

Usage and Maintenance Instructions

Usage

Maintenance