Honeywell 51195156100 Product Description

Model: 51195156100 (Standard Model: 51195156-100)

Brand: Honeywell

Series: TDC 3000 / TPS Distributed Control System

Type: Bernoulli Disk Drive Module (Bernoulli Cartridge Drive)

Status: Discontinued (DISCONTINUED)

I. Product Overview

51195156-100 is a built-in removable disk data storage unit specifically for the Honeywell TDC 3000 system. It adopts Bernoulli technology and provides core data storage functions such as program loading, historical data storage, configuration file saving, and fault log recording for the system. As a key offline storage medium for early DCS systems, it ensures the data security, program backup, and system recovery capabilities of the control system.

II. Core Specification Parameters

1. Storage and Interface Characteristics

Storage medium: Bernoulli removable disk cartridge (Cartridge)

Storage capacity: 20MB (Standard Capacity)

Interface type: CRP interface (TDC 3000 proprietary storage bus)

Data transmission: ISA bus protocol, PIO mode transmission

Access speed: Average seek time < 150ms

Rotation speed: 3600 RPM

Buffer: 8KB data cache

2. Physical and Electrical Characteristics

Size: Standard 5.25-inch half-height drive (148×101×25mm)

Weight: 0.9kg

Installation: Built-in drive slot in TDC 3000 system chassis (such as US, PM chassis)

Power supply: +5V DC @ 1.2A, +12V DC @ 0.8A (power supply from the chassis backplane)

Interface: 40Pin data interface + 4Pin power interface

Indicator lights:

PWR: Power activation

ACTIVE: Read-write activity

FAULT: Drive failure

3. Environmental Parameters

Operating temperature: 0°C ~ +60°C

Storage temperature: -40°C ~ +85°C

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

Vibration: 5g (10~2000Hz)

Impact: 20g (11ms half-sine wave)

MTBF: > 300,000 hours

4. Compatibility

Compatible systems: TDC 3000, TPS, Micro TDC 3000

Compatible media: 20MB standard Bernoulli disks

Compatible models:

51195156-200: 40MB capacity upgrade version

51195156-300: 100MB high-capacity version

Supported functions: Hot swapping (power-off replacement), plug-and-play, system automatic recognition III. Core Functions

1. System data storage

Operating system image: Stores TDC 3000 system boot and operating system files

Control program backup: Saves CL control programs, configuration settings, and flowchart files

Historical data archiving: Long-term storage of process history data, trend curves, and alarm records

Fault diagnosis log: Records system faults, diagnostic information, and maintenance records

Offline data exchange: Achieves system-to-system data transmission through removable disks

2. Bernoulli technical advantages

Non-contact reading and writing: The magnetic head is suspended above the disk surface (no physical contact), with zero wear

High reliability: Resistant to vibration, dust, and industrial environments, data retention > 10 years

Fast access: Random read/write speed far exceeds that of tape drives, system startup < 2 minutes

Portability: The disk can be removed at any time, stored in different locations, backed up offline, and used for disaster recovery

Large capacity: 20MB capacity meets the full system backup requirements of early DCS systems

3. Industrial-grade stable design

Fully sealed structure: Dust-proof, oil-proof, moisture-proof, suitable for chemical plants / power plants environments

Industrial-grade components: Wide temperature tolerance, anti-electromagnetic interference (EMI/RFI)

Error checking: Hardware-level ECC error detection and correction, zero data loss

Power failure protection: Automatically returns the magnetic head to its position in case of abnormal power failure, protecting the disk and data

Long lifespan: > 10,000 insertions and removals, > 50,000 hours of trouble-free operation

Four. Model comparison (51195156 series) Table

Parameters: 51195156-100, 51195156-200, 51195156-300

Capacity: 20MB, 40MB, 100MB

Rotation speed: 3600 RPM, 3600 RPM, 4500 RPM

Seek time: < 150ms, < 120ms, < 90ms

Cache: 8KB, 16KB, 32KB

Operating temperature: 0~60°C, -10~70°C, -20~70°C

Applications: Basic storage, Expansion storage, High-density storage

V. Typical Application Scenarios

TDC 3000 system startup: As the system boot disk, loading operating system and drivers

Control program backup/restore: Offline backup of control programs and configuration data

Historical data archiving: Long-term preservation of critical process historical data (> 1 year)

System disaster recovery: Rapid recovery after system crash (< 30 minutes)

Cross-system data exchange: Passing programs/data between multiple DCS systems through disks

Core storage units of old DCS systems in petroleum, chemical, power, etc.

VI. Alternative Solutions

Modern alternatives: CFast card, DOM electronic disk, SSD solid-state drive (compatible through adapter board)

Compatible alternative modules: 51195156-300 (100MB high-capacity version)

Software alternatives: HM hard disk (historical module) + Network shared storage