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Central Processor Unit Honeywell 10002/1/2

Central Processor Unit Honeywell 10002/1/2

Product Overview

The Honeywell 10002/1/2 serves as the core Central Processor Unit (CPU) for the Fail-Safe Controller (FSC) system. It executes safety logic, manages I/O synchronization, and performs continuous diagnostics to ensure high-integrity process control, especially...

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Availability: Low stock: 50 left

SKU: 10002/1/2
Vendor: Honeywell
Category: Central Processor Unit
Related Series:

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Product Overview

The Honeywell 10002/1/2 serves as the core Central Processor Unit (CPU) for the Fail-Safe Controller (FSC) system. It executes safety logic, manages I/O synchronization, and performs continuous diagnostics to ensure high-integrity process control, especially for Emergency Shutdown (ESD) and Fire and Gas (F&G) applications. Supplied as 100% brand new, original factory stock to guarantee compliance with certified safety-instrumented functions.

Technical Specifications

Specification Details
Model Number 10002/1/2
System RAM 128 Kbytes
Application RAM 128 Kbytes (expandable to 1 Mbyte)
System EPROM 256 Kbytes
Max. Application EPROM 1 Mbyte
Power Requirements 5 VDC, 1 A
Ripple Content < 50 mV p-p
Dimensions 84 mm x 54 mm x 12 mm
Weight 0.2 kg
Condition 100% Brand New, Original

Engineering Advantages

  • Deterministic Logic Execution:
    Ensures fixed scan times for safety-critical tasks, providing predictable response times regardless of system load.

  • High-Integrity Memory Management:
    Separate memory for system and application processes prevents overwriting of critical firmware, ensuring system stability.

  • Strict Power Regulation:
    Ultra-low ripple content (<50 mV p-p) ensures protection of sensitive processing components and long-term reliability.

  • Scalable Storage Capacity:
    Up to 1 Mbyte of Application RAM and EPROM for complex safety logic programs and cause-and-effect matrices.

FAQs

  • Can this CPU be used in a redundant configuration?
    Yes, it supports Dual Modular Redundant (DMR) configuration for fault-tolerant operation.

  • Does it require a specific firmware version?
    Ensure the EPROM chips are compatible with your existing Honeywell Safety Builder project when replacing the unit.

  • What is the primary function of Application RAM?
    It stores dynamic process data, timer values, and logic variables used during program execution.

  • How do I verify CPU status during operation?
    The front-panel LEDs and diagnostics via the backplane indicate CPU status, run mode, or any internal hardware faults.