10002/1/2
10002/1/2
10002/1/2
10002/1/2
10002/1/2
10002/1/2
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10002/1/2

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Honeywell 10002/1/2 is the central processor unit that executes system operations and application programs in an FSC control system.
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Technical specifications for 10002/1/2

  • Manufacturer:
    Honeywell
  • Part Number:
    10002/1/2
  • Product Family:
    Honeywell FSC Series
  • Product Type:
    FSC Central Processor Unit Module
  • Stock:
    1
  • Processor control:
    Front RUN/STOP key switch
  • Type number:
    06001
  • Key-switch positions:
    Vertical RUN; horizontal STOP and CPU reset
  • System RAM:
    128 KB
  • Application RAM:
    128 KB
  • Register area:
    Up to 7 KB within system RAM
  • Separate memory module:
    10002/A/1
  • System EPROM:
    256 KB on 10002/A/1
  • Application memory capacity:
    Up to 1 MB EPROM or 1 MB RAM on 10002/A/1
  • Software version:
    2.80b or later
  • Space requirement:
    4 HP, 3U including 10002/A/1
  • Power requirement:
    5 V DC, 1 A including 10002/A/1
  • Ripple limit:
    Less than 50 mV peak-to-peak
  • Approvals:
    CE, TÜV and UL
  • Weight:
    0.441 lbs (0.2 kg)
  • Estimated shipping dimensions:
    21x8.5x12.8cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Processor Control Memory Structure Backup Path Power Boundary

Features:

  • FSC central processor executes system and application programs
  • Front key switch selects RUN or STOP with hardware CPU reset
  • Separate 10002/A/1 module carries system EPROM and application memory
The CPU divides volatile memory between system variables and the application program, so controller operation and user logic use distinct RAM areas.

Battery backup reaches the processor RAM from Central Part support hardware, linking data retention to the diagnostic/battery or single-bus-driver path.

The processor and its 10002/A/1 board share the specified 5 V DC load and occupy one four-HP, three-U assembly position.
The Honeywell 10002/1/2 FSC Central Processor Unit Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell 10002/1/2 FSC Central Processor Unit Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

RUN and STOP hardware behavior

  • RUN position: The vertical key position permits the processor to run.
  • STOP position: The horizontal position stops the CPU and applies a hardware reset.
  • Reset action: The key function acts on the processor rather than only changing an operator indication.

How CPU and memory board divide storage

  • System RAM: System RAM holds variables, I/O data, markers, counters, timers, and registers.
  • Application RAM: Application RAM on the CPU can execute smaller programs without extra memory devices.
  • Board division: The 10002/A/1 board carries system EPROM and larger application EPROM or RAM devices.

Retaining RAM when external power is lost

  • Backup source: CPU RAM is connected to a battery-backed supply path.
  • Data retention: The diagnostic and battery module or single bus driver provides that backup source.
  • Power loss: The retention circuit is external to the CPU faceplate and depends on Central Part support hardware.

Shared load and live-removal restriction

  • Logic supply: The stated 5 V DC load includes both CPU and 10002/A/1 memory module.
  • Current load: Ripple on the logic supply remains below the documented peak-to-peak limit.
  • Removal limit: The module is removed only after Central Part power has been isolated.
Description
Honeywell 10002/1/2 is the central processor unit at the core of an FSC system, where it executes system operations and the loaded application program. The front key switch places the processor in RUN vertically or stops and resets the CPU horizontally.

Memory inside 10002/1/2 separates 128 KB of system RAM from 128 KB of application RAM. A separate 10002/A/1 memory module carries the system EPROM and the selected application-memory devices, allowing processor RAM and removable program storage to serve different roles.

When external power is lost, 10002/1/2 retains its RAM through battery backup supplied by the diagnostic and battery module or the single bus driver. This ties processor data retention to the Central Part backup path rather than to a battery mounted on the CPU faceplate.

The 5 V DC logic supply for 10002/1/2 also covers the 10002/A/1 memory module within the documented 1 A load. Because the CPU and memory assembly share the live Central Part connection, the module is not removed or replaced while that power remains on.
Alternative Names
Honeywell 10002/1/2 10002/1/2 FSC CPU Honeywell FSC Central Processor Unit 06001 FSC Processor Module Honeywell 10002-1-2 CPU Card FSC 10002/1/2 Processor Honeywell FSC RUN STOP CPU 10002/1/2 Central Part Processor
Technical notes
Do not remove Honeywell 10002/1/2 while the FSC Central Part is powered; its key switch performs a hardware processor reset in STOP.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What happens when the Honeywell 10002/1/2 key switch is turned horizontally?
On Honeywell 10002/1/2, the horizontal key position stops the processor and performs a hardware CPU reset. Confirm the approved shutdown state before turning the key because this is not only a display-mode change.
How is application memory arranged on Honeywell 10002/1/2?
Record both memory locations before moving Honeywell 10002/1/2: the CPU carries 128 KB of application RAM, while the separate 10002/A/1 board can carry up to 1 MB of application EPROM or RAM.
Where does Honeywell 10002/1/2 obtain RAM backup during a power loss?
Trace the backup supply for Honeywell 10002/1/2 to the FSC diagnostic and battery module or the single bus driver. Verify that Central Part source before relying on retained RAM.
Why must Honeywell 10002/1/2 remain installed while the Central Part is powered?
Isolate Central Part power before removing Honeywell 10002/1/2. Its live backplane and program-memory connections can disturb processor and memory circuits if the module is withdrawn while energized.
Which software baseline is required by Honeywell 10002/1/2?
Confirm FSC software version 2.80b or later before transferring application memory to Honeywell 10002/1/2. An earlier system release does not meet the documented processor baseline.
How should Honeywell 10002/1/2 power loading be calculated?
Use 5 V DC at 1 A for Honeywell 10002/1/2 together with its 10002/A/1 memory module. Do not add the same memory-board load a second time because it is already included in the stated value.