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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supports PCNT03 spare sourcing, official records, quotations, and PCNT05 migration checks.

8C-PCNT03

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Honeywell 8C-PCNT03 is a conformally coated Series 8 C300 controller for Experion LX and PlantCruise architectures.
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Technical specifications for 8C-PCNT03

  • Manufacturer:
    Honeywell
  • Part Number:
    8C-PCNT03
  • Product Family:
    Honeywell Experion PKS ( C200, C300 )
  • Product Type:
    Series 8 C300 Controller Module
  • Stock:
    1
  • Program Memory:
    16 MB
  • Processor Core:
    Single
  • Power Requirement:
    24 V through the Series 8 power system
  • I/O Links:
    2 at 750 kbaud
  • Supported I/O Units:
    80 per controller; 40 per I/O link
  • Execution Units:
    5500
  • Execution Period:
    50 ms to 60000 ms
  • 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 Specifications PCNT03 Link Scale FTE Uplink Design PCNT05 Replacement

Product overview:

  • Controller platform: Series 8 C300 for Experion LX and PlantCruise
  • Memory and links: 16 MB program memory and two 750 kbaud I/O links
  • Lifecycle: End of general sale since September 2025; spares remain available
Honeywell 8C-PCNT03 is a conformally coated Series 8 C300 controller for Experion LX and PlantCruise architectures.

Availability is subject to Apter Power's current inventory and configuration confirmation.
Honeywell 8C-PCNT03 Specifications

General

  • ManufacturerHoneywell
  • Model8C-PCNT03
  • ConditionNew and factory sealed
  • Product FamilyHoneywell Experion Series 8 C300
  • Controller total: Up to 80 redundant or nonredundant I/O units
  • Per I/O link: Up to 40 I/O units
  • Maximum points: 2560 when calculated with 32-channel digital I/O
  • Uplinks: Dual FTE connections are provided
  • Speed: Each uplink operates at 100 Mbps
  • Peers: Native peer communication includes CEE-based controllers
  • Successor: Honeywell designates 8C-PCNT05 as the replacement
  • IOTA retention: 8C-PCNT05 uses the existing 8C-TCNTA1 IOTA
  • Redundant pairing: PCNT03 and PCNT05 do not synchronize as a redundant pair
Description
Honeywell 8C-PCNT03 is a conformally coated Series 8 C300 controller for Experion LX and PlantCruise architectures.

The official specification lists 16 MB program memory, a single processor core, two 750 kbaud I/O links, dual 100 Mbps FTE uplinks, and support for redundant controller deployment.

Honeywell declared 8C-PCNT03 end of general sale from September 2025, retained spare and replacement availability, and designated 8C-PCNT05 as its successor using the same 8C-TCNTA1 IOTA.

Alternative Names
8C-PCNT03 Honeywell 8C-PCNT03 Honeywell Experion 8C-PCNT03 8C-PCNT03 Series 8 C300 Controller Module 8C-PCNT03 datasheet 8C-PCNT03 quotation 8CPCNT03
Technical notes
8C-PCNT03: End-of-general-sale Series 8 C300 controller with 16 MB memory and dual I/O links; 8C-PCNT05 is the replacement. Confirm the exact Honeywell model and compatible hardware before ordering.
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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.
When did Honeywell end general sale of 8C-PCNT03?
Honeywell states that end of general sale began in September 2025.
How much program memory does 8C-PCNT03 provide?
The current Honeywell specification lists 16 MB.
How many Series 8 I/O units can one PCNT03 control?
Up to 80 units per controller, with 40 units on each I/O link.
What I/O link speed is specified for 8C-PCNT03?
Both controller I/O links are specified at 750 kbaud.
Which FTE connectivity is built into PCNT03?
The controller provides two 100 Mbps FTE uplink connections.
Does 8C-PCNT03 support controller redundancy?
Yes. Redundancy uses two modules, two IOTAs, and the specified cable.
Which IOTA should be paired with 8C-PCNT03?
Honeywell lists the coated 8C-TCNTA1 controller IOTA.
Can 8C-PCNT03 and 8C-PCNT05 form a redundant pair?
No. Honeywell states that the two controllers will not synchronize together.

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