8C-PDISA1 51454471-276
8C-PDISA1 51454471-276
8C-PDISA1 51454471-276
8C-PDISA1 51454471-276
8C-PDISA1 51454471-276
8C-PDISA1 51454471-276
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8C-PDISA1 51454471-276

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Honeywell Series 8 32-channel digital input module with sequence-of-events capability and exact part number 51454471-276.
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Technical specifications for 8C-PDISA1 51454471-276

  • Manufacturer:
    Honeywell
  • Part Number:
    8C-PDISA1 51454471-276
  • Product Family:
    Honeywell Experion PKS ( C200, C300 )
  • Product Type:
    Series 8 Digital Input SOE Module
  • Stock:
    1
  • Input channels:
    32
  • Normal scan:
    20 ms
  • Low-latency scan:
    5 ms
  • SOE resolution:
    1 ms
  • Field voltage:
    24 V DC; 18 to 30 V range
  • Module current:
    95 mA
  • Isolation:
    Optical; 1000 V rating
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    6x15.2x14.3cm
  • Tariff Code:
    8538900000
  • Country of origin:
    China
  • 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 Input Timing SOE Resolution Isolation Product Applications

Features:

  • Event-aware input collection: The Series 8 module combines discrete input status with sequence-of-events recording.
  • Timing choice: Normal and low-latency scan paths support different process-response requirements.
  • Exact assembly identity: The complete 8C-PDISA1 51454471-276 reference defines the current module configuration.
8C-PDISA1 51454471-276 brings plant contact states into an Experion Series 8 I/O assembly while preserving the timing information needed to reconstruct an event sequence.

That combination supports both ordinary process monitoring and higher-resolution event analysis from one module position. The controller can use the input states for operation while engineering teams use the event record to understand order and timing.

This product is most relevant when discrete-signal chronology matters as much as the current state. The module identity, installed I/O termination assembly, and project timing strategy must describe the same Series 8 position.

Apter Power can help locate official records for 8C-PDISA1 51454471-276 and coordinate quotation and sourcing requirements.
Honeywell 8C-PDISA1 51454471-276 Series 8 Digital Input SOE 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.
  • Normal process-value scanning is 20 ms
  • Low-latency process-value scanning is 5 ms
  • Select timing according to the controller application
  • Sequence-of-events resolution is 1 ms
  • Time synchronization must be maintained across the system
  • Validate event ordering during commissioning
  • Input isolation is implemented optically in the module
  • Observe the documented 18 to 30 V DC field range
  • Check the matching IOTA and terminal wiring
  • Sequence-of-events collection for plant discrete signals
  • Low-latency digital input monitoring in Experion PKS
  • Like-for-like Series 8 module replacement on the documented IOTA
Description
8C-PDISA1 51454471-276 is the Honeywell Series 8 digital input sequence-of-events module identified by part number 51454471-276. The official Series 8 specification identifies 32 input channels, normal and low-latency scanning, 1 ms SOE resolution, 24 V DC field inputs, and optical isolation.

8C-PDISA1 51454471-276 supports event-aware discrete input collection in documented Experion Series 8 I/O assemblies. Replacement work should verify the IOTA, field-voltage range, channel wiring, SOE time synchronization, firmware compatibility, and module insertion procedure.
Alternative Names
51454471-276 8C PDISA1 Series 8 DI SOE
Technical notes
8C-PDISA1 51454471-276 should be matched to the installed Series 8 IOTA, field wiring, and SOE configuration. Verify the 18-30 V DC field range, normal or low-latency scan selection, event time synchronization, channel diagnostics, and approved removal procedure. Preserve the exact 51454471-276 part identity from the nameplate.
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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.
Can 8C-PDISA1 51454471-276 be used for sequence-of-events work without system time synchronization?
No. The module provides 1 ms SOE resolution, but useful event order depends on synchronized system time. Restore synchronization before relying on the sequence for incident analysis.
Why can 8C-PDISA1 51454471-276 show the correct state but the wrong event order?
The input state and SOE timestamp are different diagnostics. Check system time synchronization and the selected scan path before treating the field contact as the source of ordering error.
When should the 5 ms scan option be selected for 8C-PDISA1 51454471-276?
Use the low-latency path only when the controller application requires it and the project is engineered for that update behavior. Otherwise retain the normal 20 ms process-value scan.
How should field power be checked before installing 8C-PDISA1 51454471-276?
Confirm each input circuit is within the documented 18-30 V DC range and has correct polarity. Resolve out-of-range or miswired channels before seating the module on its IOTA.
Which hardware match prevents an I/O assembly error with 8C-PDISA1 51454471-276?
Match the Series 8 IOTA, connector position, and exact part identity 51454471-276. A similar 32-channel module does not establish the same terminal or event functions.
Before replacing 8C-PDISA1 51454471-276, what should the acceptance test prove?
Prove normal input states, the selected scan mode, SOE timestamp order, and controller alarming on the documented IOTA. Stop if any channel mapping differs from the retained project.

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