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      8C-PDISA1 51454471-276

      Digital Input Pulse Accumulation Module
      In Stock
      Ships by Tuesday, June 16
      Fast Shipping Available

      Product Information:

      The 8C-PDISA1 (part number 51454471-276) is a digital input event sequence (DISOE) module in Honeywell's 8 Series I/O product line. It works with the C300 controller in the Experion Process Knowledge System (PKS). This digital input pulse accumulation module accepts discrete 24VDC input signals. The first 16 channels can be configured as digital inputs or pulse accumulation to support pulse accumulation and frequency measurement for each channel.
      Warranty Policy
      We provide 1 year warranty for all remaining parts.
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      Return Notice
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
      Shiping Mode
      Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
      Parts Availability
      Moore automated offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
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      Technical specifications for 8C-PDISA1 51454471-276

      • Manufacturer:
        Honeywell
      • Product Category:
        DCS System
      • Spare Part Number:
        51454471-276
      • Estimated shipping dimensions:
        6x15.2x14.3cm
      • Weight:
        0.32 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Product Type:
        Digital Input SOE
      • Input Channels:
        32 channels
      • Input Channel Scanning (PV):
        Normal = 20ms ; Fast = 5ms
      • Digital Input Resolution for Sequence of Events (SOE):
        1ms
      • Voltage Rating:
        24 VDC
      • DI Power Voltage Range:
        18 to 30 VDC
      • Module current rating:
        95 mA
      • Galvanic Isolation:
        1000 VAC RMS or ±1000 VDC
      • Isolation Technique:
        Optical (in IOM)
      • Input Impedance:
        4.2 KΩ
      • Absolute Delay Across Input Filter and Isolation:
        5 ms ± 20%
      • Stock:
        10
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      Information

      Overview Manuals Notable Features Core Industrial Applications

      Features:

      • Digital Input Sequence of Events, Coated
      • Extensive internal diagnostics for data integrity
      • On board excitation power (no need for marshalling power)
      The Digital Input Sequence of Events (DISOE) accepts 24VDC discrete signals as discrete inputs. The inputs can be time tagged to support 1ms resolution Sequence of Events.

      This Digital Input Event Sequence (DISOE) module belongs to Honeywell's 8 Series I/O product line and is compatible with the C300 controller in the Experion Process Knowledge System (PKS). The suffix "-276" indicates a specific production version or hardware revision, and its circuit board features a conformal coating, designed for harsh G3 industrial environments.

      The 8C-PDISA1 51454471-276 Honeywell Digital Input SOE Modules may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
      Honeywell 8C-PDISA1 51454471-276 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.
      Three modes of operation:
      1.Normal (20ms PV scan)
      2.Sequence of Events (1ms resolution SOE, 20ms PV scan)
      3.Low Latency (5ms PV scan)
      Event Sequence (SOE) Analysis: Critical for tracking the precise sequence of rapid plant events occurring in milliseconds during trips or shutdowns.
      Interlocking and Safety Monitoring: Monitors critical safety signals, trip circuits, and alarm triggers.
      Process Automation: Deployed in oil and gas, petrochemical, and power generation facilities requiring deterministic signal monitoring.

      Manuals

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      FAQ

      View All Faqs
      • What are the primary signal acquisition responsibilities of the 8C-PDISA1 51454471-276 in industrial safety and process control architectures?
        The 8C-PDISA1 51454471-276 is a high-integrity digital input safety module designed to acquire, validate, and process discrete field signals to enable deterministic control and safety-related decision-making.
      • How does the 8C-PDISA1 51454471-276 ensure the deterministic integrity of digital signals in mission-critical automation environments?
        The 8C-PDISA1 51454471-276 integrates advanced signal validation methods, fault diagnosis, and industrial-grade isolation mechanisms to ensure accurate digital input acquisition.
      • Why is the 8C-PDISA1 51454471-276 considered an indispensable component in Safety Instrumented System (SIS) deployments?
        The 8C-PDISA1 51454471-276 is designed for high-integrity safety applications where reliable discrete signal interpretation and fault tolerance are critical for operation.
      • How does the 8C-PDISA1 51454471-276 enhance situational awareness in distributed process automation infrastructure?
        The 8C-PDISA1 51454471-276 continuously monitors field state transitions, providing real-time visibility into the status of switches, contacts, alarms, and protective instruments.
      • Why is the 8C-PDISA1 51454471-276 particularly suitable for harsh industrial process environments?
        The 8C-PDISA1 51454471-276 features an industrial-grade design with excellent resistance to thermal fluctuations, vibration, electromagnetic interference, and sustained operational stress.
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      Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.