The Honeywell MC-PDIS12 Digital Input SOE Card (Part No. 51402625-175) is a specialized interface board designed to capture and log digital input events with precise time sequencing for automation systems. "SOE" stands for Sequence of Events, a capability that records discrete input changes (e.g., start/stop signals, status transitions) along with timestamp data. Engineers and maintenance teams use this information to analyze the chronological order of events that occur during normal operation or fault conditions.

This card integrates into Honeywell distributed I/O racks or controller backplanes and collects digital input signals from field devices such as switches, interlocks, sensors, or alarms. Its hardware and firmware are engineered for reliable performance in industrial control rooms, minimizing missed events and ensuring that high-speed inputs are captured with accurate temporal resolution.

♦ Supports high-speed digital input capture with timestamp logging
♦ Engineered for integration with Honeywell control and I/O systems
♦ Industrial-grade construction for continuous operation in plant environments
♦ Backplane connectivity with secure signal routing and low latency
♦ Enables accurate reconstruction of event sequences for analysis
♦ Minimal maintenance required once configured and installed

The MC-PDIS12 SOE card is commonly used in control and safety applications where the timing and order of digital events are critical for analysis and troubleshooting. Typical use cases include:

♦ Recording discrete input transitions during machine start-up and shutdown
♦ Capturing interlock activation sequences in safety and protection circuits
♦ Logging error states and corrective actions for fault investigation
♦ Support for root-cause analysis in process automation facilities
♦ Monitoring status changes in distributed I/O installations

By preserving a chronological log of discrete signals, the SOE card helps engineers reconstruct event timelines and refine control strategies or maintenance planning.

Parameter	Specification
Model Number	51402625-175
Product Type	Digital Input SOE (Sequence of Events) Card
Input Channels	12 digital inputs
Input Type	Dry contact / discrete signal
Event Resolution	1 ms SOE time stamping
System Compatibility	Honeywell Experion / TPS / C300 systems
Function	High-speed event capture and sequence of events recording
Mounting	Control system I/O rack
Application	Turbine control, protection systems, process event analysis

For pricing, availability, or technical consultation regarding this model, please contact our sales team:

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Q1 What does "SOE" mean and why is it important?
SOE stands for Sequence of Events. It means the card logs discrete input changes along with precise timestamps, which helps engineers analyze the order in which changes occurred during operations or faults.

Q2 What type of signals does this card capture?
The MC-PDIS12 captures digital (on/off) signals from field devices such as switches, safety contacts, and discrete sensors.

Q3 How many channels can this card log simultaneously?
This model supports 12 independent digital input channels, each capable of high-speed event logging.

Q4 Can the logged events be used for troubleshooting and analysis?
Yes, the timestamped event logs allow operators and maintenance teams to reconstruct the sequence of discrete events, aiding in root-cause analysis and operational refinement.

Q5 Is special configuration software required to use the SOE capability?
Configuration is typically performed through the system's engineering software; once set up, the card logs events autonomously, and logged data can be retrieved or reviewed via the control system interface.

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