The Honeywell 51304690-100 is a Digital Input Sequence of Events (SOE) card for the TDC 3000 system. It provides high-resolution timestamping for digital state changes, enabling precise root cause analysis and safety monitoring in complex industrial environments.
The Honeywell 51304690-100 functions as a high-precision Digital Input Sequence of Events (SOE) module. This component belongs to the proven TDC 3000 Distributed Control System (DCS) family. It monitors critical field contacts with exceptional temporal accuracy. The card records the exact chronological order of state changes. This capability proves vital for post-trip analysis in industrial facilities. Modern plants utilize this module to identify root causes of system failures.
Safety-critical sectors rely on the 51304690-100 for reliable data logging. Power generation plants use these cards to monitor turbine trip sequences. Oil refineries implement them for emergency shutdown (ESD) verification. Chemical processors track valve transitions to ensure batch consistency. Furthermore, the card helps utilities meet regulatory requirements for event reporting. It ensures that every digital transition is documented for safety audits.
| Parameter | Detail |
| Manufacturer | Honeywell |
| Model Number | 51304690-100 |
| Series | TDC 3000 / Experion Upgrades |
| Weight | 0.6 kg |
| Physical Dimensions | 2.9 x 31.8 x 27.8 cm |
| Origin | United States |
Honeywell builds this module for sustained use in demanding process environments. The circuit design resists high-frequency interference and voltage surges. Modular construction allows for efficient replacement during planned maintenance. Consequently, the card maintains high availability for mission-critical control loops. It operates effectively across wide temperature ranges within standard DCS cabinets. This robustness reduces the total cost of ownership for long-term plant operations.
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