The Schneider Electric 140ERT85420 is a versatile multifunction input module for the Modicon Quantum platform. This advanced module combines high-speed discrete input logging with precise time synchronization. Moreover, it captures time-stamped events for detailed sequence-of-events (SOE) analysis. Consequently, you gain critical insights for troubleshooting and compliance in complex automation systems.
High-Speed Event Logging and Status Monitoring
This module excels at capturing fast-changing signals with a logging resolution of 500 Hz. It continuously monitors 32 discrete process inputs for status changes. Furthermore, the module assigns a precise date and time stamp to every detected event. Therefore, you can accurately reconstruct process sequences and identify the root cause of faults.
Precision Time Synchronization Protocols
The 140ERT85420 integrates dedicated inputs for industry-standard time signals. It supports synchronization via the IRIG-B time code and the European DCF77 radio clock. Additionally, this feature ensures all logged events across your system share a unified, accurate timestamp. This capability is essential for coordinating data across distributed networks and for power grid applications.
Detailed Technical Specifications
Below is a comprehensive table of the technical parameters for the Schneider 140ERT85420 module:
| Parameter Category | Specification Details |
|---|---|
| Manufacturer & Model | Schneider Electric 140ERT85420 |
| Product Series | Modicon Quantum Multifunction Input Module |
| Primary Function | High-speed event logging & time synchronization |
| Discrete Input Channels | 32 process inputs (24-125 VDC) + 1 clock input (24 VDC) |
| Input Grouping | 2 groups of 16 process inputs |
| Event Logging Resolution | 500 Hz |
| Time Synchronization Protocols | IRIG-B, DCF77 |
| Key Features | Time & date stamped event logging (SOE), status monitoring |
| Software Compatibility | Unity Pro V4.1, V5.0, V6.0, V7.0 (some versions exclude IRIG-B/TXSNTP100) |
| Input Type (Process) | 32 discrete inputs, 24-125 VDC |
| Input Type (Clock) | 1 discrete input for IRIG-B/DCF77 signal, 24 VDC |
| Event Storage | On-board memory for time-stamped event sequences |
| Communication | Via Quantum backplane to CPU |
| Typical Applications | Sequence of Events (SOE) recording, fault analysis, network time sync |
Enabling Advanced Diagnostics and System Coordination
Integrating this module transforms your control system into a powerful diagnostic tool. The precise event log is invaluable for forensic analysis after a process interruption. Ultimately, the Schneider 140ERT85420 is a critical module for enhancing system transparency, reliability, and compliance in time-sensitive industries.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |



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