



Overview
The Ovation 1C31234G31 Contact Input Module is part of Emerson’s field-proven Ovation I/O family, engineered to gather status-type signals from a wide range of dry-contact and wetted-contact field devices. Designed for high-reliability operation in critical process environments, it provides stable detection, filtering, and electrical isolation while integrating seamlessly with Ovation controllers.
This description follows a practical engineering-note style, focusing on usability, panel design impact, and system behavior rather than marketing-style language.
Technical Specifications
| Parameter | Specification / Estimate |
|---|---|
| Module Type | Contact Input Module |
| Model Number | 1C31234G31 |
| Signal Type | Dry contact / wetted contact inputs |
| Typical Channels | 32-channel contact input (varies by configuration) |
| Input Characteristics | Debounce filtering, isolated channels, configurable logic states |
| Electrical Isolation | Channel-to-bus and channel-to-channel isolation |
| Power Requirements | Standard Ovation low-voltage backplane supply |
| Backplane Type | Ovation I/O base chassis |
| Operating Environment | Industrial-grade temperature, vibration, and EMC tolerance |
| Dimensions (H × W × D) | 190 × 110 × 30 mm |
| Weight | ≈ 0.45 kg |
| Mounting Method | Module slot in Ovation I/O chassis |
| Diagnostics | Input status, open/short indicators, module health reporting |
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