The Ovation 1C31238H01 is a compact P-Mod digital input module in Emerson DCS system. Officially cataloged as PMOD Cavity Insert, Compact Digital Input, it is also commonly referred to as a PMOD cavity insert. Equipped with 16-channel digital input capability, it supports both event input and contact input functions simultaneously. It can convert digital signals such as dry contacts and pulses from field devices into a format recognizable by the system, and is suitable for industrial scenarios including discrete control, process monitoring and safety interlocking. As a reliable front-end signal acquisition and access component for the Ovation DCS, it helps users achieve precise control and real-time monitoring of industrial processes.
Core Parameters
| Parameter Category | Specifications |
|---|---|
| Channel Configuration | 16 independent digital input channels with channel-level isolation |
| Signal Types | Dry contact input, event input, pulse signal input |
| Rated Input Voltage | 24V DC standard input, compatible with common industrial field signal levels |
| Power Consumption | Approximately 5W; low-power design suitable for centralized cabinet power supply requirements |
| Operating Environment | Operating temperature: -40°C to +70°C, resistant to harsh industrial environments; protection class compatible with cabinet-mounted scenarios |
| Physical Specifications | Compact P-Mod card size, compatible with Ovation system standard P-Mod bases for high-density installation |
Core Functions & Advantages
- Multi-type Signal CompatibilityIn addition to the collection of conventional dry contact signals, it can capture event signals and pulse signals triggered by equipment actions. It is suitable for various field signal scenarios such as motor start/stop, valve opening/closing, and counter pulses, meeting diversified data acquisition requirements.
- High-reliability DesignAdopting industrial-grade components and strict manufacturing processes, it features anti-electromagnetic interference capability. The channel-to-channel isolation design prevents signal crosstalk, ensuring long-term stable operation under complex working conditions and reducing system failure rates and maintenance costs.
- Easy Integration & MaintenanceAs a standard P-Mod card of the Ovation DCS, it can be directly plugged into the system’s P-Mod base without complicated wiring or debugging. The module supports online diagnostic functions, enabling quick fault location of channels, shortening maintenance downtime, and improving system availability.
- Flexible Expansion CapabilityThe compact and high-channel-density design allows expanding the system’s input capacity within limited cabinet space. It adapts to DCS configuration requirements of different scales, ranging from small and medium-sized units to large-scale integrated plants, helping users optimize system architecture and cost investment.
Application Scenarios
- Process Industry MonitoringIn industries such as petrochemicals, power energy, and water treatment, it is used to collect operation status signals of equipment including pumps, fans, and control valves. It provides input for DCS control logic, enabling closed-loop control of process parameters and alarm triggering for abnormal working conditions.
- Discrete Manufacturing ControlIn discrete production scenarios like automotive manufacturing and electronic processing, it captures switch signals from production line sensors and actuators, supporting discrete control requirements such as equipment interlock control and production rhythm synchronization.
- Safety Instrumented System (SIS)It connects safety-related signals from emergency stop buttons, pressure/temperature overlimit switches, etc., and provides trigger signals for the SIS to ensure the safety of personnel and equipment during industrial production processes.
- Data Acquisition & Remote MonitoringCombined with the data processing capability of the Ovation system, it enables centralized collection, storage and upload of field signals. It helps users build plant-level data platforms to support remote operation and maintenance as well as data analysis applications.
Compatibility & Adaptability
- Designed exclusively for the Ovation DCS system, this module must be used with the P-Mod base of the Ovation system. It can be seamlessly integrated into the I/O link of Ovation controllers, and supports data interaction with the engineering stations and operator stations of the Ovation system. Compatible with the configuration software of the Ovation system, it allows users to complete channel configuration, signal verification, fault diagnosis and other operations via software, ensuring efficient collaborative operation between the module and the system.
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