1C31233G01 Ovation / Westinghouse DI Module 24VDC

Availability: 99 left in stock

Product Overview The Emerson Ovation 1C31233G01 functions as a high-speed Digital Input (DI) module designed for the Ovation™ Distributed Control System (DCS)....

SKU: 1C31233G01

Manufacturer: Emerson
Product No.: 1C31233G01
Product Type: Digital Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Emerson Ovation 1C31233G01 functions as a high-speed Digital Input (DI) module designed for the Ovation™ Distributed Control System (DCS). This module captures discrete ON/OFF signals from critical field hardware, including limit switches, pushbuttons, relay contacts, and protection interlocks. It digitizes these field inputs into logic-level data for real-time monitoring and Sequence of Events (SOE) recording. We provide this unit as 100% Brand New and Original, ensuring the high-speed response and electrical isolation necessary for stable turbine and boiler protection circuits.

Technical Specifications

The 1C31233G01 utilizes high-grade optical isolation to maintain signal integrity in electrically noisy power plant environments.

Parameter	Specification
Model Number	1C31233G01
Input Channels	16 Isolated Digital Inputs
Nominal Input Voltage	24 VDC (0–30 VDC range supported)
Logic Thresholds	Logic “1” ≥ 15 VDC; Logic “0” ≤ 5 VDC
Isolation	Optical Isolation; 2500 V RMS to System
Scan Time	< 1 ms per channel (Fast Acquisition)
Power Consumption	3 W
Operating Temp	0°C to +60°C
Storage Temp	–40°C to +85°C
Dimensions	50 × 240 × 200 mm
Weight	1.4 kg (3.0 kg shipping weight)
Country of Origin	United States

Engineering Advantages

Ultra-Fast Signal Response: With a scan time of less than 1ms per channel, the 1C31233G01 excels in Sequence of Events (SOE) applications. This speed allows the DCS to accurately timestamp breaker trips or safety interlock activations, which is vital for post-trip root cause analysis.
Optical Isolation Barriers: Each of the 16 channels features independent optical isolation. This architecture protects the sensitive Ovation backplane from field-side surges and ground loops up to 2500V RMS, effectively preventing a single field fault from compromising the entire controller rack.
Efficient Cabinet Utilization: The high channel density allows engineers to monitor more field devices within a smaller physical footprint. This minimizes the number of I/O racks required and simplifies wiring for complex balance-of-plant (BOP) systems.
Bumpless Maintenance: The module supports full hot-swap capability. Maintenance personnel can replace a module while the system remains energized, ensuring that equipment status monitoring continues without requiring a complete process shutdown.
Visual Status Feedback: Integrated LED indicators provide immediate visual confirmation of channel activity and module health. This simplifies field troubleshooting by allowing technicians to verify signal presence at a glance without specialized test equipment.

FAQs

Can the 1C31233G01 handle 48VDC inputs?

No. This module is specifically rated for 24VDC nominal inputs (max 30VDC). Applying 48VDC will likely damage the optical isolation circuitry. For 48VDC applications, please specify the appropriate high-voltage DI variant for your Ovation system.
What is the difference between this and a standard non-isolated DI module?

Standard modules often share a common ground, which increases the risk of noise interference. The 1C31233G01 provides 2500V RMS isolation per channel, making it far superior for high-noise industrial environments like power plant turbine decks.
How do I ensure the best timing accuracy for SOE recording?

To maximize the <1ms scan time benefit, ensure your Ovation controller task speed matches the requirements for your protective logic. Use shielded twisted-pair cables for the 24VDC field runs to minimize induced noise that could cause false logic transitions.
Does this module support both wetted and dry contact inputs?

Yes. The 1C31233G01 interfaces with dry contacts (using the system's 24VDC power) or wetted contacts provided by external field power, provided the voltage levels stay within the 15-30VDC range for a Logic "1".

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.