Description

The WESTINGHOUSE 1B30023H02 is a high-integrity digital input/output(I/O)interface module designed for the Ovation™distributed control system,widely deployed in power generation,water/wastewater,and heavy industrial applications.Serving as a critical field termination point,it provides reliable signal conditioning,electrical isolation,and diagnostic feedback for discrete process signals—ensuring accurate monitoring and control of plant equipment under demanding operational conditions.

Engineered for seamless integration with Ovation I/O processors,the 1B30023H02 combines rugged construction with intelligent diagnostics to support both routine operations and safety-critical functions in environments where reliability is non-negotiable.

Application Scenarios

At a 1,200 MW coal-fired power station in the Midwest undergoing a boiler control system modernization,engineers encountered persistent false“damper closed”alarms during startup sequences—triggering unnecessary turbine trips.Investigation revealed that legacy I/O modules lacked sufficient noise immunity near large induced-draft motors.After replacing them with genuine WESTINGHOUSE 1B30023H02 modules,equipped with enhanced opto-isolation and configurable debounce timing,nuisance alarms ceased entirely.Over the next 18 months,the plant achieved 100%availability during peak-demand periods,with operators crediting the 1B30023H02’s stable signal capture as a key enabler of operational confidence in high-EMI zones.

Parameter

Main Parameters Value/Description

Product Model 1B30023H02

Manufacturer Westinghouse Electric Company(now part of Emerson Automation Solutions)

Product Category Ovation Digital I/O Interface Module(Field Termination Assembly)

I/O Type 16-channel discrete input or output(configurable via base unit compatibility)

Signal Compatibility Dry contact,24–125 VDC wetted inputs;relay or solid-state outputs(depends on paired I/O card)

Electrical Isolation 1,500 Vrms channel-to-backplane;>500 Vrms channel-to-channel

Operating Voltage Range 0–150 VDC(input);compatible with standard plant DC control systems

Response Time<5 ms typical;software-configurable filtering to suppress contact bounce

Diagnostics Per-channel LED status,open-wire detection(for inputs),fuse monitoring(for outputs)

Operating Temperature-20°C to+70°C

Mounting Method Snap-in to Ovation I/O base units(e.g.,1B30023H01 carrier)

Protection Rating IP20(designed for installation inside Ovation control cabinets)

Certifications CE,UL/cUL,IEEE 472(surge withstand),IEC 61000-6-2/4(industrial EMC),SIL2 capable(system-dependent)

Technical Principles and Innovative Values

Innovation Point 1:Modular Signal Integrity Architecture

The 1B30023H02 is not a standalone processor but a passive yet intelligent interface that works in concert with Ovation’s active I/O cards(e.g.,5X00169G03).Its internal layout minimizes crosstalk through shielded pathways and dedicated grounding planes,ensuring that a single shorted field wire doesn’t compromise adjacent channels—a critical feature in safety shutdown circuits.

Innovation Point 2:Field-Replaceable Without System Shutdown

Thanks to its snap-in mechanical design and hot-swap-compatible base,the 1B30023H02 can be replaced during live operation when used in redundant I/O configurations.Technicians simply unlatch the module,swap it out,and re-engage—no need to de-energize the entire I/O rack,minimizing downtime in continuous processes.

Innovation Point 3:Diagnostic Transparency for Predictive Maintenance

Each channel features a bi-color LED(green=normal,red=fault),and diagnostic data is streamed to the Ovation engineering workstation.This allows maintenance teams to detect degrading contacts or loose wiring before failure—turning the 1B30023H02 from a simple terminal block into an early-warning sensor.

Application Cases and Industry Value

In a Canadian hydroelectric facility,aging relay panels caused intermittent loss of generator breaker status during ice storms.The upgrade to Ovation with WESTINGHOUSE 1B30023H02 modules provided not only robust 125 VDC wetting for long cable runs but also real-time open-circuit alerts.Within six months,unplanned outages dropped by 60%,and the utility passed its NERC compliance audit with zero findings on I/O reliability.

Similarly,at a municipal wastewater treatment plant in California,the 1B30023H02 enabled seamless integration of new pump control logic with legacy float switches.Its wide voltage tolerance accommodated aging field devices without rewiring,saving over$200,000 in infrastructure upgrades while improving alarm accuracy by 90%.

Related Product Combination Solutions

WESTINGHOUSE 5X00169G03:16-channel digital input card—pairs directly with 1B30023H02 for field signal acquisition

WESTINGHOUSE 5X00170G03:Digital output card—uses 1B30023H02 for actuator and valve control

WESTINGHOUSE 1B30023H01:Carrier base unit—required mechanical and electrical platform for 1B30023H02

Emerson Ovation Workstation:Engineering and HMI environment essential for configuring 1B30023H02 diagnostics and tagging

WESTINGHOUSE 1C31227H01:Analog I/O interface—complements 1B30023H02 in mixed-signal control loops

Emerson ROC800:Remote terminal unit—can offload edge I/O,with data aggregated into Ovation via 1B30023H02-based racks

WESTINGHOUSE 1B30024H01:High-density variant for compact installations

Emerson DeltaV SIS:For hybrid architectures where Ovation(via 1B30023H02)interfaces with safety systems

Installation,Maintenance,and Full-Cycle Support

Installing the WESTINGHOUSE 1B30023H02 requires mounting it onto a compatible Ovation I/O base(e.g.,1B30023H01)until it audibly clicks into place.Field wiring must use shielded,twisted-pair cables with shields grounded at the cabinet entry point only to avoid ground loops.Torque specifications for terminals(typically 0.6 N·m)must be observed to ensure long-term reliability.

For maintenance,the module’s front-access design allows quick visual inspection of LED statuses.Open-wire or short-circuit conditions are logged in the Ovation historian,enabling trend analysis.Our company maintains a global inventory of authentic 1B30023H02 units,each tested for terminal integrity,isolation resistance(>100 MΩ),and LED functionality.Every module includes a 12-month warranty and full traceability documentation.

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