Product Overview

The General Electric IS420UCSCS2 is a Mark VIeS safety controller module used to execute safety-rated logic in applications where hazardous events must be detected and managed with deterministic response. It operates as a dedicated safety processor within Mark VIe/Mark VIeS architectures, coordinating with I/O packs over an Ethernet-based control network and supporting high-availability configurations for critical shutdown and protection functions.

This controller is typically deployed in continuous-duty environments where functional safety integrity, predictable execution, and maintainable redundancy are required for plant risk reduction.

Key Technical Characteristics

• Model / order number: IS420UCSCS2

• Module type: Mark VIeS safety controller

• Product series: Mark VIe / Mark VIeS

• Primary role: Execution of safety logic and safety system coordination

• Processor platform: Dual-core AMD G-Series processor, 1.6 GHz

• Functional safety support: Suitable for SIL 2 and SIL 3 safety implementations when applied within a compliant system design

• Redundancy options: Supports simplex, dual, and TMR safety architectures depending on system configuration

• Communications capability: Ethernet connectivity with Modbus master support

• Hardware indicators and interfaces: Power status indication and optical/Ethernet interface ports depending on assembly configuration

• Handling and storage requirement: ESD-safe handling and static-protective storage recommended

• Condition: Brand new

• Product lifecycle status: Active

• Country of origin: USA

• Availability: In stock

• Minimum order quantity: 1

• Approximate dimensions: 5.5 × 12.3 × 20.3 cm

• Approximate weight: 1.52 kg

• HS code: 8537101190

• System application: DCS and safety instrumented systems

• Communication service: Ethernet router

Industrial Applications

• Safety instrumented functions in power generation control systems

• Turbine safety and protective shutdown logic in Mark VIeS architectures

• Oil and gas process safety loops requiring redundancy and deterministic execution

• Critical process industries implementing SIL-rated shutdown and interlock strategies

• Installed-base replacement for IS420UCSCS2 safety controllers in existing Mark VIeS systems