IS220YDIAS1A | GE Mark VIeS SIL3 Discrete Contact Input I/O Pack

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GE IS220YDIAS1A Mark VIeS SIL3 discrete contact input module for SIS turbine safety interlock. New & surplus stock, fully tested, worldwide shipping for power and oil & gas projects.

IS220YDIAS1A is a SIL 3 certified discrete contact input I/O pack for GE Mark VIe and Mark VIeS Safety Instrumented Systems (SIS). It captures dry contact status signals from field limit switches, pressure switches, relay contacts and safety interlock devices, then transmits digital data to Mark VIe controllers via IONet. It is widely deployed for gas turbine, steam turbine and compressor safety protection in power generation, oil & gas and petrochemical plants.

Manufacturer: GE Series: Mark VIe / Mark VIeS Part Number: IS220YDIAS1A Product Type: SIL3 Discrete Contact Input I/O Pack Power: Nominal 28VDC (operating range 18–32VDC) Compatible Terminal Boards: IS200STCIS1A, IS200STCIS2A, IS400STCIS1A, IS400STCIS2A Operating Temperature: -35°C ~ +65°C Certifications: UL, CE, SIL3 for safety loops

This I/O pack must pair with matching STCIS terminal boards for field wiring. It supports multi-range contact wetting voltages including 24V, 48V and 125V DC. Built-in hardware diagnostics detect open circuit and short circuit faults, ensuring integrity for safety interlock logic. Front panel LED indicators provide real-time channel status for fast on-site troubleshooting.

We supply new, surplus and refurbished IS220YDIAS1A units. Every module undergoes complete functional testing before shipment and comes with warranty. We offer worldwide shipping for plant MRO spare parts, system retrofits and emergency replacement orders.

Key Features

• SIL 3 certified for Mark VIeS safety instrumented systems (SIS)
• Dry contact input for safety interlock and equipment status monitoring
• Multiple contact wetting voltage options: 24V / 48V /125V DC
• Group isolation for noise immunity in turbine hall environments
• Built-in circuit diagnostics for open/short fault detection
• Front LED status indicators for quick maintenance
• IONet communication interface to Mark VIe controllers
• UL & CE approved, suitable for hazardous and non-hazardous locations

Related Part Numbers

IS220YDIAS1A, IS220YAICS1A, IS220UCSAH1A, IS200STCIS1A, IS200STCIS2A

Contact us if you need IS220YDIAS1A datasheet, stock availability, technical specifications or quotation.

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