GE IS210 Modules

Technical Dossier

Product Details And Specifications

GE IS210 Series: Comprehensive Module Range and Technical Overview

The GE IS210 series constitutes the primary I/O and control module family for the GE Mark VI and Mark VIe Turbine Control Systems — the dominant distributed control platform deployed across gas turbines, steam turbines, and combined-cycle power generation units globally. Installations span petrochemical complexes, nuclear auxiliary systems, LNG terminals, offshore platforms, and refinery utilities across North America, Europe, the Middle East, and Asia-Pacific. The IS210 series operates within the VME-based backplane architecture of the Mark VI and the later Ethernet-based IONet architecture of the Mark VIe, providing deterministic real-time control with redundancy configurations up to triple modular redundancy (TMR). The installed base of Mark VI and Mark VIe systems exceeds tens of thousands of turbine units worldwide, making IS210 module availability a critical operational requirement for plant maintenance teams and OEM service providers.

The Evolution of IS210 Architecture

The IS210 module family was introduced alongside the Mark VI platform in the mid-1990s as GE's successor to the Mark V (IS200 series) control system. The Mark VI employed a VME backplane with proprietary IONet serial communication between the controller (VCMI) and I/O packs. Modules in this generation — including the IS210BPPBH2CAA — are passive backplane boards that interface between the terminal board layer and the VME controller rack.

With the introduction of the Mark VIe in the mid-2000s, GE transitioned to an Ethernet-based IONet (100 Mbps) and a distributed I/O pack architecture. Many IS210-series terminal boards retained physical and functional compatibility across both generations, though firmware and communication card requirements differ. The Mark VIe introduced the UCSC, UCSA, and UCSB controller modules, replacing the VCMI/VCCA architecture of the Mark VI. Plants operating mixed Mark VI / Mark VIe environments must carefully manage IS210 module revisions (suffix letters: A, B, C, D, E) to ensure backplane and firmware compatibility. End-of-production notices for several IS210 variants were issued between 2015 and 2020, though GE continues to offer repair and limited new-manufacture supply through its Parts & Repairs division.

IS210 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the GE IS210 series. Modules are classified by functional category.

Backplane & Passive Interface Boards

• IS210BPPBH2CAA: Mark VI VME backplane passive printed circuit board, 2-slot configuration, revision H2C
• IS210BPPBH1CAA: Mark VI VME backplane passive board, 1-slot variant, compatible with standard I/O rack
• IS210BPPBH3CAA: Mark VI VME backplane board, 3-slot extended configuration for high-density I/O racks

Analog Input Modules

• IS210AIAH1AAA: Analog input terminal board, 16-channel, 4–20 mA / 0–10 V, for process variable acquisition
• IS210AIAH1BAA: Analog input board, revision B, enhanced EMI filtering for refinery environments
• IS210AEPAH1B: Analog input/output combination board, used in exhaust thermocouple and pressure sensing loops

Digital Input Modules

• IS210DAIAH1AAA: Digital input terminal board, 24 VDC, 32-channel, discrete contact sensing
• IS210DAIAH1BAA: Digital input board, revision B, with extended diagnostic LED array
• IS210DTBAH1A: Digital input terminal board for turbine protection logic, hardwired trip inputs

Digital Output Modules

• IS210DAOAH1A: Digital output terminal board, relay-driven, 16-channel, 24 VDC coil drive
• IS210DAOAH1B: Digital output board, revision B, solid-state output option for high-cycle applications

Thermocouple & RTD Input Modules

• IS210TICAH1A: Thermocouple input board, 16-channel, Type K/J/T/E/R/S/B, cold junction compensated
• IS210TICAH1B: Thermocouple input board, revision B, with improved cold junction accuracy ±0.5°C
• IS210RTDAH1A: RTD input terminal board, 8-channel, 3-wire PT100/PT1000 configuration

Communication & Network Adapter Modules

• IS210VCMIH2C: VME communication module, primary IONet interface card for Mark VI controller rack
• IS210VCMIH2B: VME communication module, revision B, earlier IONet firmware baseline

Power Supply & Distribution Modules

• IS210PSVOH1B: Power supply distribution board, 28 VDC regulated output, rack-level power conditioning
• IS210PSVOH1A: Power supply board, revision A, standard rack power distribution for Mark VI I/O enclosures

Sourcing Hard-to-Find & Obsolete IS210 Parts

DriveKNMS maintains a dedicated inventory program for IS210 series modules, with particular focus on variants that GE has discontinued or placed on extended lead-time allocation. The IS210BPPBH2CAA and related backplane boards are no longer in standard production; sourcing requires access to tested surplus, factory-refurbished, or OEM-repaired stock.

DriveKNMS provides the following lifecycle extension services for the IS210 range:

• Verified surplus inventory with full traceability documentation
• Third-party repair and functional test for boards with known failure modes (backplane trace damage, connector wear, capacitor degradation)
• Cross-reference matching for revision substitutions (e.g., H1C → H2C compatibility assessment)
• Emergency same-day dispatch for critical plant outage scenarios
• Long-term consignment and blanket order programs for utilities and EPC contractors managing multi-unit fleets

All IS210 modules sourced through DriveKNMS are accompanied by a test report and a 12-month warranty against functional failure under normal operating conditions.

Quality Control for the IS210 Range

IS210 series boards present specific test challenges due to their VME backplane bus architecture and passive signal routing functions. DriveKNMS applies the following test protocol to all IS210 modules prior to dispatch:

• Visual inspection: PCB trace continuity check, solder joint integrity, connector pin condition (J1/J2 VME connectors, field terminal connectors)
• Backplane bus continuity test: Verification of all VME bus lines (A32/D32 address/data, control lines) using automated bed-of-nails fixture
• Insulation resistance test: 500 VDC megohm test between isolated signal groups and chassis ground
• Functional rack test: Module installed in a live Mark VI test rack with VCMI communication active; IONet packet integrity and I/O channel response verified against GE factory test specifications
• Thermal cycling: 24-hour burn-in at 55°C ambient to screen latent component failures prior to shipment
• Revision verification: Hardware revision suffix confirmed against GE part number database to prevent cross-revision substitution errors