GE IS220P Series Modules IS220PRROH1A

Technical Dossier

Product Details And Specifications

GE IS220P Series Technical Notes

The Evolution of IS220P Architecture

The IS220P series succeeded the earlier IS200 and IS215 module families introduced under the Mark VI platform in the late 1990s. The transition to Mark VIe in the mid-2000s brought a shift from proprietary backplane communication to Ethernet-based I/O (EtherCAT-derived IONet), enabling higher data throughput and simplified diagnostics. IS220P modules introduced standardized 24 VDC logic power rails, improved EMI shielding for high-noise industrial environments, and modular terminal board designs that reduced field wiring time. Early IS220P revisions (Rev A/B) used parallel backplane addressing; later revisions (Rev C onward) adopted serial IONet addressing, creating compatibility constraints when mixing module generations within the same I/O rack. Facilities upgrading from Mark VI to Mark VIe must verify terminal board compatibility (IS200 vs. IS220 terminal boards are not interchangeable without adapter kits). As of 2024, GE Vernova has formally classified the majority of IS220P variants as mature/end-of-active-production, with lifecycle support available through authorized service channels and independent MRO suppliers.

IS220P Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the IS220P series, organized by functional category:

Redundancy & Relay Output Modules

IS220PRROH1A: Redundant relay output module, 16-channel, TMR-compatible, 24 VDC logic
IS220PRROH1B: Redundant relay output module Rev B, enhanced contact rating, drop-in replacement for H1A
IS220PRRAH1A: Redundant relay output module, analog-hybrid variant, 8-channel relay + 4-channel AO

Analog Input Modules

IS220PAICH1A: Analog input module, 16-channel, 4–20 mA / 0–10 V, HART pass-through capable
IS220PAICH1B: Analog input module Rev B, extended temperature range, improved ADC resolution
IS220PAIAH1A: Analog input module, high-density 32-channel, single-ended, 4–20 mA
IS220PTCCH1A: Thermocouple input module, 16-channel, J/K/T/E/R/S/B type, cold-junction compensated

Analog Output Modules

IS220PAOAH1A: Analog output module, 8-channel, 4–20 mA, loop-powered, HART revision 5/6/7
IS220PAOAH1B: Analog output module Rev B, increased output compliance voltage, improved fault detection

Digital Input Modules

IS220PDIAH1A: Digital input module, 32-channel, 24 VDC, optically isolated, group-common return
IS220PDIBH1A: Digital input module, 32-channel, 125 VDC, high-voltage field wiring
IS220PDIOH1A: Digital input module, 16-channel, configurable sourcing/sinking, diagnostic per-channel

Digital Output Modules

IS220PDOAH1A: Digital output module, 16-channel, 24 VDC sourcing, 0.5 A per channel, short-circuit protected
IS220PDOAH1B: Digital output module Rev B, increased surge immunity, CE/ATEX marking

Communication & CPU Modules

IS220PSCAH1A: Serial communication adapter, RS-232/RS-485, Modbus RTU master/slave
IS220PTURH1A: Turbine I/O interface module, speed/position input, magnetic pickup compatible
IS220PVIBH1A: Vibration monitoring input module, 8-channel, Bently Nevada protocol compatible