Service With Updated Technology Mark* VIe I/O

Aug 12, 2025

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In February 2015, GE announced the first group of IO modules to transition to the newer technology.
 
GE is announcing that the additional IO packs below have transitioned to the upgraded technology:
Obsolete Catalog Number
Available Catalog Number
Description
Minimum Control ST Version
IS220PVIBH1A
IS420PVIBH1B
Non-Safety: Vibration Inputs non-safety
V06.01
IS220YVIBS1A
IS420YVIBS1B
Safety: Vibration Inputs SIL certified
V06.02
IS220YAICS1A
IS420YAICS1B
Safety: Analog In/Out: 10 analog input and 2
analog outputs SIL certified
V06.01
IS221YAICS1A
IS421YAICS1B
Safety: Analog In/Out: 10 analog input and 2
analog outputs
V06.01
IS220YDIAS1A
IS420YDIAS1B
Safety: Contact In: 24 discrete inputs
V06.01
IS220YDOAS1A
IS420YDOAS1B
Safety: Contact Out: 12 relays with status
feedback
V06.01
S221YDOAS1A
IS421YDOAS1B
Safety: Contact Out: 12 relays with status
feedback
V06.01
       
IS220PDIAH1A
IS220PDIAH1B
Contact In: 24 discrete inputs
 
IS220PDIIH1A
IS220PDIIH1B
Isolated Contact In: 16 discrete inputs
 
IS220PDIOH1A
IS220PDIOH1B
Discrete In/Out: 24 Contact In and 12 Type C mechanical relays
 
IS220PDOAH1A
IS220PDOAH1B
Contact Out: 12 relays with status feedback
 
IS220PAICH1A
IS220PAICH1B
Analog In/Out: 10 analog inputs and 2 analog outputs
 
IS220PAICH2A
IS220PAICH2B
Analog In/Out with 200 mA Out
 
IS220PAOCH1A
IS220PAOCH1B
Analog Out: 8, 0-20 mA outputs
 
IS220PPDAH1A
IS220PPDAH1B
Power Distribution System Feedback
 
IS220PTCCH1A
IS220PTCCH1B
Thermocouples: 12 combustion optimized inputs, 1 cold junction
 
IS220PTCCH2A
IS220PTCCH2B
Thermocouples: 12 general industry inputs, 1 cold junction
 
IS220PRTDH1A
IS220PRTDH1B
RTD In: 8 RTDs
 
IS220PSCAH1A
IS220PSCAH1B
Serial Communications: 6 channels
 
IS220PCNOH1A
IS220PCNOH1B
CANopen® Communications
 
IS220PPRFH1A
IS220PPRFH1B
PROFIBUS® Communications
 
IS220PHRAH1A
IS220PHRAH1B
Hart® Analog In/Out: 10 AI (V/I inputs) and 2 AO (0-20 mA outputs) with HART communications
 
IS230PCAAH1A
S230PCAAH1B
Core Analog In/Out for heavy-duty gas turbines
 
IS220PCLAH1A
IS220PCLAH1B
Core Analog In/Out for aero-derivative turbines
 
IS220PSVOH1A
IS220PSVOH1B
Servo Control: 2 outputs, 8 LVDTand 2 pulse rate inputs
 
IS220PTURH1A
IS220PTURH1B
Turbine In/Out: Primary Turbine protection
 
IS220PPRAS1A-H1A
IS220PPRAS1B
Turbine In/Out: Turbine Backup Protection
 
IS220PPROH1A
IS220PPROS1B
Turbine In/Out: Turbine Backup Protection