Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | IS210BAPAH1A |
| Manufacturer | General Electric |
| Functional Acronym | BAPA |
| Product Type | PAMC Acoustic Monitoring Input / Analog Processor Module |
| Platform | GE Mark VIe |
| Associated Module | IS210SAMBH1A |
| Power Supply | 28 VDC, 0.5 A |
| Pressure Input | 12–18.5 VDC |
| Sensor Power Output | 12–18.5 VDC, 2.9–4.3 mA |
| Buffered Output | −10 to +10 VDC, 5 mA |
| Hazardous Area Certification | ATEX / IECEx certified configurations |
| Installation Environment | ATEX Zone 2 enclosure, minimum IP54 under specified conditions |
The electrical ratings above come directly from GE’s Mark VIe certification documentation. The certificate specifies the IS210BAPAH1A + IS210SAMBH1A combination and gives the 28 VDC supply, pressure-input, sensor-output, and buffered-output ratings.
One important correction to some third-party listings: descriptions claiming that this board is a generic 16-channel ±10 V / 4–20 mA analog input card are not supported by the GE certification documentation reviewed here. For procurement and engineering work, the GE-defined PAMC/acoustic-monitoring application should take precedence.
Product Introduction
The GE IS210BAPAH1A is a BAPA analog processing module used within GE Mark VIe turbine control architecture. GE documentation identifies it specifically as a PAMC Acoustic Monitoring Input Module, with the module used together with the IS210SAMBH1A. Its electrical interface includes pressure input, sensor excitation, and buffered analog output functions.
This is a specialized turbine-control component, not a general-purpose analog I/O board. That distinction matters during replacement. The module’s documented 28 VDC supply and signal interfaces must match the installed system, and hazardous-area installations must satisfy the applicable enclosure and power-supply conditions.

IS210BAPAH1A
Application Scenarios & Field Pitfalls
Engineering Pain Point
A recurring problem with older turbine-control cabinets is identifying a replacement from the board number alone. IS210BAPAH1A appears in aftermarket documentation under several generic descriptions, while GE’s own certification material gives it a much more specific role. If a maintenance team treats it as a conventional analog input module, the wrong signal wiring or associated terminal hardware can easily be selected.
Typical Applications
- Gas Turbine Control — Acoustic and pressure-related signal acquisition within Mark VIe turbine systems.
- Steam Turbine Control — Specialized analog signal processing where the installed Mark VIe configuration uses the BAPA/PAMC architecture.
- Power Generation — Turbine monitoring and protection instrumentation requiring conditioned analog signals.
- Hazardous-Area Turbine Installations — Mark VIe applications operating under the documented ATEX/IECEx installation conditions.
Technical Pitfalls to Avoid
- Verify the module’s actual system role.
GE identifies IS210BAPAH1A as a PAMC Acoustic Monitoring Input Module. Do not assume that generic reseller descriptions of “analog processor” fully describe its field function. - Check the SAMB pairing.
GE’s certification explicitly evaluates IS210BAPAH1A with IS210SAMBH1A. Before replacement, confirm that the installed system contains the expected companion hardware and that the wiring matches the equipment drawings. - Respect the hazardous-area installation conditions.
For the certified configuration, GE specifies an ATEX Zone 2-certified enclosure with at least IP54 and limits the supply arrangement to an appropriately certified switched-mode power supply with specified current limiting. These requirements are installation conditions, not optional accessories. - Do not assume 24 VDC from generic listings.
Several aftermarket descriptions publish 24 VDC ±10%, but GE’s certification documentation specifies 28 VDC, 0.5 A for the /IS210SAMBH1A combination. For a controlled replacement, use the applicable GE documentation and installed system drawings rather than an unverified catalog value.
Related Products
- GE IS210SAMBH1A — Companion module explicitly paired with in GE certification documentation. It is directly relevant when checking the complete PAMC acoustic-monitoring assembly.
- GE IS220YAICS1A — Mark VIe analog I/O module. It belongs to a different analog-I/O function and should not be substituted for BAPA without a system-level engineering review.
- GE IS200STAIS1A — Associated Mark VIe analog I/O board listed with the YAICS family. It serves a conventional analog-I/O architecture rather than the specialized BAPA application.
- GE IS200STAIS2A — Alternate STA analog I/O board within the Mark VIe hardware family. Relevant when identifying the installed analog-I/O architecture, but not a direct functional replacement for BAPA.
- GE IS220PCLAH1A — Mark VIe Control PCLA module. It belongs to a different turbine-control I/O function and is listed separately in GE’s hazardous-area certification documentation.
- GE IS220PRTDH1A — Mark VIe RTD input module. It handles RTD measurement rather than the specialized acoustic-monitoring function of .
- GE IS220YTCCS1A — Mark VIe thermocouple input module. Appropriate for compatible thermocouple measurement applications, not for replacing the BAPA/PAMC function.
- GE IS220PSVOH1A — Mark VIe PSVO servo-control module. This is a turbine actuator/servo-control component and has a substantially different role from BAPA.
- GE IS220YPROS1A — Mark VIe backup turbine-protection I/O module. It belongs to the protection architecture and may be encountered in the same turbine-control system, but it is not an analog-processing substitute for BAPA.
