The GE IS230PCAAH1A PCAA Core Analog Module is a Mark VIe distributed I/O assembly that provides thermocouple inputs, analog current loops, seismic inputs, LVDT excitation, pulse‑rate inputs, and servo‑coil outputs for gas turbine control. It operates with TCAS/TCAT terminal boards and supports simplex, dual, and TMR architectures.
Specifications
Manufacturer: General Electric
Part Number: IS230PCAAH1A
Series: Mark VIe
Product Type: PCAA Core Analog Module
Technology: Surface‑mount
Thermocouple Types: E, J, K, S, T
Number of Channels: 12
Span: –8 mV to +45 mV
Common Mode Voltage: ±5 V
Analog Voltage Inputs: 6
Dimensions: 11.00 × 9.00 × 3.00
Operating Temperature: 0 to 60 °C
Repair Lead Time: 3–7 days
Availability: In stock
Country of Origin: United States
Manual Reference: GEH‑6721G
Features
Wide Analog Capability: Supports thermocouples, 4–20 mA loops, seismic inputs, LVDT excitation, pulse‑rate inputs, and servo outputs
Simplex/Dual/TMR Support: Operates in all Mark VIe redundancy configurations
TCAT/TCAS Integration: Uses two 68‑pin cables for terminal‑board interfacing
High‑Speed Processor: Includes RAM, flash, watchdog timer, ambient sensor, and programmable logic
Dual Ethernet Ports: Two independent 10/100 Ethernet ports for IONet communication
Robust Power Handling: Soft‑start input, local power supplies, sequencing, and monitoring
120‑Terminal Field Wiring: Euro‑style terminals for field device I/O
Least Replaceable Unit: Module is replaced as a complete assembly; internal boards are not serviced individually
FAQ
What does IS230PCAAH1A do: It provides core analog I/O for gas turbine control, including thermocouples, LVDTs, seismic inputs, and servo outputs.
How does it connect to TCAT: Through two 68‑pin cables on connectors P1 and P2.
Does it support TMR: Yes, PCAA modules operate in simplex, dual, and TMR systems.
Can individual boards be replaced: No, the module is treated as a single replaceable unit.
What thermocouple types are supported: E, J, K, S, and T.
