Description
GE IS220PAICH2A 336A4940CSP11 Product Introduction
Product Overview
The GE IS220PAICH2A, order code 336A4940CSP11, is a Process Analog I/O Pack (PAIC) designed for the GE Speedtronic Mark VIe turbine control system. It acts as a high-precision interface between field analog instruments and the core control platform.
This module integrates a BPPx processor board and a dedicated analog acquisition board. It digitizes field sensor signals, executes local signal processing, and outputs control commands to field devices. It supports simplex, dual and triple modular redundant (TMR) architectures to match different reliability requirements. With rugged industrial design and wide temperature tolerance, it delivers stable performance in harsh power generation and process industry environments.
Core Product Features
- 10 analog input channels with flexible configuration: 8 channels support ±5V, ±10V and 4–20mA signals, while 2 dedicated channels accept 1mA or 4–20mA current loops.
- 2 independent current loop outputs (0–20mA), with channel 1 supporting an extended 0–200mA range for high-load field actuators.
- Dual 100Mbps full-duplex Ethernet ports enable redundant network communication with Mark VIe controllers.
- Onboard processor handles local signal conditioning and preprocessing, reducing main controller load and system latency.
- Fully compatible with TMR redundant control loops for mission-critical turbine protection and regulation.
- Front-panel LED indicators provide real-time visual diagnostics for power, communication and channel status.
- DC-37 pin terminal board interface simplifies field wiring and supports hot-swap module replacement.
- Wide operating temperature range and robust circuit design suit dusty, humid and high-interference industrial sites.
Technical Specifications
- Official Model: IS220PAICH2A
- Order Code: 336A4940CSP11
- Product Type: Process Analog I/O Pack (PAIC)
- Compatible System: GE Speedtronic Mark VIe Turbine Control System
- Analog Inputs: 10 total channels
- Channels 1–8: software configurable, ±5 VDC, ±10 VDC, 4–20 mA
- Channels 9–10: dedicated current input, 1 mA / 4–20 mA selectable
- Analog Outputs: 2 channels, 0–20 mA current loop; Channel 1 supports 0–200 mA extended range
- ADC Resolution: 16-bit
- Communication: Dual 100 Mbps full-duplex Ethernet (RJ-45); DC-37 pin terminal board interface
- Redundancy Support: Simplex, dual, triple modular redundant (TMR)
- Power Input: 24 VDC via 3-pin connector; soft-start current limiting
- Power Consumption: 5.3 W typical, 6.2 W maximum
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -55°C to +85°C
- Humidity: 5% to 95% RH, non-condensing
- Mounting: Plug-in installation with mechanical stud lock
- Certifications: CE, UL, industrial EMC compliance
Application Fields
- Gas and steam turbine control and protection systems in thermal power plants
- Hydro turbine unit monitoring and speed regulation
- Oil, gas and petrochemical process control and field instrumentation
- Critical industrial processes requiring TMR redundant control architecture
- Legacy Mark V / Mark VI control system retrofit and performance upgrade
- DCS analog signal conditioning and distributed control interface
Related Model Recommendations
- IS220PAICH1A: Base-version PAIC module with reduced channel count for cost-sensitive small-scale applications.
- IS420YAICS1B: Analog I/O pack for Mark VIeS safety systems, with expanded protection and SIL functionality.
- IS215UCVEH2AE: Mark VIe main controller CPU board that communicates with PAIC modules over the control network.
- IS200TBCIH1BBC: Basic control interface board for signal routing and coordination between I/O packs and the control rack.
