General Electric IS220PAOCH1A
General Electric IS220PAOCH1A
General Electric IS220PAOCH1A
General Electric IS220PAOCH1A
General Electric IS220PAOCH1A
General Electric IS220PAOCH1A
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IS220PAOCH1A

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The GE IS220PAOCH1A analog output module is a core component of the Mark VIe gas turbine control and management system. It integrates an internal BPPB processor board and a dedicated acquisition board optimized for precise analog output functionality.
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Technical specifications for IS220PAOCH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS220PAOCH1A
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    Analog Output Module
  • Stock:
    1
  • Analog Output Channels:
    Up to 8 Simplex
  • Output Signal Type:
    0-20 mA Current Loop
  • Feedback Monitoring:
    Analog-to-Digital Converter per Output
  • Ethernet Interface:
    Dual RJ-45 Connectors
  • Power Input:
    Three-Pin Connector
  • Terminal Board Connector:
    DC-37 Pin Connector
  • Diagnostic Indication:
    LED Status Indicators
  • Compatible Terminal Boards:
    TBAOH1C, STAOH1A/H2A
  • Redundancy Support:
    Simplex Only
  • Max Analog Outputs (TBAOH1C):
    16
  • Max Analog Outputs (STAOH1A/H2A):
    16
  • Network Protocol:
    I/O Ethernet
  • Weight:
    0.42 kg
  • Estimated shipping dimensions:
    12.8x8.2x6cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Use Cases Operating Environment Diagnostics & Protection

Features:

  • Bridge Between I/O Ethernet Networks and Analog Output Terminal Boards
  • Merges BPPB Processor Control with Dedicated Analog Output Acquisition Circuitry
  • Functions Alongside TBAOH1C and STAOH1A/H2A Terminal Boards in Mark VIe Systems
Seamless network integration is standard with the IS220PAOCH1A, and using dual Ethernet connections allows redundant communication paths to maintain control integrity in the event of a single network failure. The IS220PAOCH1A has been designed specifically for the analog output function within the PAOC I/O pack family, incorporating tailored signal conditioning and feedback monitoring capabilities within the Mark VIe architecture.

The IS220PAOCH1A provides essential analog output functions common to turbine control applications, and is a critical component of the control signal path, directly affecting the proper, normal operation of valve positioning, actuator control, and other current-loop driven devices. One or two IS220PAOCH1A I/O packs are deployed per terminal board depending on the required output channel count and system configuration. The IS220PAOCH1A occupies a compact I/O pack form factor and is always mounted directly onto its companion terminal board via the DC-37 pin connector.

For expanded output channel applications, the Mark VIe system allows multiple IS220PAOCH1A modules to be deployed across compatible terminal boards. In addition to standard single-network operation, the dual Ethernet configuration also performs automatic failover. The IS220PAOCH1A dual network configuration executes communication redundancy using the dual RJ-45 Ethernet ports specified in the module design.

The IS220PAOCH1A General Electric Analog Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS220PAOCH1A Analog Output Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric IS220PAOCH1A Analog Output Module Specs

General

  • Manufacturer General Electric
  • Model IS220PAOCH1A
  • Condition New Original ready stock
  • Product Family IS220PAICH2A,IS220PAOCH1BE
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Turbine Actuator Regulation: Adjusts fuel valves, guide vanes, and governor settings.
  • Process Variable Control: Manages continuous parameters like variable speed drive modulations.
  • Industrial Closed-Loop Output: Provides precise, continuous adjustment of system power levels.
  • Temperature Limits: Performs reliably across an operating window of -30°C to 65°C.
  • Channel Profile: Houses 8 single-ended, simplex 0–20 mA current loop outputs.
  • Load Impedance Capacity: Delivers 18 V compliance, supporting burden resistances up to 900 Ω.
  • Precision Profile: Limits maximum drift to ±0.5% across total temperature and load ranges.
  • Dynamic Response: Functions at high speeds with a dynamic signal response rate exceeding 50 rad/sec.
  • Loop Feedback Verification: Loops back actual current via internal ADC to match against commanded setpoints.
  • Hardware Integrity Monitoring: Executes full power-up sequence validation checking CPU, RAM, flash, and Ethernet.
  • Hardware Suicide Relays: Automatically decouples channels if command compliance drops or hardware exceptions occur.
  • Overcurrent Protection: Contains active power monitoring to flag faults and engage isolation logic.
  • Visual Status Indication: Utilizes localized faceplate indicator LEDs for instant physical confirmation of faults.
Description
The IS220PAOCH1A is an Analog Output Module manufactured by General Electric as part of the Mark VIe control system, specifically designed for gas turbine control management systems. This IS220PAOCH1A module serves as an electrical interface between one or two I/O Ethernet networks and an analog output terminal board, enabling precise control signal transmission in demanding industrial environments. The IS220PAOCH1A incorporates a BPPB processor board and an acquisition board pair specifically tailored for the analog output function, ensuring reliable performance in critical turbine operations. Visual diagnostics on the IS220PAOCH1A are provided through indicator LEDs, allowing operators to quickly assess module status and troubleshoot issues. This IS220PAOCH1A is compatible with specific BPPx processor boards and supports analog output terminal boards including TBAOH1C and STAOH1A/H2A, with configurations supporting up to 16 analog outputs depending on the terminal board selection.

This IS220PAOCH1A Analog Output Module is specifically engineered to address the challenge of precise analog signal generation and transmission in gas turbine control systems, where accurate current loop outputs are essential for controlling fuel valves, actuator positioning, and other critical turbine components. The IS220PAOCH1A solves the problem of reliable I/O interfacing between digital control networks and analog field devices, ensuring seamless communication and control in high-availability power generation environments. This IS220PAOCH1A is widely applied in the power generation industry, particularly in gas turbine power plants, combined cycle facilities, and industrial cogeneration systems where Mark VIe control platforms are deployed. The IS220PAOCH1A also finds application in oil and gas processing facilities, petrochemical plants, and other heavy industrial settings that require robust turbine control and monitoring capabilities.

For installation and integration of the IS220PAOCH1A, the selected terminal board should be mounted firmly in the control cabinet, and the IS220PAOCH1A I/O pack should be directly connected to the connector on the terminal board. The IS220PAOCH1A must be mechanically fastened using the threaded studs located next to the Ethernet ports, which slip into a mounting bracket designed for the specific terminal board style. It is critical to position this bracket such that the DC-37 pin connector connecting the IS220PAOCH1A and the terminal board is not subjected to right-angle forces, as this adjustment should only be necessary once during the product's service life.
Revisions

Revision Part #

Also known as

IS220PAOCH1AD
IS220PAOCH1A-D, Series D, Rev D
IS220PAOCH1AF
IS220PAOCH1A-F, Series F, Rev F
IS220PAOCH1AJ
IS220PAOCH1A-J, Series J, Rev J
Alternative Names
1S220PAOCH1A IS220PAOCHIA IS22OPAOCH1A IS220PA0CH1A IS220PAICH1A IS220PAICH2A IS220PAOCH1BE IS220PDIAH1A
Technical notes
As a critical electrical interface, the IS220PAOCH1A seamlessly connects to one or two I/O Ethernet networks and analog output terminal boards. It can drive up to eight simplex 0-20 mA current loop outputs and provides continuous current feedback for each output using an onboard analog-to-digital converter. For hardware connectivity, the module features dual RJ-45 Ethernet ports, a three-pin power input, and a DC-37 pin connector for direct insertion into compatible terminal boards. Onboard indicator lights provide real-time visual diagnostics.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What industries commonly use the IS220PAOCH1A?
The IS220PAOCH1A is widely used in gas turbine control systems, power generation facilities, and large-scale industrial processing plants where reliable analog output control is essential.
Which terminal boards are compatible with the IS220PAOCH1A?
The IS220PAOCH1A is designed for simplex applications and is compatible with the TBAOH1C and STAOH1A/H2A analog output terminal boards, supporting up to 16 or 8 analog output channels depending on the configuration.
How is the IS220PAOCH1A installed?
Installation begins by mounting the appropriate terminal board. The I/O pack is then connected directly to the board and secured using threaded studs attached to a dedicated mounting bracket for reliable mechanical support.

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