GE Energy IS200SHRAH2A Mark VIe HART Enabled Analog Input/Output Board

Description

The GE Energy IS200SHRAH2A is a HART-enabled analog Input/Output (I/O) terminal board designed for the GE Mark VIe control system series. It provides essential signal interfacing between field transmitters, actuators, and the corresponding PHRA or YHRA I/O packs within the Mark VIe architecture. The board accepts up to ten analog inputs and two analog outputs, enabling bidirectional digital communication over standard 4–20 mA analog current loops via the HART (Highway Addressable Remote Transducer) protocol.

The IS200SHRAH2A interfaces with the PHRA I/O pack through a high-density 62-pin D-type connector. Ethernet communication is used to transmit signal data and diagnostics from the I/O pack to the main Mark VIe controller assembly. Designed for high-density panel integration, the board supports DIN rail mounting and utilizes a plastic holder housed within a sheet metal carrier to protect internal electronics and maintain mechanical stability in industrial environments.

For flexible field adaptation, the IS200SHRAH2A includes 20 hardware jumpers. Each jumper is clearly labeled with a designator and assigned a factory-specified function, allowing hardware configuration for voltage or current input selection as well as return-to-common connection settings. The board features conformal coating (Functional Revision A) to protect against environmental contaminants, dust, and moisture in harsh operating conditions.

Features

• HART Digital Communication: Enables full HART protocol pass-through over 4–20 mA current loops for two-way field device calibration, asset management, and diagnostics.
• High-Density Analog Interfacing: Supports ten total analog inputs and two analog outputs on a single compact terminal board.
• Mark VIe I/O Pack Integration: Features a 62-pin D-type connector engineered for direct interfacing with GE Mark VIe PHRA and YHRA I/O packs.
• Customizable Field Jumpers: Incorporates 20 individually labeled jumpers to configure signal types (voltage/current) and loop return paths.
• Rugged Mechanical Design: Built with a sheet metal carrier and plastic holder for DIN rail mounting, ensuring mechanical protection and vibration resistance.
• Conformal Coating: Functional revision A includes conformal coating to safeguard printed circuit board components against industrial environmental exposure.
• High-Density Wiring Headers: Equipped with right-angle headers compatible with Euro-block terminal strips for simple field wiring and maintenance.

Applications

• Turbine Control Systems: Interfacing field transmitters and control valves with GE Mark VIe control platforms in steam and gas turbine power plants.
• HART Transmitter & Valve Integration: Connecting smart instruments (pressure, temperature, flow, and level) requiring digital HART diagnostics to centralized DCS networks.
• Simplex Control Architectures: Serving as a dedicated analog I/O interface point in simplex Mark VIe control cabinet configurations.

Technical Specifications

General

Input / Output & HART Signals

Connections / Interfaces

Installation Guidelines

1. Pre-Installation Inspection: Visually inspect the IS200SHRAH2A board for physical damage to the sheet metal carrier, Euro-block headers, or 62-pin D-type connector before installation.
2. Power Isolation: Ensure all power supplies feeding the Mark VIe I/O cabinet and field signal loops are fully de-energized prior to mounting or wiring.
3. DIN Rail Mounting: Secure the assembly onto the standard DIN rail using its plastic holder and sheet metal carrier frame.
4. Jumper Configuration: Set the 20 onboard hardware jumpers to match the signal requirements (voltage vs. current inputs, return-to-common connection) for each specific channel according to system loop drawings.
5. Field Wiring: Connect field transmitter and actuator lines to the high-density right-angle Euro-block terminal headers. Verify proper polarity and grounding/shielding practices.
6. I/O Pack Attachment: Carefully align and mate the PHRA or YHRA I/O pack onto the 62-pin D-type connector until fully seated and secured.
7. Commissioning Checks: Power up the system and verify channel communication, HART field device pass-through, and LED status indicators on the connected I/O pack.

Replacement Recommendations

• System Compatibility Check: Confirm that the existing installation uses a Mark VIe system with a 62-pin connection interface. The IS200SHRAH2A cannot be installed in older Mark VI systems due to connector pin-count differences (62-pin vs. 37-pin).
• Jumper Verification: Prior to installing a replacement IS200SHRAH2A board, record and replicate the exact position of all 20 jumpers from the original board to ensure signal compatibility with field devices.
• Firmware and I/O Pack Handling: Ensure the attached PHRA or YHRA I/O pack is offline before disconnecting it from the 62-pin D-type header to prevent potential signal disruption on active channels.

Frequently Asked Questions

What is the primary function of the GE IS200SHRAH2A terminal board?

The GE IS200SHRAH2A serves as a HART-enabled analog Input/Output terminal board within the Mark VIe system. It interfaces ten analog inputs and two analog outputs from field instruments to PHRA or YHRA I/O packs, supporting digital HART communication over standard analog loops.

Can the IS200SHRAH2A be used as a direct replacement in older GE Mark VI systems? 

No, the board is not compatible with Mark VI systems. The IS200SHRAH2A uses a 62-pin D-type connector designed specifically for Mark VIe PHRA/YHRA I/O packs, whereas legacy Mark VI systems utilize 37-pin connectors.

How are the analog signal types configured on the IS200SHRAH2A?

 The board features 20 labeled hardware jumpers. Engineers can manually position these jumpers to set individual channels for voltage or current inputs and to configure return-to-common connections according to project wiring requirements.

What system redundancy configurations are supported by the IS200SHRAH2A? 

The IS200SHRAH2A hardware design specifically supports simplex Mark VIe system topologies.

What physical mounting and environmental protections are included with this board? 

The board includes a plastic holder and sheet metal carrier frame designed for DIN rail mounting. It also features conformal coating (Functional Revision A) on the PCB to protect components from moisture and atmospheric contamination.