DAP201 GE

Description

Technical Parameter Table

Product introduction

The GE DAP201 is a purpose-built data-acquisition module designed for use within GE’s digital generator protection racks. This module supports the processing of sensor inputs, signal conditioning and interface mapping to the generator-control logic system. Identified also by part number 0215B8066G1, the DAP201 is housed in the standard GE rack form-factor, plugging into a 96-pin slot and functioning as a core module for generator protection panels.

Within a power-generation automation system, the GE DAP201 occupies the role of bridging field instrumentation—such as voltage, current, temperature and vibration sensors—with protection control logic. Its build supports the rigorous demands of generator oversight, where reliable data acquisition, signal integrity and system traceability are critical. Although now classified as discontinued, the DAP201 remains highly relevant for maintenance, refurbishment or upgrade of legacy GE protection installations.

By specifying the GE DAP201, maintenance planners and system integrators gain access to a module with known compatibility, strong documentation base, and a path for sustaining older generator panels. Its value lies in enabling continued system uptime, preserving parts commonality and minimizing the risk of full-system replacements when only the acquisition module requires attention.

Core advantages and technical highlights

Functional innovation: The DAP201 integrates into GE’s generator protection architecture, enabling consolidated data-acquisition and signal routing using one module rather than multiple discrete components. This consolidation enhances wiring simplicity, reduces panel footprint and streamlines system logic.

Reliability and longevity: Although discontinued, the DAP201 was designed with industrial robustness in mind, using the 96-pin interface and rack configuration compatible with GE’s generator-monitoring platform. Its proven performance in generator protection contexts supports long life-cycle use and continued availability via aftermarket or service inventory.

Compatibility and serviceability: The module retains full plug-in compatibility with existing GE generator protection racks. For facilities operating older GE equipment, the DAP201 supplies a direct drop-in maintenance part, reducing integration complexity and restoring system performance without major redesign.

Maintenance-friendly logistics: Because the DAP201 is part of a well-documented product family, engineering teams can access legacy manuals, spares lists and wiring diagrams. This makes planning for service-stock, spares procurement and future risk mitigation much more straightforward.

Cost-effective lifecycle support: For operators of GE generator systems seeking to extend the operational lifespan of installed panels, the DAP201 offers a practical path. By replacing modules like the DAP201 rather than entire racks, capital expenditure is reduced, downtime minimized, and valuable service-life extracted from existing installations.

Typical application scenarios

The GE DAP201 is specifically used in industrial power-generation environments where a dedicated generator protection rack manages sensors, alarms, engine/generator monitoring and control logic. Typical applications include:

• Utility power plants with synchronous generators, where the DAP201 interfaces vibration, temperature or electrical transducer inputs into a digital protection and alarm panel.
• Industrial combined-cycle or standby generator sets where the protection and monitoring system relies on GE’s legacy module infrastructure, and the DAP201 enables continued operation without full system rebuild.
• Service and maintenance operations within power-plant refurbishment projects, where replacing aging modules such as the DAP201 restores reliability and allows continued use of existing racks, wiring looms and instrumentation.
• OEMs or aftermarket providers supporting installed GE generator control systems who need a compatible module to keep a fleet of machines operating while new systems are phased in.

In each scenario, the DAP201 enables sustainable maintenance of complex protection hardware, allowing facility owners to maintain uptime, control risk and optimise spare-parts inventory for aging installations.

Related model recommendations

• DAP201-R: A refurbishment or remanufactured version of the DAP201 module, used when original stock is unavailable.
• DLP-C series: Modules within the same GE family (DAP/DLP) used for different input-types or rack configurations; suitable when mixed module racks exist.
• 0215B8066G1: Equivalent alternate part-number for the DAP201; used for spare-identification or procurement purposes.
• DSP401: A GE module often found alongside DAP modules within generator protection racks, supporting other input-sets or functions.
• MMI301: Operator-interface module used within the same rack-system architecture; useful for panels where upgrades or replacements are planned together.

These related items share the same GE rack ecosystem, enabling standardisation of spares, training and maintenance across generator protection systems.

Installation, commissioning and maintenance instructions

Installation preparation: Before installing the GE DAP201, ensure the protection rack is powered down, isolated from electrical supply and that appropriate lock-out/tag-out procedures are followed. Verify that the rack slot is free of debris and that the 96-pin connector is aligned correctly. Inspect the module’s connector and the rack socket for signs of corrosion or mechanical damage. Confirm that the module part-number (DAP201 / 0215B8066G1) matches the system’s configuration and that wiring looms and harnesses are intact.

Commissioning: After installation, power up the rack and verify that the DAP201 module is correctly recognized by the system (status LED or annunciator). Run diagnostics or self-tests if available, and verify signal-in channels with known input values (for example simulate sensor signals). Confirm that alarms triggered by input thresholds operate as expected and that outputs downstream reflect correct logic. Document baseline readings for future comparison.

Maintenance suggestions: Periodically inspect the module for signs of overheating, connector looseness or dust accumulation. Operate a schedule for cleaning the rack and verifying cooling/ventilation, as older generator protection hardware often resides in constrained control-rooms or engine houses. Maintain a spare DAP201 module (or equivalent) to minimise downtime in event of failure. Keep version documentation and wiring diagrams accessible. Where modules show drift in input reading or erratic behavior, replacement is preferable to field repair given the discontinued status.

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