Description

GE 115D2234G Bolt COMP-PLU PCB

This is a programmable logic unit printed circuit board for a bolt-type motor protector manufactured by General Electric (GE). It belongs to GE’s Bolt series of motor management relays.

Core Functions & Product Description

1. Product Positioning: Core Control Board

   • This is the “brain” of the Bolt COMP-PLU relay. It is responsible for processing all input signals, executing protection logic, controlling outputs, and providing the user interface.

2. Product Series: Bolt COMP-PLU

   • Bolt is GE’s series of versatile and cost-effective motor protection relays.

   • COMP-PLU signifies that this model features Comprehensive Protection and a Programmable Logic Unit.

     • Comprehensive Protection: Provides a full suite of motor protection functions to prevent various types of faults.

     • Programmable Logic Unit: Allows users to write custom control logic via software, enabling it to not only perform protection functions but also replace small PLCs for simple sequential control, reducing reliance on external hardware.

3. Key Protection Functions
   Through its firmware and hardware circuits, this PCB typically supports the following motor protection functions:

   • Overload Protection: Models the motor’s thermal capacity to prevent damage from prolonged overcurrent.

   • Stall Protection: Detects when a motor stops rotating due to excessive load during start-up or operation.

   • Underload Protection: Detects conditions like pump dry-running or fan stall to avoid energy waste and equipment damage.

   • Phase Unbalance Protection: Monitors voltage and current imbalance in the three-phase supply to prevent motor overheating.

   • Ground Fault Protection: Detects leakage current from the motor or cables to ground.

   • Short Circuit Protection: Provides rapid protection against short-circuit currents.

   • Under-voltage / Over-voltage Protection: Monitors for abnormal supply voltages.

4. Control & Communication Features

   • Programmable Logic: Allows for the creation of custom control schemes, such as start/stop sequences, interlocks, and alarm management.

   • Communication Interface: The board typically integrates communication ports (e.g., RS-485) supporting industrial protocols like Modbus RTU for data exchange with upper-level systems (e.g., DCS, SCADA, or PLC).

   • Inputs/Outputs: Provides digital inputs and relay outputs for connecting control buttons, sensors, and actuators (e.g., contactors).

5. Model Number Analysis

   • 115: Likely indicates the product series or voltage rating.

   • D2234: GE’s internal core component number.

   • G: May indicate a version, revision, or manufacturing origin code.

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Typical Applications

This PCB is primarily used in industrial sectors requiring high-reliability motor protection, such as:

• Oil & Gas

• Water & Wastewater

• Mining

• Power Generation

• Manufacturing (e.g., conveyor belts, pumps, fans, compressors)

 

Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

 

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🥇Product Condition: One-year warranty

 

Company Overview

Main Products

We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:

• FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
• ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
• HONEYWELL | RELIANCE | SCHNEIDER | MODICON
• Westinghouse | WOODWARD | Motorola | Rexroth | SEW

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