GE IC698PSD300

Description

Product Description

The GE IC698PSD300 is a high-performance, redundant power supply module for the GE Fanuc Series 90-70 Programmable Logic Controller (PLC) system. This module is designed to provide uninterrupted, conditioned power to the PLC rack, including the CPU, I/O modules, and communication cards, by employing a redundant (N+1) architecture. The GE IC698PSD300 operates by allowing two or more units to be connected in parallel, sharing the load and providing automatic, bumpless switchover in the event of a primary power supply failure. This design is critical for applications where system uptime is paramount and a power supply failure cannot be tolerated. It converts incoming AC mains voltage to the stable DC voltages required by the system. Integrating a robust redundant power solution like the GE IC698PSD300 (https://www.example-link-ge-product.com) is a foundational step in building a fault-tolerant control system. The reliability and redundancy features of the GE IC698PSD300 make it an essential component for critical automation in process industries and high-availability manufacturing.

Product Parameters / Technical Specifications

• Manufacturer: GE (General Electric), part of the GE Fanuc Series 90-70 family.
• Module Type: Redundant System Power Supply
• Series: IC698 Series (Series 90-70)
• Model: IC698PSD300
• Input Voltage: Typically 120/240V AC, 50/60 Hz, with a selectable or auto-ranging input.
• Output Voltages:
  • +5V DC: Primary logic power for the backplane and modules.
  • +24V DC: Field power for I/O circuits and sensors/actuators.
• Output Power/Current: Rated for a specific wattage or amperage on each output rail, defining the total load capacity for the rack.
• Redundancy Feature: Designed for parallel operation with load sharing and automatic failover. Includes status signals and alarm contacts for monitoring.
• Efficiency: High switching efficiency to minimize heat generation.
• Protections: Comprehensive protection against overvoltage, overcurrent, short circuit, and overtemperature.
• Status Indicators: LEDs for AC Power OK, DC Output OK, and Fault conditions. Includes relay contacts for remote alarm signaling.
• Cooling: Typically incorporates an internal fan for forced-air cooling.
• Mounting: Occupies a dedicated power supply slot in the Series 90-70 rack.

Advantages and Key Features

• Eliminates Single Point of Failure: The primary advantage of the GE IC698PSD300 is its N+1 redundancy, which ensures continuous power to the PLC system even if one power supply unit fails, dramatically increasing system availability.
• Load Sharing: Parallel units automatically balance the electrical load, reducing stress on each unit and extending their operational life.
• Hot-Swap Capability: When properly configured and installed with additional hardware (like a rack with dual power supply slots), a failed unit can often be replaced without shutting down the PLC.
• Advanced Diagnostics: Provides clear local LED status and relay contact outputs for integration into plant alarm systems, enabling proactive maintenance.
• Robust and Reliable: Built to industrial standards for reliable operation in demanding environments, protecting sensitive controller electronics from power anomalies.

Application Cases in Various Fields

• Water & Wastewater Treatment: Powering a critical PLC that controls chemical dosing or filtration processes, where an unplanned shutdown could lead to environmental non-compliance.
• Oil & Gas (Pipeline SCADA): Ensuring uninterrupted power to a remote terminal unit (RTU) controlling pumps and valves on a critical pipeline.
• Pharmaceutical Manufacturing: Protecting batch processes in cleanrooms where a power loss could ruin an entire, high-value product batch.
• Power Generation (Auxiliary Systems): Supplying power to PLCs managing coal handling, ash systems, or water treatment in a thermal power plant.
• Automotive Manufacturing: Maintaining power to a PLC controlling a high-speed robotic painting or welding line where downtime is extremely costly.

Comparison with Competing Products

Within the Series 90-70 range, the GE IC698PSD300 is the high-availability alternative to standard single power supplies (e.g., IC697PWR724). Its direct competitors are redundant power supply systems from other PLC manufacturers of the era, such as the Siemens S5-115U/155U redundant power systems or Allen-Bradley’s redundant options for PLC-5. Compared to using two independent standard power supplies with external redundancy logic, the IC698PSD300 offers a more integrated and simpler solution. Compared to modern redundant power supplies for newer platforms, it is a legacy component but remains vital for maintaining existing high-availability systems.

Selection Suggestions and Precautions

• Selection Advice: Select the GE IC698PSD300 for Series 90-70 applications where system availability is critical and justifies the investment in redundant power infrastructure. It is essential for new high-availability designs or for upgrading an existing critical system. The most crucial step is to ensure the total calculated power consumption of the entire rack does not exceed the rated capacity of a single IC698PSD300 unit, as it must carry the full load alone during a failure.
• Precautions:
  1. Proper Redundancy Wiring: Meticulously follow the wiring diagram for parallel connection, including the load-sharing and alarm contact wiring. Incorrect wiring can disable redundancy or cause damage.
  2. Accurate Load Calculation: Calculate the total +5V and +24V DC load of all modules in the rack. An overload will cause one or both supplies to shut down.
  3. Cooling and Derating: Redundant power supplies generate significant heat. Ensure adequate spacing and ventilation in the cabinet. Derate the power supply’s capacity if the ambient temperature exceeds specifications.
  4. Input Protection: Each unit’s AC input should be protected with a correctly rated fuse or circuit breaker as specified in the manual.
  5. Use of Genuine Parts: For system reliability and safety, use genuine GE or high-quality certified refurbished IC698PSD300 units. Counterfeit supplies may lack proper protections and pose a fire risk.

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