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GE DS303A3C01GXA003XH | High-Density Discrete I/O Module--KIMI
  • Warehouse: Spot
  • Warranty: 365 days
  • Quality: Original module
  • Condition: New
  • Shipping method: Courier delivery

  • Contact person: LI MING
  • Contact number: +86 18059884790
  • WeChat:18059884790
  • E-mail: plc66@qq.com

Product Description


GE DS303A3C01GXA003XH | High-Density Discrete I/O Module for Industrial Control Systems
Rugged Discrete Signal Processing & Device Control for Power Generation, Oil & Gas, and Manufacturing Applications
1. Product Overview

The GE DS303A3C01GXA003XH is a high-density discrete I/O module engineered for seamless integration with GE’s Mark series turbine control systems and industrial automation platforms, delivering reliable discrete signal acquisition and device actuation for critical process control applications. Featuring a compact, backplane-mountable design, this module combines 32 digital input channels (24V DC) and 16 digital output channels (relay contact, 250V AC/30V DC), enabling centralized monitoring and control of field devices such as limit switches, pushbuttons, solenoid valves, and indicator lights. It integrates advanced signal filtering and surge protection to withstand electrical transients and noise in harsh industrial environments, with a conformal-coated PCB for resistance to moisture, dust, and chemical corrosion. The module supports hot-swappable installation for minimal downtime during maintenance, and its built-in diagnostic functions provide real-time status feedback for channel faults, power loss, and communication errors. Compatible with GE SRTP, Modbus TCP/IP, and DNP3 protocols, the DS303A3C01GXA003XH ensures seamless data exchange with PLC/DCS controllers, making it ideal for power generation, oil & gas, and heavy manufacturing applications requiring high reliability and fault tolerance.


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Key Specifications
• Manufacturer: General Electric (GE)
• Model: DS303A3C01GXA003XH
• Product Type: High-Density Discrete I/O Module (32DI/16DO)
• System Compatibility: GE Mark Series Turbine Control Systems, Industrial PLC/DCS Platforms
• Digital Inputs (DI): 32 Channels, 24V DC (Sink/Source Configurable), 5ms Signal Filtering
• Digital Outputs (DO): 16 Channels, Relay Contact (SPDT), 250V AC / 30V DC, 5A Max Per Channel
• Communication Protocols: GE SRTP, Modbus TCP/IP, DNP3
• Power Input: 24V DC Redundant (1.2A Max)
• Installation: Backplane-Mountable, Hot-Swappable
• Environmental Protection: Conformal-Coated PCB, IP20 Enclosure Rating
• Operating Temperature: -30°C to +70°C
• Vibration Resistance: 5g RMS (10-2000Hz), IEC 60068-2-6 Compliant

• Certifications: CE, UL 508, IEC 61010-1, ATEX Zone 2 (Optional)


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2. Core Features
• High-Density I/O Configuration: 32 digital inputs and 16 relay outputs in a compact footprint, reducing cabinet space and wiring complexity.
• Flexible Input Configurations: Sink/source selectable 24V DC inputs with 5ms signal filtering to eliminate electrical noise and false triggers.
• Robust Relay Outputs: SPDT relay contacts rated for 250V AC/30V DC and 5A per channel, suitable for direct control of solenoid valves and indicator lights.
• Hot-Swappable Design: Supports online module replacement without system shutdown, minimizing maintenance downtime for critical applications.
• Advanced Diagnostics: Real-time monitoring of channel faults, power supply status, and communication errors, with fault code reporting to controllers.
• Environmental Durability: Conformal-coated PCB and wide-temperature operation ensure reliability in dusty, humid, and corrosive industrial environments.

• Multi-Protocol Communication: Compatible with GE SRTP, Modbus TCP/IP, and DNP3 for seamless integration with PLC/DCS and SCADA systems.


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YMGK Purchase Information
This section covers key details customers care about regarding purchasing, to support your global industrial product procurement needs.
One-Stop Global Industrial Product Procurement
Sales Manager: KI MI
WeChat: 18059884790
Email: plc66@qq.com
  • Global Inventory: 121 shared inventories worldwide,

  • enabling direct procurement from overseas warehouses for faster delivery.

  • Pricing & After-Sales: Competitive prices plus reliable after-sales warranty services.
  • Customer Coverage: Serving clients across United States, Germany, Japan, South Korea,

  • United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, Netherlands,

  • Switzerland, Sweden, Belgium, Austria, and Turkey.

  • Product Quality: All items are brand new and original.

  • Spare parts include a 1-year warranty, and all products are tested and certified.

  • Discounts: Contact us for bulk-order discounts.

  • We also offer further price adjustments if you receive lower quotes for identical products from other suppliers.

For additional inquiries, reach out to us at any time.
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3. Typical Applications

• Turbine Control Systems: Monitoring of limit switches, pressure switches, and temperature switches; control of fuel valve solenoids and alarm indicators in gas/steam turbine plants.
• Power Generation: Auxiliary system control (pumps, fans, valves) and status monitoring in thermal, hydro, and renewable energy power plants.
• Oil & Gas: Wellhead monitoring and control, pipeline valve actuation, and safety interlock systems in refineries and offshore platforms.
• Manufacturing Automation: Robotic workcell control, conveyor system interlocks, and machine safety circuits in automotive and heavy equipment factories.

• Water & Wastewater Treatment: Pump control, valve actuation, and level switch monitoring in water treatment plants and sewage facilities.


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4. Installation & Maintenance
Installation: Mount the module on the designated GE control system backplane; connect redundant 24V DC power supplies and field wiring to DI/DO terminals (follow terminal labeling for input/output mapping). Configure communication parameters (protocol, IP address) via controller software; verify channel functionality using diagnostic tools before system startup.
Maintenance: Inspect terminal connections quarterly for corrosion or looseness; clean the module surface with dry compressed air to remove dust. Use controller diagnostics to monitor channel status and fault codes; replace faulty relays with GE-approved spares if necessary. The hot-swappable design allows module replacement without powering down the control system.

Fault Diagnosis: Retrieve fault codes via controller HMI (input short circuit, output relay failure, power loss). Check input signal voltage with a multimeter to isolate sensor or wiring issues; test relay output continuity for stuck contacts. Verify communication link integrity if data exchange errors occur.


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Technical Document | GE DS303A3C01GXA003XH | 32DI/16DO Discrete I/O Module

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