Digital guide
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GE 531X305NTBAPG1
- Product Name: GE 531X Series NTB/3TB Terminal Board (EX2000 Excitation System)
- Product Description: Terminal board developed by GE for the EX2000 Excitation system. Located in the drive (or exciter) cabinet, it houses the majority of external signal-level I/O connection terminals along with passive interface circuitry.
- Technical Specifications:
- Power Supply Outputs: +5 VDC / +15 VDC, 300 mA each
Detailed content
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- Power Supply Outputs: 24 VDC, 500 mA (unregulated)
- Power Supply Outputs: 120 VAC, 0.5 A
- Digital Inputs: 12 general-purpose inputs (up to 24 VDC); includes RESET and CONTROL ON inputs; supports positive/negative logic; jumper-selectable bias (+24 VDC / -24 VDC)
- Relay Outputs: 7 A/C-type relays, 120 VAC contact rating
- Analog Scaling: 4 integrated potentiometers for low-level analog I/O scaling and calibration
- Encoder Interface: Differential A-quad-B with marker channel, optically isolated; configurable for +5 V or +15 V (via jumpers)
- Communication Interfaces: Ethernet (Modbus TCP/IP and SRTP), RS-232C, RS-422; Industrial Protocol Compatibility: Profibus, DeviceNet
- Dimensions: 28.6 × 7 × 3.5 cm
- Weight: 0.38 kg
- Operating Temperature: -25 °C to +60 °C
- Humidity: 10% to 90% RH
- Connections: Plugs 6PL and 8PL from drive control board, plugs 2PL and 4PL from power supply board, plug COMPL from 3TB terminal board, plugs 2PL and 4PL from external equipment
- Functional Features:
- Both regulated and unregulated power sources for connected devices
- Seven Form A/Form C relay outputs with VAC-rated contacts
- Four potentiometers for analog I/O scaling and field calibration
- Ethernet interface for Modbus TCP/IP and SRTP protocols for real-time communication and remote diagnostics
- Application Scenarios: EX2000 Excitation System in power generation plants; smart manufacturing plants; power distribution switchgear; oil refining; food processing; large paper mills.
