GE 531X305NTBAPG1
GE 531X305NTBAPG1
GE 531X305NTBAPG1
GE 531X305NTBAPG1
GE 531X305NTBAPG1
GE 531X305NTBAPG1
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531X305NTBAPG1

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The 531X305NTBAPG1 is an NTB/3TB Terminal Board for the GE EX2000 excitation system. It serves as the primary I/O interface hub in the drive cabinet, providing multiple regulated/unregulated power outputs,digital inputs, relay outputs, and an A-quad-B encoder interface for external equipment connectivity and control.
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Technical specifications for 531X305NTBAPG1

  • Manufacturer:
    General Electric
  • Part Number:
    531X305NTBAPG1
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    NTB/3TB Terminal Board
  • Regulated DC Output:
    +5 V DC, 300 mA
  • Unregulated DC Output:
    24 V DC, 500 mA
  • AC Output:
    120 V AC, 0.5 A
  • Configurable Voltage:
    Selectable for +5 V or ±15 V encoders via jumpers
  • General-Purpose Inputs:
    12 inputs, accepting up to 24 V DC
  • Input Bias:
    Configurable to +24 V or -24 V DC via jumpers
  • Contact Rating:
    120 V AC
  • Weight:
    0.38 kg
  • Estimated shipping dimensions:
    28.6x7x3.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The 531X305NTBAPG1 is a comprehensive NTB/3TB Terminal Board designed as the central signal and power interface for the EX2000 Excitation system. A core function of the 531X305NTBAPG1 is to generate and distribute multiple power rails for the system and external devices. It provides regulated voltages of +5 V DC and ±15 V DC, each with a 300 mA current capacity, alongside an unregulated 24 V DC supply rated at 500 mA and a 120 V AC output at 0.5 A. 

The board also features a configurable differential A-quad-B encoder interface with a marker channel, which includes jumpers to select compatibility with +5 V or ±15 V encoders, catering to various feedback device requirements.For control and monitoring, the 531X305NTBAPG1 offers extensive digital and analog interfacing.

 It transmits 12 general-purpose control inputs (accepting up to 24 V DC) and special-purpose digital inputs like RESET to the drive control board. Hardware jumpers allow biasing of disconnected inputs to +24 V or -24 V DC based on positive or negative logic needs. Complementing these inputs are seven Form A and Form C relay outputs with contacts rated for 120 V AC, and four potentiometers for scaling low-level analog I/O signals.

The end,the 531X305NTBAPG1 is designed for integration within a larger control assembly. It connects via multiple plugs: 6PL and 8PL from the drive control board, 2PL and 4PL from the power supply board, COMPL from the 3TB terminal board, and 2PL/4PL from external equipment. This interconnectedness underscores its role as a nexus within the EX2000 system architecture.
Alternative Names
531X305NTBAPG1 531X121PCRALG1 531X305NTBAPG2 531X306NTBAPG1
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary role of the 531X305NTBAPG1 in the EX2000 system?
It acts as the central NTB/3TB Terminal Board, providing the main I/O interface, power distribution and encoder connectivity for the drive cabinet.
What power supply capabilities does this terminal board offer?
It provides regulated ±15 V DC at 300mA and +5 V DC at 300mA, an unregulated 24 V DC at 500mA, and a 120 V AC output at 0.5A for external use.
How is the encoder interface on the board configured?
The A-quad-B encoder interface is jumper-selectable to support either +5 V or ±15 V encoders, offering flexibility for different feedback devices.
What are the specifications for its digital inputs and relay outputs?
It features 12 general-purpose digital inputs (up to 24 V DC) and seven relay outputs (Form A/C) with 120 V AC contacts for control signaling.

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