531X305NTBAPG1-NTB /3TB terminal board
Brand ABB color Standard Application Industrial height 139mm rated current 431mA
Protection Level IP45 Suitable for motor power 108KW Application Site Power Industry BOM Number GJR2391500R1220 Power industry HIEE401782R0001 Part number 531X305NTBAPG1
Applicable pipe 2 Whether imported is weighing 3.48 kg can be sold nationwide
531X305NTBAPG1-NTB /3TB terminal board
531X305NTBAPG1 is an NTB/3TB terminal board developed by GE under the EX2000 excitation system. A 531X305NTB (NTB/3TB) board is installed in the driver (or exciter) cabinet. The driver (or exciter) connection terminals for most external signal level I/O and the passive interface circuit are located on the board. The plugs 6PL and 8PL of the driver control board, 2PL and 4PL of the power board, 3TB of the terminal board COMPL, and 2PL and 4PL of the external device are connected to the NTB/3TB.
531X305NTBAPG1 power supply
For external use, the NTB/3TB provides the following power outputs:
+5 V dc and 15 V dc regulated voltages with a current capacity of 300 mA each
Unregulated DC 24 V, 500 mA current capacity
120 V AC, 0.5 A current capacity
Encoder interface
A differential A-QUAD-B encoder interface with labeled channels is included in the NTB/3TB for connection to the driver.
On the drive control board, the circuit is optically isolated.
Jumpers are included in the NTB/3TB, allowing the interface to be set up for +5 V or 15 V encoders.
531X305NTBAPG1 digital control input
NTB/3TB Transfers various control inputs to the drive control board. There are 12 general purpose CONTROL inputs (up to 24 V dc) and dedicated digital inputs (such as RESET and CONTROL ON).
Depending on whether positive or negative logic is employed, hardware jumpers are used to bias the disconnected input to +24 or -24 V dc.
531X305NTBAPG1-NTB /3TB terminal board
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