© National Instruments | 4-1
4
Power Connections
Isolation
NI 6510
The NI 6510 has 32 channels that consist of four eight-line ports. All channels belong to one
isolated bank and use the same common. The NI 6510 digital inputs are isolated from the
computer power supply. Isolated photocouplers provide isolation.
NI 6511
The inputs in each bank of the NI 6511 device are isolated from the inputs in other banks, from
PX.COM pins in other banks, and from the computer power supply. All lines in the same input
bank use the same common. Isolated photocouplers provide isolation.
NI 6512/6513
The outputs in each bank of the NI 6512/6513 device are isolated from the outputs in other
banks, from the +5 V and PX.GND pins in other banks, and from the computer power supply.
All lines in the same output bank use the same common power and ground. Isolated
photocouplers provide isolation.
NI 6514/6515
The inputs and outputs in each bank of the NI 6514/6515 are isolated from the inputs and outputs
in other banks, from the +5 V and PX.GND pins in other banks, and from the computer power
supply. All lines in the same input or output bank use the same common power and ground.
Isolated photocouplers provide isolation.
NI 6516/6517
The NI 6516/6517 has 32 channels that consist of four eight-line ports. All channels belong to
one isolated bank and use the same common. The NI 6516/6517 digital outputs are isolated from
the computer power supply. Isolated photocouplers provide isolation.
NI 6518/6519
The NI 6518/6519 has 32 channels that consist of four eight-line ports. Ports 0 and 1 (inputs)
belong to the same bank, and Ports 2 and 3 (outputs) belong to the same bank, and inputs are
isolated from outputs. Each bank shares the same common. The NI 6518/6519 digital inputs and
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