Chapter 3 Signal Connections
© National Instruments Corporation 3-3 PCI/PXI-6703/6704 User Manual
Signal Connection Descriptions
Pin Signal Name Description
<2..9> DIO<0..7> Digital Input/Output lines—Line 7 is the
MSB and Line 0 is the LSB.
<35..37>, 39, 41, 42 DGND Digital Ground—These pins are connected
to the 6703/6704 device digital ground
plane. All 6703/6704 device ground planes
connect to the computer system’s ground
signal.
1 +5V +5 V—This pin is connected to the
computer system’s +5 VDC supply through
a self-resetting circuit breaker.
38, 40 RFU Reserved for future use.
34, 66, 31, 63, 28, 60, 25,
57, 22, 54, 52, 17, 15, 47,
12, 44
VCH<0..15> Voltage output channels.
67, 32, 64, 29, 61, 26, 58,
23, 21, 53, 51, 16, 48, 13,
45, 10
ICH<16..31> Current output channels on the 6704.
No connects on the 6703.
68, 33, 65, 30, 62, 27, 59,
24, 55, 20, 18, 50, 49, 14,
46, 11
AGND<0/16..15/31> Analog Grounds—Each ground pin is
shared between one voltage and one current
channel. These pins are connected to the
6703/6704 device analog ground plane. All
6703/6704 device ground planes connect to
the computer system’s ground signal.
19, 43, 56 AGND Additional pins connected to analog
ground.
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