National Instruments Data Acquisition Device NI USB-621x User Manual page 177

connecting
analog input signals on
USB-6210/6211/6212 devices, 4-23
analog input signals on
USB-6215/6216/6218 devices, 4-36
analog output signals, 5-4
digital I/O signals on
USB-6210/6211/6215/6218, 6-3
digital I/O signals on
USB-6212/6216, 6-6
floating signal sources, 4-25
ground-referenced signal sources, 4-31
PFI input signals, 7-4
connections
for floating signal sources, 4-31
single-ended for floating signal
sources, 4-31
single-ended, RSE configuration, 4-31
connector
information, 3-1
labels for USB-621x Screw Terminal, 1-2
USB-6210 pinout, A-2
USB-6211 pinout, A-4
USB-6212 Mass Termination pinout, A-8
USB-6212 Screw Terminal pinout, A-6
USB-6215 pinout, A-4
USB-6216 Mass Termination pinout, A-8
USB-6216 Screw Terminal pinout, A-6
USB-6218 pinout, A-13
considerations
for field wiring, 4-10
for multichannel scanning, 4-5
continuous pulse train generation, 8-22
controlling counting direction, 8-2
conventions used in the manual, xiii
counter input and output, 8-30
Counter n A signal, 8-28
Counter n Aux signal, 8-27
Counter n B signal, 8-28
Counter n Gate signal, 8-27
Counter n HW Arm signal, 8-28
© National Instruments Corporation
Counter n Internal Output signal, 8-29
Counter n Source signal, 8-26
Counter n TC signal, 8-29
Counter n Up_Down signal, 8-28
Counter n Z signal, 8-28
counter signals
Counter n A, 8-28
Counter n Aux, 8-27
Counter n B, 8-28
Counter n Gate, 8-27
Counter n HW Arm, 8-28
Counter n Internal Output, 8-29
Counter n Source, 8-26
Counter n TC, 8-29
Counter n Up_Down, 8-28
FREQ OUT, 8-29
Frequency Output, 8-29
counters, 8-1
cascading, 8-33
connecting terminals, 8-30
duplicate count prevention, 8-35
edge counting, 8-2
filters, 8-33
generation, 8-20
input applications, 8-2
other features, 8-32
output applications, 8-20
prescaling, 8-34
pulse train generation, 8-22
retriggerable single pulse
generation, 8-21
simple pulse generation, 8-20
single pulse generation, 8-20
single pulse generation with start
trigger, 8-20
terminals, default, 8-30
timing signals, 8-25
triggering, 8-31
counting edges, 8-2
creating an AC return path, 9-3
I-3
Index
NI USB-621x User Manual