Chapter 4 Connecting Signals
NI PCI-6110/6111 User Manual 4-6 ni.com
GPCTR0_OUT DGND Output Counter 0 Output—This output is from the
general-purpose counter 0 output.
FREQ_OUT DGND Output Frequency Output—This output is from the frequency
generator output.
Table 4-3. I/O Signal Summary for the NI PCI-6110/6111Signal Name
Signal
Type and
Direction
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA atV)
Rise
Time
(ns) Bias
ACH<0..3>+ AI 1MΩ
in parallel
with
100pF1
1MΩ
in parallel
with
10pF2
42 V — — — —
ACH<0..3>– AI 10nF 42 V — — — ±200 pA
ACH<0..3>GND AI — — — — — —
DAC0OUT AO 50ΩShort-circuit
to ground
5 at 10 5 at –10 300
V/µs
—
DAC1OUT AO 50ΩShort-circuit
to ground
5 at 10 5 at –10 300
V/µs
—
AOGND AO — — — — — —
DGND DO — — — — — —
VCC DO 0.1ΩShort-circuit
to ground
1 A — — —
DIO<0..7> DIO — Vcc +0.5 13 at (Vcc –0.4) 24 at0.4 1.1 50kΩ pu
SCANCLK DO — — 3.5 at (Vcc –0.4) 5 at 0.4 1.5 50 kΩ pu
EXTSTROBE* DO — — 3.5 at (Vcc –0.4) 5 at 0.4 1.5 50 kΩ pu
PFI0/TRIG1 AI/DIO 10kΩ±35 Vcc +0.5 3.5 at (Vcc –0.4) 5 at 0.4 1.5 9kΩ pu
and
10kΩ pd
PFI1/TRIG2 DIO — Vcc +0.5 3.5 at (Vcc –0.4) 5 at 0.4 1.5 50 kΩ pu
PFI2/CONVERT* DIO — Vcc +0.5 3.5 at (Vcc –0.4) 5 at 0.4 1.5 50 kΩ pu
Table 4-2. Signal Descriptions for I/O Connector Pins (Continued)
Signal Name Reference Direction Description