National Instruments pci-6110e-6111e 用户手册
Chapter 4
Signal Connections
4-6
©
National Instruments Corporation
Table 4-2 shows the I/O signal summary for the 611X E boards.
Table 4-2. I/O Signal Summary for the 611
X E
Signal Name
Signal
Type and
Direction
Direction
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA
(mA
at V)
Rise
Time
(ns)
Bias
ACH<0..3> +
AI
1 M
Ω
in parallel
with
100 pF
with
100 pF
1
1 M
Ω
in parallel
with
10 pF
with
10 pF
2
42 V
—
—
—
—
ACH<0..3> –
AI
10 nF
42 V
—
—
—
±200 pA
ACH <0..3> GND
AI
—
—
—
—
—
—
DAC0OUT
AO
50
Ω
Short-circuit
to ground
to ground
5 at 10
5 at -10
300
V/µs
V/µs
—
DAC1OUT
AO
50
Ω
Short-circuit
to ground
to ground
5 at 10
5 at -10
300
V/µs
V/µs
—
AOGND
AO
—
—
—
—
—
—
DGND
DO
—
—
—
—
—
—
VCC
DO
0.1
Ω
Short-circuit
to ground
to ground
1 A
—
—
—
DIO<0..7>
DIO
—
V
cc
+0.5
13 at (V
cc
-0.4)
24 at
0.4
0.4
1.1
50 k
Ω
pu
SCANCLK
DO
—
—
3.5 at (V
cc
-0.4)
5 at 0.4
1.5
50 k
Ω
pu
EXTSTROBE*
DO
—
—
3.5 at (V
cc
-0.4)
5 at 0.4
1.5
50 k
Ω
pu
PFI0/TRIG1
AI
DIO
DIO
10 k
Ω
±35
V
V
cc
+0.5
3.5 at (V
cc
-0.4)
5 at 0.4
1.5
9 k
Ω
pu
and 10 k
Ω
pd
PFI1/TRIG2
DIO
—
V
cc
+0.5
3.5 at (V
cc
-0.4)
5 at 0.4
1.5
50 k
Ω
pu
PFI2/CONVERT*
DIO
—
V
cc
+0.5
3.5 at (V
cc
-0.4)
5 at 0.4
1.5
50 k
Ω
pu
PFI3/GPCTR1_SOURCE
DIO
—
V
cc
+0.5
3.5 at (V
cc
-0.4)
5 at 0.4
1.5
50 k
Ω
pu
PCI_E.book Page 6 Thursday, June 25, 1998 12:55 PM