CFP-AI-118 Datasheet, PDF (2/4 Pages) National Instruments Corporation – Analog Input Module for Compact FieldPoint

Analog Input Module for Compact FieldPoint
Specifications
Typical for -40 to 70 °C temperature range and for operation with
the 10 Hz filter enabled unless otherwise noted.
Input Characteristics
Number of channels............................
Maximum signal input range..............
Maximum voltage
(V+ or V- to earth) ...............................
ADC resolution....................................
Type of ADC ........................................
8 differential
±15 V (±15.75 V with overranging)
250 V_rms, Measurement
Category II
16 bits (refer to table)
Delta-sigma
Effective Resolution by Input Range and Filter Setting
Nominal Input
Range (V)
With Overranging (V)
±1
±1.05
±5
±5.25
±10
±10.5
±15
±15.75
0 to 1
0 to 1.05
0 to 5
0 to 5.25
0 to 10
0 to 10.5
0 to 15
0 to 15.75
1_{Includes quantization errors and typical RMS noise.}
Effective Resolution¹
(No Filtering) (µV)
100
160
320
480
100
100
160
240
Effective Resolution¹ with
10 Hz Filter (µV)
32
160
320
480
16
80
160
240
All-channel sample rate
With 10 Hz filter .............................
Without filtering .............................
Input bandwidth (-3 dB) ......................
3.45 kHz¹
10.42 kHz¹
3 kHz minimum
Common-mode rejection at 60 Hz, with 50 Ω source impedance and no
filtering
Channel to channel.........................
Channel to ground ..........................
Crosstalk attenuation..........................
RMS noise...........................................
Peak-to-peak noise .............................
Settling time to 1 LSB
Full-scale step (-15 to 15 V) ...........
1% step...........................................
Semaphore acquisition jitter ..............
Monotonicity .......................................
Input resistance ..................................
Input capacitance................................
Overvoltage protection .......................
110 db
110 db
>100 dB
100 µV
700 µV
2.1 ms
1.6 ms
None
Warranted over the operating
temperature range
1 MΩ
<50 pF
±250 V
1_{The all-channel update rate refers to the time the module takes to sample all channels.}
The overall system update rate is affected by other factors, such as the aggregate
module update rate and software loop rate. To calculate the system update rate, visit
ni.com/info and enter “systemrate.”
Accuracy by Input Range and Temperature Range
Nominal Input
Range (V)
±1
±5
±10
±15
0 to 1
0 to 5
0 to 10
0 to 15
Typical Accuracy at 15 to 35 °C
(% of Reading; % of Full Scale)
±0.037; ±0.006
±0.037; ±0.003
±0.037; ±0.003
±0.037; ±0.003
±0.037; ±0.006
±0.037; ±0.003
±0.037; ±0.003
±0.037; ±0.003
Warranted Accuracy at 15 to 35 °C
(% of Reading; % of Full Scale)
±0.086; ±0.036
±0.066; ±0.009
±0.064; ±0.005
±0.063; ±0.004
±0.111; ±0.036
±0.071; ±0.009
±0.066; ±0.005
±0.065; ±0.004
Gain error drift .................................... 7.4 ppm/°C
Offset error drift.................................. 3 µV/°C
Isolation Voltage
Isolation voltage is verified by a dielectric withstand test.
Channel-to-channel isolation
Continuous...................................... 100 V_rms
Withstand ....................................... 750 V_rms, 5 s max
Channel-to-backplane isolation
Continuous...................................... 250 V_rms
Withstand ....................................... 2,300 V_rms, 5 s max
Channel-to-ground isolation
Continuous...................................... 250 V_rms
Withstand ....................................... 2,300 V_rms, 5 s max
Physical Characteristics
LED indicators
Power (green)
Ready (green)
Dimensions..........................................
Weight.................................................
Warm-up time .....................................
127.1 by 73.3 by 23.9 mm
(5.00 by 2.89 by 0.94 in.)
117 g (4.1 oz)
30 minutes
Power Requirements
Power from network module .............. 1.125 W
Environment
Operating temperature .......................
Storage temperature...........................
Relative humidity ................................
Maximum altitude...............................
Pollution degree..................................
-40 to 70 °C
-40 to 85 °C
10 to 90%, noncondensing
2,000 m; at higher altitudes the
isolation voltage ratings must
be lowered
2
Shock and Vibration
Operating vibration, random
(IEC 60068-2-64) .............................
Operating vibration, sinusoidal
(IEC 60068-2-6) ...............................
Operating shock
(IEC 60068-2-27) .............................
10 to 500 Hz, 5 g_rms
10 to 500 Hz, 5 g
50 g, 3 ms half sine, 18 shocks
at 6 orientations; 30 g, 11 ms
half sine, 18 shocks at
6 orientations
BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)
2