AI-EXP48

Specifications

Document Revision 1.0, February, 2010
© Copyright 2010, Measurement Computing Corporation

Specifications
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.

Analog input
Table 1. Analog input specifications
Number of channels
Voltage measurement speed
Input ranges, software or sequencer programmable
Signal to noise and distortion
Total harmonic distortion
Bias current
Crosstalk
Input impedanceOver-voltage protection

48 single-ended/24 differential inputs
1 µs per channel
Bipolar: ±10 V, ±5 V, ±2 V, ±1 V , ±0.5 V, ±0.2 V, ±0.1 V,
universal thermocouple
72 dB typical for ±10 V range, 1 kHz fundamental-80 dB typical for ±10 V range, 1 kHz fundamental
40 pA typical (0 °C to 35 °C)-75 dB DC to 60 Hz; -65 dB @ 10 kHz, typical
10 MΩ single-ended, 20 MΩ differential±30 V

Accuracy
Table 2. Analog input accuracy specifications
Voltage range(note 1)

Accuracy±(% of reading + % range)
23°C ±10 °C, 1 year

Temperature coefficient±(ppm of reading + ppm range)/°C

Noise (ctsRMS) (note 2)-10 V to 10 V
-5 V to 5 V-2 V to 2 V-1 V to 1 V-500 mV to 500 mV-200 mV to 200 mV-100 mV to 100 mV

0.031% + 0.008%
0.031% + 0.009%
0.031% + 0.010%
0.031% + 0.02%
0.031% + 0.04%
0.036% + 0.05%
0.042% + 0.10%

14 + 814 + 914 + 1014 + 1214 + 18
14 + 12
14 + 18

2.0
3.0
2.0
3.5
5.5
8.0
14.0

Note 1: Specifications assume differential input single-channel scan, 1 MHz scan rate, unfiltered,

CMV=0.0 V, 30 minute warm-up, exclusive of noise, -FS to +FS.
Note 2: Noise reflects 10,000 samples at 1 MHz, typical, differential short

Thermocouples
Table 3. TC types and accuracy (Note 3)
TC typeTemperature range (°C)

Accuracy (±°C)

Noise typical (±°C)

JK
T
ERS
N
B

-200 to + 760-200 to + 1200
-200 to + 400-270 to + 650-50 to + 1768
-50 to + 1768
-270 to + 1300
+300 to + 1400

1.7
1.8
1.8
1.7
4.8
4.7
2.7
3.0

0.2
0.2
0.2
0.2
1.5
1.5
0.3
1.0

1

AI-EXP48

Specifications

Note 3: Assumes 16384 oversampling applied, CMV = 0.0V, 60 minute warm-up, still environment, and25 °C ambient temperature; excludes thermocouple error; TCin = 0° C for all types except B(1000 °C)

Power consumption
Table 4. Power consumption specifications
Power consumption (per board)

400 mW maximum (supplied by parent product, such as USB-1616HS series)

Environmental
Table 5. Environmental specifications
Operating temperature range
Storage temperature range
Relative humidity-30 °C to +70 °C-40 °C to +80 °C
0 to 95% non-condensing

Mechanical
Table 6. Mechanical specifications
Vibration
Dimensions
WeightMIL STD 810E, category 1 and 10269 mm (W) x 92 mm (D) x 45 mm (H ) (10.6" x 3.6" x 1.6")
400 g (0.88 lbs)

User connectors
Table 7. Screw terminal connector specifications
Connector type
Wire gauge range

Six banks of removable screw-terminal blocks
14 AWG to 30 AWG
Table 8. Expansion connector specifications

Communications connector
Compatible cable25-pin DSUB, male
CA-96A(also mates directly with USB-1616HS series products)2

AI-EXP48

Specifications

Table 9. Single-ended mode pin outTerminal block

Analog In

Analog In

Analog In

Device label(Signal description)

Device label(Signal description)

A
16H
24L
A
17H
25L
A
18H
26L
A
19H
27L
A
20H
28L
A
21H
29L
A
22H
30L
A
23H
31L
A
32H
40L
A
33H
41L
A
34H
42L
A
35H
43L

(Analog common)(CH 16)(CH 24)(Analog common)(CH 17)(CH 25)(Analog common)(CH 18)(CH 26)(Analog common)(CH 19)(CH 27)(Analog common)(CH 20)(CH 28)(Analog common)(CH 21)(CH 29)(Analog common)(CH 22)(CH 30)(Analog common)(CH 23)(CH 31)(Analog common)(CH 32)(CH 40)(Analog common)(CH 33)(CH 41)(Analog common)(CH 34)(CH 42)(Analog common)(CH 35)(CH 43)

63L
55H
A
62L
54H
A
61L
53H
A
60L
52H
A
59L
51H
A
58L
50H
A
57L
49H
A
56L
48H
A
47L
39H
A
46L
38H
A
45L
37H
A
44L
36H
A

(CH 63)(CH 55)(Analog common)(CH 62)(CH 54)
Analog common(CH 61)(CH 53)(Analog common)(CH 60)(CH 52)(Analog common)(CH 59)(CH 51)(Analog common)(CH 58)(CH 50)(Analog common)(CH 57)(CH 49)(Analog common)(CH 56)(CH 48)(Analog common)(CH 47)(CH 39)(Analog common)(CH 46)(CH 38)(Analog common)(CH 45)(CH 37)(Analog common)(CH 44)(CH 36)(Analog common)

3

Terminal block

Analog In

Analog in

Analog In

AI-EXP48

Specifications

Table 10. Differential mode pin out
Terminal block

Analog In

Analog In

Analog In

Device label(Signal description)

Device label(Signal description)

A
16H
24L
A
17H
25L
A
18H
26L
A
19H
27L
A
20H
28L
A
21H
29LA
22H30LA
23H31LA
32H40LA
33H41LA
34H42LA
35H43L(Analog common)(CH 8 HI)(CH 8 LO)
(Analog common)(CH 9 HI)(CH 9 LO)
(Analog common)(CH 10 HI)(CH 10 LO)(Analog common)(CH 11 HI)(CH 11 LO)(Analog common)(CH 12 HI)(CH 12 LO)(Analog common)(CH 13 HI)(CH 13 LO)(Analog common)(CH 14 HI)(CH 14 LO)(Analog common)(CH 15 HI)(CH 15 LO)(Analog common)(CH 16 HI)(CH 16 LO)(Analog common)(CH 17 HI)(CH 17 LO)(Analog common)(CH 18 HI)(CH 18 LO)(Analog common)(CH 19 HI)(CH 19 LO)

63L
55H
A
62L
54H
A
61L
53H
A
60L
52H
A
59L
51H
A
58L
50H
A
57L
49H
A
56L
48H
A
47L
39H
A
46L
38H
A
45L
37H
A
44L
36H
A

(CH 31 LO)(CH 31 HI)(Analog common)(CH 30 LO)(CH 30 HI)
Analog common(CH 29 LO)(CH 29 HI)(Analog common)(CH 28 LO)(CH 28 HI)(Analog common)(CH 27 LO)(CH 27 HI)(Analog common)(CH 26 LO)(CH 26 HI)(Analog common)(CH 25 LO)(CH 25 HI)(Analog common)(CH 24 LO)(CH 24 HI)(Analog common)(CH 23 LO)(CH 23 HI)(Analog common)(CH 22 LO)(CH 22 HI)(Analog common)(CH 21 LO)(CH 21 HI)(Analog common)(CH 20 LO)(CH 20 HI)(Analog common)

4

Terminal block

Analog In

Analog in

Analog In

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AI-EXP48-spec.doc