Fastwel AIC324, Руководство пользователя

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User Manual
AIC 324
Weight: no more than:
0.12 kg.
Note
–
The MTBF values are calculated using the Telcordia Issue 1 calculation model
(calculation method Method I Case 3) for continuous operation in case of the ground-
based installation under conditions corresponding to the climatic category 4 as per the GOST
standard 15150-69, at the ambient temperature of +
30°С.
1.1.2 Characteristics of Analog-to-Digital Converter
number of bits: 16 bits;
Maximum conversion frequency: 250 kHz;
32x analog channels, configurable to 32 asymmetrical, 16 differential,8 differ 16
asymmetrical;
Ranges of input voltages: 0..0,625 V, 0..1,25 V, 0..2,5 V, 0..5 V, 0..10 V
, ±0,625 V, ±1,25 V,
±2,5 V, ±5 V, ±10 V;
Possibility of working with current sensors in the range 0..20 mA, 0..10 mA, 0..5 mA;
Conversion time on each analog input, without averaging
– no more than 4 μs;
Input impedance of analog input
– no less than 1 MΩ;
Bypass resistance for measuring current of analog input port: 249 Ohm
± 0.05%, 5ppm,
0.125W;
Availability of FIFO buffer for 2048 words ADC;
Availability of channel-scanning mode;
Availability of the function of program calibration of
the board’s analog paths;
Protection of inputs against overvoltage:
±40V;
Availability of galvanic insulation.
1.1.3 Characteristics of Digital-to-Analog Converter
Number of bits: 16 bits;
Setup time
– no more than 6 μs;
4 analog outputs;
Output voltages range: 0..5 V, 0..10 V
, ±2,5 V, ±5 V, ±10 V;
Maximum output current 3 mA;
Protection of outputs against overvoltage
±40V;
Availability of a ring-buffer for 2048 words DAC;
Availability of the function of program calibration of the board’s analog paths.
1.1.4 Characteristics and possibilities of digital inputs/outputs
24x I/O channels, analog m/s 8255;
Bus integrability;
Output voltage level 5V CMOS;
support of 16x and 32x bit counters;
ESD protection;