4451540 pages

AIC 324
Analog and Digital Input/ Output Module

Features
System controller interface – PC/104 (ISA 16 bit)
Pass through PCI bus
32 analog inputs; ADC 16 bit; 250 kHz; ±10 V … ±0.625 V
4 analog outputs; DAC 16 bit; 6 s; ±10 V … ±2.5V;
programmable calibration of analog circuits
24 discrete input/output channels; 3.3 V or 5 V CMOS;
support for 16 bit and 32 bit counters; electrostatic
protection of outputs
Analog/discrete isolation: 500 V
Supported operating systems: Fastwel DOS, Linux, QNX

Technical Specifications
Analog input
• 32 single wire or 16 differential voltage or
current input channels with group galvanic
isolation;
• Single wire, differential or mixed connection
of input signals;
• 16 bit digital analog converter;
• AD converter conversion time 4 μs/channel;
• Input voltage range ±10 V, 0–10 V;
• Input current range: 0–20 mA;
• Programmable input signal gains: 1,2,4,8,16;
• Input resistance: >1 MΩ (voltage); 249 Ω
(current);
• Programmable autocalibration of input signal
measurement ranges;
• Programmable auto scanning of inputs;
• FIFO buffer for 2,048 words;
• Individual overvoltage protection of channels
±40 V (DC).

Analog output
• 4 single wire voltage output channels with
group galvanic isolation;
• 16 bit digital analog converter;
• DAC establishment time 6 μs;
• Programmable selection of output signals
conversion range: ±10 V,±5 V,±2.5 V,
0–10 V, 0–5 V;
• Programmable autocalibration of output
signal conversion ranges;
• FIFO buffer for 2,048 words;
• Operation in signal generator mode;
• Individual protection of channels from static
electricity (ESD).

Discrete input/output
• 24 + 6 + 7 TTL/CMOS level compatible
input/output channels;
• 7 galvanically isolated channels;

http://www.fastwel.com

• Discrete inputs/outputs configuration
compatibility with 8255 (Mode 0 and mode
1 channel A);
• Group pull down or pull up of discrete
outputs;
• 8254 type timer available.

Storage temperature

Additional feature

Moisture proof coating

• Automatic installation of calibrated ADС and
DAC ranges when powered on;
• Built in current measurement transistors with
"floating" ground;
• 16/32 bit timer (8254 type), ADC start
enabled;
• External ADC bit synchronization capability;
• Synchronous operation of ADCs on several
boards capability;
• 16 digit timer for forming signals analogous
to 8254;
• 10 shared hardware interrupt lines;
• 2 shared DMA channel request lines.

System bus
• 8/16 bit ISA bus;
• PC104+ feedthrough connector.

Module power supply
• Direct current power supply voltage: +5V
±5%;
• Consumed power (without external devices):
450 mA;
• Insulation voltage: 1000 V.

Operating conditions
• Operating temperatures range: –40°С to
+85°С;
• Relative humidity: maximum 95% at +25°С;

• –55°С to +85°С.

MTBF
• at least 100,000 hrs.

Dimensions
• 93×96×23 mm.