Boards Home > ISA Bus Data Acquisition Boards-Multi-Function Boards A-8111
8-channel, 12-bit, 30KS/s Multi-Function board
» Features
■ 12-bit A/D converter
■ 30 KS/s sampling rate
■ 8 single-ended analog inputs
■ A/D Trigger modes : Software Trigger, Pacer Trigger
■ A/D data transfer modes : polling, interrupt
■ Software programmable gain : 1,2,4,8
■ Bipolar analog input
■ One 12-bit Analog output
■ 16 digital inputs & 16 digital outputs
» Functional Description
The A-8111 is 12-bit multifunction analog and digital I/O board for the PC/AT compatible computer.
The A-8111 provides 8-channel single-ended analog input, 1-channel analog output with 12-bit resolution, 16-channel digital input, 16-channel digital output.
The sampling rate of A-8111 is 30K samples/s.
It is completely compatible to PCL-711B and ACL-9111.
» Applications
● Laboratory automation
● Sensor interface
● Production test
» Specifications Analog input
● Number of channels : 8 single-ended
● Resolution : 12-bit
● Conversion rate : 30KS/s max
● Input impedance : 10 MΩ II 6pF
● Over voltage protection : ±35V
● Accuracy : 0.01% of reading
● Linearity : ±1 bit
● On chip sample & hold
● Zero drift : ±25ppm/ °C of F.S. max
● Input Range : ±5V, ±2.5V, ±1.25V, ±0.625V, ±0.3125V Analog Output
● Number of channels : 1 independent
● Type : 12-bit double buffered (AD-7948)
● Linearity : ±1/2-bit
● Output range : 0~5V, 0~10V
● Output driving : ±5 mA
● Settling time : 0.6μs to 0.01% for full scale step Digital I/O
● 16 TTL-level input
● Input low VIL = 0.8V max; IIL =-0.4 mA max
● Input high VIH = 2.0V min; IIH = 20μA max
● 16 TTL-level output
● Output low VOL = 0.5V max; @IOL =8 mA max
● Output high VOH = 2.7V min; @IOH =0.4 mA max Timer/Counter
● A/D pacer : cascaded 32-bit counter
● Programmable internal timer : 0.0047Hz~0.5MNz
● Interrupt channel : 2,3,4,5,6,7 software selectable
» General Specifications
● I/O connector : one of 37-pin D-Sub female
two of 20-pin ribbon male
● Power requirements :
Device
+5V
+12V
-12V
A-8111
320 mA
60 mA
30 mA
● Operating temperature : 0°C ~ 60°C
● Operating humidity : 0% ~ 90 % non-condensing
● Storage temperature : -20°C ~ 70°C
● Dimensions : 157 mm x 106 mm
